/* CloudBalance — Nous ARK canonical palette, NIGHT theme.
   Background is the canonical Night field (#100F0D); text is Paper; accent is Gold.
   Panel/rule are dark shades derived to sit above the night field; gold is lifted
   slightly for legibility on black. --box is the deepest inset (code/result panels). */
:root {
  --paper: #100F0D;   /* page background — canonical Night field */
  --ink: #F2F1EE;     /* primary text — canonical Paper */
  --night: #080807;   /* deepest inset field */
  --box: #080807;     /* code / result panels (below panel level) */
  --panel: #1B1916;   /* cards / panels — elevated warm charcoal */
  --rule: #34302A;    /* hairlines on dark */
  --secondary: #B4AEA4; /* secondary text, light warm gray */
  --muted: #8D867F;   /* muted labels — canonical, reads on dark */
  --gold: #C2A03C;    /* accent — canonical gold family, lifted for contrast on black */

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", "DejaVu Sans Mono", "Menlo", Consolas, monospace;

  --maxw: 960px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; }

/* Section eyebrow label */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 14px;
}

/* ---- top bar ---- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(16, 15, 13, 0.85);
  backdrop-filter: saturate(1.1) blur(6px);
  border-bottom: 1px solid var(--rule);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.brand { font-family: var(--serif); font-size: 19px; font-weight: 600; color: var(--ink); }
.brand .dot { color: var(--gold); }
.navlinks { display: flex; gap: 22px; font-size: 14px; }
.navlinks a { color: var(--secondary); }
.navlinks a:hover { color: var(--ink); text-decoration: none; }
.nav-cta {
  font-size: 14px; padding: 7px 15px; border: 1px solid var(--gold);
  border-radius: 3px; color: var(--gold) !important;
}
.nav-cta:hover { background: var(--gold); color: var(--paper) !important; text-decoration: none; }

/* ---- hero ---- */
.hero { padding: 78px 0 60px; border-bottom: 1px solid var(--rule); }
.hero h1 { font-size: 44px; line-height: 1.12; margin: 0 0 22px; max-width: 20ch; }
.hero .lede { font-size: 20px; color: var(--secondary); max-width: 62ch; margin: 0 0 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-block; font-family: var(--sans); font-size: 15px;
  padding: 11px 22px; border-radius: 3px; border: 1px solid var(--gold);
  cursor: pointer; background: var(--gold); color: var(--paper);
}
.btn:hover { background: #866a1a; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--gold); }
.btn.ghost:hover { background: var(--panel); text-decoration: none; }

/* headline stat strip */
.statstrip {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--rule); border: 1px solid var(--rule);
  margin-top: 46px; border-radius: 4px; overflow: hidden;
}
.statstrip .cell { background: var(--paper); padding: 20px 22px; }
.statstrip .num { font-family: var(--mono); font-size: 27px; color: var(--gold); line-height: 1.1; }
.statstrip .cap { font-size: 13px; color: var(--secondary); margin-top: 6px; }

/* ---- generic section ---- */
section { padding: 62px 0; border-bottom: 1px solid var(--rule); }
section h2 { font-size: 30px; margin: 0 0 10px; }
.section-lede { font-size: 18px; color: var(--secondary); max-width: 66ch; margin: 0 0 34px; }

/* two-problem cards */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.card {
  background: var(--panel); border: 1px solid var(--rule);
  border-radius: 5px; padding: 26px 26px 24px;
}
.card h3 { font-size: 21px; margin: 0 0 6px; }
.card .tag { font-family: var(--mono); font-size: 12px; color: var(--gold); letter-spacing: 0.06em; }
.card p { color: var(--secondary); font-size: 16px; margin: 12px 0 0; }
.card ul { margin: 14px 0 0; padding-left: 18px; color: var(--secondary); font-size: 15px; }
.card li { margin: 5px 0; }

/* ---- tables ---- */
.tablewrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: 5px; }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
caption { text-align: left; font-size: 14px; color: var(--muted); padding: 12px 14px; font-family: var(--mono); }
th, td { padding: 9px 14px; text-align: right; border-bottom: 1px solid var(--rule); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
thead th { background: var(--panel); color: var(--ink); font-weight: 600; border-bottom: 1px solid var(--rule); }
tbody tr:last-child td { border-bottom: none; }
td.num, th.num { font-family: var(--mono); }
.win { color: var(--gold); font-weight: 600; }
.dead { color: var(--muted); }
.disclosure {
  font-size: 13px; color: var(--muted); margin-top: 14px; line-height: 1.5;
  border-left: 2px solid var(--gold); padding-left: 14px;
}
.synthetic-note {
  font-size: 13px; color: var(--secondary); margin: 10px 0 0;
  font-style: italic;
}

/* code snippet — "call it in one line" */
.codeblock {
  background: var(--box); color: #E7E2D8; border-radius: 5px;
  border: 1px solid var(--rule);
  font-family: var(--mono); font-size: 13.5px; line-height: 1.7;
  padding: 18px 20px; overflow-x: auto; margin: 6px 0 0;
}
.codeblock .prompt { color: var(--gold); }
.codeblock .out { color: #A7A198; }
.codeblock .cmt { color: #6f6a62; }

/* strong synthetic-model warning band */
.synthetic-band {
  border-left: 3px solid var(--gold); background: var(--panel);
  padding: 12px 16px; border-radius: 0 4px 4px 0; margin: 14px 0 0;
  font-size: 13.5px; color: var(--secondary);
}
.synthetic-band strong { color: var(--gold); }

/* ---- playground ---- */
.play { display: grid; grid-template-columns: 1fr; gap: 20px; }
.demo {
  background: var(--panel); border: 1px solid var(--rule); border-radius: 5px;
  padding: 22px 24px;
}
.demo h3 { font-size: 19px; margin: 0 0 4px; }
.demo .desc { color: var(--secondary); font-size: 15px; margin: 0 0 16px; }
.demo .controls { display: flex; flex-wrap: wrap; gap: 14px 18px; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.field input, .field select {
  font-family: var(--mono); font-size: 14px; padding: 8px 10px; width: 110px;
  border: 1px solid var(--rule); border-radius: 3px; background: var(--paper); color: var(--ink);
}
.field input:focus, .field select:focus { outline: none; border-color: var(--gold); }
.keybar {
  display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap;
  margin: 4px 0 22px; padding: 14px 16px;
  border: 1px solid var(--rule); border-radius: 6px; background: var(--panel);
}
.keybar .field { flex: 1; min-width: 260px; }
.keybar .field input { width: 100%; }
.keybar .field label .muted { text-transform: none; letter-spacing: 0; font-size: 11px; color: var(--muted); }
.trialstatus {
  font-family: var(--mono); font-size: 12px; color: var(--secondary);
  white-space: nowrap; padding-bottom: 9px;
}
.trialstatus.warn { color: var(--gold); font-weight: 600; }
.demo .runline { margin-top: 16px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.result {
  margin-top: 16px; background: var(--box); color: #E7E2D8; border-radius: 4px;
  border: 1px solid var(--rule);
  font-family: var(--mono); font-size: 13.5px; line-height: 1.65; padding: 16px 18px;
  overflow-x: auto; display: none;
}
.result.show { display: block; }
.result .cmd { color: var(--muted); }
.result .k { color: #C9B36A; }
.result .v { color: #E7E2D8; }
.result .badge {
  display: inline-block; margin: 8px 8px 0 0; padding: 3px 9px; border-radius: 3px;
  font-size: 12px; letter-spacing: 0.04em;
}
.badge.ok { background: rgba(154,123,30,0.25); color: #E4C766; border: 1px solid #9A7B1E; }
.badge.info { background: rgba(255,255,255,0.07); color: #C7C1B6; border: 1px solid #4a453f; }
.result .err { color: #D98E7A; }
.result .expl { color: #A7A198; margin-top: 12px; font-size: 12.5px; line-height: 1.6; }

/* ---- virtues grid ---- */
.virtues { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 5px; overflow: hidden; }
.virtue { background: var(--paper); padding: 20px 22px; }
.virtue h3 { font-size: 16px; margin: 0 0 5px; }
.virtue p { font-size: 14.5px; color: var(--secondary); margin: 0; }
.virtue .mono { font-family: var(--mono); color: var(--gold); font-size: 13px; }

/* ---- scope / honesty ---- */
.scope { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.scope .col { background: var(--panel); border: 1px solid var(--rule); border-radius: 5px; padding: 24px; }
.scope h3 { margin: 0 0 12px; font-size: 18px; }
.scope ul { margin: 0; padding-left: 20px; }
.scope li { margin: 8px 0; color: var(--secondary); font-size: 15px; }
.scope .in li::marker { color: var(--gold); }
.scope .out li::marker { color: var(--muted); }

/* ---- FAQ / battlecard ---- */
.faq details {
  border: 1px solid var(--rule); border-radius: 5px; margin-bottom: 12px;
  background: var(--panel); overflow: hidden;
}
.faq summary {
  cursor: pointer; padding: 16px 20px; font-family: var(--serif); font-size: 18px;
  color: var(--ink); list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "＋"; color: var(--gold); margin-right: 12px; font-family: var(--mono); }
.faq details[open] summary::before { content: "－"; }
.faq .answer { padding: 0 20px 18px; color: var(--secondary); font-size: 15.5px; }

/* ---- CTA ---- */
.cta {
  background: var(--panel); color: var(--ink); border-bottom: none;
  border: 1px solid var(--rule); border-top: 2px solid var(--gold);
  border-radius: 6px; margin: 62px auto; padding: 52px 40px; max-width: var(--maxw);
}
.cta .wrap { padding: 0; }
.cta h2 { color: var(--ink); font-size: 30px; margin: 0 0 12px; }
.cta p { color: var(--secondary); font-size: 18px; max-width: 60ch; margin: 0 0 26px; }
.cta .eyebrow { color: var(--gold); }
.cta .btn { background: var(--gold); border-color: var(--gold); color: var(--paper); }
.cta .contact { margin-top: 22px; font-family: var(--mono); font-size: 14px; color: var(--muted); }
.cta .contact a { color: var(--gold); }

/* ---- footer ---- */
footer { padding: 40px 0 60px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; font-size: 13px; color: var(--muted); }
footer .brand { font-size: 16px; }

/* ---- responsive ---- */
@media (max-width: 760px) {
  .hero h1 { font-size: 33px; }
  .statstrip { grid-template-columns: 1fr; }
  .cards, .scope, .virtues { grid-template-columns: 1fr; }
  .navlinks { display: none; }
  body { font-size: 16px; }
}