/* IHAI Health Website v1.0
   Brand tokens: iHAI Brand Identity Proposal, p.16 (exact vector values).
   Teal Deep and Coral Deep are accessibility shades added for text contrast. */

/* ---------- Fonts (self-hosted, SIL OFL 1.1) ---------- */
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 500; font-display: swap; src: url("assets/fonts/montserrat-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 600; font-display: swap; src: url("assets/fonts/montserrat-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 700; font-display: swap; src: url("assets/fonts/montserrat-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Noto Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("assets/fonts/noto-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Noto Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("assets/fonts/noto-sans-latin-500-normal.woff2") format("woff2"); }

/* ---------- Tokens ---------- */
:root {
  --royal-blue: #243C96;
  --gold: #CAAA77;
  --teal: #1A94AA;
  --navy: #001738;
  --coral: #F15B43;
  --navy-2: #213E5D;
  --navy-3: #596C87;
  --navy-4: #9EA8BA;
  --teal-4: #C5D9E1;
  --gold-4: #EDE2D2;
  --blue-4: #BABADD;
  --white: #FFFFFF;
  --teal-deep: #146F80;   /* added for accessibility */

  --font-heading: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Noto Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-zh: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;

  --radius: 12px;
  --pill: 999px;
  --content: 1200px;
  --gutter: 24px;
  --section-y: 88px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--white);
  color: var(--navy-2);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--royal-blue); }
a:hover { color: var(--navy); }
h1, h2, h3 { font-family: var(--font-heading); color: var(--navy); margin: 0; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--royal-blue); outline-offset: 2px; border-radius: 4px; }
.on-dark :focus-visible { outline-color: var(--gold); }
[lang="zh-Hant"] { font-family: var(--font-zh); }

.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 100;
  background: var(--navy); color: var(--white); padding: 12px 20px; border-radius: var(--pill);
  font-family: var(--font-heading); font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 12px; color: var(--white); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.container { max-width: calc(var(--content) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section-y) 0; }
.bg-white { background: var(--white); }
.bg-warm { background: var(--gold-4); }
.bg-blue { background: var(--royal-blue); color: var(--white); }
.bg-teal { background: var(--teal-deep); color: var(--white); }
.bg-navy { background: var(--navy); color: var(--white); }

/* ---------- Type ---------- */
.eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-heading); font-weight: 600; font-size: 13px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal-deep);
}
.eyebrow--ink { color: var(--navy-2); }
.eyebrow--light { color: var(--teal-4); }
.eyebrow--white { color: var(--white); }
.eyebrow--gold { color: var(--gold); }
.h1 { font-size: 56px; line-height: 1.1; letter-spacing: -0.5px; font-weight: 700; margin-bottom: 22px; }
.h1 .accent { color: var(--royal-blue); }
.h2 { font-size: 40px; line-height: 1.2; font-weight: 700; }
.on-dark .h2 { color: var(--white); }
.lead { font-size: 20px; line-height: 1.6; }

/* Section header: heading left, intro right */
.split-head { display: flex; flex-wrap: wrap; gap: 24px 56px; align-items: flex-end; margin-bottom: 40px; }
.split-head > :first-child { flex: 1 1 520px; min-width: 0; }
.split-head > :last-child { flex: 1 1 380px; min-width: 0; }

/* ---------- Buttons ---------- */
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 28px; border-radius: var(--pill);
  font-family: var(--font-heading); font-weight: 600; font-size: 15px; letter-spacing: 0.02em;
  text-decoration: none; border: 1.5px solid transparent; cursor: pointer;
  transition: background-color .15s ease, color .15s ease;
}
.btn--primary { background: var(--royal-blue); color: var(--white); }
.btn--primary:hover { background: var(--navy); color: var(--white); }
.btn--secondary { background: transparent; border-color: var(--navy); color: var(--navy); }
.btn--secondary:hover { background: var(--teal-4); color: var(--navy); }
.btn--gold { background: var(--gold); color: var(--navy); }
.btn--gold:hover { background: var(--white); color: var(--navy); }
.btn--sm { min-height: 44px; padding: 0 22px; font-size: 14px; }
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } }

/* ---------- Header ---------- */
.site-header { background: var(--white); border-bottom: 1px solid var(--teal-4); position: relative; z-index: 20; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand__logo { height: 48px; width: auto; }
.brand__descriptor {
  font-family: var(--font-heading); font-weight: 600; font-size: 11px; line-height: 1.35;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--navy-2);
  border-left: 2px solid var(--gold); padding-left: 12px;
}
.header-actions { display: flex; align-items: center; gap: 12px; }
.primary-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 4px 22px; }
.primary-nav a {
  display: inline-block; padding: 10px 0;
  font-family: var(--font-heading); font-weight: 600; font-size: 14px; color: var(--navy); text-decoration: none;
}
.primary-nav a:hover { color: var(--royal-blue); text-decoration: underline; text-underline-offset: 6px; }
.lang-switch {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0 16px; border-radius: var(--pill);
  background: var(--royal-blue); color: var(--white);
  font-family: var(--font-heading); font-weight: 600; font-size: 13px; text-decoration: none; white-space: nowrap;
}
.lang-switch:hover { background: var(--navy); color: var(--white); }
.lang-switch [aria-current] { text-decoration: underline; text-underline-offset: 3px; }
.nav-toggle {
  display: none; align-items: center; gap: 8px;
  min-height: 44px; padding: 0 16px; border-radius: var(--pill);
  border: 1.5px solid var(--navy); background: var(--white); color: var(--navy);
  font-family: var(--font-heading); font-weight: 600; font-size: 14px; cursor: pointer;
}
.nav-toggle__bars { width: 18px; height: 12px; position: relative; }
.nav-toggle__bars span { position: absolute; left: 0; width: 18px; height: 2px; background: currentColor; }
.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { top: 5px; }
.nav-toggle__bars span:nth-child(3) { top: 10px; }

/* ---------- 1 Hero ---------- */
.hero { padding: 80px 0 88px; }
.hero__grid { display: flex; flex-wrap: wrap; gap: 56px; align-items: center; }
.hero__copy { flex: 1 1 500px; min-width: 0; }
.hero__copy .lead { max-width: 580px; margin-bottom: 24px; }
.callout {
  display: flex; align-items: center; gap: 16px; max-width: 620px; margin: 0 0 32px;
  background: var(--teal-4); border-radius: var(--radius); padding: 16px 20px;
}
.callout svg { flex: 0 0 36px; }
.callout p { font-size: 17px; line-height: 1.5; color: var(--navy); font-weight: 500; }
.mosaic {
  flex: 1 1 440px; min-width: 0; max-width: 520px; margin: 0 auto; aspect-ratio: 1 / 1;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: repeat(3, minmax(0, 1fr)); gap: 10px;
}
.tile-q-br { background: var(--royal-blue); border-radius: 0 0 100% 0; }
.tile-gold { background: var(--gold); }
.tile-q-tl { background: var(--teal); border-radius: 100% 0 0 0; }
.tile-warm { background: var(--gold-4); position: relative; overflow: hidden; }
.tile-warm::after { content: ""; position: absolute; left: 0; bottom: 0; width: 70%; height: 70%; background: var(--coral); border-radius: 0 100% 0 0; }
.tile-q-tr { background: var(--teal-deep); border-radius: 0 100% 0 0; }
.photo-slot {
  grid-column: span 2; grid-row: span 2; border-radius: var(--radius); background: var(--navy);
  display: flex; align-items: center; justify-content: center; padding: 24px; text-align: center; overflow: hidden;
}
.photo-slot p { font-size: 14px; line-height: 1.5; color: var(--white); }
.photo-slot strong { font-family: var(--font-heading); color: var(--gold); }
.photo-slot img { width: 100%; height: 100%; object-fit: cover; }
.photo-slot.has-photo { padding: 0; }

