body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f8fb;
}

.navbar {
    background-color: #007bff;
}

.navbar-brand {
    color: white;
    font-weight: bold;
}

.navbar-nav .nav-link {
    color: white;
}

.hero-section {
    background: linear-gradient(to bottom, #007bff, #0056b3);
    color: white;
    padding: 7px 20px;
    text-align: center;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.hero-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.cta-button {
    background-color: #ffcc00;
    color: #333;
    border: none;
    padding: 15px 30px;
    border-radius: 5px;
    font-size: 1.2rem;
}

.cta-button:hover {
    background-color: #e6b800;
}

.ebook-card img {
    max-height: 180px;
    object-fit: cover;
}

.features-section {
    background: white;
    padding: 40px 20px;
}

.features-section h2 {
    margin-bottom: 30px;
    text-align: center;
}

.footer {
    background-color: #007bff;
    color: white;
    padding: 20px;
    text-align: center;
}

.footer a {
    color: #ffcc00;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}