body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: #0b0b0c; color: #f2f3f5; font: 18px/1.6 system-ui, sans-serif; }
main { max-width: 34rem; padding: 2rem; text-align: center; }
.marca { color: #4ade80; font-weight: 700; letter-spacing: .04em; }
h1 { font-size: clamp(2.5rem, 8vw, 4.5rem); margin: .2em 0; }