/* AIRL — AI Research Lab | shared styles
   Palette: ink #0F1626 · coral #FF6B4A · slate #5B6472 · mist #9AA2B1 · line #E6E9EF · soft #F6F8FB
   Type: Space Grotesk (display) + Inter (body) */

:root{
  --ink:#0F1626; --ink-2:#1C2740; --coral:#FF6B4A; --coral-soft:#FFF0EB;
  --slate:#5B6472; --mist:#9AA2B1; --line:#E6E9EF; --soft:#F6F8FB; --bg:#FFFFFF;
  --disp:'Space Grotesk','Inter','Helvetica Neue',Arial,sans-serif;
  --body:'Inter','Helvetica Neue',Arial,sans-serif;
  --maxw:1120px; --r:12px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto} *,*::before,*::after{animation:none!important;transition:none!important}}
body{font-family:var(--body);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ── Header / nav ── */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{max-width:var(--maxw);margin:0 auto;padding:10px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo svg{width:46px;height:50px;flex:none}
.logo-text .name{font-family:var(--disp);font-size:20px;font-weight:700;letter-spacing:2.5px;line-height:1;display:block}
.logo-text .sub{font-size:8.5px;font-weight:700;letter-spacing:1.8px;color:var(--slate);display:block;margin-top:3px}
.logo-text .badge{display:inline-block;margin-top:4px;padding:1.5px 8px;border:1.5px solid var(--coral);border-radius:999px;font-size:7.5px;font-weight:700;letter-spacing:1.5px;color:var(--coral)}
nav.links{display:flex;gap:18px;flex-wrap:wrap}
nav.links a{text-decoration:none;color:var(--slate);font-size:13px;font-weight:600;padding:6px 2px;border-bottom:2px solid transparent}
nav.links a:hover,nav.links a:focus-visible{color:var(--ink)}
nav.links a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--coral)}
.nav-toggle{display:none}
.nav-burger{display:none;cursor:pointer;width:38px;height:38px;border:1px solid var(--line);border-radius:8px;align-items:center;justify-content:center;flex:none}
.nav-burger span,.nav-burger span::before,.nav-burger span::after{display:block;width:18px;height:2px;background:var(--ink);position:relative;content:"";transition:.2s}
.nav-burger span::before{position:absolute;top:-6px}.nav-burger span::after{position:absolute;top:6px}
@media (max-width:920px){
  .nav-burger{display:flex}
  nav.links{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:8px 22px 16px}
  nav.links a{padding:11px 4px;border-bottom:1px solid var(--line);font-size:15px}
  .nav-toggle:checked ~ nav.links{display:flex}
}

/* ── Hero ── */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero .wrap{position:relative;padding-top:84px;padding-bottom:84px;display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}
.hero .bg-net{position:absolute;inset:0;opacity:.10;pointer-events:none}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:3.5px;color:var(--coral);margin-bottom:16px;text-transform:uppercase}
h1{font-family:var(--disp);font-size:clamp(32px,4.6vw,52px);font-weight:700;line-height:1.12;letter-spacing:-.5px}
h1 .accent{color:var(--coral)}
.hero p.lead{margin-top:18px;font-size:17px;line-height:1.65;color:#C6CCDA;max-width:540px}
.hero-actions{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:700;letter-spacing:.3px;text-decoration:none;border:1.5px solid transparent}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#e85a3a}
.btn-ghost{border-color:#39445C;color:#fff}
.btn-ghost:hover{border-color:#fff}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2)}
.hero-mark{display:flex;justify-content:center}
.hero-mark .pulse{animation:pulse 3.5s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;padding-top:52px;padding-bottom:56px}.hero-mark{order:-1}.hero-mark svg{width:190px;height:auto}}

/* Page hero (inner pages) */
.page-hero{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.page-hero .wrap{padding-top:56px;padding-bottom:52px;position:relative}
.page-hero p{color:#C6CCDA;max-width:640px;margin-top:12px}

/* ── Sections ── */
section.block{padding:60px 0}
section.block.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2.sec{font-family:var(--disp);font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:-.3px;margin-bottom:10px}
.sec-eyebrow{font-size:11.5px;font-weight:700;letter-spacing:3px;color:var(--coral);text-transform:uppercase;margin-bottom:10px}
.sec-intro{color:var(--slate);max-width:720px;margin-bottom:30px}
h3{font-family:var(--disp);font-size:19px;font-weight:700;margin-bottom:8px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.card .dot{width:10px;height:10px;border-radius:50%;background:var(--coral);margin-bottom:14px}
.card p{font-size:14.5px;color:var(--slate)}
.card.dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.card.dark p{color:#C6CCDA}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:900px){.stats{grid-template-columns:1fr 1fr}}
.stat{border-left:3px solid var(--coral);padding:4px 0 4px 16px}
.stat .n{font-family:var(--disp);font-size:30px;font-weight:700;line-height:1.1}
.stat .l{font-size:13px;color:var(--slate);margin-top:4px}

