/* style.css */

body {
    margin: 0;
    font-family: Georgia, serif;
    background: url("images/tree.jpg") no-repeat center center fixed;
    background-size: cover;
    color: white;
    text-align: center;
}

.overlay {
    background: rgba(0,0,0,0.45);
    min-height: 100vh;
    padding: 40px 20px;
}

h1 {
    font-size: 56px;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

header p {
    font-size: 26px;
    font-style: italic;
    margin-bottom: 40px;
}

.book {
    width: 320px;
    max-width: 90%;
    box-shadow: 0 12px 35px rgba(0,0,0,0.45);
    border-radius: 4px;
}

.desc {
    font-size: 28px;
    max-width: 800px;
    margin: 35px auto;
    line-height: 1.5;
    font-style: italic;
}

.btn {
    display: inline-block;
    background: #ef6d79;
    color: white;
    text-decoration: none;
    padding: 18px 42px;
    font-size: 30px;
    border-radius: 12px;
    font-weight: bold;
    margin-top: 15px;
    transition: 0.3s;
}

.btn:hover {
    background: #d95763;
    transform: scale(1.05);
}

footer {
    margin-top: 70px;
    font-size: 24px;
    letter-spacing: 1px;
}

@media (max-width: 768px) {

h1 {
    font-size: 40px;
}

header p {
    font-size: 20px;
}

.desc {
    font-size: 22px;
}

.btn {
    font-size: 24px;
    padding: 15px 30px;
}

footer {
    font-size: 18px;
}

}