:root{--ground: #0e1613;--panel: #131f1a;--ink: #e7efe8;--mute: #93a89a;--line: #26362e;--sage: #8fae93;--mist: #c9d6cd;--deep: #16261e;--honey: #e6b34a;--honey-dim: #b98a2e;--shadow: rgba(0,0,0,.75);--serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;--sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, monospace;--maxw: 1180px}:root[data-theme=light]{--ground: #eef2ec;--panel: #ffffff;--ink: #17231d;--mute: #4f6157;--line: #d6e0d6;--sage: #3f5f48;--mist: #35493c;--deep: #dbe6dc;--honey: #8a5e12;--honey-dim: #a9761a;--shadow: rgba(60,80,60,.18)}@media(prefers-color-scheme:light){:root:not([data-theme=dark]){--ground: #eef2ec;--panel: #ffffff;--ink: #17231d;--mute: #4f6157;--line: #d6e0d6;--sage: #3f5f48;--mist: #35493c;--deep: #dbe6dc;--honey: #8a5e12;--honey-dim: #a9761a;--shadow: rgba(60,80,60,.18)}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}.skip{position:absolute;left:-999px;top:8px;z-index:20;background:var(--panel);color:var(--ink);border:1px solid var(--honey);padding:8px 14px;border-radius:4px}.skip:focus{left:28px}.field{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.45;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:68px 68px;mask-image:radial-gradient(ellipse 80% 70% at 68% 16%,#000 30%,transparent 78%)}header{position:relative;z-index:2}.topbar{display:flex;gap:18px;align-items:center;padding:22px 0;flex-wrap:wrap;font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute)}.topbar b{color:var(--ink);font-weight:600;letter-spacing:.22em}.topbar a{color:var(--mute);text-decoration:none}.topbar a:hover{color:var(--ink)}.topbar .toggle,.topbar button{margin-left:auto}.toggle{background:none;border:1px solid var(--line);color:var(--mute);padding:6px 12px;border-radius:100px;cursor:pointer;font:inherit;font-size:11px;letter-spacing:.14em}.toggle:hover{color:var(--ink);border-color:var(--sage)}.toggle:focus-visible{outline:2px solid var(--honey);outline-offset:2px}.hero{position:relative;z-index:2;display:grid;grid-template-columns:.82fr 1.18fr;gap:44px;align-items:center;padding:34px 0 60px}.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--honey);margin:0 0 22px}h1{font-family:var(--serif);font-weight:400;font-size:clamp(2.6rem,5.6vw,4.4rem);line-height:1.03;letter-spacing:-.015em;text-wrap:balance;margin:0 0 24px}h1 em{font-style:italic;color:var(--sage)}.dek{font-size:1.1rem;color:var(--mist);max-width:46ch;margin:0 0 30px}.stamp{display:flex;gap:26px;flex-wrap:wrap;font-family:var(--mono);font-size:12.5px;color:var(--mute);border-top:1px solid var(--line);padding-top:22px}.stamp b{color:var(--ink);font-weight:600}.mapframe{position:relative;border:1px solid var(--line);border-radius:4px;background:linear-gradient(160deg,var(--panel),var(--ground));padding:20px;box-shadow:0 30px 80px -42px var(--shadow);overflow:hidden}.glow{position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;background:radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%),rgba(255,255,255,.09),transparent 60%)}.mapframe:hover .glow{opacity:1}.mapframe svg{width:100%;height:auto;display:block;overflow:visible;position:relative;z-index:1}.corner{position:absolute;z-index:2;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--mute)}.corner.tl{top:10px;left:14px}.corner.br{bottom:10px;right:14px}.vidtoggle{position:absolute;z-index:3;top:8px;right:12px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);background:color-mix(in srgb,var(--panel) 80%,transparent);border:1px solid var(--line);border-radius:100px;padding:5px 11px;cursor:pointer;backdrop-filter:blur(4px)}.vidtoggle:hover{color:var(--ink);border-color:var(--sage)}.vidtoggle:focus-visible{outline:2px solid var(--honey);outline-offset:2px}.maplabel{position:absolute;z-index:2;right:26px;bottom:40px;text-align:right;font-family:var(--mono);transition:opacity .2s;pointer-events:none}.maplabel.hidden{opacity:0}.maplabel .big{color:var(--honey);font-size:15px;letter-spacing:.04em}.maplabel .sm{color:var(--mute);font-size:11px;letter-spacing:.1em}.commdetail{position:absolute;z-index:2;left:26px;bottom:34px;max-width:60%;border:1px solid var(--line);background:color-mix(in srgb,var(--panel) 90%,transparent);backdrop-filter:blur(6px);border-radius:4px;padding:13px 16px;font-family:var(--mono);opacity:0;transform:translateY(6px);transition:opacity .18s,transform .18s;pointer-events:none}.commdetail.show{opacity:1;transform:none}.commdetail .dc-code{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--ink);letter-spacing:.06em}.commdetail .dc-dot{width:11px;height:11px;border-radius:3px}.commdetail .dc-name{font-family:var(--sans);font-size:.84rem;color:var(--mist);margin:7px 0 6px;line-height:1.35}.commdetail .dc-fig{font-size:12px;color:var(--sage);font-variant-numeric:tabular-nums}.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px}.chip{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);background:none;border:1px solid var(--line);border-radius:100px;padding:6px 13px;cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:.18s}.chip .sw{width:10px;height:10px;border-radius:2px}.chip:hover{color:var(--ink);border-color:var(--sage)}.chip[aria-pressed=true]{color:var(--ink);border-color:var(--honey);background:color-mix(in srgb,var(--honey) 12%,transparent)}.chip:focus-visible{outline:2px solid var(--honey);outline-offset:2px}.chiphint{font-family:var(--mono);font-size:11px;color:var(--mute);margin-top:8px}.sec-head{display:flex;align-items:baseline;gap:16px;margin:8px 0 26px}.sec-head h2{font-family:var(--serif);font-weight:400;font-size:1.9rem;margin:0;letter-spacing:-.01em}.sec-head .rule{flex:1;height:1px;background:var(--line)}.sec-head .idx{font-family:var(--mono);font-size:12px;color:var(--mute);letter-spacing:.16em}.composition{position:relative;z-index:2;margin-bottom:14px}.compbar{display:flex;height:34px;width:100%;border-radius:3px;overflow:hidden;border:1px solid var(--line)}.compbar button{display:block;height:100%;border:none;padding:0;cursor:pointer}.compbar button:focus-visible{outline:2px solid var(--honey);outline-offset:-2px}.commlist{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden;margin:14px 0 70px}.commrow{background:var(--ground);padding:13px 16px;display:flex;align-items:center;gap:12px;cursor:pointer}.commrow:focus-visible{outline:2px solid var(--honey);outline-offset:-2px}.commrow .dot{width:12px;height:12px;border-radius:3px;flex:none}.commrow .code{font-family:var(--mono);font-size:12px;color:var(--ink);width:34px}.commrow .name{font-size:.82rem;color:var(--mute);flex:1;line-height:1.3}.commrow .pct{font-family:var(--mono);font-size:12.5px;color:var(--sage);font-variant-numeric:tabular-nums}.commrow.active{background:var(--panel)}.commrow.active .name{color:var(--ink)}.constraints{position:relative;z-index:2;display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden;margin-bottom:74px}.con{background:var(--ground);padding:18px 20px}.con .n{font-family:var(--mono);font-size:1.45rem;color:var(--ink);font-variant-numeric:tabular-nums}.con .n .u{font-size:.75rem;color:var(--mute)}.con .k{font-size:.8rem;color:var(--mist);margin-top:7px}.tracks{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden;margin-bottom:20px}.track{display:block;background:var(--ground);padding:24px 22px;transition:background .25s,transform .25s;text-decoration:none;color:inherit}.track:hover{background:var(--panel);transform:translateY(-3px)}.track:hover h3{color:var(--honey)}.track h3{transition:color .2s}.track .tn{font-family:var(--mono);font-size:12px;color:var(--honey-dim);letter-spacing:.12em}.track h3{font-family:var(--serif);font-weight:400;font-size:1.35rem;margin:10px 0 8px;letter-spacing:-.01em}.track p{font-size:.9rem;color:var(--mute);margin:0 0 14px}.track .tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--sage);border:1px solid var(--line);padding:3px 9px;border-radius:100px}.taghelp{font-family:var(--mono);font-size:11px;color:var(--mute);line-height:1.9;margin-bottom:80px}.taghelp b{color:var(--sage);font-weight:600}.contract{font-family:var(--mono);font-size:12.5px;line-height:1.85;color:var(--mist);border-left:2px solid var(--honey-dim);padding-left:14px;margin-top:18px;max-width:60ch}.router{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden;margin-bottom:18px}.route{display:block;background:var(--ground);padding:22px;text-decoration:none;color:inherit;transition:background .25s,transform .25s}.route:hover{background:var(--panel);transform:translateY(-3px)}.route .rl{display:block;font-family:var(--serif);font-size:1.2rem;letter-spacing:-.01em}.route:hover .rl{color:var(--honey)}.route .rl:after{content:" →";color:var(--honey-dim)}.route .rd{display:block;font-size:.9rem;color:var(--mute);margin-top:8px}@media(max-width:880px){.router{grid-template-columns:1fr}}footer{position:relative;z-index:2;border-top:1px solid var(--line);padding:38px 0 60px;color:var(--mute)}footer .disc{font-family:var(--mono);font-size:11.5px;line-height:1.85;max-width:72ch}footer .honey{color:var(--honey)}.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.reveal.in{opacity:1;transform:none}@media(max-width:880px){.hero{grid-template-columns:1fr;gap:34px}.commlist,.tracks{grid-template-columns:1fr}.constraints{grid-template-columns:repeat(2,1fr)}.commdetail{max-width:78%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}*{animation:none!important}}