/* =========================================================
   Page-specific components — products grid, detail, category, about
   ========================================================= */

/* ---------- Page header (replaces hero on inner pages) ---------- */
.page-head {
  padding-top: clamp(48px, 6vw, 96px);
  padding-bottom: clamp(28px, 4vw, 56px);
  text-align: left;
}
.page-head__eyebrow { margin-bottom: var(--space-4); }
.page-head__title {
  letter-spacing: var(--tracking-display);
  margin-bottom: var(--space-4);
  max-width: 24ch;
}
.page-head__sub {
  max-width: 60ch;
  color: var(--text-secondary);
}

/* ---------- Search + filters bar ---------- */
.toolbar {
  position: sticky; top: var(--nav-height);
  z-index: 30;
  padding: var(--space-3) 0 var(--space-4);
  background: var(--bg-canvas);
  border-bottom: 1px solid var(--stroke-subtle);
  margin-bottom: var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.toolbar__row {
  display: flex; gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
}
.search {
  position: relative;
  flex: 1 1 280px;
  max-width: 480px;
}
.search__icon {
  position: absolute; left: 18px; top: 50%; transform: translateY(-50%);
  color: var(--text-tertiary); pointer-events: none;
}
.search__icon svg { width: 18px; height: 18px; }
.search__input {
  width: 100%;
  padding: 14px 18px 14px 48px;
  font: inherit;
  font-size: var(--type-base);
  color: var(--text-primary);
  background: var(--bg-tinted);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  transition: background var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard);
}
.search__input::placeholder { color: var(--text-tertiary); }
.search__input:focus {
  outline: none;
  background: var(--bg-elevated);
  border-color: var(--accent);
}
.toolbar__count {
  font-size: var(--type-sm);
  color: var(--text-tertiary);
  margin-left: auto;
  font-feature-settings: "tnum";
}

.chips {
  /* Horizontally scrollable single row — no wrapping */
  flex: 1;
  min-width: 0; /* required for flex overflow to work */
  display: flex; gap: var(--space-2);
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;       /* Firefox */
  -ms-overflow-style: none;    /* IE */
  /* Fade the right edge to hint more content */
  -webkit-mask-image: linear-gradient(to right, black 80%, transparent 100%);
  mask-image: linear-gradient(to right, black 80%, transparent 100%);
}
.chips::-webkit-scrollbar { display: none; }

.chip {
  display: inline-flex; align-items: center;
  padding: 8px 14px;
  font-size: var(--type-sm); font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-tinted);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-standard);
  white-space: nowrap;
  flex-shrink: 0; /* never let chips compress */
}
.chip:hover { color: var(--text-primary); background: var(--bg-tinted-strong); }
.chip[aria-pressed="true"] {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
}
.chip__count {
  margin-left: 6px;
  opacity: 0.6;
  font-feature-settings: "tnum";
}
.chip[aria-pressed="true"] .chip__count { opacity: 0.9; }

.filter-row {
  /* Label inline-left, chips scrollable to the right — one tight line each */
  display: flex; flex-direction: row;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}
.filter-row__label {
  font-size: var(--type-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-tertiary);
  flex-shrink: 0; /* label never collapses */
}

/* ---------- Empty state ---------- */
.empty {
  display: grid; place-items: center;
  padding: var(--space-20) var(--space-6);
  text-align: center;
  color: var(--text-secondary);
}
.empty h4 { color: var(--text-primary); margin-bottom: var(--space-2); }

/* ---------- Product detail ---------- */
.detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  padding-top: clamp(40px, 5vw, 80px);
}
@media (min-width: 880px) {
  .detail { grid-template-columns: 1.05fr 1fr; gap: var(--space-16); align-items: start; }
}

