/* ============================================================
   NanoParse — Litmus-first site prototype
   Design system: Swiss Monochrome (tokens identical to
   worker/worker/src/pages.ts). Do not alter values.
   ============================================================ */

:root{
  --bg:#0A1222;
  --bg-alt:#0E192E;
  --text:#F2F0EF;
  --muted:#8895A9;
  --accent:#22D3EE;
  --accent-dim:#0BB3CC;
  --border:rgba(34,211,238,0.1);
  --radius:4px;
  --nav-height:78px;
  --mono:'SF Mono','JetBrains Mono',ui-monospace,monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-height) + 20px)}
body{
  font-family:'Hiragino Sans','Hiragino Kaku Gothic ProN',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg);color:var(--text);line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;max-width:100vw;
  padding-top:var(--nav-height);
}
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.6;
  background-image:linear-gradient(rgba(34,211,238,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(34,211,238,.06) 1px,transparent 1px);
  background-size:60px 60px;
}
nav,header,section,main,footer{position:relative;z-index:1}
a{color:var(--accent);text-decoration:none}
.wrap{max-width:940px;margin:0 auto;padding:0 36px}
.mono{font-family:var(--mono)}
.cyan{color:var(--accent)}

/* ---------- nav ---------- */
nav{
  position:fixed;top:0;left:0;right:0;height:var(--nav-height);
  background:rgba(10,18,34,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);z-index:100;
  display:flex;align-items:center;
}
.nav-inner{max-width:940px;width:100%;margin:0 auto;padding:0 36px;
  display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav-brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.nav-brand svg{width:30px;height:30px;flex:none;display:block}
.nav-brand .brand-name{font-size:1.3rem;font-weight:800;letter-spacing:-.8px;color:var(--text)}
.nav-links{display:flex;gap:18px;list-style:none;align-items:center}
.nav-links a{color:var(--muted);font-size:.88rem;font-weight:600;transition:color .15s;white-space:nowrap}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--accent)}
.nav-cta{
  color:var(--accent)!important;border:1px solid var(--border);
  padding:7px 15px;border-radius:var(--radius);transition:border-color .15s
}
.nav-cta:hover{border-color:var(--accent)}
@media(max-width:640px){
  .nav-links li.hide-sm{display:none}
  .nav-links{gap:16px}
}

/* ---------- hero ---------- */
.hero{text-align:center;padding:64px 36px 56px;max-width:940px;margin:0 auto}
.badge{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--accent);border:1px solid var(--border);
  border-radius:100px;padding:5px 14px;margin-bottom:26px
}
h1{font-size:clamp(2.5rem,5.6vw,3.9rem);font-weight:800;letter-spacing:-1.5px;line-height:1.08;margin-bottom:22px}
.hero-sub{font-size:1.08rem;color:var(--muted);max-width:680px;margin:0 auto 32px;line-height:1.7}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;font-size:.85rem;font-weight:600;padding:12px 26px;
  border-radius:var(--radius);transition:all .15s;border:1px solid transparent
}
.btn-dark{background:var(--text);color:var(--bg)}
.btn-dark:hover{background:#1A2E5A;color:var(--text)}
.btn-outline{background:transparent;color:var(--text);border-color:var(--border)}
.btn-outline:hover{border-color:var(--text)}
.btn-accent{background:var(--accent);color:var(--bg)}
.btn-accent:hover{background:var(--accent-dim)}

.stats-row{
  display:flex;justify-content:center;gap:64px;padding:32px 0;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  max-width:650px;margin:48px auto 0
}
.stat{text-align:center}
.stat .num{font-size:1.8rem;font-weight:800;color:var(--accent);letter-spacing:-0.5px}
.stat .label{font-size:.68rem;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin-top:2px}
.stat-badge{display:flex;flex-direction:column;align-items:center}
.stat-pill{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:50px;padding:3px 12px;border:1px solid var(--border);border-radius:100px;box-sizing:border-box}
.stat-pill-icon{width:21px;height:21px;color:var(--accent);flex-shrink:0}
.stat-pill-text{font-size:.68rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.6px;line-height:1}
@media(max-width:640px){.stats-row{flex-wrap:wrap;gap:32px}}

