@font-face{font-family:PlexMono;src:url('./fonts/ibm-plex-mono-regular.woff2') format('woff2');font-display:swap}
@font-face{font-family:PlexMono;src:url('./fonts/ibm-plex-mono-semibold.woff2') format('woff2');font-weight:700;font-display:swap}
:root{
  color-scheme:dark;
  --bg:#080c10;--ink:#f5f5e8;--muted:#a1aeb2;--line:#2b3439;
  --acid:#dbff56;--cyan:#62e0d2;--lilac:#b6a6fc;--red:#ff7c5f;--amber:#ffb454;
  --mono:PlexMono,'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
  --fail:#ff5555;--pass:#55ff55;--term:#0a0e0c;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--mono);-webkit-font-smoothing:antialiased}
a{color:inherit}a:hover{color:var(--acid)}
button{font-family:inherit}
button:focus-visible,a:focus-visible{outline:3px solid var(--acid);outline-offset:4px}
::selection{background:var(--acid);color:#07110d}
em{font-style:normal;color:var(--acid)}
h1,h2,h3,p{margin-top:0}
.skip-link{position:absolute;z-index:999;top:-90px;left:12px;background:var(--acid);color:#0b1115;padding:14px;text-decoration:none}
.skip-link:focus{top:12px}
.topbar{position:sticky;top:0;z-index:40;min-height:76px;padding:0 clamp(20px,4vw,75px);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #384048;background:#090d11f2;backdrop-filter:blur(14px)}
.brand{display:inline-flex;gap:13px;align-items:center;text-decoration:none;font-weight:700;font-size:clamp(1rem,1.4vw,1.3rem);letter-spacing:-.09em}
.brand-icon{height:35px;width:35px;border:2px solid var(--ink);display:grid;place-items:center;letter-spacing:-.15em;padding-right:4px;font-size:1.2rem;transform:rotate(-5deg)}
.brand-icon span{color:var(--acid)}
.topbar nav{display:flex;align-items:center;gap:clamp(13px,2.2vw,32px);flex-wrap:wrap;justify-content:flex-end}
.topbar nav a{font-size:.68rem;text-transform:uppercase;text-decoration:none;letter-spacing:.1em;color:#c7d4d4}
.topbar nav a[aria-current=page]{color:var(--acid)}
.topbar nav .topbar-cta{border:1px solid var(--acid);color:var(--acid);padding:13px 16px}

.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:radial-gradient(ellipse 50% 60% at 85% 40%,#3a1a1640,transparent 70%),linear-gradient(135deg,#121018 0%,#080c10 72%)}
.hero:after{content:'';pointer-events:none;position:absolute;inset:0;opacity:.12;background-image:linear-gradient(#647d7729 1px,transparent 1px),linear-gradient(90deg,#647d7729 1px,transparent 1px);background-size:48px 48px}
.hero-inner{position:relative;z-index:1;padding:clamp(40px,6vw,90px) clamp(20px,4vw,75px) clamp(36px,5vw,70px);max-width:1400px}
.eyebrow{font-size:.72rem;letter-spacing:.17em;font-weight:700;color:#c3d6d1;margin:0 0 18px}
.eyebrow .live{display:inline-flex;align-items:center;gap:8px;color:var(--acid)}
.live-dot{width:7px;height:7px;border-radius:100%;background:var(--red);box-shadow:0 0 14px var(--red);animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{50%{opacity:.45}}
.hero h1{font-size:clamp(2.6rem,7vw,5.6rem);line-height:.95;letter-spacing:-.08em;margin:0 0 22px;max-width:16ch}
.hero-lead{font-size:clamp(.95rem,1.5vw,1.15rem);line-height:1.65;color:#c9d6cf;max-width:62ch;margin:0 0 28px}
.guard{border:1px solid #5a3a32;background:#1a100ecc;padding:16px 18px;font-size:.78rem;line-height:1.55;color:#e8cfc6;max-width:70ch}
.guard strong{color:var(--amber)}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{border:1px solid #3d4f48;background:#101816;padding:10px 14px;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:#b9cdc4}
.chip b{color:var(--acid);font-weight:700}

.shell{padding:clamp(36px,5vw,70px) clamp(20px,4vw,75px);max-width:1400px;margin:0 auto}
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;flex-wrap:wrap;margin-bottom:28px;border-bottom:1px solid var(--line);padding-bottom:18px}
.section-head h2{font-size:clamp(1.6rem,3.2vw,2.6rem);letter-spacing:-.06em;margin:0;line-height:1.05}
.section-head p{margin:0;color:var(--muted);font-size:.82rem;max-width:48ch;line-height:1.55}
.controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.controls button{background:#15201b;border:1px solid #3d5d50;color:#d6efdf;padding:12px 16px;cursor:pointer;font-size:.7rem;letter-spacing:.08em;font-weight:700;text-transform:uppercase}
.controls button:hover{background:#264f47;color:#fff}
.controls button.primary{background:var(--acid);border-color:var(--acid);color:#14200d}
.controls button.primary:hover{filter:brightness(1.05)}
.controls button:disabled{opacity:.45;cursor:not-allowed}

