*, *::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;
}

/* Fade-up animation for hero */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-up {
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Scroll reveal — progressive enhancement via JS */
.scroll-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Navbar scroll state */
.navbar-scrolled {
  background: rgba(26, 26, 26, 0.95) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #1a1a1a;
}
::-webkit-scrollbar-thumb {
  background: #4a4a4a;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #ff6b35;
}

/* Selection color */
::selection {
  background: rgba(255, 107, 53, 0.3);
  color: #1a1a1a;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .scroll-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
  .animate-fade-up {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* Focus visible */
:focus-visible {
  outline: 2px solid #ff6b35;
  outline-offset: 2px;
}

/* Image loading placeholder */
img {
  background-color: #ebe0cc;
}