/* ─── Base & Utilities ─── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { margin: 0; }

  /* ─── Floating animations for hero stat cards ─── */
  @keyframes float-slow {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
  }
  @keyframes float-medium {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-16px) rotate(-1deg); }
  }
  @keyframes float-fast {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1.5deg); }
  }

  .floating-card {
    animation-duration: 4s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
  }
  .animate-float-slow { animation-name: float-slow; }
  .animate-float-medium { animation-name: float-medium; animation-delay: 1s; }
  .animate-float-fast { animation-name: float-fast; animation-delay: 0.5s; }

  /* ─── Scroll reveal (progressive enhancement) ─── */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .reveal {
      opacity: 1;
      transform: none;
    }
  }

  /* ─── Mobile menu ─── */
  #mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
  }
  #mobile-menu:not(.open) {
    opacity: 0;
    pointer-events: none;
  }

  /* ─── Navbar scroll state ─── */
  #nav.scrolled {
    background: rgba(254, 251, 244, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06), 0 4px 20px rgba(0,0,0,0.04);
  }

  /* ─── Mobile menu line animation ─── */
  #mobile-menu.open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  #mobile-menu.open .menu-line:nth-child(2) {
    opacity: 0;
  }
  #mobile-menu.open .menu-line:nth-child(3) {
    width: 1.25rem;
    transform: rotate(-45deg) translate(4px, -4px);
  }

  /* ─── Focus styles ─── */
  a:focus-visible, button:focus-visible {
    outline: 2px solid #d95230;
    outline-offset: 3px;
    border-radius: 4px;
  }