/* =============================================
   SKY GRUP - Design System & Global Styles
   Premium Hareketli Yapı Sistemleri
   ============================================= */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --color-navy: #0a1628;
  --color-navy-deep: #05101f;
  --color-navy-light: #132240;
  --color-navy-mid: #1a2d4a;
  --color-accent: #30a8f0;
  --color-accent-light: #6ec5ff;
  --color-accent-dark: #1a73e8;
  --color-sky-start: #1a73e8;
  --color-sky-end: #00b4d8;
  --color-white: #ffffff;
  --color-light: #f8f9fa;
  --color-light-alt: #eef1f5;
  --color-text: #2d3748;
  --color-text-light: #6b7a90;
  --color-text-lighter: #94a3b8;
  --color-border: #e2e8f0;
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Gradients */
  --gradient-cta: linear-gradient(135deg, #1a73e8, #30a8f0);
  --gradient-sky: linear-gradient(135deg, var(--color-sky-start), var(--color-sky-end));
  --gradient-accent: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  --gradient-navy: linear-gradient(180deg, var(--color-navy), var(--color-navy-light));
  --gradient-hero: linear-gradient(135deg, rgba(10, 22, 40, 0.92), rgba(26, 45, 74, 0.85));
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --fs-display: clamp(2.5rem, 5vw, 4.5rem);
  --fs-h1: clamp(2rem, 4vw, 3.5rem);
  --fs-h2: clamp(1.75rem, 3vw, 2.75rem);
  --fs-h3: clamp(1.25rem, 2vw, 1.75rem);
  --fs-h4: clamp(1.1rem, 1.5vw, 1.35rem);
  --fs-body: 1rem;
  --fs-body-lg: 1.125rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --container-max: 1280px;
  --container-narrow: 900px;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  --border-radius-xl: 28px;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 50px rgba(0,0,0,0.15);
  --shadow-accent: 0 4px 20px rgba(48, 168, 240, 0.3);
  --shadow-sky: 0 4px 20px rgba(26, 115, 232, 0.25);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-navy);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p { margin-bottom: var(--space-md); }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* ---------- Section ---------- */
.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

.section-alt {
  background-color: var(--color-light);
}

.section-dark {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section-label::before,
.section-label::after {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

.section-title {
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-size: var(--fs-body-lg);
  color: var(--color-text-light);
  line-height: 1.8;
}

.section-dark .section-subtitle {
  color: var(--color-text-lighter);
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-lg) 0;
  transition: all var(--transition-base);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-md) 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--color-white);
  letter-spacing: 0.05em;
  z-index: 1001;
}

.nav-logo .logo-accent {
  color: var(--color-accent);
}

.nav-logo-sub {
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--color-text-lighter);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-top: -2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
  background: rgba(255,255,255,0.1);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(10, 22, 40, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--border-radius);
  padding: var(--space-sm);
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xl);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(4px);
}

.nav-dropdown-menu .nav-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--fs-small);
  border-radius: 8px;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
  padding: var(--space-sm);
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
}

.btn:hover::before {
  transform: translateX(0);
}

.btn-primary {
  background: var(--gradient-cta);
  color: var(--color-white);
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(26, 115, 232, 0.45);
}

.btn-secondary {
  background: var(--gradient-sky);
  color: var(--color-white);
  box-shadow: var(--shadow-sky);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(26, 115, 232, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-navy);
  border: 2px solid var(--color-border);
}

.btn-outline-dark:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 24px;
  font-size: var(--fs-xs);
}

.btn-lg {
  padding: 18px 42px;
  font-size: var(--fs-body);
}

/* ---------- Hero Section ---------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-navy);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(48, 168, 240, 0.3);
  border-radius: 50%;
  animation: particleFloat 8s infinite ease-in-out;
}

@keyframes particleFloat {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding-top: var(--space-5xl);
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(48, 168, 240, 0.15);
  border: 1px solid rgba(48, 168, 240, 0.3);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--border-radius-full);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s ease both;
}

.hero-title {
  font-size: var(--fs-display);
  color: var(--color-white);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-title .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--fs-body-lg);
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  animation: fadeInUp 0.8s 0.4s ease both;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.6s ease both;
}

.hero-stats {
  display: flex;
  gap: var(--space-3xl);
  margin-top: var(--space-4xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255,255,255,0.1);
  animation: fadeInUp 0.8s 0.8s ease both;
}

.hero-stat-number {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: 800;
  color: var(--color-accent);
}

.hero-stat-label {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.6);
  margin-top: var(--space-xs);
}

/* Page Hero (Inner Pages) */
.page-hero {
  position: relative;
  padding: calc(var(--space-5xl) + 80px) 0 var(--space-4xl);
  background: var(--color-navy);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(48, 168, 240, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26, 115, 232, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero-content {
  position: relative;
  z-index: 2;
}

.page-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-lg);
}

.page-hero .breadcrumb a {
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.page-hero .breadcrumb a:hover {
  color: var(--color-accent);
}

.page-hero .breadcrumb .separator {
  color: rgba(255,255,255,0.3);
}

.page-hero h1 {
  color: var(--color-white);
  font-size: var(--fs-h1);
  margin-bottom: var(--space-md);
}

.page-hero p {
  color: rgba(255,255,255,0.6);
  font-size: var(--fs-body-lg);
  max-width: 600px;
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

/* Glass Card */
.glass-card {
  background: var(--gradient-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
}

.glass-card:hover {
  border-color: rgba(48, 168, 240, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

/* Product Card */
.product-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.product-card-image {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: var(--gradient-navy);
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
  transform: scale(1.08);
}

.product-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 22, 40, 0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--space-lg);
}

.product-card:hover .product-card-overlay {
  opacity: 1;
}

.product-card-body {
  padding: var(--space-xl);
}

.product-card-category {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.product-card-title {
  font-size: var(--fs-h4);
  margin-bottom: var(--space-sm);
}

.product-card-desc {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-sky-start);
  transition: all var(--transition-fast);
}

.product-card-link:hover {
  color: var(--color-accent);
  gap: var(--space-md);
}

/* Feature Card */
.feature-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  background: linear-gradient(135deg, rgba(26, 115, 232, 0.1), rgba(0, 180, 216, 0.1));
  color: var(--color-sky-start);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: var(--gradient-sky);
  color: var(--color-white);
  transform: scale(1.1);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: var(--fs-h4);
  margin-bottom: var(--space-md);
}

.feature-card p {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Category Card (for main page) */
.category-card {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  height: 380px;
  cursor: pointer;
  transition: all var(--transition-base);
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.category-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-slow);
}

.category-card:hover .category-card-bg {
  transform: scale(1.08);
}

.category-card-content {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 22, 40, 0.9) 0%, rgba(10, 22, 40, 0.3) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-2xl);
  transition: background var(--transition-base);
}

.category-card:hover .category-card-content {
  background: linear-gradient(to top, rgba(10, 22, 40, 0.95) 0%, rgba(10, 22, 40, 0.5) 60%, rgba(10,22,40,0.2) 100%);
}

.category-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius);
  background: rgba(48, 168, 240, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
  transition: all var(--transition-base);
}

.category-card:hover .category-card-icon {
  background: var(--color-accent);
  color: var(--color-navy);
}

.category-card h3 {
  color: var(--color-white);
  font-size: var(--fs-h3);
  margin-bottom: var(--space-sm);
}

.category-card p {
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-small);
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-base);
}

.category-card:hover p {
  opacity: 1;
  transform: translateY(0);
}

.category-card-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition-fast);
}

.category-card:hover .category-card-arrow {
  gap: var(--space-md);
}

/* ---------- Grid System ---------- */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
}

/* ---------- Stats Section ---------- */
.stats-section {
  padding: var(--space-3xl) 0;
  background: var(--color-navy);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.stat-item {
  padding: var(--space-xl);
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(255,255,255,0.1);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--fs-h1);
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.6);
}

/* ---------- Contact Form ---------- */
.contact-form {
  max-width: 600px;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text);
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-sky-start);
  box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.1);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* Dark form variant */
.form-dark .form-input,
.form-dark .form-textarea {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
  color: var(--color-white);
}

.form-dark .form-input::placeholder,
.form-dark .form-textarea::placeholder {
  color: rgba(255,255,255,0.4);
}

.form-dark .form-input:focus,
.form-dark .form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(48, 168, 240, 0.1);
}

.form-dark .form-label {
  color: rgba(255,255,255,0.8);
}

/* ---------- Accordion ---------- */
.accordion {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.accordion-item.active {
  border-color: var(--color-sky-start);
  box-shadow: var(--shadow-md);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--fs-body-lg);
  background: var(--color-white);
  transition: all var(--transition-fast);
}

.accordion-header:hover {
  background: var(--color-light);
}

.accordion-icon {
  width: 24px;
  height: 24px;
  transition: transform var(--transition-base);
  color: var(--color-text-light);
  flex-shrink: 0;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--color-sky-start);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion-content-inner {
  padding: 0 var(--space-xl) var(--space-xl);
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-md);
}

.gallery-item {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: all var(--transition-base);
}

.gallery-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

/* ---------- Product Detail ---------- */
.product-detail-section {
  padding: var(--space-4xl) 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.product-image-showcase {
  position: sticky;
  top: 120px;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  background: var(--gradient-navy);
  aspect-ratio: 4/3;
}

.product-image-showcase img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.product-feature-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-light);
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
}

.product-feature-item:hover {
  background: var(--color-white);
  box-shadow: var(--shadow-md);
}

.product-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--gradient-sky);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
}

.product-feature-icon svg {
  width: 20px;
  height: 20px;
}

.product-specs {
  margin-top: var(--space-2xl);
}

.spec-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--fs-small);
}

.spec-label {
  font-weight: 600;
  color: var(--color-text);
}

.spec-value {
  color: var(--color-text-light);
}

/* ---------- Regions ---------- */
.regions-section {
  position: relative;
}

.regions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(200px, 100%), 1fr));
  gap: var(--space-md);
}

.region-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
  cursor: pointer;
}

.region-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.region-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(48, 168, 240, 0.1), rgba(48, 168, 240, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.region-card-icon svg {
  width: 18px;
  height: 18px;
}

.region-card h4 {
  font-size: var(--fs-small);
  font-weight: 600;
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  padding-left: var(--space-3xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-2xl);
  padding-left: var(--space-xl);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-3xl) + 8px);
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-white);
  border: 3px solid var(--color-sky-start);
}

.timeline-item.active::before {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------- WhatsApp Float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-base);
  cursor: pointer;
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: var(--color-white);
}

@keyframes pulse {
  0% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
  100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.7);
  padding: var(--space-5xl) 0 var(--space-xl);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.footer-grid {
  display: grid;
  /* 5 sütun: marka + hızlı erişim + ürünler + bölgeler + iletişim */
  grid-template-columns: 1.6fr 1fr 1.1fr 1.2fr 1.4fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-4xl);
}

