/* ─── Base & Utilities ─── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { overflow-x: hidden; }

  /* ─── Navigation ─── */
  #nav {
    background: rgba(253, 252, 248, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(27, 94, 32, 0.08);
  }
  #nav.scrolled {
    box-shadow: 0 4px 20px rgba(27, 94, 32, 0.08);
  }

  .nav-link {
    position: relative;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2E7D32;
    transition: width 0.3s ease;
  }
  .nav-link:hover::after {
    width: 100%;
  }

  /* ─── Buttons ─── */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    background: #1B5E20;
    color: #fff;
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: 0.75rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid #1B5E20;
  }
  .btn-primary:hover {
    background: #144517;
    border-color: #144517;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(27, 94, 32, 0.25);
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    background: transparent;
    color: #1B5E20;
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: 0.75rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid #1B5E20;
  }
  .btn-secondary:hover {
    background: #E8F5E9;
    transform: translateY(-2px);
  }

  /* ─── Mobile Menu ─── */
  .mobile-menu {
    animation: slideDown 0.3s ease;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .mobile-link {
    display: block;
  }

  /* ─── Floating Cards ─── */
  .card-float-1 { animation: float1 6s ease-in-out infinite; }
  .card-float-2 { animation: float2 5s ease-in-out infinite; }
  .card-float-3 { animation: float3 7s ease-in-out infinite; }
  .card-float-4 { animation: float4 5.5s ease-in-out infinite; }

  @keyframes float1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
  }
  @keyframes float2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-16px); }
  }
  @keyframes float3 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-1deg); }
  }
  @keyframes float4 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-14px); }
  }

  /* ─── Reveal Animations ─── */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ─── Menu Button Animation ─── */
  .menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
  }
  .menu-btn.active .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(5px, -5px);
  }

  /* ─── Form Focus States ─── */
  input:focus, select:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
  }

  /* ─── Responsive ─── */
  @media (max-width: 767px) {
    .font-display { font-size: 1.75rem; }
  }