/* ---------- 2 Problem ---------- */
.gap-strip {
  list-style: none; margin: 0; padding: 20px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  background: var(--white); border-radius: var(--radius);
}
.gap-strip li { font-size: 15px; line-height: 1.4; color: var(--navy); padding: 9px 15px; border-radius: var(--pill); }
.gap-strip .visit { font-family: var(--font-heading); font-weight: 700; font-size: 14px; color: var(--white); background: var(--navy); padding: 12px 20px; }
.chip-teal { background: var(--teal-4); }
.chip-warm { background: var(--gold-4); }
.chip-blue { background: var(--blue-4); }

/* ---------- 3 HCC ---------- */
.hcc { position: relative; overflow: hidden; }
.hcc__corner { position: absolute; right: -40px; top: -40px; width: 220px; height: 220px; }
.hcc .container { position: relative; }
.hcc__intro { max-width: 720px; margin: 16px 0 48px; color: var(--white); }
.hcc .h2 { max-width: 760px; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.card { background: var(--white); color: var(--navy-2); border-radius: var(--radius); overflow: hidden; }
.card__band { height: 8px; }
.band-gold { background: var(--gold); }
.band-teal { background: var(--teal); }
.band-blue4 { background: var(--blue-4); }
.card__body { padding: 28px; }
.card__icon { width: 52px; height: 52px; margin-bottom: 18px; }
.card__label { margin: 0 0 6px; font-family: var(--font-heading); font-weight: 600; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal-deep); }
.card h3 { font-weight: 600; font-size: 22px; line-height: 1.3; margin-bottom: 10px; }
.card p { font-size: 16px; }

/* ---------- 4 Domains ---------- */
.domains { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.domain { padding: 24px; min-height: 168px; }
.domain__name { font-family: var(--font-heading); font-weight: 700; font-size: 22px; line-height: 1.65; }
.domain__ex { margin-top: 6px; font-size: 15px; line-height: 1.5; }
.d-work  { background: var(--teal-deep); color: var(--white); border-radius: var(--radius) 0 0 0; }
.d-live  { background: var(--royal-blue); color: var(--white); }
.d-learn { background: var(--gold); color: var(--navy); border-radius: 0 var(--radius) 0 0; }
.d-serve { background: var(--teal); color: var(--navy); }
.d-person { background: var(--navy); color: var(--gold); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.d-person .domain__name { font-size: 14px; letter-spacing: 0.14em; margin-top: 10px; }
.d-love  { background: var(--navy-2); color: var(--white); }
.d-give  { background: var(--blue-4); color: var(--navy); border-radius: 0 0 0 var(--radius); }
.d-play  { background: var(--gold-4); color: var(--navy); }
.d-trade { background: var(--teal-4); color: var(--navy); border-radius: 0 0 var(--radius) 0; }

/* ---------- 5 Steps ---------- */
.steps { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.step { background: var(--white); color: var(--navy-2); border-radius: var(--radius); padding: 26px; }
.step__num {
  display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; margin-bottom: 12px;
  border-radius: var(--pill); background: var(--royal-blue); color: var(--white);
  font-family: var(--font-heading); font-weight: 700; font-size: 18px;
}
.step__num--gold { background: var(--gold); color: var(--navy); }
.step h3 { font-weight: 600; font-size: 20px; margin-bottom: 6px; }
.step p { font-size: 16px; }
.status-note { margin-top: 24px; font-size: 14px; line-height: 1.5; color: var(--white); }
.bg-teal .h2 { max-width: 760px; }

