.vh-pdp { position: relative; overflow: hidden; isolation: isolate; }
.vh-pdp::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px;
  background: linear-gradient(90deg, var(--_pdp-color, var(--vh-primary)), color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 60%, var(--vh-primary)));
}
.vh-pdp__halo {
  position: absolute; right: -50px; top: -60px;
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 18%, transparent), transparent);
  z-index: -1; pointer-events: none;
}
.vh-pdp__price-num {
  font-size: var(--vh-text-2xl);
  font-weight: var(--vh-weight-bold);
  color: var(--vh-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--vh-tracking-tight);
}
.vh-pdp__cta { gap: var(--vh-space-4); align-items: stretch; }
.vh-pdp__cta > form, .vh-pdp__cta > a.vh-btn { flex: 1; }

/* === Breadcrumb === */
.vh-pdp__crumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  font-size: var(--vh-text-xs);
  color: var(--vh-text-subtle);
}
.vh-pdp__crumb a { color: var(--vh-text-muted); text-decoration: none; }
.vh-pdp__crumb a:hover { color: var(--vh-primary); }
.vh-pdp__crumb__current {
  color: var(--vh-text);
  font-weight: var(--vh-weight-semibold);
  max-width: 60ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* === Apple-style full-bleed hero band === */
.vh-pdp__heroband {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--vh-space-phi-2);
  padding: var(--vh-space-phi-3) var(--vh-space-phi-2);
  border-radius: var(--vh-radius-3xl);
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(60% 80% at 0% 100%, color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 28%, transparent) 0%, transparent 70%),
    radial-gradient(50% 70% at 100% 0%, color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 22%, transparent) 0%, transparent 70%),
    var(--vh-bg-elevated);
  border: 1px solid color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 18%, var(--vh-glass-border));
  box-shadow: var(--vh-shadow-2);
}
@media (min-width: 760px) {
  .vh-pdp__heroband {
    grid-template-columns: 61.8% 38.2%;
    align-items: center;
    padding: var(--vh-space-phi-4) var(--vh-space-phi-3);
  }
}
.vh-pdp__heroband__halo {
  position: absolute; right: -120px; bottom: -120px;
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 24%, transparent), transparent);
  z-index: -1; pointer-events: none;
  filter: blur(8px);
}
.vh-pdp__heroband__copy {
  display: flex; flex-direction: column; gap: var(--vh-space-3);
  min-width: 0;
}
.vh-pdp__heroband__top {
  display: flex; align-items: center; gap: var(--vh-space-2);
  flex-wrap: wrap;
}
.vh-pdp__rating {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px;
  background: var(--vh-glass-bg);
  border: 1px solid var(--vh-glass-border);
  border-radius: var(--vh-radius-pill);
  font-size: var(--vh-text-xs);
  font-weight: var(--vh-weight-semibold);
  color: var(--vh-text);
}
.vh-pdp__rating svg { color: var(--vh-secondary); fill: currentColor; }
.vh-pdp__heroband__title {
  margin: 0;
  font-size: var(--vh-text-2xl);
  font-weight: var(--vh-weight-bold);
  letter-spacing: var(--vh-tracking-display);
  line-height: 1.06;
  color: var(--vh-text);
}
@media (min-width: 760px) {
  .vh-pdp__heroband__title { font-size: var(--vh-text-display); }
}
.vh-pdp__heroband__sub {
  margin: 0;
  font-size: var(--vh-text-md);
  color: var(--vh-text-muted);
  line-height: var(--vh-leading-relaxed);
  max-width: 56ch;
}
.vh-pdp__heroband__metrics {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: var(--vh-space-phi-2);
}
.vh-pdp__heroband__metrics li {
  display: flex; flex-direction: column; gap: 2px;
  padding-right: var(--vh-space-phi-2);
  border-right: 1px solid var(--vh-border);
}
.vh-pdp__heroband__metrics li:last-child { border-right: 0; padding-right: 0; }
.vh-pdp__heroband__metrics strong {
  font-size: var(--vh-text-xl);
  font-weight: var(--vh-weight-bold);
  color: var(--_pdp-color, var(--vh-primary));
  letter-spacing: -0.01em;
  line-height: 1;
}
.vh-pdp__heroband__metrics span {
  font-size: var(--vh-text-2xs);
  color: var(--vh-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--vh-tracking-wide);
  font-weight: var(--vh-weight-semibold);
}
.vh-pdp__tags {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 6px;
}
.vh-pdp__tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px;
  background: color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 14%, var(--vh-bg-elevated));
  color: var(--_pdp-color, var(--vh-primary));
  border: 1px solid color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 24%, transparent);
  border-radius: var(--vh-radius-pill);
  font-size: var(--vh-text-2xs);
  font-weight: var(--vh-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--vh-tracking-wide);
}
.vh-pdp__heroband__art {
  display: flex; align-items: center; justify-content: center;
  color: var(--_pdp-color, var(--vh-primary));
  opacity: 0.85;
}
.vh-pdp__heroband__art svg {
  width: 100%; max-width: 200px; height: auto;
  stroke: currentColor; fill: none; stroke-width: 1.4;
  filter: drop-shadow(0 12px 24px color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 32%, transparent));
  animation: vh-pdp-art-drift 8s ease-in-out infinite alternate;
}
@keyframes vh-pdp-art-drift {
  from { transform: translateY(0) rotate(0); }
  to   { transform: translateY(-8px) rotate(2deg); }
}
@media (prefers-reduced-motion: reduce) {
  .vh-pdp__heroband__art svg { animation: none; }
}

