body {
      text-align: center;
      margin: 0;
      padding: 0;
      background-color: #f0ede6;
      font-family: 'Inter', sans-serif;
    }

    nav {
      background-color: #f0ede6;
      padding: 12px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid #d6d0c4;
      position: sticky;
      top: 0;
      z-index: 100;
    }

    nav button {
      color: #1a3a2a;
      background: none;
      border: none;
      margin: 0 10px;
      font-size: 13px;
      cursor: pointer;
      font-family: 'Inter', sans-serif;
      letter-spacing: 0.08em;
      padding: 6px 0;
      border-bottom: 2px solid transparent;
      transition: border-color 0.2s, color 0.2s;
    }

    nav button:hover { color: #2e6b45; border-bottom-color: #2e6b45; }

    .page { display: none; }

    .page.active {
      display: block;
      animation: fadeup 0.4s ease;
    }

    @keyframes fadeup {
      from { opacity: 0; transform: translateY(16px); }
      to { opacity: 1; transform: translateY(0); }
    }

    h1 {
      color: #1a3a2a;
      font-size: 52px;
      margin-top: 60px;
      font-family: 'Playfair Display', serif;
      font-weight: 600;
      line-height: 1.2;
      animation: floaty 3s infinite ease-in-out;
    }

    @keyframes floaty {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
    }

    h2 {
      color: #1a3a2a;
      font-size: 38px;
      margin-top: 60px;
      font-family: 'Playfair Display', serif;
      animation: floaty 3s infinite ease-in-out;
    }


    p {
      color: #2c4a38;
      font-size: 16px;
      max-width: 500px;
      margin: 0 auto 30px;
      font-family: 'Inter', sans-serif;
      line-height: 1.7;
    }

    .tagline {
      font-size: 15px;
      text-align: center;
      color: #2e6b45;
      font-style: italic;
      margin-top: 6px;
    }

    section { padding: 50px 20px; }

    .videos {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    iframe { border-radius: 8px; border: none; }

    .tableau-wrapper {
      width: 90%;
      max-width: 960px;
      margin: 20px auto;
      background: #fff;
      border-radius: 14px;
      overflow: hidden;
      box-shadow: 0 2px 16px rgba(26,58,42,0.10);
    }

    .help-cards {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
      margin: 30px auto 0;
      max-width: 700px;
    }

    .help-card {
      background-color: #fff;
      border-radius: 14px;
      padding: 28px 32px;
      flex: 1 1 200px;
      max-width: 280px;
      box-shadow: 0 2px 12px rgba(26,58,42,0.08);
      text-align: center;
    }

    .help-card .card-icon { font-size: 28px; margin-bottom: 10px; }

    .help-card .card-label {
      font-size: 11px;
      letter-spacing: 0.1em;
      color: #2e6b45;
      text-transform: uppercase;
      margin-bottom: 8px;
      font-family: 'Inter', sans-serif;
      font-weight: 500;
    }

    .help-card .card-value {
      font-size: 22px;
      font-weight: 600;
      color: #1a3a2a;
      font-family: 'Playfair Display', serif;
      margin: 0;
    }

    .help-card .card-sub {
      font-size: 13px;
      color: #5a7a66;
      margin-top: 6px;
      font-family: 'Inter', sans-serif;
    }

    .help-card a { color: #1a3a2a; text-decoration: none; }
    .help-card a:hover { color: #2e6b45; text-decoration: underline; }

    .pema-btn {
      display: inline-block;
      margin-top: 32px;
      padding: 13px 30px;
      background-color: #1a3a2a;
      color: #f0ede6;
      font-size: 15px;
      font-family: 'Inter', sans-serif;
      border-radius: 10px;
      text-decoration: none;
      transition: background 0.2s;
    }

    .pema-btn:hover { background-color: #2e6b45; }

    /* ── ABOUT PAGE CARDS ── */
    .about-header {
      text-align: center;
      margin-bottom: 10px;
    }

    .about-divider {
      width: 36px;
      height: 2px;
      background: #1a4a30;
      margin: 14px auto 10px;
      border-radius: 2px;
    }
    .about-cards {
      display: flex;
      flex-direction: column;
      gap: 14px;
      max-width: 620px;
      margin: 0 auto;
      text-align: left;
    }

    .about-card {
      background: #ffffff;
      border: 0.5px solid rgba(0,0,0,0.1);
      border-radius: 14px;
      padding: 22px 24px;
      display: flex;
      gap: 18px;
      align-items: flex-start;
      transition: border-color 0.15s, box-shadow 0.15s;
    }

    .about-card:hover {
      border-color: rgba(46,107,69,0.35);
      box-shadow: 0 2px 12px rgba(26,58,42,0.07);
    }

    .about-card-icon {
      width: 46px;
      height: 46px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .icon-story { background: #e8f0e9; }
    .icon-proto { background: #e3ecf5; }

    .about-card-icon svg { width: 22px; height: 22px; }

    .about-card-body { flex: 1; min-width: 0; }

    .about-card-tag {
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: #5a7a66;
      margin-bottom: 4px;
      font-family: 'Inter', sans-serif;
    }

    .about-card-title {
      font-size: 19px;
      font-family: 'Playfair Display', serif;
      color: #1a3a2a;
      margin-bottom: 7px;
    }

    .about-card-desc {
      font-size: 14px;
      color: #4a6a58;
      font-family: 'Inter', sans-serif;
      line-height: 1.65;
      margin-bottom: 14px;
      max-width: 100%;
    }

    .about-card-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 500;
      padding: 7px 14px;
      border-radius: 8px;
      border: 0.5px solid rgba(0,0,0,0.18);
      background: transparent;
      color: #1a3a2a;
      cursor: pointer;
      text-decoration: none;
      font-family: 'Inter', sans-serif;
      transition: background 0.15s;
    }

    .about-card-btn:hover { background: #f2f6f3; }



    footer {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #5a7a66;
      padding: 20px;
      font-family: 'Inter', sans-serif;
      text-align: center;
      margin-top: 40px;
      border-top: 1px solid #d6d0c4;
      width: 100%;
      box-sizing: border-box;
      background-color: #f0ede6;
    }