/* ============================================================
   HEEL. Plantar Fasciitis Compression Sleeve
   ============================================================ */

:root {
  --bone: #F2EDE2;
  --bone-2: #E9E2D1;
  --bone-3: #DFD6BF;
  --ink: #16130B;
  --ink-soft: #4A4434;
  --ink-faint: #6B6450;
  --accent: #E8451F;
  --accent-dark: #C53614;
  --moss: #1E3A28;
  --moss-light: #D9E2CC;
  --gold: #C2912E;
  --white: #FFFDF8;

  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "Archivo", system-ui, sans-serif;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);

  --radius-sm: 10px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-pill: 999px;

  --container: 1280px;
  --gutter: clamp(20px, 4vw, 56px);

  /* z-index scale */
  --z-header: 50;
  --z-drawer: 80;
  --z-menu: 90;
  --z-transition: 100;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* No CSS smooth scrolling: it fights Lenis (input lag, delayed jumps).
   Smooth anchor scrolling is handled in JS instead. */
html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bone);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
input, select { font: inherit; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--accent); color: var(--white); }

/* ---------- Typography ---------- */
.display-xl {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 11vw, 9.5rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.display-lg {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 6.5vw, 5.5rem);
  line-height: 0.96;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.display-md {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}

.display-sm {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  line-height: 1.15;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent);
}

.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 56ch;
}

.text-accent { color: var(--accent); }
.text-outline {
  color: transparent;
  -webkit-text-stroke: 2px var(--ink);
}
.on-dark .text-outline { -webkit-text-stroke: 2px var(--bone); }

/* ---------- Layout ---------- */
.container {
  width: min(var(--container), 100% - var(--gutter) * 2);
  margin-inline: auto;
}

.section {
  padding-block: clamp(72px, 10vw, 140px);
  position: relative;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: clamp(40px, 6vw, 72px);
  max-width: 880px;
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 34px;
  min-height: 56px;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.25s var(--ease-out), background-color 0.25s, color 0.25s, box-shadow 0.25s;
  isolation: isolate;
}
.btn svg { width: 18px; height: 18px; flex: none; transition: transform 0.25s var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 0 var(--accent-dark);
}
.btn-primary:hover { background: var(--accent-dark); box-shadow: 0 2px 0 var(--accent-dark); transform: translateY(2px); }

.btn-ink {
  background: var(--ink);
  color: var(--bone);
}
.btn-ink:hover { background: var(--ink-soft); }

.btn-outline {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 2px var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--bone); }
.on-dark .btn-outline { color: var(--bone); box-shadow: inset 0 0 0 2px var(--bone); }
.on-dark .btn-outline:hover { background: var(--bone); color: var(--ink); }

.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  transition: transform 0.4s var(--ease-out);
}
.site-header.is-hidden { transform: translateY(-110%); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 14px auto 0;
  width: min(var(--container), 100% - var(--gutter) * 2);
  padding: 10px 10px 10px 24px;
  border-radius: var(--radius-pill);
  background: rgba(242, 237, 226, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1.5px solid rgba(22, 19, 11, 0.12);
  transition: box-shadow 0.3s;
}
.is-scrolled .header-inner { box-shadow: 0 12px 32px -16px rgba(22, 19, 11, 0.28); }

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  line-height: 1;
  display: inline-flex;
  align-items: center;
}
.logo .dot { color: var(--accent); }

.nav-desktop { display: flex; align-items: center; gap: 4px; }
.nav-link {
  position: relative;
  padding: 10px 16px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  transition: background-color 0.2s, color 0.2s;
}
.nav-link:hover { background: rgba(22, 19, 11, 0.07); }
.nav-link[aria-current="page"] { color: var(--accent); }

.header-actions { display: flex; align-items: center; gap: 8px; }

.cart-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  min-height: 44px;
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: background-color 0.25s, transform 0.25s var(--ease-out);
}
.cart-btn:hover { background: var(--accent); }
.cart-count {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 22px;
  padding-inline: 6px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: var(--white);
  font-size: 0.75rem;
  transition: background-color 0.25s;
}
.cart-btn:hover .cart-count { background: var(--ink); }
.cart-btn.bump { animation: bump 0.45s var(--ease-out); }
@keyframes bump { 30% { transform: scale(1.12); } }

