@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap");

:root {
  --font-sans: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Gündüz (Light) Modu Değişkenleri */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;

  --primary-color: #2563eb;
  --primary-light: #60a5fa;
  --primary-dark: #1e3a8a;
  --accent-color: #0891b2;
  --accent-light: #22d3ee;

  --border-color: #e2e8f0;
  
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-blur: 16px;
  
  --card-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
  --hover-shadow: 0 20px 40px -15px rgba(37, 99, 235, 0.15);
  
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Gece (Dark) Modu Değişkenleri */
[data-theme="dark"] {
  --bg-primary: #030712;
  --bg-secondary: #0b0f19;
  --bg-tertiary: #0f172a;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;

  --primary-color: #3b82f6;
  --primary-light: #60a5fa;
  --primary-dark: #1d4ed8;
  --accent-color: #06b6d4;
  --accent-light: #22d3ee;

  --border-color: rgba(255, 255, 255, 0.06);
  
  --glass-bg: rgba(11, 15, 25, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.4);
  --hover-shadow: 0 20px 40px -15px rgba(59, 130, 246, 0.25);
}

/* Genel Sınıflar ve Resetler */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: var(--transition-smooth);
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 10px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

/* SVG İkon Genel Tasarımı */
.icon {
  width: 1.2rem;
  height: 1.2rem;
  display: inline-block;
  vertical-align: middle;
  stroke-width: 2;
  transition: var(--transition-fast);
}

/* Üst Bilgi Barı (Ticker) */
.top-ticker {
  background-color: #030712;
  border-bottom: 1px solid var(--border-color);
  color: #e2e8f0;
  font-size: 0.82rem;
  padding: 10px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1001;
  position: relative;
}

.ticker-info {
  display: flex;
  gap: 24px;
  align-items: center;
}

.ticker-info span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ticker-info a:hover {
  color: var(--primary-light);
}

.ticker-news {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #cbd5e1;
}

.ticker-icon-svg {
  width: 14px;
  height: 14px;
  color: var(--primary-light);
}

/* Header & Menü Tasarımı */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-smooth);
}

.navbar {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo-img {
  height: 52px;
  width: 52px;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  transition: var(--transition-smooth);
}

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

.logo-img-footer {
  height: 58px;
  width: 58px;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  margin-bottom: 12px;
}

.logo-text-container {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-align: left;
}

.logo-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.5px;
}

.logo-subtitle {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--primary-color);
  fill: rgba(59, 130, 246, 0.15);
  animation: pulseGlow 3s infinite;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 36px;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-link {
  position: relative;
  padding: 8px 0;
  color: var(--text-secondary);
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  border-radius: 5px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transition: var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--primary-color);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 14px;
}

.theme-toggle,
.lang-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  padding: 8px 16px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  transition: var(--transition-smooth);
}

.theme-toggle:hover,
.lang-toggle:hover {
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.lang-icon {
  width: 14px;
  height: 14px;
  color: var(--primary-color);
}

.menu-toggle {
  display: none;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.menu-toggle:hover {
  background: var(--border-color);
}

/* Sections */
section {
  padding: 100px 32px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(6, 182, 212, 0.12));
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--primary-color);
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary) 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Hero (Giriş) Tasarımı */
.hero {
  min-height: calc(100vh - 150px);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 60px;
  padding-top: 60px;
  padding-bottom: 60px;
}

.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(6, 182, 212, 0.05) 50%, transparent 100%);
  top: 10%;
  left: -10%;
  pointer-events: none;
  z-index: 0;
}

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

.hero-content h1,
.hero-content h2 {
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary-color) 70%, var(--accent-color) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 580px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.45);
}

.btn-secondary {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  box-shadow: var(--card-shadow);
}

.btn-secondary:hover {
  border-color: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--hover-shadow);
}

.hero-image-container {
  height: 520px;
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--glass-border);
  z-index: 2;
  transition: var(--transition-smooth);
}

.hero-image-container:hover {
  transform: scale(1.02);
  box-shadow: var(--hover-shadow);
}

.hero-image-glow {
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(3, 7, 18, 0.4) 0%, transparent 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 16px 24px;
  border-radius: 20px;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: float 4s ease-in-out infinite;
}

