:root{color-scheme:light;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#182b35;background:#f4f7f8}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:880px;margin:auto;padding:28px}header{display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid #d4e0e5}a{color:#006b75;text-underline-offset:4px}nav{display:flex;gap:20px;flex-wrap:wrap}h1{font-size:clamp(2rem,5vw,3rem);line-height:1.2;letter-spacing:-.03em}h2{font-size:1.25rem;margin-top:32px}p,li{line-height:1.85}main{min-height:65vh;padding-top:44px;padding-bottom:56px}.tag{font-size:.8rem;color:#38606c;letter-spacing:.1em;text-transform:uppercase}.card{background:white;border:1px solid #d4e0e5;border-radius:16px;padding:24px;margin:24px 0}footer{border-top:1px solid #d4e0e5;color:#516a75;font-size:.9rem}.muted{color:#516a75}@media(max-width:600px){header{align-items:flex-start;flex-direction:column}header,main,footer{padding:24px}}