/* ===== Brain Preservation Foundation — design system ===== */
:root{
  color-scheme: light;
  --maxw: 1120px;
  --maxw-prose: 760px;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(16,24,40,.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;

  --bg:#ffffff; --surface:#f8f4f3; --surface-2:#f0e7e6; --border:#e8dcdb;
  --ink:#2b2729; --muted:#6c6164; --accent:#9b1b3f; --accent-dark:#7a1530;
  --on-accent:#ffffff;
  --hero-bg: linear-gradient(155deg,#2a2326 0%,#4a1f2e 52%,#6f1d3a 100%);
  --hero-overlay: linear-gradient(115deg,rgba(33,26,29,.95) 0%,rgba(58,24,38,.90) 42%,rgba(111,29,58,.74) 100%);
  --hero-ink:#f4ecee; --hero-muted:#e3c8cf;
  --chip:#f3dde3; --chip-ink:#7a1530;
  --hero-img: url('/assets/img/hero-em.jpg');
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.prose-wrap{max-width:var(--maxw-prose);margin:0 auto;padding:0 24px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.01em;font-weight:700}
img{max-width:100%;height:auto}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px}
.brand{display:flex;align-items:center}
.brand:hover{text-decoration:none}
.logo-img{height:46px;width:auto;display:block}
@media(max-width:520px){.logo-img{height:36px}}
nav.links{display:flex;gap:22px;align-items:center}
nav.links a{color:var(--ink);font-size:14.5px;font-weight:500}
nav.links a:hover{color:var(--accent);text-decoration:none}
nav.links a.btn,nav.links a.btn:hover{color:var(--on-accent)}
.btn{display:inline-block;background:var(--accent);color:var(--on-accent);padding:10px 18px;border-radius:10px;font-weight:600;font-size:14.5px;transition:background .15s;cursor:pointer;border:none}
.btn:hover{background:var(--accent-dark);text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--border)}
.btn.ghost:hover{background:var(--surface)}
.btn.on-hero{background:#fff;color:var(--accent-dark)}
.btn.on-hero.ghost{background:transparent;color:var(--hero-ink);border:1px solid color-mix(in srgb,var(--hero-ink) 45%,transparent)}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--ink)}
@media(max-width:900px){
  nav.links{position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--border);padding:8px 0;transform:translateY(-120%);transition:transform .25s;box-shadow:var(--shadow)}
  nav.links.open{transform:translateY(0)}
  nav.links a{padding:13px 24px}
  nav.links a.btn{margin:8px 24px;text-align:center}
  .menu-toggle{display:block}
}

/* ---------- hero (home) ---------- */
.hero{background:var(--hero-overlay), var(--hero-img);background-size:cover,cover;background-position:center,center 35%;color:var(--hero-ink);padding:96px 0 104px;position:relative;overflow:hidden}
.hero .hero-cap{position:absolute;right:20px;bottom:14px;max-width:38ch;text-align:right;font-size:11.5px;line-height:1.45;color:color-mix(in srgb,var(--hero-ink) 64%,transparent);z-index:2}
@media(max-width:760px){.hero .hero-cap{display:none}}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--hero-muted);margin-bottom:18px}
.hero h1{font-size:clamp(30px,5vw,52px);max-width:16ch;margin-bottom:20px}
.hero p.lede{font-size:clamp(16px,2.2vw,20px);color:var(--hero-muted);max-width:62ch;margin-bottom:30px}
.hero .cta{display:flex;gap:13px;flex-wrap:wrap}

/* ---------- page hero (interior) ---------- */
.page-hero{background:var(--hero-bg);color:var(--hero-ink);padding:64px 0 58px}
.page-hero .eyebrow{color:var(--hero-muted)}
.page-hero h1{font-size:clamp(28px,4.4vw,42px);max-width:20ch;margin-bottom:14px}
.page-hero p{color:var(--hero-muted);max-width:62ch;font-size:clamp(15px,2vw,18px)}
.breadcrumb{font-size:13px;color:var(--hero-muted);margin-bottom:18px}
.breadcrumb a{color:var(--hero-muted);text-decoration:underline}

/* ---------- sections ---------- */
section{padding:72px 0}
section.tight{padding:52px 0}
.section-tag{font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
h2.title{font-size:clamp(24px,3.4vw,34px);max-width:24ch;margin-bottom:16px}
.lead{font-size:18px;color:var(--muted);max-width:68ch}
.surface{background:var(--surface)}
.chip{display:inline-block;background:var(--chip);color:var(--chip-ink);font-size:12.5px;font-weight:600;padding:5px 11px;border-radius:999px;margin-bottom:18px}

