/* Base */
html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

/* Scroll Animations — progressive enhancement */
.scroll-animate {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: no-preference) {
  .scroll-animate {
    opacity: 0;
    transform: translateY(30px);
  }

  .scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navbar scroll state */
#navbar.scrolled {
  box-shadow: 0 1px 20px rgba(13, 148, 136, 0.08);
}

/* Mobile menu transitions */
#mobile-menu {
  animation: slideDown 0.25s ease-out;
}

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

/* Subtle pattern overlay for hero */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(13, 148, 136, 0.04) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
}

/* Selection color */
::selection {
  background-color: #99f6e4;
  color: #112e2d;
}

/* Smooth focus outlines */
a:focus-visible,
button:focus-visible {
  outline: 2px solid #0d9488;
  outline-offset: 2px;
  border-radius: 4px;
}