.workflow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:#355347;border:1px solid #355347;margin-bottom:34px}
.workflow article{background:#101816;padding:18px 16px;min-height:110px}
.workflow .idx{display:block;color:var(--cyan);font-size:.64rem;letter-spacing:.12em;margin-bottom:10px}
.workflow h3{font-size:.85rem;line-height:1.35;letter-spacing:-.02em;margin:0;font-weight:700}
.workflow article.is-active{background:#1c2f28;box-shadow:inset 0 0 0 2px var(--acid)}
.workflow article.is-done .idx{color:var(--acid)}

.dual{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.panel{border:1px solid #355347;background:linear-gradient(160deg,#101816,#0c1110);min-width:0;display:flex;flex-direction:column}
.panel-head{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:16px 18px;border-bottom:1px solid #2d4038}
.panel-head h3{margin:0;font-size:.95rem;letter-spacing:-.03em}
.badge{font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;padding:7px 10px;border:1px solid;font-weight:700}
.badge-fail{color:var(--fail);border-color:var(--fail);background:#2a1212}
.badge-pass{color:var(--pass);border-color:var(--pass);background:#122a16}
.term{background:var(--term);color:#b8b8b8;font-size:clamp(12px,2.8vw,14px);line-height:1.4;padding:16px 16px 20px;min-height:220px;overflow:auto;border-top:1px solid #1c2a24;flex:1}
.term-line{white-space:pre-wrap;margin:0 0 4px;opacity:.35;transition:opacity .2s}
.term-line.is-on{opacity:1}
.term-line.is-cursor::after{content:'█';color:var(--cyan);margin-left:2px;animation:blink 1s steps(1,end) infinite}
@keyframes blink{50%{opacity:0}}
.term .prompt{color:#55ffff}
.term .warn{color:#ffff55}
.term .err{color:#ff5555}
.term .ok{color:#55ff55}
.term .dim{color:#8a8a8a}
.panel-foot{padding:14px 18px;border-top:1px solid #2d4038;font-size:.74rem;line-height:1.5;color:#b7cbc2}
.panel-foot strong{color:var(--ink)}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:#355347;border:1px solid #355347;margin-top:28px}
.stats div{background:#101816;padding:18px 16px}
.stats span{display:block;font-size:.62rem;letter-spacing:.1em;color:var(--cyan);margin-bottom:8px}
.stats strong{font-size:clamp(1rem,1.6vw,1.35rem);letter-spacing:-.04em;color:var(--acid)}

.disclosure{margin-top:40px;border:1px solid #4a3d2a;background:#16120c;padding:22px clamp(16px,3vw,28px)}
.disclosure h2{font-size:1.15rem;letter-spacing:-.04em;margin:0 0 12px;color:var(--amber)}
.disclosure p{margin:0 0 10px;font-size:.82rem;line-height:1.6;color:#d7cbb6;max-width:78ch}
.disclosure ul{margin:8px 0 0;padding-left:1.2em;color:#d7cbb6;font-size:.8rem;line-height:1.55}
.sr-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;white-space:nowrap}

footer{border-top:1px solid var(--line);padding:28px clamp(20px,4vw,75px);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.72rem;color:var(--muted)}
footer a{color:var(--acid);text-decoration:none}

@media(max-width:900px){
  .workflow{grid-template-columns:1fr 1fr}
  .dual{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .workflow{grid-template-columns:1fr}
  .topbar{padding:14px 16px;align-items:flex-start;flex-direction:column;gap:12px;min-height:0}
  .hero h1{font-size:2.4rem}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .live-dot,.term-line.is-cursor::after{animation:none!important}
  .term-line{transition:none}
}

/* ---- mechanism pack ---- */
.jump{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.jump a{font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;color:#b9cdc4;border:1px solid #3d4f48;background:#101816;padding:9px 13px}
.jump a:hover{border-color:var(--acid);color:var(--acid)}
.tag{font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;padding:7px 11px;border:1px solid var(--cyan);color:var(--cyan);background:#0d1817;font-weight:700;white-space:nowrap}
.tag-fig{border-color:var(--lilac);color:var(--lilac);background:#15101f}