.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bone);
  place-items: center;
}
.menu-btn svg { width: 20px; height: 20px; }

/* ---------- Mobile menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-menu);
  background: var(--ink);
  color: var(--bone);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--gutter);
  clip-path: circle(0% at calc(100% - 48px) 48px);
  visibility: hidden;
  transition: clip-path 0.6s var(--ease-expo), visibility 0s 0.6s;
}
.mobile-menu.is-open {
  clip-path: circle(150% at calc(100% - 48px) 48px);
  visibility: visible;
  transition: clip-path 0.6s var(--ease-expo);
}
.mobile-menu nav { display: flex; flex-direction: column; gap: 8px; }
.mobile-menu .nav-link {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 9vw, 3.4rem);
  font-weight: 800;
  text-transform: uppercase;
  padding: 8px 0;
  border-radius: 0;
}
.mobile-menu .nav-link:hover { background: none; color: var(--accent); }
.mobile-menu-close {
  position: absolute;
  top: 24px;
  right: var(--gutter);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bone);
  color: var(--ink);
  display: grid;
  place-items: center;
}
.mobile-menu-close svg { width: 20px; height: 20px; }
.mobile-menu-foot {
  margin-top: 48px;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(242, 237, 226, 0.55);
}

/* ---------- Page transition overlay ---------- */
.page-transition {
  position: fixed;
  inset: 0;
  z-index: var(--z-transition);
  pointer-events: none;
  display: grid;
  place-items: center;
  background: var(--ink);
  transform: translateY(100%);
}
.page-transition .pt-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 8vw, 5rem);
  color: var(--bone);
  letter-spacing: -0.02em;
  opacity: 0;
}
.page-transition .pt-logo .dot { color: var(--accent); }
html.transitioning .page-transition { transform: translateY(0); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: 140px;
  padding-bottom: 0;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: end;
  gap: clamp(24px, 4vw, 64px);
}
.hero-copy { padding-bottom: clamp(48px, 7vw, 96px); }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  background: var(--white);
  border: 1.5px solid rgba(22, 19, 11, 0.14);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-tag .pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232, 69, 31, 0.5); }
  50% { box-shadow: 0 0 0 7px rgba(232, 69, 31, 0); }
}
.hero h1 { margin-bottom: 28px; }
.hero h1 .line, .page-hero h1 .line { display: block; overflow: hidden; }
.hero h1 .line > span, .page-hero h1 .line > span { display: block; will-change: transform; }
.hero .lede { margin-bottom: 36px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-rating { display: flex; align-items: center; gap: 10px; margin-top: 28px; font-size: 0.9rem; font-weight: 600; color: var(--ink-soft); }
.stars { display: inline-flex; gap: 2px; color: var(--gold); }
.stars svg { width: 16px; height: 16px; }

.hero-visual {
  position: relative;
  align-self: end;
  display: flex;
  justify-content: center;
}
.hero-visual .sleeve-stage {
  width: min(520px, 100%);
  position: relative;
}
.hero-blob {
  position: absolute;
  inset: -12% -8%;
  z-index: -1;
}
.rotator-badge {
  position: absolute;
  top: 2%;
  right: 0;
  width: clamp(100px, 12vw, 150px);
  height: clamp(100px, 12vw, 150px);
}
.rotator-badge .spin-text { animation: spin 14s linear infinite; transform-origin: center; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-marquee-wrap { margin-top: 0; }

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  background: var(--accent);
  color: var(--white);
  padding-block: 16px;
  border-block: 2px solid var(--ink);
}
.marquee.marquee-ink { background: var(--ink); color: var(--bone); }
.marquee-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee-group {
  display: flex;
  align-items: center;
  flex: none;
}
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  padding-inline: 24px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.95rem, 1.6vw, 1.2rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.marquee-item svg { width: 16px; height: 16px; flex: none; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Stats / problem ---------- */
.section-problem { background: var(--ink); color: var(--bone); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(242, 237, 226, 0.15);
  border: 2px solid rgba(242, 237, 226, 0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stat-card {
  background: var(--ink);
  padding: clamp(28px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.stat-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1;
  color: var(--accent);
}
/* Unit on its own line so the value box never reflows while the number counts up
   (digit "0" is wider than "1" — a mid-count wrap was jittering the page height). */
.stat-unit { display: block; }
.stat-label { font-size: 0.95rem; color: rgba(242, 237, 226, 0.7); max-width: 26ch; }

