:root {
  --wine: #7f183b;
  --wine-dark: #5f102d;
  --coral: #e56d67;
  --rose: #f4d9d3;
  --ink: #173246;
  --ink-soft: #496171;
  --teal: #176f6b;
  --teal-light: #dbece8;
  --cream: #f8f4ed;
  --paper: #fff;
  --line: #d9e0e2;
  --shadow: 0 22px 60px rgba(21, 49, 68, .12);
  --radius: 1.25rem;
  --shell: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; z-index: 999; top: 12px; left: 12px; padding: .7rem 1rem;
  color: #fff; background: var(--ink); border-radius: .5rem; transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #f0a400; outline-offset: 3px; }

.utility { color: #fff; background: var(--ink); font-size: .78rem; letter-spacing: .03em; }
.utility__inner { min-height: 34px; display: flex; align-items: center; justify-content: space-between; }
.utility p { margin: 0; }
.language { display: flex; align-items: center; gap: .45rem; }
.language__button {
  appearance: none; padding: 0; color: rgba(255,255,255,.62); background: none; border: 0; cursor: pointer;
}
.language__button.is-active { color: #fff; font-weight: 800; }

.site-header {
  position: sticky; z-index: 50; top: 0; background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(23,50,70,.08); backdrop-filter: blur(14px);
}
.site-header__inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; line-height: 1.1; }
.brand__mark { width: 46px; flex: 0 0 auto; }
.brand strong { display: block; font-family: Georgia, "Times New Roman", serif; font-size: 1.25rem; }
.brand small { display: block; margin-top: .25rem; color: var(--ink-soft); font-size: .64rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 1.45rem; }
.main-nav a { position: relative; padding-block: .5rem; font-size: .89rem; font-weight: 720; text-decoration: none; }
.main-nav a::after {
  content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 2px;
  background: var(--wine); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
}
.main-nav a:hover::after, .main-nav a:focus-visible::after { transform: scaleX(1); }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 10px; background: #fff; border: 1px solid var(--line); border-radius: .6rem; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: 4px 0; background: var(--ink); }

