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

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f7f7f7;
}

.footnote-mark {
  font-weight: bold;
  margin-left: 2px;
}

.site-header {
  background: #1f2937;
  color: #fff;
  padding: 24px 20px 16px;
  text-align: center;
}

.site-header .brand-link {
  color: #fff;
  text-decoration: none;
}

.site-header h1 {
  font-size: 2rem;
}

.site-header .tagline {
  margin-top: 6px;
  color: #d1d5db;
}

.site-nav {
  background: #111827;
  padding: 10px;
  text-align: center;
}

.site-nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 12px;
  font-weight: bold;
  padding-bottom: 2px;
}

.site-nav a:hover,
.site-nav a.active {
  text-decoration: underline;
}

.site-warning {
  max-width: 1000px;
  margin: 24px auto 0;
  padding: 18px 24px;
  background: #fef3c7;
  border: 2px solid #d97706;
  border-radius: 8px;
  color: #92400e;
  font-size: 1.15rem;
  text-align: center;
}

.site-notice {
  max-width: 1000px;
  margin: 24px auto 0;
  padding: 16px 22px;
  background: #dbeafe;
  border: 2px solid #3b82f6;
  border-radius: 8px;
  color: #1e3a8a;
  font-size: 1.05rem;
  text-align: center;
}

.site-notice a {
  color: #1e3a8a;
}

.hero {
  background: #fff;
  text-align: center;
  padding: 40px 20px;
}

.hero img {
  max-width: 100%;
  width: 900px;
  height: auto;
  border-radius: 10px;
  margin-bottom: 20px;
}

.hero h2 {
  font-size: 2rem;
  margin-bottom: 10px;
}

main {
  max-width: 1000px;
  margin: 0 auto;
}

section {
  max-width: 1000px;
  margin: 30px auto;
  padding: 30px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

section h2 {
  margin-bottom: 15px;
  color: #1f2937;
  border-bottom: 2px solid #e5e7eb;
  padding-bottom: 8px;
}

section h3 {
  margin-top: 20px;
  margin-bottom: 8px;
  color: #1f2937;
}

section p {
  margin-bottom: 12px;
}

section ul,
section ol {
  margin: 0 0 12px 24px;
}

section li {
  margin-bottom: 6px;
}

.install-list {
  list-style: disc;
  font-size: 1.05rem;
}

.install-list li {
  margin-bottom: 10px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.card {
  display: block;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 16px;
  background: #fafafa;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.card img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 10px;
}

.card h3 {
  margin: 0 0 6px;
  color: #111827;
}

.card p {
  margin: 0;
  color: #555;
  font-size: 0.95rem;
}

.fits-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6b7280;
  margin: 0 0 2px;
}

.card .fits-label {
  margin-top: 4px;
}

.card .vehicle-years {
  color: #111827;
  font-size: 1.3rem;
  font-weight: bold;
}

.product-detail .fits-line {
  font-weight: bold;
  color: #1f2937;
  margin-bottom: 20px;
}

.color-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 16px;
}

.color-option {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 16px;
  background: #fafafa;
}

.color-option h4 {
  margin-bottom: 10px;
  color: #1f2937;
}

.gallery.small {
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.gallery img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
}

.install-section img {
  max-width: 100%;
  width: 500px;
  height: auto;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  display: block;
  margin: 12px 0 16px;
}

.video-embed {
  position: relative;
  width: 100%;
  max-width: 700px;
  aspect-ratio: 16 / 9;
  margin: 12px 0;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 8px;
}

.video-note {
  color: #666;
  font-size: 0.9rem;
  margin-top: -4px;
  margin-bottom: 16px;
}

.qr-print {
  display: none;
}

@media print {
  .video-embed {
    display: none;
  }

  .qr-print {
    display: block;
    margin: 12px 0;
  }

  .qr-print img {
    width: 180px;
    height: 180px;
  }
}

.buy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 20px;
}

.buy-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.buy-option {
  border-top: 1px solid #e5e7eb;
  padding-top: 12px;
}

.buy-option:first-child {
  border-top: none;
  padding-top: 0;
}

.buy-option-label {
  font-weight: bold;
  color: #1f2937;
}

.buy-option .buy-links {
  margin-top: 8px;
}

.buy-btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 6px;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

.buy-btn.ebay {
  background: #0064d2;
}

.buy-btn.amazon {
  background: #ff9900;
  color: #111;
}

.buy-btn:hover {
  opacity: 0.9;
}

.coming-soon {
  color: #666;
  font-style: italic;
}

.suppliers-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

.suppliers-table th,
.suppliers-table td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid #e5e7eb;
}

.suppliers-table th {
  background: #f3f4f6;
  color: #1f2937;
}

.site-footer {
  text-align: center;
  background: #1f2937;
  color: #d1d5db;
  padding: 20px;
  margin-top: 30px;
  font-size: 0.9rem;
}

.site-footer .footer-note {
  margin-top: 10px;
  color: #9ca3af;
  font-size: 0.85rem;
}

.site-footer .footer-note a {
  color: #d1d5db;
}

.site-footer .footer-links {
  margin-top: 8px;
}

.site-footer .footer-links a {
  color: #6b7280;
  font-size: 0.75rem;
  text-decoration: underline;
}

.site-footer .footer-links a:hover {
  color: #9ca3af;
}
