*, *::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 (above fold — always visible) */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-up {
  animation: fadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Scroll-reveal — progressive enhancement, only below fold */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Mobile menu transitions */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

#mobile-menu.open {
  max-height: 400px;
}

/* Hover underline for links */
a {
  text-decoration: none;
}

/* Selection color */
::selection {
  background-color: rgba(154, 32, 32, 0.2);
  color: inherit;
}

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