/* =============================================================
   PILCHAS CLEAN SF — stylesheet
   1. Tokens
   2. Reset & base
   3. Utilities
   4. Typography
   5. Components
   6. Sections
   7. Effects
   8. Responsive
   9. Reduced motion
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #ffffff;
  --bg-soft: #f3f2ef;
  --ink: #0a0a0a;
  --ink-soft: #2b2b2b;
  --ink-mute: #6f6f6c;
  --line: rgba(10, 10, 10, 0.13);
  --line-strong: rgba(10, 10, 10, 0.85);
  --accent: #c81e1e;
  --white: #ffffff;

  --display: "Anton", "Arial Narrow", sans-serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", "Courier New", monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --nav-h: 68px;
  --container: 1440px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1; }
input, select { font: inherit; color: inherit; }
::selection { background: var(--ink); color: var(--bg); }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--ink); color: var(--bg);
  z-index: 9999; font-weight: 600; transition: top .2s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* =============================================================
   4. Typography
   ============================================================= */
.section-title {
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: .01em;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: .95;
}

/* =============================================================
   5. Components
   ============================================================= */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .95rem 1.7rem;
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  border: 1.5px solid var(--ink);
  transition: background .25s var(--ease-out), color .25s var(--ease-out), border-color .25s var(--ease-out);
  white-space: nowrap;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--bg); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); }
.btn-light { border-color: var(--bg); color: var(--bg); }
.btn-light:hover { background: var(--bg); color: var(--ink); }
.btn[disabled], .btn.is-disabled {
  opacity: .35;
  pointer-events: none;
}
.btn-block { width: 100%; }

/* --- Nav --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 500;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav-logo {
  font-family: var(--display);
  font-size: 1.3rem;
  letter-spacing: .01em;
  text-transform: uppercase;
  line-height: 1;
}
.nav-logo sup {
  font-family: var(--mono);
  font-size: .55rem;
  letter-spacing: .1em;
  margin-left: .15rem;
  vertical-align: super;
  color: var(--ink-mute);
}
.nav-links {
  display: none;
  align-items: center;
  gap: 1.9rem;
}
.nav-links a {
  position: relative;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding-bottom: .2rem;
}
.nav-links a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1.5px; background: var(--ink);
  transition: right .3s var(--ease-out);
}
.nav-links a:hover::after,
.nav-links a.is-active::after { right: 0; }
.nav-actions { display: flex; align-items: center; gap: .9rem; }
.nav-icon-link {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  transition: background .2s var(--ease-out), color .2s var(--ease-out);
}
.nav-icon-link:hover { background: var(--ink); color: var(--bg); }
.nav-icon-link svg { width: 16px; height: 16px; }

.burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  align-items: center;
}
.burger span {
  display: block; width: 22px; height: 2px; background: var(--ink);
  transition: transform .3s var(--ease-out), opacity .3s var(--ease-out);
}
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: var(--nav-h) 0 0 0;
  background: var(--ink);
  color: var(--bg);
  z-index: 490;
  display: flex; flex-direction: column;
  padding: 2rem 1.25rem;
  transform: translateY(-100%);
  transition: transform .45s var(--ease-out);
}
.mobile-menu.is-open { transform: translateY(0); }
.mobile-menu-links { display: flex; flex-direction: column; gap: 1.4rem; margin-top: 1rem; }
.mobile-menu-links a {
  font-family: var(--display);
  text-transform: uppercase;
  font-size: 2rem;
}
.mobile-menu-foot {
  margin-top: auto;
  display: flex; gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.15);
}

body.menu-open { overflow: hidden; }

/* --- Category filter chips --- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  padding-block: 1.5rem;
}
.filter-chip {
  padding: .55rem 1.1rem;
  border: 1.5px solid var(--ink);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  transition: background .2s var(--ease-out), color .2s var(--ease-out);
}
.filter-chip:hover { background: var(--bg-soft); }
.filter-chip.is-active { background: var(--ink); color: var(--bg); }

