:root {
  /* Color System */
  --color-primary: #1c2538;
  --color-primary-light: #2c3a56;
  --color-primary-dark: #101624;
  
  --color-secondary: #d4af37;
  --color-secondary-light: #e6c860;
  --color-secondary-dark: #b39020;
  
  --color-accent: #7851a9;
  --color-accent-light: #9872c7;
  --color-accent-dark: #5f3d8c;
  
  --color-success: #2e7d32;
  --color-warning: #ed6c02;
  --color-error: #d32f2f;
  
  --color-gray-100: #f8f9fa;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #6c757d;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  
  --color-white: #ffffff;
  --color-black: #000000;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
  --font-size-base: 16px;
  --line-height-body: 1.5;
  --line-height-heading: 1.2;
  
  /* Spacing - Using 8px system */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-7: 56px;
  --space-8: 64px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  
  /* Container widths */
  --container-max-width: 1200px;
}

/* Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: var(--line-height-body);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  margin: 0;
  padding: 0;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--line-height-heading);
  margin-top: 0;
  margin-bottom: var(--space-2);
  color: var(--color-primary);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-top: 0;
  margin-bottom: var(--space-2);
}

button {
  cursor: pointer;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}

section {
  padding: var(--space-6) 0;
}

/* Header */
.header {
  background-color: var(--color-primary);
  padding: var(--space-2) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.header .container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.logo {
  height: 48px;
  width: auto;
}

.brand-name {
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: var(--font-family);
  margin: 0;
  padding: 0;
  line-height: 1;
}

@media (max-width: 576px) {
  .logo {
    height: 36px;
  }
  
  .brand-name {
    font-size: 1.25rem;
  }
}

/* Components */

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.5rem 1.25rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-primary-dark);
  border-color: var(--color-secondary);
}

.btn-primary:hover {
  background-color: var(--color-secondary-light);
  border-color: var(--color-secondary-light);
}

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

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

/* Hero Section */
.hero {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-7) 0;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
  color: var(--color-gray-300);
}

.hero-image {
  margin: var(--space-4) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hero-main-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-normal);
}

.hero-main-image:hover {
  transform: scale(1.02);
}

.hero-image-placeholder {
  margin: var(--space-4) 0;
}

.image-placeholder {
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  font-style: italic;
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .image-placeholder {
    height: 300px;
  }
}

.auction-stats {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: var(--space-4);
}

.stat {
  flex: 1;
  min-width: 120px;
  padding: var(--space-2);
  margin-bottom: var(--space-2);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--space-1);
}

.stat-label {
  color: var(--color-gray-400);
  font-size: 0.9rem;
}

/* About Section */
.about {
  background-color: var(--color-white);
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.about-text {
  flex: 1;
}

.about-features {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-3);
}

.feature {
  padding: var(--space-3);
  background-color: var(--color-gray-100);
  border-radius: var(--radius-md);
  text-align: center;
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-2);
}

.feature h3 {
  margin-bottom: var(--space-1);
}

.feature p {
  color: var(--color-gray-700);
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .about-content {
    flex-direction: row;
  }
}

/* How It Works Section */
.how-it-works {
  background-color: var(--color-gray-100);
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.step {
  padding: var(--space-3);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.step-number {
  display: inline-block;
  background-color: var(--color-secondary);
  color: var(--color-primary-dark);
  font-weight: 700;
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  border-radius: 50%;
  margin-bottom: var(--space-2);
}

.step h3 {
  margin-bottom: var(--space-1);
}

.step p {
  color: var(--color-gray-700);
  margin-bottom: 0;
}

/* Featured Auctions Section */
.featured-auctions {
  background-color: var(--color-white);
}

.auction-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-3);
}

.auction-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.auction-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.auction-image {
  position: relative;
  overflow: hidden;
}

.auction-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.auction-timer {
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-2);
  background-color: rgba(0, 0, 0, 0.8);
  color: var(--color-white);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: monospace;
  z-index: 1;
}

.auction-details {
  padding: var(--space-2);
}

.auction-details h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rarity {
  color: var(--color-accent);
  font-size: 0.85rem;
  margin-bottom: var(--space-2);
}

.bid-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.current-bid {
  font-weight: 700;
  color: var(--color-primary);
}

.bid-count {
  font-size: 0.85rem;
  color: var(--color-gray-600);
}

/* Testimonials Section */
.testimonials {
  background-color: var(--color-primary-light);
  color: var(--color-white);
  text-align: center;
}

