.hero {
  background: linear-gradient(135deg, #0d6efd 0%, #0b5ed7 60%, #0a58ca 100%);
}
.hero .lead { opacity: .95; }

/* contest cards */
.contest-card .thumb {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  width: 100%;
  border-top-left-radius: .5rem;
  border-top-right-radius: .5rem;
}
.badge-status { font-weight: 600; }

@media (min-width: 992px) {
  .hero img { max-width: 520px; }
}