.detail__media {
  /* On mobile a square tile is huge — use a 4:3 to keep the showcase
     proportional. Square again at desktop where the 2-col layout makes
     a square card look balanced next to the spec column.
     position: relative + absolute img avoids the Safari mobile bug where
     max-height:100% fails inside an implicit grid track. */
  aspect-ratio: 4 / 3;
  position: relative;
  border-radius: var(--radius-3xl);
  background: var(--media-bg);
  border: 1px solid var(--media-stroke);
  box-shadow: var(--tile-shadow);
  overflow: hidden;
}
.detail__media img {
  position: absolute;
  top: clamp(16px, 3vw, 48px);
  right: clamp(16px, 3vw, 48px);
  bottom: clamp(16px, 3vw, 48px);
  left: clamp(16px, 3vw, 48px);
  width: calc(100% - clamp(32px, 6vw, 96px));
  height: calc(100% - clamp(32px, 6vw, 96px));
  object-fit: contain;
  transition: transform var(--dur-slow) var(--ease-out-soft);
}
.detail__media:hover img { transform: scale(1.04); }
@media (min-width: 880px) {
  .detail__media {
    aspect-ratio: 1 / 1;
    position: sticky;
    top: calc(var(--nav-height) + 24px);
  }
}

.detail__brand {
  font-size: var(--type-sm);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-4);
}
.detail__title {
  font-size: var(--type-3xl);
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  margin-bottom: var(--space-4);
}
.detail__cat {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  font-size: var(--type-xs); font-weight: 600;
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  color: var(--text-secondary);
  background: var(--bg-tinted);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-6);
}
.detail__price {
  font-family: var(--font-display);
  font-size: var(--type-3xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tighter);
  font-feature-settings: "tnum";
  margin-bottom: var(--space-6);
}
.detail__desc {
  font-size: var(--type-lg);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  max-width: 56ch;
}
.detail__cta {
  display: flex; gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}
.detail__meta {
  border-top: 1px solid var(--stroke-subtle);
  padding-top: var(--space-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
.detail__meta dt {
  font-size: var(--type-xs); font-weight: 600;
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}
.detail__meta dd {
  margin: 0; color: var(--text-primary);
  font-size: var(--type-base);
}
.detail__meta-row {
  display: flex; flex-wrap: wrap; gap: var(--space-2);
}

.eco-badges {
  display: inline-flex; gap: var(--space-2); flex-wrap: wrap;
}
.eco-badge {
  display: inline-flex; align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--bg-tinted);
  font-size: var(--type-xs); font-weight: 600;
  color: var(--text-primary);
  border: 1px solid var(--stroke-subtle);
}

/* ---------- Stats row (about) ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
  padding-block: var(--space-12);
  border-block: 1px solid var(--stroke-subtle);
}
.stat {
  display: flex; flex-direction: column; gap: var(--space-2);
}
.stat__num {
  font-family: var(--font-display);
  font-size: var(--type-4xl);
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  font-feature-settings: "tnum";
  color: var(--accent);
}
.stat__label {
  font-size: var(--type-sm);
  color: var(--text-secondary);
}

/* ---------- Long-form prose ---------- */
.prose {
  max-width: 64ch;
  font-size: var(--type-lg);
  line-height: 1.7;
  color: var(--text-secondary);
}
.prose > * + * { margin-top: 1.2em; }
.prose h2, .prose h3 { color: var(--text-primary); margin-top: 1.8em; }
.prose strong { color: var(--text-primary); font-weight: 600; }
.prose a { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.prose a:hover { color: var(--accent-hover); }

/* ---------- Breadcrumb ---------- */
.crumbs {
  display: flex; align-items: center; gap: 6px;
  font-size: var(--type-sm);
  color: var(--text-tertiary);
  padding-top: var(--space-6);
}
.crumbs a { color: var(--text-secondary); }
.crumbs a:hover { color: var(--accent); }
.crumbs__sep { opacity: 0.5; }

/* ---------- Related rail ---------- */
.related-head {
  display: flex; align-items: end; justify-content: space-between;
  margin-top: var(--space-16); margin-bottom: var(--space-6);
}