:root {
  color-scheme: light;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #171717;
  background: #f4f5f7;
}

* { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; }
main { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 56px 0 72px; }
header { margin-bottom: 36px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #171717; font-weight: 800; text-decoration: none; }
.mark { display: grid; place-items: center; width: 38px; height: 38px; border: 2px solid #171717; border-radius: 8px; background: #ffd84d; }
h1 { margin: 28px 0 8px; font-size: clamp(34px, 7vw, 52px); line-height: 1.05; letter-spacing: 0; }
h2 { margin: 32px 0 8px; font-size: 21px; letter-spacing: 0; }
p, li { color: #444; }
.meta { margin: 0; color: #6b7280; }
.panel { padding: 28px; border: 2px solid #171717; border-radius: 8px; background: #fff; box-shadow: 6px 6px 0 #171717; }
a { color: #075fd8; }
nav { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 40px; padding-top: 24px; border-top: 1px solid #ddd; }
nav a { color: #444; font-weight: 700; }
ul { padding-left: 22px; }
@media (max-width: 520px) { main { padding-top: 32px; } .panel { padding: 22px; box-shadow: 4px 4px 0 #171717; } }