/* Codenomics marketing site — light SaaS design system */
:root {
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --faint: #94a3b8;
  --line: #e7e9ee;
  --line-2: #eef0f4;
  --bg: #ffffff;
  --soft: #f7f8fa;
  --soft-2: #f1f3f7;
  --brand: #4f46e5;
  --brand-2: #4338ca;
  --brand-soft: #eef2ff;
  --violet: #8b5cf6;
  --pos: #15a34a;
  --pos-soft: #ecfdf3;
  --warn: #d97706;
  --shadow: 0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
  --shadow-lg: 0 8px 40px rgba(15,23,42,.10);
  --radius: 12px;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'JetBrains Mono', 'Cascadia Code', Menlo, Consolas, monospace;
  --maxw: 1120px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-2); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* nav */
nav.top {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
nav.top .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 17px; letter-spacing: -.02em; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand .dot { width: 22px; height: 22px; background: url(assets/brand/mark.svg) center/contain no-repeat; display: inline-block; }
nav.top .links { display: flex; gap: 22px; margin-left: 8px; }
nav.top .links a { color: var(--ink-2); font-size: 14.5px; font-weight: 500; }
nav.top .links a:hover { color: var(--ink); }
nav.top .spacer { flex: 1; }
nav.top .ghost { color: var(--ink-2); font-size: 14.5px; font-weight: 500; }
@media (max-width: 820px) { nav.top .links { display: none; } }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  font-family: var(--sans); font-size: 14.5px; font-weight: 600; line-height: 1;
  padding: 11px 18px; border-radius: 9px; border: 1px solid transparent; cursor: pointer;
  transition: all .15s ease;
}
.btn.primary { background: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-2); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn.outline { background: #fff; color: var(--ink); border-color: var(--line); }
.btn.outline:hover { border-color: var(--faint); color: var(--ink); }
.btn.lg { padding: 14px 24px; font-size: 16px; border-radius: 10px; }

/* hero */
.hero { padding: 84px 0 64px; position: relative; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: -200px 0 auto 0; height: 600px; z-index: -1;
  background: radial-gradient(680px 320px at 50% 0%, rgba(99,102,241,.10), transparent 70%);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .01em; color: var(--brand);
  background: var(--brand-soft); border: 1px solid #e0e3ff; padding: 6px 13px; border-radius: 100px; margin-bottom: 22px;
}
h1 { font-size: 58px; line-height: 1.05; letter-spacing: -.035em; font-weight: 800; max-width: 16ch; }
.hero p.lede { font-size: 20px; color: var(--ink-2); margin-top: 22px; max-width: 60ch; line-height: 1.5; }
.hero .cta-row { display: flex; align-items: center; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
@media (max-width: 720px) { h1 { font-size: 40px; } .hero { padding: 56px 0 44px; } }

/* copy command */
.cmd {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--mono); font-size: 15px; color: var(--ink);
  background: var(--soft); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
}
.cmd .prompt { color: var(--faint); }
.cmd button {
  font-family: var(--sans); font-size: 12px; font-weight: 600; color: var(--muted);
  background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 5px 9px; cursor: pointer;
}
.cmd button:hover { color: var(--ink); border-color: var(--faint); }

/* quick-start reveal (Get started) — a zero-JS <details> accordion */
.quickstart {
  max-width: 620px; margin: 18px auto 0; text-align: left;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
}
.quickstart summary {
  list-style: none; cursor: pointer; user-select: none;
  font-size: 14.5px; font-weight: 600; color: var(--brand);
  padding: 14px 18px; display: flex; align-items: center; gap: 8px;
}
.quickstart summary::-webkit-details-marker { display: none; }
.quickstart summary::before { content: '+'; font-family: var(--mono); font-weight: 700; color: var(--faint); }
.quickstart[open] summary::before { content: '\2212'; }
.quickstart[open] summary { border-bottom: 1px solid var(--line-2); }
.qs-steps { list-style: none; counter-reset: qs; margin: 0; padding: 16px 18px 4px; }
.qs-steps li {
  position: relative; padding-left: 38px; margin-bottom: 16px;
  font-size: 15px; line-height: 1.55; color: var(--ink-2);
}
.qs-steps li::before {
  counter-increment: qs; content: counter(qs);
  position: absolute; left: 0; top: 0;
  font-family: var(--mono); font-size: 12.5px; font-weight: 700; color: var(--brand);
  background: var(--brand-soft); width: 26px; height: 26px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
}
.qs-steps li b { color: var(--ink); font-weight: 600; }
.qs-steps code, .qs-tip code {
  font-family: var(--mono); font-size: .9em; color: var(--ink);
  background: var(--soft); border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px;
}
.qs-tip { font-size: 13.5px; line-height: 1.55; color: var(--muted); padding: 4px 18px 18px; }