/* --- Product grid & card --- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s var(--ease-out), transform .5s var(--ease-out);
}
.product-card.is-visible { opacity: 1; transform: none; }
.product-card.is-hidden { display: none; }

.product-card-media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-soft);
}
.product-card-media img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: opacity .45s var(--ease-out), transform .6s var(--ease-out);
}
.product-card-media img.img-back { opacity: 0; }
.product-card:hover .product-card-media img.img-front { opacity: 0; }
.product-card:hover .product-card-media img.img-back { opacity: 1; }
.product-card.is-flipped .product-card-media img.img-front { opacity: 0; }
.product-card.is-flipped .product-card-media img.img-back { opacity: 1; }
.product-card-media:hover img { transform: scale(1.035); }

.product-card-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: repeating-linear-gradient(135deg, var(--bg-soft), var(--bg-soft) 10px, #ebeae6 10px, #ebeae6 20px);
}
.product-card-placeholder span {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  background: var(--bg);
  padding: .4rem .7rem;
  border: 1px solid var(--line);
}

.flip-indicator {
  position: absolute;
  bottom: .6rem; right: .6rem;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.9);
  border: 1px solid var(--line);
  border-radius: 50%;
  z-index: 2;
}
.flip-indicator svg { width: 14px; height: 14px; }

.product-card-badge {
  position: absolute; top: .6rem; left: .6rem;
  z-index: 2;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: .3rem .55rem;
  background: var(--ink);
  color: var(--bg);
}

.product-card-info {
  padding: .9rem 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: .3rem;
  flex: 1;
}
.product-card-cat {
  font-family: var(--mono);
  font-size: .64rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.product-card-name {
  font-size: .92rem;
  font-weight: 600;
  line-height: 1.3;
}
.product-card-price {
  margin-top: auto;
  padding-top: .4rem;
  font-family: var(--mono);
  font-size: .84rem;
  letter-spacing: .02em;
}
.product-card-price.is-muted { color: var(--ink-mute); font-size: .74rem; }

.product-card-link {
  position: absolute; inset: 0;
  z-index: 3;
}

.empty-state {
  padding: 4rem 1rem;
  text-align: center;
  color: var(--ink-mute);
  font-family: var(--mono);
  font-size: .85rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* --- Category tiles (home) --- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.category-tile {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--ink);
  display: flex;
  align-items: flex-end;
}
.category-tile img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .78;
  transition: transform .7s var(--ease-out), opacity .35s var(--ease-out);
}
.category-tile:hover img { transform: scale(1.06); opacity: .62; }
.category-tile-label {
  position: relative; z-index: 1;
  width: 100%;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--bg);
  font-family: var(--display);
  text-transform: uppercase;
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
}
.category-tile-label span.arrow {
  font-family: var(--mono);
  font-size: 1rem;
  transition: transform .3s var(--ease-out);
}
.category-tile:hover .arrow { transform: translateX(4px); }

/* --- Footer --- */
.footer {
  background: var(--ink);
  color: var(--bg);
  padding-block: 3rem 1.75rem;
  margin-top: 4rem;
}
.footer-top {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-bottom: 2.2rem;
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.footer-logo {
  font-family: var(--display);
  text-transform: uppercase;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
}
.footer-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}
.footer-col-title {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: .8rem;
}
.footer-col a, .footer-col p {
  display: block;
  font-size: .92rem;
  padding-block: .3rem;
  color: rgba(255,255,255,.88);
}
.footer-col a:hover { color: var(--bg); text-decoration: underline; }
.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .04em;
  color: rgba(255,255,255,.45);
}

/* --- Dialog / modals (size chart, lightbox) --- */
dialog {
  border: 0;
  padding: 0;
  max-width: min(560px, 92vw);
  width: 100%;
  background: var(--bg);
  color: var(--ink);
}
dialog::backdrop {
  background: rgba(10,10,10,.6);
  backdrop-filter: blur(2px);
}
.modal-inner { padding: 1.75rem; }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.2rem;
}
.modal-title {
  font-family: var(--display);
  text-transform: uppercase;
  font-size: 1.3rem;
}
.modal-close {
  width: 34px; height: 34px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.size-table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: .82rem; }
.size-table th, .size-table td {
  border: 1px solid var(--line);
  padding: .55rem .7rem;
  text-align: center;
}
.size-table th { background: var(--bg-soft); text-transform: uppercase; font-size: .68rem; letter-spacing: .06em; }
.size-empty {
  color: var(--ink-mute);
  font-size: .92rem;
  line-height: 1.6;
}

/* --- Lightbox --- */
.lightbox {
  inset: 0;
  max-width: 100vw;
  width: 100vw;
  height: 100dvh;
  max-height: 100dvh;
  background: var(--ink);
}
.lightbox-stage {
  position: relative;
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  touch-action: none;
}
.lightbox-stage img {
  max-width: 100%; max-height: 100%;
  width: auto; height: auto;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  transition: transform .25s var(--ease-out);
  will-change: transform;
}
.lightbox-close, .lightbox-prev, .lightbox-next, .lightbox-zoom {
  position: absolute;
  z-index: 3;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 50%;
  color: var(--bg);
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,.2); }
.lightbox-close { top: 1rem; right: 1rem; }
.lightbox-prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox-zoom { top: 1rem; left: 1rem; }
.lightbox-zoom.is-zoomed { background: rgba(255,255,255,.9); color: var(--ink); }
.lightbox-zoom svg { width: 18px; height: 18px; }
.lightbox-counter {
  position: absolute; bottom: 1rem; left: 50%; transform: translateX(-50%);
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: rgba(255,255,255,.7);
  z-index: 3;
}
.lightbox-hint {
  position: absolute; bottom: 1rem; right: 1rem;
  font-family: var(--mono);
  font-size: .64rem;
  color: rgba(255,255,255,.4);
  z-index: 3;
}

/* =============================================================
   6. Sections
   ============================================================= */

/* --- Hero --- */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  min-height: 88svh;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.4rem;
  padding: 6.5rem 1.25rem 2.5rem;
  order: 2;
}
.hero-kicker {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.hero-kicker .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero-title {
  font-family: var(--display);
  text-transform: uppercase;
  font-size: clamp(2.6rem, 12vw, 5.2rem);
  line-height: .92;
}
.hero-sub {
  max-width: 42ch;
  color: var(--ink-soft);
  font-size: 1rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: .5rem; }
.hero-media {
  position: relative;
  order: 1;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-soft);
}
.hero-media img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 20%;
}

/* --- Section wrapper --- */
.section { padding-block: 3.5rem; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.section-head-link {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-bottom: 1.5px solid var(--ink);
  padding-bottom: .1rem;
  white-space: nowrap;
}

/* --- Announcement bar --- */
.announce-bar {
  background: var(--ink);
  border-bottom: 1px solid rgba(255,255,255,.1);
  overflow: hidden;
  padding-block: .55rem;
}

/* --- Marquee --- */
.marquee {
  border-block: 1px solid var(--line);
  overflow: hidden;
  padding-block: .85rem;
  background: var(--ink);
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: 2.5rem;
  animation: marquee 26s linear infinite;
}
.marquee-track span {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.8);
  white-space: nowrap;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: .4rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-block: 1.1rem;
}
.breadcrumb a:hover { color: var(--ink); text-decoration: underline; }

/* --- Product detail --- */
.pdp {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 4rem;
}
.pdp-gallery { display: flex; flex-direction: column; gap: .6rem; }
.pdp-main {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-soft);
  cursor: zoom-in;
}
.pdp-main img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
}
.pdp-zoom-hint {
  position: absolute; bottom: .75rem; right: .75rem;
  font-family: var(--mono);
  font-size: .64rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  padding: .35rem .6rem;
  z-index: 2;
}
.pdp-thumbs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .5rem;
}
.pdp-thumb {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-soft);
  border: 1.5px solid transparent;
  opacity: .55;
  transition: opacity .2s var(--ease-out), border-color .2s var(--ease-out);
}
.pdp-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pdp-thumb.is-active { opacity: 1; border-color: var(--ink); }
.pdp-thumb:hover { opacity: 1; }

