:root {
  --ink: #14181f;
  --ink-soft: #4a5262;
  --paper: #ffffff;
  --paper-soft: #f4f5f7;
  --line: #e2e5ea;
  --accent: #1f4d3d;
  --accent-soft: #e8f0ec;
  --warn-bg: #fff7ec;
  --warn-border: #e8c98a;
  --warn-ink: #7a5a12;
  --radius: 10px;
  --maxw: 1120px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

a { color: inherit; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-tag {
  font-size: 0.72rem;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav.main-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.94rem;
  font-weight: 500;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--accent);
}

.cart-link {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
}

.cart-link:hover { border-color: var(--accent); }

#cart-count {
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 1px 8px;
  font-size: 0.78rem;
}

/* RUO banner */
.ruo-banner {
  background: var(--accent);
  color: #fff;
  font-size: 0.82rem;
  text-align: center;
  padding: 7px 12px;
  letter-spacing: 0.01em;
}

/* Hero */
.hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
}

.hero h1 {
  font-size: 2.5rem;
  line-height: 1.1;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.hero p.lede {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 28px;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.96rem;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover { opacity: 0.92; }

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

.btn-secondary:hover { border-color: var(--accent); }

.btn-block { width: 100%; text-align: center; }

.hero-badges {
  display: flex;
  gap: 24px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.hero-badge {
  font-size: 0.85rem;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

/* Section headers */
.section {
  padding: 56px 0;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 10px;
}

.section-head h2 {
  font-size: 1.5rem;
  margin: 0;
  letter-spacing: -0.01em;
}

.section-head .sub {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.product-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.product-card:hover {
  border-color: var(--accent);
}

.product-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  width: fit-content;
}

.product-card h3 {
  margin: 4px 0 0;
  font-size: 1.15rem;
}

.product-card .subtitle {
  color: var(--ink-soft);
  font-size: 0.88rem;
  margin: 0;
}

.product-card .meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 10px;
}

.product-card .price {
  font-weight: 700;
  font-size: 1.15rem;
}

.product-card .size-pill {
  font-size: 0.8rem;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 10px;
}

/* Product detail */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 760px) {
  .product-detail { grid-template-columns: 1fr; }
}

.product-detail .image-placeholder {
  aspect-ratio: 1;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.detail-price {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 6px 0 20px;
}

.qty-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 24px 0;
}

.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.qty-control button {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--paper-soft);
  font-size: 1.1rem;
  cursor: pointer;
}

.qty-control input {
  width: 44px;
  text-align: center;
  border: none;
  font-size: 1rem;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 30px;
  font-size: 0.92rem;
}

.spec-table td {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.spec-table td:first-child {
  color: var(--ink-soft);
  width: 40%;
}

/* Warning / disclaimer boxes */
.notice {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-ink);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-size: 0.88rem;
  line-height: 1.5;
}

/* Cart */
.cart-table {
  width: 100%;
  border-collapse: collapse;
}

.cart-table th {
  text-align: left;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  padding: 0 0 10px;
}

.cart-table td {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.cart-item-name {
  font-weight: 600;
}

.cart-item-sub {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.remove-link {
  color: var(--ink-soft);
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: underline;
  background: none;
  border: none;
  padding: 0;
}

.cart-summary {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 24px;
  max-width: 360px;
  margin-left: auto;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.summary-row.total {
  font-weight: 700;
  font-size: 1.15rem;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: 12px;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-soft);
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
  margin-bottom: 14px;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.checkout-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 760px) {
  .checkout-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

.order-line {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

/* Footer */
footer.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 80px;
  padding: 40px 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

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

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

.legal-copy {
  max-width: 68ch;
  margin-top: 16px;
  line-height: 1.6;
}

/* Toast */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--ink);
  color: #fff;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 50;
}

#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.page-title-block {
  padding: 48px 0 8px;
}

.page-title-block h1 {
  font-size: 2rem;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.page-title-block p {
  color: var(--ink-soft);
  margin: 0;
}

.prose h2 { font-size: 1.3rem; margin-top: 36px; }
.prose p { color: var(--ink-soft); line-height: 1.7; }