:root { --green: #1b7a4d; --ink: #1d1d1f; --muted: #5f6368; --bg: #ffffff; --card: #f4f6f5; }
@media (prefers-color-scheme: dark) { :root { --green: #4abf7a; --ink: #f5f5f7; --muted: #a1a1a6; --bg: #111; --card: #1c1f1d; } }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
main { max-width: 720px; margin: 0 auto; padding: 32px 20px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
header img { width: 56px; height: 56px; border-radius: 13px; }
header a { color: inherit; text-decoration: none; font-weight: 700; font-size: 22px; }
nav { margin-left: auto; display: flex; gap: 18px; font-size: 15px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current] { color: var(--green); }
h1 { font-size: 34px; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 21px; margin: 32px 0 8px; }
p, li { color: var(--ink); }
.lead { font-size: 20px; color: var(--muted); }
.card { background: var(--card); border-radius: 14px; padding: 18px 20px; margin: 18px 0; }
.features { list-style: none; padding: 0; display: grid; gap: 12px; }
.features li { background: var(--card); border-radius: 12px; padding: 14px 16px; }
.features strong { display: block; }
a { color: var(--green); }
footer { margin-top: 48px; font-size: 14px; color: var(--muted); border-top: 1px solid var(--card); padding-top: 16px; }