:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  background: #090909;
  color: #f5f5f5;
}

* { box-sizing: border-box; }
body { margin: 0; }
main { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 64px 0 80px; }
header { display: flex; gap: 22px; align-items: center; margin-bottom: 56px; }
.icon { width: 92px; height: 92px; border-radius: 22%; box-shadow: 0 18px 48px #000; }
h1 { font-size: clamp(2rem, 8vw, 3.4rem); letter-spacing: .08em; margin: 0; }
h2 { margin-top: 2.5rem; }
p, li { color: #c8c8c8; line-height: 1.65; }
a { color: #fff; text-underline-offset: 4px; }
.tagline { margin: 5px 0 0; color: #8f8f8f; }
.card { padding: 22px; border: 1px solid #2b2b2b; border-radius: 18px; background: #111; }
nav { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 30px; }
small { color: #777; }