:root {
  --bg: #fafaf7;
  --surface: #ffffff;
  --ink: #10202e;
  --muted: #51606f;
  --line: #e3e5e0;
  --accent: #0e7c66;
  --accent-ink: #ffffff;
  --accent-soft: #e4f3ee;
  --code-bg: #0f1c28;
  --code-ink: #d6e2ec;
  --code-key: #7fd1b9;
  --code-str: #f0c987;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b141c;
    --surface: #111d27;
    --ink: #e8eef3;
    --muted: #9fb0bf;
    --line: #22313e;
    --accent: #3fc3a4;
    --accent-ink: #06231c;
    --accent-soft: #11302a;
    --code-bg: #08111a;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.wrap { max-width: 1080px; margin: 0 auto; padding-inline: 20px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--bg); padding: 8px 12px; border-radius: 6px; z-index: 10; }
.skip:focus { left: 8px; }

header.site { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
header.site .wrap { display: flex; align-items: center; gap: 24px; min-height: 64px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; text-decoration: none; }
.brand svg { width: 28px; height: 28px; }
nav.main { display: flex; gap: 20px; margin-right: auto; }
nav.main a { text-decoration: none; color: var(--muted); font-size: .95rem; }
nav.main a:hover { color: var(--ink); }
.auth { display: flex; gap: 10px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 16px; border-radius: 8px; font-weight: 600; font-size: .95rem;
  text-decoration: none; border: 1px solid var(--line); background: var(--surface); color: var(--ink);
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.large { padding: 13px 22px; font-size: 1rem; }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.hero { padding-block: 72px 56px; }
.hero .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: 5px 10px; border-radius: 999px; }
h1 { font-size: clamp(2rem, 4.6vw, 3.25rem); line-height: 1.1; letter-spacing: -0.025em; margin: 18px 0 18px; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 34em; margin: 0 0 28px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.fine { font-size: .85rem; color: var(--muted); margin-top: 14px; }

.code { background: var(--code-bg); color: var(--code-ink); border-radius: 14px; padding: 20px 22px; overflow-x: auto; border: 1px solid var(--line); }
.code .cap { display: block; font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; color: #8aa0b3; margin-bottom: 10px; }
.code pre { margin: 0; font: 12px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.code .k { color: var(--code-key); }
.code .s { color: var(--code-str); }

section { padding-block: 56px; }
section.alt { background: var(--surface); border-block: 1px solid var(--line); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -0.02em; line-height: 1.2; margin: 0 0 12px; }
.sub { color: var(--muted); max-width: 40em; margin: 0 0 36px; }

.steps, .cards { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); list-style: none; padding: 0; margin: 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
section.alt .card { background: var(--bg); }
.card h3 { margin: 0 0 8px; font-size: 1.1rem; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); }
.num { display: inline-flex; width: 30px; height: 30px; align-items: center; justify-content: center; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 700; margin-bottom: 14px; }

.band { text-align: center; }
.band p { color: var(--muted); max-width: 36em; margin: 0 auto 24px; }

footer.site { border-top: 1px solid var(--line); padding-block: 28px; color: var(--muted); font-size: .9rem; }
footer.site .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer.site a { color: var(--muted); }

main.page { min-height: 55vh; display: grid; place-items: center; padding-block: 64px; }
.panel { max-width: 520px; text-align: center; }
.panel h1 { font-size: 2rem; }
.panel p { color: var(--muted); }

@media (max-width: 820px) {
  .hero .grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding-block: 40px 32px; }
  nav.main { display: none; }
  header.site .wrap { justify-content: space-between; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }