/* Peptide Chooser layout. Every value comes from tokens.css (compiled from design/tokens.json)
   or design/bundle.css. No colours, fonts or radii are written here. */
*, *::before, *::after { box-sizing: border-box; min-width: 0; }
html { -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-text); color: var(--ink); background: var(--paper); font-size: 16px; line-height: 1.5; margin: 0; }
img, svg, video { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, ul, ol { overflow-wrap: anywhere; }
.tbl th, .tbl td, .chip { overflow-wrap: normal; }
h1, h2, h3 { font-family: var(--font-display); margin: 0; color: var(--ink); }
h1 { font-size: 54px; line-height: 1.02; font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: 32px; line-height: 1.1; font-weight: 800; letter-spacing: -0.02em; }
h3 { font-size: 22px; line-height: 1.25; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
.lede { font-size: 20px; line-height: 1.5; color: var(--ink-2); max-width: 34em; }
.intro { font-size: 22px; line-height: 1.45; font-weight: 700; max-width: 40ch; }
.small { font-size: 14px; line-height: 1.45; color: var(--ink-2); }
.fine { font-size: 13px; line-height: 1.4; color: var(--ink-2); }
:focus-visible { outline: 3px solid var(--mark); outline-offset: 2px; }

.wrap { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 14px; z-index: 10; }
.skip:focus { left: 8px; }

/* Notice bar */
.notice { background: var(--paper-2); font-size: 14px; color: var(--ink-2); }
.notice .wrap { min-height: 40px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.notice .more { white-space: nowrap; }

/* Header */
.site-head { border-bottom: 1px solid var(--line); background: var(--paper); }
.site-head .wrap { display: flex; align-items: center; gap: 24px; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 800 22px var(--font-display); letter-spacing: -0.01em; color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand img { width: 32px; height: 32px; }
.nav { display: flex; gap: 4px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a { font: 700 16px var(--font-text); color: var(--ink); text-decoration: none; padding: 10px 12px; border-radius: var(--radius-control); white-space: nowrap; }
.nav a:hover { background: var(--neutral-tint); color: var(--ink); }
.nav a[aria-current="page"] { color: var(--action-text); }
.head-cta { flex: none; }

/* Breadcrumbs */
.crumbs { font-size: 14px; color: var(--ink-2); padding: 16px 0 0; }
.crumbs a { color: var(--ink-2); }
.crumbs span { margin: 0 6px; }

/* Hero */
.hero { padding: 72px 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; }
.hero h1 { max-width: 14ch; margin-bottom: 20px; }
.goal-picker { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.board { background: var(--ink); color: var(--paper); border-radius: var(--radius-panel); padding: 28px; }
.board h2 { color: var(--paper); font-size: 22px; line-height: 1.25; margin-bottom: 16px; }
.board .ledger { color: var(--paper); border-color: var(--line-dark); }
.board .ledger strong { font: 800 26px/1 var(--font-display); letter-spacing: -0.02em; }
.board .ledger .num-unit { color: var(--ink-on-dark); }
.board .fine { color: var(--ink-on-dark); }
.board .hero-num { margin: 8px 0 20px; }
.board .hero-num .num-xl { color: var(--paper); }
.board .hero-num .num-xl { padding-bottom: 6px; border-bottom: 6px solid var(--mark); }

/* Sections */
.section { padding: 88px 0 0; }
.section:last-of-type { padding-bottom: 88px; }
.band-2 { background: var(--paper-2); padding: 88px 0; margin-top: 88px; }
.criteria { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.criteria li { padding: 20px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px 32px; }
.criteria p { margin: 0; color: var(--ink-2); }

/* Tables */
.tbl th:first-child, .tbl td:first-child { padding-left: 0; }
.tbl th:last-child, .tbl td:last-child { padding-right: 0; }
.tbl .act { text-align: right; }
.tbl .name { font: 700 16px var(--font-text); }
.tbl .note { display: block; font-size: 14px; color: var(--ink-2); }

.h-sources { font-size: 22px; line-height: 1.25; }

/* Article / prose pages */
.page { padding: 56px 0 96px; }
.prose { max-width: var(--container); }
.prose > * { max-width: 768px; }
.prose h1 { margin-bottom: 16px; }
.prose .meta { margin: 0 0 32px; }
.prose p, .prose li { font-size: 18px; line-height: 1.6; max-width: 64ch; }
.prose h2 { font: 800 32px/1.1 var(--font-display); letter-spacing: -0.02em; margin: 72px 0 20px; padding-top: 24px; border-top: 2px solid var(--ink); }
.prose h2:first-of-type { margin-top: 40px; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose li { margin-bottom: 8px; }
.prose a { color: var(--action); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 32px; }

/* Footer */
.site-foot { background: var(--ink); color: var(--ink-on-dark); padding: 56px 0 48px; margin-top: 88px; font-size: 14px; }
.site-foot .brand { color: var(--paper); font-size: 20px; margin-bottom: 16px; }
.site-foot .brand img { width: 28px; height: 28px; }
.foot-grid { display: grid; gap: 32px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 20px; list-style: none; margin: 0; padding: 0; }
.foot-links a, .site-foot a { color: var(--paper); }
.site-foot p { max-width: 62ch; }
.site-foot .trust { border-top: 1px solid var(--line-dark); margin-top: 24px; padding-top: 16px; display: flex; flex-wrap: wrap; gap: 8px 24px; }

/* Cookie notice (design book: Pages and buttons, item 6) */
.cookie { position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; background: var(--paper); border-top: 1px solid var(--line); box-shadow: 0 -8px 24px var(--neutral-tint); }
.cookie .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; padding-top: 14px; padding-bottom: 14px; }
.cookie p { margin: 0; font-size: 14px; color: var(--ink-2); flex: 1 1 320px; }
.cookie p a { color: var(--ink); }
.cookie-btns { display: flex; gap: 8px; }
.cookie-btns .btn { min-height: 40px; padding: 0 18px; font-size: 15px; width: auto; }

@media (min-width: 640px) {
  .board .ledger { padding: 16px 0; }
}
@media (min-width: 760px) {
  .foot-grid { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 48px; }
  .criteria li { grid-template-columns: 220px minmax(0, 1fr); }
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 48px; align-items: start; }
}
@media (max-width: 760px) {
  .tbl { min-width: 720px; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  h1 { font-size: 34px; }
  h2 { font-size: 26px; }
  .hero { padding: 48px 0; }
  .section { padding-top: 56px; }
  .section:last-of-type { padding-bottom: 56px; }
  .band-2 { padding: 56px 0; margin-top: 56px; }
  .site-head .wrap { flex-wrap: wrap; gap: 8px 16px; padding-top: 12px; padding-bottom: 12px; min-height: 0; }
  .nav { order: 3; width: 100%; margin-left: 0; }
  .head-cta { margin-left: auto; }
  .head-cta .btn { width: auto; min-height: 40px; padding: 0 14px; font-size: 15px; }
  .notice .more { display: none; }
  .prose h2 { font-size: 26px; margin-top: 48px; }
  .prose p, .prose li { font-size: 17px; }
  .board { padding: 20px; }
  .site-foot { margin-top: 56px; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}