.badge-icon-w {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.hero-badge-title {
  font-weight: 700;
  font-size: 0.95rem;
}

.hero-badge-subtitle {
  font-size: 0.78rem;
  opacity: 0.8;
}

/* Hakkında / Kurumsal Özellikler */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}

.feature-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  border-radius: 26px;
  padding: 44px 36px;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-light);
  box-shadow: var(--hover-shadow);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  margin-bottom: 24px;
}

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

.feature-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Koyu Detay Bloğu */
.dark-details-block {
  background: linear-gradient(135deg, #090d16 0%, #0f172a 100%);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  color: #ffffff;
  border-radius: 36px;
  padding: 60px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  position: relative;
  overflow: hidden;
}

.dark-details-block::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
  right: -5%;
  bottom: -10%;
  pointer-events: none;
}

.dark-details-left h3 {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 50%, #cbd5e1 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.dark-details-left p {
  color: #94a3b8;
  font-size: 1.05rem;
}

.dark-details-right {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}

.detail-checkmark-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  transition: var(--transition-smooth);
}

.detail-checkmark-row:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateX(5px);
}

.detail-checkmark-row span {
  font-weight: 600;
  font-size: 1rem;
}

.detail-checkmark-row i {
  color: var(--accent-light);
  display: flex;
  align-items: center;
}

/* Ürün Filtreleme Tabbar */
.product-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 44px;
}

.filter-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 24px;
  border-radius: 100px;
  cursor: pointer;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
}

.filter-btn:hover {
  color: var(--primary-color);
  border-color: var(--primary-light);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: #ffffff;
  border-color: var(--primary-color);
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

/* Ürün Grid ve Kart Tasarımı */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: var(--transition-smooth);
}

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

.product-img-w {
  height: 260px;
  overflow: hidden;
  position: relative;
  background-color: #ffffff;
}

.product-category-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  background: rgba(3, 7, 18, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 2;
}

.product-img-w img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  transition: var(--transition-smooth);
}

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

.product-info {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-info h3 {
  font-size: 1.38rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.25;
}

.product-bullets-list {
  list-style: none;
  margin-bottom: 28px;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.product-bullet {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.55;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.bullet-arrow {
  color: var(--primary-color);
  font-weight: 800;
  font-size: 1.2rem;
  line-height: 1.2;
}

.product-card-footer {
  margin-top: auto;
}

.card-btn {
  width: 100%;
  font-size: 0.9rem;
  padding: 12px 20px;
  border-radius: 10px;
}

/* Referanslar Bölümü */
.references-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.reference-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  height: 100px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
}

.ref-logo-text {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 1px;
  color: var(--text-muted);
  z-index: 2;
  transition: var(--transition-smooth);
}

.card-glow {
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(6, 182, 212, 0.08));
  opacity: 0;
  z-index: 1;
  transition: var(--transition-smooth);
}

.reference-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-light);
  box-shadow: var(--hover-shadow);
}

.reference-card:hover .ref-logo-text {
  color: var(--primary-color);
  transform: scale(1.05);
}

.reference-card:hover .card-glow {
  opacity: 1;
}

/* SSS Accordion Tasarımı */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  border-radius: 20px;
  margin-bottom: 18px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item:hover {
  border-color: var(--primary-light);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 24px 28px;
  font-size: 1.15rem;
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.faq-arrow {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 28px;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.faq-item.active {
  border-color: var(--primary-color);
}

.faq-item.active .faq-answer {
  padding-bottom: 24px;
  max-height: 300px;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
  color: var(--primary-color);
}

/* İletişim Layout ve Form */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
}

.contact-details {
  display: flex;
  flex-direction: column;
}

.contact-details h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 30px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  border-radius: 20px;
  transition: var(--transition-smooth);
}

.contact-info-item:hover {
  transform: translateX(6px);
  border-color: var(--primary-light);
  box-shadow: var(--hover-shadow);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
  color: var(--primary-color);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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

.contact-info-text h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-info-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-map-container {
  margin-top: 24px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  background: var(--bg-secondary);
  transition: var(--transition-smooth);
}

.contact-map-container:hover {
  border-color: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--hover-shadow);
}