/* Pillar cards */
.pillar{position:relative;border:1px solid var(--line);border-radius:var(--r);padding:26px;background:#fff;text-decoration:none;display:block;transition:border-color .15s, transform .15s}
.pillar:hover{border-color:var(--coral);transform:translateY(-2px)}
.pillar .hex{width:46px;height:50px;margin-bottom:14px}
.pillar h3{margin-bottom:6px}
.pillar p{font-size:14px;color:var(--slate)}
.pillar .more{display:inline-block;margin-top:12px;font-size:13px;font-weight:700;color:var(--coral)}

/* Lists / tables */
ul.tick{list-style:none}
ul.tick li{padding:7px 0 7px 24px;position:relative;font-size:15px;color:var(--ink)}
ul.tick li::before{content:"";position:absolute;left:2px;top:14px;width:8px;height:8px;border-radius:50%;background:var(--coral)}
ul.tick li .muted{color:var(--slate)}
table.data{width:100%;border-collapse:collapse;font-size:14px}
table.data th{text-align:left;font-size:11.5px;letter-spacing:1.5px;text-transform:uppercase;color:var(--slate);border-bottom:2px solid var(--ink);padding:10px 10px}
table.data td{border-bottom:1px solid var(--line);padding:11px 10px;vertical-align:top}
table.data td.amt{white-space:nowrap;font-weight:700}
table.data tr:hover td{background:var(--soft)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tag{display:inline-block;padding:2px 10px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.6px;background:var(--coral-soft);color:#C7492C;white-space:nowrap}
.tag.ink{background:#E8EBF2;color:var(--ink)}

/* Timeline */
.tl{border-left:2px solid var(--line);margin-left:8px;padding-left:26px}
.tl .item{position:relative;padding-bottom:24px}
.tl .item::before{content:"";position:absolute;left:-33px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--coral);border:3px solid #fff;box-shadow:0 0 0 2px var(--line)}
.tl .yr{font-family:var(--disp);font-weight:700;color:var(--coral);font-size:14px;letter-spacing:1px}
.tl h4{font-size:16px;font-weight:700;margin:2px 0 4px}
.tl p{font-size:14.5px;color:var(--slate)}

/* People */
.person{border:1px solid var(--line);border-radius:var(--r);padding:20px;background:#fff}
.person .role{font-size:11.5px;font-weight:700;letter-spacing:1.6px;color:var(--coral);text-transform:uppercase}
.person h4{font-size:16.5px;font-weight:700;margin:6px 0 4px}
.person p{font-size:13.5px;color:var(--slate)}
.avatar{width:88px;height:88px;border-radius:50%;object-fit:cover;margin-bottom:14px;border:3px solid var(--coral-soft)}

/* Publications */
.pub-year{font-family:var(--disp);font-size:22px;font-weight:700;color:var(--coral);margin:30px 0 8px}
ol.pubs{list-style:none;counter-reset:p}
ol.pubs li{padding:10px 0 10px 0;border-bottom:1px solid var(--line);font-size:14.5px}
ol.pubs li .t{font-weight:600}
ol.pubs li .v{color:var(--slate)}

/* Media band */
.media-band{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:800px){.media-band{grid-template-columns:1fr}}
.media-band figure{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.media-band img{width:100%;height:200px;object-fit:cover}
.media-band figcaption{padding:12px 16px;font-size:13.5px;color:var(--slate)}

/* CTA band */
.cta-band{background:var(--ink);color:#fff;border-radius:16px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h3{font-size:22px}
.cta-band p{color:#C6CCDA;font-size:15px;margin-top:6px}

/* Footer */
footer.site{background:var(--ink);color:#B9C0CF;margin-top:70px}
footer .wrap{padding:44px 22px 30px}
.f-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px}
@media (max-width:800px){.f-grid{grid-template-columns:1fr}}
footer h5{color:#fff;font-family:var(--disp);font-size:14px;letter-spacing:1.5px;margin-bottom:12px;text-transform:uppercase}
footer a{color:#B9C0CF;text-decoration:none;font-size:14px}
footer a:hover{color:#fff}
footer ul{list-style:none}
footer li{padding:4px 0}
.land{font-size:13px;line-height:1.7;color:#8A94A6;border-top:1px solid #26304A;margin-top:30px;padding-top:20px}
.f-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8A94A6;margin-top:14px}
.f-bottom .dom{font-weight:700;color:#C6CCDA;letter-spacing:.5px}

:focus-visible{outline:3px solid var(--coral);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px}.skip:focus{position:fixed;left:12px;top:12px;background:#fff;padding:10px 16px;z-index:99;border-radius:8px}