:root {
  --bg: #0e1319;
  --surface: #171d29;
  --outline: rgba(255, 255, 255, 0.12);
  --trace: #8cd1cc;
  --glow: #b3ebe6;
  --text: rgba(255, 255, 255, 0.92);
  --text-2: rgba(255, 255, 255, 0.55);
  --max: 1040px;
  --font: -apple-system, "SF Pro Rounded", ui-rounded, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--trace); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-weight: 300; letter-spacing: -0.01em; line-height: 1.15; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); }
h3 { font-size: 1.2rem; font-weight: 500; }
p { margin: 0 0 1em; }
.muted { color: var(--text-2); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

header.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0;
}
header.top .brand { display: flex; align-items: center; gap: 12px; color: var(--text); font-weight: 500; }
header.top .brand img { width: 32px; height: 32px; border-radius: 8px; }
header.top nav a { color: var(--text-2); margin-left: 22px; font-size: 15px; }
header.top nav a:hover { color: var(--text); text-decoration: none; }

.hero {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center;
  padding: 56px 0 72px;
}
.hero .lede { font-size: 1.25rem; color: var(--text-2); max-width: 30ch; }
.cta {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--trace); color: var(--bg); font-weight: 500;
  padding: 14px 22px; border-radius: 14px; margin-top: 8px;
}
.cta:hover { text-decoration: none; background: var(--glow); }
.cta.soon { background: var(--surface); color: var(--text); border: 1px solid var(--outline); cursor: default; }
.cta.soon:hover { background: var(--surface); }
.fineprint { font-size: 14px; color: var(--text-2); margin-top: 14px; }

.demo { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.demo svg { width: min(320px, 70vw); height: auto; }
.demo .phase { font-size: 1.5rem; font-weight: 300; min-height: 1.4em; }
.demo .count { color: var(--text-2); font-variant-numeric: tabular-nums; font-size: 14px; }

section { padding: 56px 0; border-top: 1px solid var(--outline); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-top: 28px; }
.card { background: var(--surface); border-radius: 18px; padding: 22px; }
.card h3 { margin-bottom: 6px; }
.card p { color: var(--text-2); margin: 0; font-size: 15px; }

table { width: 100%; border-collapse: collapse; margin-top: 24px; font-size: 15px; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--outline); }
th { color: var(--text-2); font-weight: 500; }
td.yes { color: var(--trace); }
td.no { color: var(--text-2); }

.faq details { border-bottom: 1px solid var(--outline); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 500; list-style: none; display: flex; justify-content: space-between; }
.faq summary::after { content: "+"; color: var(--text-2); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--text-2); margin: 10px 0 0; }

footer { padding: 40px 0 60px; border-top: 1px solid var(--outline); color: var(--text-2); font-size: 14px; }
footer nav a { color: var(--text-2); margin-right: 18px; }

.prose { max-width: 68ch; padding: 32px 0 72px; }
.prose h1 { font-size: 2.4rem; }
.prose h2 { font-size: 1.4rem; margin-top: 2em; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: 0.4em; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding: 24px 0 48px; }
  .hero .copy { order: 2; }
  .demo { order: 1; }
  header.top nav a { margin-left: 14px; }
  header.top nav a.wide { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}