.sponsor-page {
  background: #fff;
}

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px;
}

.sponsor-hero{
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 36px;
  align-items: stretch;
}

.card-blue {
  background: #0B4DA2;
  color: #fff;
  border-radius: 24px;
  padding: 32px 28px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.08);
}

.hero-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: .3px;
  margin: 4px 0 10px;
}

.hero-text {
  font-size: clamp( 1rem, 1.6vw, 1.2rem);
  line-height: 1.65;
  margin: 12px 0;
}

.hero-right {
  display: flex;
}

.sponsor-slideshow {
  position: relative;
  width: 100%;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0,0,0,0.08);
  background: #ddd;
  aspect-ratio: 4 / 3;
  --dur: 24s;
  --count: 3;
  --step: calc(var(--dur) / var(--count));
}

.sponsor-slideshow img {
  position: absolute; 
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: sponsorFade var(--dur) linear infinite;
  animation-delay: calc(var(--i) * var(--step));
  will-change: opacity;
}

@keyframes sponsorFade{
  0%, 8%   { opacity:0; }
  12%, 38% { opacity:1; }
  42%,100% { opacity:0; }
}

.nav-link.active {
    color: #BF5700; 
    font-weight: bold;
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  text-align: center;
  margin: 4px 0 18px;
  color: #BF5700;
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

.logo-card {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(0,0,0,0.08);
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  transition: transform .18s ease, box-shadow .18s ease;
}

.logo-card img {
  max-width: 80%;
  max-height: 80%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.cta-sponsor { padding-top: 12px; padding-bottom: 60px; }

.cta-card{
  background:#fff;
  border-radius:24px;
  box-shadow:0 16px 36px rgba(0,0,0,.08);
  padding:36px 28px;
  text-align:center;
}

.cta-title{
  font-size:clamp(2rem, 4.8vw, 3.2rem);
  font-weight:900;
  color:#A35A23;           /* burnt orange vibe for headline */
  letter-spacing:.3px;
  margin:0 0 6px;
}

.cta-rule{
  width:min(820px, 70%);
  height:2px;
  background:#d9d9d9;
  border:0;
  margin:8px auto 18px;
}

.cta-text{
  max-width: 980px;
  margin: 0 auto 22px;
  font-size:clamp(1.05rem, 1.8vw, 1.35rem);
  line-height:1.65;
  color:#111;
}

.cta-link{
  color:#A35A23;
  font-weight:800;
  text-decoration:underline;
  text-underline-offset:3px;
}

/* Button */
.btn-csp{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  padding:14px 20px;
  border-radius:999px;
  background:#BF5700;     /* UT burnt orange */
  color:#fff;
  font-weight:800;
  letter-spacing:.2px;
  text-decoration:none;
  box-shadow:0 10px 24px rgba(191,87,0,.25);
  transition:transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn-csp:hover{
  background:#a64c00;
  transform:translateY(-2px);
  box-shadow:0 14px 28px rgba(191,87,0,.28);
}
.btn-csp:active{ transform:translateY(0); box-shadow:0 8px 20px rgba(191,87,0,.20); }
.btn-csp i{ font-size:1.1em; }


@media (max-width: 768px) {
  .sponsor-page .section { padding: 16px !important; }

  /* Tiers / grids */
  .sponsor-tiers, .tiers-grid, .csp-grid {
    display: grid; grid-template-columns: 1fr !important; gap: 16px !important;
  }
  .tier-card, .csp-card { width: 100% !important; }

  /* Logo walls wrap nicely */
  .sponsor-wall, .logo-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
  }
  @supports (grid-template-columns: 1fr) {
    .sponsor-wall, .logo-grid { grid-template-columns: 1fr; }
  }
  .sponsor-wall img, .logo-grid img { max-width: 100%; height: auto; object-fit: contain; }

  /* CTA */
  .btn-csp, .btn { width: 100%; }
  .cta { padding: 20px 16px !important; text-align: left; }
}