.sponsors-page {
  padding-block: clamp(28px, 6vh, 56px) 64px;
}

.sponsor-tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.sponsor-tier {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.sponsor-tier.featured {
  border-color: rgba(26, 111, 181, 0.45);
  box-shadow: 0 14px 36px rgba(14, 79, 138, 0.12);
}

.sponsor-tier .tier-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: var(--green);
  padding: 4px 10px;
  border-radius: 999px;
}

.sponsor-tier .tier-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 8px;
}

.sponsor-tier .tier-pill {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--green);
  background: rgba(46, 165, 111, 0.1);
  border: 1px solid rgba(31, 138, 91, 0.25);
  padding: 4px 10px;
  border-radius: 999px;
}

.sponsor-tier ul {
  flex: 1;
  margin-bottom: 6px;
}

.sponsor-tier .btn {
  margin-top: auto;
  width: 100%;
}

.sponsor-checkout {
  margin-bottom: 20px;
}

.sponsor-checkout h3 {
  margin-bottom: 8px;
}

.checkout-summary {
  margin-bottom: 16px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(26, 111, 181, 0.06);
  border: 1px solid rgba(26, 111, 181, 0.18);
}

.checkout-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.checkout-actions .btn-gold {
  flex: 1 1 180px;
}

.sponsor-voluntary {
  margin-bottom: 16px;
}

.sponsor-voluntary h3 {
  margin-bottom: 8px;
}

@media (max-width: 560px) {
  .checkout-actions .btn {
    flex: 1 1 100%;
  }
}