:root { color-scheme: light; font-family: Arial, Helvetica, sans-serif; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: #202124; font-size: 19px; line-height: 1.7; }
.page { width: min(100% - 48px, 640px); margin: 0 auto; }
main { padding-top: 52px; }
a { color: #315ab1; text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: #193c84; }
a:focus-visible { outline: 3px solid #7ba4ff; outline-offset: 4px; border-radius: 2px; }
h1 { margin: 8px 0 20px; color: #111; font-size: clamp(43px, 8vw, 58px); line-height: 1.12; letter-spacing: -0.055em; font-weight: 750; }
p { margin: 0 0 24px; }
.intro { margin-bottom: 28px; }
section { border-top: 1px solid #ddd; padding-top: 32px; }
footer { border-top: 1px solid #ddd; margin-top: 70px; padding: 20px 0 38px; color: #6f7278; font-size: 14px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 600px) { body { font-size: 18px; } .page { width: min(100% - 36px, 640px); } main { padding-top: 28px; } }