:root {
  --bg: #0b1020;
  --bg-2: #11182a;
  --panel: #151e33;
  --panel-2: #1b2640;
  --text: #f4f7fb;
  --muted: #a9b4c8;
  --line: rgba(255,255,255,.11);
  --accent: #62d4ff;
  --accent-2: #9c7cff;
  --warm: #ffcf67;
  --max: 1180px;
  --radius: 24px;
  --base-font: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: var(--base-font); }
body {
  margin: 0;
  background:
    radial-gradient(circle at 80% -10%, rgba(98,212,255,.16), transparent 34rem),
    radial-gradient(circle at 5% 20%, rgba(156,124,255,.14), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; display: block; }
.shell { width: min(calc(100% - 36px), var(--max)); margin-inline: auto; }

.skip-link {
  position: fixed; left: 12px; top: 12px; z-index: 9999;
  transform: translateY(-160%);
  background: white; color: #111; padding: 10px 14px; border-radius: 10px;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(11,16,32,.78);
  border-bottom: 1px solid var(--line);
}
.nav-wrap { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.brand-mark {
  width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 13px; font-weight: 900; color: #071018;
  background: linear-gradient(135deg, var(--accent), #c6ffdc);
}
.brand strong, .brand small { display: block; }
.brand strong { letter-spacing: -.02em; }
.brand small { color: var(--muted); font-size: .72rem; margin-top: -3px; }
.main-nav { display: flex; gap: 22px; }
.main-nav a { text-decoration: none; color: #dce4f1; font-size: .92rem; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--accent); }
.a11y-tools { display: flex; gap: 7px; }
.a11y-tools button, .filter {
  border: 1px solid var(--line); background: rgba(255,255,255,.04); color: var(--text);
  border-radius: 999px; padding: 8px 11px; cursor: pointer;
}
.a11y-tools button:hover, .filter:hover, .filter.active { border-color: var(--accent); color: var(--accent); }

.hero { padding: 88px 0 66px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 64px; }
.eyebrow {
  margin: 0 0 12px; color: var(--accent); text-transform: uppercase;
  letter-spacing: .16em; font-size: .76rem; font-weight: 800;
}
h1, h2, h3 { line-height: 1.08; letter-spacing: -.035em; margin-top: 0; }
h1 { font-size: clamp(3rem, 7vw, 6.4rem); margin-bottom: 26px; max-width: 850px; }
h1 span { color: var(--accent); }
h2 { font-size: clamp(2rem, 4.2vw, 4rem); margin-bottom: 22px; }
h3 { font-size: 1.35rem; }
.hero-lead, .lead { color: var(--muted); font-size: 1.15rem; max-width: 720px; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 20px; border-radius: 999px; text-decoration: none; font-weight: 800;
}
.button.primary { background: var(--accent); color: #071018; }
.button.ghost { border: 1px solid var(--line); }
.button:hover { transform: translateY(-1px); }

.hero-panel { min-height: 510px; position: relative; display: grid; place-items: center; }
.orb { position: absolute; border-radius: 50%; filter: blur(1px); }
.orb-a { width: 320px; height: 320px; background: rgba(98,212,255,.22); right: 10%; top: 2%; }
.orb-b { width: 220px; height: 220px; background: rgba(156,124,255,.22); left: 4%; bottom: 6%; }
.hero-card {
  position: relative; width: min(100%, 430px); padding: 34px;
  border-radius: 32px; border: 1px solid rgba(255,255,255,.16);
  background: linear-gradient(150deg, rgba(255,255,255,.11), rgba(255,255,255,.035));
  box-shadow: 0 35px 90px rgba(0,0,0,.35);
}
.hero-card .tag { display: inline-block; color: #071018; background: var(--warm); padding: 6px 10px; border-radius: 999px; font-weight: 800; font-size: .75rem; }
.hero-card h2 { font-size: 2.2rem; margin: 22px 0 16px; }
.hero-card p { color: var(--muted); }
.metric-row { margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.metric-row b, .metric-row span { display: block; }
.metric-row b { font-size: 1.8rem; }
.metric-row span { color: var(--muted); font-size: .72rem; }

.ticker { border-block: 1px solid var(--line); background: rgba(255,255,255,.025); }
.ticker-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px 26px; padding: 15px 0; color: var(--muted); font-size: .85rem; }