/* ---------- sections ---------- */
section{padding:64px 36px;border-top:1px solid var(--border)}
.section-label{
  text-align:center;font-size:.7rem;font-weight:700;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--accent);margin-bottom:14px
}
.section-title{
  text-align:center;font-size:clamp(1.85rem,3.5vw,2.45rem);font-weight:800;
  letter-spacing:-1px;line-height:1.15;margin-bottom:14px
}
.section-sub{text-align:center;color:var(--muted);max-width:72ch;margin:0 auto 44px;font-size:.95rem}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cards.four{grid-template-columns:repeat(4,1fr)}
.cards.two{grid-template-columns:1fr 1fr}
@media(max-width:820px){.cards,.cards.four,.cards.two{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.cards,.cards.four,.cards.two{grid-template-columns:1fr}}
.card{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.card h3{font-size:.98rem;font-weight:700;margin-bottom:9px}
.card p{font-size:.86rem;color:var(--muted);line-height:1.65}
.card .count{font-family:var(--mono);font-size:.7rem;color:var(--accent);letter-spacing:1px;display:block;margin-bottom:8px}

/* ---------- signal grid ---------- */
.sig-group{margin-bottom:34px}
.sig-group h3{
  font-size:.7rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--muted);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border);
  display:flex;justify-content:space-between
}
.sig-group h3 span{color:var(--accent)}
.sig-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:820px){.sig-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.sig-grid{grid-template-columns:1fr}}
.sig{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}
.sig code{font-family:var(--mono);font-size:.79rem;color:var(--accent);display:block;margin-bottom:6px}
.sig p{font-size:.81rem;color:var(--muted);line-height:1.55}
.sig .out{font-family:var(--mono);font-size:.68rem;color:#5f6f85;display:block;margin-top:8px}

/* ---------- panels ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:stretch}
@media(max-width:820px){.split{grid-template-columns:1fr}}
.panel{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.panel h3{font-size:.7rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.panel ul{list-style:none;font-size:.87rem;color:var(--muted)}
.panel li{padding:7px 0;border-bottom:1px solid rgba(34,211,238,.06)}
.panel li:last-child{border-bottom:none}
.panel li b{color:var(--text);font-weight:600}
.panel.feature{border-color:rgba(34,211,238,.35)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
@media(max-width:820px){.steps{grid-template-columns:1fr}}
.step{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:relative}
.step::before{
  counter-increment:step;content:counter(step);
  position:absolute;top:-11px;left:20px;background:var(--bg);border:1px solid var(--border);
  color:var(--accent);font-family:var(--mono);font-size:.7rem;width:23px;height:23px;
  display:flex;align-items:center;justify-content:center;border-radius:50%
}
.step h3{font-size:.95rem;font-weight:700;margin:6px 0 8px}
.step p{font-size:.85rem;color:var(--muted);line-height:1.6}

/* ---------- table ---------- */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.87rem;min-width:560px}
th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--border)}
th{font-size:.66rem;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted);font-weight:700}
th.c,td.c{text-align:center}
td.yes{color:var(--accent);font-weight:600;text-align:center}
td.no{color:#5f6f85;text-align:center}
td.part{color:var(--muted);text-align:center;font-size:.82rem}

/* ---------- terminal ---------- */
.term{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin:0 0 18px}
.term-head{background:var(--bg);border-bottom:1px solid #1A2638;padding:9px 14px;display:flex;align-items:center;gap:7px}
.dot{width:10px;height:10px;border-radius:50%}
.term-head .fname{margin-left:8px;font-size:.74rem;color:var(--muted);font-family:var(--mono)}
.term pre{
  padding:18px 20px;overflow-x:auto;font-family:var(--mono);
  font-size:.77rem;line-height:1.85;color:var(--text)
}
.c{color:var(--muted)} .p{color:#27c93f} .h{color:var(--accent)} .d{color:#6f7f95}

/* ---------- pricing ---------- */
.price-card{
  background:var(--bg-alt);border:1px solid rgba(34,211,238,.35);border-radius:var(--radius);
  padding:34px;text-align:center;max-width:540px;margin:0 auto
}
.price{font-size:2.9rem;font-weight:800;letter-spacing:-2px;line-height:1.1}
.price small{font-size:1rem;font-weight:600;color:var(--muted);letter-spacing:0}
.price-note{color:var(--muted);font-size:.89rem;margin:10px 0 22px}
.free-line{font-size:.79rem;color:var(--muted);margin-top:18px;padding-top:18px;border-top:1px solid var(--border)}

/* ---------- faq ---------- */
details{border-bottom:1px solid var(--border)}
summary{
  padding:17px 4px;cursor:pointer;font-weight:600;font-size:.94rem;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px
}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';color:var(--accent);font-size:1.15rem;font-weight:400;flex:none}
details[open] summary::after{content:'−'}
details p{padding:0 4px 17px;font-size:.87rem;color:var(--muted);line-height:1.7}

/* ---------- blog ---------- */
.posts{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:820px){.posts{grid-template-columns:1fr}}
.post{
  background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;transition:border-color .15s;display:block;color:inherit
}
.post:hover{border-color:rgba(34,211,238,.35)}
.post .meta{font-family:var(--mono);font-size:.68rem;color:var(--accent);letter-spacing:.5px;margin-bottom:10px}
.post h3{font-size:1.02rem;font-weight:700;margin-bottom:9px;line-height:1.35}
.post p{font-size:.85rem;color:var(--muted);line-height:1.6}

/* ---------- prose (legal) ---------- */
.prose{max-width:720px;margin:0 auto}
.prose h2{font-size:1.15rem;font-weight:700;margin:34px 0 10px;letter-spacing:-.3px}
.prose h2:first-child{margin-top:0}
.prose p{font-size:.9rem;color:var(--muted);margin-bottom:13px;line-height:1.75}
.prose ul{margin:0 0 13px 20px}
.prose li{font-size:.9rem;color:var(--muted);margin-bottom:7px;line-height:1.7}
.prose strong{color:var(--text);font-weight:600}
.prose code{font-family:var(--mono);font-size:.82rem;color:var(--accent)}
.notice{
  background:var(--bg-alt);border-left:2px solid var(--accent);border-radius:var(--radius);
  padding:14px 18px;font-size:.82rem;color:var(--muted);margin-bottom:30px
}

/* ---------- facts table (Agent Manifest) ---------- */
.facts{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin:32px 0;text-align:left}
.facts table{width:100%;border-collapse:collapse;font-size:.88rem}
.facts td{padding:13px 16px;border-bottom:1px solid var(--border);vertical-align:top}
.facts tr:last-child td{border-bottom:none}
.facts td:first-child{font-weight:700;color:var(--accent);white-space:nowrap;width:190px;font-family:var(--mono);font-size:.8rem}
.facts td:last-child{color:var(--muted)}
.facts td:last-child code{color:var(--text);background:rgba(34,211,238,.08);padding:1px 6px;border-radius:2px;font-family:var(--mono);font-size:.8rem}
@media(max-width:640px){.facts td:first-child{width:auto;display:block;padding-bottom:0}.facts td:last-child{display:block;padding-top:0}}

