:root {
  --bg: #f6f5f1;
  --surface: #ffffff;
  --fg: #1c1c1e;
  --muted: #66666b;
  --rule: #dcdad3;
  --accent: #1c1c1e;
  --accent-fg: #f6f5f1;
  --max: 1040px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141414;
    --surface: #1e1e20;
    --fg: #f2f1ec;
    --muted: #a3a3a8;
    --rule: #333336;
    --accent: #f2f1ec;
    --accent-fg: #141414;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scrollbar-gutter: stable; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
code { font: 0.88em ui-monospace, "SF Mono", Menlo, monospace; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 700px; }

header.site {
  border-bottom: 1px solid var(--rule);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; height: 60px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; text-decoration: none; }
.brand img { width: 28px; height: 28px; }
nav { display: flex; gap: 20px; font-size: 15px; }
nav a { text-decoration: none; color: var(--muted); white-space: nowrap; }
nav a:hover, nav a[aria-current] { color: var(--fg); }

.hero { padding-block: 72px 40px; text-align: center; }
.hero img.icon { width: 112px; height: 112px; margin: 0 auto 20px; }
.hero h1 { font-size: clamp(34px, 6vw, 52px); line-height: 1.1; margin: 0 0 14px; letter-spacing: -0.02em; }
.hero p { font-size: clamp(18px, 2.4vw, 21px); color: var(--muted); max-width: 620px; margin: 0 auto 28px; }
.button {
  display: inline-block; padding: 12px 22px; border-radius: 10px;
  background: var(--accent); color: var(--accent-fg); text-decoration: none; font-weight: 600;
}
.hero .note { font-size: 14px; color: var(--muted); margin-top: 12px; }

.shot {
  margin: 24px auto 0; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--rule); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

section.features { padding-block: 64px; }
.grid { display: grid; gap: 40px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); align-items: center; }
.grid + .grid { margin-top: 64px; }
.features h2 { font-size: 28px; margin: 0 0 12px; letter-spacing: -0.01em; }
.features ul { padding-left: 20px; margin: 0; color: var(--muted); }
.features li { margin-bottom: 6px; }
.features .shot { margin: 0; }

.doc { padding-block: 56px 72px; }
.doc h1 { font-size: 34px; margin: 0 0 4px; letter-spacing: -0.01em; }
.doc h2 { font-size: 20px; margin: 36px 0 8px; }
.doc p, .doc li { margin: 0 0 10px; }
.doc ul { padding-left: 22px; }
.muted { color: var(--muted); }
.summary { border-left: 3px solid var(--rule); padding-left: 14px; }

footer.site { border-top: 1px solid var(--rule); padding: 28px 0 40px; font-size: 14px; color: var(--muted); }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 12px 20px; justify-content: space-between; align-items: flex-start; }
.legal { flex: 1 1 320px; }
.legal p { margin: 0 0 4px; }
footer.site nav { gap: 16px; font-size: 14px; }

@media (max-width: 520px) {
  .wrap { padding: 0 24px; }
  nav { gap: 12px; font-size: 14px; }
  .brand { gap: 8px; }
  .hero { padding-block-start: 48px; }
}
@media (max-width: 400px) {
  .brand span { display: none; }
}