:root {
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.1);
  --accent: #0a84ff;
  --accent-text: #ffffff;
  --card: #ffffff;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.14);
  --radius: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0d;
    --bg-soft: #161618;
    --text: #f5f5f7;
    --muted: #a1a1a6;
    --line: rgba(255, 255, 255, 0.12);
    --card: #1c1c1e;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--line);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; font-size: 18px; }
.brand:hover { text-decoration: none; }
.brand img { width: 28px; height: 28px; }
nav.site a { color: var(--muted); margin-left: 22px; font-size: 15px; }
nav.site a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { text-align: center; padding: 72px 0 32px; }
.hero .icon { width: 112px; height: 112px; margin: 0 auto 22px; }
.hero h1 { font-size: clamp(40px, 6vw, 64px); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 18px; }
.hero p.lead { font-size: clamp(18px, 2.2vw, 22px); color: var(--muted); max-width: 720px; margin: 0 auto 30px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.button {
  display: inline-block; padding: 12px 22px; border-radius: 980px; font-weight: 600; font-size: 16px;
  background: var(--accent); color: var(--accent-text);
}
.button:hover { text-decoration: none; filter: brightness(1.08); }
.button.secondary { background: var(--bg-soft); color: var(--text); border: 1px solid var(--line); }
.note { color: var(--muted); font-size: 14px; margin-top: 14px; }

.shot { border-radius: 14px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.hero .shot { margin: 46px auto 0; max-width: min(1000px, 100%); }
.hero picture { display: block; }

/* Features */
section.feature { padding: 70px 0; border-top: 1px solid var(--line); }
section.feature .wrap { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; align-items: center; }
section.feature.flip .wrap { grid-template-columns: 1.25fr 1fr; }
section.feature.flip .text { order: 2; }
.kicker { color: var(--accent); font-weight: 600; font-size: 14px; text-transform: uppercase; letter-spacing: 0.06em; }
section.feature h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.12; letter-spacing: -0.015em; margin: 8px 0 16px; }
section.feature p { color: var(--muted); margin: 0 0 12px; }
section.feature ul { color: var(--muted); padding-left: 20px; margin: 0; }
section.feature li { margin: 4px 0; }
.stack { display: grid; gap: 18px; }

/* Grid of smaller points */
section.grid { padding: 70px 0; border-top: 1px solid var(--line); background: var(--bg-soft); }
section.grid h2 { text-align: center; font-size: clamp(28px, 3.4vw, 40px); margin: 0 0 36px; letter-spacing: -0.015em; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* Legal and support pages */
main.doc { max-width: 760px; margin: 0 auto; padding: 56px 20px 80px; }
main.doc h1 { font-size: clamp(32px, 4vw, 44px); letter-spacing: -0.015em; margin: 0 0 6px; }
main.doc .updated { color: var(--muted); margin: 0 0 30px; }
main.doc h2 { font-size: 24px; margin: 40px 0 10px; letter-spacing: -0.01em; }
main.doc h3 { font-size: 18px; margin: 24px 0 6px; }
main.doc p, main.doc li { color: var(--text); }
main.doc .summary { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; }
main.doc .summary ul { margin: 8px 0 0; padding-left: 20px; }
main.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
main.doc th, main.doc td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
main.doc th { color: var(--muted); font-weight: 600; }
code { font: 14px ui-monospace, "SF Mono", Menlo, monospace; background: var(--bg-soft); padding: 1px 6px; border-radius: 6px; }

/* Footer */
footer.site { border-top: 1px solid var(--line); padding: 30px 0 46px; color: var(--muted); font-size: 14px; }
footer.site .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer.site a { color: var(--muted); margin-right: 18px; }

@media (max-width: 820px) {
  section.feature .wrap, section.feature.flip .wrap { grid-template-columns: 1fr; gap: 26px; }
  section.feature.flip .text { order: 0; }
  .cards { grid-template-columns: 1fr; }
  nav.site a { margin-left: 14px; }
  .hero { padding-top: 48px; }
  .hero h1 br { display: none; }
}