/* style.css - shared design system for the SmartModelRouter site */
:root {
  --bg: #ffffff;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #e5e5ea;
  --accent: #0a84ff;
  --good: #1a9c5b;
  --good-soft: #eaf6ef;
  --maxw: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0;
}
.nav img { height: 26px; width: auto; display: block; }
.nav-cta { display: flex; gap: 14px; align-items: center; }

.btn {
  display: inline-block; font: inherit; font-weight: 600; cursor: pointer;
  padding: 12px 22px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--bg); color: var(--ink); transition: transform 0.12s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--ink); color: #fff; border-color: var(--ink); }

.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 14px;
}
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 650; letter-spacing: -0.02em; margin: 0 0 16px; }
.section p { font-size: 18px; color: var(--muted); max-width: 680px; }

.hero { padding-top: 80px; padding-bottom: 64px; }
.hero h1 { font-size: clamp(38px, 6vw, 68px); font-weight: 680; letter-spacing: -0.03em; line-height: 1.02; margin: 0; max-width: 900px; }
.lede { font-size: 21px; color: var(--muted); margin: 22px 0 32px; max-width: 680px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px; }
.step { border: 1px solid var(--line); border-radius: 18px; padding: 28px; }
.step .num { font-size: 14px; font-weight: 700; color: var(--good); }
.step h3 { font-size: 20px; font-weight: 600; margin: 10px 0 8px; letter-spacing: -0.01em; }
.step p { font-size: 16px; }

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 28px; }
.card { border: 1px solid var(--line); border-radius: 18px; padding: 28px; }
.card h3 { margin: 0 0 8px; font-size: 19px; font-weight: 600; }
.card p { font-size: 16px; }

.cta-band { padding: 84px 0; border-top: 1px solid var(--line); background:
  radial-gradient(120% 140% at 0% 0%, var(--good-soft) 0%, rgba(234,246,239,0) 55%), var(--bg); }
.form { display: grid; gap: 14px; max-width: 520px; margin-top: 24px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 14px; font-weight: 600; }
.field input, .field textarea {
  font: inherit; padding: 12px 14px; border: 1px solid var(--line);
  border-radius: 12px; color: var(--ink); background: var(--bg);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field textarea { min-height: 110px; resize: vertical; }

.footer { padding: 40px 0 64px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Static replica of the live dashboard hero, for marketing pages */
.demo {
  border: 1px solid var(--line); border-radius: 24px; overflow: hidden;
  background: radial-gradient(120% 140% at 0% 0%, var(--good-soft) 0%, rgba(234,246,239,0) 55%), var(--bg);
}
.demo-hero { padding: 40px 36px 28px; }
.demo-eyebrow { font-size: 12px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); margin: 0; }
.demo-figure { margin: 8px 0 0; font-size: clamp(44px, 6vw, 72px); line-height: 1.0; font-weight: 650; letter-spacing: -0.03em; color: var(--good); font-variant-numeric: tabular-nums; }
.demo-sub { margin: 8px 0 0; font-size: 18px; color: var(--ink); font-variant-numeric: tabular-nums; }
.demo-caption { margin: 14px 0 0; font-size: 14px; color: var(--muted); max-width: 460px; }
.demo-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
.demo-stat { padding: 22px 24px; border-right: 1px solid var(--line); }
.demo-stat:last-child { border-right: none; }
.demo-stat .v { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.demo-stat .l { font-size: 13px; color: var(--muted); margin-top: 4px; }
.demo-feed { border-top: 1px solid var(--line); padding: 18px 24px 24px; }
.demo-row { display: grid; grid-template-columns: 96px 1fr 90px; align-items: center; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.demo-row:last-child { border-bottom: none; }
.demo-badge { justify-self: start; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; }
.demo-badge.cheap { background: #e9f7ef; color: var(--good); }
.demo-badge.frontier { background: #fdeef0; color: #c12b3f; }
.demo-row .why { color: var(--muted); }
.demo-row .amt { justify-self: end; font-variant-numeric: tabular-nums; font-weight: 600; color: var(--good); }
.demo-row .amt.none { color: var(--muted); }

@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .hero { padding-top: 56px; padding-bottom: 44px; }
}