/* ---------- terminal (live quickstart) ---------- */
.terminal{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin:32px 0}
.terminal-header{display:flex;align-items:center;gap:8px;padding:12px 18px;background:var(--bg);border-bottom:1px solid #1A2638}
.terminal-dot{width:10px;height:10px;border-radius:50%;flex:none}
.terminal-dot.red{background:#ff5f56}.terminal-dot.yellow{background:#ffbd2e}.terminal-dot.green{background:#27c93f}
.terminal-title{font-size:.66rem;color:var(--muted);margin-left:8px;font-family:var(--mono)}
.terminal-body{padding:20px 24px;text-align:left;font-family:var(--mono);font-size:.78rem;line-height:1.9;color:var(--text);white-space:pre-wrap;overflow-x:auto}
.terminal-body .c{color:var(--muted)}.terminal-body .h{color:var(--accent)}.terminal-body .d{color:#c0c8d0}

/* ---------- visual proof (raw → markdown → litmus) ---------- */
.visual-proof{display:grid;grid-template-columns:1fr;gap:16px}
.visual-proof-pane{border-radius:var(--radius);overflow:hidden}
.visual-proof-pane-header{display:flex;align-items:center;gap:8px;padding:12px 18px;background:var(--bg);border-bottom:1px solid var(--border);font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.vp-before{border:1px solid rgba(239,68,68,.3);background:rgba(239,68,68,.04)}
.vp-before .visual-proof-pane-header{color:#ef4444}
.vp-after{border:1px solid rgba(34,211,238,.3);background:rgba(34,211,238,.04)}
.vp-after .visual-proof-pane-header{color:#22d3ee}
.vp-litmus{border:1px solid rgba(34,211,238,.2);background:rgba(34,211,238,.03)}
.vp-litmus .visual-proof-pane-header{color:#22d3ee}
.visual-proof-pane-body{padding:24px 20px;font-family:var(--mono);font-size:.62rem;line-height:1.55;white-space:pre-wrap;overflow:auto;max-height:350px;text-align:left}
.visual-proof-pane-body .tk{color:#ef7070}.visual-proof-pane-body .at{color:#f0a060}.visual-proof-pane-body .vl{color:#8ecf7e}
.vp-after .visual-proof-pane-body{color:#c0c8d0}
@media(min-width:1024px){.visual-proof{grid-template-columns:1fr 1fr}.visual-proof-pane.vp-litmus{grid-column:1/-1}}

/* ---------- try-it demo ---------- */
.try-it-box{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:28px;display:flex;gap:16px;align-items:center;max-width:900px;margin:24px auto 0}
.try-it-input{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:12px 16px;font-size:.85rem;font-family:var(--mono);outline:none}
.try-it-input:focus{border-color:var(--accent)}
.try-it-input::placeholder{color:var(--muted)}
.try-it-btn{font-family:inherit;font-weight:600;font-size:.85rem;color:var(--bg);background:var(--accent);border:none;border-radius:var(--radius);padding:12px 28px;cursor:pointer;white-space:nowrap;transition:background .15s}
.try-it-btn:hover{background:var(--accent-dim)}
.try-it-btn:disabled{opacity:.5;cursor:not-allowed}
.try-it-note{text-align:center;color:var(--muted);font-size:.72rem;margin:10px 0 0}
.demo-result{max-width:900px;margin:16px auto 0;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;text-align:left}
.demo-result-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;font-size:.82rem}
.demo-result-head .ok{color:var(--accent);font-weight:700}
.demo-result-head .err{color:#f87171;font-weight:700}
.demo-result-head .chars{color:var(--muted);font-size:.75rem}
.demo-result pre{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin:0;max-height:420px;overflow:auto;white-space:pre-wrap;word-break:break-word;font-family:var(--mono);font-size:.78rem;line-height:1.6;color:var(--text)}
.demo-result .demo-foot{color:var(--muted);font-size:.72rem;margin:10px 0 0;line-height:1.6}
@media(max-width:640px){.try-it-box{flex-direction:column;align-items:stretch;padding:20px;gap:12px}}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--border);padding:38px 36px;text-align:center;font-size:.72rem;color:var(--muted)}
.footer-links{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:12px}
.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--accent)}
footer .fine{margin-top:9px;font-size:.68rem;color:#5f6f85}