/* waitlist email capture (pricing) */
.waitlist-h { font-size: 24px; font-weight: 800; letter-spacing: -.02em; }
.waitlist-sub { color: var(--muted); font-size: 15px; max-width: 52ch; margin: 10px auto 0; line-height: 1.55; }
.waitlist-form {
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
  max-width: 480px; margin: 22px auto 0;
}
.waitlist-form input {
  flex: 1 1 240px; min-width: 0;
  font-family: var(--sans); font-size: 15px; color: var(--ink);
  background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 13px 15px;
}
.waitlist-form input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.waitlist-form .btn { flex: 0 0 auto; }
.waitlist-msg { font-size: 14px; margin-top: 12px; min-height: 1.2em; }
.waitlist-msg.ok { color: var(--pos); font-weight: 600; }
.waitlist-msg.err { color: #dc2626; }
.waitlist-fine { color: var(--faint); font-size: 13px; margin-top: 10px; }

/* sections */
section.band { padding: 76px 0; }
section.band.soft { background: var(--soft); border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--brand); }
h2 { font-size: 38px; line-height: 1.1; letter-spacing: -.03em; font-weight: 800; margin-top: 12px; }
h2 + .sectionlede { font-size: 18.5px; color: var(--ink-2); margin-top: 16px; max-width: 64ch; }
@media (max-width: 720px) { h2 { font-size: 29px; } section.band { padding: 52px 0; } }

/* the metric showcase */
.metric-card {
  background: var(--ink); color: #fff; border-radius: 16px; padding: 34px 36px;
  box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.metric-card::after { content: ''; position: absolute; right: -60px; top: -60px; width: 240px; height: 240px; border-radius: 50%; background: radial-gradient(circle, rgba(139,92,246,.35), transparent 70%); }
.metric-card .label { font-size: 12.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #a5b4fc; }
.metric-card .value { font-size: 52px; font-weight: 800; letter-spacing: -.03em; margin: 6px 0 2px; font-variant-numeric: tabular-nums; }
.metric-card .formula { font-family: var(--mono); font-size: 14px; color: #cbd5e1; margin-top: 14px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); line-height: 1.7; }
.metric-card .formula b { color: #fff; font-weight: 600; }

/* feature grid */
.grid { display: grid; gap: 20px; }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 880px) { .grid.c3 { grid-template-columns: 1fr; } .grid.c2 { grid-template-columns: 1fr; } }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: border-color .15s, box-shadow .15s; }
.card:hover { border-color: #d8dce6; box-shadow: var(--shadow); }
.card .ic { width: 40px; height: 40px; border-radius: 10px; background: var(--brand-soft); display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 16px; }
.card h3 { font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.card p { color: var(--muted); font-size: 15px; margin-top: 8px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
@media (max-width: 880px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding-left: 0; }
.step .n { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--brand); background: var(--brand-soft); width: 30px; height: 30px; border-radius: 8px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.step h3 { font-size: 17px; font-weight: 700; }
.step p { color: var(--muted); font-size: 15px; margin-top: 6px; }
.step .cmd { margin-top: 12px; font-size: 13.5px; }

/* privacy band */
.privacy { display: flex; align-items: center; gap: 28px; background: var(--ink); color: #fff; border-radius: 16px; padding: 36px 40px; }
.privacy .big { font-size: 22px; font-weight: 700; letter-spacing: -.02em; }
.privacy p { color: #cbd5e1; margin-top: 6px; font-size: 15.5px; }
.privacy .lock { font-size: 40px; }
@media (max-width: 720px) { .privacy { flex-direction: column; align-items: flex-start; gap: 14px; padding: 28px; } }