.hero { position: relative; overflow: hidden; color: #fff; background: linear-gradient(120deg, #64102f 0%, #8e1f45 55%, #a83d50 100%); }
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .13;
  background-image: linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px);
  background-size: 54px 54px; mask-image: linear-gradient(90deg, #000, transparent 65%);
}
.hero__grid {
  position: relative; z-index: 2; min-height: 650px; display: grid; grid-template-columns: 1.2fr .8fr;
  align-items: center; gap: clamp(3rem, 8vw, 8rem); padding-block: clamp(4.5rem, 8vw, 7.5rem);
}
.eyebrow { margin: 0 0 1rem; color: var(--wine); font-size: .74rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.hero .eyebrow { color: #ffd1c7; }
.hero h1 {
  max-width: 760px; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(3.3rem, 6.8vw, 6.4rem);
  font-weight: 400; letter-spacing: -.048em; line-height: .94;
}
.hero h1 em { color: #ffd0c5; font-weight: 400; }
.hero__lead { max-width: 650px; margin: 1.8rem 0 0; color: rgba(255,255,255,.88); font-size: 1.16rem; line-height: 1.7; }
.terminology-note { max-width: 680px; margin: 1.1rem 0 0; padding: .9rem 1rem; color: rgba(255,255,255,.84); background: rgba(255,255,255,.08); border-left: 3px solid var(--coral); border-radius: 0 .7rem .7rem 0; font-size: .82rem; line-height: 1.55; }
.terminology-note strong { color: #fff; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.button {
  display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: .72rem 1.2rem;
  border: 1px solid transparent; border-radius: .65rem; font-size: .86rem; font-weight: 800; text-decoration: none; transition: transform .2s, box-shadow .2s;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0,0,0,.16); }
.button--primary { color: var(--wine); background: #fff; }
.button--ghost { color: #fff; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.42); }
.button--dark { color: #fff; background: var(--ink); }
.button--light { color: var(--wine); background: #fff; }
.hero__review { display: flex; align-items: flex-start; gap: .6rem; max-width: 620px; margin: 2rem 0 0; color: rgba(255,255,255,.68); font-size: .74rem; }
.status-dot { width: 8px; height: 8px; flex: 0 0 auto; margin-top: .32rem; background: #f2bd5a; border-radius: 50%; box-shadow: 0 0 0 4px rgba(242,189,90,.16); }
.hero__panel { padding: 1.2rem; background: rgba(255,255,255,.96); color: var(--ink); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero__panel-label { margin: 0; padding: .2rem .55rem .9rem; color: var(--wine); font-size: .72rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.hero__panel a { display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: .85rem; padding: 1rem .55rem; border-top: 1px solid var(--line); text-decoration: none; }
.hero__panel a:hover strong { color: var(--wine); }
.hero__panel strong, .hero__panel small { display: block; }
.hero__panel strong { font-family: Georgia, "Times New Roman", serif; font-size: 1.02rem; }
.hero__panel small { margin-top: .18rem; color: var(--ink-soft); font-size: .73rem; }
.quick-icon { display: grid; width: 36px; height: 36px; place-items: center; color: var(--wine); background: var(--rose); border-radius: 50%; font-size: .7rem; font-weight: 900; }
.hero__cells span { position: absolute; z-index: 1; display: block; border: 2px solid rgba(255,255,255,.2); border-radius: 50%; box-shadow: inset 0 0 18px rgba(255,255,255,.08); }
.hero__cells span:nth-child(1) { width: 145px; height: 104px; right: -30px; top: 7%; transform: rotate(24deg); }
.hero__cells span:nth-child(2) { width: 74px; height: 54px; left: 3%; bottom: 4%; transform: rotate(-20deg); }
.hero__cells span:nth-child(3) { width: 42px; height: 31px; left: 48%; top: 10%; }
.hero__cells span:nth-child(4) { width: 90px; height: 68px; right: 28%; bottom: -30px; }

.notice { color: #263f4f; background: #f8ead3; border-bottom: 1px solid #ead8b9; }
.notice__inner { display: flex; align-items: flex-start; gap: .9rem; padding-block: 1rem; }
.notice__inner p { margin: 0; font-size: .83rem; }
.notice__icon { display: grid; width: 22px; height: 22px; flex: 0 0 auto; place-items: center; color: #fff; background: #9e5e00; border-radius: 50%; font-weight: 900; }

.section { padding-block: clamp(4.5rem, 8vw, 7.8rem); }
.section-heading { max-width: 800px; margin-bottom: 2.6rem; }
.section-heading h1, .section-heading h2, .everyday h2, .clinical h2, .padova h2, .sources h2, .future h2 {
  margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.2rem, 4vw, 4.1rem); font-weight: 400; letter-spacing: -.035em; line-height: 1.06;
}
.section-heading p:last-child { margin: 1rem 0 0; color: var(--ink-soft); font-size: 1rem; }
.section-heading--split { max-width: none; display: grid; grid-template-columns: 1.05fr .75fr; align-items: end; gap: 5rem; }
.section-heading--split p:last-child { margin: 0 0 .35rem; }
.section-heading--light .eyebrow { color: #ffcdc2; }
.section-heading--light h2 { color: #fff; }

