* { box-sizing: border-box; margin: 0; padding: 0; }


  .content {
    max-width: 700px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  }
  .content h1 { margin-bottom: 12px; color: #2d5016; }
  .content p  { color: #555; line-height: 1.6; }

  /* ===== Floating Offer Button ===== */
  .offer-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    color: white;
    border: none;
    cursor: pointer;
    padding: 14px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 6px 20px rgba(217, 119, 6, 0.4);
    z-index: 999;
    animation: pulse 2s ease-in-out infinite;
    transition: transform 0.2s ease;
  }

  .offer-btn:hover { transform: translateY(-2px); }
  .offer-btn:active { transform: scale(0.97); }

  .offer-btn .icon {
    font-size: 20px;
    display: inline-block;
    animation: float 2.5s ease-in-out infinite;
  }

  .offer-btn .badge {
    background: #fff;
    color: #b45309;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    letter-spacing: 0.5px;
  }

  @keyframes pulse {
    0%, 100% { box-shadow: 0 6px 20px rgba(217, 119, 6, 0.4); }
    50%      { box-shadow: 0 6px 28px rgba(217, 119, 6, 0.7); }
  }

  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-3px); }
  }

  /* Safe-area support (iPhone notch/home bar) */
  @supports (padding: env(safe-area-inset-bottom)) {
    .offer-btn {
      bottom: calc(30px + env(safe-area-inset-bottom));
      right:  calc(100px + env(safe-area-inset-right));
    }
  }

  /* Mobile tweaks */
  @media (max-width: 480px) {
    .offer-btn {
      bottom: 16px;
      right: 16px;
      padding: 12px 16px;
      font-size: 13px;
    }
    .offer-btn .label-full { display: block; }
    .offer-btn .label-short { display: inline; }
  }
  .offer-btn .label-short { display: none; }

  /* ===== Popup ===== */
  .popup-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 16px;
  }
  .popup-overlay.active { display: flex; }

  .popup {
    background: #fff;
    border-radius: 16px;
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    position: relative;
    animation: slideUp 0.3s ease-out;
  }

  @keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
  }

  .popup-header {
    background: linear-gradient(135deg, #2d5016 0%, #4a7c2e 100%);
    color: white;
    padding: 24px;
    border-radius: 16px 16px 0 0;
    text-align: center;
    position: relative;
  }

  .popup-header .plane-icon {
    font-size: 36px;
    margin-bottom: 8px;
    display: inline-block;
  }

  .popup-header h2 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    line-height: 1.3;
  }

  .popup-header .subtitle {
    font-size: 13px;
    opacity: 0.9;
    margin-top: 6px;
  }

  .popup-body {
    padding: 24px;
  }

  .popup-body p {
    color: #444;
    line-height: 1.6;
    font-size: 14px;
    margin-bottom: 16px;
  }

  .popup-body ul {
    list-style: none;
    margin-bottom: 20px;
  }

  .popup-body ul li {
    padding: 8px 0 8px 28px;
    position: relative;
    font-size: 14px;
    color: #333;
  }

  .popup-body ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 8px;
    color: #4a7c2e;
    font-weight: 700;
    font-size: 16px;
  }

  .cta-btn {
    display: block;
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: transform 0.2s;
  }
  .cta-btn:hover { transform: translateY(-1px); }

  .close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .close-btn:hover { background: rgba(255,255,255,0.35); }