/* ========== BASE ========== */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
  img { max-width: 100%; height: auto; display: block; }
  select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }

  /* ========== NAVBAR SHADOW ON SCROLL ========== */
  #navbar.scrolled { box-shadow: 0 1px 20px rgba(0,0,0,0.08); }

  /* ========== REVEAL ANIMATIONS ========== */
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .reveal.animate-in {
    opacity: 1;
    transform: translateY(0);
  }
  /* Stagger children */
  .reveal:nth-child(2) { transition-delay: 0.08s; }
  .reveal:nth-child(3) { transition-delay: 0.16s; }
  .reveal:nth-child(4) { transition-delay: 0.24s; }
  .reveal:nth-child(5) { transition-delay: 0.32s; }
  .reveal:nth-child(6) { transition-delay: 0.40s; }

  /* ========== FAQ ========== */
  .faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.22, 1, 0.36, 1), padding 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .faq-content:not(.hidden) {
    max-height: 300px;
  }
  .faq-icon {
    transition: transform 0.3s ease;
  }
  .faq-btn[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
  }

  /* ========== MOBILE MENU ========== */
  #mobileMenu {
    animation: slideDown 0.25s ease;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ========== REDUCED MOTION ========== */
  @media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
    .group:hover img { transform: none; }
    .group:hover .w-14 { transform: none; }
  }

  /* ========== RESPONSIVE ========== */
  @media (max-width: 640px) {
    .font-display { font-size: clamp(1.75rem, 6vw, 2.5rem); }
  }