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

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: #e8b8f8;
  color: #4a1661;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

/* ── Floating stat card animation ── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

.card-float {
  animation: float 4s ease-in-out infinite;
}

/* ── Header scroll state ── */
#site-header {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

#site-header.scrolled {
  background: rgba(255, 251, 245, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 12px rgba(123, 46, 153, 0.08);
}

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

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

/* ── Hamburger animation ── */
#menu-toggle[aria-expanded="true"] #bar-top {
  transform: translateY(5px) rotate(45deg);
}
#menu-toggle[aria-expanded="true"] #bar-mid {
  opacity: 0;
  transform: scaleX(0);
}
#menu-toggle[aria-expanded="true"] #bar-bot {
  transform: translateY(-5px) rotate(-45deg);
  width: 1.25rem;
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ── Focus visible for accessibility ── */
:focus-visible {
  outline: 2px solid #d480f0;
  outline-offset: 2px;
}

/* ── Touch-friendly tap targets on mobile ── */
@media (max-width: 640px) {
  .mobile-link {
    padding: 0.75rem 0 !important;
  }
}