:root {
  --color-bg: #ffffff;
  --color-surface: #f4f4f4;
  --color-text: #0d0d0d;
  --color-muted: #5c5c5c;
  --color-border: #dcdcdc;
  --color-accent: #0d0d0d;
  --color-cta: #2563eb;
  --color-cta-text: #ffffff;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 10;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.nav-cta {
  background: var(--color-cta);
  color: var(--color-cta-text) !important;
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.hero {
  padding: 60px 0 90px;
  background: var(--color-surface);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-text h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-text p {
  color: var(--color-muted);
  font-size: 1.15rem;
  margin-bottom: 32px;
  max-width: 42ch;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
}

.btn-primary {
  background: var(--color-cta);
  color: var(--color-cta-text);
  border-radius: 999px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.9rem;
  padding: 16px 32px;
}

.hero-image img {
  width: 100%;
  border-radius: 12px;
}

@media (max-width: 768px) {
  .nav { display: none; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-text h1 { font-size: 2rem; }
  .form-row-pair { grid-template-columns: 1fr; gap: 0; }
}

.products {
  padding: 80px 0;
  border-bottom: 1px solid var(--color-border);
}

.products h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 48px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.product-card.featured {
  border-color: var(--color-text);
}

.product-card img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 16px;
}

.product-card h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.product-card-link {
  color: inherit;
  text-decoration: none;
}

.product-card-link:hover h3 {
  text-decoration: underline;
}

.product-card .price {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.ship-estimate {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.product-card ul {
  list-style: none;
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.product-card li {
  padding: 6px 0;
  border-top: 1px solid var(--color-border);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-text);
  color: var(--color-text);
  text-align: center;
}

@media (max-width: 900px) {
  .product-grid { grid-template-columns: 1fr; }
}

.features {
  padding: 80px 0;
  border-bottom: 1px solid var(--color-border);
}

.features h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 48px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.feature-item h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.feature-item p {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
  font-size: 0.95rem;
  color: var(--color-muted);
}

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: 1fr; }
}

.faq {
  padding: 80px 0;
  border-bottom: 1px solid var(--color-border);
}

.faq h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 48px;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.05rem;
  font-weight: 600;
  padding: 20px 0;
  cursor: pointer;
  font-family: inherit;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.faq-answer p {
  color: var(--color-muted);
  padding-bottom: 20px;
  font-size: 0.95rem;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.preorder {
  padding: 80px 0;
}

.preorder-box {
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 40px;
}

.preorder h2 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.preorder-sub {
  color: var(--color-muted);
  margin-bottom: 32px;
}

.preorder-notice {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 16px;
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.preorder-notice strong {
  color: var(--color-text);
}

.preorder-policy-links {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--color-muted);
  text-align: center;
}

.preorder-policy-links a {
  color: var(--color-muted);
  text-decoration: underline;
}

.preorder-policy-links a:hover {
  color: var(--color-text);
}

.form-row {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.form-row input,
.form-row select,
.form-row textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
}

.form-row input[readonly] {
  color: var(--color-muted);
}

.form-row textarea {
  resize: vertical;
}

.form-row-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-checkbox {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.form-checkbox label {
  color: var(--color-text);
  font-size: 0.9rem;
}

.form-section-title {
  font-size: 1rem;
  margin: 24px 0 12px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.ship-dates {
  list-style: none;
  margin-bottom: 32px;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.ship-dates li {
  padding: 4px 0;
}

.ship-dates strong {
  color: var(--color-text);
}

.preorder button[type="submit"] {
  width: 100%;
  border: none;
  cursor: pointer;
  margin-top: 8px;
}

.hidden { display: none; }

.site-footer {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.footer-contact p { margin: 2px 0; }

.footer-legalname {
  font-size: 0.85rem;
}

.footer-contact a {
  color: var(--color-muted);
}

.footer-contact a:hover {
  color: var(--color-text);
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 0.85rem;
}

.footer-links a {
  color: var(--color-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-text);
  text-decoration: underline;
}

.legal {
  padding: 64px 0 96px;
}

.legal-content {
  max-width: 720px;
}

.legal-content h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.legal-updated {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.legal-content h2 {
  font-size: 1.2rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal-content p {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.legal-content a {
  color: var(--color-text);
}

.breadcrumb {
  padding: 24px 0 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.breadcrumb a {
  color: var(--color-muted);
}

.breadcrumb a:hover {
  color: var(--color-text);
}

.product-detail {
  padding: 40px 0 80px;
}

.product-detail-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 64px;
}

.product-detail-image img {
  width: 100%;
  border-radius: 12px;
}

.product-detail-info .price {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 8px 0 20px;
}

.product-detail-info h1 {
  font-size: 2.2rem;
  margin-bottom: 4px;
}

.product-detail-info .lede {
  color: var(--color-muted);
  margin-bottom: 24px;
}

.product-detail-info .warranty-note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.product-detail-info .warranty-note a {
  color: var(--color-text);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 40px;
}

.spec-table th {
  text-align: left;
  padding: 12px 0;
  width: 40%;
  color: var(--color-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.spec-table td {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.included-list {
  list-style: none;
  margin-bottom: 40px;
}

.included-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.included-list li::before {
  content: "✓ ";
  color: var(--color-text);
}

.detail-section h2 {
  font-size: 1.3rem;
  margin: 40px 0 12px;
}

.detail-section p {
  color: var(--color-muted);
  margin-bottom: 12px;
}

.related-products {
  border-top: 1px solid var(--color-border);
  padding-top: 40px;
}

.related-products h2 {
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.related-products-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.related-products-links a {
  color: var(--color-muted);
  text-decoration: none;
  border: 1px solid var(--color-border);
  padding: 10px 18px;
  border-radius: 8px;
}

.related-products-links a:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

@media (max-width: 768px) {
  .product-detail-inner { grid-template-columns: 1fr; }
}