@media (max-width: 1200px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-2xl); }
}

@media (max-width: 820px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .nav-logo {
  margin-bottom: var(--space-lg);
}

.footer-brand p {
  font-size: var(--fs-small);
  line-height: 1.8;
  color: rgba(255,255,255,0.5);
}

.footer-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-body);
  color: var(--color-white);
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-md);
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.footer-links li {
  margin-bottom: var(--space-md);
}

.footer-links a {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.5);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: var(--space-sm);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: var(--fs-small);
}

.footer-contact-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.footer-contact-icon svg {
  width: 16px;
  height: 16px;
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.3);
}

/* ---------- Scroll Animations ---------- */
.animate-on-scroll {
  opacity: 0;
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
}

.animate-on-scroll[data-animation="fade-up"] {
  transform: translateY(40px);
}
.animate-on-scroll[data-animation="fade-up"].visible {
  transform: translateY(0);
}

.animate-on-scroll[data-animation="fade-left"] {
  transform: translateX(-40px);
}
.animate-on-scroll[data-animation="fade-left"].visible {
  transform: translateX(0);
}

.animate-on-scroll[data-animation="fade-right"] {
  transform: translateX(40px);
}
.animate-on-scroll[data-animation="fade-right"].visible {
  transform: translateX(0);
}

.animate-on-scroll[data-animation="scale-up"] {
  transform: scale(0.9);
}
.animate-on-scroll[data-animation="scale-up"].visible {
  transform: scale(1);
}

/* Stagger animation delay */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ---------- Keyframe Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from { transform: translateX(-40px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInRight {
  from { transform: translateX(40px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Counter animation class */
.count-up {
  display: inline-block;
}

/* ---------- Utility Classes ---------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-accent, .text-gold { color: var(--color-accent); }
.text-sky { color: var(--color-sky-start); }
.text-white { color: var(--color-white); }
.text-light { color: var(--color-text-light); }

.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mt-3 { margin-top: var(--space-2xl); }
.mt-4 { margin-top: var(--space-3xl); }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }
.mb-3 { margin-bottom: var(--space-2xl); }
.mb-4 { margin-bottom: var(--space-3xl); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-md); }
.gap-2 { gap: var(--space-xl); }
.gap-3 { gap: var(--space-2xl); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-detail-grid {
    grid-template-columns: 1fr;
  }

  .product-image-showcase {
    position: relative;
    top: 0;
  }
}

@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
    --space-5xl: 5rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    padding: var(--space-2xl);
    overflow-y: auto;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .nav-link {
    font-size: var(--fs-body-lg);
    padding: var(--space-md) var(--space-xl);
  }

  .mobile-menu-btn {
    display: flex;
  }

  .nav-dropdown-menu {
    position: relative;
    top: 0;
    left: 0;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    padding-left: var(--space-xl);
    min-width: auto;
  }

  /* minmax(0, 1fr): düz "1fr" = minmax(auto, 1fr) demek ve sütun, içeriğin
     min-content genişliğinin altına inemediği için sayfa yatay taşıyordu
     (ör. urunlerimiz.html'de ürün kartları 360px ekranda 6px taşırdı). */
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .grid-4 {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-section {
    min-height: auto;
    padding: calc(var(--space-5xl) + 40px) 0 var(--space-4xl);
  }

  .hero-content {
    padding-top: var(--space-3xl);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-xl);
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .stat-item:not(:last-child)::after {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .product-features {
    grid-template-columns: 1fr;
  }

  .regions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .category-card {
    height: 300px;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .regions-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Lightbox Modal ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  border: none;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  color: var(--color-white);
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.2);
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--border-radius);
}

/* ---------- Loading/Skeleton ---------- */
.skeleton {
  background: linear-gradient(90deg, var(--color-light) 25%, var(--color-light-alt) 50%, var(--color-light) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--border-radius);
}

/* ---------- Scroll Progress Bar ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-accent);
  z-index: 1001;
  transition: width 0.1s linear;
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  z-index: 998;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-navy);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-accent);
  color: var(--color-navy);
  transform: translateY(-3px);
}

/* =============================================
   BÖLÜM 2 — SAYFA BİLEŞENLERİ
   HTML'de kullanılan sınıfların tam karşılıkları.
   Yukarıdaki tasarım sistemi değişkenlerini kullanır.
   ============================================= */

/* ---------- Scroll Progress Bar ---------- */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gradient-accent);
  z-index: 1100;
  transition: width 0.1s linear;
  box-shadow: 0 0 12px rgba(48, 168, 240, 0.6);
}

/* ---------- Navbar / Logo ---------- */
.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  z-index: 1001;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.6rem;
  line-height: 1;
  letter-spacing: 0.04em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-sub {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.6rem;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--color-white);
}

/* ---------- Dropdown ---------- */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.dropdown-toggle::after {
  content: '';
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--transition-fast);
  opacity: 0.7;
}

.dropdown:hover .dropdown-toggle::after {
  transform: rotate(225deg) translateY(-2px);
}

.dropdown-menu,
.dropdown-content {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(10, 22, 40, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: var(--space-sm);
  min-width: 230px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xl);
  z-index: 1002;
}

/* Görünmez köprü — imleç menüye inerken kapanmasın */
.dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 14px;
}

.dropdown:hover .dropdown-menu,
.dropdown:hover .dropdown-content,
.dropdown.open .dropdown-menu,
.dropdown.open .dropdown-content {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu li,
.dropdown-content li {
  list-style: none;
}

.dropdown-menu a,
.dropdown-content a {
  display: block;
  padding: 10px var(--space-md);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  border-radius: 8px;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.dropdown-menu a:hover,
.dropdown-content a:hover {
  background: rgba(48, 168, 240, 0.15);
  color: var(--color-accent);
}

/* ---------- Hero ---------- */
.hero-container {
  position: relative;
  z-index: 2;
  padding-top: 120px;
  padding-bottom: var(--space-3xl);
  width: 100%;
}

.hero-label-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(48, 168, 240, 0.12);
  border: 1px solid rgba(48, 168, 240, 0.35);
  padding: 8px var(--space-lg);
  border-radius: var(--border-radius-full);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xl);
}

.hero-label-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent);
}

.hero-content {
  padding-top: 0;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.hero-stat-text {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.02em;
}

.hero-subtitle {
  font-size: var(--fs-body-lg);
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.8;
  max-width: 760px;
}

/* ---------- Ürün Kategorileri ---------- */
.product-categories-section {
  background: var(--color-light);
}

.category-grid {
  gap: var(--space-xl);
}

/* Kartlar düz yapıda (ikon + başlık + açıklama + ok) kullanılıyor */
.category-card {
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-2xl);
  background: linear-gradient(145deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-xl);
  min-height: 280px;
}

.category-card::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(48, 168, 240, 0.14) 0%, transparent 70%);
  transition: all var(--transition-slow);
}

.category-card:hover::before {
  transform: scale(1.4);
}

.category-card:hover {
  border-color: rgba(48, 168, 240, 0.4);
}

.category-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius);
  background: rgba(48, 168, 240, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
  transition: all var(--transition-spring);
  position: relative;
  z-index: 1;
}

.category-icon svg {
  width: 28px;
  height: 28px;
}

.category-card:hover .category-icon {
  background: var(--gradient-accent);
  color: var(--color-navy);
  transform: translateY(-4px) rotate(-6deg);
}

.category-title {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  font-size: var(--fs-h3);
  margin-bottom: var(--space-sm);
}

.category-desc {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--fs-body);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.category-arrow {
  position: relative;
  z-index: 1;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(48, 168, 240, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-top: auto;
  transition: all var(--transition-base);
}

.category-arrow svg {
  width: 18px;
  height: 18px;
}

.category-card:hover .category-arrow {
  background: var(--gradient-accent);
  color: var(--color-navy);
  border-color: transparent;
  transform: translateX(6px);
}

/* ---------- Hakkımızda ---------- */
.about-section {
  background: var(--color-white);
}

.about-content p,
.about-text p {
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  line-height: 1.9;
}

.about-visual {
  position: relative;
}

.about-visual::before {
  content: '';
  position: absolute;
  inset: -30px;
  background: linear-gradient(145deg, var(--color-navy), var(--color-navy-mid));
  border-radius: var(--border-radius-xl);
  z-index: 0;
}

.about-glass {
  position: relative;
  z-index: 1;
}

.about-glass h3 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.about-glass p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.glass-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius);
  background: rgba(48, 168, 240, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.glass-icon svg {
  width: 30px;
  height: 30px;
}

.about-products {
  display: grid;
  gap: var(--space-md);
}

/* ---------- Avantajlar ---------- */
.features-section {
  background: var(--color-light);
}

.features-grid {
  gap: var(--space-xl);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(48, 168, 240, 0.4);
}

.feature-title {
  font-size: var(--fs-h4);
  margin-bottom: var(--space-sm);
}

.feature-desc {
  color: var(--color-text-light);
  font-size: var(--fs-small);
  line-height: 1.8;
  margin-bottom: 0;
}

/* ---------- Neden Biz ---------- */
.why-section {
  background: var(--color-navy);
  position: relative;
  overflow: hidden;
}

.why-section::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(26, 115, 232, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.why-content,
.why-visual {
  position: relative;
  z-index: 1;
}

.why-list {
  display: grid;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.why-list li {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--gradient-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 500;
  transition: all var(--transition-base);
}

.why-list li:hover {
  border-color: rgba(48, 168, 240, 0.45);
  transform: translateX(8px);
  background: rgba(48, 168, 240, 0.08);
}

.why-badge {
  font-size: 1.1rem;
  line-height: 1;
  flex-shrink: 0;
}

.why-visual .glass-card h3 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.why-visual .glass-card p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

/* ---------- Hizmet Bölgeleri ---------- */
.regions-section {
  background: var(--color-white);
}

.region-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.region-card span {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--fs-small);
  color: var(--color-navy);
}

/* ---------- İletişim ---------- */
.contact-section {
  background: var(--color-light);
}

.contact-form-container .contact-form {
  max-width: 100%;
}

.contact-form-container p {
  color: var(--color-text-light);
}

.contact-form label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.contact-info-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-info-card {
  background: linear-gradient(145deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  height: 100%;
}

.contact-info-card h3 {
  color: var(--color-white);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.contact-info-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.contact-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--border-radius);
  background: rgba(48, 168, 240, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
}

.contact-details h4 {
  color: var(--color-white);
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.contact-details p,
.contact-details a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-small);
  line-height: 1.7;
  margin-bottom: 0;
}

