/* Base & Utilities */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
img, video { max-width: 100%; height: auto; }
a { text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* Scroll Reveal — progressive enhancement, hidden only when JS runs */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Header scroll state */
#site-header.scrolled {
  background: rgba(107, 45, 91, 0.95);
  backdrop-filter: blur(12px);
  -webkit-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 0.3s ease;
}
#mobile-menu.open {
  max-height: 400px;
}

/* Smooth anchor offset for fixed header */
section[id] {
  scroll-margin-top: 80px;
}

/* Subtle focus styles */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid #a32d72;
  outline-offset: 2px;
  border-radius: 4px;
}

/* Selection color */
::selection {
  background: #e6aed7;
  color: #441c39;
}