/* ---------- hero terminal ---------- */
.hero-terminal{max-width:640px;margin:28px auto 0;text-align:left}
.hero-terminal .terminal-body{font-size:.74rem}

/* ---------- demo chips ---------- */
.demo-chips{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;margin:26px auto 0;max-width:900px}
.demo-chips-label{font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;margin-right:2px}
.chip{font-family:inherit;font-size:.78rem;font-weight:600;color:var(--text);background:transparent;border:1px solid var(--border);border-radius:100px;padding:8px 16px;cursor:pointer;transition:border-color .15s,color .15s}
.chip:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- demo litmus flag ---------- */
.demo-flag{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:rgba(34,211,238,.06);border:1px solid rgba(34,211,238,.25);border-radius:var(--radius);padding:12px 16px;margin-bottom:14px;font-size:.82rem;line-height:1.5;text-align:left}
.demo-flag-badge{font-family:var(--mono);font-size:.66rem;font-weight:700;color:var(--bg);background:var(--accent);border-radius:3px;padding:2px 8px;letter-spacing:.5px;flex:none}
.demo-flag strong{color:var(--accent)}


/* ---------- litmus: two-column hero ---------- */
.hero-litmus{max-width:1120px;text-align:left}
.hero-split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.hero-split>*{min-width:0}
.hero-litmus .hero-sub{margin:0 0 18px;max-width:none}
.hero-litmus .hero-actions{justify-content:flex-start}
.price-line{font-family:var(--mono);font-size:.8rem;color:var(--muted);margin:0 0 18px}
@media(max-width:900px){.hero-split{grid-template-columns:1fr}.hero-litmus{text-align:center}.hero-litmus .hero-actions{justify-content:center}}

/* ---------- litmus: payload block ---------- */
.payload{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;text-align:left}
.payload-head{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:var(--bg);border-bottom:1px solid #1A2638}
.payload-head .fname{margin:0;font-size:.74rem;color:var(--muted);font-family:var(--mono)}
.copy-btn{font-family:inherit;font-size:.72rem;font-weight:600;color:var(--accent);background:transparent;border:1px solid var(--border);border-radius:var(--radius);padding:5px 14px;cursor:pointer}
.copy-btn:hover{border-color:var(--accent)}
.payload pre{padding:18px 20px;margin:0;font-family:var(--mono);font-size:.7rem;line-height:1.75;color:#c0c8d0;white-space:pre;overflow-x:auto;max-height:560px}

/* ---------- litmus: sticky group anchors ---------- */
.anchor-bar{position:sticky;top:var(--nav-height);z-index:50;background:rgba(10,18,34,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:11px 0;display:flex;justify-content:center;gap:28px;flex-wrap:wrap}
.anchor-bar a{color:var(--muted);font-size:.85rem;font-weight:600}
.anchor-bar a:hover{color:var(--accent)}

/* ---------- litmus: signal index chips ---------- */
.idx-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.idx-chip{font-family:var(--mono);font-size:.72rem;color:var(--accent);border:1px solid var(--border);border-radius:100px;padding:5px 12px;text-decoration:none}
.idx-chip:hover{border-color:var(--accent)}

/* ---------- litmus: signal cards (pass + flagged) ---------- */
.sig .ex{margin-top:12px;display:flex;flex-direction:column;gap:6px}
.sig .ex span{font-family:var(--mono);font-size:.8rem;line-height:1.5;display:block}
.sig .ex .ok{color:#8ecf7e}
.sig .ex .bad{color:#f87171}
.sig .how{display:inline-block;margin-top:12px;font-size:.72rem;color:var(--muted);text-decoration:none}
.sig .how:hover{color:var(--accent)}
.sig-callout{display:flex;align-items:center;border-style:dashed}
.sig-callout p{color:var(--muted);font-size:.82rem;line-height:1.55;margin:0}

.visual-proof-pane-body .jk{color:#22d3ee}
.visual-proof-pane-body .jv{color:#8ecf7e}
.visual-proof-pane-body .jn{color:#22d3ee}