:root{color:var(--ink);background:var(--surface);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--surface);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;line-height:1.62}a{color:inherit}.container{width:min(100% - 2.5rem,74rem);margin-inline:auto}.narrow{max-width:48rem}.site-header{z-index:5;border-bottom:1px solid var(--line);background:#fffffff5;padding:1rem 0;position:relative}.header-inner{justify-content:space-between;align-items:center;gap:2rem;display:flex}.brand{letter-spacing:-.02em;align-items:center;gap:.75rem;font-weight:800;text-decoration:none;display:inline-flex}.brand-mark{background:var(--brand);border-radius:.45rem;grid-template-columns:repeat(3,1fr);align-items:end;gap:3px;width:2rem;height:2rem;padding:.35rem;display:grid}.brand-mark i{background:var(--accent);border-radius:1px;display:block}.brand-mark i:first-child{height:42%}.brand-mark i:nth-child(2){height:72%}.brand-mark i:nth-child(3){height:100%}.brand-name{white-space:nowrap}.primary-nav,.footer-nav{flex-wrap:wrap;gap:1.6rem;display:flex}.primary-nav a,.footer-nav a{color:var(--muted);font-size:.94rem;font-weight:650;text-decoration:none}.primary-nav a:hover,.footer-nav a:hover{color:var(--brand)}.skip-link{position:absolute;top:.5rem;left:.5rem;transform:translateY(-200%)}.skip-link:focus{transform:none}main{min-height:60vh}.hero{border-bottom:1px solid var(--line);background:linear-gradient(135deg,#f7fbfc 0%,#fff 58%,#eef9f7 100%);padding:6.5rem 0 5.5rem;position:relative;overflow:hidden}.hero:before{content:"";opacity:.32;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);pointer-events:none;background-size:48px 48px;position:absolute;inset:0;mask-image:linear-gradient(90deg,#000,#0000 75%)}.hero-grid{grid-template-columns:minmax(0,1.35fr) minmax(18rem,.65fr);align-items:center;gap:5rem;display:grid;position:relative}.hero h1{letter-spacing:-.065em;color:var(--brand-strong);margin:.55rem 0 1.6rem;font-size:clamp(3.2rem,7vw,6.4rem);line-height:.92}.hero h1 span{color:var(--accent)}.eyebrow{color:var(--brand);text-transform:uppercase;letter-spacing:.12em;align-items:center;gap:.5rem;margin:0 0 .75rem;font-size:.76rem;font-weight:800;display:flex}.signal-dot{background:var(--accent);width:.52rem;height:.52rem;box-shadow:0 0 0 4px var(--accent-soft);border-radius:50%;display:inline-block}.lede{color:#304454;max-width:43rem;margin:0 0 .8rem;font-size:clamp(1.2rem,2.5vw,1.55rem);font-weight:650;line-height:1.4}.hero-copy{max-width:42rem;color:var(--muted)}.hero-actions{flex-wrap:wrap;align-items:center;gap:1.4rem;margin-top:2rem;display:flex}.button{background:var(--brand);color:#fff;border-radius:.5rem;align-items:center;gap:.75rem;padding:.82rem 1.1rem;font-weight:750;text-decoration:none;display:inline-flex;box-shadow:0 8px 20px #102a431f}.button:hover{background:var(--brand-strong);transform:translateY(-1px)}.text-link,.section-link,.card-link{color:var(--brand);text-underline-offset:.22em;font-weight:750}.lab-panel{background:var(--brand-strong);color:#fff;border-radius:.8rem;padding:1.5rem;box-shadow:0 24px 60px #071a2c2e}.panel-kicker{color:#8faca9;text-transform:uppercase;letter-spacing:.08em;margin:0 0 1.2rem;font:700 .72rem/1.3 ui-monospace,SFMono-Regular,Menlo,monospace}.metric{border-top:1px solid #ffffff1f;justify-content:space-between;gap:1rem;padding:.8rem 0;font-size:.86rem;display:flex}.metric span{color:#aebdc8}.metric strong{text-align:right}.panel-status{background:#16a39421;border:1px solid #16a39459;border-radius:.4rem;align-items:center;gap:.6rem;margin-top:1rem;padding:.7rem .8rem;font-size:.78rem;font-weight:750;display:flex}.section{padding:5rem 0}.research-section{background:#fff}.section-heading{justify-content:space-between;align-items:end;gap:2rem;margin-bottom:2rem;display:flex}.section h2{color:var(--brand-strong);letter-spacing:-.035em;margin:.15rem 