.intro { background: var(--cream); }
.topic-search { max-width: 540px; margin-bottom: 2rem; }
.topic-search label { display: block; margin-bottom: .5rem; font-size: .8rem; font-weight: 800; }
.topic-search__field { display: flex; align-items: center; gap: .7rem; padding: 0 .95rem; background: #fff; border: 1px solid #cbd4d7; border-radius: .7rem; box-shadow: 0 6px 20px rgba(23,50,70,.05); }
.topic-search__field:focus-within { border-color: var(--wine); box-shadow: 0 0 0 3px rgba(127,24,59,.13); }
.topic-search__field svg { width: 20px; fill: none; stroke: var(--ink-soft); stroke-width: 2; }
.topic-search__field input { width: 100%; min-height: 50px; color: var(--ink); background: transparent; border: 0; outline: 0; }
.topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.topic-card { min-height: 286px; display: flex; flex-direction: column; padding: 1.5rem; background: #fff; border: 1px solid rgba(23,50,70,.1); border-radius: 1rem; transition: transform .2s, box-shadow .2s; }
.topic-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.topic-card__number { color: var(--wine); font-size: .7rem; font-weight: 900; letter-spacing: .1em; }
.topic-card h3 { margin: 1.8rem 0 .6rem; font-family: Georgia, "Times New Roman", serif; font-size: 1.55rem; line-height: 1.15; }
.topic-card p { margin: 0 0 1rem; color: var(--ink-soft); font-size: .89rem; }
.topic-card a { margin-top: auto; color: var(--wine); font-size: .79rem; font-weight: 850; text-decoration: none; }
.search-empty { padding: 1.5rem; background: #fff; border-radius: .8rem; text-align: center; }

.pathways { background: var(--ink); }
.pathway-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.pathway-card { display: flex; min-height: 480px; flex-direction: column; padding: 1.75rem; border-radius: 1rem; }
.pathway-card--patient { background: #f8dcd4; }
.pathway-card--pro { background: #dbeae8; }
.pathway-card--research { background: #ece5f1; }
.pathway-card__icon { display: grid; width: 52px; height: 52px; place-items: center; background: rgba(255,255,255,.7); border-radius: 50%; font-size: 1.3rem; }
.pathway-card__label { margin: 2rem 0 .65rem; color: var(--wine); font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.pathway-card h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 2rem; line-height: 1.08; }
.pathway-card > p:not(.pathway-card__label) { color: #405461; font-size: .9rem; }
.pathway-card ul { margin: 1rem 0; padding: 0; list-style: none; }
.pathway-card li { padding: .55rem 0; border-top: 1px solid rgba(23,50,70,.15); font-size: .83rem; font-weight: 750; }
.pathway-card a { margin-top: auto; font-size: .81rem; font-weight: 900; text-decoration: none; }

.everyday { overflow: hidden; background: #fff; }
.everyday__grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: clamp(3rem, 8vw, 7rem); }
.everyday__visual { position: relative; min-height: 500px; }
.visual-orbit { position: absolute; inset: 50% auto auto 50%; border: 1px solid #c7d5d8; border-radius: 50%; transform: translate(-50%,-50%); }
.visual-orbit--one { width: 420px; height: 420px; }
.visual-orbit--two { width: 290px; height: 290px; }
.visual-core { position: absolute; inset: 50% auto auto 50%; display: grid; width: 170px; height: 170px; place-content: center; background: var(--wine); color: #fff; border-radius: 50%; transform: translate(-50%,-50%); text-align: center; box-shadow: 0 20px 50px rgba(127,24,59,.25); }
.visual-core span { font-family: Georgia, "Times New Roman", serif; font-size: 3rem; line-height: 1; }
.visual-core small { margin-top: .3rem; color: #f7c1b6; }
.visual-label { position: absolute; padding: .55rem .8rem; background: #fff; border: 1px solid var(--line); border-radius: 2rem; box-shadow: 0 8px 24px rgba(23,50,70,.1); font-size: .77rem; font-weight: 850; }
.visual-label--school { top: 13%; left: 9%; }
.visual-label--work { top: 18%; right: 7%; }
.visual-label--travel { bottom: 14%; left: 5%; }
.visual-label--care { right: 12%; bottom: 10%; }
.everyday__copy > p:not(.eyebrow) { max-width: 650px; color: var(--ink-soft); }
.feature-list { margin-top: 2rem; }
.feature-list article { display: grid; grid-template-columns: 180px 1fr; gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--line); }
.feature-list strong { font-family: Georgia, "Times New Roman", serif; font-size: 1.08rem; }
.feature-list span { color: var(--ink-soft); font-size: .88rem; }