/* wrap board */
.wrap-inputs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:#355347;border:1px solid #355347;margin-bottom:26px}
.wrap-in{background:#101816;padding:16px 15px;display:flex;flex-direction:column;gap:6px}
.wrap-in-k{font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan)}
.wrap-in-v{font-size:clamp(1rem,1.8vw,1.4rem);letter-spacing:-.03em;color:var(--ink);word-break:break-all}
.wrap-in-hex{font-size:.72rem;color:var(--amber)}
.wrap-board{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.wrap-col{border:1px solid #355347;background:linear-gradient(160deg,#101816,#0c1110)}
.wrap-stock{border-color:#5a3030}
.wrap-patched{border-color:#2f5a3a}
.wrap-col header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:15px 18px;border-bottom:1px solid #2d4038}
.wrap-col header h3{margin:0;font-size:.9rem;letter-spacing:-.02em}
.wrap-steps{list-style:none;margin:0;padding:10px 0;counter-reset:ws}
.wrap-step{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:12px 18px;border-top:1px solid #16211c}
.wrap-step:first-child{border-top:0}
.wrap-step-k{font-size:.6rem;letter-spacing:.11em;text-transform:uppercase;color:var(--cyan);padding-top:3px}
.wrap-step-v{font-size:.82rem;line-height:1.5;color:#cdd9d1;word-break:break-word}
.wrap-step-v.mono{font-family:var(--mono);color:#d7e2db}
.wrap-step-v.warn{color:#ffd24d}
.wrap-step-v.err{color:#ff7b7b;font-weight:700}
.wrap-step-v.ok{color:#79ff8f}

/* static stderr terminals */
.term-static{min-height:auto;padding:16px 16px 18px}
.term-static .term-line{opacity:1;font-size:clamp(11px,2.4vw,13px)}

/* sha anchors */
.sha-anchors{margin-top:26px;border:1px solid #3d4f48;background:#0d1512;padding:20px clamp(16px,3vw,24px)}
.sha-anchors h3{margin:0 0 16px;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan)}
.sha-row{display:grid;grid-template-columns:90px 1fr;gap:12px;align-items:center;padding:10px 0;border-top:1px solid #1c2a24}
.sha-k{font-size:.64rem;letter-spacing:.1em;color:var(--acid);font-weight:700}
.sha-row code{font-size:clamp(10px,2.2vw,12.5px);color:#cdd9d1;word-break:break-all;background:#0a0e0c;padding:8px 10px;border:1px solid #1c2a24}
.sha-foot{margin:14px 0 0;font-size:.74rem;color:var(--muted);line-height:1.5}
.sha-foot code{color:var(--acid)}

/* call path strip */
.cp-legend{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:22px;font-size:.7rem;color:#b9cdc4}
.cp-legend span{display:inline-flex;align-items:center;gap:7px}
.dot{width:9px;height:9px;border-radius:100%;display:inline-block;flex:none}
.dot-err{background:var(--fail);box-shadow:0 0 8px var(--fail)}
.dot-warn{background:var(--amber);box-shadow:0 0 8px var(--amber)}
.dot-ok{background:var(--pass);box-shadow:0 0 8px var(--pass)}
.dot-skip{background:#3a4640}
.cp-strip{display:flex;align-items:stretch;gap:0;overflow-x:auto;padding-bottom:6px}
.cp-node{flex:1 1 0;min-width:180px;border:1px solid #355347;background:linear-gradient(160deg,#101816,#0c1110);padding:15px 15px 12px}
.cp-node-head{display:flex;align-items:baseline;gap:9px;margin-bottom:4px}
.cp-idx{font-size:.62rem;color:var(--cyan);letter-spacing:.1em}
.cp-label{font-size:.86rem;letter-spacing:-.02em}
.cp-sub{display:block;font-size:.66rem;color:var(--muted);margin-bottom:12px;word-break:break-word}
.cp-lanes{display:flex;flex-direction:column;gap:8px}
.cp-lane{display:flex;align-items:center;gap:9px;padding:8px 10px;border:1px solid #1c2a24;background:#0a0e0c;font-size:.7rem}
.cp-lane-tag{font-size:.58rem;letter-spacing:.1em;color:var(--cyan);width:40px;flex:none}
.cp-marker{color:#cdd9d1}
.cp-marker.cp-dim{color:#6f7d77}
.cp-err{border-color:#5a3030}
.cp-err .cp-marker{color:#ff7b7b;font-weight:700}
.cp-warn{border-color:#5a4a30}
.cp-warn .cp-marker{color:#ffd24d}
.cp-stop{border-color:#2f5a3a}
.cp-stop .cp-marker{color:#79ff8f;font-weight:700}
.cp-skip{opacity:.55}
.cp-arrow{align-self:center;color:var(--lilac);font-size:1.3rem;padding:0 6px;flex:none}

@media(max-width:900px){
  .wrap-inputs{grid-template-columns:1fr 1fr}
  .wrap-board{grid-template-columns:1fr}
  .cp-strip{flex-direction:column;gap:0}
  .cp-arrow{transform:rotate(90deg);padding:6px 0}
  .cp-node{min-width:0}
}
@media(max-width:560px){
  .wrap-inputs{grid-template-columns:1fr}
  .wrap-step{grid-template-columns:1fr;gap:4px}
  .sha-row{grid-template-columns:1fr}
}