.contact-details a:hover {
  color: var(--color-accent);
}

.contact-info,
.contact-info-item + .contact-info-item {
  position: relative;
}

/* Harita placeholder */
.map-placeholder {
  background: linear-gradient(145deg, var(--color-navy), var(--color-navy-mid));
  border-radius: var(--border-radius-lg);
  padding: var(--space-4xl) var(--space-xl);
  text-align: center;
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  min-height: 400px;
}

.map-placeholder svg {
  width: 48px;
  height: 48px;
  stroke: var(--color-accent);
}

.map-placeholder h3 {
  color: var(--color-white);
  margin: 0;
}

/* ---------- Footer ---------- */
.footer-col .footer-logo {
  margin-bottom: var(--space-lg);
}

.footer-desc {
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--fs-small);
  line-height: 1.8;
  max-width: 300px;
}

.footer-contact {
  display: grid;
  gap: var(--space-md);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--fs-small);
  line-height: 1.7;
}

.footer-contact li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 4px;
  stroke: var(--color-accent);
}

.footer-contact a:hover {
  color: var(--color-accent);
}

.social-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition-base);
}

.social-links a:hover {
  background: var(--gradient-accent);
  color: var(--color-navy);
  border-color: transparent;
  transform: translateY(-3px);
}

.social-links svg {
  width: 17px;
  height: 17px;
}

/* ---------- Ürünler Sayfası ---------- */
.category-section {
  padding: var(--space-4xl) 0;
}

.category-section:nth-of-type(even) {
  background: var(--color-light);
}

.category-nav {
  position: sticky;
  top: 72px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 99;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.category-nav-list {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.category-nav-link {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--fs-small);
  color: var(--color-navy);
  padding: 9px 20px;
  border-radius: var(--border-radius-full);
  background: var(--color-light);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.category-nav-link:hover,
.category-nav-link.active {
  background: var(--gradient-sky);
  color: var(--color-white);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sky);
}

.category-intro {
  max-width: 820px;
  margin: 0 auto var(--space-3xl);
  text-align: center;
  font-size: var(--fs-body-lg);
  color: var(--color-text-light);
  line-height: 1.9;
}

.category-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.product-image-placeholder {
  height: 250px;
  background: linear-gradient(145deg, var(--color-navy), var(--color-navy-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.35);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.product-image-placeholder svg {
  width: 64px;
  height: 64px;
}

.product-content {
  padding: var(--space-2xl);
}

.product-title {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-md);
}

.product-list {
  display: grid;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.product-list li {
  position: relative;
  padding-left: var(--space-lg);
  color: var(--color-text-light);
  font-size: var(--fs-small);
  line-height: 1.8;
}

.product-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ---------- CTA ---------- */
.cta-section {
  background: var(--gradient-sky);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-4xl) 0;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-xl);
}

.btn-cta {
  display: inline-block;
  background: var(--color-white);
  color: var(--color-sky-start);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 16px 36px;
  border-radius: var(--border-radius-full);
  transition: all var(--transition-base);
}

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
}

/* ---------- Galeri ---------- */
.gallery-section {
  background: var(--color-light);
}

.gallery-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-3xl);
}

.gallery-filters .btn {
  border-radius: var(--border-radius-full);
  padding: 10px 24px;
  background: var(--color-white);
  color: var(--color-navy);
  border: 1px solid var(--color-border);
}

.gallery-filters .btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.gallery-filters .btn.active {
  background: var(--gradient-accent);
  color: var(--color-navy);
  border-color: transparent;
  box-shadow: var(--shadow-accent);
}

.gallery-item.hidden {
  display: none;
}

.gallery-label {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--space-md);
  background: linear-gradient(to top, rgba(10, 22, 40, 0.92), transparent);
  color: var(--color-white);
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: var(--fs-small);
  transform: translateY(100%);
  transition: transform var(--transition-base);
  z-index: 2;
}

.gallery-item:hover .gallery-label {
  transform: translateY(0);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.zoom-icon {
  width: 42px;
  height: 42px;
  padding: 11px;
  color: var(--color-navy);
  background: var(--gradient-accent);
  border-radius: 50%;
}

/* ---------- Referanslar ---------- */
.section-dark {
  background: linear-gradient(145deg, var(--color-navy), var(--color-navy-mid));
  color: var(--color-white);
  padding: var(--space-4xl) 0;
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- Rozet / İkon Yardımcıları ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px var(--space-lg);
  border-radius: var(--border-radius-full);
  background: rgba(48, 168, 240, 0.12);
  border: 1px solid rgba(48, 168, 240, 0.3);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* ---------- Yardımcı Sınıflar ---------- */
.align-center { align-items: center; }
.center       { text-align: center; }
.w-100        { width: 100%; }
.pt-0         { padding-top: 0 !important; }

.bg-light { background: var(--color-light); }

.bg-dark  { background: var(--color-navy); }

.bg-dark h1,
.bg-dark h2,
.bg-dark h3,
.bg-dark h4 {
  color: var(--color-white);
}

.bg-dark p {
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- Responsive (Bölüm 2) ---------- */
@media (max-width: 1024px) {
  .category-card { min-height: 250px; }
  .hero-container { padding-top: 110px; }
}

@media (max-width: 768px) {
  /* Mobil menü */
  .nav-links {
    position: fixed;
    top: 0;
    /* left:auto şart — üstteki medya sorgusu left:0 veriyor ve left+right+width
       birlikteyken left kazanıp paneli ekran içinde bırakıyor. */
    left: auto;
    right: 0;
    bottom: auto;
    width: min(320px, 85vw);
    height: 100vh;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: var(--space-xs);
    padding: 100px var(--space-lg) var(--space-2xl);
    background: rgba(10, 22, 40, 0.99);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    z-index: 1000;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .nav-links > li {
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: var(--space-md);
    font-size: var(--fs-body);
  }

  .mobile-menu-btn {
    display: flex;
  }

  /* Mobilde dropdown akordeon olarak açılır */
  .dropdown::after { display: none; }

  /* .nav-link{display:block} okun hizasını bozuyor — flex'i geri ver */
  .dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .dropdown-toggle::after {
    margin-right: 4px;
  }

  .dropdown-menu,
  .dropdown-content {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background: rgba(255, 255, 255, 0.04);
    border: none;
    box-shadow: none;
    min-width: 0;
    max-height: 0;
    overflow: hidden;
    padding: 0 0 0 var(--space-md);
    transition: max-height var(--transition-base), padding var(--transition-base);
  }

  .dropdown.open .dropdown-menu,
  .dropdown.open .dropdown-content {
    max-height: 320px;
    padding: var(--space-sm) 0 var(--space-sm) var(--space-md);
    transform: none;
  }

  .dropdown:hover .dropdown-menu,
  .dropdown:hover .dropdown-content {
    transform: none;
  }

  .dropdown.open .dropdown-toggle::after {
    transform: rotate(225deg) translateY(-2px);
  }

  /* Bölüm düzenleri */
  .hero-container { padding-top: 100px; }

  .category-card { min-height: 0; padding: var(--space-xl); }

  .about-visual::before { inset: -14px; }

  .category-nav { top: 62px; }

  .category-nav-list {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: var(--space-sm);
    -webkit-overflow-scrolling: touch;
  }

  .category-nav-link { white-space: nowrap; }

  .contact-info-card { padding: var(--space-xl); }

  .footer-desc { max-width: none; }
}

@media (max-width: 480px) {
  .logo-text, .logo-sub { font-size: 1.35rem; }
  .hero-label-badge { font-size: 10px; }
  .why-list li { padding: var(--space-md); }
  .product-content { padding: var(--space-lg); }
}

/* ---------- Galeri Lightbox Sahnesi ---------- */
.lightbox-stage {
  position: relative;
  width: min(90vw, 820px);
  height: min(75vh, 620px);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  animation: lightboxIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes lightboxIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

.lightbox-stage svg {
  width: 110px;
  height: 110px;
  color: rgba(255, 255, 255, 0.85);
}

.lightbox-caption {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--color-white);
  text-align: center;
  padding: 0 var(--space-xl);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

@media (max-width: 480px) {
  .lightbox-stage svg { width: 72px; height: 72px; }
}

/* ---------- Düzeltme: kategori açıklaması her zaman görünür ---------- */
/* Eski `.category-card p { opacity: 0 }` kuralı hover'da açılmak üzere
   yazılmıştı; düz kart yapısında açıklama sürekli görünmeli. */
.category-card p.category-desc,
.category-card .category-desc {
  opacity: 1;
  transform: none;
}

/* ---------- Ürün Teknik Detay Akordeonu ---------- */
.product-accordion {
  margin: 0 0 var(--space-lg);
}

.product-accordion .accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-bottom: 0;
}

.product-accordion .accordion-header {
  padding: var(--space-md) var(--space-lg);
  font-size: var(--fs-small);
  background: var(--color-light);
  color: var(--color-navy);
}

.product-accordion .accordion-icon {
  width: 18px;
  height: 18px;
}

.product-accordion .accordion-content-inner {
  padding: var(--space-lg);
}

.spec-group-title {
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin: var(--space-lg) 0 var(--space-sm);
}

.spec-group-title:first-child {
  margin-top: 0;
}

.spec-list {
  display: grid;
  gap: 6px;
}

.spec-list li {
  position: relative;
  padding-left: var(--space-lg);
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--color-text-light);
}

.spec-list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-sky-start);
}

/* ---------- Ortalanmış iç sayfa hero'ları ---------- */
/* .page-hero kendi dikey boşluğunu veriyor; hero-container'ınki üstüne binmesin */
.page-hero .hero-container {
  padding-top: 0;
  padding-bottom: 0;
}

/* max-width'li alt başlık ortalanmış hero'da da ortada dursun */
.hero-container.text-center .hero-subtitle,
.page-hero.text-center .hero-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* breadcrumb flex olduğu için text-align'a uymuyor */
.hero-container.text-center .breadcrumb,
.page-hero.text-center .breadcrumb {
  justify-content: center;
}

/* =============================================
   BÖLÜM 3 — HERO SLAYT & GERÇEK GÖRSELLER
   ============================================= */

/* ---------- Hero Slider ---------- */
.hero-slider {
  position: relative;
  /* içerik + istatistik şeridi kısa ekranlarda da sığsın */
  min-height: 780px;
  min-height: max(100vh, 780px);
  min-height: max(100svh, 780px);
  overflow: hidden;
  background: var(--color-navy);
  display: flex;
  align-items: center;
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease, visibility 1s ease;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
}

/* Fotoğraf katmanı — yavaş Ken Burns yakınlaşması */
.hero-slide-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  transition: transform 8s ease-out;
  will-change: transform;
}

.hero-slide.active .hero-slide-img {
  transform: scale(1);
}

/* Metnin okunması için lacivert degrade örtü */
.hero-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 16, 31, 0.92) 0%, rgba(5, 16, 31, 0.72) 42%, rgba(5, 16, 31, 0.15) 75%, rgba(5, 16, 31, 0.35) 100%),
    linear-gradient(180deg, rgba(5, 16, 31, 0.55) 0%, transparent 30%, rgba(5, 16, 31, 0.6) 100%);
}

