/* Bearingkit site — chart paper, navy ink, a teal bearing line and a red needle for stops.
   Type: Be Vietnam Pro (full Vietnamese support) for everything; JetBrains Mono only for code and skill names. */
:root{
  --paper:#f3f6f5; --surface:#ffffff; --ink:#13202b; --muted:#55636e; --line:#d9e0e2; --line-strong:#7d8a90;
  --bearing:#0b6e69; --bearing-soft:#dff1ef; --needle:#b42318; --needle-soft:#fbe4e1; --amber:#8a5a00; --amber-soft:#f8ecd2;
  --console:#13202b; --console-ink:#e6edef; --console-dim:#8fa1ab; --console-teal:#5cc8bf; --console-red:#ff8a7a;
  --sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --radius:10px;
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#0e161c; --surface:#142029; --ink:#e6edef; --muted:#9aabb5; --line:#22313b; --line-strong:#5a6d79;
    --bearing:#4cc3b9; --bearing-soft:#123331; --needle:#ff7d6c; --needle-soft:#3a1d1a; --amber:#e8b85c; --amber-soft:#33280f;
    --console:#0a1116;
  }
  .console,pre{border:1px solid var(--line)}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:76px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16.5px/1.65 var(--sans);font-feature-settings:"kern","liga";text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
a{color:var(--bearing);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--bearing);outline-offset:3px;border-radius:4px}
code,pre{font-family:var(--mono)}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
code{font-size:.9em}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}

/* header */
header.top{position:sticky;top:0;z-index:10;background:var(--paper);background:color-mix(in srgb,var(--paper) 90%,transparent);-webkit-backdrop-filter:saturate(1.2) blur(10px);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:62px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.015em;color:var(--ink);text-decoration:none}
.brand svg{width:24px;height:24px;flex:none}
nav{display:flex;align-items:center;gap:22px}
nav a{color:var(--muted);text-decoration:none;font-size:14.5px;font-weight:500}
nav a:hover{color:var(--ink)}
nav .lang{color:var(--ink);border:1px solid var(--line-strong);border-radius:999px;padding:4px 12px}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:80px 24px 72px}
h1{text-wrap:balance;font-size:clamp(40px,6vw,68px);line-height:1.02;letter-spacing:-.035em;font-weight:700;margin:0 0 22px}
.lede{font-size:19px;line-height:1.6;color:var(--muted);margin:0 0 30px;max-width:56ch}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn{display:inline-flex;align-items:center;padding:12px 20px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid var(--line-strong);color:var(--ink);background:transparent}
.btn.primary{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.btn:hover{text-decoration:none;border-color:var(--ink)}
.fineprint{margin:18px 0 0;font-size:14px;color:var(--muted)}

/* console */
.console{background:var(--console);color:var(--console-ink);border-radius:14px;padding:20px 22px 22px;font:13.5px/1.75 var(--mono);box-shadow:0 30px 60px -36px rgba(10,20,30,.55);overflow-x:auto}
.console .row{white-space:pre-wrap}
.console .you{color:#fff;font-weight:600}
.console .you::before{content:"> ";color:var(--console-teal)}
.console .dim{color:var(--console-dim)}
.console .sk{color:var(--console-teal);white-space:nowrap}
.console .stop{color:var(--console-red)}
.console .gap{height:12px}
figcaption{margin-top:10px;font-size:13.5px;color:var(--muted)}

/* sections */
section{padding:76px 0;border-top:1px solid var(--line)}
h2{text-wrap:balance;font-size:clamp(28px,3.6vw,38px);line-height:1.12;letter-spacing:-.025em;font-weight:700;margin:0 0 12px;max-width:24ch}
h3{font-size:17px;line-height:1.35;font-weight:600;letter-spacing:-.01em;margin:0 0 6px}
.sub{font-size:17.5px;color:var(--muted);margin:0 0 36px;max-width:66ch}
.note{font-size:14.5px;color:var(--muted);margin:14px 0 0;max-width:80ch}

/* figures: a ruled list, not cards */
.figures{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink);margin:0 0 40px}
.figures div{padding:18px 20px 4px 0}
.figures b{display:block;font-size:34px;line-height:1.1;letter-spacing:-.03em;font-weight:700;font-variant-numeric:tabular-nums}
.figures span{display:block;margin-top:6px;color:var(--muted);font-size:14.5px;line-height:1.5}

/* tables */
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:15.5px}
th,td{text-align:left;padding:14px 16px 14px 0;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font-size:14px;font-weight:600;color:var(--muted);border-bottom:2px solid var(--ink)}
tbody th{font-size:15.5px;font-weight:600;color:var(--ink)}
td.us{color:var(--ink);font-weight:500}
td.us::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--bearing);margin-right:10px;transform:translateY(-1px)}
.st{display:inline-block;font-size:13px;font-weight:600;padding:3px 10px;border-radius:999px;white-space:nowrap}
.st.ok{background:var(--bearing-soft);color:var(--bearing)}
.st.wait{background:var(--amber-soft);color:var(--amber)}

