/* Base & Typography */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background-color: #A7F3D0;
  color: #050D1A;
}

/* Scroll Reveal Animations */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up {
  transform: translateY(0);
}

.reveal-left {
  transform: translateX(0);
}

.reveal-right {
  transform: translateX(0);
}

@media (prefers-reduced-motion: no-preference) {
  .reveal-up {
    opacity: 0;
    transform: translateY(40px);
  }

  .reveal-left {
    opacity: 0;
    transform: translateX(-40px);
  }

  .reveal-right {
    opacity: 0;
    transform: translateX(40px);
  }
}

/* Hero reveal on load (above the fold — always visible) */
.reveal-up {
  animation: heroReveal 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.reveal-up:nth-child(2) { animation-delay: 0.15s; }
.reveal-up:nth-child(3) { animation-delay: 0.3s; }
.reveal-up:nth-child(4) { animation-delay: 0.45s; }

@keyframes heroReveal {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Nav transition */
nav.scrolled {
  background-color: rgba(5, 13, 26, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

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

.mobile-menu-open body {
  overflow: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #050D1A;
}

::-webkit-scrollbar-thumb {
  background: #1A3A5C;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #A7F3D0;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
  outline: 2px solid #A7F3D0;
  outline-offset: 2px;
  border-radius: 4px;
}