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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #60a5fa;
  --secondary: #10b981;
  --secondary-dark: #059669;
  --accent: #8b5cf6;
  --dark: #1e293b;
  --dark-light: #334155;
  --gray: #64748b;
  --gray-light: #f1f5f9;
  --light: #f8fafc;
  --white: #ffffff;
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #10b981;
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--light);
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

ul {
  list-style: none;
}

.highlight {
  color: var(--primary);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  color: var(--gray);
  margin-bottom: 3rem;
  font-size: 1.1rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}

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

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 5px solid var(--gray-light);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1.5rem;
}

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

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  padding: 15px 0;
  transition: var(--transition);
}

.site-header.scrolled {
  padding: 10px 0;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.site-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
}

.site-sub {
  font-size: 0.9rem;
  color: var(--gray);
}

.nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav a {
  font-weight: 500;
  color: var(--dark);
  position: relative;
  padding: 8px 0;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.nav a.active {
  color: var(--primary);
}

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
}

.btn-outline {
  padding: 10px 24px;
  border: 2px solid var(--primary);
  color: var(--primary);
  border-radius: var(--radius);
  font-weight: 600;
  transition: var(--transition);
}

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

.btn-sell {
  padding: 10px 20px;
  background: var(--secondary);
  color: var(--white);
  border-radius: var(--radius);
  font-weight: 600;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

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

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

.btn-cart {
  position: relative;
  width: 44px;
  height: 44px;
  background: var(--gray-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--dark);
  transition: var(--transition);
}

.btn-cart:hover {
  background: var(--primary);
  color: var(--white);
}

.cart-count {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--danger);
  color: var(--white);
  font-size: 0.7rem;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 30px;
  height: 24px;
  justify-content: center;
}

.mobile-toggle span {
  width: 100%;
  height: 3px;
  background: var(--dark);
  border-radius: 3px;
  transition: var(--transition);
}

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

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

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

/* Hero Section */
.hero {
  padding: 150px 0 80px;
  position: relative;
  overflow: hidden;
}

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

.hero-shape {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), transparent);
}

.hero-shape:nth-child(1) {
  width: 500px;
  height: 500px;
  top: -250px;
  right: -150px;
  opacity: 0.3;
}

.hero-shape:nth-child(2) {
  width: 300px;
  height: 300px;
  bottom: -150px;
  left: -100px;
  background: linear-gradient(135deg, var(--accent), transparent);
  opacity: 0.2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--dark);
}

.lead {
  font-size: 1.2rem;
  color: var(--gray);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn-primary {
  padding: 14px 32px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  padding: 14px 32px;
  background: var(--white);
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  background: var(--primary-light);
  color: var(--white);
  transform: translateY(-3px);
}

.search-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.search-input {
  display: flex;
  align-items: center;
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 0 1rem;
  margin-bottom: 1rem;
}

.search-input i {
  color: var(--gray);
}

.search-input input {
  flex: 1;
  padding: 15px;
  border: none;
  background: none;
  font-size: 1rem;
  color: var(--dark);
}

.search-input input:focus {
  outline: none;
}

.btn-search {
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
}

.btn-search:hover {
  background: var(--primary-dark);
}

.search-filters {
  display: flex;
  gap: 1rem;
}

.search-filters select {
  flex: 1;
  padding: 12px;
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--dark);
  font-size: 0.95rem;
  cursor: pointer;
}

.search-filters select:focus {
  outline: none;
  border-color: var(--primary);
}

.stats {
  display: flex;
  gap: 2rem;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--gray);
}

.hero-visual {
  position: relative;
}

.laptop-slider {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.slider-container {
  position: relative;
  height: 400px;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.slide.active {
  opacity: 1;
}

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

.slide-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: var(--white);
  padding: 1rem;
  backdrop-filter: blur(5px);
}

.slide-info h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: var(--white);
}

.slider-prev, .slider-next {
  width: 40px;
  height: 40px;
  background: var(--gray-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.slider-prev:hover, .slider-next:hover {
  background: var(--primary);
  color: var(--white);
}

.slider-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 10px;
  height: 10px;
  background: var(--gray-light);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}

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

/* Features */
.features {
  padding: 80px 0;
}

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

.feature {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

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

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--white);
  font-size: 1.8rem;
}

.feature h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

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

/* Listings */
.listings {
  padding: 80px 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.view-options {
  display: flex;
  gap: 0.5rem;
  background: var(--gray-light);
  padding: 5px;
  border-radius: var(--radius);
}

.view-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--gray);
  transition: var(--transition);
}

.view-btn.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

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

.cards-grid.view-list {
  grid-template-columns: 1fr;
}

.cards-grid.view-list .card {
  flex-direction: row;
}

.cards-grid.view-list .card-media {
  width: 300px;
  height: 200px;
}

.cards-grid.view-list .card-body {
  flex: 1;
}

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--secondary);
  color: var(--white);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 1;
}

.card-media {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.card:hover .card-media img {
  transform: scale(1.05);
}

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.card:hover .card-overlay {
  opacity: 1;
}

