/* SN Brain V85 — public, responsive, dark SN Insight architecture page */
:root{--snb-bg:#0d211d;--snb-bg2:#102823;--snb-panel:#15312b;--snb-panel2:#193a33;--snb-line:rgba(255,255,255,.11);--snb-text:#f4f7f1;--snb-muted:#b8c9c1;--snb-green:#2f7a61;--snb-lime:#d9eeac;--snb-gold:#c7a866;--snb-paper:#f6f7f2;--snb-ink:#142e2b}
.sn-brain-page{background:var(--snb-bg);color:var(--snb-text)}
.sn-brain-page .sn-public-header{border-bottom-color:rgba(255,255,255,.08)}
.snb-hero{padding:86px 0 72px;background:radial-gradient(circle at 84% 14%,rgba(217,238,172,.11),transparent 27%),radial-gradient(circle at 15% 8%,rgba(47,122,97,.2),transparent 25%),linear-gradient(145deg,#0c1f1b,#112b25 55%,#0b1d19);overflow:hidden}
.snb-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(430px,.95fr);gap:56px;align-items:center}
.snb-kicker{display:inline-block;font-size:11px;letter-spacing:.15em;text-transform:uppercase;font-weight:800;color:var(--snb-lime);margin-bottom:18px}
.snb-hero h1{font-size:clamp(48px,6vw,84px);line-height:.98;letter-spacing:-.06em;margin:0 0 24px;max-width:11ch;color:#fff}
.snb-hero h1 em{font-style:normal;color:var(--snb-lime)}
.snb-hero-copy>p{max-width:720px;margin:0;color:var(--snb-muted);font-size:18px;line-height:1.72}
.snb-hero .sn-actions{margin-top:28px}
.snb-hero .sn-btn{border-color:rgba(255,255,255,.18);color:#fff;background:rgba(255,255,255,.04)}
.snb-hero .sn-btn.primary{background:var(--snb-lime);border-color:var(--snb-lime);color:var(--snb-ink)}
.snb-hero-proof{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:34px}
.snb-hero-proof span{padding:15px 16px;border:1px solid var(--snb-line);border-radius:14px;background:rgba(255,255,255,.035)}
.snb-hero-proof b,.snb-hero-proof small{display:block}.snb-hero-proof b{font-size:12px;color:#fff}.snb-hero-proof small{margin-top:4px;font-size:10px;line-height:1.45;color:#9fb4aa}
.snb-core-visual{padding:20px;border:1px solid rgba(217,238,172,.16);border-radius:28px;background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));box-shadow:0 38px 90px rgba(0,0,0,.32);backdrop-filter:blur(12px)}
.snb-core-visual>div{border:1px solid var(--snb-line);border-radius:16px;padding:16px;margin-bottom:10px}.snb-core-visual>div:last-child{margin-bottom:0}
.snb-core-visual span{display:block;font-size:9px;letter-spacing:.14em;font-weight:800;color:#91a89e;margin-bottom:8px}.snb-core-visual b{display:inline-flex;margin:3px 4px 3px 0;padding:6px 9px;border-radius:8px;background:rgba(255,255,255,.06);font-size:10px;color:#d8e4de}
.snb-core-brain{padding:28px!important;text-align:center;background:linear-gradient(145deg,#d9eeac,#afcf80)!important;border-color:#d9eeac!important;color:var(--snb-ink)}
.snb-core-brain span{color:#426452}.snb-core-brain strong,.snb-core-brain small{display:block}.snb-core-brain strong{font-size:28px;letter-spacing:-.04em}.snb-core-brain small{margin-top:5px;font-size:11px;color:#365448}
.snb-core-control{background:#0a1916!important}.snb-core-control b{background:transparent!important;padding:0!important;font-size:13px!important;color:var(--snb-lime)!important}
.snb-band{border-top:1px solid var(--snb-line);border-bottom:1px solid var(--snb-line);background:#0a1a17}
.snb-band-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.snb-band-grid>div{padding:24px 22px;border-right:1px solid var(--snb-line)}.snb-band-grid>div:last-child{border-right:0}
.snb-band-grid span,.snb-band-grid strong,.snb-band-grid small{display:block}.snb-band-grid span{font-size:9px;color:var(--snb-lime);font-weight:800;letter-spacing:.12em}.snb-band-grid strong{font-size:13px;margin:6px 0 3px;color:#fff}.snb-band-grid small{font-size:10px;color:#91a69c}
.sn-brain-page .sn-section{background:var(--snb-bg);color:var(--snb-text);padding-top:80px;padding-bottom:80px}
.sn-brain-page .sn-section:nth-of-type(even){background:var(--snb-bg2)}
.snb-heading-light h2{color:#fff}.snb-heading-light p{color:var(--snb-muted)}.snb-heading-light .sn-label{color:var(--snb-lime)}
.snb-stack{display:grid;gap:12px;margin-top:30px}
.snb-stack-row{display:grid;grid-template-columns:250px minmax(0,1fr) minmax(280px,.8fr);gap:24px;align-items:center;padding:22px;border:1px solid var(--snb-line);border-radius:18px;background:rgba(255,255,255,.025)}
