/* === Base & Typography === */
html {
  scroll-behavior: smooth;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(201, 168, 76, 0.3);
  color: #f0f4f8;
}

/* === Scroll Reveal === */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal[data-reveal="hidden"] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* === Navbar === */
#navbar {
  background: transparent;
}

#navbar.scrolled {
  background: rgba(6, 20, 40, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1);
}

#navbar.scrolled a:not(.bg-gold-500) {
  color: #dce6f0;
}

/* === Mobile Menu === */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

#mobile-menu.open .mobile-link {
  animation: fadeUp 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === Hero Gradient Animation === */
@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

#hero {
  background: linear-gradient(135deg, #030b16 0%, #0a1f3f 35%, #1e4462 65%, #0a1f3f 100%);
  background-size: 400% 400%;
  animation: gradientShift 20s ease infinite;
}

/* === Gold shimmer on hover === */
a:hover, button:hover {
  -webkit-tap-highlight-color: transparent;
}

/* === Image loading === */
img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* === Focus styles === */
a:focus-visible, button:focus-visible {
  outline: 2px solid #c9a84c;
  outline-offset: 4px;
  border-radius: 4px;
}

/* === Custom scrollbar === */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #061428;
}
::-webkit-scrollbar-thumb {
  background: #1e4462;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #c9a84c;
}

/* === Product card hover glow === */
.group:hover .group-hover\:scale-110 {
  will-change: transform;
}

/* === Smooth image transitions === */
.rounded-xl img,
.rounded-2xl img {
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}