/* Catalogue styles.
   Palette carried over from the storefront design system, contrast verified:
   #EDEAE4 on #131211 = 15.6:1  ·  #D8B25C on #131211 = 9.3:1
   #1A7F5E measures 3.8:1 on the background, so it is a FILL only, never text. */

:root {
  --bg: #131211;
  --surface: #1b1917;
  --surface-hi: #23211f;
  --ink: #edeae4;
  --muted: #9d9b97;
  --gold: #d8b25c;
  --green: #1a7f5e;
  --border: rgba(237, 234, 228, 0.08);
  --border-hi: rgba(237, 234, 228, 0.14);
  --page: 1200px;
  --radius: 8px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: Archivo, Inter, system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0;
}

h1 { font-size: clamp(1.9rem, 4.2vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }

a { color: var(--gold); }

img { max-width: 100%; display: block; }

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

.mono {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--muted);
}

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(19, 18, 17, 0.92);
  backdrop-filter: blur(10px);
  z-index: 20;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 66px;
  flex-wrap: wrap;
}

.brand {
  font-family: Archivo, sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.brand span { color: var(--gold); }

.site-nav { display: flex; gap: 22px; flex-wrap: wrap; }

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }

/* ---------- hero ---------- */

.hero {
  position: relative;
  border-bottom: 1px solid var(--border);
  background: #0f0e0d center / cover no-repeat;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(19,18,17,0.35) 0%, rgba(19,18,17,0.9) 100%);
}

.hero .wrap { position: relative; z-index: 1; padding-block: 54px 44px; }

.hero p.lede {
  color: var(--muted);
  max-width: 56ch;
  margin: 14px 0 0;
}

/* ---------- catalogue grid ---------- */

.section { padding-block: 56px; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 26px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: transform 160ms ease-out, border-color 160ms ease-out, background 160ms ease-out;
}

.card:hover, .card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--border-hi);
  background: var(--surface-hi);
}

.card-media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #fff;
}

.card-media img { width: 100%; height: 100%; object-fit: contain; }

.badge {
  position: absolute;
  top: 10px;
  left: 10px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 9px;
  border-radius: 4px;
  background: var(--gold);
  color: #131211;
  font-weight: 600;
}

.badge--jp { background: var(--gold); }
.badge--en { background: var(--green); color: #fff; }

.card-body { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }

.card-title {
  font-family: Archivo, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.3;
}

.card-spec { font-family: "IBM Plex Mono", monospace; font-size: 0.7rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); }

.card-foot { margin-top: auto; display: flex; flex-direction: column; gap: 3px; }

.price { font-weight: 600; font-size: 1.1rem; font-variant-numeric: tabular-nums; white-space: nowrap; }

.stock { font-family: "IBM Plex Mono", monospace; font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }

.stock--low { color: var(--gold); }

/* ---------- product detail ---------- */

.detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 44px;
  padding-block: 48px;
  align-items: start;
}

.detail-media {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.detail-media img { width: 100%; height: 100%; object-fit: contain; }

.detail dl { display: grid; grid-template-columns: max-content 1fr; gap: 8px 22px; margin: 22px 0; }
.detail dt { font-family: "IBM Plex Mono", monospace; font-size: 0.72rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); }
.detail dd { margin: 0; }

.detail ul { padding-left: 18px; color: var(--ink); }
.detail ul li { margin-bottom: 5px; }

.price-row { display: flex; align-items: baseline; gap: 14px; margin: 6px 0 0; flex-wrap: wrap; }
.price-lg { font-size: 1.8rem; font-weight: 600; font-variant-numeric: tabular-nums; }

.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0 0; }
.chip { border: 1px solid var(--border-hi); border-radius: 999px; padding: 5px 12px; font-size: 0.78rem; color: var(--muted); }

.btn {
  display: inline-block;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: 6px;
  min-height: 48px;
  line-height: 22px;
  margin-top: 22px;
}

.btn:hover { background: #167052; }
.btn--ghost { background: transparent; border: 1px solid var(--border-hi); color: var(--ink); }
.btn--ghost:hover { background: var(--surface-hi); }

.notice {
  border-left: 2px solid var(--gold);
  padding: 10px 0 10px 14px;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 20px 0 0;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 34px 44px;
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer .wrap { display: flex; gap: 22px; justify-content: space-between; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }

.disclaimer { max-width: 62ch; margin-top: 18px; font-size: 0.78rem; line-height: 1.5; }

/* ---------- responsive ---------- */

@media (max-width: 760px) {
  .detail { grid-template-columns: 1fr; gap: 28px; padding-block: 32px; }
  .section { padding-block: 40px; }
  .hero { min-height: 260px; }
  .site-header .wrap { min-height: 58px; padding-block: 10px; }
}

:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }