:root{
  --terminal:#00ff9c; --terminal-dim:#00cc7d;
  --ink:#06110d; --night:#0a0b10; --alt:#0d0f16;
  --panel:#11131c; --panel-hi:#161927;
  --paper:#f7faf8; --text:#e6e9ef;
  --dim:rgba(230,233,239,.62); --faint:rgba(230,233,239,.38);
  --line:rgba(255,255,255,.10);
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:"Geist",ui-sans-serif,system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--night);color:var(--text);font-family:var(--sans);
  -webkit-font-smoothing:antialiased;line-height:1.55}
a{color:inherit;text-decoration:none}
code{font-family:var(--mono);color:var(--terminal)}
.prompt{color:var(--terminal);font-family:var(--mono)}
.muted{color:var(--dim)}
.scanlines{position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.4;
  background:repeating-linear-gradient(to bottom,transparent 0 3px,rgba(0,0,0,.18) 3px 4px)}

/* hero */
.hero{position:relative;border-bottom:1px solid var(--line);overflow:hidden;
  background:radial-gradient(1200px 600px at 85% -10%,rgba(0,255,156,.12),transparent 60%),var(--night)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  max-width:1240px;margin:0 auto;padding:1.1rem 1.5rem}
.brand{font-family:var(--mono);font-weight:700;font-size:1.1rem;letter-spacing:.02em}
.cursor{display:inline-block;width:.55ch;height:1.05em;background:var(--terminal);
  margin-left:.15ch;vertical-align:-2px;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.nav-links{display:flex;gap:1.3rem;flex-wrap:wrap;font-family:var(--mono);font-size:.85rem;color:var(--dim)}
.nav-links a:hover{color:var(--terminal)}
.dl-all{color:var(--terminal)!important;border:1px solid rgba(0,255,156,.4);
  padding:.25rem .7rem;border-radius:2px}
.dl-all:hover{background:rgba(0,255,156,.12)}
.hero-body{max-width:1240px;margin:0 auto;padding:3.5rem 1.5rem 4rem;position:relative}
.kicker{font-family:var(--mono);font-size:.82rem;color:var(--faint);letter-spacing:.18em;text-transform:uppercase;margin:0 0 1.2rem}
h1{font-size:clamp(2.6rem,8vw,5.5rem);font-weight:800;line-height:.95;margin:0;letter-spacing:-.02em}
.lede{max-width:48ch;margin:1.6rem 0 0;font-size:1.05rem;color:var(--dim)}
.hero-mark{margin-top:2.5rem;color:var(--terminal)}
.hero-mark svg{height:96px;width:auto;filter:drop-shadow(0 0 26px rgba(0,255,156,.35))}

/* sections */
.section{max-width:1240px;margin:0 auto;padding:4.5rem 1.5rem;position:relative;z-index:2}
.section-head{border-bottom:1px solid var(--line);padding-bottom:1.3rem;margin-bottom:2.2rem}
.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--terminal);margin:0}
h2{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:700;margin:.5rem 0 .4rem;letter-spacing:-.01em}
.section-head .muted{margin:.3rem 0 0;max-width:60ch}

.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}

/* asset card */
.card{background:var(--alt);display:flex;flex-direction:column}
.preview{aspect-ratio:1.6;display:grid;place-items:center;padding:2rem;position:relative}
.preview.dark{background:var(--night)}
.preview.light{background:var(--paper)}
.preview.check{background:
  linear-gradient(45deg,#1a1c24 25%,transparent 25%),
  linear-gradient(-45deg,#1a1c24 25%,transparent 25%),
  linear-gradient(45deg,transparent 75%,#1a1c24 75%),
  linear-gradient(-45deg,transparent 75%,#1a1c24 75%);
  background-size:22px 22px;background-position:0 0,0 11px,11px -11px,-11px 0;background-color:#0f1118}
.preview img{max-width:100%;max-height:160px;object-fit:contain}
.card-meta{padding:1rem 1.1rem;border-top:1px solid var(--line)}
.card-title{font-size:.95rem;font-weight:600}
.card-use{font-size:.8rem;color:var(--faint);margin-top:.15rem;font-family:var(--mono)}
.card-actions{display:flex;gap:.5rem;padding:0 1.1rem 1.1rem;flex-wrap:wrap}
.btn{font-family:var(--mono);font-size:.78rem;padding:.4rem .7rem;border-radius:2px;cursor:pointer;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--dim);transition:.15s}
.btn:hover{border-color:rgba(0,255,156,.5);color:var(--terminal)}
.btn.primary{border-color:rgba(0,255,156,.4);color:var(--terminal);background:rgba(0,255,156,.08)}

/* colors (light card) */
.section.light{background:var(--paper);color:var(--ink);border-radius:4px}
.section.light .section-head{border-color:rgba(0,0,0,.1)}
.dark-eyebrow{color:#008a56}
.dark-muted{color:rgba(6,17,13,.6)}
.section.light .grid{background:rgba(0,0,0,.1);border-color:rgba(0,0,0,.1)}
.colors{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}
.swatch{background:var(--paper);padding:1rem;cursor:pointer;transition:.15s}
.swatch:hover{background:#eef2ef}
.swatch .chip{height:88px;border:1px solid rgba(0,0,0,.1);border-radius:3px}
.swatch .hex{font-family:var(--mono);font-size:.9rem;margin-top:.7rem;color:var(--ink)}
.swatch .cname{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(6,17,13,.45);margin-top:.2rem}

/* type */
.type-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.typecard{background:var(--alt);padding:1.6rem}
.typecard .sample{font-size:2.4rem;font-weight:800;margin-bottom:.4rem;line-height:1.1}
.typecard .sample.mono{font-family:var(--mono);font-size:2rem;font-weight:700}
.typecard .name{font-family:var(--mono);color:var(--terminal);font-size:.85rem}
.typecard .stack{font-family:var(--mono);font-size:.78rem;color:var(--dim);margin-top:.8rem;
  cursor:pointer;word-break:break-all;border:1px solid var(--line);padding:.6rem;border-radius:2px}
.typecard .stack:hover{border-color:rgba(0,255,156,.5);color:var(--terminal)}
.typecard .weights{margin-top:.9rem;color:var(--faint);font-size:.8rem}

/* rules */
.rules{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.rule{background:var(--alt);border:1px solid var(--line);border-radius:4px;padding:1.5rem}
.rule h3{margin:0 0 .9rem;font-family:var(--mono);font-size:.95rem}
.rule.do h3{color:var(--terminal)}
.rule.dont h3{color:#ff4d6a}
.rule ul{margin:0;padding-left:1.1rem;color:var(--dim);font-size:.92rem;display:grid;gap:.5rem}

/* footer */
.foot{max-width:1240px;margin:0 auto;padding:2.5rem 1.5rem;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-family:var(--mono);font-size:.85rem}
.foot a:hover{color:var(--terminal)}

/* toast */
.toast{position:fixed;bottom:1.5rem;left:50%;transform:translateX(-50%) translateY(2rem);
  background:var(--terminal);color:var(--ink);font-family:var(--mono);font-size:.85rem;font-weight:600;
  padding:.7rem 1.2rem;border-radius:3px;opacity:0;transition:.25s;pointer-events:none;z-index:50}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}