/* ---------- Feature scroll (sticky) ---------- */
.feature-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.feature-sticky {
  position: sticky;
  top: 110px;
  border-radius: var(--radius-lg);
  background: var(--bone-2);
  border: 2px solid var(--ink);
  overflow: hidden;
  padding: clamp(24px, 3vw, 48px);
}
.feature-cards { display: flex; flex-direction: column; gap: clamp(20px, 3vw, 32px); }
.feature-card {
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--radius-md);
  padding: clamp(24px, 3vw, 40px);
  box-shadow: 6px 6px 0 var(--ink);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.feature-card:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 var(--ink); }
.feature-num {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 800;
  margin-bottom: 18px;
}
.feature-card h3 { margin-bottom: 10px; }
.feature-card p { color: var(--ink-soft); }

/* ---------- Steps ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2.5vw, 28px);
}
.step-card {
  position: relative;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--radius-md);
  padding: clamp(26px, 3vw, 40px);
  overflow: hidden;
}
.step-card .step-big {
  position: absolute;
  right: -8px;
  top: -22px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 7rem;
  line-height: 1;
  color: var(--bone-2);
  z-index: 0;
  pointer-events: none;
}
.step-card > * { position: relative; z-index: 1; }
.step-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--moss-light);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}
.step-icon svg { width: 28px; height: 28px; color: var(--moss); }
.step-card h3 { margin-bottom: 10px; }
.step-card p { color: var(--ink-soft); font-size: 0.98rem; }

/* ---------- Reviews ---------- */
.section-reviews { background: var(--moss); color: var(--bone); overflow: hidden; }
.section-reviews .eyebrow { color: rgba(242, 237, 226, 0.7); }
.reviews-track {
  display: flex;
  gap: 20px;
  width: max-content;
  padding-block: 8px;
  animation: marquee 45s linear infinite;
}
.reviews-track:hover { animation-play-state: paused; }
.review-card {
  width: clamp(290px, 28vw, 380px);
  flex: none;
  background: var(--white);
  color: var(--ink);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.review-card p { font-size: 0.98rem; line-height: 1.55; }
.review-meta { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.review-name { font-weight: 700; font-size: 0.92rem; }
.review-tag { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--moss); background: var(--moss-light); padding: 5px 10px; border-radius: var(--radius-pill); }

/* ---------- CTA banner ---------- */
.cta-banner {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--accent);
  color: var(--white);
  padding: clamp(48px, 7vw, 96px) clamp(28px, 5vw, 80px);
  text-align: center;
  overflow: hidden;
}
.cta-banner h2 { margin-bottom: 18px; }
.cta-banner .lede { color: rgba(255, 253, 248, 0.9); margin-inline: auto; margin-bottom: 36px; }
.cta-banner .btn-ink:hover { background: var(--white); color: var(--ink); }
.cta-banner .cta-deco {
  position: absolute;
  width: 200px;
  opacity: 0.18;
  pointer-events: none;
}
.cta-deco.left { left: -40px; bottom: -50px; transform: rotate(-18deg); }
.cta-deco.right { right: -40px; top: -50px; transform: rotate(160deg); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--bone);
  padding-top: clamp(56px, 8vw, 100px);
  overflow: hidden;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(32px, 4vw, 56px);
  padding-bottom: clamp(40px, 6vw, 72px);
}
.footer-brand p { color: rgba(242, 237, 226, 0.65); max-width: 32ch; margin-top: 16px; font-size: 0.95rem; }
.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(242, 237, 226, 0.5);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 0.95rem;
  color: rgba(242, 237, 226, 0.85);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent); }
.footer-wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4rem, 17vw, 16rem);
  line-height: 0.8;
  letter-spacing: -0.03em;
  text-align: center;
  color: var(--bone);
  user-select: none;
  margin-top: clamp(16px, 3vw, 40px);
  transform: translateY(0.16em);
}
.footer-wordmark .dot { color: var(--accent); }
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  padding-block: 22px;
  border-top: 1px solid rgba(242, 237, 226, 0.15);
  font-size: 0.82rem;
  color: rgba(242, 237, 226, 0.5);
}

