body { background: #f6f8fb; }
.hero-sigeva { background: linear-gradient(135deg, #0d6efd 0%, #0a3d91 100%); }
.card { border-radius: 1rem; }
.button, a.button { display: inline-block; padding: .35rem .65rem; border-radius: .35rem; background: #0d6efd; color: #fff !important; text-decoration: none; }
.button:hover, a.button:hover { background: #0b5ed7; }
.pregunta-card { transition: box-shadow .2s ease; }
.pregunta-card:focus-within { box-shadow: 0 .5rem 1rem rgba(13,110,253,.18)!important; }