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

body {
  overflow-x: hidden;
}

/* Scroll Reveal Animations — progressive enhancement, gated behind JS class */
.reveal-up,
.reveal-left,
.reveal-right {
  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);
}

/* When JS is enabled and prefers-reduced-motion is not set, apply initial hidden state via JS */
.js .reveal-up,
.js .reveal-left,
.js .reveal-right {
  opacity: 0;
}

.js .reveal-up {
  transform: translateY(30px);
}

.js .reveal-left {
  transform: translateX(-30px);
}

.js .reveal-right {
  transform: translateX(30px);
}

.js .reveal-up.revealed,
.js .reveal-left.revealed,
.js .reveal-right.revealed {
  opacity: 1;
  transform: none;
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #0d9488;
  outline-offset: 2px;
  border-radius: 4px;
}

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

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

/* Navbar scroll state */
#navbar.scrolled {
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

/* Subtle hover lift on cards */
.group:hover {
  transform: translateY(-2px);
}

.group {
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Selection color */
::selection {
  background-color: #ccfbf1;
  color: #042f2e;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal-up,
  .reveal-left,
  .reveal-right {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .js .reveal-up,
  .js .reveal-left,
  .js .reveal-right {
    opacity: 1 !important;
    transform: none !important;
  }

  #mobileMenu {
    animation: none;
  }
}