/* ---------- Product page ---------- */
.product-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
  padding-top: 140px;
}
.product-gallery { position: sticky; top: 110px; }
.gallery-main {
  border-radius: var(--radius-lg);
  background: var(--bone-2);
  border: 2px solid var(--ink);
  padding: clamp(24px, 3vw, 56px);
  position: relative;
  overflow: hidden;
}
.gallery-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  z-index: 2;
}
.gallery-thumbs { display: flex; gap: 12px; margin-top: 14px; }
.gallery-thumb {
  width: 84px;
  height: 84px;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(22, 19, 11, 0.18);
  background: var(--bone-2);
  display: grid;
  place-items: center;
  padding: 12px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s var(--ease-out);
}
.gallery-thumb:hover { transform: translateY(-3px); }
.gallery-thumb.is-active { border-color: var(--ink); background: var(--white); }

.buy-box h1 { margin-bottom: 12px; }
.buy-rating { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; font-size: 0.92rem; font-weight: 600; color: var(--ink-soft); }
.buy-price { display: flex; align-items: baseline; gap: 14px; margin-bottom: 8px; }
.price-now { font-family: var(--font-display); font-weight: 800; font-size: 2.2rem; }
.price-was { font-size: 1.2rem; color: var(--ink-faint); text-decoration: line-through; }
.price-save {
  background: var(--moss-light);
  color: var(--moss);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
}
.buy-sub { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 28px; }

.option-group { margin-bottom: 24px; }
.option-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.option-label .size-guide-link {
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.size-row { display: flex; flex-wrap: wrap; gap: 10px; }
.size-error {
  margin-top: 12px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-dark);
}

.swatch-row { display: flex; gap: 12px; }
.swatch {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--sw, var(--accent));
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px rgba(22, 19, 11, 0.25);
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s var(--ease-out);
}
.swatch:hover { transform: translateY(-2px); }
.swatch.is-active { box-shadow: 0 0 0 3px var(--ink); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.size-pill {
  min-width: 64px;
  min-height: 48px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 2px solid rgba(22, 19, 11, 0.22);
  font-weight: 700;
  cursor: pointer;
  background: var(--white);
  transition: border-color 0.2s, background-color 0.2s, color 0.2s, transform 0.15s var(--ease-out);
}
.size-pill:hover { border-color: var(--ink); transform: translateY(-2px); }
.size-pill[aria-pressed="true"] { background: var(--ink); color: var(--bone); border-color: var(--ink); }

.qty-cart-row { display: flex; gap: 12px; margin-block: 28px 14px; }
.qty-stepper {
  display: flex;
  align-items: center;
  border: 2px solid var(--ink);
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: var(--white);
  flex: none;
}
.qty-stepper button {
  width: 48px;
  height: 56px;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  font-weight: 700;
  transition: background-color 0.2s;
}
.qty-stepper button:hover { background: var(--bone-2); }
.qty-stepper input {
  width: 44px;
  text-align: center;
  border: none;
  background: none;
  font-weight: 700;
  font-size: 1.05rem;
  -moz-appearance: textfield;
  appearance: textfield;
}
.qty-stepper input::-webkit-outer-spin-button,
.qty-stepper input::-webkit-inner-spin-button { -webkit-appearance: none; }

.buy-usps { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-block: 26px; }
.buy-usp { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; font-weight: 600; color: var(--ink-soft); }
.buy-usp svg { width: 20px; height: 20px; color: var(--moss); flex: none; }

