:root{--paper:#ecebe4;--ink:#0d0d0c;--acc:#ff4b12;--mu:#5c5b55;--line:#0d0d0c;--mu2:#b9b8b0;--mu3:#8a897f;--ok:#e9ff6b;--line2:#2a2a27;--rule:#c9c7bd;--hi:#fff;--panel:var(--ink);--ptx:var(--paper);--onacc:var(--ink);--serif:"Instrument Serif",Georgia,serif;--sans:"Space Grotesk",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,monospace}
[data-theme=ocean]{--paper:#eef3f1;--ink:#0f3b40;--acc:#ff6f59;--mu:#4d6466;--line:#0f3b40;--mu2:#b9d0cf;--mu3:#7fa3a3;--ok:#ffd3a8;--line2:#1d5157;--rule:#c4d4d1;--hi:#fff}
[data-theme=ocean][data-mode=dark]{--paper:#071a1d;--ink:#e6efed;--acc:#ff6f59;--mu:#93abaa;--line:#2a4c50;--mu2:#a9c2c0;--mu3:#7a9897;--ok:#ffd3a8;--line2:#1f3d41;--rule:#1d3a3e;--hi:#0c2428;--panel:#0c2a2e;--ptx:#e6efed;--onacc:#071a1d;color-scheme:dark}
:root{--panel:var(--ink);--ptx:var(--paper);--onacc:var(--ink);--mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{overflow-x:clip}
body{font-family:var(--mono);font-size:15.5px;line-height:1.65;background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;padding-bottom:34px}
::selection{background:var(--acc);color:var(--onacc)}
a{color:inherit}
.c{color:var(--mu)}.k{color:var(--acc)}.s{color:var(--ink);font-weight:500}.dim{color:var(--mu)}
.wrap{max-width:1120px;margin:0 auto;padding:0 clamp(16px,4vw,40px)}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:var(--acc);color:var(--onacc);padding:8px;z-index:100}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
/* top bar */
.top{position:sticky;top:0;z-index:30;background:var(--paper);border-bottom:1px solid var(--rule)}
.top .wrap{display:flex;align-items:center;gap:18px;height:52px}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;text-decoration:none;font-size:15px}
.logo b{display:inline-block;width:9px;height:17px;background:var(--acc)}
.top .links{display:flex;gap:4px;margin-left:auto;align-items:center}.top .keys{display:flex;gap:8px;align-items:center}
.top .links a.t{text-decoration:none;font-size:13.5px;padding:6px 10px;color:var(--mu)}
.top .links a.t:hover,.top .links a.t[aria-current]{color:var(--ink)}
.top .links a.t[aria-current]::before{content:"> ";color:var(--acc)}
/* keycaps */
.key{display:inline-flex;align-items:center;gap:10px;font:inherit;font-size:14px;font-weight:500;text-decoration:none;cursor:pointer;color:var(--ink);background:var(--hi);border:1px solid var(--rule);border-bottom-width:3px;border-radius:6px;padding:9px 14px;line-height:1.2;transition:transform .08s,border-color .15s;white-space:nowrap}
.key:hover{border-color:var(--acc)}.key:active{transform:translateY(2px);border-bottom-width:1px}
.key.hot{background:var(--acc);color:var(--onacc);border-color:var(--acc);border-bottom-color:color-mix(in srgb,var(--acc) 60%,#000)}
.key kbd{font:inherit;font-size:12px;opacity:.75}
.key.sm{padding:6px 10px;font-size:13px}
/* editor window */
.win{border:1px solid var(--rule);border-radius:10px;overflow:hidden;background:var(--paper)}
.tabs{display:flex;align-items:center;gap:0;border-bottom:1px solid var(--rule);font-size:13px;color:var(--mu);overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs .dots{display:flex;gap:6px;padding:0 14px}.tabs .dots i{width:10px;height:10px;border-radius:50%;background:var(--rule)}.tabs .dots i:first-child{background:var(--acc)}
.tabs span{padding:9px 14px;border-left:1px solid var(--rule);white-space:nowrap}
.tabs span.on{color:var(--ink);background:var(--hi);box-shadow:inset 0 2px 0 var(--acc)}
.code{position:relative;counter-reset:ln;padding:18px clamp(14px,3vw,28px) 20px 64px}
.code::before{content:"";position:absolute;left:48px;top:0;bottom:0;border-left:1px solid var(--rule)}
.ln{display:block;counter-increment:ln;position:relative;min-height:1.65em}
.ln::before{content:counter(ln);position:absolute;left:-64px;width:36px;text-align:right;color:var(--mu);opacity:.55;font-size:13px;font-weight:400;letter-spacing:0;line-height:inherit;top:0}
h1.ln::before{top:.35em}
.ln.blank{min-height:1.65em}
/* hero */
.hero{padding:clamp(28px,6vw,72px) 0 clamp(28px,5vw,56px)}
.hero .grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
h1.type{font-size:clamp(2.1rem,5.2vw,4.1rem);line-height:1.08;letter-spacing:-.035em;font-weight:700;margin:6px 0 18px;min-height:2.2em}
h1.type em{font-style:normal;color:var(--acc)}
.lead{font-size:clamp(15.5px,1.4vw,17.5px);max-width:52ch;color:var(--ink)}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cur{display:inline-block;width:.55em;height:1em;background:var(--acc);vertical-align:-.12em;margin-left:2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.term{background:var(--panel);color:var(--ptx);border-radius:10px;display:flex;flex-direction:column;overflow:hidden;min-height:360px}
.term .bar{display:flex;justify-content:space-between;padding:10px 14px;font-size:12.5px;color:var(--mu3);border-bottom:1px solid var(--line2)}
.term pre{font:inherit;font-size:14px;line-height:1.75;padding:16px;white-space:pre-wrap;word-break:break-word;flex:1}
.term .p{color:var(--acc)}.term .ok{color:var(--ok)}.term .m{color:var(--mu3)}
/* marquee */
.marquee{background:var(--acc);color:var(--onacc);overflow:hidden;white-space:nowrap;border-block:1px solid var(--acc);padding:14px 0}
.marquee .track{display:inline-flex;animation:mq 40s linear infinite}
.marquee span{font-size:clamp(1.05rem,2vw,1.4rem);font-weight:700;padding:0 .9em}
.marquee span::before{content:"--";opacity:.55;margin-right:.35em;font-weight:400}
@keyframes mq{to{transform:translateX(-50%)}}
.marquee:hover .track{animation-play-state:paused}
/* file sections */
.file{padding-top:clamp(40px,7vw,88px)}
.fh{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 16px;margin-bottom:18px}
.fh .path{font-size:13.5px;color:var(--acc)}
.fh h2{font-size:clamp(1.45rem,3vw,2.2rem);letter-spacing:-.03em;line-height:1.15;font-weight:700;width:100%}
.note{color:var(--mu);font-size:14px}
.list{list-style:none;border-top:1px solid var(--rule)}
.list li{display:grid;grid-template-columns:44px minmax(180px,1fr) 2fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--rule);align-items:baseline;transition:background .2s}
.list li:hover{background:var(--hi)}
.list .n{color:var(--acc);font-size:13px;padding-left:4px}
.list h3{font-size:17px;font-weight:700}
.list p{color:var(--mu)}
.list a{text-decoration-color:var(--acc);text-underline-offset:4px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.steps>div{border:1px solid var(--rule);border-radius:8px;padding:18px;background:var(--hi)}
.steps b{display:block;font-size:16px;margin-bottom:6px}.steps b .k{margin-right:6px}
.steps p{color:var(--mu)}
/* founder */
.founder{display:grid;grid-template-columns:200px 1fr;gap:28px}
.avatar{aspect-ratio:1;border:1px solid var(--rule);border-radius:8px;background:var(--panel);color:var(--ptx);display:grid;place-items:center;position:relative;font-size:3.4rem;font-weight:700;letter-spacing:-.06em}
.avatar small{position:absolute;bottom:10px;left:12px;font-size:11px;color:var(--mu3);letter-spacing:0;font-weight:400}
.quote{font-size:clamp(1.25rem,2.4vw,1.75rem);line-height:1.35;letter-spacing:-.02em;font-weight:500;margin-bottom:18px}
.quote .k{font-weight:700}
.prose p{margin-bottom:14px;max-width:68ch}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;align-items:center}
.chips .lab{color:var(--mu);font-size:13px;margin-right:6px}
.chips i{font-style:normal;font-size:13px;border:1px solid var(--rule);border-radius:4px;padding:3px 8px}
/* offer + form */
.offer{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}
.offer li{border:1px solid var(--rule);border-radius:8px;padding:18px;background:var(--hi)}
.offer li b{display:block;margin-bottom:6px}.offer li b .k{margin-right:6px}
.offer li span{color:var(--mu)}
.cgrid{display:grid;grid-template-columns:1.5fr 1fr;gap:28px}
.cform{display:grid;grid-template-columns:1fr 1fr;gap:14px}.cform .full{grid-column:1/-1}
.cform label{display:grid;gap:6px;font-size:14px;color:var(--mu)}
.cform label::before{content:attr(data-flag);color:var(--acc)}
.cform input,.cform textarea{font:inherit;font-size:16px;color:var(--ink);background:var(--hi);border:1px solid var(--rule);border-radius:6px;padding:11px 12px;width:100%}
.cform input:focus,.cform textarea:focus{outline:2px solid var(--acc);outline-offset:-1px;border-color:transparent}
.cform .row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cinfo{border-left:1px solid var(--rule);padding-left:24px;display:grid;gap:4px;align-content:start}
.cinfo .c{margin-top:12px}.cinfo .c:first-child{margin-top:0}
.cinfo a{word-break:break-word}
/* page head */
.ph{padding-top:clamp(32px,6vw,72px);padding-bottom:8px}
.ph h1{font-size:clamp(2rem,5vw,3.6rem);line-height:1.08;letter-spacing:-.035em;font-weight:700;margin:8px 0 16px}
.ph h1 em{font-style:normal;color:var(--acc)}
/* faq */
details{border-bottom:1px solid var(--rule)}details:first-of-type{border-top:1px solid var(--rule)}
summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:500;display:flex;gap:10px}
summary::-webkit-details-marker{display:none}
summary::before{content:"+";color:var(--acc);width:1ch}details[open] summary::before{content:"-"}
details p{color:var(--mu);padding:0 0 18px 2ch;max-width:70ch}
.clock{font-size:clamp(3.4rem,12vw,8rem);font-weight:700;letter-spacing:-.05em;line-height:1;color:var(--acc)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:20px}
.olist{list-style:none;counter-reset:o}
.olist li{counter-increment:o;display:grid;grid-template-columns:3ch 1fr;gap:10px;padding:9px 0;border-bottom:1px solid var(--rule)}
.olist li::before{content:counter(o,decimal-leading-zero);color:var(--acc);font-size:13px;padding-top:2px}
/* use cases */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 20px}
.filters button{font:inherit;font-size:13.5px;cursor:pointer;color:var(--ink);background:var(--hi);border:1px solid var(--rule);border-bottom-width:3px;border-radius:6px;padding:6px 11px}
.filters button[aria-pressed=true]{background:var(--acc);color:var(--onacc);border-color:var(--acc)}
.filters sup{font-size:11px;margin-left:3px;opacity:.75}
.ucgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.uc{border:1px solid var(--rule);border-radius:8px;background:var(--hi);padding:16px 18px;display:flex;flex-direction:column;gap:10px}
.uc[hidden]{display:none}
.uc .top2{display:flex;justify-content:space-between;font-size:12.5px}.uc .top2 b{color:var(--acc);font-weight:500}
.uc h3{font-size:17px}