.contact-map-container iframe {
  display: block;
}

.contact-form-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  padding: 48px;
  border-radius: 28px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
  background-color: var(--bg-secondary);
}

/* Modal Redesign */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(3, 7, 18, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal.show {
  opacity: 1;
}

.modal-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.6);
  border-radius: 32px;
  max-width: 900px;
  width: 90%;
  position: relative;
  overflow: hidden;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal.show .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  z-index: 3;
  transition: var(--transition-smooth);
}

.modal-close:hover {
  background: var(--primary-color);
  color: #ffffff;
  transform: rotate(90deg);
}

.modal-body {
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  max-height: 85vh;
  overflow-y: auto;
}

.modal-img-container {
  height: 380px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.modal-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-info-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.modal-info-container h3 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
}

.modal-info-container p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.6;
}

.modal-specs-block {
  margin-top: 10px;
}

.specs-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary-color);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 12px;
}

.specs-table tr {
  border-bottom: 1px solid var(--border-color);
}

.specs-table tr:last-child {
  border-bottom: none;
}

.specs-table td {
  padding: 10px 0;
  font-size: 0.92rem;
}

.spec-name {
  font-weight: 600;
  color: var(--text-secondary);
  width: 45%;
}

.spec-val {
  color: var(--text-primary);
  font-weight: 500;
}

.modal-cta-btn {
  margin-top: 10px;
  display: inline-flex;
  width: 100%;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 420px;
  width: 90%;
}

.toast {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  border-radius: 16px;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transform: translateX(120%);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast-success {
  border-left: 4px solid #10b981;
}

.toast-success .toast-icon {
  color: #10b981;
}

.toast-message {
  font-weight: 600;
  font-size: 0.9rem;
}

.toast-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.toast-close-btn:hover {
  color: var(--text-primary);
}

/* Floating Widgets */
.floating-socials {
  position: fixed;
  right: 32px;
  bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 999;
}

.float-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border-radius: 50px;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
}

.float-btn.whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
}

.float-btn.instagram {
  background: linear-gradient(135deg, #f58529, #dd2a7b, #8134af, #515bd4);
}

.float-btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
}

/* Alt Kısım (Footer) */
footer {
  background-color: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  padding: 90px 32px 32px;
  position: relative;
  z-index: 2;
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto 50px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 60px;
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-logo-icon {
  width: 24px;
  height: 24px;
  color: var(--primary-color);
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 320px;
  line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links-list a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
}

.footer-links-list a:hover {
  color: var(--primary-color);
  padding-left: 4px;
}

.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.footer-contact-icon {
  width: 18px;
  height: 18px;
  color: var(--primary-color);
  flex-shrink: 0;
  margin-top: 3px;
}

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

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Animations */
@keyframes pulseGlow {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 2px rgba(59, 130, 246, 0.4));
  }
  50% {
    transform: scale(1.08);
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.8));
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tablet ve Mobil Uyumluluk */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-content h1,
  .hero-content h2 {
    font-size: 3.2rem;
  }
  
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .cta-buttons {
    justify-content: center;
  }
  
  .hero-image-container {
    height: 420px;
    max-width: 580px;
    margin: 0 auto;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .dark-details-block {
    grid-template-columns: 1fr;
    padding: 44px;
    gap: 40px;
  }
  
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .references-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-brand p {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  section {
    padding: 70px 24px;
  }
  
  .navbar {
    padding: 16px 24px;
  }
  
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    flex-direction: column;
    padding: 24px 32px;
    gap: 20px;
    display: none;
    transform: translateY(-10px);
    opacity: 0;
    transition: var(--transition-smooth);
  }
  
  .nav-menu.open {
    display: flex;
    transform: translateY(0);
    opacity: 1;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .top-ticker {
    display: none; /* Hide ticker bar on small mobile screens to prevent clutter */
  }
  
  .modal-body {
    grid-template-columns: 1fr;
    padding: 30px;
    gap: 24px;
  }
  
  .modal-img-container {
    height: 250px;
  }
  
  .modal-close {
    top: 16px;
    right: 16px;
  }
  
  .references-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-content h1,
  .hero-content h2 {
    font-size: 2.4rem;
  }
  