/* mission split */
.split{display:grid;grid-template-columns:1.2fr 1fr;gap:54px;align-items:center}
.split.even{grid-template-columns:1fr 1fr}
@media(max-width:820px){.split,.split.even{grid-template-columns:1fr;gap:32px}}
blockquote.pull{font-family:var(--serif);font-size:clamp(20px,2.8vw,27px);line-height:1.4;color:var(--ink);border-left:3px solid var(--accent);padding-left:22px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.stat{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.stat b{display:block;font-size:26px;color:var(--accent);letter-spacing:-.02em}
.stat span{font-size:13.5px;color:var(--muted)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px}
.cards.two{grid-template-columns:repeat(2,1fr)}
.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.card .ic{width:42px;height:42px;border-radius:11px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--accent)}
.card h3{font-size:18px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--muted)}
.card a.more{display:inline-block;margin-top:14px;font-size:14px;font-weight:600}
@media(max-width:820px){.cards,.cards.two{grid-template-columns:1fr}}

/* timeline */
.timeline{list-style:none;position:relative;padding-left:26px}
.timeline:before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--border)}
.timeline li{position:relative;padding:0 0 18px 6px}
.timeline li:last-child{padding-bottom:0}
.timeline li:before{content:"";position:absolute;left:-23px;top:5px;width:11px;height:11px;border-radius:50%;background:var(--accent);border:2px solid var(--bg)}
.timeline b{font-size:14.5px}.timeline span{font-size:13.5px;color:var(--muted)}
.timeline .yr{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.04em}

/* prose (article pages) */
.prose{font-size:16.5px;color:var(--ink)}
.prose > *{max-width:var(--maxw-prose)}
.prose h2{font-size:25px;margin:42px 0 14px}
.prose h3{font-size:19px;margin:30px 0 10px}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{margin:0 0 18px 22px}
.prose li{margin:0 0 8px}
.prose blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 20px;margin:0 0 22px;color:var(--muted);font-style:italic}
.prose figure{margin:26px 0}
.prose figure img{border-radius:10px;border:1px solid var(--border);width:100%}
.prose figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.prose a{text-decoration:underline}
.prose hr{border:none;border-top:1px solid var(--border);margin:34px 0}
.callout{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:10px;padding:18px 20px;margin:0 0 22px;font-size:15px}

/* people grid */
.people{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
@media(max-width:820px){.people{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.people{grid-template-columns:1fr}}
.person{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.person b{display:block;font-size:16px}
.person .role{color:var(--accent);font-size:13.5px;font-weight:600;margin:2px 0 8px}
.person p{font-size:14px;color:var(--muted)}
.adv-list{columns:2;column-gap:40px;margin-top:20px}
@media(max-width:680px){.adv-list{columns:1}}
.adv-list .adv{break-inside:avoid;margin-bottom:14px;font-size:14.5px}
.adv b{display:block}.adv span{color:var(--muted);font-size:13px}

/* table (donors) */
.tbl{width:100%;border-collapse:collapse;font-size:14.5px;margin:18px 0}
.tbl th,.tbl td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--border)}
.tbl th{font-size:12.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.tbl tr:hover td{background:var(--surface)}

/* newsletter band */
.news{background:var(--hero-bg);color:var(--hero-ink)}
.news .split{align-items:center}
.news h2{font-size:clamp(22px,3vw,30px);margin-bottom:12px}
.news p{color:var(--hero-muted);max-width:52ch}
.news form{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap}
.news input{flex:1;min-width:180px;padding:13px 15px;border-radius:10px;border:1px solid color-mix(in srgb,var(--hero-ink) 28%,transparent);background:color-mix(in srgb,#fff 12%,transparent);color:var(--hero-ink);font-size:14.5px}
.news input::placeholder{color:var(--hero-muted)}

/* footer */
footer.site{background:var(--ink);color:#cdbfc2;padding:56px 0 30px;font-size:14px}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;margin-bottom:34px}
footer h4{color:#fff;font-size:13px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:14px}
footer a{color:#cdbfc2;display:block;margin-bottom:8px}
footer a:hover{color:#fff}
footer p{max-width:34ch}
.disclaimer{border-top:1px solid rgba(255,255,255,.13);padding-top:22px;font-size:12.5px;color:#a89a9d;line-height:1.6}
.disclaimer strong{color:#fff}
.social{display:flex;gap:12px;margin-top:14px}
.social a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,.08);margin:0}
.social a:hover{background:rgba(255,255,255,.16)}
.social svg{width:18px;height:18px;fill:#e8dde0}
@media(max-width:820px){footer .cols{grid-template-columns:1fr 1fr;gap:26px}}