.hero-slider .container {
  position: relative;
  z-index: 3;
  width: 100%;
  padding-top: 120px;
  /* istatistik şeridi (128px) + nokta/sayaç payı — içerik altına girmesin */
  padding-bottom: 210px;
}

.hero-slide-content {
  max-width: 720px;
}

/* Aktif slaytın metni sırayla belirir */
.hero-slide-content > * {
  opacity: 0;
  transform: translateY(24px);
}

.hero-slide.active .hero-slide-content > * {
  animation: heroTextIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-slide.active .hero-slide-content > *:nth-child(1) { animation-delay: 0.25s; }
.hero-slide.active .hero-slide-content > *:nth-child(2) { animation-delay: 0.4s; }
.hero-slide.active .hero-slide-content > *:nth-child(3) { animation-delay: 0.55s; }
.hero-slide.active .hero-slide-content > *:nth-child(4) { animation-delay: 0.7s; }

@keyframes heroTextIn {
  to { opacity: 1; transform: translateY(0); }
}

.hero-slide-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(48, 168, 240, 0.16);
  border: 1px solid rgba(48, 168, 240, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 8px var(--space-lg);
  border-radius: var(--border-radius-full);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-accent-light);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-lg);
}

.hero-slide-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
}

.hero-slide-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.hero-slide-title .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-slide-desc {
  font-size: var(--fs-body-lg);
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: var(--space-xl);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.4);
}

.hero-slide-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ---------- Slider kontrolleri ---------- */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(5, 16, 31, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

.hero-arrow:hover {
  background: var(--color-accent);
  border-color: transparent;
  transform: translateY(-50%) scale(1.08);
}

.hero-arrow svg { width: 22px; height: 22px; }
.hero-arrow-prev { left: 28px; }
.hero-arrow-next { right: 28px; }

.hero-dots {
  position: absolute;
  /* istatistik şeridi 128px — noktalar onun üstünde kalmalı */
  bottom: 152px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: var(--space-md);
}

.hero-dot {
  width: 40px;
  height: 4px;
  border-radius: 2px;
  border: none;
  padding: 0;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  overflow: hidden;
  position: relative;
  transition: background var(--transition-base);
}

.hero-dot:hover { background: rgba(255, 255, 255, 0.55); }

/* Aktif noktada süre göstergesi dolar */
.hero-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  width: 0;
  background: var(--color-accent);
}

.hero-dot.active::after {
  animation: dotProgress var(--slide-duration, 6s) linear forwards;
}

@keyframes dotProgress {
  from { width: 0; }
  to   { width: 100%; }
}

/* Slayt sayacı */
.hero-counter {
  position: absolute;
  bottom: 146px;
  right: 40px;
  z-index: 5;
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.1em;
}

.hero-counter .current {
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--color-white);
}

/* Hero altındaki istatistik şeridi */
.hero-stats-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 4;
  background: rgba(5, 16, 31, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stats-bar .container {
  padding: var(--space-lg) 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.hero-stats-bar .hero-stat-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  justify-content: center;
}

.hero-stats-bar .hero-stat-number {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 800;
  color: var(--color-accent-light);
}

.hero-stats-bar .hero-stat-text {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- Fotoğraflı kategori kartları ---------- */
.category-card {
  padding: 0;
  min-height: 0;
  border: none;
}

.category-card::before { display: none; }

.category-card-media {
  position: relative;
  height: 340px;
  overflow: hidden;
}

.category-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.category-card:hover .category-card-media img {
  transform: scale(1.07);
}

.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(5, 16, 31, 0.95) 0%,
    rgba(5, 16, 31, 0.6) 45%,
    rgba(5, 16, 31, 0.1) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-xl);
  transition: background var(--transition-base);
}

.category-card:hover .category-card-overlay {
  background: linear-gradient(to top,
    rgba(5, 16, 31, 0.97) 0%,
    rgba(5, 16, 31, 0.75) 55%,
    rgba(26, 115, 232, 0.25) 100%);
}

.category-card .category-icon {
  position: absolute;
  top: var(--space-xl);
  left: var(--space-xl);
  width: 48px;
  height: 48px;
  margin-bottom: 0;
  background: rgba(5, 16, 31, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--color-accent-light);
}

.category-card .category-icon svg { width: 22px; height: 22px; }

.category-card .category-title { margin-bottom: var(--space-xs); }
.category-card .category-desc  { margin-bottom: var(--space-md); }

.category-card .category-arrow {
  width: 38px;
  height: 38px;
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--color-white);
}

/* ---------- Fotoğraflı ürün kartları ---------- */
.product-image-placeholder {
  position: relative;
  padding: 0;
  overflow: hidden;
}

.product-image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-image-placeholder img {
  transform: scale(1.06);
}

/* ---------- Fotoğraflı galeri ---------- */
.gallery-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.lightbox-stage.has-photo {
  background: transparent !important;
  box-shadow: none;
}

.lightbox-stage img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--border-radius);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}

/* ---------- Referans logoları şeridi ---------- */
.refs-section {
  background: var(--color-white);
  padding: var(--space-4xl) 0;
  overflow: hidden;
}

.refs-marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.refs-track {
  display: flex;
  align-items: center;
  gap: var(--space-4xl);
  width: max-content;
  animation: refsScroll 46s linear infinite;
}

.refs-marquee:hover .refs-track {
  animation-play-state: paused;
}

@keyframes refsScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.refs-track img {
  height: 54px;
  width: auto;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.55;
  transition: all var(--transition-base);
}

.refs-track img:hover {
  filter: grayscale(0);
  opacity: 1;
  transform: scale(1.08);
}

/* ---------- Navbar logosu (görsel) ---------- */
.logo img {
  height: 44px;
  width: auto;
  transition: height var(--transition-base);
}

.navbar.scrolled .logo img { height: 38px; }

/* ---------- Responsive (Bölüm 3) ---------- */
@media (max-width: 1024px) {
  .hero-arrow { width: 44px; height: 44px; }
  .hero-arrow-prev { left: 14px; }
  .hero-arrow-next { right: 14px; }
  .category-card-media { height: 300px; }
}

@media (max-width: 768px) {
  .hero-slider { min-height: max(100svh, 660px); }

  .hero-slider .container {
    padding-top: 110px;
    padding-bottom: 150px;
  }

  /* Mobilde metin ortada dursun diye örtüyü dikey degradeye çevir */
  .hero-slide::after {
    background: linear-gradient(180deg,
      rgba(5, 16, 31, 0.75) 0%,
      rgba(5, 16, 31, 0.7) 45%,
      rgba(5, 16, 31, 0.92) 100%);
  }

  .hero-slide-desc { font-size: var(--fs-body); }

  .hero-arrow { display: none; }

  .hero-counter { display: none; }

  .hero-dots { bottom: 104px; }

  /* Mobilde şerit 3 satıra yayılıp içeriği örtmesin — kompakt 3 sütun */
  .hero-stats-bar .container {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    padding: var(--space-md) 0;
  }

  .hero-stats-bar .hero-stat-item {
    flex-direction: column;
    align-items: center;
    gap: 2px;
    text-align: center;
  }

  .hero-stats-bar .hero-stat-number { font-size: var(--fs-h4); }

  .hero-stats-bar .hero-stat-text {
    font-size: 11px;
    line-height: 1.3;
  }

  .category-card-media { height: 260px; }

  .refs-track { gap: var(--space-2xl); animation-duration: 30s; }
  .refs-track img { height: 40px; }

  .logo img { height: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide-img { transition: none; transform: none; }
  .refs-track { animation: none; }
  .hero-dot.active::after { animation: none; width: 100%; }
}

/* ---------- Logo: yuvarlak amblem + yazı ---------- */
.logo {
  gap: var(--space-md);
  align-items: center;
}

/* logo.png beyaz zeminli; üst kare bölgeyi alıp daire olarak kırpıyoruz */
.logo-mark {
  width: 46px;
  height: 46px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.28);
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.logo:hover .logo-mark {
  border-color: var(--color-accent);
  transform: scale(1.05);
}

.navbar.scrolled .logo-mark { width: 40px; height: 40px; }

.logo-word {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  line-height: 1;
}

.footer-logo .logo-mark { width: 42px; height: 42px; }

@media (max-width: 768px) {
  .logo-mark { width: 38px; height: 38px; }
  .navbar.scrolled .logo-mark { width: 34px; height: 34px; }
  .logo { gap: var(--space-sm); }
}

@media (max-width: 480px) {
  .logo-mark { width: 34px; height: 34px; }
}

/* ---------- Düzeltme: fotoğraflı kategori kartı yerleşimi ---------- */
/* Bölüm 2'deki düz kart kuralları (align-items:flex-start, arrow'da
   margin-top:auto, desc'te flex-grow) fotoğraflı yapıda yerleşimi bozuyordu. */
.category-card {
  align-items: stretch;
}

.category-card-media {
  width: 100%;
  display: block;
}

.category-card-media img {
  display: block;
}

/* Başlık, açıklama ve ok birlikte alt kısımda kalsın */
.category-card .category-desc {
  flex-grow: 0;
}

.category-card .category-arrow {
  margin-top: 0;
}

/* ---------- Düzeltme: yatay animasyon taşması ---------- */
/* fade-left/right başlangıçta ±40px kayıyor ve dar ekranlarda belgeyi
   yatay olarak taşırıyordu. Tek sütuna düşen ekranlarda dikey kaydırma
   aynı etkiyi taşma yaratmadan veriyor. */
@media (max-width: 1024px) {
  .animate-on-scroll[data-animation="fade-left"],
  .animate-on-scroll[data-animation="fade-right"] {
    transform: translateY(40px);
  }

  .animate-on-scroll[data-animation="fade-left"].visible,
  .animate-on-scroll[data-animation="fade-right"].visible {
    transform: translateY(0);
  }
}

/* =============================================
   BÖLÜM 4 — ANASAYFA ZENGİNLEŞTİRME
   Güven şeridi · Ürün vitrini · Süreç · Teknik band
   Proje vitrini · SSS
   ============================================= */

/* ---------- Bölüm ritmi (daha cömert boşluk = premium) ---------- */
.section { padding: var(--space-5xl) 0; }

@media (max-width: 768px) {
  .section { padding: var(--space-4xl) 0; }
}

/* ---------- 1) Güven Şeridi ---------- */
.trust-bar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3xl) 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding-right: var(--space-lg);
  position: relative;
}

.trust-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--color-border);
}

.trust-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(48, 168, 240, 0.12), rgba(26, 115, 232, 0.06));
  border: 1px solid rgba(48, 168, 240, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-dark);
  flex-shrink: 0;
}