/* === How-it-works timeline === */
.vh-pdp__timeline { list-style: none; padding: 0; margin: var(--vh-space-3) 0 0; display: grid; gap: var(--vh-space-2); }
@media (min-width: 760px) { .vh-pdp__timeline { grid-template-columns: 1fr 1fr; } }
.vh-pdp__step {
  display: grid;
  grid-template-columns: 32px 32px 1fr;
  gap: var(--vh-space-3);
  align-items: center;
  padding: var(--vh-space-3) var(--vh-space-3);
  background: var(--vh-bg-elevated);
  border: 1px solid var(--vh-border);
  border-radius: var(--vh-radius-2xl);
  transition: border-color var(--vh-dur-cinematic) var(--vh-ease-soft),
              box-shadow   var(--vh-dur-cinematic) var(--vh-ease-soft),
              transform    var(--vh-dur-cinematic) var(--vh-ease-soft);
}
.vh-pdp__step.is-active {
  border-color: var(--_pdp-color, var(--vh-primary));
  box-shadow: 0 8px 24px -10px color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 36%, transparent);
  transform: translateY(-1px);
}
.vh-pdp__step__num {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: var(--vh-bg-muted);
  color: var(--vh-text-muted);
  border-radius: 50%;
  font-size: var(--vh-text-xs); font-weight: var(--vh-weight-bold);
  transition: background var(--vh-dur-cinematic) var(--vh-ease-soft),
              color      var(--vh-dur-cinematic) var(--vh-ease-soft);
}
.vh-pdp__step.is-active .vh-pdp__step__num {
  background: var(--_pdp-color, var(--vh-primary));
  color: var(--vh-text-on-brand);
}
.vh-pdp__step__icon { color: var(--_pdp-color, var(--vh-primary)); display: flex; }
.vh-pdp__step__icon svg { stroke: currentColor; fill: none; stroke-width: 1.7; }
.vh-pdp__step__copy h3 {
  margin: 0; font-size: var(--vh-text-sm); font-weight: var(--vh-weight-bold);
}
.vh-pdp__step__copy p {
  margin: 2px 0 0; font-size: var(--vh-text-xs); color: var(--vh-text-muted);
  line-height: var(--vh-leading-relaxed);
}
@media (prefers-reduced-motion: reduce) {
  .vh-pdp__step { transition: none; }
}