.btn-quick-view {
  padding: 10px 20px;
  background: var(--white);
  color: var(--dark);
  border-radius: var(--radius);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-quick-view:hover {
  background: var(--primary);
  color: var(--white);
}

.card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-category {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-title {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

.card-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--gray);
}

.card-specs span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.card-condition {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.condition-badge {
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.condition-excellent {
  background: #d1fae5;
  color: #065f46;
}

.condition-good {
  background: #fef3c7;
  color: #92400e;
}

.condition-fair {
  background: #fee2e2;
  color: #991b1b;
}

.card-stock {
  font-size: 0.9rem;
  color: var(--gray);
}

.card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.price {
  display: flex;
  flex-direction: column;
}

.price-current {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
}

.price-original {
  font-size: 1rem;
  color: var(--gray);
  text-decoration: line-through;
}

.card-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.btn-cart-add {
  width: 44px;
  height: 44px;
  background: var(--gray-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark);
  font-size: 1.2rem;
  transition: var(--transition);
}

.btn-cart-add:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-detail {
  padding: 10px 20px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius);
  font-weight: 600;
  transition: var(--transition);
}

.btn-detail:hover {
  background: var(--primary-dark);
}

.load-more {
  text-align: center;
  margin-top: 3rem;
}

.btn-load-more {
  padding: 12px 30px;
  background: var(--white);
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-load-more:hover {
  background: var(--primary);
  color: var(--white);
}

/* Testimonials */
.testimonials {
  padding: 80px 0;
  background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
}

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

.testi-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.testi-rating {
  color: var(--warning);
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.testi-text {
  font-size: 1.1rem;
  color: var(--dark);
  font-style: italic;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.testi-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testi-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.testi-author h4 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
  color: var(--dark);
}

.testi-author p {
  color: var(--gray);
  font-size: 0.9rem;
}

/* Sell CTA */
.sell-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark), var(--dark-light));
  color: var(--white);
}

.sell-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.sell-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.sell-content p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  line-height: 1.7;
}

.sell-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.sell-feature {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sell-feature i {
  color: var(--secondary);
  font-size: 1.2rem;
}

.btn-sell-now {
  background: var(--secondary);
  font-size: 1.1rem;
  padding: 16px 36px;
}

.btn-sell-now:hover {
  background: var(--secondary-dark);
}

.sell-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.sell-form h3 {
  color: var(--dark);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

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

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

.form-group input, 
.form-group select, 
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  font-size: 1rem;
  color: var(--dark);
  transition: var(--transition);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Contact */
.contact {
  padding: 80px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-card {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.contact-card p {
  color: var(--gray);
  margin-bottom: 0.5rem;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #25d366;
  color: var(--white);
  border-radius: var(--radius);
  font-weight: 600;
  margin-top: 0.5rem;
  transition: var(--transition);
}

.btn-whatsapp:hover {
  background: #128c7e;
}

.small {
  font-size: 0.85rem;
  opacity: 0.7;
}

.contact-form-container {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-grid .full {
  grid-column: 1 / -1;
}

.muted {
  color: var(--gray);
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: var(--white);
  padding: 60px 0 20px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  background: var(--white);
  color: var(--primary);
  margin-bottom: 1rem;
}

.footer-desc {
  color: rgba(255, 255, 255, 0.7);
  margin: 1rem 0 1.5rem;
  line-height: 1.7;
}

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

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
}

.payment-methods {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.payment-icons {
  display: flex;
  gap: 0.8rem;
  font-size: 1.5rem;
}

.copyright {
  text-align: right;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.copyright p {
  margin-bottom: 0.3rem;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

/* Cart Sidebar */
.cart-sidebar {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100%;
  background: var(--white);
  box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  transition: right 0.3s ease;
}

.cart-sidebar.open {
  right: 0;
}

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

.cart-header h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--dark);
}

.cart-close {
  font-size: 2rem;
  color: var(--gray);
  transition: var(--transition);
}

.cart-close:hover {
  color: var(--danger);
}

.cart-body {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
}

.cart-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--gray);
}

.cart-empty i {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.3;
}

.cart-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--gray-light);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
}

.btn-checkout {
  width: 100%;
  padding: 15px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition);
}

.btn-checkout:hover:not(:disabled) {
  background: var(--primary-dark);
}

.btn-checkout:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1002;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 2rem;
  color: var(--gray);
  z-index: 1;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--danger);
}

.modal-body {
  padding: 2rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    gap: 2rem;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .section-title {
    font-size: 2.2rem;
  }
  
  .sell-inner, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .lead {
    font-size: 1.1rem;
  }
  
  .hero-cta {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .stats {
    justify-content: center;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
  
  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
  }
  
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .header-actions {
    gap: 0.5rem;
  }
  
  .btn-outline, .btn-sell {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
  
  .search-filters {
    flex-direction: column;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
  
  .cart-sidebar {
    width: 100%;
    right: -100%;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }
  
  .btn-primary, .btn-secondary {
    padding: 12px 24px;
    font-size: 0.95rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .card-specs {
    grid-template-columns: 1fr;
  }
  
  .testi-grid {
    grid-template-columns: 1fr;
  }
}