:root { color-scheme: light; font-family: system-ui, sans-serif; color: #142e30; background: #f2f5f3; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; }
main { max-width: 700px; padding: 48px 28px; }
.brand { color: #23745e; letter-spacing: .12em; font-size: .8rem; font-weight: 700; }
h1 { font-size: clamp(2rem, 6vw, 3.5rem); line-height: 1.15; }
p { line-height: 1.8; }
.note { color: #536c65; }