* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', sans-serif;
  background: radial-gradient(circle at top, #111 0%, #000 70%);
  color: #fff;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ================= INTRO ================= */
.intro {
  position: fixed;
  inset: 0;
  background: #000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10;
}

.vault-title {
  font-family: 'Cinzel', serif;
  font-size: 2.5rem;
  letter-spacing: 4px;
  text-align: center;
}

.countdown {
  margin-top: 20px;
  font-size: 3rem;
  color: #d4af37;
  text-shadow: 0 0 20px rgba(212,175,55,0.8);
}

/* ================= VAULT ================= */
.hidden {
  display: none;
}

.vault {
  padding: 80px 20px;
  text-align: center;
  animation: fadeIn 2s ease forwards;
}

.vault-sub {
  margin-top: 10px;
  opacity: 0.8;
}

.glow {
  color: #d4af37;
  text-shadow: 0 0 25px rgba(212,175,55,0.9);
}

/* ================= GRID ================= */
.vault-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

/* ================= CARDS ================= */
.vault-card {
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(212,175,55,0.3);
  padding: 30px 20px;
  border-radius: 16px;
  box-shadow: 0 0 30px rgba(212,175,55,0.15);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.vault-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 45px rgba(212,175,55,0.6);
}

.vault-card h2 {
  font-family: 'Cinzel', serif;
  margin-bottom: 10px;
}

.price {
  display: block;
  margin: 15px 0;
  color: #d4af37;
  font-size: 1.2rem;
}

/* ================= BUTTON ================= */
.vault-btn {
  display: inline-block;
  margin-top: 10px;
  padding: 12px 26px;
  border-radius: 30px;
  background: linear-gradient(135deg, #d4af37, #b08d2c);
  color: #000;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 0 20px rgba(212,175,55,0.8);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.vault-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 35px rgba(212,175,55,1);
}

/* ================= LOCKED ================= */
.locked {
  opacity: 0.5;
  pointer-events: none;
}

.locked-btn {
  background: #333;
  color: #aaa;
  box-shadow: none;
}

/* ================= ANIMATIONS ================= */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}