/* Mobile-First Car Sales Website - Prosperity Auto Nigeria */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* CSS Variables for Theme */
:root {
  --primary-bg: #ffffff;
  --secondary-bg: #f8f9fa;
  --text-primary: #333333;
  --text-secondary: #666666;
  --accent-color: #007bff;
  --accent-hover: #0056b3;
  --border-color: #e9ecef;
  --shadow: rgba(0, 0, 0, 0.1);
  --navbar-bg: rgba(255, 255, 255, 0.95);
  --sidebar-bg: rgba(255, 255, 255, 0.9);
  --overlay-bg: rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] {
  --primary-bg: #1a1a1a;
  --secondary-bg: #2d2d2d;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --accent-color: #ffd700;
  --accent-hover: #ffed4e;
  --border-color: #444444;
  --shadow: rgba(255, 255, 255, 0.1);
  --navbar-bg: rgba(26, 26, 26, 0.95);
  --sidebar-bg: rgba(45, 45, 45, 0.9);
  --overlay-bg: rgba(0, 0, 0, 0.7);
}

/* Global Styles - Mobile First */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--primary-bg);
  transition: all 0.3s ease;
  overflow-x: hidden;
}

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

/* Header & Navigation - Mobile First */
.header {
  position: sticky;
  top: 0;
  background: var(--navbar-bg);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  padding: 0.8rem 1rem;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-color);
  text-decoration: none;
}

.nav-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--sidebar-bg);
  backdrop-filter: blur(20px);
  transition: right 0.3s ease;
  padding: 2rem 1.5rem;
  z-index: 1001;
  border-left: 1px solid var(--border-color);
}

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

.nav-menu ul {
  list-style: none;
  padding-top: 2rem;
}

.nav-menu li {
  margin-bottom: 1.5rem;
}

.nav-menu a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  transition: color 0.3s ease;
  display: block;
  padding: 0.5rem 0;
}

.nav-menu a:hover {
  color: var(--accent-color);
}

.hamburger {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  z-index: 1002;
}

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

.hamburger.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--accent-color);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.5rem;
  margin-bottom: 1rem;
  transition: color 0.3s ease;
}

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

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay-bg);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  background: var(--accent-color);
  color: white;
  text-decoration: none;
  border-radius: 25px;
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
}

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

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

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

/* Hero Section */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1503376780353-7e6692767b70?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
  background-size: cover;
  background-position: center;
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding: 2rem 1rem;
  text-align: center;
  color: white;
}

.hero-content {
  max-width: 600px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Sections */
.section {
  padding: 3rem 1rem;
}

.section-title {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

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

/* Featured Cars Grid */
.cars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.featured-cars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
.car-card {
  background: var(--secondary-bg);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px var(--shadow);
  transition: transform 0.3s ease;
}

.car-card:hover {
  transform: translateY(-5px);
}

.car-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.car-info {
  padding: 1.5rem;
}

.car-info h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.car-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.car-details {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.service-card {
  background: var(--secondary-bg);
  padding: 2rem 1.5rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 15px var(--shadow);
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
}

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

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.gallery-item {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px var(--shadow);
}

.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  padding: 1.5rem 1rem 1rem;
  font-weight: 500;
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.blog-card {
  background: var(--secondary-bg);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px var(--shadow);
  transition: transform 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-5px);
}

.blog-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-content {
  padding: 1.5rem;
}

.blog-date {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.blog-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.blog-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* Filter Bar */
.filter-bar {
  background: var(--secondary-bg);
  padding: 1.5rem 1rem;
  border-radius: 15px;
  margin-bottom: 2rem;
}

.filter-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.filter-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.filter-group select,
.filter-group input {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--primary-bg);
  color: var(--text-primary);
  font-size: 0.9rem;
}

/* Car Details Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay-bg);
  z-index: 2000;
  display: none;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--primary-bg);
  border-radius: 15px;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--accent-color);
  color: white;
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  z-index: 2001;
}

.modal-images {
  position: relative;
}

.modal-images img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.modal-body {
  padding: 1.5rem;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.modal-price {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
}

.modal-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.spec-item {
  background: var(--secondary-bg);
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
}

.spec-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.spec-value {
  font-weight: 600;
  color: var(--text-primary);
}

/* Contact Form */
.contact-form {
  background: var(--secondary-bg);
  padding: 2rem 1.5rem;
  border-radius: 15px;
  margin-bottom: 2rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--primary-bg);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Contact Info */
.contact-info {
  background: var(--secondary-bg);
  padding: 2rem 1.5rem;
  border-radius: 15px;
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.contact-icon {
  font-size: 1.5rem;
  margin-right: 1rem;
  color: var(--accent-color);
}

.contact-details h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.contact-details p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Map */
.map-container {
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 15px var(--shadow);
  margin-bottom: 2rem;
}

.map-container iframe {
  width: 100%;
  height: 300px;
  border: none;
}

/* Footer */
.footer {
  background: var(--secondary-bg);
  padding: 3rem 1rem 1.5rem;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-section {
  margin-bottom: 2rem;
}

.footer-section h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

.social-links a {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: var(--accent-color);
  color: white;
  text-align: center;
  line-height: 40px;
  border-radius: 50%;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.social-links a:hover {
  background: var(--accent-hover);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Newsletter */
.newsletter {
  background: var(--accent-color);
  padding: 2rem 1rem;
  text-align: center;
  color: white;
}

.newsletter h3 {
  margin-bottom: 1rem;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 400px;
  margin: 0 auto;
}

.newsletter-form input {
  padding: 0.8rem;
  border: none;
  border-radius: 25px;
  font-size: 0.9rem;
}

.newsletter-form button {
  background: white;
  color: var(--accent-color);
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.newsletter-form button:hover {
  background: #f8f9fa;
}

/* Responsive Design - Tablet */
@media (min-width: 768px) {
  .hamburger {
    display: none;
  }
  
  .nav-menu {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    backdrop-filter: none;
    padding: 0;
    border: none;
    display: flex;
    align-items: center;
  }
  
  .nav-menu ul {
    display: flex;
    padding: 0;
    margin: 0;
    gap: 2rem;
  }
  
  .nav-menu li {
    margin: 0;
  }
  
  .theme-toggle {
    margin: 0;
    margin-left: 2rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .cars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .featured-cars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .filter-row {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .newsletter-form {
    flex-direction: row;
  }
  
  .newsletter-form input {
    flex: 1;
  }
  
  .newsletter-form button {
    flex-shrink: 0;
  }
  
  .modal-content {
    max-width: 700px;
  }
  
  .modal-specs {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Responsive Design - Desktop */
@media (min-width: 1024px) {
  .header {
    padding: 1rem 2rem;
  }
  
  .section {
    padding: 4rem 2rem;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .hero h1 {
    font-size: 3rem;
  }
  
  .hero p {
    font-size: 1.2rem;
  }
  
  .cars-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .featured-cars-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .filter-row {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .footer {
    text-align: left;
  }
  
  .footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }
  
  .footer-section {
    margin-bottom: 0;
  }
  
  .footer-bottom {
    grid-column: 1 / -1;
    text-align: center;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.hidden {
  display: none;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}