* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #dc2626;
  --secondary: #2563eb;
  --accent1: #f59e0b;
  --accent2: #10b981;
  --accent3: #7c3aed;
  --accent4: #ec4899;
  --dark: #1f2937;
  --light: #f9fafb;
  --gray: #6b7280;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--light);
}

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

header {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  padding: 1rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  text-decoration: none;
  color: white;
}

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

nav a {
  color: white;
  text-decoration: none;
  transition: opacity 0.3s;
}

nav a:hover {
  opacity: 0.8;
}

.hero {
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/hero-auto-parts.jpg');
  background-size: cover;
  background-position: center;
  color: white;
  text-align: center;
  padding: 150px 20px 100px;
  margin-top: 60px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 5px;
  transition: transform 0.3s, box-shadow 0.3s;
  font-weight: bold;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.btn-secondary {
  background: var(--secondary);
}

section {
  padding: 80px 20px;
}

section:nth-child(even) {
  background: white;
}

h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  border-top: 4px solid var(--primary);
}

.service-card:nth-child(2) { border-top-color: var(--secondary); }
.service-card:nth-child(3) { border-top-color: var(--accent1); }
.service-card:nth-child(4) { border-top-color: var(--accent2); }
.service-card:nth-child(5) { border-top-color: var(--accent3); }
.service-card:nth-child(6) { border-top-color: var(--accent4); }

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

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

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text {
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-image {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
}

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

.feature {
  text-align: center;
  padding: 2rem;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

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

.cta {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  text-align: center;
  padding: 80px 20px;
}

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

.cta p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

footer {
  background: var(--dark);
  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-section h3 {
  margin-bottom: 1rem;
  color: var(--primary);
}

.footer-section p, .footer-section a {
  color: #d1d5db;
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
}

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

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

.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 40px;
  right: 40px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .services-grid, .features-grid {
    grid-template-columns: 1fr;
  }
}