/* === Reviews block === */
.vh-pdp__reviews__top {
  display: grid; gap: var(--vh-space-phi-2);
  grid-template-columns: 1fr;
  align-items: center;
  margin-top: var(--vh-space-3);
}
@media (min-width: 760px) {
  .vh-pdp__reviews__top { grid-template-columns: minmax(160px, 220px) 1fr; }
}
.vh-pdp__reviews__score {
  display: flex; flex-direction: column; gap: 4px;
  padding: var(--vh-space-3); text-align: center;
  background: var(--vh-bg-muted);
  border-radius: var(--vh-radius-2xl);
}
.vh-pdp__reviews__num {
  font-size: var(--vh-text-2xl);
  font-weight: var(--vh-weight-bold);
  color: var(--_pdp-color, var(--vh-primary));
  letter-spacing: -0.01em;
  line-height: 1;
}
.vh-pdp__reviews__stars { display: inline-flex; justify-content: center; gap: 2px; color: var(--vh-secondary); }
.vh-pdp__reviews__stars svg { fill: currentColor; stroke: currentColor; }
.vh-pdp__reviews__count { font-size: var(--vh-text-xs); color: var(--vh-text-muted); }
.vh-pdp__reviews__bars { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.vh-pdp__reviews__bars li { display: grid; grid-template-columns: 32px 1fr 50px; gap: 8px; align-items: center; font-size: var(--vh-text-xs); }
.vh-pdp__reviews__bar__label { color: var(--vh-text-muted); }
.vh-pdp__reviews__bar { display: block; height: 6px; background: var(--vh-bg-muted); border-radius: var(--vh-radius-pill); overflow: hidden; }
.vh-pdp__reviews__bar i { display: block; height: 100%; background: var(--_pdp-color, var(--vh-primary)); border-radius: inherit; }
.vh-pdp__reviews__bar__count { color: var(--vh-text-subtle); text-align: right; }

.vh-pdp__reviews__quotes { list-style: none; padding: 0; margin: var(--vh-space-3) 0 0; display: grid; gap: var(--vh-space-2); grid-template-columns: 1fr; }
@media (min-width: 760px) { .vh-pdp__reviews__quotes { grid-template-columns: repeat(3, 1fr); } }
.vh-pdp__quote {
  position: relative;
  padding: var(--vh-space-4) var(--vh-space-3) var(--vh-space-3);
  background: var(--vh-bg-elevated);
  border: 1px solid var(--vh-border);
  border-radius: var(--vh-radius-2xl);
}
.vh-pdp__quote__mark {
  position: absolute; top: -10px; left: 14px;
  font-size: 36px; font-weight: var(--vh-weight-bold);
  color: var(--_pdp-color, var(--vh-primary));
  line-height: 1;
}
.vh-pdp__quote__body { margin: 0; font-size: var(--vh-text-sm); line-height: var(--vh-leading-relaxed); color: var(--vh-text); }
.vh-pdp__quote__by { display: block; margin-top: var(--vh-space-2); font-size: var(--vh-text-2xs); color: var(--vh-text-subtle); font-weight: var(--vh-weight-semibold); }

/* === Cohort signal === */
.vh-pdp__cohort {
  display: flex; align-items: center; gap: var(--vh-space-3);
  padding: var(--vh-space-phi-1) var(--vh-space-phi-2);
}
.vh-pdp__cohort__icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  background: color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 14%, var(--vh-bg-elevated));
  color: var(--_pdp-color, var(--vh-primary));
}
.vh-pdp__cohort__text { margin: 2px 0 0; font-size: var(--vh-text-md); font-weight: var(--vh-weight-semibold); color: var(--vh-text); }

