/* QSeq — Sustainable Identity on Every Thing
   Copyright (c) 2026 Meerv Inc.  Required Notice: https://qseq.app
   Licensed under the PolyForm Noncommercial License 1.0.0 — noncommercial use
   only; reuse requires attribution to Meerv Inc. See the repository LICENSE.
   https://polyformproject.org/licenses/noncommercial/1.0.0/ */

:root{
  --bg:#0b0d10; --panel:#13171c; --panel2:#171c22; --line:#222a32;
  --ink:#e8edf2; --muted:#8a96a3; --accent:#7cf6c8; --accent2:#5ea0ff;
  --err:#ff6b6b; --radius:14px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.1;letter-spacing:-0.02em}
.small{font-size:.82rem}.muted{color:var(--muted)}

.nav{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  padding:14px 28px;background:rgba(11,13,16,.72);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em}
.logo{width:22px;height:22px;border-radius:6px;background:
  conic-gradient(from 0deg,var(--accent),var(--accent2),var(--accent));
  -webkit-mask:repeating-linear-gradient(90deg,#000 0 3px,transparent 3px 5px);}
.nav nav{display:flex;gap:22px;align-items:center;font-size:.92rem;color:var(--muted)}
.nav nav a:hover{color:var(--ink)}
.nav .ghost{border:1px solid var(--line);padding:6px 12px;border-radius:8px;color:var(--ink)}

.hero{max-width:980px;margin:0 auto;padding:86px 24px 54px;text-align:center}
.kicker{font-family:var(--mono);color:var(--accent);text-transform:uppercase;letter-spacing:.25em;font-size:.72rem;margin:0 0 18px}
.hero h1{font-size:clamp(2.2rem,6vw,4rem);margin:0 0 18px;font-weight:800}
.hero h1 span{background:linear-gradient(100deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:1.12rem;color:#c4cdd6;max-width:720px;margin:0 auto 28px}
.cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:14px}

.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--panel);
  color:var(--ink);padding:11px 18px;border-radius:10px;font-size:.94rem;cursor:pointer;transition:.15s;font-family:var(--sans)}
.btn:hover{border-color:#36424d;transform:translateY(-1px)}
.btn.primary{background:linear-gradient(100deg,var(--accent),#67e6b4);color:#03130d;border:none;font-weight:600}
.btn.primary:hover{filter:brightness(1.05)}

.generator{display:grid;grid-template-columns:340px minmax(280px,1fr) 460px;gap:22px;width:100%;margin:0;padding:30px 28px 70px}
.log h2{margin:0 0 10px;font-size:1.15rem}
.loglist{font-family:var(--mono);font-size:.74rem;line-height:1.5;max-height:640px;overflow-y:auto;overflow-x:hidden;
  border:1px solid var(--line);border-radius:8px;padding:10px;background:var(--panel2)}
.loglist .row{display:flex;gap:8px;padding:3px 0;white-space:normal;word-break:break-all;align-items:flex-start}
.loglist .row .n{color:var(--muted);user-select:none;flex:none}
.loglist .row a{color:var(--accent);text-decoration:none}
.loglist .row a:hover{text-decoration:underline}
.loglist .empty{color:var(--muted)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.inputs h2,.preview h2{margin:0 0 16px;font-size:1.15rem}
.inputs label{display:block;font-size:.78rem;color:var(--muted);margin-bottom:12px;text-transform:uppercase;letter-spacing:.04em}
.inputs input,.inputs select{width:100%;margin-top:5px;background:var(--panel2);border:1px solid var(--line);
  color:var(--ink);border-radius:9px;padding:9px 11px;font-size:.92rem;font-family:var(--mono)}
.inputs input:focus,.inputs select:focus{outline:none;border-color:var(--accent2)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.serial-block{border-top:1px solid var(--line);margin-top:6px;padding-top:14px}
.serial-block h3,h3{font-size:.95rem;margin:0 0 10px}
.downloads{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.err{color:var(--err);font-family:var(--mono);font-size:.82rem;min-height:1em;margin:10px 0 0}

.preview{display:flex;flex-direction:column}
.stage{flex:1;min-height:420px;display:flex;align-items:center;justify-content:center;background:
  radial-gradient(circle at 50% 40%,#1b222a,#0e1216);border-radius:12px;padding:24px;overflow:auto}
.stage .sheet{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-content:flex-start}
.stage .cell{background:#fff;border-radius:6px;padding:10px;display:flex;flex-direction:column;align-items:center}
.stage .cap{font-family:var(--mono);font-size:11px;color:#111;margin-top:6px}
.stage .cap b{font-weight:800}
.stage canvas,.stage svg{display:block}
.card{background:#fff;border-radius:10px;padding:18px;display:inline-flex;flex-direction:column;align-items:center}
.readout{margin-top:16px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.readout .k{font-family:var(--mono);font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.readout .v{font-size:1.05rem;font-weight:600;margin-top:3px}
.readout .full{grid-column:1/-1;font-family:var(--mono);font-size:.82rem;color:var(--muted)}
.readout .warn{color:#ffd479}.readout .ok{color:var(--accent)}.readout .bad{color:var(--err)}
.hint{font-size:.78rem;color:var(--muted);text-transform:none;letter-spacing:0;margin:0 0 12px;line-height:1.45}
.hint code{font-family:var(--mono);color:var(--accent);font-size:.92em}

.mission,.about{max-width:920px;margin:0 auto;padding:60px 24px;border-top:1px solid var(--line)}
.mission h2,.about h2{font-size:1.8rem;margin:0 0 18px}
.mission p,.about p{color:#c4cdd6;margin:0 0 14px}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.pillars div{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.pillars h3{color:var(--accent);margin:0 0 8px}
.pillars p{font-size:.9rem;margin:0}
.register{counter-reset:none;color:#c4cdd6;padding-left:20px}
.register li{margin:8px 0}
.register b{color:var(--ink)}

footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;max-width:1180px;margin:0 auto;
  padding:28px 24px;border-top:1px solid var(--line);color:var(--muted);font-family:var(--mono);font-size:.8rem}

@media(max-width:1200px){
  .generator{grid-template-columns:340px minmax(0,1fr)}
  .log{grid-column:1/-1}
  .loglist{max-height:260px}
}
@media(max-width:900px){
  .generator{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr}
  .readout{grid-template-columns:1fr 1fr}
  .nav nav a:not(.ghost){display:none}
}
[hidden]{display:none!important}