  .btn {
    width: 100%;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .references-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-form-container {
    padding: 24px;
  }
}

/* ==========================================================================
   HERO SLIDER
   ========================================================================== */
.hero-slider {
  position: relative;
  overflow: hidden;
  height: 650px;
  padding: 0;
}

.slider-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slider .slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
  padding: 100px 48px 60px 48px;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.8s ease-in-out;
  pointer-events: none;
  background: var(--bg-primary);
}

.hero-slider .slide.active {
  opacity: 1;
  z-index: 2;
  pointer-events: auto;
}

.hero-slider .slide .hero-content {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-slider .slide.active .hero-content {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.15s;
}

.hero-slider .slide .hero-image-container {
  opacity: 0;
  transform: scale(0.95) translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-slider .slide.active .hero-image-container {
  opacity: 1;
  transform: scale(1) translateY(0);
  transition-delay: 0.1s;
}

.hero-badge-top {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
  color: var(--primary-light);
  border: 1px solid rgba(59, 130, 246, 0.25);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.slider-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.slider-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-dots .dot:hover {
  background: rgba(255, 255, 255, 0.5);
}

.slider-dots .dot.active {
  background: var(--primary-color);
  width: 28px;
  border-radius: 6px;
}

/* ==========================================================================
   PRODUCT CAROUSEL
   ========================================================================== */
.products-carousel-section {
  padding: 90px 48px;
  position: relative;
}

.section-header-carousel {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
}

.section-header-carousel .header-left .section-badge {
  display: inline-block;
  margin-bottom: 12px;
}

.section-header-carousel .header-left h2 {
  font-size: 2.2rem;
  font-weight: 800;
}

.view-all-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-light);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-smooth);
  padding: 8px 16px;
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.view-all-link:hover {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.view-all-link svg {
  transition: transform 0.3s ease;
}

.view-all-link:hover svg {
  transform: translateX(4px);
}

.carousel-outer-wrapper {
  position: relative;
  width: 100%;
  padding: 0 10px;
}

.product-carousel-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: 12px 4px 24px 4px;
  scrollbar-width: none; /* Firefox */
}

.product-carousel-track::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.product-carousel-track .product-card {
  flex: 0 0 calc((100% - (24px * 2)) / 3); /* default show 3 cards */
  scroll-snap-align: start;
  min-width: 320px;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--card-shadow);
  z-index: 10;
  transition: var(--transition-smooth);
}

.carousel-arrow:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.prev-arrow {
  left: -26px;
}

.next-arrow {
  right: -26px;
}

/* ==========================================================================
   KATALOG DETAILED PAGE
   ========================================================================== */
.katalog-page-wrapper {
  padding: 10px 48px 80px 48px;
  background: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 40%);
}

.katalog-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  max-width: 1400px;
  margin: 0 auto;
  align-items: start;
}

.katalog-sidebar {
  position: sticky;
  top: 110px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--card-shadow);
}

.sidebar-title {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.sidebar-menu-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-menu-btn {
  width: 100%;
  text-align: left;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.94rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.sidebar-menu-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  padding-left: 22px;
}

.sidebar-menu-btn.active {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
  padding-left: 22px;
}

.info-sidebar-block {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
  border-color: rgba(59, 130, 246, 0.15);
}

.info-sidebar-block h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary-light);
}

.info-sidebar-block p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.katalog-main-content {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.katalog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.katalog-header h1,
.katalog-header h2 {
  font-size: 2rem;
  font-weight: 800;
  margin: 0;
  line-height: 1.1;
}

.katalog-count {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 600;
  background: var(--bg-secondary);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

/* Responsive adaptations for Slider, Carousel and Catalog */
@media (max-width: 1024px) {
  .katalog-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .katalog-sidebar {
    position: static;
  }

  .product-carousel-track .product-card {
    flex: 0 0 calc((100% - 24px) / 2); /* show 2 cards on tablet */
  }
}

/* Hero image caption overlay */
.hero-image-caption {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(3, 7, 18, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 5;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  pointer-events: none;
}

/* Hide mobile filter button and close button on desktop */
.mobile-filter-btn,
.sidebar-close-btn {
  display: none;
}

