:root {
  --bg: #fbfbfa; --fg: #1d1d1b; --muted: #5f5f5a; --line: #e6e5e1;
  --accent: #3b5bdb; --accent-soft: #edf1ff; --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #131312; --fg: #ecebe7; --muted: #a3a29c; --line: #2a2a27;
          --accent: #8ea6ff; --accent-soft: #1c2240; --card: #1a1a18; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}
a { color: var(--accent); text-underline-offset: 3px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { font-weight: 700; letter-spacing: -0.02em; color: var(--fg); text-decoration: none; display: flex; align-items: center; gap: 10px; }
.logo span { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--accent); color: #fff; font-size: 15px; }
nav { display: flex; gap: 18px; font-size: 15px; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--fg); }
main { padding: 56px 0 72px; }
h1 { font-size: clamp(30px, 5vw, 42px); line-height: 1.15; letter-spacing: -0.03em; margin: 0 0 16px; }
h2 { font-size: 21px; letter-spacing: -0.01em; margin: 40px 0 8px; }
.lead { font-size: 19px; color: var(--muted); margin: 0 0 32px; }
.meta { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; margin: 16px 0; }
.card h3 { margin: 0 0 6px; font-size: 19px; }
.card p { margin: 0 0 12px; color: var(--muted); }
.pill { display: inline-block; font-size: 13px; padding: 2px 10px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); margin-bottom: 10px; }
.btn { display: inline-block; background: var(--accent); color: #fff; padding: 10px 18px; border-radius: 10px; text-decoration: none; font-weight: 600; }
ul.features { padding-left: 20px; }
ul.features li { margin: 6px 0; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 28px 0 40px; }
footer p { margin: 4px 0; }