/* CHIPOCARS - Stunning Modern 3D Design */
/* ====================================== */

:root {
  /* Premium Color Palette */
  --primary: #0a0a1a;
  --primary-light: #141432;
  --primary-dark: #050510;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-dark: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.25);
  --accent-glow-strong: rgba(99, 102, 241, 0.5);
  --secondary: #06b6d4;
  --secondary-light: #22d3ee;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  /* Neutral Colors */
  --white: #ffffff;
  --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;
  
  /* Glass Effect */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  /* Premium Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-dark: linear-gradient(180deg, #0a0a1a 0%, #141432 50%, #1e1e3f 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.02) 100%);
  --gradient-shine: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
  --gradient-mesh: radial-gradient(at 40% 20%, #6366f1 0px, transparent 50%),
                   radial-gradient(at 80% 0%, #06b6d4 0px, transparent 50%),
                   radial-gradient(at 0% 50%, #8b5cf6 0px, transparent 50%);
  
  /* 3D Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.2), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.2), 0 8px 10px -6px rgba(0,0,0,0.1);
  --shadow-lg: 0 25px 50px -12px rgba(0,0,0,0.3);
  --shadow-xl: 0 35px 60px -15px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 60px var(--accent-glow);
  --shadow-glow-strong: 0 0 80px var(--accent-glow-strong), 0 0 120px var(--accent-glow);
  --shadow-3d: 0 20px 40px rgba(0,0,0,0.3), 0 0 80px var(--accent-glow);
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-2xl: 2.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--primary);
  color: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(3rem, 6vw, 5rem); }
h2 { font-size: clamp(2.25rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
h4 { font-size: clamp(1.125rem, 1.5vw, 1.25rem); }

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============ ANIMATED BACKGROUND ============ */
.animated-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--primary);
  overflow: hidden;
}

.animated-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--gradient-mesh);
  opacity: 0.3;
  animation: meshMove 20s ease-in-out infinite;
}

.animated-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, var(--primary) 70%);
}

@keyframes meshMove {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(5%, 5%) rotate(5deg); }
  50% { transform: translate(0, 10%) rotate(0deg); }
  75% { transform: translate(-5%, 5%) rotate(-5deg); }
}

/* Floating Particles */
.particles {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.3;
  animation: float 15s infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.3; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-100vh) scale(1); opacity: 0; }
}

/* ============ NAVBAR ============ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(10, 10, 26, 0.7);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 0.75rem 0;
  background: rgba(10, 10, 26, 0.95);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--white);
  position: relative;
}

.logo img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
  transition: var(--transition);
}

.logo:hover img {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-glow-strong);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-links a {
  position: relative;
  font-weight: 500;
  color: var(--gray-300);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  transition: var(--transition);
  overflow: hidden;
}

.nav-links a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
  border-radius: inherit;
}

.nav-links a:hover {
  color: var(--white);
}

.nav-links a:hover::before {
  opacity: 0.1;
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 0.75rem;
  transition: var(--transition);
}

.menu-toggle:hover {
  background: var(--accent-glow);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  border-radius: 2px;
  transition: var(--transition);
}

@media (max-width: 768px) {
  .menu-toggle { display: block; }
  
  .nav-links {
    position: fixed;
    top: 80px;
    left: 1rem;
    right: 1rem;
    background: rgba(20, 20, 50, 0.98);
    -webkit-backdrop-filter: blur(30px);
    backdrop-filter: blur(30px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-3d);
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-links a {
    width: 100%;
    text-align: center;
    padding: 1rem;
  }
}

/* ============ BUTTONS ============ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition: var(--transition);
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-shine);
  transform: translateX(-100%);
  transition: var(--transition-slow);
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 40px var(--accent-glow-strong);
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--glass-border);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  box-shadow: var(--shadow-glow);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #34d399);
  color: var(--white);
  box-shadow: 0 8px 30px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(16, 185, 129, 0.4);
}

.btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

.btn-icon {
  width: 56px;
  height: 56px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ============ HERO ============ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 10rem 0 6rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: -30%;
  width: 80%;
  height: 100%;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 60%);
  animation: heroGlow 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--primary), transparent);
  pointer-events: none;
}

@keyframes heroGlow {
  0%, 100% { transform: scale(1) translateX(0); opacity: 0.5; }
  50% { transform: scale(1.2) translateX(-10%); opacity: 0.8; }
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1.25rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 2rem;
  animation: badgePulse 3s ease-in-out infinite;
}

.hero-badge i {
  color: var(--accent-light);
}

@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { box-shadow: 0 0 20px 5px var(--accent-glow); }
}

.hero h1 {
  margin-bottom: 1.5rem;
  animation: fadeSlideUp 1s ease;
}

.hero p {
  font-size: 1.25rem;
  color: var(--gray-400);
  margin-bottom: 2.5rem;
  max-width: 520px;
  line-height: 1.8;
  animation: fadeSlideUp 1s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeSlideUp 1s ease 0.4s both;
}

/* Hero 3D Car */
.hero-visual {
  position: relative;
  perspective: 1000px;
}

.hero-3d-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transform-style: preserve-3d;
  animation: float3d 6s ease-in-out infinite;
  box-shadow: var(--shadow-3d);
}

.hero-3d-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glass);
  border-radius: inherit;
  z-index: 1;
}

.hero-3d-card img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: var(--transition-slow);
}

.hero-3d-card:hover img {
  transform: scale(1.05);
}

@keyframes float3d {
  0%, 100% { transform: rotateY(-5deg) rotateX(5deg) translateY(0); }
  50% { transform: rotateY(5deg) rotateX(-5deg) translateY(-20px); }
}

/* Floating Stats */
.hero-stats {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
}

.stat-card {
  background: rgba(20, 20, 50, 0.95);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  text-align: center;
  animation: slideInRight 1s ease both;
  box-shadow: var(--shadow-lg);
}

.stat-card:nth-child(1) { animation-delay: 0.5s; }
.stat-card:nth-child(2) { animation-delay: 0.7s; }
.stat-card:nth-child(3) { animation-delay: 0.9s; }

.stat-card .number {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card .label {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: 0.25rem;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero p { margin: 0 auto 2.5rem; }
  .hero-buttons { justify-content: center; }
  .hero-visual { display: none; }
}

/* ============ FEATURES ============ */
.features {
  padding: 8rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--accent-glow);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 1.5rem;
}

.section-header p {
  color: var(--gray-400);
  font-size: 1.125rem;
  margin-top: 1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  position: relative;
  padding: 2.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  transition: var(--transition);
  overflow: hidden;
}

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

.feature-card:hover {
  transform: translateY(-10px);
  border-color: var(--accent-glow);
  box-shadow: var(--shadow-3d);
}

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

.feature-icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px var(--accent-glow);
}

.feature-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-shine);
  transform: translateX(-100%);
  animation: iconShine 3s ease-in-out infinite;
}

@keyframes iconShine {
  0%, 100% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
}

.feature-icon i {
  font-size: 1.75rem;
  color: var(--white);
  position: relative;
  z-index: 1;
}

.feature-card h3 {
  margin-bottom: 1rem;
  color: var(--white);
}

.feature-card p {
  color: var(--gray-400);
  line-height: 1.7;
}

/* ============ CARS PREVIEW ============ */
.cars-preview {
  padding: 8rem 0;
  position: relative;
}

.cars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.car-card {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  transform-style: preserve-3d;
}

.car-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glass);
  opacity: 0;
  transition: var(--transition);
  z-index: 1;
  pointer-events: none;
}

.car-card:hover {
  transform: translateY(-15px) scale(1.02);
  border-color: var(--accent);
  box-shadow: var(--shadow-3d);
}

.car-card:hover::before {
  opacity: 1;
}

.car-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: var(--transition-slow);
}

