/* Store surface: index + product pages. Loaded after site.css. */
body.st {
  --st-card: rgba(244, 241, 234, 0.028);
  --st-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --st-gutter: clamp(1rem, 4vw, 3.5rem);
}

.st-top {
  border-bottom: 1px solid var(--line);
  background: rgba(17, 17, 15, 0.9);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  padding-inline: var(--st-gutter);
}

.st-main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--st-gutter) clamp(4rem, 10vw, 7rem);
}

/* ---------- masthead ---------- */
.st-mast {
  padding: clamp(3rem, 9vw, 6.5rem) 0 clamp(1.5rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 64px;
}
.st-title {
  margin: 0 0 clamp(1.75rem, 4vw, 2.75rem);
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.5rem, 11vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
}
.st-tabs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0.1rem;
}
.st-tabs::-webkit-scrollbar { display: none; }
.st-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--mute);
  font-size: 0.8rem;
  font-weight: 500;
  transition: color .15s, border-color .15s, background .15s;
}
.st-tab span {
  font-family: var(--st-mono);
  font-size: 0.72rem;
  color: var(--soft);
}
.st-tab:hover { color: var(--ink); border-color: var(--line-2); }
.st-tab.is-on { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.st-tab.is-on span { color: rgba(17, 17, 15, 0.55); }

.st-empty {
  margin: 0;
  padding: 3rem 0;
  color: var(--soft);
  font-family: var(--st-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- catalog grid ---------- */
.st-group { padding-top: clamp(2.5rem, 5vw, 3.5rem); }
.st-group[hidden] { display: none; }
.st-group-title,
.st-section-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0 0 1.1rem;
  font-family: var(--st-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}
.st-group-title::after,
.st-section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.st-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.st-card {
  display: flex;
  flex-direction: column;
  min-height: 232px;
  background: var(--bg);
  box-shadow: 1px 0 0 var(--line), 0 1px 0 var(--line);
  transition: background .2s;
}
.st-card:hover { background: #181815; }
.st-card-link {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.35rem 1.35rem 1.1rem;
}
.st-num {
  margin-bottom: auto;
  padding-bottom: 1.6rem;
  font-family: var(--st-mono);
  font-size: 0.7rem;
  color: var(--soft);
}
.st-family {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--soft);
}
.st-name {
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.2vw, 1.9rem);
  line-height: 1.06;
  letter-spacing: -0.005em;
}
.st-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.35rem 1.15rem;
  border-top: 1px solid var(--line);
}
.st-price {
  font-family: var(--st-mono);
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
}
.st-buy,
.st-row-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-width: 72px;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background .15s, transform .15s;
}
.st-buy:hover,
.st-row:hover .st-row-cta { background: var(--accent); }
.st-buy:active { transform: scale(0.97); }
.st-buy.is-off { background: transparent; color: var(--soft); border: 1px solid var(--line); }

/* ---------- desks ---------- */
.st-desks {
  padding-top: clamp(4rem, 8vw, 6rem);
  scroll-margin-top: 64px;
}
.st-desk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 1rem;
}
.st-desk {
  padding: 1.35rem 1.35rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--st-card);
}
.st-desk h3 {
  margin: 0 0 0.9rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.75rem;
}
.st-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 0.85rem 0;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  text-align: left;
}
.st-row-name { font-size: 0.95rem; font-weight: 500; }
.st-row-price {
  font-family: var(--st-mono);
  font-size: 0.84rem;
  color: var(--mute);
  font-variant-numeric: tabular-nums;
}
.st-row:disabled { opacity: 0.6; cursor: progress; }
.st-row .spin { width: 14px; height: 14px; }

/* ---------- product ---------- */
.st-product {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 4.5rem);
  align-items: center;
  padding-top: clamp(2rem, 6vw, 5rem);
}
.st-visual {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: var(--st-card);
}
.st-visual img { width: 100%; height: 100%; object-fit: cover; }
.st-visual-mark {
  display: grid;
  place-items: center;
  background:
    radial-gradient(120% 90% at 20% 10%, rgba(216, 230, 200, 0.12), transparent 60%),
    linear-gradient(160deg, #1a1a17, #0d0d0b);
}
.st-visual-mark span {
  font-family: var(--serif);
  font-size: clamp(8rem, 22vw, 16rem);
  line-height: 1;
  color: rgba(244, 241, 234, 0.12);
}
.st-product-name {
  margin: 0.6rem 0 1.25rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 6vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.015em;
}
.st-product-price {
  margin: 0 0 2rem;
  font-family: var(--st-mono);
  font-size: 1.15rem;
  font-variant-numeric: tabular-nums;
}
.st-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.st-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 1.5rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 0.88rem;
  font-weight: 600;
  transition: background .15s, border-color .15s;
}
.st-btn:hover { background: var(--accent); border-color: var(--accent); }
.st-btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.st-btn-ghost:hover { background: transparent; border-color: var(--ink); }
.st-btn.is-off { background: transparent; color: var(--soft); border-color: var(--line); }

/* ---------- footer ---------- */
.st-foot {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--st-gutter) 2.5rem;
  border-top: 1px solid var(--line);
}

@media (max-width: 760px) {
  .st-product { grid-template-columns: 1fr; padding-top: 1.25rem; }
  .st-visual { aspect-ratio: 4 / 3; }
  .st-card { min-height: 0; }
  .st-num { padding-bottom: 0.9rem; }
  .st-top .mark { white-space: nowrap; }
  .st-top .nav-links { flex-wrap: nowrap; }
  .st-top .nav-links a { padding-inline: 0.35rem; font-size: 0.64rem; letter-spacing: 0.08em; }
}

/* ---------- quiet nav link ---------- */
.st-top .nav-links a.nav-quiet {
  color: var(--soft);
  opacity: 0.72;
  font-weight: 400;
}
.st-top .nav-links a.nav-quiet:hover { color: var(--mute); opacity: 1; }

/* ---------- visual & voice concierge ---------- */
.st-concierge {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--st-card);
  display: grid;
  gap: 1rem;
}
.st-concierge-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}
.st-concierge-title {
  margin: 0.2rem 0 0.35rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
}
.st-concierge-sub {
  margin: 0;
  color: var(--mute);
  font-size: 0.88rem;
  max-width: 62ch;
}
.st-concierge-head-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}
.st-concierge-select {
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: 0.8rem;
}
.st-merchant-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
}
.st-merchant-pill:hover {
  border-color: var(--ink);
}
.st-concierge-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.st-concierge-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.05rem;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
}
.st-concierge-input {
  flex: 1 1 240px;
  min-width: 0;
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: 0.88rem;
}
.st-concierge-card {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}
.st-concierge-match {
  margin: 0.25rem 0;
  font-size: 1rem;
}
.st-concierge-voice {
  margin: 0;
  color: var(--mute);
  font-size: 0.86rem;
}