.uc dt{font-size:12.5px;color:var(--acc)}.uc dt::before{content:"# ";}
.uc dd{font-size:15px;color:var(--mu);margin-bottom:6px}
.uc dd.tools{color:var(--ink);font-size:14px}
.sponsor{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;border:1px dashed var(--acc);border-radius:8px;padding:20px 22px;margin-top:28px}
/* footer */
footer{margin-top:clamp(56px,9vw,110px);border-top:1px solid var(--rule);padding:28px 0 20px;color:var(--mu);font-size:14px}
footer .wrap>div:first-child{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between}
footer a{text-decoration:none}footer a:hover{color:var(--acc)}
footer .word{font-size:clamp(3rem,15vw,12rem);font-weight:700;letter-spacing:-.07em;line-height:.9;color:var(--ink);margin-top:28px;white-space:nowrap;overflow:hidden}
footer .word .cur{width:.5em;height:.78em;vertical-align:0}
/* status line */
.status{position:fixed;left:0;right:0;bottom:0;z-index:40;height:30px;display:flex;align-items:stretch;font-size:12.5px;background:var(--panel);color:var(--ptx)}
.status .mode{background:var(--acc);color:var(--onacc);font-weight:700;padding:0 12px;display:flex;align-items:center;letter-spacing:.04em}
.status .path,.status .pos,.status .ft{display:flex;align-items:center;padding:0 12px;white-space:nowrap}
.status .path{flex:1;overflow:hidden;text-overflow:ellipsis;min-width:0}
.status .ft{color:var(--mu3)}
.status .pos{border-left:1px solid var(--line2)}
.cmd{position:fixed;left:0;right:0;bottom:30px;z-index:41;background:var(--paper);border-top:1px solid var(--rule);padding:6px 16px;font-size:14px;display:none}
.cmd.on{display:block}
/* responsive */
@media(max-width:1000px){.hero .grid{grid-template-columns:1fr}.ucgrid{grid-template-columns:1fr 1fr}.term{min-height:300px}}
@media(max-width:780px){.steps,.offer{grid-template-columns:1fr}.cgrid,.two{grid-template-columns:1fr}.cinfo{border-left:0;padding-left:0;border-top:1px solid var(--rule);padding-top:16px}.founder{grid-template-columns:1fr}.avatar{width:140px;font-size:2.6rem}.list li{grid-template-columns:36px 1fr}.list li p{grid-column:2}}
@media(max-width:620px){.ucgrid{grid-template-columns:1fr}.cform{grid-template-columns:1fr}.top .wrap{flex-wrap:wrap;height:auto;padding-top:10px;gap:10px}.top .keys{margin-left:auto}.top .links{order:3;width:100%;margin:0 -6px;overflow-x:auto;scrollbar-width:none;border-top:1px solid var(--rule);padding:4px 0}.top .links::-webkit-scrollbar{display:none}.top .links a.t{white-space:nowrap;padding:8px 6px}.status .ft{display:none}.code{padding-left:46px;padding-right:14px}.code::before{left:34px}.ln::before{left:-46px;width:26px;font-size:12px}}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}
.cform label{grid-template-columns:auto 1fr;column-gap:10px;align-items:baseline}
.cform label input,.cform label textarea{grid-column:1/-1}
@media(max-width:620px){.key{white-space:normal;text-align:left}.cform .row .key{width:100%;justify-content:space-between}.top .links{margin:0}}
.clock .cur{width:.12em;height:.8em;vertical-align:0;margin-left:.06em}
.tabs span.dots{border-left:0;padding:0 14px}
@media(max-width:480px){.top .keys .key.sm{padding:6px 8px;font-size:12.5px}}
.top .links a.t.cvm{display:none}
@media(max-width:620px){.top .keys .key.cv{display:none}.top .links a.t.cvm{display:inline;margin-left:auto;color:var(--acc)}}
@media(max-width:620px){.top .links a.t{padding:8px 4px;font-size:13px}}
@media(max-width:620px){.top .links{gap:0}.top .links a.t{padding:8px 4px;font-size:12.5px}}