/* Light Lab · Vanishing Point Studio. Quiet instrument style, self-hosted Geist. */
@font-face{font-family:Geist;src:url(../fonts/geist.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(../fonts/geist-mono.woff2) format("woff2");font-weight:100 900;font-display:swap}
*{box-sizing:border-box}

:root{--bg:#f6f6f4;--card:#fff;--ink:#18181b;--ink-2:#52525b;--hair:#e4e4e7;--ray:#b45309;--hi:#dc2626;--nrm:#7c3aed;--ghost:#a1a1aa;--acc:#18181b;--acc-ink:#fff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#121214;--card:#1c1c1f;--ink:#f4f4f5;--ink-2:#a1a1aa;--hair:#2e2e33;--ray:#f59e0b;--hi:#f87171;--nrm:#a78bfa;--ghost:#52525b;--acc:#f4f4f5;--acc-ink:#18181b;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#121214;--card:#1c1c1f;--ink:#f4f4f5;--ink-2:#a1a1aa;--hair:#2e2e33;--ray:#f59e0b;--hi:#f87171;--nrm:#a78bfa;--ghost:#52525b;--acc:#f4f4f5;--acc-ink:#18181b;color-scheme:dark}
body{background:var(--bg);color:var(--ink);font:15px/1.5 Geist,system-ui,sans-serif}
.wrap{max-width:1120px;margin:0 auto;padding-inline:16px;padding-block:20px 48px;display:flex;flex-direction:column;gap:18px}
.caps{font:500 12px "Geist Mono",ui-monospace,monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
h1{font-size:28px;line-height:1.15;margin:0;text-wrap:balance} h2{font-size:17px;margin:0}
.lede{color:var(--ink-2);max-width:66ch;margin:0}
.grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:start}
@media (max-width:820px){.grid{grid-template-columns:minmax(0,1fr)}}
.card{background:var(--card);border:1px solid var(--hair);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:12px;min-width:0}
.ctl{display:flex;flex-direction:column;gap:6px}
.ctl .row{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.ctl output{font:500 13px "Geist Mono",monospace;color:var(--ink-2);font-variant-numeric:tabular-nums}
input[type=range]{width:100%;accent-color:var(--acc);min-height:32px}
label.tg{display:flex;justify-content:space-between;align-items:center;gap:10px;min-height:36px;cursor:pointer}
label.tg input{width:20px;height:20px;accent-color:var(--acc)}
.key{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--ink-2)}
.key span{display:flex;align-items:center;gap:8px}.key i{display:inline-block;width:22px;height:0;border-top:2px solid}
.why{color:var(--ink-2);font-size:14px;margin:0}
.btn{min-height:44px;padding:0 16px;border-radius:10px;border:1px solid var(--hair);background:var(--card);color:var(--ink);font:500 14px Geist,system-ui;cursor:pointer;display:inline-flex;align-items:center;text-decoration:none}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}@media (max-width:820px){.two{grid-template-columns:minmax(0,1fr)}}
.sk{max-width:100%;height:auto;border-radius:10px;border:1px solid var(--hair)}
ol{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px}

body{margin:0}
.lede b.hi{color:var(--hi)}
.stack{display:flex;flex-direction:column;gap:16px;min-width:0}
.btnrow{display:flex;flex-wrap:wrap;gap:8px}
.key i.ray{border-color:var(--ray)} .key i.out{border-color:var(--ray);border-top-style:dashed}
.key i.nrm{border-color:var(--nrm);border-top-style:dotted} .key i.hi{border-color:var(--hi)}
svg.view{width:100%;height:auto;display:block;touch-action:none;user-select:none}
svg#surf{cursor:ew-resize}
.grab{cursor:grab}
.jump{display:flex;gap:8px;flex-wrap:wrap}
.jump a{font-size:13.5px}
a{color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
footer{color:var(--ink-2);font-size:13px;border-top:1px solid var(--hair);padding-top:14px;display:flex;flex-direction:column;gap:6px}
footer a{color:var(--ink-2)}
section{scroll-margin-top:12px}
.vids{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}
[hidden]{display:none!important}