.trust-icon svg { width: 22px; height: 22px; }

.trust-title {
  font-family: var(--font-heading);
  font-size: var(--fs-body);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 2px;
}

.trust-text {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ---------- 2) Amiral Ürün Vitrini ---------- */
.showcase {
  background: var(--color-white);
  overflow: hidden;
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.showcase-media {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: 0 30px 70px rgba(10, 22, 40, 0.18);
}

.showcase-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.showcase-media:hover img { transform: scale(1.05); }

/* Fotoğrafın üstüne taşan rozet kartı */
.showcase-badge {
  position: absolute;
  left: var(--space-xl);
  bottom: var(--space-xl);
  background: rgba(5, 16, 31, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg) var(--space-xl);
  color: var(--color-white);
}

.showcase-badge-value {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.showcase-badge-label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
}

.showcase-body p {
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: var(--space-lg);
}

.showcase-list {
  display: grid;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.showcase-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  font-size: var(--fs-small);
  color: var(--color-text);
  line-height: 1.7;
}

.showcase-list li svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent-dark);
}

/* ---------- 3) Süreç Şeridi ---------- */
.process-section { background: var(--color-light); }

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
  position: relative;
}

/* Adımları birleştiren yatay çizgi */
.process-grid::before {
  content: '';
  position: absolute;
  top: 34px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg,
    transparent,
    rgba(48, 168, 240, 0.35) 12%,
    rgba(48, 168, 240, 0.35) 88%,
    transparent);
}

.process-step {
  position: relative;
  text-align: center;
  padding: 0 var(--space-sm);
}

.process-num {
  width: 68px;
  height: 68px;
  margin: 0 auto var(--space-lg);
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid rgba(48, 168, 240, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--color-accent-dark);
  position: relative;
  z-index: 1;
  transition: all var(--transition-spring);
  box-shadow: 0 4px 16px rgba(10, 22, 40, 0.06);
}

.process-step:hover .process-num {
  background: var(--gradient-cta);
  border-color: transparent;
  color: var(--color-white);
  transform: translateY(-6px);
  box-shadow: 0 12px 28px rgba(26, 115, 232, 0.3);
}

.process-title {
  font-family: var(--font-heading);
  font-size: var(--fs-body-lg);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.process-text {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ---------- 4) Teknik Kalite Bandı ---------- */
.tech-band {
  position: relative;
  padding: var(--space-5xl) 0;
  background-image: url('../assets/images/oval-tente/otomatik-oval-tente-modelleri-sky-grup-05.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow: hidden;
}

.tech-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(5, 16, 31, 0.86) 0%,
    rgba(5, 16, 31, 0.62) 48%,
    rgba(5, 16, 31, 0.88) 100%);
}

.tech-band .container { position: relative; z-index: 2; }

.tech-band .section-title { color: var(--color-white); }

.tech-band .section-lead {
  color: rgba(255, 255, 255, 0.75);
  max-width: 760px;
  margin: 0 auto;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
}

.tech-chip {
  background: var(--gradient-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.tech-chip:hover {
  border-color: rgba(48, 168, 240, 0.5);
  transform: translateY(-6px);
  background: rgba(48, 168, 240, 0.1);
}

.tech-chip-value {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--color-accent-light);
  margin-bottom: var(--space-xs);
  line-height: 1.2;
}

.tech-chip-label {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

/* ---------- 5) Öne Çıkan Projeler ---------- */
.projects-section { background: var(--color-white); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.project-card {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  display: block;
  box-shadow: 0 16px 40px rgba(10, 22, 40, 0.12);
  transition: all var(--transition-base);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 60px rgba(10, 22, 40, 0.22);
}

.project-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.project-card:hover img { transform: scale(1.07); }

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(5, 16, 31, 0.94) 0%,
    rgba(5, 16, 31, 0.45) 42%,
    rgba(5, 16, 31, 0.05) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-xl);
  transition: background var(--transition-base);
}

.project-card:hover .project-overlay {
  background: linear-gradient(to top,
    rgba(5, 16, 31, 0.96) 0%,
    rgba(26, 115, 232, 0.35) 70%,
    rgba(5, 16, 31, 0.1) 100%);
}

.project-tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 5px 12px;
  border-radius: var(--border-radius-full);
  background: rgba(48, 168, 240, 0.22);
  border: 1px solid rgba(48, 168, 240, 0.45);
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-md);
}

.project-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.72);
}

.project-meta svg { width: 15px; height: 15px; color: var(--color-accent-light); }

/* ---------- 6) SSS ---------- */
.faq-section { background: var(--color-light); }

.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}

.faq-section .accordion-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
}

.faq-section .accordion-item.active {
  border-color: rgba(48, 168, 240, 0.5);
  box-shadow: 0 10px 30px rgba(10, 22, 40, 0.08);
}

.faq-section .accordion-header {
  background: transparent;
  font-size: var(--fs-body-lg);
  color: var(--color-navy);
  gap: var(--space-lg);
}

.faq-section .accordion-header:hover { background: transparent; color: var(--color-accent-dark); }

.faq-section .accordion-icon { color: var(--color-accent-dark); }

.faq-section .accordion-content-inner {
  padding: 0 var(--space-xl) var(--space-xl);
  color: var(--color-text-light);
  line-height: 1.9;
}

/* Bölüm başlığı altı açıklama */
.section-lead {
  font-size: var(--fs-body-lg);
  color: var(--color-text-light);
  line-height: 1.9;
  max-width: 720px;
  margin-top: var(--space-md);
}

.text-center .section-lead { margin-left: auto; margin-right: auto; }

/* ---------- Responsive (Bölüm 4) ---------- */
@media (max-width: 1024px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-2xl); }
  .trust-item:nth-child(2)::after { display: none; }

  .showcase-grid { grid-template-columns: 1fr; gap: var(--space-2xl); }

  .process-grid { grid-template-columns: repeat(3, 1fr); row-gap: var(--space-2xl); }
  .process-grid::before { display: none; }

  .tech-grid { grid-template-columns: repeat(3, 1fr); }

  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid > :last-child { grid-column: 1 / -1; aspect-ratio: 16 / 9; }
}

@media (max-width: 768px) {
  .trust-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .trust-item { padding-right: 0; }
  .trust-item::after { display: none !important; }

  /* iOS'ta fixed arka plan sorunlu — kaydırmayla birlikte hareket etsin */
  .tech-band { background-attachment: scroll; }

  .process-grid { grid-template-columns: 1fr; }
  .process-num { width: 56px; height: 56px; }

  .tech-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .tech-chip { padding: var(--space-lg) var(--space-md); }

  .projects-grid { grid-template-columns: 1fr; }
  .projects-grid > :last-child { grid-column: auto; aspect-ratio: 3 / 4; }

  .showcase-badge { left: var(--space-md); bottom: var(--space-md); padding: var(--space-md) var(--space-lg); }

  .faq-section .accordion-header { font-size: var(--fs-body); }
}

@media (max-width: 480px) {
  .tech-grid { grid-template-columns: 1fr; }
}

/* =============================================
   BÖLÜM 5 — BÖLGE SAYFALARI & BLOG
   ============================================= */

/* ---------- Fotoğraflı sayfa hero ---------- */
.page-hero-photo {
  position: relative;
  background: var(--color-navy);
  overflow: hidden;
}

.page-hero-photo .page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
}

.page-hero-photo::before,
.page-hero-photo::after { display: none; }

.page-hero-photo .page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(5, 16, 31, 0.9) 0%,
    rgba(5, 16, 31, 0.72) 45%,
    rgba(5, 16, 31, 0.9) 100%);
}

.page-hero-photo .container { position: relative; z-index: 2; }

/* ---------- Mahalle / alt bölge çipleri ---------- */
.area-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.area-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--border-radius-full);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  font-size: var(--fs-small);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.area-chip::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

.area-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
  transform: translateY(-2px);
}

/* Koyu zeminde çipler */
.bg-dark .area-chip,
.tech-band .area-chip {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- Bölgeye özel bilgi kutusu ---------- */
.local-note {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: linear-gradient(145deg, rgba(48, 168, 240, 0.07), rgba(26, 115, 232, 0.03));
  border: 1px solid rgba(48, 168, 240, 0.22);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--border-radius);
  margin: var(--space-xl) 0;
}

.local-note svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent-dark);
  flex-shrink: 0;
  margin-top: 2px;
}

.local-note-title {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.local-note p {
  color: var(--color-text-light);
  font-size: var(--fs-small);
  line-height: 1.8;
  margin: 0;
}

/* ---------- Makale (blog yazısı) tipografisi ---------- */
.article {
  max-width: 760px;
  margin: 0 auto;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.6);
  margin-top: var(--space-lg);
}

.article-meta .dot { opacity: 0.4; }

.article-body > * + * { margin-top: var(--space-lg); }

.article-body h2 {
  font-size: var(--fs-h3);
  color: var(--color-navy);
  margin-top: var(--space-3xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.article-body h3 {
  font-size: var(--fs-h4);
  color: var(--color-navy);
  margin-top: var(--space-2xl);
}

.article-body p,
.article-body li {
  color: var(--color-text-light);
  line-height: 1.95;
  font-size: var(--fs-body-lg);
}

.article-body ul,
.article-body ol {
  display: grid;
  gap: var(--space-sm);
  padding-left: var(--space-lg);
}

.article-body ul li { list-style: disc; }
.article-body ol li { list-style: decimal; }

.article-body strong { color: var(--color-navy); font-weight: 600; }

.article-body figure { margin: var(--space-2xl) 0; }

.article-body img {
  width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 20px 50px rgba(10, 22, 40, 0.14);
}

.article-body figcaption {
  margin-top: var(--space-md);
  font-size: var(--fs-small);
  color: var(--color-text-lighter);
  text-align: center;
}

/* Makale içi vurgulu alıntı */
.article-callout {
  padding: var(--space-xl);
  background: var(--color-light);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--border-radius);
}

.article-callout p { margin: 0; color: var(--color-text); }

/* Makale sonu CTA */
.article-cta {
  margin-top: var(--space-3xl);
  padding: var(--space-2xl);
  border-radius: var(--border-radius-lg);
  background: linear-gradient(145deg, var(--color-navy), var(--color-navy-mid));
  text-align: center;
}

.article-cta h3 { color: var(--color-white); margin-bottom: var(--space-sm); }
.article-cta p  { color: rgba(255, 255, 255, 0.72); margin-bottom: var(--space-lg); }

/* ---------- Blog listesi ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  height: 100%;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(48, 168, 240, 0.4);
}

.blog-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-navy);
}

.blog-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-media img { transform: scale(1.06); }

.blog-card-body {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-tag {
  align-self: flex-start;
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-sm);
}

.blog-card-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.35;
  margin-bottom: var(--space-sm);
}

