.sponsor-tiers {
  --tier-purple: #aa80e5;
  --tier-silver: #c4c3dc;
  --tier-gold: #d2c18c;
  --tier-platinum: #8dbbfa;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 32px;
  color: #fafafa;
  font: 18px/1.6 Inter, Arial, sans-serif;
}
.sponsor-tiers h2, .sponsor-tiers h3 {
  font-family: Orbitron, Arial, sans-serif;
  line-height: 1.3;
  margin: 0 0 24px;
}
.sponsor-tiers h2 { font-size: clamp(28px, 4vw, 48px); }
.sponsor-tiers h3 { font-size: clamp(24px, 3vw, 36px); }
.sponsor-tier-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 72px; align-items: start; }
.sponsor-tier-visual {
  position: sticky;
  top: 100px;
  height: calc(100svh - 120px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 40px;
}
.tier-displays { display: grid; width: 100%; }
.tier-display { grid-area: 1 / 1; opacity: 0; visibility: hidden; transition: opacity 180ms ease-out; }
.tier-display[aria-hidden="false"] { opacity: 1; visibility: visible; }
.tier-badge { color: var(--tier-color); font-family: Orbitron, Arial, sans-serif; text-align: center; }
.tier-badge span {
  display: block;
  border: 3px solid currentColor;
  border-radius: 100px;
  padding: 20px 12px;
  font-size: clamp(24px, 3.5vw, 42px);
  font-weight: 700;
}
.tier-badge strong { display: block; width: 65%; margin: -3px auto 0; padding: 12px 4px; border: 3px solid currentColor; border-radius: 0 0 24px 24px; font-size: clamp(20px, 3vw, 30px); }
.sponsor-tier-link { display: inline-block; padding: 12px 24px; border: 1px solid #fafafa; border-radius: 16px; background: #5922e4; color: #fafafa; font-family: Orbitron, Arial, sans-serif; text-decoration: none; }
.sponsor-tier-link:hover { color: #ffcc00; }
.sponsor-tier-link:focus-visible { outline: 2px solid #ffcc00; outline-offset: 5px; }
.sponsor-tier { min-height: calc(100svh - 120px); display: flex; flex-direction: column; justify-content: center; padding: 48px 0; scroll-margin-top: 120px; }
.sponsor-tier p { margin: 0 0 24px; color: #c8c3cf; }
.sponsor-tier ul { margin: 0; padding-left: 24px; }
.sponsor-tier li { margin: 8px 0; }
.sponsor-tier li p { margin: 0; color: inherit; }
.tier-mobile-badge { display: none; }
@media (max-width: 767px) {
  .sponsor-tiers { padding: 32px 20px; font-size: 16px; }
  .sponsor-tier-layout { display: block; }
  .sponsor-tier-visual { position: static; height: auto; margin: 24px 0; }
  .tier-displays { display: none; }
  .sponsor-tier { min-height: 0; padding: 36px 0; border-bottom: 1px solid #333; }
  .sponsor-tier:last-child { border-bottom: 0; }
  .tier-mobile-badge { display: block; max-width: 280px; width: 100%; margin: 0 auto 32px; }
}
@media (prefers-reduced-motion: reduce) {
  .tier-display { transition: none; }
}