@media (max-width: 768px) {
  .hero-slider {
    height: auto;
    min-height: 760px;
  }

  .hero-slider .slide {
    grid-template-columns: 1fr;
    padding: 100px 24px 70px 24px;
    gap: 32px;
    height: auto;
    min-height: 760px;
  }

  .hero-image-container {
    height: 240px;
    max-width: 100%;
    margin: 0 auto;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
  }

  .hero-image-container img {
    object-fit: contain;
    padding: 12px;
  }

  .hero-image-caption {
    font-size: 0.78rem;
    padding: 6px 14px;
    bottom: auto;
    top: 12px;
  }

  .products-carousel-section {
    padding: 60px 24px;
  }

  .section-header-carousel {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .view-all-link {
    width: 100%;
    justify-content: center;
  }

  .product-carousel-track .product-card {
    flex: 0 0 100%; /* show 1 card on mobile */
  }

  .carousel-arrow {
    width: 44px;
    height: 44px;
  }

  .prev-arrow {
    left: -10px;
  }

  .next-arrow {
    right: -10px;
  }

  /* Mobil Filtreleme Buton Barı */
  .mobile-filter-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 14px;
    border-radius: 12px;
    color: var(--primary-light);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    margin-bottom: 24px;
    transition: var(--transition-smooth);
    box-shadow: var(--card-shadow);
  }

  .mobile-filter-btn:hover {
    border-color: var(--primary-light);
    background: rgba(59, 130, 246, 0.05);
  }

  /* Mobile Categories Drawer Overlay Layout */
  .katalog-container {
    display: block;
    padding: 10px 8px 80px 8px; /* Balanced smaller padding to give products more space */
  }

  .katalog-sidebar {
    position: fixed;
    top: 0;
    left: -300px; /* Off-screen initially */
    width: 280px;
    height: 100vh;
    z-index: 2000;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.3);
    transition: left 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: block;
  }

  .katalog-sidebar.expanded {
    left: 0;
  }

  .sidebar-block {
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 24px;
    height: 100%;
    overflow-y: auto;
    border-radius: 0;
  }

  .sidebar-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 20px;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
  }

  .sidebar-close-btn {
    display: block;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    font-weight: 400;
    cursor: pointer;
    line-height: 1;
    padding: 0;
  }

  .sidebar-close-btn:hover {
    color: var(--accent-color);
  }

  .sidebar-menu-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .info-sidebar-block {
    display: none;
  }

  /* Left drawer backdrop overlay styling */
  .sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(3, 7, 18, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .sidebar-overlay.active {
    display: block;
    opacity: 1;
  }

  /* 2-Column Product Grid for Mobile - Maximized space, small gap */
  .product-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }

  /* Compact Product Card on Mobile */
  .product-bullets-list,
  .product-card-footer,
  .product-category-tag {
    display: none !important;
  }

  .product-card {
    border-radius: 16px;
  }

  .product-img-w {
    height: 180px;
  }

  .product-img-w img {
    padding: 10px;
  }

  .product-info {
    padding: 12px 8px;
    align-items: center;
    text-align: center;
  }

  .product-info h3 {
    font-size: 0.92rem;
    margin-bottom: 0;
    line-height: 1.35;
    color: var(--text-primary);
  }
}

@media (max-width: 480px) {
  .hero-slider {
    min-height: 780px;
  }
  
  .hero-slider .slide {
    min-height: 780px;
    padding: 90px 16px 70px 16px;
  }
  
  .hero-image-container {
    height: 200px;
  }
}

/* Custom Subject Select and Option Modal */
.custom-select-trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.custom-select-trigger:hover {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.select-arrow-icon {
  color: var(--text-secondary);
  transition: transform 0.3s ease;
}

.custom-select-trigger:hover .select-arrow-icon {
  color: var(--primary-color);
}

.subject-options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.subject-option-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.subject-option-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary-color);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(59, 130, 246, 0.05) 100%);
  box-shadow: var(--card-shadow);
}

.subject-option-card.active {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
  box-shadow: 0 0 0 2px var(--primary-color);
}

.subject-icon {
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

.subject-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Visually Hidden for SEO accessibility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}