*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  overflow-x: hidden;
}

/* Reveal animations */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  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-left {
  opacity: 0;
  transform: translateX(-40px);
  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-right {
  opacity: 0;
  transform: translateX(40px);
  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-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Stagger delays for grid children */
.reveal-up:nth-child(2) { transition-delay: 100ms; }
.reveal-up:nth-child(3) { transition-delay: 200ms; }
.reveal-up:nth-child(4) { transition-delay: 300ms; }

/* Navbar scroll state */
.nav-scrolled {
  background: rgba(15, 26, 46, 0.95) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Mobile menu open state */
.mobile-menu-open #mobile-menu {
  opacity: 1 !important;
  pointer-events: all !important;
}

.mobile-menu-open #bar1 {
  transform: translateY(5px) rotate(45deg);
}

.mobile-menu-open #bar2 {
  opacity: 0;
}

.mobile-menu-open #bar3 {
  transform: translateY(-5px) rotate(-45deg);
  width: 1.5rem;
}

/* Mobile links */
.mobile-link {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

.mobile-menu-open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu-open .mobile-link:nth-child(1) { transition-delay: 100ms; }
.mobile-menu-open .mobile-link:nth-child(2) { transition-delay: 150ms; }
.mobile-menu-open .mobile-link:nth-child(3) { transition-delay: 200ms; }
.mobile-menu-open .mobile-link:nth-child(4) { transition-delay: 250ms; }
.mobile-menu-open .mobile-link:nth-child(5) { transition-delay: 300ms; }

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #0F1A2E;
}

::-webkit-scrollbar-thumb {
  background: rgba(200, 164, 92, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(200, 164, 92, 0.5);
}

/* Selection */
::selection {
  background: rgba(200, 164, 92, 0.3);
  color: #1B2A4A;
}

/* Input placeholder styling */
input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.2);
}

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

/* Focus visible for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #C8A45C;
  outline-offset: 2px;
}