:root { color-scheme: light dark; --fundo: #f6f5f2; --texto: #1c1b19; --suave: #5f5c56; --destaque: #d4461c; }
@media (prefers-color-scheme: dark) { :root { --fundo: #141312; --texto: #f2f0ec; --suave: #a8a49c; --destaque: #f06a3e; } }
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { display: grid; place-items: center; padding: 24px; background: var(--fundo); color: var(--texto);
       font: 18px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 32rem; text-align: center; }
.marca { margin: 0 0 8px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--destaque); font-size: .9rem; }
h1 { margin: 0 0 12px; font-size: clamp(2.25rem, 8vw, 3.5rem); line-height: 1.1; }
p { margin: 0; color: var(--suave); }