.car-card:hover img {
  transform: scale(1.1);
}

.car-card-body {
  position: relative;
  padding: 1.75rem;
  z-index: 2;
}

.car-card h3 {
  margin-bottom: 0.5rem;
  color: var(--white);
}

.car-card .category,
.car-category {
  color: var(--gray-400);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.car-features {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.car-feature {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--gray-300);
  transition: var(--transition);
}

.car-feature:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
}

.car-feature i {
  color: var(--accent-light);
  font-size: 0.75rem;
}

.car-specs {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.car-spec {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--gray-400);
}

.car-spec i {
  color: var(--accent-light);
}

.car-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--glass-border);
}

.car-price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.car-price .amount {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.car-price .period {
  color: var(--gray-500);
  font-size: 0.875rem;
}

.btn-book {
  padding: 0.75rem 1.5rem;
}

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

/* ============ CTA ============ */
.cta {
  padding: 8rem 0;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.1;
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta h2 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.cta p {
  color: var(--gray-300);
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============ CONTACT ============ */
.contact {
  padding: 8rem 0;
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h2 {
  margin-bottom: 1rem;
  color: var(--white);
}

.contact-info > p {
  color: var(--gray-400);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  transition: var(--transition);
}

.contact-item:hover {
  transform: translateX(10px);
  border-color: var(--accent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-glow);
}

.contact-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  color: var(--white);
  font-size: 1.25rem;
  box-shadow: 0 8px 20px var(--accent-glow);
}

.contact-item h4 {
  font-size: 0.875rem;
  color: var(--gray-400);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.contact-item a {
  font-weight: 600;
  color: var(--white);
  transition: var(--transition);
}

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

.contact-form {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--gray-300);
}

.form-control {
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--white);
  background: rgba(255, 255, 255, 0.03);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.form-control::placeholder {
  color: var(--gray-500);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.05);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

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

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ============ FOOTER ============ */
.footer {
  padding: 4rem 0;
  background: rgba(5, 5, 16, 0.8);
  border-top: 1px solid var(--glass-border);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer p {
  color: var(--gray-500);
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: var(--gray-400);
  font-weight: 500;
  transition: var(--transition);
}

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

/* ============ PAGE HEADER ============ */
.page-header {
  padding: 10rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 150%;
  height: 100%;
  background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 60%);
  opacity: 0.5;
}

.page-header h1 {
  position: relative;
  z-index: 1;
  margin-bottom: 1rem;
}

.page-header p {
  position: relative;
  z-index: 1;
  color: var(--gray-400);
  font-size: 1.25rem;
}

/* ============ UTILITIES ============ */
.hidden { display: none !important; }

.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--glass-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  box-shadow: var(--shadow-glow);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Animations */
@keyframes fadeSlideUp {
  from { 
    opacity: 0; 
    transform: translateY(40px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

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

.animate-in {
  animation: fadeSlideUp 0.8s ease forwards;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Glowing Border Animation */
@keyframes glowBorder {
  0%, 100% { 
    box-shadow: 0 0 20px var(--accent-glow);
  }
  50% { 
    box-shadow: 0 0 40px var(--accent-glow-strong), 0 0 60px var(--accent-glow);
  }
}

.glow-border {
  animation: glowBorder 3s ease-in-out infinite;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-light);
}

/* Selection */
::selection {
  background: var(--accent);
  color: var(--white);
}

/* ============ MOBILE RESPONSIVE ============ */
@media (max-width: 768px) {
  /* Base */
  html { font-size: 14px; }
  
  .container { padding: 0 1rem; }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
  
  /* Navbar Mobile */
  .navbar { padding: 0.75rem 0; }
  
  .navbar .container {
    padding: 0 1rem;
  }
  
  .logo img { height: 36px; }
  .logo span { font-size: 1.1rem; }
  
  .menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
  }
  
  .menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 26, 0.98);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  
  .nav-links.active {
    opacity: 1;
    visibility: visible;
  }
  
  .nav-links a {
    font-size: 1.5rem;
    padding: 1rem 2rem;
  }
  
  /* Hero Mobile */
  .hero {
    padding: 7rem 0 3rem;
    min-height: 0;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .hero-text h1 {
    font-size: 2rem;
    line-height: 1.2;
  }
  
  .hero-text p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
    padding: 1rem;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .hero-3d-card {
    max-width: 100%;
    transform: none;
  }
  
  .hero-3d-card img {
    height: 200px;
  }
  
  .hero-stats {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    flex-direction: row;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
  }
  
  .stat-card {
    padding: 0.75rem 1rem;
    min-width: 90px;
  }
  
  .stat-card .number { font-size: 1.25rem; }
  .stat-card .label { font-size: 0.65rem; }
  
  /* Sections Mobile */
  .features,
  .cars-preview,
  .cta,
  .contact {
    padding: 4rem 0;
  }
  
  .section-badge {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
    margin-bottom: 1rem;
  }
  
  /* Features Mobile */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .feature-card {
    padding: 1.5rem;
  }
  
  .feature-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }
  
  /* Cars Grid Mobile */
  .cars-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  
  .car-card img {
    height: 180px;
  }
  
  .car-card-body {
    padding: 1.25rem;
  }
  
  .car-card-body h3 { font-size: 1.1rem; }
  
  .car-features {
    gap: 0.5rem;
  }
  
  .car-feature {
    font-size: 0.7rem;
    padding: 0.35rem 0.6rem;
  }
  
  .car-footer {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }
  
  .car-price {
    text-align: center;
  }
  
  .car-price .amount { font-size: 1.5rem; }
  
  .btn-book {
    width: 100%;
    justify-content: center;
    padding: 0.875rem;
  }
  
  /* CTA Mobile */
  .cta-content {
    padding: 0 0.5rem;
  }
  
  .cta h2 { font-size: 1.5rem; }
  .cta p { font-size: 1rem; }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .cta-buttons .btn {
    width: 100%;
  }
  
  /* Contact Mobile */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .contact-form {
    padding: 1.5rem;
  }
  
  .contact-item {
    padding: 1rem;
  }
  
  .contact-item:hover {
    transform: translateX(5px);
  }
  
  .contact-icon {
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
  }
  
  /* Footer Mobile */
  .footer {
    padding: 2rem 0;
    text-align: center;
  }
  
  .footer .container {
    flex-direction: column;
    gap: 1rem;
  }
  
  .footer-links {
    gap: 1.5rem;
  }
  
  /* Page Header Mobile */
  .page-header {
    padding: 7rem 0 2rem;
  }
  
  .page-header h1 { font-size: 1.75rem; }
  .page-header p { font-size: 1rem; }
  
  /* Buttons Mobile */
  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
  }
  
  .btn-lg {
    padding: 1rem 1.75rem;
    font-size: 1rem;
  }
  
  /* Forms Mobile */
  .form-control {
    padding: 0.875rem 1rem;
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  /* Particles - reduce on mobile */
  .particle {
    width: 3px;
    height: 3px;
    opacity: 0.3;
  }
}

/* ============ CHATBOT ============ */
#chatbot-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9998;
  font-family: inherit;
}

.chat-toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.chat-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.5);
}

.chat-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 22px;
  height: 22px;
  background: var(--success);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.chat-window {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 380px;
  max-height: 550px;
  background: var(--primary-light);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-window.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.chat-header {
  padding: 1rem 1.25rem;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-avatar {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.chat-header h4 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
}

.chat-header .status {
  font-size: 0.75rem;
  opacity: 0.9;
  color: #4ade80;
}

.chat-close {
  background: rgba(255, 255, 255, 0.15);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: var(--transition);
}

.chat-close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.chat-messages {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 380px;
  background: var(--primary);
}

