/* Base styles and custom overrides */
html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

/* Scroll reveal — progressive enhancement, hidden by default, revealed by JS */
.scroll-reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .scroll-reveal.is-hidden {
    opacity: 0;
    transform: translateY(30px);
  }
  .scroll-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navbar scroll state */
.navbar-scrolled {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f0fdfa;
}
::-webkit-scrollbar-thumb {
  background: #99f6e4;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #2dd4bf;
}

/* Selection color */
::selection {
  background: #99f6e4;
  color: #134e4a;
}