.accordion { border-top: 1.5px solid rgba(22, 19, 11, 0.16); }
.accordion-item { border-bottom: 1.5px solid rgba(22, 19, 11, 0.16); }
.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  text-align: left;
  cursor: pointer;
}
.accordion-trigger .acc-icon {
  width: 32px; height: 32px;
  flex: none;
  border-radius: 50%;
  border: 2px solid var(--ink);
  display: grid;
  place-items: center;
  transition: transform 0.35s var(--ease-out), background-color 0.25s, color 0.25s;
}
.accordion-trigger .acc-icon svg { width: 14px; height: 14px; }
.accordion-item.is-open .acc-icon { transform: rotate(45deg); background: var(--ink); color: var(--bone); }
.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease-out);
}
.accordion-item.is-open .accordion-panel { grid-template-rows: 1fr; }
.accordion-panel-inner { overflow: hidden; }
.accordion-panel-content { padding: 0 4px 24px; color: var(--ink-soft); font-size: 0.97rem; }
.accordion-panel-content ul { list-style: disc; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }

.size-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.size-table th, .size-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid rgba(22, 19, 11, 0.14); }
.size-table th { font-weight: 700; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* ---------- Science page ---------- */
.page-hero {
  padding-top: clamp(150px, 20vh, 200px);
  padding-bottom: clamp(48px, 7vw, 88px);
}
.page-hero .lede { margin-top: 24px; }

.anatomy-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 88px);
  align-items: center;
}
.anatomy-figure {
  border-radius: var(--radius-lg);
  background: var(--bone-2);
  border: 2px solid var(--ink);
  padding: clamp(20px, 3vw, 48px);
}
.anatomy-points { display: flex; flex-direction: column; gap: 18px; }
.anatomy-point {
  display: flex;
  gap: 18px;
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--white);
  border: 2px solid rgba(22, 19, 11, 0.14);
  transition: border-color 0.25s, transform 0.25s var(--ease-out);
}
.anatomy-point:hover { border-color: var(--ink); transform: translateX(6px); }
.anatomy-point .pt-num {
  flex: none;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
}
.anatomy-point h3 { font-size: 1.05rem; margin-bottom: 4px; }
.anatomy-point p { font-size: 0.92rem; color: var(--ink-soft); }

.compression-bars { display: flex; flex-direction: column; gap: 22px; max-width: 760px; }
.comp-bar-row { display: flex; flex-direction: column; gap: 8px; }
.comp-bar-head { display: flex; justify-content: space-between; font-weight: 700; font-size: 0.92rem; }
.comp-bar-head .mmhg { color: var(--accent); font-family: var(--font-display); }
.comp-bar {
  height: 18px;
  background: var(--bone-3);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.comp-bar-fill {
  height: 100%;
  width: 0%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
}
.comp-note { font-size: 0.85rem; color: var(--ink-faint); margin-top: 10px; }

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 24px);
}
.evidence-card {
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--radius-md);
  padding: clamp(24px, 3vw, 36px);
  box-shadow: 5px 5px 0 var(--ink);
}
.evidence-card .ev-stat {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}
.evidence-card p { color: var(--ink-soft); font-size: 0.95rem; }
.evidence-card .ev-src { display: block; margin-top: 14px; font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 820px; margin-inline: auto; }

/* ---------- Cart drawer ---------- */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-drawer) - 1);
  background: rgba(22, 19, 11, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0s 0.35s;
}
.drawer-backdrop.is-open { opacity: 1; visibility: visible; transition: opacity 0.35s; }

