/* Biobank page */

.bb-wrap {
  width: min(1200px, 100%);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

.bb-wrap--wide { width: min(1360px, 100%); }

.bb-fig {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.bb-head {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.bb-head h2 { max-width: 24ch; }
.bb-head .lede { max-width: 60ch; }

main > .section { padding-bottom: clamp(72px, 8vw, 128px); }

/* ── Hero ── */

.hero.bb-hero {
  padding-top: calc(var(--nav-gap) + var(--nav-h) + clamp(56px, 8vw, 120px));
  padding-bottom: clamp(56px, 6vw, 96px);
}

.bb-hero-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: clamp(40px, 5vw, 72px);
}

.bb-kicker { color: #8f83ff; margin-bottom: 24px; }

.bb-hero h1 {
  font-size: clamp(32px, 3.9vw, 58px);
  line-height: 1.06;
  max-width: 16em;
}

.bb-hero .lede {
  max-width: 50ch;
  margin-top: clamp(20px, 2.2vw, 28px);
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.55;
}

.bb-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
  margin-top: clamp(28px, 3vw, 40px);
}

.bb-link-quiet {
  font-size: 15px;
  color: var(--fog);
  text-decoration: none;
  transition: color var(--duration-micro) var(--ease-out);
}

.bb-link-quiet span { display: inline-block; margin-left: 4px; transition: transform var(--duration-micro) var(--ease-out); }
.bb-link-quiet:hover { color: var(--paper); }
.bb-link-quiet:hover span { transform: translateY(2px); }
.bb-link-quiet:focus-visible { outline: 2px solid #8f83ff; outline-offset: 4px; border-radius: 3px; }

.bb-hero-fig {
  margin: 0;
  padding: clamp(20px, 3vw, 40px) clamp(16px, 3vw, 40px) clamp(18px, 2.4vw, 28px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.015);
}

.bb-hero-plate {
  display: block;
  width: 100%;
  max-width: 1120px;
  height: auto;
  aspect-ratio: 420 / 190;
  margin-inline: auto;
  image-rendering: pixelated;
  background: url("../assets/biobank-hero-ink.png?v=1") center / 100% 100% no-repeat;
}

.bb-hero-plate.is-live { background: none; }

.bb-legend {
  list-style: none;
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  padding: 16px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px 16px;
  font-size: 13px;
  line-height: 1.4;
  color: #5f6472;
}

.bb-legend li { transition: color var(--duration-reveal) var(--ease-out); white-space: nowrap; }
.bb-legend li span { font-family: var(--font-mono); font-size: 11px; margin-right: 6px; }
.bb-legend li.is-on { color: #e6e7eb; }
.bb-legend li.is-on span { color: #8b909d; }

/* Tissue-core hero (default). Without JS both variants are in the markup; the core wins. */

.bb-hero:not(.bb-hero--specimen) [data-hero="specimen"] { display: none; }

.bb-hero:not(.bb-hero--specimen) {
  padding-top: calc(var(--nav-gap) + var(--nav-h) + clamp(40px, 5vw, 88px));
}

.bb-hero:not(.bb-hero--specimen) .bb-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  align-items: center;
  gap: clamp(32px, 5vw, 88px);
}

.bb-hero:not(.bb-hero--specimen) .bb-hero-head { margin-bottom: 0; }
.bb-hero:not(.bb-hero--specimen) h1 { font-size: clamp(32px, 3.2vw, 48px); }

.bb-scope {
  margin: 0;
  display: flex;
  justify-content: center;
}

.bb-scope-field {
  position: relative;
  width: min(100%, 580px);
  aspect-ratio: 1;
}

.bb-scope-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 50%;
  background: #f4f2ec url("../assets/biobank-tide-still.jpg?v=1") center / cover no-repeat;
}

/* ── One specimen ── */

.bb-specimen { padding-top: clamp(80px, 9vw, 128px); }

.bb-anatomy {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 4vw, 64px);
  padding: clamp(24px, 3.4vw, 48px);
  background: var(--paper-card);
  border: 1px solid rgba(17, 13, 23, 0.06);
  border-radius: var(--radius-lg);
}

.bb-anatomy-art {
  position: relative;
  min-height: 0;
}

.bb-stack {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
  background: url("../assets/biobank-stack-ink.png?v=1") center / contain no-repeat;
}

.bb-stack.is-live { background: none; }

.bb-layers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-auto-rows: 1fr;
}

.bb-layers li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 16px 0;
  border-top: 1px solid rgba(17, 13, 23, 0.1);
  cursor: default;
  transition: opacity var(--duration-move) var(--ease-out);
}

.bb-layers li:first-child { border-top: 0; }
.bb-layers .bb-fig { align-self: start; padding-top: 4px; }
.bb-layers h3 { font-family: var(--font-sans); font-size: 17px; font-weight: 500; color: var(--ink); margin-bottom: 4px; }
.bb-layers li > div > p:not(.bb-format) { font-size: 15px; line-height: 1.5; color: var(--ink-muted); max-width: 52ch; }
.bb-format { margin-top: 6px; font-size: 13px; color: var(--ink); }