.blog-card:hover .blog-card-title { color: var(--color-accent-dark); }

.blog-card-desc {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.blog-card-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-accent-dark);
}

.blog-card-more svg { width: 16px; height: 16px; transition: transform var(--transition-fast); }
.blog-card:hover .blog-card-more svg { transform: translateX(4px); }

/* ---------- Bölge kartları (bölge listesi) ---------- */
.area-card {
  display: block;
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: 0 12px 30px rgba(10, 22, 40, 0.1);
  transition: all var(--transition-base);
}

.area-card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px rgba(10, 22, 40, 0.2); }

.area-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.area-card:hover img { transform: scale(1.07); }

.area-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 16, 31, 0.92) 0%, rgba(5, 16, 31, 0.25) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
}

.area-card-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: 700;
  color: var(--color-white);
}

.area-card-sub {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.72);
  margin-top: 2px;
}

/* ---------- Responsive (Bölüm 5) ---------- */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
  .local-note { flex-direction: column; gap: var(--space-md); }
  .article-body p, .article-body li { font-size: var(--fs-body); }
}

/* ---------- Referans proje kartı görseli ---------- */
.ref-card-media {
  margin: calc(var(--space-lg) * -1) calc(var(--space-lg) * -1) var(--space-lg);
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  background: var(--color-navy);
}

.ref-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .ref-card-media img { transform: scale(1.06); }

/* ---------- Düzeltme: ürün kartı fotoğrafı kart kenarına taşsın ---------- */
/* .card'ın 48px iç boşluğu fotoğrafı içeri itiyordu; negatif margin ile
   görsel kartın tam genişliğine oturur. */
.product-card .product-image-placeholder {
  margin: calc(var(--space-2xl) * -1) calc(var(--space-2xl) * -1) var(--space-lg);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

/* İçeriğin kendi padding'i var; kartın alt boşluğu iki kez uygulanmasın */
.product-card .product-content {
  padding-top: 0 !important;
}

@media (max-width: 768px) {
  .product-card .product-image-placeholder {
    margin: calc(var(--space-xl) * -1) calc(var(--space-xl) * -1) var(--space-md);
  }
}

/* ---------- Tam genişlik kategori kartı (5. ürün) ---------- */
.category-card-wide {
  grid-column: 1 / -1;
}

.category-card-wide .category-card-media {
  height: 260px;
}

/* Geniş kartta metin sola yaslı ve dikey ortalı dursun */
.category-card-wide .category-card-overlay {
  justify-content: center;
  padding-left: var(--space-3xl);
  background: linear-gradient(90deg,
    rgba(5, 16, 31, 0.94) 0%,
    rgba(5, 16, 31, 0.78) 45%,
    rgba(5, 16, 31, 0.15) 100%);
}

.category-card-wide:hover .category-card-overlay {
  background: linear-gradient(90deg,
    rgba(5, 16, 31, 0.96) 0%,
    rgba(26, 115, 232, 0.55) 55%,
    rgba(5, 16, 31, 0.2) 100%);
}

.category-card-wide .category-icon {
  position: static;
  margin-bottom: var(--space-md);
}

.category-card-wide .category-desc {
  max-width: 520px;
}

@media (max-width: 768px) {
  .category-card-wide .category-card-media { height: 260px; }

  /* Dar ekranda diğer kartlarla aynı görünsün */
  .category-card-wide .category-card-overlay {
    justify-content: flex-end;
    padding-left: var(--space-xl);
    background: linear-gradient(to top,
      rgba(5, 16, 31, 0.95) 0%,
      rgba(5, 16, 31, 0.6) 45%,
      rgba(5, 16, 31, 0.1) 100%);
  }

  .category-card-wide .category-icon {
    position: absolute;
    top: var(--space-xl);
    left: var(--space-xl);
    margin-bottom: 0;
  }
}

/* ---------- WhatsApp gönderim butonu ---------- */
.btn-whatsapp {
  background: linear-gradient(135deg, #25D366, #1da851);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.32);
  gap: var(--space-sm);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.45);
}

.btn-whatsapp svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn-whatsapp:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

/* Form altı açıklama */
.form-note {
  margin-top: var(--space-md);
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--color-text-light);
  text-align: center;
}

.form-note a {
  color: var(--color-accent-dark);
  font-weight: 600;
  white-space: nowrap;
}

.form-note a:hover { text-decoration: underline; }

/* ---------- Rehbere Ekle (vCard) Butonu ---------- */
.contact-vcard-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  width: 100%;
  justify-content: center;
}

.contact-vcard-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* contact-info-card koyu zeminli — outline-dark yerine açık kontrast */
.contact-info-card .contact-vcard-btn {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
}

.contact-info-card .contact-vcard-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
  background: rgba(48, 168, 240, 0.08);
}

/* =============================================
   BÖLÜM 6 — SİTE İÇİ ARAMA
   ============================================= */

/* ---------- Navbar arama butonu ---------- */
.search-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  margin-left: var(--space-sm);
}

.search-toggle:hover {
  background: var(--color-accent);
  color: var(--color-navy);
  transform: scale(1.06);
}

.search-toggle svg {
  width: 18px;
  height: 18px;
}

/* ---------- Arama Overlay ---------- */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(5, 16, 31, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 90px var(--space-lg) var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-panel {
  width: 100%;
  max-width: 640px;
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transform: translateY(-16px);
  transition: transform var(--transition-base);
  max-height: calc(100vh - 130px);
  display: flex;
  flex-direction: column;
}

.search-overlay.active .search-panel {
  transform: translateY(0);
}

.search-input-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.search-input-row svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-lighter);
  flex-shrink: 0;
}

.search-input {
  flex-grow: 1;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  color: var(--color-text);
  background: transparent;
}

.search-input::placeholder { color: var(--color-text-lighter); }

.search-close {
  border: none;
  background: var(--color-light);
  color: var(--color-text-light);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.search-close:hover { background: var(--color-border); color: var(--color-text); }
.search-close svg { width: 14px; height: 14px; }

.search-results {
  overflow-y: auto;
  padding: var(--space-sm);
}

.search-result {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius);
  transition: background var(--transition-fast);
}

.search-result:hover,
.search-result.active-result {
  background: var(--color-light);
}

.search-result-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-body);
  color: var(--color-navy);
}

.search-result-title mark {
  background: rgba(48, 168, 240, 0.25);
  color: var(--color-accent-dark);
  border-radius: 3px;
  padding: 0 2px;
}

.search-result-excerpt {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.search-result-cat {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-dark);
}

.search-empty,
.search-hint {
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  color: var(--color-text-lighter);
  font-size: var(--fs-small);
}

.search-hint kbd {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--color-light);
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .search-overlay { padding: 76px var(--space-md) var(--space-md); }
  .search-panel { max-height: calc(100vh - 100px); }
  .search-input-row { padding: var(--space-md) var(--space-lg); }
}

/* =============================================
   BÖLÜM 7 — VİDEO KARTLARI & VİDEO VİTRİNİ
   ============================================= */

/* ---------- Galeri/Vitrin video kartı (thumbnail yerine gradient+ikon) ---------- */
.video-thumb {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-thumb-1 { background: linear-gradient(145deg, var(--color-navy) 0%, #1c3a5e 100%); }
.video-thumb-2 { background: linear-gradient(145deg, var(--color-navy) 0%, var(--color-accent-dark) 100%); }
.video-thumb-3 { background: linear-gradient(145deg, #14283f 0%, #2d4a6d 100%); }
.video-thumb-4 { background: linear-gradient(145deg, var(--color-navy) 0%, #2a4a3e 100%); }

.video-play-btn {
  position: relative;
  z-index: 2;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: all var(--transition-spring);
}

.video-play-btn svg {
  width: 22px;
  height: 22px;
  margin-left: 3px; /* üçgen ikon optik ortalama */
}

.gallery-item:hover .video-play-btn {
  background: var(--gradient-accent);
  color: var(--color-navy);
  border-color: transparent;
  transform: scale(1.12);
}

.video-duration-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 2;
  background: rgba(5, 16, 31, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: var(--border-radius-full);
  letter-spacing: 0.03em;
}

/* ---------- Lightbox içinde video oynatma ---------- */
.lightbox-stage.has-video {
  background: transparent !important;
  box-shadow: none;
  width: auto;
  height: auto;
  max-width: 92vw;
  max-height: 88vh;
}

.lightbox-stage.has-video video {
  display: block;
  max-width: 92vw;
  max-height: 78vh;
  width: auto;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
  background: #000;
}

/* ---------- Anasayfa Video Vitrini ---------- */
.video-showcase-section {
  background: var(--color-navy);
  position: relative;
  overflow: hidden;
}

.video-showcase-section::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(48, 168, 240, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.video-showcase-section .section-label { color: var(--color-accent-light); }
.video-showcase-section .section-title { color: var(--color-white); }
.video-showcase-section .section-lead  { color: rgba(255, 255, 255, 0.65); margin-left: auto; margin-right: auto; }

.video-showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
  position: relative;
  z-index: 1;
}

.video-showcase-card {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.video-showcase-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.4);
  border-color: rgba(48, 168, 240, 0.4);
}

.video-showcase-card .video-thumb { inset: 0; }

.video-showcase-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  background: linear-gradient(to top, rgba(5, 16, 31, 0.95), transparent);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  text-align: center;
  line-height: 1.4;
}

.video-showcase-more {
  text-align: center;
  margin-top: var(--space-3xl);
  position: relative;
  z-index: 1;
}

/* ---------- Responsive (Bölüm 7) ---------- */
@media (max-width: 1024px) {
  .video-showcase-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .video-play-btn { width: 52px; height: 52px; }
  .video-play-btn svg { width: 18px; height: 18px; }
  .video-showcase-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .lightbox-stage.has-video video { max-width: 94vw; max-height: 70vh; }
}

/* ---------- Video kartı: gerçek video karesi (poster) ---------- */
/* Video elementi gradient arka planın üstünde tam kartı kaplar;
   preload="metadata" sadece ilk kareyi indirir, tüm dosyayı değil. */
.video-thumb video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

/* Video ikonu ve süre rozeti karenin üstünde kalsın */
.video-thumb .video-play-btn {
  position: relative;
  z-index: 2;
}

/* Kare henüz yüklenmemişse/yüklenemezse okunabilirlik için hafif karartma */
.video-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(5, 16, 31, 0.25);
  z-index: 1;
  pointer-events: none;
}

/* =============================================
   BÖLÜM 8 — PERGOLA KONFİGÜRATÖRÜ
   ============================================= */

/* ---------- Navbar CTA linki (vurgulu pill) ---------- */
.nav-cta-link {
  background: var(--gradient-cta);
  color: var(--color-white) !important;
  padding: 8px 18px !important;
  border-radius: var(--border-radius-full);
  font-weight: 700;
  box-shadow: 0 2px 14px rgba(48, 168, 240, 0.35);
  transition: all var(--transition-base);
}