.pdp-info { display: flex; flex-direction: column; gap: 1.15rem; }
.pdp-cat {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.pdp-name {
  font-family: var(--display);
  text-transform: uppercase;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.02;
}
.pdp-price {
  font-family: var(--mono);
  font-size: 1.25rem;
}
.pdp-price.is-muted { font-size: .95rem; color: var(--ink-mute); }
.pdp-price-note {
  display: block;
  margin-top: -.6rem;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.pdp-availability {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  width: fit-content;
  padding: .4rem .7rem;
  border: 1px solid var(--line);
}
.pdp-availability .dot { width: 7px; height: 7px; border-radius: 50%; }
.pdp-availability.in-stock .dot { background: #1f8a3d; }
.pdp-availability.out-stock .dot { background: var(--accent); }
.pdp-availability.unknown .dot { background: var(--ink-mute); }

.pdp-sizes-label {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: .55rem;
}
.pdp-sizes { display: flex; flex-wrap: wrap; gap: .5rem; }
.pdp-size {
  min-width: 44px;
  padding: .5rem .7rem;
  border: 1.5px solid var(--ink);
  font-family: var(--mono);
  font-size: .8rem;
  text-align: center;
}
.pdp-sizes-empty {
  font-size: .85rem;
  color: var(--ink-mute);
}

.pdp-desc { font-size: .95rem; color: var(--ink-soft); line-height: 1.7; max-width: 56ch; }
.pdp-desc.is-muted { color: var(--ink-mute); font-style: italic; }

.pdp-actions { display: flex; flex-direction: column; gap: .7rem; padding-top: .3rem; }
.pdp-actions-row { display: flex; flex-wrap: wrap; gap: .7rem; }
.pdp-note {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--ink-mute);
  letter-spacing: .02em;
}

.related-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 62%;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: .5rem;
}
.related-strip .product-card {
  scroll-snap-align: start;
  border: 1px solid var(--line);
}

/* =============================================================
   7. Effects
   ============================================================= */
.reveal[data-split] { opacity: 1; transform: none; }

/* Subtle page-to-page transition on navigation clicks */
@view-transition { navigation: auto; }
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: .45s;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}
::view-transition-old(root) { animation-name: pageFadeOut; }
::view-transition-new(root) { animation-name: pageFadeIn; }
@keyframes pageFadeOut { to { opacity: 0; transform: translateY(-8px); } }
@keyframes pageFadeIn { from { opacity: 0; transform: translateY(8px); } }

/* =============================================================
   8. Responsive
   ============================================================= */
@media (min-width: 540px) {
  .container { padding-inline: 2rem; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 720px) {
  .nav-links { display: flex; }
  .burger { display: none; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .hero { grid-template-columns: 1.1fr 1fr; min-height: 80svh; }
  .hero-copy { order: 1; padding: 0 3rem; }
  .hero-media { order: 2; aspect-ratio: auto; }
  .pdp { grid-template-columns: 1.15fr 1fr; }
  .related-strip { grid-auto-columns: 32%; }
}

@media (min-width: 960px) {
  .footer-cols { grid-template-columns: repeat(4, 1fr); }
  .footer-top { flex-direction: row; align-items: flex-end; justify-content: space-between; }
  .related-strip { grid-auto-columns: 23%; overflow-x: visible; grid-auto-flow: initial; grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1280px) {
  .product-grid { grid-template-columns: repeat(4, 1fr); }
  .category-grid { grid-template-columns: repeat(5, 1fr); }
  .hero-copy { padding-inline: 4.5rem; }
}