:root {
  --ocean: #0A1A24; --surface: #12293A; --foam: #EAF4F4; --mist: #C9D9E0; --muted: #9DB4BF;
  --wave: #3FD8C8; --wave-ink: #00131A;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ocean); color: var(--mist);
  font: 17px/1.6 "Manrope", system-ui, -apple-system, sans-serif;
}
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: 14px; }
header a { color: var(--foam); text-decoration: none; font: 700 24px/1 "Bricolage Grotesque", system-ui, sans-serif; }
h1, h2 { color: var(--foam); font-family: "Bricolage Grotesque", system-ui, sans-serif; line-height: 1.15; }
h1 { font-size: 36px; margin: 0 0 8px; }
h2 { font-size: 22px; margin: 36px 0 8px; }
p, li { max-width: 65ch; }
a { color: var(--wave); }
strong { color: var(--foam); }
.lead { font-size: 19px; color: var(--foam); }
.muted { color: var(--muted); font-size: 15px; }
.card { background: var(--surface); border-radius: 20px; padding: 18px 20px; margin: 16px 0; }
.button {
  display: inline-block; background: var(--wave); color: var(--wave-ink); font-weight: 800;
  padding: 14px 22px; border-radius: 14px; text-decoration: none; margin: 8px 12px 8px 0;
}
nav { margin-top: 48px; border-top: 1px solid var(--surface); padding-top: 20px; font-size: 15px; }
nav a { margin-right: 18px; }
.card h2 { margin-top: 0; }