/* Base & Utilities */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(251, 191, 36, 0.3);
  color: #fbbf24;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #040811;
}
::-webkit-scrollbar-thumb {
  background: #142c48;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #1e3a5f;
}

/* Reveal Animations - Progressive Enhancement */
@media (prefers-reduced-motion: no-preference) {
  .reveal-up {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .reveal-left {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .reveal-right {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }
}

/* Initial state for JS-gated reveals (enhancement only) */
.js-reveal .reveal-up,
.js-reveal .reveal-left,
.js-reveal .reveal-right {
  opacity: 0;
}
.js-reveal .reveal-up { transform: translateY(30px); }
.js-reveal .reveal-left { transform: translateX(-30px); }
.js-reveal .reveal-right { transform: translateX(30px); }

.js-reveal .reveal-up.revealed,
.js-reveal .reveal-left.revealed,
.js-reveal .reveal-right.revealed {
  opacity: 1;
  transform: translateY(0) translateX(0);
}

/* Navbar scroll state */
.nav-scrolled {
  background: rgba(4, 8, 17, 0.9) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Gold shimmer animation */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Pulse for hero orbs */
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

/* Mobile menu transitions */
#mobileMenu {
  animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Input focus styles */
input:focus, textarea:focus {
  outline: none;
}

/* Smooth image loading */
img {
  transition: opacity 0.3s ease;
}