/* === Lab partner card === */
.vh-pdp__partner { padding: var(--vh-space-phi-2); }
.vh-pdp__partner__top {
  display: flex; align-items: center; gap: var(--vh-space-3);
  flex-wrap: wrap;
}
.vh-pdp__partner__logo {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  background: color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 14%, var(--vh-bg-elevated));
  color: var(--_pdp-color, var(--vh-primary));
}
.vh-pdp__partner__name {
  margin: 0; font-size: var(--vh-text-md);
  font-weight: var(--vh-weight-bold);
  letter-spacing: var(--vh-tracking-tight);
}
.vh-pdp__partner__top > div { flex: 1; min-width: 0; }
.vh-pdp__partner__certs {
  list-style: none; padding: 0; margin: var(--vh-space-3) 0 0;
  display: flex; flex-wrap: wrap; gap: var(--vh-space-3);
  font-size: var(--vh-text-2xs); color: var(--vh-text-muted);
  font-weight: var(--vh-weight-semibold);
  text-transform: uppercase; letter-spacing: var(--vh-tracking-wide);
}
.vh-pdp__partner__certs li { display: inline-flex; align-items: center; gap: 6px; }
.vh-pdp__partner__certs svg { color: var(--vh-success); }

/* === Sample report modal === */
.vh-pdp__sample {
  padding: var(--vh-space-4) var(--vh-space-4);
  background: var(--vh-bg-elevated);
  border: 1px solid var(--vh-border);
  border-radius: var(--vh-radius-2xl);
}
.vh-pdp__sample__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--vh-space-3); }
.vh-pdp__sample__brand { display: inline-flex; align-items: center; gap: 6px; font-weight: var(--vh-weight-bold); color: var(--vh-primary); font-size: var(--vh-text-sm); }
.vh-pdp__sample__serial { font-size: var(--vh-text-2xs); color: var(--vh-text-subtle); }
.vh-pdp__sample__title { margin: 0; font-size: var(--vh-text-md); font-weight: var(--vh-weight-bold); }
.vh-pdp__sample__rows { list-style: none; padding: 0; margin: var(--vh-space-3) 0; display: grid; gap: 6px; }
.vh-pdp__sample__rows li {
  display: grid; grid-template-columns: 1fr auto 70px;
  gap: var(--vh-space-3); align-items: center;
  padding: var(--vh-space-2) var(--vh-space-3);
  background: var(--vh-bg-muted);
  border-radius: var(--vh-radius-md);
  font-size: var(--vh-text-sm);
}
.vh-pdp__sample__rows strong { font-size: var(--vh-text-md); }
.vh-pdp__sample__note {
  margin: var(--vh-space-3) 0 0; padding: var(--vh-space-3);
  background: var(--vh-primary-soft);
  border-radius: var(--vh-radius-md);
  font-size: var(--vh-text-xs); color: var(--vh-text-muted);
  line-height: var(--vh-leading-relaxed);
}

/* === Buybox enhancements (PDP-P3) === */
.vh-pdp__buybox { display: flex; flex-direction: column; gap: var(--vh-space-3); }
.vh-pdp__avail {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  background: color-mix(in srgb, var(--vh-success) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--vh-success) 24%, transparent);
  border-radius: var(--vh-radius-pill);
  font-size: var(--vh-text-xs);
  color: var(--vh-text);
}
.vh-pdp__avail__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--vh-success);
  box-shadow: 0 0 0 0 var(--vh-success);
  animation: vh-pdp-avail-pulse 1.6s ease-out infinite;
}
@keyframes vh-pdp-avail-pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--vh-success) 60%, transparent); }
  70%  { box-shadow: 0 0 0 10px transparent; }
  100% { box-shadow: 0 0 0 0  transparent; }
}
@media (prefers-reduced-motion: reduce) { .vh-pdp__avail__dot { animation: none; } }

