/* =====================
🌌 Background & Base
====================== */
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #121521, #1d356d, #6b0715, #dc957d);
  background-size: 400% 400%;
  animation: gradientAnimation 20s ease infinite;
}

@keyframes gradientAnimation {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.sponsors-section {
  padding: 80px 30px;
  background: inherit;
  text-align: center;
  color: #6e89f5;
}

/* =====================
📢 Heading Styles
====================== */
.sponsors-heading h2 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 0.3em;
  color: #a8c1ff;
}

.sponsors-heading p {
  font-size: 1.2rem;
  color: #b3efff;
  margin-bottom: 2.5em;
}

/* =====================
🏆 Sponsor Tiers
====================== */
.sponsor-tier {
  margin-bottom: 4rem;
}

/* Animated Tier Titles */
.tier-title {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  display: inline-block;
  position: relative;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  border-bottom: 2px solid transparent;
}

/* 🎖 Platinum */
.tier-title.platinum {
  background-image: linear-gradient(90deg, #33cfff, #005a9c);
  border-color: #33cfff;
  animation: glowBlue 2s infinite alternate;
}

@keyframes glowBlue {
  0% { text-shadow: 0 0 5px #33cfff, 0 0 10px #005a9c; }
  100% { text-shadow: 0 0 10px #33cfff, 0 0 20px #005a9c; }
}

/* 🥇 Gold */
.tier-title.gold {
  background-image: linear-gradient(90deg, #ffe270, #d4af37);
  border-color: #d4af37;
  animation: glowGold 2s infinite alternate;
}

@keyframes glowGold {
  0% { text-shadow: 0 0 6px #ffeb80, 0 0 12px #d4af37; }
  100% { text-shadow: 0 0 10px #ffdf00, 0 0 20px #b8860b; }
}

/* 🥈 Silver */
.tier-title.silver {
  background-image: linear-gradient(90deg, #f0f0f0, #c0c0c0);
  border-color: #c0c0c0;
  animation: silverShine 3s linear infinite;
  background-size: 200%;
}

@keyframes silverShine {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* 🤝 Partners */
.tier-title.partners {
  background-image: linear-gradient(90deg, #81e6f0, #3b8ea5);
  border-color: #3b8ea5;
  animation: glowPartner 2s infinite alternate;
}

@keyframes glowPartner {
  0% { text-shadow: 0 0 5px #81e6f0, 0 0 8px #3b8ea5; }
  100% { text-shadow: 0 0 10px #81e6f0, 0 0 14px #3b8ea5; }
}

/* =====================
🎁 Sponsor Cards
====================== */
.sponsor-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-top: 20px;
}

.sponsor-card {
  background: rgba(255, 255, 255, 0.95);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  max-width: 250px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.sponsor-card:hover {
  transform: translateY(-8px) scale(1.05);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.sponsor-card img {
  width: 200px;
  height: 200px;
  object-fit: contain;
}

.sponsor-text {
  margin-top: 12px;
  font-size: 0.9rem;
  color: #333;
  font-weight: 500;
  text-align: center;
  line-height: 1.4;
}

.sponsor-card a {
  display: inline-block;
}

.sponsor-card a img {
  display: block;
  width: 160px;
  height: 100px;
}

/* =====================
📱 Responsive Design
====================== */
@media (max-width: 992px) {
  .sponsors-heading h2 {
    font-size: 2.2rem;
  }

  .sponsor-card {
    max-width: 160px;
  }

  .sponsor-card img {
    width: 120px;
    height: 120px;
  }
}

@media (max-width: 600px) {
  .sponsors-heading p {
    font-size: 1rem;
  }

  .sponsor-card {
    padding: 15px;
    max-width: 130px;
  }

  .sponsor-card img {
    width: 100px;
    height: 100px;
  }
}