/* Custom styles — overrides and enhancements beyond Tailwind */

/* Scroll reveal base state (visible by default — JS adds animation) */
.reveal {
  opacity: 1;
  transform: none;
  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);
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(32px);
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
}

/* Navbar transition */
#nav.scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0f172a;
}
::-webkit-scrollbar-thumb {
  background: #14b8a6;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #2dd4bf;
}

/* Selection color */
::selection {
  background: #14b8a6;
  color: #fff;
}

/* Focus visible for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid #14b8a6;
  outline-offset: 2px;
}