.section { padding: 96px 0; }
.section-heading { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 34px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.news-card {
  border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius);
  overflow: hidden; min-height: 100%; transition: transform .2s ease, border-color .2s ease;
}
.news-card:hover { transform: translateY(-4px); border-color: rgba(98,212,255,.48); }
.news-card.feature { grid-column: span 2; display: grid; grid-template-columns: 1fr 1.1fr; }
.card-visual { min-height: 210px; display: grid; place-items: center; position: relative; overflow: hidden; }
.card-visual::before, .card-visual::after { content:""; position:absolute; border-radius:50%; }
.card-visual::before { width: 220px; height:220px; background: rgba(255,255,255,.09); }
.card-visual::after { width: 120px; height:120px; border: 1px solid rgba(255,255,255,.25); }
.card-visual span { position: relative; z-index:2; font-size: 2.4rem; font-weight:900; letter-spacing:-.06em; }
.visual-neuro { background: linear-gradient(135deg,#1d315f,#683e8f); }
.visual-game { background: linear-gradient(135deg,#243b64,#1b8b85); }
.visual-ai { background: linear-gradient(135deg,#372a69,#1a728e); }
.visual-rehab { background: linear-gradient(135deg,#3e4a63,#84673b); }
.visual-access { background: linear-gradient(135deg,#234c64,#3a3d86); }
.visual-health { background: linear-gradient(135deg,#28595a,#29507a); }
.card-body { padding: 25px; }
.meta { display:flex; gap:12px; justify-content:space-between; color:var(--muted); font-size:.75rem; margin-bottom:16px; }
.meta span { color: var(--accent); font-weight:800; text-transform:uppercase; letter-spacing:.08em; }
.card-body p { color: var(--muted); }
.card-body a { display:inline-block; margin-top:9px; color:var(--accent); text-decoration:none; font-weight:700; }
.news-card[hidden] { display: none !important; }

.split-section { background: linear-gradient(180deg, rgba(255,255,255,.02), transparent); }
.split-grid { display:grid; grid-template-columns:1.25fr .75fr; gap:70px; align-items:center; }
.check-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:34px; }
.check-grid > div { background:var(--panel); border:1px solid var(--line); padding:22px; border-radius:20px; }
.check-grid b, .check-grid span { display:block; }
.check-grid span { color:var(--muted); margin-top:6px; font-size:.92rem; }
.quote-card {
  min-height:420px; padding:38px; border-radius:34px; display:flex; flex-direction:column; justify-content:flex-end;
  background: linear-gradient(150deg,rgba(98,212,255,.18),rgba(156,124,255,.18)), var(--panel);
  border:1px solid rgba(255,255,255,.15);
}
.quote-mark { font-size:7rem; line-height:.6; color:var(--accent); }
.quote-card p { font-size:1.8rem; line-height:1.25; font-weight:800; }
.quote-card small { color:var(--muted); }

.medicine { background:#f3f6fb; color:#111827; }
.medicine .eyebrow { color:#2764df; }
.topic-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:38px; }
.topic-grid article { background:white; border:1px solid #dbe2ee; border-radius:22px; padding:24px; }
.topic-grid p { color:#596579; }
.topic-icon { display:inline-grid; place-items:center; width:46px; height:46px; border-radius:14px; background:#e9f5ff; color:#2764df; font-weight:900; margin-bottom:30px; }

.about-grid { display:grid; grid-template-columns:1fr 1fr; gap:70px; }
.about-grid p { color:var(--muted); font-size:1.04rem; }

.newsletter { padding:0 0 96px; }
.newsletter-box {
  border:1px solid rgba(255,255,255,.14); border-radius:32px; padding:38px 42px;
  background:linear-gradient(120deg,rgba(98,212,255,.12),rgba(156,124,255,.13));
  display:flex; align-items:center; justify-content:space-between; gap:30px;
}
.newsletter-box h2 { font-size:clamp(2rem,4vw,3.4rem); margin-bottom:10px; }
.newsletter-box p:not(.eyebrow) { color:var(--muted); margin-bottom:0; }

.site-footer { border-top:1px solid var(--line); padding:48px 0; color:var(--muted); }
.footer-grid { display:grid; grid-template-columns:1.5fr .7fr 1fr; gap:34px; }
.footer-grid > div { display:flex; flex-direction:column; align-items:flex-start; gap:8px; }
.footer-grid strong { color:var(--text); }
.footer-grid a { text-decoration:none; }
.footer-brand { margin-bottom:10px; }

body.high-contrast {
  --bg:#000; --bg-2:#000; --panel:#050505; --panel-2:#050505;
  --text:#fff; --muted:#e8e8e8; --line:rgba(255,255,255,.5); --accent:#00ffff;
}
body.high-contrast .medicine { background:#fff; color:#000; }
body.high-contrast .medicine .topic-grid article { border-color:#000; }
body.high-contrast .medicine .topic-grid p { color:#111; }

@media (max-width: 940px) {
  .main-nav { display:none; }
  .hero-grid, .split-grid, .about-grid { grid-template-columns:1fr; }
  .hero-panel { min-height:390px; }
  .news-grid { grid-template-columns:repeat(2,1fr); }
  .news-card.feature { grid-column:span 2; }
  .topic-grid { grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 640px) {
  .shell { width:min(calc(100% - 24px),var(--max)); }
  .nav-wrap { min-height:70px; }
  .brand small { display:none; }
  .a11y-tools button { padding:7px 8px; font-size:.78rem; }
  .hero { padding:60px 0 40px; }
  h1 { font-size:clamp(2.8rem,15vw,4.4rem); }
  .hero-actions { flex-direction:column; align-items:stretch; }
  .hero-panel { min-height:340px; }
  .hero-card { padding:25px; }
  .hero-card h2 { font-size:1.8rem; }
  .section { padding:68px 0; }
  .section-heading { align-items:flex-start; flex-direction:column; }
  .news-grid, .check-grid, .topic-grid, .footer-grid { grid-template-columns:1fr; }
  .news-card.feature { grid-column:auto; display:block; }
  .newsletter-box { padding:28px; flex-direction:column; align-items:flex-start; }
}