body {
      font-family: 'Segoe UI', sans-serif;
      background-color: #f9f9f9;
    }
    .custom-navbar {
      background-color: #aad1fb;
      padding: 10px 30px;
    }
    .navbar-brand-imgs {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-right: 40px;
    }
    .navbar-brand-imgs img {
      height: 40px;
    }
    .custom-navbar .nav-link {
      color: #000000 !important;
      margin-right: 20px;
    }
    .custom-navbar .nav-link:hover {
      color: #084998 !important;
    }
    .search-box {
      background-color: #e3eefa;
      border-radius: 10px;
      padding: 6px 12px;
      color: #000000;
      border: none;
      width: 250px;
    }
    .navbar-icons i {
      color: #000000;
      margin-left: 15px;
    }
    .navbar-icons i:hover {
      color: #084998;
    }
    .navbar-collapse {
      justify-content: space-between;
      align-items: center;
    }
    .navbar-center {
      display: flex;
      align-items: center;
      gap: 30px;
      flex-grow: 1;
    }
    .info-section {
      background-color: #084998;
      padding: 40px;
      border-radius: 10px;
      box-shadow: 0 0 15px rgba(0,0,0,0.05);
      margin: 40px auto;
    }
    .info-section h3 {
      font-weight: 600;
      margin-bottom: 15px;
    }
    .info-section ul {
      list-style-type: disc;
      padding-left: 20px;
    }

    .book-card-centered {
    background: #ffffff;
    padding: 50px;
    margin: 60px auto;
    border-radius: 12px;
    text-align: center;
    max-width: 900px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.05);
  }
  .book-card-centered h3 {
    font-weight: 700;
    color: #084998;
  }
  .book-card-centered p {
    font-size: 1.1rem;
    color: #5a5a5a;
    margin: 15px 0 30px;
  }
  .book-card-centered .btn-book {
    background-color:#084998;
    color: #fff;
    font-size: 1rem;
    padding: 12px 30px;
    border-radius: 50px;
    border: none;
    transition: background-color 0.3s ease;
  }
  .book-card-centered .btn-book:hover {
    background-color: #084998;
  }
  .hero {
    margin-top: 40px; 
     padding: 0%;
}
  footer {
    background-color: #000;
    color: #ccc;
    padding: 60px 0 20px;
    font-size: 0.95rem;
  }
  footer a {
    color: #ccc;
    text-decoration: none;
  }
  footer a:hover {
    color: #fff;
    text-decoration: underline;
  }
  .footer-logo {
    max-width: 160px;
    margin-bottom: 20px;
  }
  .footer-title {
    font-weight: 600;
    color: #fff;
    margin-bottom: 15px;
  }
  .footer-bottom {
    border-top: 1px solid #444;
    margin-top: 40px;
    padding-top: 20px;
    text-align: center;
    color: #888;
    font-size: 0.85rem;
  }
  .footer-icons i {
    color: #ccc;
    transition: color 0.3s;
  }
  .footer-icons i:hover {
    color: #fff;
  }
  .footer-app img {
    height: 50px;
    margin-left: 10px;
  }
  .footer-credit img {
    height: 70px;
    margin-right: 10px;
  }

    .package-section {
    background-color: #fefefe;
    padding: 60px 0;
  }
  .package-section h2 {
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: #084998;
  }
  .package-card {
    background-color: #fff;
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
  }
  .package-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  }
  .package-card i {
    font-size: 2.5rem;
    color: #2F81E9;
    margin-bottom: 20px;
  }
  .package-card h5 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
  }
  .package-card p {
    font-size: 0.95rem;
    color: #666;
  }
  .package-card .price {
    font-weight: bold;
    color: #333;
    margin: 10px 0;
  }
  .package-card .btn-select {
    background-color: #084998;
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: 20px;
    margin-top: 10px;
    transition: background-color 0.3s ease;
  }
  .package-card .btn-select:hover {
    background-color: #084998;
  }
  .badge-popular {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: #ffc107;
    color: #000;
    font-size: 0.75rem;
    padding: 5px 10px;
    border-radius: 20px;
  }

    .app-description {
    background-color: #e3eefa;
    padding: 60px 20px;
    text-align: center;
    animation: fadeInUp 1s ease;
    margin-top: 40px;
  }
  .app-description h2 {
    font-weight: 700;
    color: #084998;
  }
  .app-description-block {
    max-width: 900px;
    margin: 0 auto 30px;
  }
  .app-description p {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 15px;
  }
  .app-description-icons {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
  }
  .app-description-icons div {
    text-align: center;
    max-width: 140px;
    transition: transform 0.3s ease;
  }
  .app-description-icons div:hover {
    transform: translateY(-5px);
  }
  .app-description-icons i {
    font-size: 2rem;
    color: #2F81E9;
    margin-bottom: 10px;
  }
  .app-description-icons span {
    font-size: 0.95rem;
    color: #444;
  }
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(40px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

    .progress-section {
    background: linear-gradient(to right, #f8f9fa, #e9ecef);
    padding: 80px 30px;
    border-radius: 20px;
    margin-top: 80px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    text-align: center;
    animation: fadeIn 1s ease-in-out;
  }
  .progress-section h3 {
    font-weight: 700;
    color: #343a40;
    margin-bottom: 20px;
    font-size: 2.2rem;
  }
  .progress-section p {
    color: #6c757d;
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 1.1rem;
  }
  .progress-cards {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
  }
  .progress-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
    width: 280px;
    text-align: center;
    transition: transform 0.3s ease;
  }
  .progress-card:hover {
    transform: translateY(-10px);
  }
  .progress-card i {
    font-size: 2rem;
    color: #2F81E9;
    margin-bottom: 15px;
    animation: popIn 0.6s ease;
  }
  .progress-card h5 {
    font-weight: 600;
    color: #212529;
    margin-bottom: 10px;
  }
  .progress-card p {
    font-size: 0.95rem;
    color: #6c757d;
    margin-bottom: 0;
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes popIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
  }