/* Base & Utilities */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

/* Scroll Reveal */
.scroll-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: no-preference) {
  .scroll-reveal {
    opacity: 0;
    transform: translateY(24px);
  }
  .scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade In Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.8s ease forwards;
}

/* Geometric decorative shapes */
.geo-shape {
  position: absolute;
  pointer-events: none;
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #1a1a2e;
}
::-webkit-scrollbar-thumb {
  background: #3d3d5c;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #ff6b6b;
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #ff6b6b;
  outline-offset: 2px;
}

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

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}