/* ── Base & Utilities ── */
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
  }

  body {
    overflow-x: hidden;
  }

  /* ── Navbar ── */
  #navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
  }

  #navbar.scrolled {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(6, 95, 70, 0.08);
  }

  .menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  #menu-btn.active .menu-line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
  }

  #menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
  }

  #menu-btn.active .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 20px;
    margin-left: 0;
  }

  .mobile-link {
    border-bottom: 1px solid rgba(6, 95, 70, 0.08);
    padding-bottom: 0.75rem;
  }

  .mobile-link:last-child {
    border-bottom: none;
  }

  /* ── Program Cards ── */
  .program-card {
    position: relative;
    overflow: hidden;
  }

  .program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #059669, #34d399);
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .program-card:hover::before {
    opacity: 1;
  }

  /* ── Scroll Reveal Animations ── */
  @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);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
  }

  /* ── Form Select Arrow ── */
  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='%23065f46' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
  }

  /* ── Selection Color ── */
  ::selection {
    background: #a7f3d0;
    color: #064e3b;
  }