0;font-size:clamp(2rem,4vw,3rem);line-height:1.08}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.card{border:1px solid var(--line);background:#fff;border-radius:.7rem;flex-direction:column;min-height:17rem;padding:1.5rem;transition:all .18s;display:flex;box-shadow:0 1px 2px #102a4308}.card:hover{border-color:#b9cbd5;transform:translateY(-2px);box-shadow:0 12px 30px #102a4314}.card-featured{color:#fff;background:linear-gradient(145deg,#102a43,#153b5b);border-color:#0000}.card-featured h3,.card-featured h3 a,.card-featured .card-link{color:#fff}.card-featured p{color:#cfdae2}.card-top{justify-content:space-between;align-items:center;gap:1rem;display:flex}.card-index{color:#9aa9b5;font:700 .72rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.card h3{color:var(--brand-strong);letter-spacing:-.025em;margin:1.25rem 0 .65rem;font-size:1.5rem}.card h3 a{text-decoration:none}.card p{color:var(--muted);margin-top:0}.card-link{margin-top:auto;font-size:.9rem}.status-badge{text-transform:uppercase;letter-spacing:.06em;border-radius:999px;width:max-content;padding:.3rem .55rem;font-size:.68rem;font-weight:850;display:inline-flex}.badge-frozen{color:#c8fff6;background:#16a39433;border:1px solid #16a39473}.badge-verified{color:#08756a;background:#e1f7f3}.badge-documented{color:#385b77;background:#eaf1f6}.badge-mixed{color:#76591e;background:#fbf3dd}.principles{background:var(--surface-soft);border-block:1px solid var(--line)}.principles-grid{grid-template-columns:.8fr 1.2fr;align-items:start;gap:5rem;display:grid}.principle-copy{color:#405565;margin-top:0;font-size:1.18rem}.prose{width:min(100% - 2.5rem,52rem);margin:0 auto;padding:5rem 0}.prose h1{color:var(--brand-strong);letter-spacing:-.05em;font-size:clamp(2.4rem,5vw,4.2rem);line-height:1}.prose h2{color:var(--brand);letter-spacing:-.025em;margin-top:2.5rem}.prose p,.prose li{color:#405565}.prose a{color:#0c766c;text-underline-offset:.2em}.prose table{border-collapse:collapse;width:100%;margin:1.5rem 0;font-size:.94rem}.prose th,.prose td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:.8rem}.prose th{color:var(--brand)}.notice{background:var(--surface-soft);border-left:4px solid var(--accent);color:#304454;border-radius:.25rem;margin:1.5rem 0;padding:1rem 1.1rem}.site-footer{background:var(--brand-strong);color:#fff;padding:3rem 0 1.5rem}.footer-grid{grid-template-columns:1fr auto;align-items:start;gap:3rem;display:grid}.footer-brand{color:#fff}.footer-note{color:#9fb1bf;max-width:28rem;font-size:.9rem}.footer-nav{justify-content:flex-end}.footer-nav a{color:#c8d3db}.footer-bottom{color:#8299aa;border-top:1px solid #ffffff1f;justify-content:space-between;gap:1rem;margin-top:2rem;padding-top:1rem;display:flex}@media (width<=800px){n .prose{overflow-x:hidden}n .prose table{-webkit-overflow-scrolling:touch;font-size:.86rem;display:block;overflow-x:auto}n .prose th,.prose td{min-width:9rem;padding:.65rem}n .prose th:first-child,.prose td:first-child{min-width:7rem}.container,.prose{width:min(100% - 2rem,74rem)}.header-inner{flex-direction:column;align-items:flex-start;gap:.9rem}.primary-nav{flex-wrap:nowrap;gap:.7rem 1.1rem;width:100%;padding-bottom:.15rem;overflow-x:auto}.hero{padding:4rem 0}.hero-grid{grid-template-columns:1fr;gap:2.5rem}.hero h1{font-size:clamp(3.3rem,15vw,5rem)}.lab-panel{max-width:32rem}.cards{grid-template-columns:1fr}.card{min-height:15rem}.section{padding:3.5rem 0}.section-heading{flex-direction:column;align-items:flex-start;gap:.6rem}.principles-grid{grid-template-columns:1fr;gap:1.25rem}.footer-grid{grid-template-columns:1fr}.footer-nav{justify-content:flex-start}.footer-bottom{flex-direction:column}}:root{--brand:#102a43;--brand-strong:#071a2c;--accent:#16a394;--accent-soft:#dff7f3;--ink:#14202b;--muted:#5f6f7e;--line:#dce5eb;--surface:#fff;--surface-soft:#f4f8fa;--brand-contrast:#fff}