/* 2026 Biological Executive Intelligence Platform layer */
:root{--platinum:#d7dbe2;--obsidian:#080d16;--amethyst:#755ba6;--sage:#6c8f7b;--gold:#b8924d;--max-copy:72ch}
.platform-nav{backdrop-filter:blur(20px);background:color-mix(in srgb,var(--page-bg) 82%,transparent);border-bottom:1px solid var(--surface-line)}
.platform-nav .nav-links{overflow-x:auto;scrollbar-width:none}.platform-nav .nav-links::-webkit-scrollbar{display:none}.platform-nav .nav-links a{white-space:nowrap}
.commercial-hero{position:relative;isolation:isolate}.commercial-hero:after{content:"";position:absolute;inset:12% 0 auto auto;width:min(44vw,620px);height:min(44vw,620px);border-radius:50%;background:radial-gradient(circle,rgba(117,91,166,.14),transparent 68%);filter:blur(6px);z-index:-1;animation:breatheField 9s ease-in-out infinite}
@keyframes breatheField{50%{transform:scale(1.07);opacity:.72}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.disclaimer,.copyright-note{font-size:.78rem;color:var(--text-soft)}
.commercial-grid .card{border-top:3px solid color-mix(in srgb,var(--amethyst) 55%,transparent)}
.model-section{padding-top:0}.kinetic-model{border:1px solid var(--surface-line);border-radius:28px;background:var(--surface);padding:clamp(18px,3vw,34px);box-shadow:0 22px 80px rgba(12,17,27,.08);overflow:hidden}.model-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.model-canvas{width:100%;height:260px;margin-top:20px}.model-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.model-controls label{display:grid;gap:6px;font-size:.78rem}.model-score{font:600 clamp(2.4rem,6vw,5rem)/1 'Playfair Display',serif}.model-note{max-width:var(--max-copy)}
.numbered{counter-reset:item;list-style:none;padding:0}.numbered li{counter-increment:item;display:grid;grid-template-columns:36px 1fr;gap:12px;margin:14px 0}.numbered li:before{content:counter(item,decimal-leading-zero);font-weight:700;color:var(--amethyst)}
.router-form,.mandate-form{max-width:920px;margin:auto}.field,label{display:grid;gap:7px}.field input,.field select,.field textarea,label input,label select,label textarea{width:100%;min-height:48px;border-radius:14px;border:1px solid var(--surface-line);padding:12px;background:var(--surface-strong,#fff);color:var(--text)}textarea{min-height:130px}.consent{display:flex;grid-template-columns:auto 1fr;align-items:flex-start}.consent input{width:auto;min-height:auto;margin-top:4px}.inline-form{display:flex;gap:10px;align-items:center}.inline-form input{min-width:min(360px,60vw)}
.book-hero-grid,.book-model-grid{display:grid;grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);gap:clamp(28px,6vw,84px);align-items:center}.book-cover img{border-radius:3px;box-shadow:0 30px 90px rgba(8,13,22,.22)}.book-model-grid img{border-radius:18px}.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:54px;align-items:start}.book-reading{font-family:'Playfair Display',serif;font-size:clamp(1.05rem,1.5vw,1.25rem);line-height:1.9;max-width:780px}.book-reading p{margin:0 0 1.4em}.book-reading h2{font-family:'DM Sans',sans-serif;font-size:clamp(1.55rem,3vw,2.6rem);margin:2.2em 0 .8em}.reading-rail{position:sticky;top:100px}.reading-rail .card{display:grid;gap:12px}
.knowledge-graph-live{min-height:520px;border-radius:28px;background:radial-gradient(circle at 50% 45%,rgba(117,91,166,.13),transparent 36%),var(--surface);border:1px solid var(--surface-line);overflow:hidden}.knowledge-fallback{margin-top:30px}.knowledge-fallback dl{display:grid;grid-template-columns:minmax(180px,.4fr) 1fr;gap:12px 24px}.knowledge-fallback dt{font-weight:700}.knowledge-fallback dd{margin:0;color:var(--text-soft)}
.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 70% 20%,rgba(117,91,166,.18),transparent 36%),var(--page-bg)}.auth-card{width:min(500px,100%);display:grid;gap:14px}.workspace-nav{display:flex;gap:22px;align-items:center;padding:18px 5vw;border-bottom:1px solid var(--surface-line)}.workspace-nav strong{margin-right:auto}.workspace-shell{width:min(1180px,calc(100% - 32px));margin:auto;padding:60px 0}.workspace-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.workspace-grid .card{display:grid;gap:10px}
.dynamic-proof{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}.dynamic-proof div{padding:14px;border:1px solid var(--surface-line);background:var(--surface);border-radius:16px}.dynamic-proof strong{display:block;font-family:'Playfair Display',serif;font-size:1.5rem}
.intent-banner{padding:10px 0;background:var(--obsidian);color:white;font-size:.78rem}.intent-banner .container{display:flex;justify-content:space-between;gap:14px;align-items:center}.intent-banner a{color:white}
@media(max-width:1120px){.platform-nav .nav-links{display:none}.dynamic-proof{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.book-hero-grid,.book-model-grid,.reading-layout,.workspace-grid{grid-template-columns:1fr}.reading-rail{position:static}.model-controls{grid-template-columns:1fr}.model-canvas{height:220px}.inline-form{display:grid;width:100%}.inline-form input{min-width:0;width:100%}.knowledge-graph-live{display:none}.knowledge-fallback dl{grid-template-columns:1fr}.dynamic-proof{grid-template-columns:repeat(2,1fr)}.hero-actions{display:grid}.hero-actions .btn{width:100%}}
@media(prefers-reduced-motion:reduce){.commercial-hero:after{animation:none}}
@media(max-width:1120px){
  .nav.open .nav-links{display:flex!important;position:absolute;top:100%;left:0;right:0;z-index:1000;flex-direction:column;align-items:stretch;gap:4px;padding:22px;background:var(--page-bg);border-bottom:1px solid var(--surface-line);max-height:calc(100vh - 76px);overflow:auto}
  .nav.open .nav-links a{padding:12px 6px;white-space:normal}
}