:root {
  --navy: #0a1d37;
  --gold: #c5a059;
  --parchment: #f4f1ea;
}

.glass-nav {
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.auction-gradient {
  background: linear-gradient(135deg, #0a1d37 0%, #1c365a 100%);
}

.mobile-menu {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 280ms ease, opacity 220ms ease;
}

.mobile-menu.is-open {
  max-height: 24rem;
  opacity: 1;
}

.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-orb {
  animation: drift 7s ease-in-out infinite;
}

.hero-orb-delayed {
  animation: drift 8s ease-in-out -3s infinite;
}

@keyframes drift {
  50% { transform: translateY(-14px); }
}

@media (max-width: 767px) {
  .floating-nav {
    border-radius: 9999px;
  }

  .floating-nav.menu-open {
    border-radius: 1.5rem;
  }

  .hero-image {
    max-height: 34rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}