:root {
  --bg: #17171c;
  --card: #212128;
  --line: #3a3a44;
  --text: #f5f5f7;
  --muted: #9a9aa6;
  --accent: #f2545b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--text); text-underline-offset: 3px; }
main { max-width: 1040px; margin: 0 auto; padding: 72px 16px 32px; }

.hero { text-align: center; }
.logo { border-radius: 22px; }
h1 { margin: 20px 0 8px; font-size: clamp(36px, 6vw, 56px); line-height: 1.1; letter-spacing: -0.02em; }
.lede { max-width: 620px; margin: 0 auto; color: var(--muted); font-size: 20px; }

.shot { margin: 56px 0; }
.shot img { display: block; width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--line); }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.features div { padding: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; }
.features h2 { margin: 0 0 6px; font-size: 18px; }
.features p { margin: 0; color: var(--muted); font-size: 15px; }

.cta { display: flex; flex-direction: column; align-items: center; gap: 12px; margin: 16px 0 24px; }
.button {
  display: inline-block;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  corner-shape: superellipse(1.17);
}
.button:hover { filter: brightness(1.08); }
.small { margin: 0; color: var(--muted); font-size: 14px; }

footer { max-width: 1040px; margin: 0 auto; padding: 32px 16px 56px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer p { margin: 6px 0; }
footer a { color: var(--muted); }

.doc { max-width: 720px; }
.doc h1 { font-size: 40px; }
.doc h2 { margin-top: 32px; font-size: 20px; }
.doc ul { padding-left: 20px; }
.doc li { margin: 6px 0; }
code { padding: 1px 6px; background: var(--card); border-radius: 6px; font-size: 0.9em; }