/* CSS Variables for Theme */
:root {
  --primary-color: #2dd4bf;
  --primary-dark: #0d9488;
  --secondary-color: #1e293b;
  --accent-color: #f59e0b;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e5e7eb;
  --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-heavy: 0 20px 25px rgba(0, 0, 0, 0.1);
  --gradient-primary: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  --gradient-glass: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] {
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #334155;
  --border-color: #475569;
  --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-heavy: 0 20px 25px rgba(0, 0, 0, 0.3);
  --gradient-glass: rgba(255, 255, 255, 0.05);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: all 0.3s ease;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.95);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo {
  height: 40px;
  width: auto;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  position: relative;
  transition: color 0.3s ease;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

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

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  background: none;
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.floating-parts {
  position: absolute;
  width: 100%;
  height: 100%;
}

.part {
  position: absolute;
  background: var(--gradient-primary);
  border-radius: 10px;
  opacity: 0.1;
}

.part-1 {
  width: 80px;
  height: 80px;
  top: 20%;
  left: 10%;
  animation: float 6s ease-in-out infinite;
}

.part-2 {
  width: 60px;
  height: 60px;
  top: 60%;
  right: 15%;
  animation: float 8s ease-in-out infinite reverse;
}

.part-3 {
  width: 100px;
  height: 40px;
  top: 40%;
  left: 80%;
  animation: float 7s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero-text {
  animation: slideInLeft 1s ease-out;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.title-line {
  display: block;
}

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

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 12px 24px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-heavy);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: slideInRight 1s ease-out;
}

/* Manufacturers Showcase */
.manufacturers-showcase {
  width: 100%;
  max-width: 600px;
  height: 500px;
  position: relative;
}

.showcase-container {
  width: 100%;
  height: 420px;
  position: relative;
  perspective: 1200px;
}

.manufacturer-card {
  position: absolute;
  width: 100%;
  height: 100%;
  background: var(--bg-card);
  border-radius: 25px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  opacity: 0;
  transform: translateX(120px) rotateY(45deg) scale(0.9);
  transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.manufacturer-card.active {
  opacity: 1;
  transform: translateX(0) rotateY(0deg) scale(1);
  z-index: 10;
  box-shadow: 0 30px 60px rgba(45, 212, 191, 0.2);
}

.manufacturer-card.prev {
  opacity: 0.4;
  transform: translateX(-80px) rotateY(-25deg) scale(0.85);
  z-index: 5;
}

.manufacturer-card.next {
  opacity: 0.4;
  transform: translateX(80px) rotateY(25deg) scale(0.85);
  z-index: 5;
}

.card-image {
  height: 75%;
  overflow: hidden;
  position: relative;
  /* background: var(--gradient-primary); */
  border-radius: 25px 25px 0 0;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

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

.card-image::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    45deg,
    rgba(45, 212, 191, 0.1),
    rgba(13, 148, 136, 0.1)
  );
  z-index: 1;
}

.card-info {
  margin-top: 10px;
  /* padding: 2rem; */
  text-align: center;
  position: relative;
  z-index: 2;
  background: var(--bg-card);
  border-radius: 0 0 25px 25px;
}

.card-info h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-info p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.5;
}

.showcase-controls {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.control-btn {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 8px 12px;
  background: transparent;
  border: 2px solid var(--border-color);
  border-radius: 25px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.control-btn:hover,
.control-btn.active {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: rgba(45, 212, 191, 0.1);
}

.control-btn .btn-icon {
  font-size: 1rem;
}

.control-btn .btn-text {
  font-size: 0.75rem;
}

.showcase-indicators {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-color);
  cursor: pointer;
  transition: all 0.3s ease;
}

.indicator.active {
  background: var(--primary-color);
  transform: scale(1.2);
}

.indicator:hover {
  background: var(--primary-color);
  opacity: 0.7;
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-arrow {
  width: 30px;
  height: 30px;
  border: 2px solid var(--primary-color);
  border-top: none;
  border-right: none;
  transform: rotate(-45deg);
  animation: bounce 2s infinite;
}

/* Features Section */
.features {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
}

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

.feature-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: white;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Products Preview */
.products-preview {
  padding: 100px 0;
  background: var(--bg-primary);
}

.vehicle-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.category-card {
  background: var(--bg-card);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.category-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
}

.category-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.category-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

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

.category-content {
  padding: 1.5rem;
}

.category-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.category-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.category-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.category-link:hover {
  gap: 1rem;
}

.category-link::after {
  content: "→";
  transition: transform 0.3s ease;
}

.category-link:hover::after {
  transform: translateX(5px);
}

/* Footer */
.footer {
  background: var(--secondary-color);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
}

.footer-logo img {
  height: 40px;
}

.footer-logo span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.footer-section h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: #d1d5db;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--primary-color);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: #d1d5db;
}

.contact-info i {
  color: var(--primary-color);
  width: 20px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--bg-card);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-medium);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .hero {
    padding-top: 70px;
    min-height: 100vh;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
    padding: 2rem 20px;
  }

  .hero-text {
    padding-top: 1rem;
  }

  .hero-title {
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: 1rem;
  }

  .hero-description {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .manufacturers-showcase {
    width: 100%;
    max-width: 350px;
    height: 400px;
    margin: 0 auto;
  }

  .showcase-container {
    height: 320px;
  }

  .card-info h3 {
    font-size: 1.3rem;
  }

  .card-info p {
    font-size: 0.9rem;
  }

  .control-btn .btn-text {
    display: none;
  }

  .control-btn {
    padding: 8px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    justify-content: center;
  }

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

  .vehicle-categories {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    justify-content: center;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}