body {
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
    background: #FFFFFF;
    color: #333333;
    line-height: 1.6;
    font-size: 16px;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.15rem;
    color: #333333;
    text-align: center;
    margin: 2rem 1rem;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
}

.logo span {
    color: #FF6347;
}

header {
    text-align: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, #FF6347, #FF4500);
    color: white;
    margin-bottom: 2rem;
}

header h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    margin: 0.5rem 0;
    font-weight: 700;
}

header p {
    font-family: 'Open Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    max-width: 800px;
    margin: 0 auto;
}

nav {
    text-align: center;
    margin-bottom: 2rem;
}

nav a {
    text-decoration: none;
    color: white;
    margin: 0 15px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #FFD7C2;
}

main {
    padding: 2rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    background: #F4F4F4;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

main p {
    max-width: 800px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #FF6347, #FF4500);
    color: white;
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 700;
    border-radius: 8px;
    transition: background 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
    background: linear-gradient(135deg, #FF4500, #FF6347);
    transform: translateY(-3px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

#book-list {
    display: grid;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

#books {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.book {
    background: #F9F9F9;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.book img {
    max-width: 100%;
    border-radius: 4px;
}

.book h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.75rem;
    color: #FF6347;
    margin: 0.5rem 0;
}

.book p {
    font-family: 'Open Sans', sans-serif;
    font-size: 1.1rem;
    color: #666666;
}

.book a {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: #18A558;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: background 0.3s ease;
}

.book a:hover {
    background: #146B3A;
}

footer {
    background: #333333;
    color: #FFFFFF;
    padding: 1rem 0;
    text-align: center;
    font-size: 1rem;
    border-top: 1px solid #E0E0E0;
    margin-top: 2rem;
}