:root{--ink:#0E1A1F;--ink-2:#5A6A72;--ink-3:#33434B;--line:#E2E7E9;--paper:#fff;--mist:#F2F5F6;--accent:#1B49C4;--accent-deep:#14348F;--accent-tint:#EEF2FE;--radius:18px;--maxw:1120px;--fill:#FFE9A8}
*{box-sizing:border-box}
html{scroll-behavior:smooth;text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Golos Text",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased}
::selection{background:#D8E1FF}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
@media(max-width:700px){.wrap{padding:0 20px}}
mark.fill{background:var(--fill);color:var(--ink);padding:0 4px;border-radius:3px}

/* header */
header.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:66px}
.brand{display:flex;align-items:baseline;gap:9px;text-decoration:none;white-space:nowrap}
.brand b{font-size:15.5px;font-weight:700;letter-spacing:-.015em}
.brand span{font-size:12.5px;color:var(--ink-2)}
nav.anchors{display:flex;gap:22px}
nav.anchors a{font-size:14.5px;color:var(--ink-2);text-decoration:none;white-space:nowrap;padding:6px 0;border-bottom:2px solid transparent;transition:color .16s,border-color .16s}
nav.anchors a:hover{color:var(--ink);border-bottom-color:var(--accent)}
.top-cta{display:inline-flex;padding:9px 18px;border-radius:999px;background:var(--ink);color:#fff;font-size:14px;font-weight:600;text-decoration:none;white-space:nowrap;transition:background .18s}
.top-cta:hover{background:var(--accent)}
@media(max-width:980px){nav.anchors{display:none}.brand span{display:none}}

/* base */
section{padding:clamp(56px,7.5vw,104px) 0;scroll-margin-top:82px}
.sec--mist{background:var(--mist)}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,34ch);gap:22px 56px;align-items:end;margin-bottom:clamp(28px,3.6vw,46px)}
@media(max-width:860px){.sec-head{grid-template-columns:1fr;gap:16px}}
h1,h2,h3{font-weight:700;letter-spacing:-.03em;line-height:1.12;margin:0;overflow-wrap:break-word}
h2{font-size:clamp(25px,3.2vw,38px);max-width:24ch}
h3{letter-spacing:-.02em;line-height:1.28}
p{margin:0 0 14px;max-width:76ch}
.sec-note{margin:0;font-size:14.5px;line-height:1.55;color:var(--ink-2);border-left:2px solid var(--accent);padding-left:16px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}
.sec--mist .card{border-color:transparent}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-size:15px;font-weight:600;text-decoration:none;background:var(--ink);color:#fff;transition:background .18s}
.btn:hover{background:var(--accent)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1px var(--ink);background:transparent}

/* hero */
.hero{padding:clamp(44px,6vw,88px) 0 clamp(40px,5vw,72px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:clamp(28px,4vw,60px);align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:34px}}
.label{display:inline-block;font-size:13px;font-weight:600;color:var(--accent-deep);background:var(--accent-tint);border-radius:999px;padding:7px 15px;margin:0}
h1{font-size:clamp(32px,5vw,58px);letter-spacing:-.038em;line-height:1.04;margin-top:22px;max-width:19ch}
.lead{margin:24px 0 0;font-size:clamp(16px,1.4vw,19px);line-height:1.6;color:var(--ink-3);max-width:60ch}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.portrait{margin:0;border-radius:26px;overflow:hidden;background:var(--mist)}
@media(max-width:900px){.portrait{max-width:280px}}
@media(max-width:560px){.hero-actions{flex-wrap:nowrap;gap:10px}.btn{flex:1 1 0;justify-content:center;padding:13px 12px;font-size:13.5px;white-space:nowrap}}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:clamp(36px,5vw,64px)}
@media(max-width:920px){.metrics{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.metrics{grid-template-columns:1fr}}
.metric{background:var(--mist);border-radius:var(--radius);padding:24px 22px 26px}
.metric .num{display:block;font-size:clamp(28px,3.2vw,38px);font-weight:700;letter-spacing:-.035em;line-height:1.05;color:var(--accent);font-variant-numeric:tabular-nums}
.metric .lab{display:block;margin-top:11px;font-size:14px;line-height:1.5;color:var(--ink-2)}
.def{margin:20px 0 0;font-size:14.5px;line-height:1.55;color:var(--ink-2);max-width:none}

/* for whom */
.who{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.who{grid-template-columns:1fr}}
.who .card{padding:26px 26px 28px}
.who h3{font-size:18.5px;margin:0 0 10px}
.who p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.58}

/* scope */
.scope{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:16px}
@media(max-width:800px){.scope{grid-template-columns:1fr}}
.scope .metric{background:var(--paper)}
.scope .num{font-size:clamp(22px,2.4vw,28px)}

/* cases */
.cases{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:880px){.cases{grid-template-columns:1fr}}
.case{padding:28px 28px 26px}
.case .ctx{display:block;font-size:13px;font-weight:600;color:var(--accent)}
.case h3{font-size:20px;margin:10px 0 20px}
.case dl{margin:0}
.case .row{display:grid;grid-template-columns:96px minmax(0,1fr);gap:16px;padding:13px 0;border-top:1px solid var(--line)}
@media(max-width:520px){.case .row{grid-template-columns:1fr;gap:6px}}
.case dt{font-size:13px;font-weight:600;color:var(--ink-2);padding-top:2px}
.case dd{margin:0;font-size:15px;line-height:1.56;color:var(--ink-3)}
.case dd ul{margin:0;padding-left:18px}
.case dd li{margin-bottom:3px}
.case .row.res{background:var(--accent-tint);border-top:0;border-radius:14px;padding:15px 18px;margin:8px 0}
.case .row.res dt{color:var(--accent-deep)}
.case .row.res dd{color:var(--ink);font-weight:500}

