:root{color-scheme:dark;--bg:#111a2a;--panel:#172237;--panel-soft:#142034;--ink:#f3f1ec;--muted:#b4bece;--gold:#e5bd77;--line:#304058;--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--gold)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:5px}button{font:inherit}img,svg{max-width:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.15}h1{font-size:clamp(42px,4.7vw,66px);letter-spacing:-.055em;font-weight:720;margin-bottom:27px}h1 span{color:var(--gold)}h2{font-size:clamp(32px,3.4vw,43px);letter-spacing:-.04em;font-weight:650;margin-bottom:22px}h3{font-size:20px;font-weight:620;letter-spacing:-.02em}code{font: .86em/1.65 Consolas,"Liberation Mono",monospace}.shell{max-width:var(--max);margin:auto;padding-inline:28px}.header{display:flex;align-items:center;justify-content:space-between;min-height:96px;border-bottom:1px solid var(--line);gap:30px}.brand{font-size:24px;font-weight:730;letter-spacing:-.035em;text-decoration:none;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}.brand span{color:var(--gold);margin-left:-8px}.brand img{margin-right:4px}.header nav{display:flex;align-items:center;gap:32px;font-size:14px}.header nav a{text-decoration:none}.nav-github{padding:7px 15px;border:1px solid #59616c;border-radius:5px}.hero{padding-top:90px;padding-bottom:70px;display:grid;grid-template-columns:1.2fr 1fr;gap:46px;align-items:center}.eyebrow{color:var(--gold);font-size:11px;letter-spacing:.15em;font-weight:700;text-transform:uppercase;margin-bottom:25px;display:flex;align-items:center;gap:11px}.small-crystal{width:8px;height:13px;background:var(--gold);clip-path:polygon(50% 0,100% 43%,50% 100%,0 43%)}.lead{font-size:18px;color:var(--muted);line-height:1.65;max-width:570px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.button{padding:12px 19px;border-radius:5px;display:inline-flex;align-items:center;justify-content:space-between;gap:22px;font-size:14px;font-weight:650;text-decoration:none;min-height:48px}.button-gold{background:var(--gold);color:#152032;border:1px solid var(--gold)}.button-gold:hover{background:#f3d39a;color:#111a2a}.button-outline{border:1px solid #68717f;background:transparent}.button-outline:hover{border-color:var(--gold)}.hero-note{font-size:12px;color:var(--muted);margin:19px 0 0}.world-map{margin:0;background:var(--panel-soft);border:1px solid var(--line);border-radius:10px;overflow:hidden}.map-heading{display:flex;justify-content:space-between;gap:8px;font:9px/1.5 Consolas,monospace;letter-spacing:.07em;color:#c2cbd6;padding:18px;border-bottom:1px solid var(--line)}.map-heading span:last-child{color:#8ea0b7}.world-map>svg{display:block;width:100%;height:auto}.diagram-label{fill:#c6d1df;font:13px "Segoe UI",sans-serif}.diagram-muted{fill:#a2b1c5;font:12px "Segoe UI",sans-serif}.diagram-title{fill:#ead5b0;font:600 17px "Segoe UI",sans-serif}.world-map figcaption{padding:13px 18px;border-top:1px solid var(--line);color:#a8b5c8;font-size:11px}.world-map figcaption a{color:#e4c58e}.project-strip{display:grid;grid-template-columns:1fr 1fr 1fr 1.5fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:24px;gap:26px}.project-strip p{margin:0;font-size:13px}.project-strip p>span{display:block;font-size:9px;letter-spacing:.14em;color:#a9b8cd;margin-bottom:6px}.project-strip a{text-decoration:none}.section{padding-top:90px;padding-bottom:80px}.section-intro{display:grid;grid-template-columns:1fr 1.12fr;column-gap:80px;align-items:end}.section-intro .eyebrow{grid-column:1/-1;margin-bottom:20px}.section-intro>p:last-child{color:var(--muted);font-size:17px}.systems{display:grid;grid-template-columns:repeat(4,1fr);gap:27px;padding-top:27px}.systems article{border-top:1px solid #657087;padding-top:20px}.system-number{display:block;color:var(--gold);font:12px Consolas,monospace;margin-bottom:27px}.systems p{font-size:14px;color:var(--muted);min-height:93px}.systems a{font-size:12px;color:#e6c891}.scope-note{margin-top:42px;padding:20px 24px;background:#18263b;border-left:2px solid #ac8951;font-size:13px;color:var(--muted)}.scope-note strong{color:#f3e7d1}.start-section{padding:65px 0;background:#1a2639;border-block:1px solid var(--line)}.start-grid{display:grid;grid-template-columns:1fr 1.12fr;gap:60px;align-items:center}.start-grid p{color:#bac5d5}.start-grid .eyebrow{color:var(--gold)}.text-link{color:var(--gold);font-size:14px;font-weight:600}.terminal{border:1px solid #4c5a70;border-radius:7px;overflow:hidden;background:#0e1726;min-width:0}.terminal-header{padding:14px 19px;display:flex;align-items:center;justify-content:space-between;background:#182436;font:10px Consolas,monospace;letter-spacing:.08em;color:#bdc9d9;gap:15px;min-height:57px}.terminal-header button{border:1px solid #607088;background:transparent;color:#e7d8bd;padding:5px 9px;border-radius:4px;font-size:11px;cursor:pointer;letter-spacing:0;white-space:nowrap}.terminal pre{margin:0;padding:24px 20px;overflow:auto;font-size:13px;line-height:2.15;color:#e8d1a3}.terminal .terminal-note{font-size:11px;margin:0;padding:0 20px 20px;color:#98a9c0}.contribute{display:grid;grid-template-columns:1fr 1.12fr;gap:80px}.contribute>div>p:not(.eyebrow){color:var(--muted)}.contribution-links{border-top:1px solid var(--line)}.contribution-links>a{display:flex;align-items:start;gap:22px;border-bottom:1px solid var(--line);padding:24px 0;text-decoration:none}.contribution-links>a>span:first-child{font:11px Consolas,monospace;color:var(--gold);padding-top:5px}.contribution-links>a>span:last-child{margin-left:auto;color:var(--gold)}.contribution-links h3{font-size:18px;margin-bottom:8px}.contribution-links p{font-size:13px;color:var(--muted);margin:0}.details-section{padding-bottom:80px}.details-section h2{font-size:28px;margin-bottom:25px}.details-section details{border-top:1px solid var(--line);padding:18px 0}.details-section details:last-child{border-bottom:1px solid var(--line)}.details-section summary{cursor:pointer;font-size:16px;font-weight:550}.details-section details p{color:var(--muted);font-size:14px;max-width:850px;padding:15px 0 0 18px;margin-bottom:0}.footer{border-top:1px solid var(--line);padding-top:35px;padding-bottom:30px;display:flex;flex-wrap:wrap;gap:25px;justify-content:space-between}.footer .brand{font-size:23px}.footer p{font-size:12px;color:var(--muted);margin:10px 0 0}.footer nav{display:flex;gap:25px;align-items:start;font-size:13px;padding-top:10px}.footer .footer-legal{width:100%;font-size:11px;margin-top:0;color:#96a6bd}.skip-link{position:absolute;top:-80px;left:20px;z-index:100;background:var(--gold);color:#111a2a;padding:10px 16px}.skip-link:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1600px){.hero{padding-top:110px;padding-bottom:90px}}
@media(max-width:980px){.hero{gap:25px}.hero h1{font-size:43px}.header nav{gap:18px}.systems{grid-template-columns:repeat(2,1fr);gap:28px}.systems p{min-height:0}.section-intro,.start-grid,.contribute{column-gap:35px}.terminal pre{font-size:11px}.project-strip{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.shell{padding-inline:22px}.header{min-height:85px;gap:16px;flex-wrap:wrap;padding-block:17px}.header .brand{font-size:22px}.header nav{gap:17px;font-size:12px}.header nav>a:first-child{display:none}.header nav .nav-github{padding:5px 9px}.hero{display:block;padding-top:52px;padding-bottom:40px}.hero h1{font-size:clamp(36px,7.3vw,50px)}.lead{font-size:17px}.hero-note{line-height:1.7}.world-map{margin-top:40px;max-width:540px}.section{padding-block:55px}.section-intro,.start-grid,.contribute{display:block}.section-intro>p:last-child{font-size:16px}.systems{gap:30px 22px;padding-top:15px}.systems h3{font-size:18px}.system-number{margin-bottom:17px}.systems a{font-size:11px}.scope-note{margin-top:30px;padding:16px 19px}.start-section{padding-block:48px}.terminal{margin-top:30px}.terminal pre{font-size:12px}.contribution-links{margin-top:35px}.details-section{padding-bottom:50px}.footer nav{gap:20px}.project-strip{gap:20px;padding-block:23px}.project-strip p{font-size:12px}.project-strip p>span{font-size:8px}.eyebrow{font-size:9px}.button{padding:11px 15px;font-size:13px;gap:14px}.map-heading{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}