/**
 * İnterturk İç ve Dış Ticaret A.Ş.
 * Ultra-Premium Design System & Modern Stylesheet
 * Brand Colors: Primary (#ff6600), Secondary (#013989), Dark Slate (#0f172a)
 */

:root {
  --primary: #ff6600;
  --primary-hover: #e05a00;
  --primary-light: #fff0e6;
  --primary-glow: rgba(255, 102, 0, 0.28);
  
  --secondary: #013989;
  --secondary-hover: #012b66;
  --secondary-light: #e6effa;
  
  --dark: #0b1329;
  --dark-surface: #111d3d;
  --dark-card: #182852;
  
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 35px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 10px 25px rgba(255, 102, 0, 0.35);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--gray-700);
  background-color: var(--gray-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--dark);
  font-weight: 700;
  line-height: 1.25;
}

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

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

/* Layout Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Topbar */
.topbar {
  background: #090e1f;
  color: var(--gray-400);
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.5rem 0;
}

.topbar-items {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.topbar-contact {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.topbar-item a:hover {
  color: var(--primary);
}

.topbar-socials {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.topbar-socials a {
  color: var(--gray-400);
  font-size: 0.85rem;
}

.topbar-socials a:hover {
  color: var(--primary);
  transform: translateY(-1px);
}

/* Main Header & Navbar */
.header-main {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid var(--gray-100);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 84px;
}

.brand-logo img {
  height: 52px;
  object-fit: contain;
  transition: var(--transition);
}

.brand-logo:hover img {
  transform: scale(1.02);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--gray-800);
  padding: 0.5rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

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

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

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

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  padding: 0.6rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 1100;
}

.nav-item-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  color: var(--gray-700);
  font-weight: 500;
}

.dropdown-item:hover {
  background: var(--primary-light);
  color: var(--primary);
  padding-left: 1.5rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.search-toggle-btn {
  background: var(--gray-100);
  border: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}

.search-toggle-btn:hover {
  background: var(--primary);
  color: #ffffff;
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark);
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  font-size: 0.95rem;
  line-height: 1.2;
}

.btn-primary {
  background: linear-gradient(135deg, #ff7a1a 0%, #ff6600 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ff6600 0%, #e05a00 100%);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-secondary {
  background: linear-gradient(135deg, #0143a3 0%, #013989 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(1, 57, 137, 0.25);
}

.btn-secondary:hover {
  background: #012b66;
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-outline-primary {
  border-color: var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: #ffffff;
}

.btn-outline-white {
  border-color: #ffffff;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--dark);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
}

/* Hero Slider */
.hero-slider-section {
  position: relative;
  height: 600px;
  overflow: hidden;
  background: #000;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), transform 6s linear;
  transform: scale(1.04);
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(8, 14, 30, 0.88) 0%, rgba(8, 14, 30, 0.55) 60%, rgba(8, 14, 30, 0.2) 100%);
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 680px;
  color: #ffffff;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 102, 0, 0.2);
  color: #ff944d;
  border: 1px solid rgba(255, 102, 0, 0.4);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  color: #ffffff;
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--gray-200);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.slider-arrows {
  position: absolute;
  bottom: 2.5rem;
  right: 3rem;
  display: flex;
  gap: 0.75rem;
  z-index: 10;
}

.slider-arrow-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.1rem;
}

.slider-arrow-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
}

/* Feature Overlap Cards */
.features-overlap-bar {
  margin-top: -50px;
  position: relative;
  z-index: 20;
}

.feature-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.feature-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

/* Section Common Styling */
.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
}

.section-subtitle {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.25rem;
  color: var(--dark);
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--gray-500);
  font-size: 1rem;
}

/* Product Cards */
.product-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gray-300);
}

.product-image-wrap {
  position: relative;
  width: 100%;
  height: 230px;
  overflow: hidden;
  background: var(--gray-100);
}

.product-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  z-index: 2;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.product-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.product-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.product-title a:hover {
  color: var(--primary);
}

.product-desc {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.5;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-footer {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-100);
}

/* Collection Showcase Cards */
.collection-card {
  position: relative;
  height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: #ffffff;
  transition: var(--transition);
}

.collection-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.collection-overlay {
  position: relative;
  z-index: 2;
  background: linear-gradient(0deg, rgba(8, 14, 30, 0.95) 0%, rgba(8, 14, 30, 0.5) 70%, transparent 100%);
  margin: -2rem;
  padding: 2rem;
  width: calc(100% + 4rem);
}