/* ---------- 6 Prototype ---------- */
.proto { display: flex; flex-wrap: wrap; gap: 56px; align-items: center; }
.proto__copy { flex: 1 1 400px; min-width: 0; }
.proto__copy .h2 { margin-bottom: 18px; }
.proto__copy > p:not(.eyebrow) { margin-bottom: 28px; }
.proto__copy .disclosure { margin: 14px 0 0; font-size: 14px; color: var(--navy-2); }
.request { flex: 1 1 480px; min-width: 0; margin: 0; background: var(--white); border-radius: var(--radius); overflow: hidden; }
.request__head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 24px; background: var(--navy); }
.request__title { font-family: var(--font-heading); font-weight: 600; font-size: 15px; color: var(--white); }
.tag-fictional { font-family: var(--font-heading); font-weight: 600; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--navy); background: var(--gold); padding: 3px 10px; border-radius: var(--pill); }
.request dl { margin: 0; padding: 20px 24px; display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 10px 12px; font-size: 15px; line-height: 1.45; }
.request dt { font-family: var(--font-heading); font-weight: 700; color: var(--teal-deep); }
.request dd { margin: 0; }
.request__actions { display: flex; flex-wrap: wrap; gap: 10px; padding: 0 24px 22px; }
.request__actions .btn--secondary { background: var(--white); }
.request__actions .btn--secondary:hover { background: var(--teal-4); }
.request__status { padding: 0 24px; font-size: 14px; line-height: 1.5; color: var(--navy); }
.request__status:not(:empty) { padding-bottom: 18px; }
.request figcaption { padding: 12px 24px; background: var(--teal-4); font-size: 13px; line-height: 1.45; color: var(--navy); }

/* ---------- 7 Stewardship ---------- */
.steward { display: flex; flex-wrap: wrap; gap: 56px; align-items: center; }
.steward__copy { flex: 1 1 480px; min-width: 0; }
.steward .h2 { font-size: 44px; line-height: 1.15; margin-bottom: 20px; }
.steward .h2 .gold { color: var(--gold); }
.pull { margin: 0 0 20px; font-family: var(--font-heading); font-weight: 600; font-size: 24px; line-height: 1.35; color: var(--teal-4); }
.steward__body { margin: 0 0 28px; font-size: 18px; color: var(--white); }
.contributors { list-style: none; margin: 0 0 32px; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.contributors li { padding-top: 12px; border-top: 3px solid var(--gold); }
.contributors li:nth-child(2) { border-top-color: var(--teal); }
.contributors li:nth-child(3) { border-top-color: var(--blue-4); }
.contributors li:nth-child(4) { border-top-color: var(--teal-4); }
.contributors h3 { font-weight: 600; font-size: 17px; color: var(--white); }
.contributors p { margin-top: 2px; font-size: 15px; color: var(--white); }
.steward__art { flex: 1 1 400px; min-width: 0; max-width: 560px; margin: 0 auto; position: relative; aspect-ratio: 4 / 3; }
.art-q1 { position: absolute; left: 0; top: 0; width: 34%; height: 46%; background: var(--teal); border-radius: 0 0 100% 0; }
.art-q2 { position: absolute; right: 0; bottom: 0; width: 28%; height: 38%; background: var(--gold); border-radius: 100% 0 0 0; }
.art-q3 { position: absolute; right: 6%; top: 4%; width: 14%; height: 18%; background: var(--coral); border-radius: 100% 100% 0 0; }
.steward__slot {
  position: absolute; inset: 12% 10%; background: var(--navy-2); border: 1.5px dashed var(--navy-4); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; padding: 20px; text-align: center; overflow: hidden;
}
.steward__slot p { font-size: 14px; line-height: 1.5; color: var(--white); }
.steward__slot strong { font-family: var(--font-heading); color: var(--gold); }

/* ---------- 8 Research ---------- */
.evidence { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.ev { border: 1px solid var(--navy-4); border-radius: var(--radius); overflow: hidden; background: var(--white); }
.ev__body { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.tag {
  align-self: flex-start; font-family: var(--font-heading); font-weight: 600; font-size: 12px; line-height: 1.5;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--navy); padding: 4px 10px; border-radius: var(--pill);
}
.tag--descriptive { background: var(--teal-4); }
.tag--internal { background: var(--gold-4); }
.ev__num { font-family: var(--font-heading); font-weight: 700; font-size: 48px; line-height: 1; color: var(--navy); }
.ev h3 { font-weight: 600; font-size: 18px; line-height: 1.35; }
.ev__label { font-size: 14px; color: var(--navy-3); }
.verify { font-family: var(--font-heading); font-weight: 600; color: var(--navy); background: var(--gold-4); padding: 0 4px; border-radius: 4px; }
.boundary {
  margin-top: 24px; background: var(--gold-4); border-radius: var(--radius); padding: 20px 24px;
  display: flex; flex-wrap: wrap; gap: 12px 32px; align-items: center; justify-content: space-between;
}
.boundary p { flex: 1 1 520px; font-size: 17px; color: var(--navy); font-weight: 500; }
.boundary a { font-family: var(--font-heading); font-weight: 600; font-size: 15px; }