.clinical { color: #fff; background: var(--wine); }
.clinical .eyebrow { color: #ffd2c8; }
.clinical__grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 8vw, 8rem); }
.clinical__grid > div:first-child > p:not(.eyebrow) { color: rgba(255,255,255,.76); }
.clinical__modules { border-top: 1px solid rgba(255,255,255,.3); }
.clinical__modules article { display: grid; grid-template-columns: 44px 1fr; gap: 1rem; padding: 1.25rem 0; border-bottom: 1px solid rgba(255,255,255,.3); }
.clinical__modules > article > span { display: grid; width: 36px; height: 36px; place-items: center; color: var(--wine); background: #fff; border-radius: 50%; font-size: .68rem; font-weight: 900; }
.clinical__modules h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 1.35rem; }
.clinical__modules p { margin: .2rem 0 0; color: rgba(255,255,255,.7); font-size: .83rem; }

.research { background: var(--cream); }
.featured-paper { overflow: hidden; margin-bottom: 1.2rem; background: #fff; border: 1px solid rgba(23,50,70,.1); border-radius: var(--radius); box-shadow: var(--shadow); }
.featured-paper__meta { display: flex; justify-content: space-between; padding: .8rem 1.2rem; color: #fff; background: var(--teal); font-size: .7rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.featured-paper__content { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; padding: 2rem; }
.featured-paper__kicker { margin: 0 0 .6rem; color: var(--wine); font-size: .72rem; font-weight: 900; text-transform: uppercase; }
.featured-paper h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 2rem; line-height: 1.1; }
.featured-paper__content p { color: var(--ink-soft); }
.paper-levels { padding: 1.2rem; background: var(--cream); border-radius: .8rem; }
.paper-level { padding: .4rem .65rem; color: var(--ink-soft); background: transparent; border: 0; border-bottom: 2px solid transparent; cursor: pointer; font-size: .74rem; font-weight: 850; }
.paper-level.is-active { color: var(--wine); border-color: var(--wine); }
.paper-levels p { margin-bottom: 0; font-size: .86rem; }
.featured-paper__link { display: block; padding: 1rem 2rem; color: var(--teal); border-top: 1px solid var(--line); font-size: .79rem; font-weight: 850; text-decoration: none; }
.research-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.research-grid article { min-height: 250px; display: flex; flex-direction: column; padding: 1.4rem; background: #fff; border: 1px solid rgba(23,50,70,.1); border-radius: 1rem; }
.research-card__meta { color: var(--teal) !important; font-size: .7rem !important; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.research-grid h3 { margin: .5rem 0; font-family: Georgia, "Times New Roman", serif; font-size: 1.35rem; line-height: 1.18; }
.research-grid p { color: var(--ink-soft); font-size: .84rem; }
.research-grid a { margin-top: auto; color: var(--wine); font-size: .76rem; font-weight: 850; text-decoration: none; }

