/* 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,
.travel-partners-title {
  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; }
}

/* Shared glass surface also supports standalone festival pages. */
.grand-sponsor-card.liquid-glass {
  /* Semi-transparent so the cream background bleeds through — that's the "glass" */
  background:
    linear-gradient(150deg,
      rgba(255,255,255,0.32) 0%,
      rgba(255,248,242,0.14) 45%,
      rgba(255,255,255,0.06) 100%),
    rgba(255,255,255,0.48);
  backdrop-filter: blur(24px) saturate(180%) brightness(1.03);
  -webkit-backdrop-filter: blur(24px) saturate(180%) brightness(1.03);
  border: none;
  box-shadow:
    /* Crisp bright top edge — the definitive glass highlight */
    inset 0 2px 0 rgba(255,255,255,0.95),
    /* Subtle bottom inner shadow for depth */
    inset 0 -1px 0 rgba(0,0,0,0.06),
    /* Contact shadow — tight and dark */
    0 1px 3px rgba(0,0,0,0.08),
    /* Main elevation shadow */
    0 6px 20px rgba(0,0,0,0.13),
    /* Wide ambient shadow */
    0 22px 56px rgba(0,0,0,0.08);
  position: relative;
  overflow: hidden;
}
/* Diagonal specular rim: bright top-left → dark midpoint → bright bottom-right */
.grand-sponsor-card.liquid-glass::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: linear-gradient(135deg,
    rgba(255,255,255,1.00)  0%,
    rgba(255,255,255,0.75) 15%,
    rgba(255,255,255,0.20) 38%,
    rgba(0,0,0,0.10)       52%,
    rgba(255,255,255,0.18) 66%,
    rgba(255,255,255,0.72) 85%,
    rgba(255,255,255,1.00) 100%);
  /* Webkit/Safari/Chrome/Edge */
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  /* Firefox ≥ 103 (standard) */
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
}


.festival-sponsors-heading, .festival-sponsors-action { text-align: center; }
.festival-sponsors-action { margin-top: 2rem; }

.travel-partners { margin-top: 1.5rem; }
.travel-partners-title {
  margin: 0 0 1rem;
  text-align: center;
  color: #1F2937;
  font-weight: 800;
}
.home-scroll-section .travel-partners-title {
  color: #FFF7ED;
  line-height: 0.95;
  letter-spacing: 0;
}
#sponsors.grand-sponsors-section .travel-partners-title {
  color: var(--red);
  font-size: clamp(30px, 3.5vw, 46px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -1.4px;
}
.travel-partners-row { --sponsor-row-height: clamp(7rem, 16vw, 10rem); }