/* ---------- 9 Get involved ---------- */
.bg-blue .h2 { max-width: 760px; margin-bottom: 40px; }
.paths { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.paths .card__body { padding: 26px; }
.paths h3 { font-weight: 600; font-size: 20px; margin-bottom: 8px; }
.paths p { margin-bottom: 18px; }
.paths a { font-family: var(--font-heading); font-weight: 600; font-size: 15px; }

/* ---------- Footer (light, so the full-colour logo keeps all five colours) ---------- */
.site-footer { background: var(--white); color: var(--navy-2); }
.brand-bar { height: 8px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.brand-bar span:nth-child(1) { background: var(--royal-blue); }
.brand-bar span:nth-child(2) { background: var(--teal); }
.brand-bar span:nth-child(3) { background: var(--gold); }
.brand-bar span:nth-child(4) { background: var(--blue-4); }
.footer-top { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; padding: 56px 0 36px; border-bottom: 1px solid var(--teal-4); }
.footer-brand { flex: 1 1 280px; min-width: 0; }
.footer-logo { width: 240px; height: auto; margin-bottom: 18px; }
.footer-brand p { font-size: 15px; max-width: 320px; }
.footer-nav { flex: 1 1 320px; min-width: 0; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; }
.footer-nav a, .footer-lang a { color: var(--navy); font-family: var(--font-heading); font-weight: 500; font-size: 14px; text-decoration: none; }
.footer-nav a:hover, .footer-lang a:hover { color: var(--royal-blue); text-decoration: underline; }
.footer-lang { flex: 0 1 200px; min-width: 0; }
.footer-lang .eyebrow { font-size: 12px; margin-bottom: 10px; }
.footer-lang p { font-size: 15px; }
.footer-bottom { padding: 22px 0 32px; display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; font-size: 13px; line-height: 1.5; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 18px; margin: 0; padding: 0; list-style: none; }
.footer-legal a { color: var(--royal-blue); }
.footer-legal a:hover { color: var(--navy); }

/* ---------- Simple pages ---------- */
.page-main { padding: 88px 0 96px; min-height: 50vh; }
.page-main .h2 { margin-bottom: 20px; }
.page-main p { max-width: 680px; margin-bottom: 16px; }
.notice { display: inline-block; margin-bottom: 24px; font-family: var(--font-heading); font-weight: 600; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--navy); background: var(--blue-4); padding: 4px 10px; border-radius: var(--pill); }

/* ---------- Research page ---------- */
.h3 { font-size: 28px; line-height: 1.3; font-weight: 700; margin-bottom: 20px; }
.page-main .research-lead { max-width: 760px; margin-bottom: 28px; }
.research-boundary { margin: 0 0 56px; }
.research-block { margin-top: 56px; }
.tag--progress { background: var(--blue-4); }
.tag--planned { background: var(--white); border: 1px solid var(--navy-4); color: var(--navy-2); }
.status-key { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 32px; }
.status-key > div { display: flex; flex-direction: column; gap: 8px; padding: 18px 20px; border: 1px solid var(--teal-4); border-radius: var(--radius); }
.status-key dt { display: flex; }
.status-key dd { margin: 0; font-size: 15px; }
.page-main .status-key dd, .page-main .study p, .page-main .study dd { max-width: none; margin-bottom: 0; }
.study { border: 1px solid var(--navy-4); border-radius: var(--radius); overflow: hidden; background: var(--white); margin-bottom: 24px; }
.study__body { padding: 28px 32px; display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 24px 40px; }
.study--plain .study__body { display: block; }
.study--plain .study__head { margin-bottom: 14px; }
.study__head { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.study__num { font-family: var(--font-heading); font-weight: 700; font-size: 48px; line-height: 1; color: var(--navy); }
.study__head h3 { font-weight: 600; font-size: 20px; line-height: 1.35; }
.study__label { font-size: 14px; color: var(--navy-3); }
.study__facts { margin: 0; display: grid; gap: 14px; }
.study__facts > div { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--teal-4); }
.study__facts > div:last-child { border-bottom: 0; padding-bottom: 0; }
.study__facts dt { font-family: var(--font-heading); font-weight: 600; font-size: 14px; color: var(--teal-deep); }
.study__facts dd { margin: 0; font-size: 16px; }
.not-claiming { margin: 0; padding-left: 22px; max-width: 760px; }
.not-claiming li { margin-bottom: 10px; }