.vh-pdp__pricerow {
  display: flex; align-items: baseline; gap: var(--vh-space-2);
}
.vh-pdp__price__strike {
  color: var(--vh-text-subtle);
  font-size: var(--vh-text-md);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}

.vh-pdp__breakdown {
  display: grid; gap: 6px;
  padding: var(--vh-space-3) var(--vh-space-3);
  background: var(--vh-bg-muted);
  border-radius: var(--vh-radius-md);
}
.vh-pdp__breakdown__row {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: var(--vh-text-xs);
  color: var(--vh-text-muted);
}
.vh-pdp__breakdown__row--save { color: var(--vh-success); font-weight: var(--vh-weight-semibold); }
.vh-pdp__breakdown__row--total {
  padding-top: 6px; margin-top: 2px;
  border-top: 1px dashed var(--vh-border-strong);
  font-size: var(--vh-text-md);
  font-weight: var(--vh-weight-bold);
  color: var(--vh-text);
}

.vh-pdp__coupon {
  display: flex; align-items: center; gap: 8px;
  padding: var(--vh-space-3) var(--vh-space-3);
  background: color-mix(in srgb, var(--vh-secondary) 12%, transparent);
  border: 1px dashed color-mix(in srgb, var(--vh-secondary) 40%, transparent);
  border-radius: var(--vh-radius-md);
  font-size: var(--vh-text-xs);
  color: var(--vh-text);
}
.vh-pdp__coupon svg { color: var(--vh-secondary); flex: 0 0 auto; }

.vh-pdp__quickactions {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--vh-space-2);
  margin-top: var(--vh-space-2);
}
.vh-pdp__qa {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: var(--vh-space-2) var(--vh-space-3);
  background: var(--vh-bg-elevated);
  border: 1px solid var(--vh-border);
  border-radius: var(--vh-radius-pill);
  font-family: inherit;
  font-size: var(--vh-text-xs);
  font-weight: var(--vh-weight-semibold);
  color: var(--vh-text);
  cursor: pointer;
  transition: border-color var(--vh-dur-fast) var(--vh-ease);
}
.vh-pdp__qa:hover { border-color: var(--vh-primary); }

/* === Anchor TOC (desktop only) === */
.vh-pdp__toc {
  list-style: none; padding: 0; margin: 0;
  display: none;
}
@media (min-width: 1180px) {
  .vh-pdp__toc {
    display: block;
    position: sticky; top: 96px;
    font-size: var(--vh-text-xs);
    padding-left: var(--vh-space-2);
    border-left: 1px solid var(--vh-border);
  }
  .vh-pdp__toc li { padding: 4px 0; }
  .vh-pdp__toc a {
    color: var(--vh-text-muted);
    text-decoration: none;
    transition: color var(--vh-dur-fast) var(--vh-ease);
  }
  .vh-pdp__toc a:hover { color: var(--vh-primary); }
}

/* === Cross-sell rail === */
.vh-pdp__rail {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--vh-space-3);
}

/* === What's included / not included (packages) === */
.vh-pdp__includes {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--vh-space-3);
}
@media (min-width: 760px) { .vh-pdp__includes { grid-template-columns: 1fr 1fr; } }
.vh-pdp__includes__col {
  padding: var(--vh-space-phi-1) var(--vh-space-3);
  border-radius: var(--vh-radius-2xl);
  background: var(--vh-bg-muted);
}
.vh-pdp__includes__col h3 {
  margin: 0 0 var(--vh-space-2);
  font-size: var(--vh-text-sm);
  font-weight: var(--vh-weight-bold);
  text-transform: uppercase; letter-spacing: var(--vh-tracking-wide);
  display: flex; align-items: center; gap: 6px;
}
.vh-pdp__includes__col--in h3 { color: var(--vh-success); }
.vh-pdp__includes__col--out h3 { color: var(--vh-text-muted); }
.vh-pdp__includes__col ul {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 4px;
  font-size: var(--vh-text-sm); color: var(--vh-text);
}
.vh-pdp__includes__col li {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 0;
}
.vh-pdp__includes__col--out li { color: var(--vh-text-muted); }