.nav-cta-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(48, 168, 240, 0.5);
  background: var(--gradient-cta);
  color: var(--color-white) !important;
}

@media (max-width: 768px) {
  .nav-cta-link {
    display: block;
    text-align: center;
    margin-top: var(--space-sm);
  }
}

/* ---------- Konfigüratör ana yerleşim ---------- */
.configurator-section {
  background: var(--color-light);
}

/* Sağdaki şematik "canlı önizleme" (soyut SVG + fotoğraf üzerine sahte
   pergola bindirme) VE "Tasarım Özeti" kartı tamamen kaldırıldı — gerçek AI
   önizlemesi (Adım 7) zaten var, bu tahmini içerikler artık gereksiz.
   Wizard tek sütun, tam genişlik. */
.configurator-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.configurator-preview {
  display: none;
}

.configurator-panel {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

/* ---------- Adım göstergesi ---------- */
.config-steps-nav {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: var(--space-xs);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
}

.config-steps-track {
  position: absolute;
  left: 24px;
  right: 24px;
  top: 24px;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.config-steps-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-cta);
  transition: width var(--transition-base);
}

.config-step-dot {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  flex: 1;
  padding: 0;
}

.config-step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text-lighter);
  transition: all var(--transition-base);
}

.config-step-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-text-lighter);
  text-align: center;
  white-space: nowrap;
}

.config-step-dot.active .config-step-num {
  background: var(--gradient-cta);
  border-color: transparent;
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(48, 168, 240, 0.4);
}

.config-step-dot.active .config-step-label {
  color: var(--color-accent-dark);
}

.config-step-dot.done .config-step-num {
  background: var(--color-navy);
  border-color: transparent;
  color: var(--color-white);
}

.config-step-dot.done .config-step-num::after {
  content: '✓';
}

.config-step-dot.done .config-step-num > * { display: none; }

/* Henüz İleri butonuyla ulaşılmamış adımlar tıklanıp atlanamaz. */
.config-step-dot.locked { cursor: not-allowed; }
.config-step-dot.locked .config-step-num,
.config-step-dot.locked .config-step-label { opacity: 0.45; }

@media (max-width: 640px) {
  .config-step-label { display: none; }
  .config-step-num { width: 38px; height: 38px; font-size: var(--fs-small); }
  .config-steps-track { top: 19px; left: 19px; right: 19px; }
}

/* 8 adım noktası 420px altında tek satıra sığmıyordu; küçültülüyor ve
   yine de sığmazsa (≈320px) sayfayı değil sadece bu şeridi kaydırıyor. */
@media (max-width: 420px) {
  .config-steps-nav {
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .config-steps-nav::-webkit-scrollbar { display: none; }
  .config-step-num { width: 30px; height: 30px; font-size: var(--fs-xs); }
  .config-steps-track { top: 15px; left: 15px; right: 15px; }
}

/* ---------- Wizard adımı ---------- */
.config-step-eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-sm);
}

.config-step-title {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-sm);
}

.config-step-desc {
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
  max-width: 640px;
}

/* ---------- Adım 1: Sistem tipi kartları ---------- */
.config-system-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.config-system-card--wide { grid-column: 1 / -1; }

.config-system-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
}

.config-system-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.config-system-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--border-radius);
  background: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
}

.config-system-icon svg { width: 26px; height: 26px; }

.config-system-card h3 {
  font-size: var(--fs-body-lg);
  margin-bottom: 2px;
}

.config-system-sub {
  font-size: var(--fs-xs);
  color: var(--color-text-lighter);
  margin-bottom: var(--space-sm);
  min-height: 1em;
}

.config-system-card p {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  margin: 0;
  line-height: 1.6;
}

.config-system-card:hover {
  border-color: rgba(48, 168, 240, 0.4);
  transform: translateY(-2px);
}

.config-system-card:has(input:checked) {
  border-color: var(--color-accent);
  background: rgba(48, 168, 240, 0.05);
  box-shadow: 0 6px 20px rgba(48, 168, 240, 0.15);
}

.config-system-card:has(input:checked) .config-system-icon {
  background: var(--gradient-cta);
  color: var(--color-white);
}

.config-system-card:has(input:checked)::after {
  content: '';
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gradient-cta);
  background-image: var(--gradient-cta),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: cover, 60%;
  background-position: center;
  background-repeat: no-repeat;
}

@media (max-width: 640px) {
  .config-system-grid { grid-template-columns: 1fr; }
}

/* ---------- Adım 2: Ölçü sliderleri ---------- */
.config-sliders {
  display: grid;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.config-slider-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-md);
  font-family: var(--font-heading);
  font-weight: 600;
}

.config-slider-value {
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--color-accent-dark);
}

.config-slider-value-input {
  width: 3.2em;
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius-sm, 6px);
  background: var(--color-light);
  font: inherit;
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--color-accent-dark);
  text-align: right;
  padding: 2px 8px;
  cursor: text;
  transition: border-color var(--transition-fast, 0.15s);
}
.config-slider-value-input:hover { border-color: var(--color-accent); }
.config-slider-value-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(48, 168, 240, 0.15);
}

.config-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--border-radius-full);
  background: linear-gradient(to right, var(--color-accent) 0%, var(--color-accent) var(--fill, 50%), var(--color-border) var(--fill, 50%), var(--color-border) 100%);
  outline: none;
  cursor: pointer;
}

.config-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-white);
  border: 4px solid var(--color-accent-dark);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.config-range::-webkit-slider-thumb:hover { transform: scale(1.1); }

.config-range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-white);
  border: 4px solid var(--color-accent-dark);
  box-shadow: var(--shadow-md);
  cursor: pointer;
}

.config-range::-moz-range-track {
  height: 8px;
  border-radius: var(--border-radius-full);
  background: var(--color-border);
}

.config-range::-moz-range-progress {
  height: 8px;
  border-radius: var(--border-radius-full);
  background: var(--color-accent);
}

.config-slider-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: var(--fs-xs);
  color: var(--color-text-lighter);
}

.config-area-badge {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  background: linear-gradient(145deg, var(--color-navy), var(--color-navy-mid));
  border-radius: var(--border-radius-lg);
  color: var(--color-white);
}

.config-area-badge svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent-light);
  flex-shrink: 0;
}

.config-area-badge > div { display: flex; flex-direction: column; }

.config-area-value {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 800;
}

.config-area-sub {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- Adım 3: Renk seçici ---------- */
.config-color-group { margin-bottom: var(--space-2xl); }
.config-color-group:last-child { margin-bottom: 0; }

.config-color-heading {
  font-size: var(--fs-body-lg);
  margin-bottom: var(--space-lg);
}

.config-color-swatches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.config-swatch {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

.config-swatch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.config-swatch-color {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15);
}

.config-swatch-name {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-text-light);
  line-height: 1.4;
}

.config-swatch:hover { border-color: rgba(48, 168, 240, 0.4); }

.config-swatch:has(input:checked) {
  border-color: var(--color-accent);
  background: rgba(48, 168, 240, 0.06);
}

.config-swatch:has(input:checked) .config-swatch-name { color: var(--color-accent-dark); }

.config-custom-ral {
  margin-top: var(--space-lg);
  max-width: 320px;
}

.config-custom-ral label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.config-optional {
  font-weight: 400;
  color: var(--color-text-lighter);
  text-transform: none;
  letter-spacing: normal;
}

@media (max-width: 640px) {
  .config-color-swatches { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Adım 4-5: Switch listesi ---------- */
.config-switch-list {
  display: grid;
  gap: var(--space-md);
}

.config-switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
}

.config-switch-row:hover { border-color: rgba(48, 168, 240, 0.35); background: var(--color-light); }

/* Seçilen sistem tipine yapısal olarak uygun olmayan donanımlar (örn. lamel
   yalıtımı bir tentede) gizlenir — hem kullanıcı yanlış kombinasyon
   seçemesin hem de AI'ya çelişkili bir istek gitmesin diye. */
.config-switch-row.is-unavailable {
  display: none;
}
.config-switch-note {
  font-size: var(--fs-xs);
  color: var(--color-text-lighter);
  margin: 0;
}

.config-switch-info h3 {
  font-size: var(--fs-body);
  margin-bottom: 2px;
}

.config-switch-info p {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  margin: 0;
}

.config-switch {
  position: relative;
  flex-shrink: 0;
  width: 52px;
  height: 30px;
}

.config-switch input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
  z-index: 1;
}

.config-switch-track {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: var(--border-radius-full);
  transition: background var(--transition-base);
}

.config-switch-track::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-spring);
}

.config-switch input:checked ~ .config-switch-track {
  background: var(--gradient-cta);
}

.config-switch input:checked ~ .config-switch-track::before {
  transform: translateX(22px);
}

/* ---------- Adım 6: İletişim formu ---------- */
.config-contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.config-contact-full { grid-column: 1 / -1; }

.config-submit-row {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.config-submit-row .btn { flex: 1; min-width: 220px; }

@media (max-width: 640px) {
  .config-contact-grid { grid-template-columns: 1fr; }
}

/* ---------- Wizard navigasyon butonları ---------- */
.config-nav-buttons {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.config-nav-buttons .btn svg { width: 18px; height: 18px; }
.config-nav-buttons .btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }

/* Son adımda İleri butonu gizlenir (JS ile) */
.config-nav-buttons.hide-next #config-next { display: none; }

/* ---------- Sağ: Canlı önizleme + özet (sticky) ---------- */
.config-preview-sticky {
  position: sticky;
  top: calc(var(--space-2xl) + 70px);
  display: grid;
  gap: var(--space-xl);
}

.config-preview-panel {
  background: linear-gradient(145deg, var(--color-navy), var(--color-navy-mid));
  border-radius: var(--border-radius-xl);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.config-preview-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-light);
  margin-bottom: var(--space-md);
}

.config-preview-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ff5f5f;
  box-shadow: 0 0 8px #ff5f5f;
  animation: livePulse 1.6s ease-in-out infinite;
}

@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.config-svg-wrap {
  background: #eef1f5;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.config-svg-wrap svg {
  width: 100%;
  height: auto;
  display: block;
}

#pergola-group, #pergola-group-photo { transition: transform 0.4s ease; }
.pergola-lamel, .pool-slat,
#leg-left, #leg-right, #beam-top,
#leg-left-photo, #leg-right-photo, #beam-top-photo,
#awning-frame, #awning-frame-photo, #awning-fabric, #awning-fabric-photo,
#fabric-roof-sheet, #fabric-roof-sheet-photo {
  transition: fill 0.35s ease;
  stroke: rgba(10, 22, 40, 0.22);
  stroke-width: 1;
}
#side-zip, #side-glass, #led-group, #rgb-group,
#side-zip-photo, #side-glass-photo, #led-group-photo, #rgb-group-photo,
#awning-led, #awning-led-photo, #awning-rgb, #awning-rgb-photo, #pool-rgb, #pool-rgb-photo { transition: opacity 0.35s ease; }