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-drawer);
  width: min(440px, 100%);
  background: var(--bone);
  display: flex;
  flex-direction: column;
  transform: translateX(105%);
  transition: transform 0.5s var(--ease-expo);
  box-shadow: -24px 0 60px rgba(22, 19, 11, 0.25);
}
.cart-drawer.is-open { transform: translateX(0); }
.cart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  border-bottom: 2px solid var(--ink);
}
.cart-head h2 { font-size: 1.3rem; }
.cart-close {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bone);
  display: grid;
  place-items: center;
  transition: background-color 0.2s;
}
.cart-close:hover { background: var(--accent); }
.cart-close svg { width: 18px; height: 18px; }
.cart-items { flex: 1; overflow-y: auto; padding: 20px 24px; display: flex; flex-direction: column; gap: 16px; }
.cart-empty { text-align: center; padding: 48px 24px; color: var(--ink-soft); display: flex; flex-direction: column; align-items: center; gap: 18px; }
.cart-empty svg { width: 56px; height: 56px; color: var(--bone-3); }
.cart-item {
  display: flex;
  gap: 14px;
  background: var(--white);
  border: 1.5px solid rgba(22, 19, 11, 0.14);
  border-radius: var(--radius-md);
  padding: 14px;
}
.cart-item-thumb {
  width: 72px; height: 72px;
  flex: none;
  border-radius: var(--radius-sm);
  background: var(--bone-2);
  display: grid;
  place-items: center;
  padding: 10px;
}
.cart-item-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.cart-item-name { font-weight: 700; font-size: 0.95rem; }
.cart-item-meta { font-size: 0.82rem; color: var(--ink-soft); }
.cart-item-row { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }
.cart-item-qty { display: flex; align-items: center; gap: 4px; }
.cart-item-qty button {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1.5px solid rgba(22, 19, 11, 0.25);
  display: grid;
  place-items: center;
  font-weight: 700;
  transition: background-color 0.2s, border-color 0.2s;
}
.cart-item-qty button:hover { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.cart-item-qty span { min-width: 26px; text-align: center; font-weight: 700; font-size: 0.92rem; }
.cart-item-price { font-weight: 700; font-size: 0.95rem; }
.cart-item-remove {
  font-size: 0.78rem;
  color: var(--ink-faint);
  text-decoration: underline;
  text-underline-offset: 2px;
  margin-top: 4px;
  align-self: flex-start;
}
.cart-item-remove:hover { color: var(--accent); }
.cart-foot { padding: 24px; border-top: 2px solid var(--ink); background: var(--white); }
.cart-subtotal { display: flex; justify-content: space-between; font-weight: 700; font-size: 1.1rem; margin-bottom: 6px; }
.cart-ship-note { font-size: 0.82rem; color: var(--ink-soft); margin-bottom: 18px; }
.free-ship-bar { height: 8px; border-radius: var(--radius-pill); background: var(--bone-2); overflow: hidden; margin-bottom: 8px; }
.free-ship-fill { height: 100%; background: var(--moss); border-radius: var(--radius-pill); transition: width 0.5s var(--ease-out); }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  z-index: var(--z-menu);
  transform: translate(-50%, 150%);
  background: var(--ink);
  color: var(--bone);
  padding: 14px 24px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: transform 0.45s var(--ease-expo);
  box-shadow: 0 16px 40px rgba(22, 19, 11, 0.3);
  max-width: calc(100vw - 40px);
}
.toast.is-visible { transform: translate(-50%, 0); }
.toast svg { width: 18px; height: 18px; color: #7BC47F; flex: none; }

/* ---------- Reveal helpers ---------- */
[data-reveal] { opacity: 0; transform: translateY(36px); }
.no-js [data-reveal], .reduced-motion [data-reveal] { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1023px) {
  .nav-desktop { display: none; }
  .menu-btn { display: grid; }
  .cart-btn .cart-label { display: none; }
  .cart-btn { padding: 12px 16px; }
  .feature-layout { grid-template-columns: 1fr; }
  .feature-sticky { position: relative; top: 0; }
  .product-layout { grid-template-columns: 1fr; padding-top: 120px; }
  .product-gallery { position: relative; top: 0; }
  .anatomy-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .hero { padding-top: 110px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { padding-bottom: 12px; }
  .hero-visual .sleeve-stage { width: min(380px, 86%); }
  .rotator-badge { top: -4%; right: 2%; }
  .stats-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .evidence-grid { grid-template-columns: 1fr; }
  .buy-usps { grid-template-columns: 1fr; }
  .qty-cart-row { flex-direction: column; }
  .qty-stepper { align-self: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .gallery-thumb { width: 68px; height: 68px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .marquee-track, .reviews-track { animation: none; flex-wrap: wrap; width: 100%; }
}