/* comparison / insight callout */
.insight { background: var(--pos-soft); border: 1px solid #c5f0d4; border-radius: var(--radius); padding: 24px 28px; }
.insight .tag { font-size: 12.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--pos); }
.insight p { font-size: 17px; color: #14532d; margin-top: 8px; }
.insight p.fineprint { font-size: 12.5px; color: var(--muted); margin-top: 10px; }
.example-tag { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); border: 1px solid var(--line); border-radius: 100px; padding: 1px 6px; vertical-align: middle; margin-left: 6px; }
.insight b { font-weight: 700; }

/* pricing */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
@media (max-width: 880px) { .tiers { grid-template-columns: 1fr; } }
.tier { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 30px; display: flex; flex-direction: column; }
.tier.featured { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand), var(--shadow-lg); position: relative; }
.tier.featured .ribbon { position: absolute; top: -12px; left: 30px; background: var(--brand); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 11px; border-radius: 100px; letter-spacing: .02em; }
.tier .name { font-size: 14px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.tier .price { font-size: 38px; font-weight: 800; letter-spacing: -.03em; margin: 12px 0 2px; }
.tier .price small { font-size: 15px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.tier .desc { color: var(--muted); font-size: 14.5px; min-height: 40px; }
.tier ul { list-style: none; margin: 20px 0; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.tier li { font-size: 14.5px; color: var(--ink-2); padding-left: 26px; position: relative; }
.tier li::before { content: '✓'; position: absolute; left: 0; color: var(--pos); font-weight: 700; }
.tier li.off { color: var(--faint); }
.tier li.off::before { content: '–'; color: var(--faint); }

/* methodology / prose */
.prose { font-size: 17px; color: var(--ink-2); }
.prose h2 { font-size: 30px; margin: 44px 0 14px; }
.prose h3 { font-size: 21px; font-weight: 700; margin: 32px 0 10px; color: var(--ink); letter-spacing: -.01em; }
.prose p { margin: 14px 0; }
.prose ul { margin: 14px 0 14px 22px; }
.prose li { margin: 8px 0; }
.prose code { font-family: var(--mono); font-size: .9em; background: var(--soft-2); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; color: var(--ink); }
.prose .formula-block { font-family: var(--mono); font-size: 15px; background: var(--ink); color: #e2e8f0; padding: 20px 24px; border-radius: 12px; margin: 22px 0; line-height: 1.7; overflow-x: auto; }
.prose .formula-block b { color: #a5b4fc; }
.prose .note { background: var(--soft); border-left: 3px solid var(--brand); border-radius: 0 8px 8px 0; padding: 14px 18px; margin: 20px 0; font-size: 15.5px; color: var(--ink-2); }

/* stat row */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat .v { font-size: 34px; font-weight: 800; letter-spacing: -.03em; }
.stat .k { color: var(--muted); font-size: 14px; margin-top: 2px; }

/* footer */
footer.site { border-top: 1px solid var(--line); padding: 56px 0 40px; margin-top: 20px; background: var(--soft); }
footer.site .cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 720px) { footer.site .cols { grid-template-columns: 1fr 1fr; } }
footer.site h4 { font-size: 12.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
footer.site a { display: block; color: var(--ink-2); font-size: 14.5px; margin-bottom: 9px; }
footer.site a:hover { color: var(--brand); }
footer.site .tagline { color: var(--muted); font-size: 14.5px; margin-top: 12px; max-width: 34ch; }
footer.site .legal { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--faint); font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

.center { text-align: center; }
.mt-s { margin-top: 14px; } .mt-m { margin-top: 28px; } .mt-l { margin-top: 44px; }
.hl { color: var(--brand); }

/* section figures (diagrams / charts) */
.figure { margin: 36px auto 8px; max-width: 720px; }
.figure img { width: 100%; height: auto; display: block; }
.figure figcaption { text-align: center; font-size: 13.5px; color: var(--muted); margin-top: 14px; }
.figure.pipeline { max-width: 940px; }
.figure.benchmark { max-width: 600px; }

/* landing hero: copy left, product panel right (scoped so other heroes are unaffected) */
.hero .wrap.hero-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero-art { width: 100%; }
.hero-art img { width: 100%; height: auto; display: block; }
@media (max-width: 900px) {
  .hero .wrap.hero-split { grid-template-columns: 1fr; }
  .hero-art { max-width: 460px; margin: 20px auto 0; }   /* stack illustration under copy, centered — stays visible on mobile */
}