/* timeline */
.tl{display:grid;gap:12px}
.tl-row{display:grid;grid-template-columns:160px minmax(0,1fr);gap:34px;padding:24px 28px;align-items:baseline}
@media(max-width:760px){.tl-row{grid-template-columns:1fr;gap:8px;padding:22px}}
.tl-row .yr{font-size:14px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}
.tl-row h3{font-size:17.5px;margin:0 0 8px}
.tl-row p{margin:0;font-size:15px;line-height:1.58;color:var(--ink-2)}

/* principles, stack */
.principles{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin:0;padding:0;list-style:none}
.principles li{grid-column:span 2;padding:26px 26px 28px}
.principles li:nth-child(4),.principles li:nth-child(5){grid-column:span 3}
@media(max-width:920px){.principles{grid-template-columns:1fr}.principles li{grid-column:span 1!important}}
.principles h3{font-size:17.5px;margin:0 0 10px}
.principles p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.58}
.stack{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.stack{grid-template-columns:1fr}}
.stack .card{padding:26px 26px 28px}
.stack h3{font-size:15px;font-weight:700;letter-spacing:-.005em;color:var(--ink);margin:0 0 16px;padding-bottom:13px;border-bottom:1px solid var(--line)}
.stack ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.stack li{position:relative;padding-left:17px;font-size:15px;line-height:1.45;color:var(--ink-3)}
.stack li::before{content:"";position:absolute;left:0;top:.58em;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* media */
.media-grid{display:grid;grid-template-columns:1.06fr 1fr;gap:16px;align-items:start}
@media(max-width:920px){.media-grid{grid-template-columns:1fr}}
.bio,.topics,.recs-card{padding:26px 28px}
.bio p{font-size:15.5px;line-height:1.6;color:var(--ink-3)}
.bio p:last-child{margin-bottom:0}
.k{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:12px}
.talks{list-style:none;margin:0;padding:0;display:grid;gap:13px}
.talks li{position:relative;padding-left:17px;font-size:15px;line-height:1.5;color:var(--ink-3)}
.talks li::before{content:"";position:absolute;left:0;top:.6em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.media-col{display:grid;gap:16px}
.recs{list-style:none;margin:0;padding:0}
.recs li{padding:15px 0;border-top:1px solid var(--line)}
.recs li:first-child{border-top:0;padding-top:0}
.recs a{font-size:16px;font-weight:600;text-decoration:none}
.recs a:hover{color:var(--accent)}
.recs span{display:block;margin-top:4px;font-size:13.5px;color:var(--ink-2)}
.talk-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
@media(max-width:760px){.talk-grid{grid-template-columns:1fr}}
.talk{margin:0;padding:12px;overflow:hidden}
.talk img{border-radius:12px;width:100%}
.talk figcaption{margin-top:13px;padding:0 4px 4px;font-size:14px;line-height:1.5;color:var(--ink-2)}

/* final cta */
.cta{background:var(--ink);color:#fff}
.cta-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:start}
@media(max-width:880px){.cta-grid{grid-template-columns:1fr}}
.cta h2{color:#fff;max-width:18ch}
.cta p{color:#C3CDD2}
.cta .btn{background:#fff;color:var(--ink)}
.cta .btn:hover{background:var(--accent-tint)}
.cta .btn.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px #4A5A62}
.cta .btn.ghost:hover{box-shadow:inset 0 0 0 1px #fff}
.cbox+.cbox{margin-top:22px;padding-top:22px;border-top:1px solid #2B3A42}
.cbox .k{color:#8FA0A8}
.cbox a{font-size:21px;font-weight:600;letter-spacing:-.015em;text-decoration:none;border-bottom:2px solid #33434B}
.cbox a:hover{border-bottom-color:#fff}
.plinks{display:flex;flex-wrap:wrap;gap:10px 20px}
.plinks a{font-size:16px;text-decoration:none;color:#C3CDD2;border-bottom:1px solid #33434B}
.plinks a:hover{color:#fff;border-bottom-color:#fff}
.open{margin:0;padding:0;list-style:none;display:grid;gap:14px;font-size:15px;color:#C3CDD2}
.open b{display:block;color:#fff;font-size:15px;margin-bottom:2px}
.cta mark.fill{color:var(--ink)}

footer{padding:26px 0 40px;background:var(--ink);color:#8FA0A8;border-top:1px solid #2B3A42}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px}

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

/* additions */
.who.two{grid-template-columns:1fr 1fr}
@media(max-width:900px){.who.two{grid-template-columns:1fr}}
.more{font-weight:600;color:var(--accent);text-decoration:none;border-bottom:1px solid var(--accent-tint)}
.more:hover{border-bottom-color:var(--accent)}
.chip{display:inline-block;vertical-align:middle;margin-left:8px;font-size:12px;font-weight:600;letter-spacing:0;color:var(--accent-deep);background:var(--accent-tint);border-radius:999px;padding:4px 10px}
.def a{color:var(--accent)}
.prose{max-width:720px}
.prose h2{font-size:clamp(22px,2.6vw,30px);margin:48px 0 14px;max-width:none}
.prose p,.prose li{font-size:17px;line-height:1.65;color:var(--ink-3)}
.prose ul{margin:0 0 14px;padding-left:20px}
.prose li{margin-bottom:6px}
.crumb{font-size:14px;color:var(--ink-2);margin:0 0 20px}
.crumb a{color:var(--ink-2)}
.note-box{background:var(--accent-tint);border-radius:var(--radius);padding:20px 24px;margin:0 0 14px}
.note-box p{margin:0;color:var(--ink);font-size:16px}