/* ---------- dropdown nav ---------- */
.has-children{position:relative;align-self:stretch;display:flex;align-items:center}
.has-children > .drop-toggle{display:inline-flex;align-items:center;gap:5px;cursor:pointer}
.drop-toggle svg{transition:transform .2s}
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(6px);background:var(--bg);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:8px;min-width:230px;opacity:0;visibility:hidden;transition:opacity .15s,transform .15s;z-index:50}
.dropdown::before{content:"";position:absolute;left:0;right:0;top:-10px;height:12px}
@media(min-width:901px){.has-children:hover .dropdown,.has-children:focus-within .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}}
.dropdown a{display:block;padding:9px 12px;border-radius:8px;font-size:14px;color:var(--ink);white-space:nowrap}
.dropdown a:hover{background:var(--surface);color:var(--accent);text-decoration:none}
@media(max-width:900px){
  .has-children{position:static;display:block;align-self:auto}
  .dropdown{display:block;position:static;left:auto;transform:none;opacity:1;visibility:visible;box-shadow:inset 3px 0 0 var(--accent);border:none;border-radius:0;padding:0;min-width:0;background:var(--surface);max-height:0;overflow:hidden;transition:max-height .28s ease}
  .has-children.open .dropdown{max-height:520px}
  .dropdown::before{display:none}
  .dropdown a{padding:11px 24px 11px 44px;font-size:13.5px;font-weight:400;color:var(--muted)}
  .has-children > .drop-toggle{padding:14px 24px;display:flex;justify-content:space-between;width:100%}
  .has-children.open > .drop-toggle svg{transform:rotate(180deg)}
}

/* ---------- media ---------- */
.video-embed{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:12px;border:1px solid var(--border);background:#000;margin:0 0 10px}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vid-list{list-style:none;margin:14px 0 0;padding:0}
.vid-list li{padding:11px 0;border-bottom:1px solid var(--border)}
.vid-list li:last-child{border-bottom:none}
.vid-list a{font-weight:600}
.vid-list span{color:var(--muted);font-size:13.5px;display:block}


/* ---------- people avatars ---------- */
.person{display:flex;flex-direction:column}
.avatar{width:72px;height:72px;border-radius:50%;object-fit:cover;border:1px solid var(--border);margin-bottom:14px}
.avatar-ph{width:72px;height:72px;border-radius:50%;background:var(--surface-2);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:24px;margin-bottom:14px}
/* prominent WON banner */
.won-banner{background:linear-gradient(120deg,#7a1530,#9b1b3f);color:#fff;border-radius:14px;padding:22px 26px;margin:0 0 26px;display:flex;align-items:center;gap:16px}
.won-banner .tick{flex:0 0 auto;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center}
.won-banner b{font-size:18px;display:block}
.won-banner span{font-size:14.5px;opacity:.92}
.judge{display:flex;gap:16px;align-items:flex-start;margin:18px 0;padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:12px}
.judge img,.judge .avatar-ph{width:64px;height:64px;flex:0 0 auto;margin:0}
.judge b{font-size:16px}.judge .role{color:var(--accent);font-size:13.5px;font-weight:600;margin:2px 0 6px}.judge p{font-size:14px;color:var(--muted);margin:0}

/* clickable video thumbnail */
.video-thumb{position:relative;display:block;border-radius:12px;overflow:hidden;border:1px solid var(--border);line-height:0}
.video-thumb img{width:100%;display:block;transition:transform .3s}
.video-thumb:hover img{transform:scale(1.03)}
.video-thumb .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(20,15,17,.28)}
.video-thumb .play span{width:62px;height:62px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.3)}
.video-thumb .play svg{width:24px;height:24px;fill:#fff;margin-left:3px}

/* ---------- advisor cards ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}
@media(max-width:900px){.adv-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.adv-grid{grid-template-columns:repeat(2,1fr)}}
.adv-card{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:18px 14px;text-align:center}
.adv-card img,.adv-card .ph{width:84px;height:84px;border-radius:50%;object-fit:cover;margin:0 auto 12px;display:block;border:1px solid var(--border);background:#fff}
.adv-card .ph{background:var(--surface-2);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:26px}
.adv-card b{font-size:14.5px;display:block;line-height:1.25}
.adv-card span{font-size:12px;color:var(--muted);display:block;margin-top:4px;line-height:1.35}
.join-cta{margin-top:38px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:28px;text-align:center}
.join-cta h3{font-size:20px;margin-bottom:8px}
.join-cta p{color:var(--muted);max-width:48ch;margin:0 auto 16px}
.memoriam{margin-top:30px;font-size:13.5px;color:var(--muted);text-align:center}

/* ---------- resources & interviews ---------- */
.rtag{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;padding:3px 8px;border-radius:6px;background:var(--chip);color:var(--chip-ink);margin-right:9px;vertical-align:middle;white-space:nowrap}
.rtag.fmt{background:var(--surface-2);color:var(--accent)}
.res-list{list-style:none;margin:14px 0 0;padding:0}
.res-list li{padding:13px 0;border-bottom:1px solid var(--border);font-size:15px;line-height:1.5}
.res-list li:last-child{border-bottom:none}
.res-list .meta{color:var(--muted);font-size:13px}
.res-h{font-size:13px;margin:34px 0 4px;color:var(--accent);text-transform:uppercase;letter-spacing:.05em;font-weight:700}
.res-h:first-of-type{margin-top:10px}
.book-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.book-card .rtag{margin-bottom:12px}
.book-card h3{font-size:21px;margin-bottom:6px}
.book-card p{color:var(--muted);font-size:14.5px;margin-bottom:16px}