.testimonials h2 {
  color: var(--color-white);
}

.testimonial-slider {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.testimonial {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  max-width: 500px;
  text-align: left;
}

.testimonial-content p {
  font-style: italic;
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  margin-top: var(--space-2);
}

.author-image {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: var(--space-2);
}

.author-image-placeholder {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-gray-500);
  margin-right: var(--space-2);
}

.author-details h4 {
  color: var(--color-white);
  margin-bottom: 0;
}

.author-details p {
  color: var(--color-gray-400);
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* Membership Section */
.membership {
  background-color: var(--color-white);
}

.membership-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.membership-text {
  flex: 2;
}

.membership-stats {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.membership-stat {
  background-color: var(--color-gray-100);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  text-align: center;
}

@media (min-width: 768px) {
  .membership-content {
    flex-direction: row;
  }
}

/* FAQ Section */
.faq {
  background-color: var(--color-gray-100);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  overflow: hidden;
}

.faq-question {
  padding: var(--space-2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question h3 {
  margin-bottom: 0;
  font-size: 1.1rem;
}

.faq-toggle {
  width: 20px;
  height: 20px;
  position: relative;
}

.faq-toggle::before,
.faq-toggle::after {
  content: '';
  position: absolute;
  background-color: var(--color-primary);
  transition: transform var(--transition-fast);
}

.faq-toggle::before {
  width: 2px;
  height: 20px;
  left: 9px;
  top: 0;
}

.faq-toggle::after {
  width: 20px;
  height: 2px;
  left: 0;
  top: 9px;
}

.faq-item.active .faq-toggle::before {
  transform: rotate(90deg);
}

.faq-answer {
  padding: 0 var(--space-2);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 1000px;
  padding: 0 var(--space-2) var(--space-2);
}

/* Contact Section */
.contact {
  background-color: var(--color-white);
}

.contact-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-info {
  flex: 2;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--space-3);
}

.contact-icon {
  width: 24px;
  height: 24px;
  margin-right: var(--space-2);
  margin-top: 3px;
}

.contact-details h3 {
  margin-bottom: 4px;
  font-size: 1.1rem;
}

.contact-hours {
  flex: 1;
  background-color: var(--color-gray-100);
  padding: var(--space-3);
  border-radius: var(--radius-md);
}

.contact-hours h3 {
  margin-bottom: var(--space-2);
}

.contact-hours p {
  margin-bottom: var(--space-1);
}

address {
  font-style: normal;
  line-height: 1.5;
}

@media (min-width: 768px) {
  .contact-content {
    flex-direction: row;
  }
}

/* Footer */
.footer {
  background-color: var(--color-primary-dark);
  color: var(--color-gray-400);
  padding: var(--space-5) 0 var(--space-3);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.footer-logo {
  display: flex;
  align-items: center;
}

.footer-logo .brand-name {
  color: var(--color-white);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-link-group {
  min-width: 160px;
}

.footer-link-group h4 {
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.footer-link-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-link-group li {
  margin-bottom: 8px;
}

.footer-link-group a {
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer-link-group a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.copyright, .legal-notice {
  font-size: 0.85rem;
  margin: 0;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }
  
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--space-3);
  z-index: 9999;
  box-shadow: var(--shadow-lg);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.cookie-banner-text {
  margin-bottom: var(--space-2);
}

.cookie-banner-text a {
  color: var(--color-secondary);
  text-decoration: underline;
}

.cookie-banner-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.cookie-banner-customize {
  background-color: transparent;
  border: none;
  color: var(--color-secondary);
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.cookie-preferences {
  display: none;
  margin-top: var(--space-2);
  padding: var(--space-2);
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
}

.cookie-preferences.visible {
  display: block;
}

.cookie-preference-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.cookie-preference-item:last-child {
  margin-bottom: 0;
}

.cookie-preference-item label {
  flex: 1;
}

.cookie-preference-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-secondary);
}

.cookie-preference-item input[type="checkbox"]:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (min-width: 768px) {
  .cookie-banner-content {
    flex-direction: row;
    align-items: center;
  }
  
  .cookie-banner-text {
    margin-bottom: 0;
    margin-right: var(--space-2);
  }
  
  .cookie-banner-actions {
    flex-shrink: 0;
  }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .auction-img {
    height: 200px;
  }
  
  .hero-main-image {
    aspect-ratio: 4/3;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
  
  .header .logo {
    height: 32px;
  }
  
  .brand-name {
    font-size: 1.25rem;
  }
  
  .auction-img {
    height: 180px;
  }
}