/* ---------- Research programs (v1.4) ---------- */
.band-blue { background: var(--royal-blue); }
.tag--exploratory { background: var(--blue-4); }
.tag--conceptual { background: var(--white); border: 1px dashed var(--navy-4); color: var(--navy-2); }
.fit { margin: 0; padding-left: 22px; max-width: 760px; }
.fit li { margin-bottom: 8px; }
.fit a { font-family: var(--font-heading); font-weight: 600; }
.program-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; align-items: start; }
.program { border: 1px solid var(--navy-4); border-radius: var(--radius); overflow: hidden; background: var(--white); }
.program--featured { margin-bottom: 24px; border-color: var(--royal-blue); }
.program__body { padding: 24px 28px; }
.program__head { display: flex; flex-direction: column; gap: 8px; }
.program__eyebrow { font-family: var(--font-heading); font-weight: 600; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--royal-blue); }
.program__name { font-weight: 700; font-size: 26px; line-height: 1.2; }
.program--featured .program__name { font-size: 32px; }
.page-main .program__sci, .program__sci { font-size: 14px; color: var(--navy-3); margin: 0; max-width: none; }
.page-main .program__line, .program__line { font-size: 17px; color: var(--navy); margin: 4px 0 0; max-width: 680px; }
.program__tags, .program__stats { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.program__stats { gap: 8px 20px; }
.program__stats li { font-size: 15px; color: var(--navy-2); }
.program__stats strong { font-family: var(--font-heading); font-weight: 700; font-size: 20px; color: var(--navy); margin-right: 4px; }
.program__more { margin-top: 18px; border-top: 1px solid var(--teal-4); }
.program__more > summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: 48px; padding: 12px 0 0; font-family: var(--font-heading); font-weight: 600; font-size: 15px; color: var(--royal-blue);
}
.program__more > summary::-webkit-details-marker { display: none; }
.program__more > summary::after {
  content: ""; flex: 0 0 10px; width: 10px; height: 10px; margin-right: 4px;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-3px); transition: transform .15s ease;
}
.program__more[open] > summary::after { transform: rotate(-135deg) translateY(-3px); }
.program__more > summary:hover { color: var(--navy); }
@media (prefers-reduced-motion: reduce) { .program__more > summary::after { transition: none; } }
.program__detail { padding-top: 16px; display: flex; flex-direction: column; gap: 20px; }
.w5 { margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.w5 > div { background: var(--teal-4); border-radius: 10px; padding: 12px 14px; }
.w5 dt { font-family: var(--font-heading); font-weight: 700; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--navy); margin-bottom: 4px; }
.w5 dd { margin: 0; font-size: 15px; line-height: 1.5; color: var(--navy); }
.program .study__facts > div { grid-template-columns: 130px minmax(0, 1fr); }
.detail-title { font-family: var(--font-heading); font-weight: 600; font-size: 18px; color: var(--navy); margin: 4px 0 -8px; }
.flow { list-style: none; margin: 0; padding: 0; counter-reset: flow; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; }
.flow li { counter-increment: flow; display: flex; flex-direction: column; gap: 8px; padding: 12px 14px; border: 1px solid var(--teal-4); border-radius: 10px; }
.flow__step::before { content: counter(flow) ". "; font-family: var(--font-heading); font-weight: 700; color: var(--royal-blue); }
.flow__step { font-size: 15px; line-height: 1.4; color: var(--navy); }