/* === Sticky purchase strip — visible after the right-rail CTA scrolls offscreen,
 *   and always-on on mobile (Apple-Pay-style). Reuses the .vh-paybar primitive
 *   from primitives.css with a couple of PDP-specific positions. */
.vh-pdp__stickybar {
  position: sticky;
  bottom: calc(var(--vh-tabbar-h) + var(--vh-safe-bottom));
  z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--vh-space-3);
  margin: var(--vh-space-4) calc(-1 * var(--vh-space-4)) 0;
  padding: var(--vh-space-3) var(--vh-space-4);
  background: var(--vh-glass-bg-strong);
  backdrop-filter: var(--vh-glass-blur-lg);
  -webkit-backdrop-filter: var(--vh-glass-blur-lg);
  border-top: 1px solid var(--vh-glass-border);
}
.vh-pdp__stickybar__price {
  display: flex; flex-direction: column; gap: 2px;
  font-size: var(--vh-text-2xs);
  color: var(--vh-text-subtle);
  text-transform: uppercase;
  letter-spacing: var(--vh-tracking-wide);
  font-weight: var(--vh-weight-semibold);
}
.vh-pdp__stickybar__price strong {
  font-family: var(--vh-font-mono);
  font-size: var(--vh-text-xl);
  color: var(--vh-text);
}
.vh-pdp__stickybar__cta { flex: 1; max-width: 240px; }
/* Mobile: always show. Desktop: only show when right-rail CTA is offscreen
 * (set by the `.is-pinned` class — IntersectionObserver in body_end). */
@media (min-width: 1024px) {
  .vh-pdp__stickybar {
    display: none;
    position: fixed;
    left: 50%; right: auto;
    bottom: var(--vh-space-4);
    transform: translateX(-50%);
    margin: 0;
    max-width: 720px; width: calc(100% - 2 * var(--vh-space-4));
    border: 1px solid var(--vh-glass-border);
    border-radius: var(--vh-radius-pill);
    padding: var(--vh-space-2) var(--vh-space-2) var(--vh-space-2) var(--vh-space-4);
    box-shadow: var(--vh-shadow-3);
  }
  .vh-pdp__stickybar.is-pinned { display: flex; }
}

/* === Quick-fact strip — small cards under the hero === */
.vh-pdp__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--vh-space-2);
  margin-top: var(--vh-space-3);
}
.vh-pdp__fact {
  display: flex; align-items: center; gap: var(--vh-space-2);
  padding: var(--vh-space-3) var(--vh-space-3);
  background: var(--vh-bg-elevated);
  border: 1px solid var(--vh-border);
  border-radius: var(--vh-radius-2xl);
}
.vh-pdp__fact__icon {
  width: 36px; height: 36px; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 14%, var(--vh-bg-elevated));
  color: var(--_pdp-color, var(--vh-primary));
}
.vh-pdp__fact__icon svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.7; }
.vh-pdp__fact__label {
  font-size: var(--vh-text-2xs); color: var(--vh-text-subtle);
  font-weight: var(--vh-weight-semibold);
  text-transform: uppercase; letter-spacing: var(--vh-tracking-wide);
}
.vh-pdp__fact__value {
  font-size: var(--vh-text-sm); font-weight: var(--vh-weight-semibold);
  color: var(--vh-text); line-height: var(--vh-leading-snug);
}