.padova { background: #fff; }
.padova__grid { display: grid; grid-template-columns: .75fr 1.25fr; align-items: center; gap: clamp(3rem, 8vw, 8rem); }
.padova__portrait { position: relative; overflow: hidden; aspect-ratio: 4/5; display: flex; align-items: flex-end; padding: 2rem; color: #fff; background: linear-gradient(155deg, #18384e, #176f6b); border-radius: var(--radius); }
.portrait-shape { position: absolute; width: 340px; height: 220px; top: 15%; left: -8%; border: 38px solid rgba(255,255,255,.14); border-radius: 50%; transform: rotate(-25deg); }
.padova__portrait::after { content: ""; position: absolute; width: 180px; height: 180px; right: -30px; bottom: 12%; background: var(--coral); border-radius: 50%; opacity: .9; }
.padova__portrait p { position: relative; z-index: 2; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 3.5rem; line-height: .85; }
.padova__portrait p span { font-family: inherit; font-size: .9rem; letter-spacing: .08em; }
.padova__copy > p:not(.eyebrow,.footnote) { color: var(--ink-soft); }
.credential-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin: 2rem 0 1rem; }
.credential-row div { padding-top: 1rem; border-top: 2px solid var(--wine); }
.credential-row strong, .credential-row span { display: block; }
.credential-row strong { font-family: Georgia, "Times New Roman", serif; font-size: 2rem; }
.credential-row span { color: var(--ink-soft); font-size: .72rem; }
.footnote { color: var(--ink-soft); font-size: .68rem; }
.text-link { color: var(--wine); font-size: .8rem; font-weight: 850; text-decoration: none; }

.partners { background: #fffaf5; }
.partner-featured {
  display: grid;
  grid-template-columns: minmax(180px, .55fr) 1.45fr;
  align-items: center;
  gap: 3rem;
  padding: 2.4rem;
  background: #fff;
  border: 1px solid rgba(127,24,59,.14);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.partner-featured__logo { display: grid; min-height: 180px; place-items: center; padding: 1.5rem; background: #f7fbfa; border-radius: 1rem; }
.partner-featured__logo img { width: min(100%, 260px); height: auto; }
.partner-featured h3 { margin: .25rem 0 .7rem; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.8rem, 3vw, 2.6rem); }
.partner-featured p:not(.eyebrow) { color: var(--ink-soft); }
.partner-list { display: flex; flex-wrap: wrap; align-items: center; gap: .65rem; margin-top: 1.25rem; }
.partner-list p { width: 100%; margin: 0 0 .2rem; color: var(--ink-soft); font-size: .8rem; }
.partner-list span { padding: .55rem .85rem; color: var(--teal); background: #fff; border: 1px solid var(--line); border-radius: 999px; font-size: .75rem; font-weight: 800; }

.sources { color: #fff; background: var(--ink); }
.sources .eyebrow { color: #a9ded8; }
.sources__top { display: grid; grid-template-columns: 1.2fr .55fr; align-items: end; gap: 5rem; }
.review-badge { display: flex; align-items: center; gap: 1rem; padding: 1.2rem; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.18); border-radius: 1rem; }
.review-badge > span { display: grid; width: 44px; height: 44px; flex: 0 0 auto; place-items: center; color: var(--ink); background: #a9ded8; border-radius: 50%; font-weight: 900; }
.review-badge p, .review-badge small { display: block; margin: 0; }
.review-badge small { color: rgba(255,255,255,.65); }
.source-logos { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 3rem; border-top: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.source-logos a { display: grid; min-height: 100px; place-items: center; padding: 1rem; border-right: 1px solid rgba(255,255,255,.2); font-family: Georgia, "Times New Roman", serif; font-size: 1.15rem; text-align: center; text-decoration: none; }
.source-logos a:last-child { border-right: 0; }
.source-logos a:hover { background: rgba(255,255,255,.06); }

.future { padding-block: 5rem; color: #fff; background: var(--teal); }
.future .eyebrow { color: #c9f3ec; }
.future__inner { display: grid; grid-template-columns: 1.2fr .55fr; align-items: center; gap: 5rem; }
.future__inner p:not(.eyebrow) { max-width: 720px; color: rgba(255,255,255,.78); }
.future__actions { display: flex; align-items: flex-start; flex-direction: column; gap: .8rem; }
.future__actions span { color: rgba(255,255,255,.65); font-size: .7rem; }