.bb-anatomy.is-focus .bb-layers li { opacity: 0.45; }
.bb-anatomy.is-focus .bb-layers li.is-on { opacity: 1; }
.bb-anatomy.is-focus .bb-layers li.is-on .bb-fig { color: var(--blue); }

/* ── Cards ── */

.bb-trio {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.bb-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px 28px 30px;
  background: var(--paper-card);
  border: 1px solid rgba(17, 13, 23, 0.06);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-move) var(--ease-out), background var(--duration-move) var(--ease-out);
  outline: none;
}

.bb-card:hover,
.bb-card:focus-visible { border-color: rgba(17, 13, 23, 0.16); background: #e7e4dc; }
.bb-card:focus-visible { box-shadow: 0 0 0 2px var(--blue); }

.bb-plate {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  aspect-ratio: 200 / 140;
  margin: 18px auto 32px;
  image-rendering: pixelated;
  background: center / 100% 100% no-repeat;
}

.bb-plate[data-plate="train"] { background-image: url("../assets/biobank-plate-train.png?v=1"); }
.bb-plate[data-plate="bench"] { background-image: url("../assets/biobank-plate-bench.png?v=1"); }
.bb-plate[data-plate="prospective"] { background-image: url("../assets/biobank-plate-prospective.png?v=1"); }
.bb-plate.is-live { background: none; }

.bb-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 8px;
}

.bb-ico {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

.bb-card > p:not(.bb-fig) { font-size: 15px; line-height: 1.5; color: var(--ink-muted); max-width: 38ch; }

.bb-card > .bb-card-meta {
  margin-top: auto;
  padding-top: 18px;
  font-size: 13px;
  color: var(--ink);
}

.bb-card-link {
  margin-top: auto;
  padding-top: 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--blue);
  text-decoration: none;
}

.bb-card-link span { display: inline-block; transition: transform var(--duration-micro) var(--ease-out); }
.bb-card-link:hover span { transform: translateX(3px); }
.bb-card-link:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 3px; }

/* ── Rights and access ── */

.bb-spec { margin: 0; }

.bb-spec > div {
  display: grid;
  grid-template-columns: minmax(160px, 0.36fr) minmax(0, 1fr);
  gap: 8px 24px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.bb-spec > div:last-child { border-bottom: 1px solid var(--line); }
.bb-spec dt { font-size: 15px; font-weight: 500; color: var(--ink); }
.bb-spec dd { margin: 0; font-size: 16px; line-height: 1.5; color: var(--ink-muted); max-width: 58ch; }

/* ── Network band ── */

.bb-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 32px 64px;
  padding: clamp(28px, 3.4vw, 44px) clamp(24px, 3.4vw, 48px);
  background: var(--paper-card);
  border: 1px solid rgba(17, 13, 23, 0.06);
  border-radius: var(--radius-lg);
}

.bb-band .kicker { margin-bottom: 14px; }
.bb-band h2 { font-size: clamp(24px, 2.4vw, 32px); line-height: 1.12; max-width: 26ch; margin-bottom: 12px; }
.bb-band-copy > p:last-child { font-size: 16px; line-height: 1.55; color: var(--ink-muted); max-width: 64ch; }
.bb-band-links { display: grid; gap: 12px; justify-items: start; }
.bb-band-links .bb-card-link { padding-top: 0; white-space: nowrap; }

/* ── FAQ ── */

.bb-faq-grid { display: grid; grid-template-columns: 0.8fr 1.4fr; gap: 48px; align-items: start; }

.bb-faq-list details { border-top: 1px solid var(--line); scroll-margin-top: 120px; }
.bb-faq-list details:last-child { border-bottom: 1px solid var(--line); }

.bb-faq-list summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.bb-faq-list summary::-webkit-details-marker { display: none; }

.bb-faq-list summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--ink-muted);
  transition: transform var(--duration-micro) var(--ease-out);
}

.bb-faq-list details[open] summary::after { transform: rotate(45deg); }
.bb-faq-list summary:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 4px; }
.bb-faq-list details p { padding: 0 0 22px; font-size: 16px; line-height: 1.55; color: var(--ink-muted); max-width: 62ch; }

/* ── Responsive ── */

@media (max-width: 1000px) {
  .bb-legend { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .bb-trio, .bb-band, .bb-faq-grid { grid-template-columns: 1fr; }
  .bb-faq-grid { gap: 8px; }
  .bb-plate { max-width: 300px; }
  .bb-anatomy { grid-template-columns: minmax(0, 1fr); }
  .bb-anatomy-art { aspect-ratio: 200 / 300; max-height: 440px; }
  .bb-hero:not(.bb-hero--specimen) .bb-hero-grid { grid-template-columns: minmax(0, 1fr); gap: clamp(40px, 8vw, 56px); }
  .bb-scope-field { width: min(100%, 560px); }
}

@media (max-width: 640px) {
  .bb-legend { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bb-spec > div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .bb-hero-fig { padding: 16px 12px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .bb-card, .bb-card-link span, .bb-legend li, .bb-layers li { transition: none; }
}