/* prompts */
.prompts{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;column-gap:40px;border-top:1px solid var(--line)}
.prompts li{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding:14px 0;border-bottom:1px solid var(--line)}
.prompts q{quotes:"\201C" "\201D";font-size:16px}
.prompts code{color:var(--bearing);font-weight:600;white-space:nowrap;font-size:14px}
.pairs{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:36px}
.pairs b{display:block;font-size:26px;letter-spacing:-.02em;font-weight:700}
.pairs span{color:var(--muted);font-size:14.5px}

/* flow */
.track{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin:8px 0 40px}
.track span{font:600 14px var(--mono);padding:9px 14px;border:1px solid var(--line-strong);background:var(--surface);border-radius:999px}
.track i{width:26px;height:2px;background:var(--line-strong);display:block}
.track .stop{border-color:var(--needle);color:var(--needle);background:var(--needle-soft);margin-left:18px}
.gate{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:40px;background:var(--surface)}
.gate div{padding:24px 26px}
.gate div+div{border-left:1px solid var(--line)}
.gate .label{display:inline-block;font-weight:700;font-size:15px;margin-bottom:8px}
.gate .act .label{color:var(--bearing)}
.gate .council .label{color:var(--needle)}
.gate p{margin:0;color:var(--muted)}
.principles{display:grid;grid-template-columns:repeat(2,1fr);column-gap:48px}
.principles div{padding:18px 0;border-top:1px solid var(--line)}
.principles p{margin:0;color:var(--muted)}

/* skills */
.skills{display:grid;grid-template-columns:repeat(3,1fr);column-gap:36px;border-top:1px solid var(--line)}
.skill{padding:16px 0;border-bottom:1px solid var(--line)}
.skill code{font-weight:600;color:var(--bearing);font-size:14.5px}
.skill div{color:var(--ink);font-size:15px;margin-top:4px}
.skill small{display:block;margin-top:6px;color:var(--muted);font-size:13.5px}

/* status */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}
.col{border-top:3px solid var(--line-strong);padding-top:16px}
.col.now{border-color:var(--bearing)} .col.wip{border-color:var(--amber)} .col.next{border-color:var(--ink)}
.col h3{margin-bottom:10px}
.col ul{margin:0;padding-left:18px;color:var(--muted);font-size:15.5px}
.col li{margin:8px 0}

/* install */
pre{background:var(--console);color:var(--console-ink);border-radius:var(--radius);padding:20px 22px;overflow-x:auto;font-size:14px;line-height:1.7;margin:0}
pre .c{color:var(--console-dim)}

/* open source band */
.band{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;padding:34px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.band h2{font-size:28px;margin-bottom:8px}
.band p{margin:0;color:var(--muted)}
.band .cta{justify-content:flex-end}

footer{border-top:1px solid var(--line);padding:32px 0 52px;color:var(--muted);font-size:14.5px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
footer a{color:var(--muted)}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding:56px 24px 48px;gap:36px}
  .track{gap:8px}.track i{display:none}.track .stop{margin-left:0}
  .figures{grid-template-columns:repeat(2,1fr)}
  .prompts{grid-template-columns:1fr}
  .skills{grid-template-columns:repeat(2,1fr)}
  .cols,.pairs{grid-template-columns:1fr}
  .band{grid-template-columns:1fr}.band .cta{justify-content:flex-start}
}
@media (max-width:640px){
  body{font-size:16px}
  nav a:not(.lang){display:none}
  section{padding:56px 0}
  .gate{grid-template-columns:1fr}.gate div+div{border-left:0;border-top:1px solid var(--line)}
  .principles,.skills{grid-template-columns:1fr}
  .prompts li{flex-direction:column;gap:4px}
  .st{white-space:normal}
  nav .lang{padding:8px 14px}
}

/* story blocks: first-person prose, readable measure */
.story{max-width:68ch}
.story p{font-size:18px;line-height:1.75;margin:0 0 18px;color:var(--ink)}
.story p.muted{color:var(--muted)}
.wants{list-style:none;margin:8px 0 0;padding:0;max-width:72ch}
.wants li{padding:14px 0 14px 28px;border-top:1px solid var(--line);position:relative;font-size:17px}
.wants li::before{content:"";position:absolute;left:4px;top:24px;width:10px;height:2px;background:var(--bearing)}
.wants li b{font-weight:600}

.lede,.sub,.story p,.wants li{text-wrap:pretty}