.flow__status { align-self: flex-start; font-family: var(--font-heading); font-weight: 600; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--navy); padding: 3px 9px; border-radius: var(--pill); }
.flow__status--prototype { background: var(--gold-4); }
.flow__status--research { background: var(--blue-4); }
.flow__status--planned { background: var(--white); border: 1px solid var(--navy-4); color: var(--navy-2); }
.page-main .detail-note, .detail-note { font-size: 14px; color: var(--navy-2); max-width: none; margin: 0; }
.explore { margin: 0; }
.page-main .program p { max-width: none; }
.page-main .program__head p { margin-bottom: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--white); border-bottom: 1px solid var(--teal-4); box-shadow: 0 12px 24px rgba(0, 23, 56, 0.08);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; max-width: calc(var(--content) + 2 * var(--gutter)); margin: 0 auto; padding: 8px var(--gutter) 16px; }
  .primary-nav a { display: block; padding: 14px 0; font-size: 16px; border-bottom: 1px solid var(--teal-4); }
  .primary-nav li:last-child a { border-bottom: 0; }
  .evidence { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  :root { --section-y: 64px; }
  .hero { padding: 56px 0 64px; }
  .h1 { font-size: 44px; }
  .h2 { font-size: 32px; }
  .steward .h2 { font-size: 36px; }
  .card-grid, .paths { grid-template-columns: minmax(0, 1fr); }
  .study__body { grid-template-columns: minmax(0, 1fr); }
  .program-grid { grid-template-columns: minmax(0, 1fr); }
  .hcc__corner { width: 140px; height: 140px; right: -30px; top: -30px; }
}
@media (max-width: 640px) {
  :root { --section-y: 56px; --gutter: 20px; }
  body { font-size: 16px; }
  .h1 { font-size: 36px; line-height: 1.15; }
  .h2 { font-size: 28px; line-height: 1.25; }
  .steward .h2 { font-size: 30px; }
  .lead { font-size: 18px; }
  .pull { font-size: 20px; }
  .steward__body { font-size: 17px; }
  .brand__descriptor { display: none; }
  .brand__logo { height: 40px; }
  .nav-toggle__text { display: none; }
  .nav-toggle { padding: 0 14px; }
  .evidence, .steps, .contributors { grid-template-columns: minmax(0, 1fr); }
  .domains { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .d-person { grid-column: 1 / -1; order: -1; min-height: 0; padding: 20px; border-radius: var(--radius) var(--radius) 0 0; }
  .d-work, .d-learn, .d-give, .d-trade { border-radius: 0; }
  .d-trade { border-radius: 0 0 var(--radius) 0; }
  .d-play { border-radius: 0 0 0 var(--radius); }
  .domain { padding: 18px; min-height: 120px; }
  .domain__name { font-size: 19px; }
  .domain__ex { font-size: 14px; }
  .request dl { grid-template-columns: 64px minmax(0, 1fr); padding: 18px 20px; }
  .request__head, .request__actions, .request__status, .request figcaption { padding-left: 20px; padding-right: 20px; }
  .ev__num { font-size: 40px; }
  .status-key { grid-template-columns: minmax(0, 1fr); }
  .study__facts > div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .study__body { padding: 22px 20px; }
  .h3 { font-size: 24px; }
  .program__body { padding: 20px; }
  .program__name { font-size: 24px; }
  .program--featured .program__name { font-size: 26px; }
  .program .study__facts > div { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .nav-toggle, .skip-link, .mosaic, .steward__art, .brand-bar { display: none !important; }
  .bg-blue, .bg-teal, .bg-navy { background: #fff !important; color: #000 !important; }
  .bg-blue *, .bg-teal *, .bg-navy * { color: #000 !important; }
}

/* v1.6 */
.steward__slot--photo { padding: 0; border-style: solid; }
.steward__slot--photo img, .photo-slot.has-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.proto__copy .btn { margin: 0 8px 10px 0; }