.archive { background: #f6f1eb; }
.archive-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; }
.notice-card { margin: 0 0 1.4rem; padding: 1rem 1.2rem; border-left: 4px solid var(--wine); border-radius: .75rem; background: #fff7f3; color: var(--ink-soft); }
.notice-card p { margin: 0; }
.archive-grid a { min-height: 130px; display: flex; flex-direction: column; justify-content: space-between; padding: 1.2rem; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 1rem; text-decoration: none; }
.archive-grid a:hover, .archive-grid a:focus-visible { border-color: var(--wine); transform: translateY(-2px); }
.archive-grid strong { font-family: Georgia, "Times New Roman", serif; font-size: 1.15rem; }
.archive-grid span { color: var(--wine); font-size: .72rem; font-weight: 850; }

.site-footer { padding-top: 4rem; color: rgba(255,255,255,.8); background: #0c2230; }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr repeat(3, .7fr); gap: 3rem; }
.brand--footer strong { color: #fff; }
.brand--footer small { color: rgba(255,255,255,.55); }
.site-footer h2 { margin: 0 0 .9rem; color: #fff; font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; }
.site-footer__grid > div:not(.brand) a, .site-footer__grid > div:not(.brand) span { display: block; margin: .45rem 0; color: rgba(255,255,255,.62); font-size: .76rem; text-decoration: none; }
.site-footer__grid a:hover { color: #fff !important; }
.site-footer__bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-block: 1.2rem; border-top: 1px solid rgba(255,255,255,.12); font-size: .7rem; }
.site-footer__bottom p { margin: 0; }

@media (max-width: 980px) {
  .main-nav {
    position: absolute; top: 100%; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch;
    gap: 0; padding: 1rem 20px 1.5rem; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: .75rem 0; }
  .menu-toggle { display: block; }
  .hero__grid, .clinical__grid { grid-template-columns: 1fr; }
  .hero__grid { gap: 3rem; }
  .hero__panel { max-width: 650px; }
  .topic-grid, .pathway-grid, .research-grid, .archive-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading--split, .everyday__grid, .padova__grid, .sources__top, .future__inner { grid-template-columns: 1fr; gap: 2rem; }
  .section-heading--split p:last-child { margin: 0; }
  .padova__portrait { max-width: 560px; aspect-ratio: 16/10; }
  .site-footer__grid { grid-template-columns: 1.3fr repeat(3, 1fr); }
}

@media (max-width: 680px) {
  :root { --shell: min(100% - 28px, 1180px); }
  .utility p { max-width: 260px; }
  .site-header__inner { min-height: 70px; }
  .brand__mark { width: 40px; }
  .brand strong { font-size: 1.08rem; }
  .brand small { font-size: .56rem; }
  .hero__grid { min-height: auto; padding-block: 4rem; }
  .hero h1 { font-size: clamp(2.75rem, 14vw, 4.2rem); }
  .hero__lead { font-size: 1rem; }
  .hero__actions, .hero__actions .button { width: 100%; }
  .hero__panel { padding: .8rem; }
  .hero__panel a { grid-template-columns: 38px 1fr auto; }
  .section { padding-block: 4rem; }
  .topic-grid, .pathway-grid, .research-grid, .featured-paper__content, .partner-featured, .archive-grid { grid-template-columns: 1fr; }
  .pathway-card { min-height: 440px; }
  .everyday__visual { min-height: 390px; transform: scale(.86); }
  .visual-orbit--one { width: 350px; height: 350px; }
  .visual-orbit--two { width: 250px; height: 250px; }
  .feature-list article { grid-template-columns: 1fr; gap: .25rem; }
  .credential-row { grid-template-columns: 1fr; }
  .source-logos { grid-template-columns: 1fr 1fr; }
  .source-logos a { min-height: 78px; border-bottom: 1px solid rgba(255,255,255,.2); }
  .source-logos a:nth-child(2n) { border-right: 0; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .brand--footer { grid-column: 1 / -1; }
  .site-footer__bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}