:root { --azul: #1d2b6b; --naranja: #ff9d1a; --fondo: #f4f7fb; --texto: #2b2d42; --gris: #5c6680; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--fondo); color: var(--texto); line-height: 1.6; }
header { background: linear-gradient(135deg, #2f80ff, var(--azul)); color: #fff; padding: 40px 16px 32px; text-align: center; }
header h1 { margin: 0; font-size: 2.2rem; }
header p { margin: 8px 0 0; opacity: .9; }
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }
h2 { color: var(--azul); margin-top: 32px; }
a { color: #2f80ff; }
.tarjeta { background: #fff; border-radius: 16px; padding: 20px 24px; box-shadow: 0 4px 14px rgba(0,0,0,.06); margin: 16px 0; }
.boton { display: inline-block; background: var(--naranja); color: #fff; padding: 12px 22px; border-radius: 12px; text-decoration: none; font-weight: 700; margin: 6px 6px 0 0; }
.idioma { text-align: right; font-size: .9rem; }
footer { text-align: center; color: var(--gris); font-size: .85rem; padding: 24px 16px; }
small { color: var(--gris); }