/* Sponsor rows follow each page's existing content grid and glass surface. */
.grand-sponsors-section {
  /* The smallest card remains at least 45px tall, with exact row ratios. */
  --sponsor-top-height: clamp(18rem, 32vw, 20rem);
  width: 100%;
}
.grand-sponsors-inner {
  width: 100%;
  margin-inline: auto;
}
.grand-sponsors-inner > h2 {
  font-size: clamp(2rem, 5vw, 3.75rem);
  overflow-wrap: anywhere;
}
.grand-sponsors {
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 1.25vw, 1.25rem);
  width: 100%;
  margin-top: clamp(1.25rem, 2vw, 2rem);
}
.grand-sponsors-row {
  --sponsor-row-height: calc(var(--sponsor-top-height) * var(--sponsor-scale, 1));
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: clamp(0.75rem, 1.25vw, 1rem);
  width: 100%;
  max-width: 48rem;
  margin-inline: auto;
}
.grand-sponsor-card {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 0;
  min-height: 0;
  height: var(--sponsor-row-height);
  padding: calc(var(--sponsor-row-height) * 0.05);
  border-radius: 1rem;
  color: #7f1d1d;
  text-decoration: none;
  isolation: isolate;
  transition: transform 300ms ease;
}
/* A restrained light sweep and logo zoom keep the presentation calm. */
.grand-sponsor-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 25%, rgba(255,255,255,0.30) 50%, transparent 75%);
  transform: translateX(-110%);
  transition: transform 700ms ease;
  pointer-events: none;
}
.grand-sponsor-card img {
  transform: scale(1);
  transition: transform 450ms cubic-bezier(0.2, 0.7, 0.3, 1);
}
@media (hover: hover) and (pointer: fine) {
  .grand-sponsor-card:hover { transform: translateY(-3px); }
  .grand-sponsor-card:hover img { transform: scale(1.035); }
  .grand-sponsor-card:hover::after { transform: translateX(110%); }
}
.grand-sponsor-card:focus-visible img { transform: scale(1.035); }
.grand-sponsor-card:focus-visible::after { transform: translateX(110%); }
.grand-sponsor-card:focus-visible { outline: 3px solid #b91c1c; outline-offset: 4px; }
.grand-sponsor-card img, .grand-sponsor-placeholder {
  display: block;
  width: 100%;
  max-width: 100%;
  min-height: 0;
  height: 100%;
  object-fit: contain;
}
/* Keep the small Edgewater source at its natural size and proportions. */
.grand-sponsor-card-edgewater img {
  width: 300px;
  max-width: 100%;
  height: auto;
  max-height: 100%;
  aspect-ratio: 300 / 59;
}
.grand-sponsor-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 1.75rem;
  font-weight: 700;
}
/* Preserve each row's sponsor grouping on mobile as well as desktop.
   minmax(0, 1fr) lets paired cards share narrow screens without overflow. */
@media (prefers-reduced-motion: reduce) {
  .grand-sponsor-card,
  .grand-sponsor-card img,
  .grand-sponsor-card::after { transition: none; }
  .grand-sponsor-card:hover,
  .grand-sponsor-card:hover img,
  .grand-sponsor-card:focus-visible img { transform: none; }
  .grand-sponsor-card::after { display: none; }
}