/* === Rich content sections === */
.vh-pdp__section h2 {
  margin: 0 0 var(--vh-space-2);
  font-size: var(--vh-text-lg);
  font-weight: var(--vh-weight-bold);
  letter-spacing: var(--vh-tracking-tight);
}
.vh-pdp__benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--vh-space-2);
  list-style: none; padding: 0; margin: 0;
}
.vh-pdp__benefit {
  display: flex; gap: var(--vh-space-3);
  padding: var(--vh-space-3) var(--vh-space-3);
  background: var(--vh-bg-elevated);
  border: 1px solid var(--vh-border);
  border-radius: var(--vh-radius-2xl);
}
.vh-pdp__benefit__icon {
  width: 28px; height: 28px; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 14%, var(--vh-bg-elevated));
  color: var(--_pdp-color, var(--vh-primary));
}
.vh-pdp__benefit__icon svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }
.vh-pdp__benefit__title {
  margin: 0; font-size: var(--vh-text-sm);
  font-weight: var(--vh-weight-bold);
}
.vh-pdp__benefit__body {
  margin: 2px 0 0; font-size: var(--vh-text-xs);
  color: var(--vh-text-muted); line-height: var(--vh-leading-relaxed);
}

.vh-pdp__prep {
  padding: var(--vh-space-4) var(--vh-space-phi-2);
  background: color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 8%, var(--vh-bg-elevated));
  border: 1px solid color-mix(in srgb, var(--_pdp-color, var(--vh-primary)) 22%, var(--vh-border));
  border-radius: var(--vh-radius-2xl);
  font-size: var(--vh-text-sm);
  line-height: var(--vh-leading-relaxed);
  color: var(--vh-text);
  white-space: pre-line;
}

.vh-pdp__faqs { display: grid; gap: var(--vh-space-2); }
.vh-pdp__faq {
  background: var(--vh-bg-elevated);
  border: 1px solid var(--vh-border);
  border-radius: var(--vh-radius-2xl);
  overflow: hidden;
}
.vh-pdp__faq summary {
  cursor: pointer;
  list-style: none;
  padding: var(--vh-space-3) var(--vh-space-4);
  font-weight: var(--vh-weight-semibold);
  font-size: var(--vh-text-md);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--vh-space-2);
}
.vh-pdp__faq summary::-webkit-details-marker { display: none; }
.vh-pdp__faq summary::after {
  content: "▾";
  color: var(--vh-primary);
  transition: transform var(--vh-dur-fast) var(--vh-ease);
}
.vh-pdp__faq[open] summary::after { transform: rotate(180deg); }
.vh-pdp__faq__a {
  padding: 0 var(--vh-space-4) var(--vh-space-4);
  font-size: var(--vh-text-sm);
  color: var(--vh-text-muted);
  line-height: var(--vh-leading-relaxed);
  white-space: pre-line;
}

/* === Related products — full-width bottom-of-page rail ===
 * Sits outside the 2-column layout so it spans the full container,
 * separated from the main content by generous breathing room. */
.vh-pdp__related {
  margin-top: var(--vh-space-phi-4);
  padding-top: var(--vh-space-phi-3);
  border-top: 1px solid var(--vh-border);
}
.vh-pdp__related__head {
  display: flex; flex-direction: column; gap: 4px;
  margin-bottom: var(--vh-space-phi-2);
}
.vh-pdp__related__title {
  margin: 0;
  font-size: var(--vh-text-xl);
  font-weight: var(--vh-weight-bold);
  letter-spacing: var(--vh-tracking-tight);
}
.vh-pdp__related__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--vh-space-3);
}
@media (min-width: 1024px) {
  .vh-pdp__related__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--vh-space-4);
  }
}

/* ============================================================
 * Mobile: lift the FAB stack clear of the PDP sticky buy-bar.
 * The sticky bar already sits above the tab bar; the floating
 * AI/body widgets must clear the sticky bar too, or they cover
 * the "Add to cart" CTA.
 * ========================================================== */
@media (max-width: 1023px) {
  main:has(.vh-pdp__stickybar) ~ .vh-fabstack {
    bottom: calc(var(--vh-tabbar-h) + var(--vh-safe-bottom) + 96px);
  }
}

