:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #19252c; background: #eff2f5; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: clamp(1rem, 5vw, 4rem); }
main { width: min(100%, 52rem); padding: clamp(1.5rem, 6vw, 4rem); background: #fff; border: 1px solid #d8dfe7; border-radius: 1.25rem; box-shadow: 0 12px 40px #19252c08; }
.brand { display: flex; align-items: center; gap: .75rem; font-size: 1.15rem; font-weight: 750; }
.mark { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: .8rem; color: #fff; background: #167b53; font-size: .85rem; }
.eyebrow { margin-top: 3.5rem; color: #146b49; font-size: .8rem; font-weight: 750; text-transform: uppercase; letter-spacing: .12em; }
h1 { margin: 1rem 0; font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.12; letter-spacing: -.035em; overflow-wrap: break-word; }
.intro { max-width: 34rem; color: #556570; line-height: 1.7; font-size: 1.1rem; }
footer { margin-top: 3.5rem; padding-top: 1.25rem; border-top: 1px solid #e4e9ee; color: #556570; font-size: .9rem; }
@media (max-width: 400px) { .eyebrow { margin-top: 2.5rem; } h1 { font-size: 1.85rem; } }