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

.collection-overlay h3 {
  color: #ffffff;
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.collection-overlay p {
  color: var(--gray-300);
  font-size: 0.88rem;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Projects Cards */
.project-card {
  position: relative;
  height: 300px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem;
  background: linear-gradient(0deg, rgba(8, 14, 30, 0.92) 0%, rgba(8, 14, 30, 0.4) 70%, transparent 100%);
  color: #ffffff;
}

.project-meta {
  font-size: 0.78rem;
  color: var(--primary);
  font-weight: 600;
  display: block;
  margin-bottom: 0.25rem;
}

.project-info h4 {
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 700;
}

/* Brands Carousel / Grid */
.brand-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  height: 100px;
  transition: var(--transition);
}

.brand-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.brand-card img {
  max-height: 50px;
  max-width: 130px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: var(--transition);
}

.brand-card:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* Stats Counter Section */
.stats-section {
  background: #090e1f;
  color: #ffffff;
}

.stat-box {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--gray-300);
  font-weight: 500;
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background-color: #25d366;
  color: #ffffff;
  width: 58px;
  height: 58px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.85rem;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
  color: #ffffff;
}

/* Product Detail Page Styles */
.product-gallery-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 440px;
  background: #ffffff;
  border: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.product-gallery-main img {
  max-height: 100%;
  width: 100%;
  object-fit: cover;
}

.product-thumbs {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.thumb-item {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--gray-200);
  cursor: pointer;
  transition: var(--transition);
}

.thumb-item.active,
.thumb-item:hover {
  border-color: var(--primary);
}

.thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Mobile Nav & Quote Drawer */
.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1200;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.drawer-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: #ffffff;
  z-index: 1300;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav-drawer.open {
  right: 0 !important;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.drawer-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--gray-600);
  cursor: pointer;
}

.mobile-menu-list a {
  display: block;
  padding: 0.75rem 0;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--dark);
  border-bottom: 1px solid var(--gray-100);
}

.mobile-menu-list a:hover {
  color: var(--primary);
  padding-left: 0.5rem;
}

/* Search Modal */
.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(8, 14, 30, 0.85);
  backdrop-filter: blur(6px);
  z-index: 1400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.search-modal.show {
  opacity: 1;
  visibility: visible;
}

.search-modal-content {
  background: #ffffff;
  width: 100%;
  max-width: 600px;
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-xl);
}

.search-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--gray-500);
  cursor: pointer;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--gray-300);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: #ffffff;
  color: var(--dark);
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Utility Helpers */
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.flex-grow { flex-grow: 1; }

.block { display: block; }
.inline-block { display: inline-block; }
.relative { position: relative; }
.absolute { position: absolute; }
.overflow-hidden { overflow: hidden; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-12 { padding: 3rem; }

.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4.5rem; padding-bottom: 4.5rem; }

.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }

.m-0 { margin: 0; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.my-8 { margin-top: 2rem; margin-bottom: 2rem; }
.my-12 { margin-top: 3rem; margin-bottom: 3rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.w-8 { width: 2rem; }
.h-8 { height: 2rem; }
.w-10 { width: 2.5rem; }
.h-10 { height: 2.5rem; }
.w-12 { width: 3rem; }
.h-12 { height: 3rem; }
.w-14 { width: 3.5rem; }
.h-14 { height: 3.5rem; }
.w-16 { width: 4rem; }
.h-16 { height: 4rem; }

.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-4xl { max-width: 56rem; }

.rounded { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.border { border: 1px solid var(--gray-200); }
.border-t { border-top: 1px solid var(--gray-200); }
.border-b { border-bottom: 1px solid var(--gray-200); }
.border-gray-100 { border-color: var(--gray-100); }
.border-gray-200 { border-color: var(--gray-200); }
.border-gray-300 { border-color: var(--gray-300); }
.border-primary { border-color: var(--primary); }

.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }

.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.uppercase { text-transform: uppercase; }
.tracking-wide { letter-spacing: 0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }

.bg-white { background-color: #ffffff; }
.bg-light { background-color: var(--gray-50); }
.bg-primary { background-color: var(--primary); }
.bg-secondary { background-color: var(--secondary); }
.bg-dark { background-color: var(--dark); }

.text-white { color: #ffffff; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-dark { color: var(--dark); }
.text-muted { color: var(--gray-500); }
.text-gray-300 { color: var(--gray-300); }
.text-gray-400 { color: var(--gray-400); }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-800 { color: var(--gray-800); }

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .mobile-nav-toggle { display: block; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 2.5rem; }
}

@media (max-width: 768px) {
  .topbar { display: none; }
  .header-container { height: 70px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero-slider-section { height: 480px; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .features-overlap-bar { margin-top: 1.5rem; }
  .section-title { font-size: 1.75rem; }
  .slider-arrows { display: none; }
}