.snb-stack-row>div:first-child{display:flex;align-items:center;gap:12px}.snb-stack-row>div:first-child span{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:rgba(217,238,172,.08);color:var(--snb-lime);font-size:10px;font-weight:800}.snb-stack-row strong{font-size:15px;color:#fff}.snb-stack-row p{margin:0;color:var(--snb-muted);font-size:13px;line-height:1.65}.snb-tags{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.snb-tags b{font-size:9px;padding:7px 9px;border:1px solid var(--snb-line);border-radius:999px;color:#dce7e2;background:rgba(255,255,255,.035)}
.snb-stack-row.intelligence{border-color:rgba(217,238,172,.25);background:linear-gradient(90deg,rgba(217,238,172,.07),rgba(255,255,255,.02))}
.snb-cap-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:28px}
.snb-cap-grid article{padding:23px;border:1px solid var(--snb-line);border-radius:18px;background:rgba(255,255,255,.03);min-height:205px}
.snb-cap-grid article:nth-child(1),.snb-cap-grid article:nth-child(8){background:linear-gradient(145deg,rgba(217,238,172,.1),rgba(255,255,255,.025));border-color:rgba(217,238,172,.22)}
.snb-cap-grid span{display:block;font-size:9px;letter-spacing:.12em;font-weight:800;color:var(--snb-lime);margin-bottom:30px}.snb-cap-grid h3{margin:0 0 10px;color:#fff;font-size:18px;line-height:1.2}.snb-cap-grid p{margin:0;color:var(--snb-muted);font-size:12px;line-height:1.65}
.snb-flow-section{background:#091713!important}.snb-flow{display:grid;grid-template-columns:repeat(15,auto);align-items:center;gap:8px;overflow-x:auto;padding:12px 0 4px}.snb-flow>div{min-width:128px;padding:15px 13px;border:1px solid var(--snb-line);border-radius:14px;background:#102722}.snb-flow b,.snb-flow strong,.snb-flow span{display:block}.snb-flow b{font-size:9px;color:var(--snb-lime);margin-bottom:8px}.snb-flow strong{font-size:13px;color:#fff}.snb-flow span{font-size:9px;line-height:1.45;color:#91a69c;margin-top:4px}.snb-flow>i{font-style:normal;color:#5f776d;font-size:18px}
.snb-example-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}.snb-example-grid article{padding:27px;border:1px solid var(--snb-line);border-radius:20px;background:linear-gradient(145deg,rgba(255,255,255,.045),rgba(255,255,255,.018))}.snb-example-no{display:block;font-size:9px;letter-spacing:.13em;font-weight:800;color:var(--snb-lime);margin-bottom:18px}.snb-example-grid h3{font-size:25px;letter-spacing:-.03em;color:#fff;margin:0 0 10px}.snb-example-grid p{margin:0;color:var(--snb-muted);line-height:1.65}.snb-mini-flow{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:20px}.snb-mini-flow b{font-size:9px;padding:7px 9px;border-radius:8px;background:rgba(217,238,172,.08);color:#dce9e2}.snb-mini-flow i{font-style:normal;color:#6e887d}
.snb-memory-eval{background:linear-gradient(145deg,#122e28,#0b211d)!important}.snb-dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.snb-dual-grid article{padding:34px;border:1px solid var(--snb-line);border-radius:24px;background:rgba(255,255,255,.025)}.snb-dual-grid h2{font-size:34px;line-height:1.08;color:#fff;margin:9px 0 14px}.snb-dual-grid p,.snb-dual-grid li{color:var(--snb-muted)}.snb-dual-grid ul{padding-left:20px;margin:20px 0 0}.snb-dual-grid li{margin:8px 0}
.snb-final{padding:70px 0;background:var(--snb-lime);color:var(--snb-ink)}.snb-final-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center}.snb-final .snb-kicker{color:#426452}.snb-final h2{font-size:44px;line-height:1.02;letter-spacing:-.045em;margin:0 0 12px;max-width:15ch}.snb-final p{max-width:750px;color:#39554b}.snb-final .sn-actions{justify-content:flex-end}.snb-final .sn-btn{border-color:#284b40;color:var(--snb-ink)}.snb-final .sn-btn.primary{background:var(--snb-ink);border-color:var(--snb-ink);color:#fff}
@media(max-width:1050px){.snb-hero-grid{grid-template-columns:1fr}.snb-hero h1{max-width:13ch}.snb-cap-grid{grid-template-columns:1fr 1fr}.snb-stack-row{grid-template-columns:1fr}.snb-tags{justify-content:flex-start}.snb-final-grid{grid-template-columns:1fr}.snb-final .sn-actions{justify-content:flex-start}}
@media(max-width:760px){.snb-hero{padding:58px 0}.snb-hero h1{font-size:48px}.snb-hero-proof{grid-template-columns:1fr}.snb-band-grid{grid-template-columns:1fr 1fr}.snb-band-grid>div:nth-child(2){border-right:0}.snb-band-grid>div:nth-child(-n+2){border-bottom:1px solid var(--snb-line)}.snb-cap-grid,.snb-example-grid,.snb-dual-grid{grid-template-columns:1fr}.snb-core-visual{padding:12px}.snb-final h2{font-size:36px}.snb-flow{padding-bottom:14px}}
@media(max-width:480px){.snb-band-grid{grid-template-columns:1fr}.snb-band-grid>div{border-right:0;border-bottom:1px solid var(--snb-line)}.snb-band-grid>div:last-child{border-bottom:0}.snb-hero h1{font-size:42px}.snb-hero-copy>p{font-size:16px}}