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

body {
  overflow-x: hidden;
}

/* === Scroll-reveal (progressive enhancement) === */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  }

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

  .reveal:nth-child(2) { transition-delay: 0.08s; }
  .reveal:nth-child(3) { transition-delay: 0.16s; }
  .reveal:nth-child(4) { transition-delay: 0.24s; }
}

/* === Header scroll state === */
#site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 4px 20px rgba(0, 0, 0, 0.06);
}

/* === Mobile menu transition === */
#mobile-menu {
  animation: slideDown 0.25s ease forwards;
}

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

/* === Selection === */
::selection {
  background: #99f6e4;
  color: #042f2e;
}

/* === Focus visible === */
:focus-visible {
  outline: 2px solid #0d9488;
  outline-offset: 2px;
}

/* === Subtle pattern on hero background === */
.min-h-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 80%, rgba(13, 148, 136, 0.06) 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, rgba(100, 116, 139, 0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.min-h-screen > * {
  position: relative;
  z-index: 1;
}