.message {
  display: flex;
  max-width: 85%;
}

.message.user {
  align-self: flex-end;
}

.message.bot {
  align-self: flex-start;
}

.message-content {
  padding: 0.875rem 1rem;
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  line-height: 1.5;
}

.message.user .message-content {
  background: var(--gradient-primary);
  color: white;
  border-bottom-right-radius: 4px;
}

.message.bot .message-content {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--gray-200);
  border-bottom-left-radius: 4px;
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.quick-btn {
  padding: 0.5rem 0.875rem;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--accent-light);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.quick-btn:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.chat-link {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: white !important;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  transition: var(--transition);
}

.chat-link:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}

.typing-dots {
  display: flex;
  gap: 4px;
  padding: 4px 0;
}

.typing-dots span {
  width: 8px;
  height: 8px;
  background: var(--gray-500);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-8px); }
}

.chat-input-area {
  padding: 1rem;
  background: var(--primary-light);
  border-top: 1px solid var(--glass-border);
  display: flex;
  gap: 0.75rem;
}

.chat-input-area input {
  flex: 1;
  padding: 0.875rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--white);
  font-size: 0.9rem;
  transition: var(--transition);
}

.chat-input-area input::placeholder {
  color: var(--gray-500);
}

.chat-input-area input:focus {
  outline: none;
  border-color: var(--accent);
}

.chat-input-area button {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: var(--transition);
}

.chat-input-area button:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}

/* ============ LANGUAGE SELECTOR ============ */
.lang-selector {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 9999;
}

[dir="rtl"] .lang-selector {
  left: auto;
  right: 20px;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
}

.lang-btn .lang-flag {
  font-size: 1.25rem;
}

.lang-btn .lang-code {
  font-size: 0.8rem;
}

.lang-btn i {
  font-size: 0.7rem;
  transition: var(--transition);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 180px;
  background: var(--primary-light);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
}

[dir="rtl"] .lang-dropdown {
  left: auto;
  right: 0;
}

.lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--gray-300);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}

[dir="rtl"] .lang-option {
  text-align: right;
}

.lang-option:hover {
  background: var(--accent-glow);
  color: var(--white);
}

.lang-option.active {
  background: var(--accent-glow);
  color: var(--accent-light);
}

.lang-option .lang-flag {
  font-size: 1.25rem;
}

/* Language Selector Mobile */
@media (max-width: 768px) {
  .lang-selector {
    top: 18px;
    left: auto;
    right: 60px;
  }
  
  [dir="rtl"] .lang-selector {
    left: 60px;
    right: auto;
  }
  
  .lang-btn {
    padding: 0.4rem 0.6rem;
    font-size: 0.8rem;
  }
  
  .lang-btn .lang-code {
    display: none;
  }
  
  .lang-btn .lang-flag {
    font-size: 1.1rem;
  }
  
  .lang-btn i {
    font-size: 0.6rem;
  }
  
  .lang-dropdown {
    min-width: 150px;
    left: auto;
    right: 0;
  }
  
  [dir="rtl"] .lang-dropdown {
    left: 0;
    right: auto;
  }
}

/* Chatbot Mobile */
@media (max-width: 768px) {
  #chatbot-widget {
    bottom: 16px;
    right: 16px;
  }
  
  .chat-toggle {
    width: 54px;
    height: 54px;
    font-size: 1.3rem;
  }
  
  .chat-window {
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    max-height: 85vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }
  
  .chat-messages {
    max-height: calc(85vh - 140px);
  }
}

/* Extra small devices */
@media (max-width: 480px) {
  html { font-size: 13px; }
  
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  
  .hero-text h1 { font-size: 1.75rem; }
  
  .hero-3d-card img { height: 160px; }
  
  .stat-card {
    padding: 0.6rem 0.75rem;
    min-width: 80px;
  }
  
  .stat-card .number { font-size: 1.1rem; }
  
  .car-card img { height: 160px; }
  
  .feature-card { padding: 1.25rem; }
  
  .contact-form { padding: 1.25rem; }
}