/* Donation page specifics */
.sponsor-block {
  display: block;
  max-width: 560px;
  margin: 1.8rem auto;
  padding: 2rem;
  text-align: center;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(420px 200px at 50% -20%, rgba(214,51,108,0.14), transparent 70%),
    var(--glass);
  border: 1px solid rgba(214, 51, 108, 0.25);
  box-shadow: var(--shadow-md);
  -webkit-backdrop-filter: var(--blur);
  backdrop-filter: var(--blur);
  color: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.sponsor-block:hover { text-decoration: none; transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.sponsor-block__heart {
  width: 66px; height: 66px; margin: 0 auto 0.8rem;
  display: grid; place-items: center;
  border-radius: 50%;
  font-size: 1.9rem;
  background: linear-gradient(150deg, #ffd9e6, #f7a8c4);
  color: var(--sponsor);
  box-shadow: var(--shadow-sm);
}
.sponsor-block__title { font-size: 1.35rem; font-weight: 800; color: var(--ink-900); margin: 0 0 0.3rem; }
.sponsor-block__sub { color: var(--ink-500); margin: 0 0 1.2rem; }
.sponsor-block__cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(150deg, #e35d8b, var(--sponsor));
  box-shadow: var(--shadow-sm);
}
.sponsor-block__url { display: block; margin-top: 1rem; font-family: var(--mono); font-size: 0.82rem; color: var(--ink-400); }

.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin: 1.6rem 0; }
.tier { padding: 1.2rem; border-radius: var(--radius); background: var(--glass); border: 1px solid var(--glass-border); box-shadow: var(--shadow-sm); text-align: center; }
.tier h3 { margin: 0 0 0.4rem; }
.tier p { margin: 0; color: var(--ink-500); font-size: 0.9rem; }