/* ============================================================
 * Biomarkers — "What's measured" cards on Lab Test + Package PDPs
 * Replaces the legacy .vh-pdp__params bulleted list.
 * ========================================================== */
.vh-pdp__bios {
  list-style: none;
  padding: 0;
  margin: var(--vh-space-2) 0 var(--vh-space-3);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--vh-space-2);
}
@media (min-width: 560px) {
  .vh-pdp__bios { grid-template-columns: repeat(2, 1fr); }
}
.vh-pdp__bio {
  background: var(--vh-bg-elevated);
  border: 1px solid var(--vh-border);
  border-radius: var(--vh-radius-md);
  padding: var(--vh-space-3);
  transition: border-color var(--vh-dur-fast) var(--vh-ease);
}
.vh-pdp__bio:hover { border-color: var(--vh-border-strong); }
.vh-pdp__bio__head {
  display: flex;
  align-items: baseline;
  gap: var(--vh-space-2);
  flex-wrap: wrap;
}
.vh-pdp__bio__name {
  font-size: var(--vh-text-sm);
  font-weight: var(--vh-weight-semibold);
  color: var(--vh-text);
}
.vh-pdp__bio__code {
  font-family: var(--vh-font-mono);
  font-size: var(--vh-text-2xs);
  color: var(--vh-product-lab);
  background: color-mix(in srgb, var(--vh-product-lab) 14%, var(--vh-bg-elevated));
  padding: 2px 6px;
  border-radius: 4px;
}
.vh-pdp__bio__desc {
  margin: var(--vh-space-1) 0 0;
  font-size: var(--vh-text-sm);
  color: var(--vh-text-muted);
  line-height: var(--vh-leading-base);
}

/* ============================================================
 * Flatten card chrome on the PDP content sections.
 * Per user request, only .vh-pdp__heroband (own styling) and the
 * .vh-pdp__buybox (via vh-card-v3 in markup) read as cards. The
 * description-area sections lay out as flat text — no background,
 * border, or shadow. Each .vh-card-v3 modifier (--teal/--coral) is
 * overridden here too because the modifier just changes the bg.
 * ========================================================== */
.vh-pdp__layout .vh-pdp,
.vh-pdp__layout .vh-pdp__section,
.vh-pdp__layout .vh-pdp__partner,
.vh-pdp__layout .vh-pdp__cohort,
article.vh-pdp,
section.vh-pdp__section,
section.vh-pdp__timeline-section {
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  padding: 0 20px !important;        /* mobile inset; bumps to 80px at the breakpoint below */
  margin-block: 60px !important;     /* breathing room between flattened sections */
  transform: none !important;
  transition: none !important;
}

/* Laptop / wider — generous 80px horizontal inset on the flat sections.
   760px matches the codebase's tablet+ breakpoint (.vh-steps, .vh-sitemap). */
@media (min-width: 760px) {
  .vh-pdp__layout .vh-pdp,
  .vh-pdp__layout .vh-pdp__section,
  .vh-pdp__layout .vh-pdp__partner,
  .vh-pdp__layout .vh-pdp__cohort,
  article.vh-pdp,
  section.vh-pdp__section,
  section.vh-pdp__timeline-section {
    padding: 0 80px !important;
  }
}

/* Kill the .vh-card-v3 hover lift/shadow on the flattened PDP sections —
 * the base card stylesheet adds a transform + box-shadow on :hover that
 * would otherwise re-introduce a "card" look on mouseover. */
.vh-pdp__layout .vh-pdp:hover,
.vh-pdp__layout .vh-pdp__section:hover,
.vh-pdp__layout .vh-pdp__partner:hover,
.vh-pdp__layout .vh-pdp__cohort:hover,
article.vh-pdp:hover,
section.vh-pdp__section:hover,
section.vh-pdp__timeline-section:hover {
  background: transparent !important;
  border-color: transparent !important;
  box-shadow: none !important;
  transform: none !important;
}