.config-preview-hint {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  margin-top: var(--space-md);
  margin-bottom: 0;
}

.photo-download-btn {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-small);
  padding: 10px 16px;
}

/* ---------- Fotoğraf Yükleme Çubuğu ---------- */
.photo-upload-bar {
  margin-top: var(--space-lg);
}

.photo-upload-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 16px;
  border: 1.5px dashed rgba(26, 115, 232, 0.4);
  border-radius: var(--border-radius-md);
  color: var(--color-accent-dark);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease;
  background: rgba(26, 115, 232, 0.04);
}

.photo-upload-btn:hover {
  background: rgba(26, 115, 232, 0.09);
  border-color: var(--color-accent-dark);
}

.photo-presets {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--space-md);
  overflow-x: auto;
  padding-bottom: 2px;
}

.photo-presets-label {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
  white-space: nowrap;
  flex-shrink: 0;
}

.photo-preset-btn {
  position: relative;
  flex: 0 0 auto;
  width: 88px;
  height: 60px;
  border-radius: 8px;
  border: 1.5px solid var(--color-border);
  background-size: cover;
  background-position: center;
  cursor: pointer;
  overflow: hidden;
  padding: 0;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.photo-preset-btn:hover { border-color: var(--color-accent); transform: translateY(-1px); }
.photo-preset-btn.is-active { border-color: var(--color-accent); box-shadow: 0 0 0 2px rgba(48, 168, 240, 0.3); }
.photo-preset-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.photo-preset-btn span {
  position: absolute;
  inset: auto 0 0 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.72), transparent);
  color: #fff;
  font-size: 9px;
  font-weight: 600;
  line-height: 1.3;
  padding: 8px 4px 3px;
  text-align: center;
}

/* ---------- Fotoğraf Sahnesi (Kendi Evinde Gör) ---------- */
.photo-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #0a1628;
}

.photo-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.4s ease;
}

.photo-night-overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 12, 28, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.photo-stage.is-night .photo-bg-img { filter: brightness(0.5) saturate(0.85); }
.photo-stage.is-night .photo-night-overlay { opacity: 1; }

.photo-pergola-layer {
  position: absolute;
  left: 50%;
  top: 52%;
  width: 76%;
  transform-origin: center;
  cursor: grab;
  touch-action: none;
  filter: drop-shadow(0 10px 14px rgba(0, 0, 0, 0.35));
  user-select: none;
}

.photo-pergola-layer.is-dragging { cursor: grabbing; }

#pergola-svg-photo {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.photo-drag-hint {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 22, 40, 0.65);
  color: #fff;
  font-size: 11px;
  padding: 5px 12px;
  border-radius: 999px;
  margin: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
  white-space: nowrap;
}

.photo-drag-hint.is-hidden { opacity: 0; }

.photo-control-bar {
  position: absolute;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(10, 22, 40, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.photo-ctrl-scale {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.photo-ctrl-scale input[type="range"] { width: 84px; }

.photo-ctrl-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}

.photo-ctrl-btn:hover { background: rgba(255, 255, 255, 0.16); }
.photo-ctrl-btn.is-active { background: var(--color-accent); border-color: var(--color-accent); }

@media (max-width: 640px) {
  .photo-preset-btn { width: 64px; height: 44px; }
  .photo-ctrl-scale input[type="range"] { width: 56px; }
  .photo-control-bar { gap: 6px; padding: 6px 8px; }
}

/* ---------- Özet kartı ---------- */
.config-summary-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.config-summary-title {
  font-size: var(--fs-h4);
  margin-bottom: var(--space-lg);
}

.config-summary-list {
  display: grid;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.config-summary-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: var(--fs-small);
}

.config-summary-list li span { color: var(--color-text-light); flex-shrink: 0; }

.config-summary-list li strong {
  color: var(--color-navy);
  text-align: right;
  font-weight: 700;
}

.config-summary-time {
  border-bottom: none !important;
  margin-top: 4px;
  padding-top: var(--space-md) !important;
  border-top: 1px solid var(--color-border);
}

.config-summary-time strong { color: var(--color-accent-dark); }

@media (max-width: 1024px) {
  .configurator-grid { grid-template-columns: minmax(0, 1fr); }
  .config-preview-sticky { position: static; }
  .configurator-preview { order: -1; }
}

@media (max-width: 768px) {
  .configurator-panel { padding: var(--space-lg); }
  .config-svg-wrap svg { max-height: 220px; }
}

/* ---------- Başarı bildirimi (toast) ---------- */
.config-toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-xl);
  transform: translate(-50%, 140%);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  max-width: 420px;
  width: calc(100% - var(--space-xl) * 2);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-success);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-xl);
  z-index: 1500;
  transition: transform var(--transition-spring);
}

.config-toast.active { transform: translate(-50%, 0); }

.config-toast svg {
  width: 24px;
  height: 24px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

.config-toast strong {
  display: block;
  font-family: var(--font-heading);
  margin-bottom: 2px;
}

.config-toast span {
  font-size: var(--fs-small);
  color: var(--color-text-light);
}

.config-toast-close {
  margin-left: auto;
  border: none;
  background: none;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--color-text-lighter);
  cursor: pointer;
  flex-shrink: 0;
}

.config-toast--error { border-left-color: var(--color-error); }
.config-toast--error svg { color: var(--color-error); }

.photo-upload-btn.is-loading { opacity: 0.6; pointer-events: none; }

.ai-visualize-btn {
  width: 100%;
  justify-content: center;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-small);
  padding: 12px 16px;
  margin-top: var(--space-sm);
}

.ai-visualize-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ---------- Adım 7: AI Önizleme paneli ---------- */
.config-ai-step-panel {
  margin-top: var(--space-lg);
  padding: var(--space-2xl) var(--space-xl);
  border: 1.5px dashed var(--color-border);
  border-radius: var(--border-radius-lg);
  background: var(--color-light);
  text-align: center;
}

.config-ai-no-photo svg {
  color: var(--color-text-lighter);
  margin-bottom: var(--space-md);
}

.config-ai-no-photo p {
  color: var(--color-text-light);
  max-width: 380px;
  margin: 0 auto var(--space-lg);
}

.config-ai-ready .ai-visualize-btn {
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.config-ai-step-hint {
  margin-top: var(--space-sm);
  font-size: var(--fs-xs);
  color: var(--color-text-lighter);
}

/* ---------- AI Gerçekçi Görünüm Modalı ---------- */
.ai-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.ai-modal[hidden] { display: none; }

.ai-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 12, 24, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.ai-modal-panel {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--space-2xl) var(--space-xl) var(--space-xl);
  box-shadow: var(--shadow-xl);
  text-align: center;
  animation: aiModalIn 0.3s var(--transition-spring);
}

@keyframes aiModalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.ai-modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--color-light);
  color: var(--color-text-light);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
}

.ai-modal-state h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  color: var(--color-navy);
  margin: var(--space-md) 0 var(--space-xs);
}

.ai-modal-state p {
  color: var(--color-text-light);
  font-size: var(--fs-small);
  margin: 0 0 var(--space-md);
}

.ai-spinner {
  width: 52px;
  height: 52px;
  margin: 0 auto;
  border-radius: 50%;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-accent);
  animation: aiSpin 0.9s linear infinite;
}

@keyframes aiSpin {
  to { transform: rotate(360deg); }
}

.ai-modal-state--error svg { color: var(--color-error); margin: 0 auto; }

.ai-prompt-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto;
  border-radius: 50%;
  background: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.ai-modal-textarea {
  width: 100%;
  resize: vertical;
  min-height: 96px;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-family: inherit;
  font-size: var(--fs-small);
  color: var(--color-navy);
}
.ai-modal-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(48, 168, 240, 0.15);
}

.ai-result-image-wrap {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: var(--color-light);
}

.ai-result-image-wrap img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 60vh;
  object-fit: contain;
}

.ai-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-lg);
}

.ai-modal-actions .btn { flex: 1 1 180px; justify-content: center; }

/* Yükleniyor ekranında gönderilen seçimlerin özeti — kullanıcı neyin
   sorgulandığını görsün diye popup açılır açılmaz gösteriliyor. */
.ai-modal-summary {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin: var(--space-sm) 0 0;
  padding: 0;
}

.ai-modal-summary li {
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: var(--fs-xs);
  color: var(--color-text-light);
}

.ai-fix-btn {
  display: block;
  margin: var(--space-sm) auto 0;
  background: none;
  border: none;
  color: var(--color-text-lighter);
  font-size: var(--fs-xs);
  text-decoration: underline;
  cursor: pointer;
}
.ai-fix-btn:hover { color: var(--color-error); }

/* Adım 1: sağdaki şematik önizleme kaldırıldığı için yüklenen fotoğrafın
   kabul edildiğini burada, form içinde net şekilde onaylıyoruz. */
.photo-step1-confirm {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  background: var(--color-light);
}
.photo-step1-confirm[hidden] { display: none; }
.photo-step1-confirm img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--border-radius-md);
  flex-shrink: 0;
}
.photo-step1-confirm-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}
.photo-step1-confirm-text strong { color: var(--color-success, #2a9d5c); }
.photo-step1-confirm-text span { font-size: var(--fs-small); color: var(--color-text-light); }

@media (max-width: 640px) {
  .ai-modal-panel { padding: var(--space-xl) var(--space-md) var(--space-lg); }
  .ai-modal-actions .btn { flex: 1 1 100%; }
}

/* :has() desteklemeyen eski tarayıcılar için JS fallback sınıfı */
.config-system-card.is-checked {
  border-color: var(--color-accent);
  background: rgba(48, 168, 240, 0.05);
  box-shadow: 0 6px 20px rgba(48, 168, 240, 0.15);
}
.config-system-card.is-checked .config-system-icon { background: var(--gradient-cta); color: var(--color-white); }
.config-swatch.is-checked { border-color: var(--color-accent); background: rgba(48, 168, 240, 0.06); }
.config-swatch.is-checked .config-swatch-name { color: var(--color-accent-dark); }

/* =====================================================================
   KÜÇÜK EKRAN TAŞMA DÜZELTMELERİ (≤480px)
   Buton metinleri .btn üzerinde white-space:nowrap olduğu için dar
   ekranlarda kapsayıcılarının min-content genişliğini şişiriyor ve
   sayfayı yatay kaydırılabilir hale getiriyordu (ör. tasarla.html'de
   "Tasarladığım Görseli İndir (PNG)" butonu 320px ekranda 27px taşırdı).
   ===================================================================== */
@media (max-width: 480px) {
  .btn { white-space: normal; }
  .config-summary-list li { flex-wrap: wrap; }
}