/* Base */
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }

/* Nav scroll state */
.nav-scrolled {
  background: rgba(13, 148, 136, 0.95) !important;
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Mobile menu transition */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
#mobile-menu.open {
  max-height: 400px;
}

/* Scroll reveal */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
}
@media not all and (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* Page load reveal */
html.animate-reveal body {
  animation: none;
}