:root {
  color-scheme: light dark;
  --ink: #111318;
  --muted: #5e6572;
  --line: rgba(17, 19, 24, 0.14);
  --surface: rgba(255, 255, 255, 0.82);
  --accent: #5a45e8;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: #f7f8fb;
}

a { color: var(--accent); }

.site-header,
.site-footer,
main {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

nav { display: flex; gap: 18px; }
nav a { color: var(--muted); font-size: 14px; text-decoration: none; }

main { padding: 64px 0 72px; }

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(38px, 8vw, 60px);
  line-height: 1.02;
  letter-spacing: 0;
}

.lede {
  margin: 0 0 44px;
  max-width: 650px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.5;
}

section {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

h2 { margin: 0 0 10px; font-size: 21px; letter-spacing: 0; }
p, li { line-height: 1.65; }
ul, ol { padding-left: 22px; }

.action {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  padding: 0 18px;
  border-radius: 8px;
  color: #fff;
  background: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f4f5f8;
    --muted: #afb5c1;
    --line: rgba(255, 255, 255, 0.15);
    --surface: rgba(31, 33, 39, 0.82);
    --accent: #a99bff;
  }
  body { background: #131419; }
  .action { color: #111318; background: #b5aaff; }
}

@media (max-width: 560px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  main { padding-top: 46px; }
}