/* ===== BASE ===== */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { margin: 0; -webkit-font-smoothing: antialiased; }
  img { max-width: 100%; height: auto; display: block; }
  a { text-decoration: none; color: inherit; }
  button { cursor: pointer; border: none; background: none; font-family: inherit; }
  input, textarea, select { font-family: inherit; font-size: inherit; }

  /* ===== NAV ===== */
  #nav {
    background: transparent;
    transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
  }
  #nav.scrolled {
    background: rgba(253, 248, 240, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(13, 27, 42, 0.08);
  }
  #nav.scrolled .nav-link { color: rgba(13, 27, 42, 0.7) !important; }
  #nav.scrolled .font-serif { color: #0D1B2A !important; }
  #nav.scrolled svg { color: #0D1B2A !important; }

  /* ===== MOBILE MENU ===== */
  #mobileMenu { animation: slideDown 0.3s ease; }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .mobile-link { display: block; }

  /* ===== SCROLL ANIMATIONS ===== */
  .reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(28px);
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* ===== SCROLL INDICATOR ===== */
  .animate-scroll-line {
    animation: scrollLine 1.8s ease-in-out infinite;
  }
  @keyframes scrollLine {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
  }

  /* ===== FAQ ===== */
  .faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
  }
  .faq-content.open {
    max-height: 300px;
  }
  .faq-item { transition: box-shadow 0.2s ease; }

  /* ===== FORM ===== */
  input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.7) sepia(1) saturate(3) hue-rotate(110deg);
    cursor: pointer;
  }

  /* ===== SELECTION ===== */
  ::selection { background: rgba(126, 212, 184, 0.3); color: #0D1B2A; }

  /* ===== FOCUS ===== */
  :focus-visible { outline: 2px solid #7ED4B8; outline-offset: 2px; border-radius: 4px; }

  /* ===== UTILITY ===== */
  .nav-link { position: relative; }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #7ED4B8;
    border-radius: 1px;
    transition: width 0.25s ease;
  }
  .nav-link:hover::after { width: 100%; }