/* General Reset and Font */
body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: #fefefe;
    color: #333;
    line-height: 1.6;
}

h1, h2 {
    font-family: 'Crimson Text', serif;
    font-weight: 600;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

/* Hero Section */
.hero {
    background-color: #f5f5f5;
    text-align: center;
    padding: 4rem 1.5rem;
    border-bottom: 1px solid #ddd;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.hero h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #666;
}

/* About Section */
.about {
    background-color: #ffffff;
    border-bottom: 1px solid #eee;
}

.section-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.section-text {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    background-color: #333;
    color: #fff;
    padding: 0.6rem 1.2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #000;
}

/* Shelf Sections with Color */
#shelf-one {
    background-color: #fff8dc; /* Warm parchment */
}

#shelf-two {
    background-color: #e6f0ff; /* Soft blue */
}

#shelf-three {
    background-color: #f8e6f0; /* Mauve-pink */
}

#shelf-four {
    background-color: #e5fbe0; /* Gentle green */
}

.shelf-card {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 0 12px rgba(0,0,0,0.06);
    margin-bottom: 2rem;
}

.shelf-title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: #222;
}

.shelf-text {
    font-size: 1.1rem;
    margin-bottom: 1.2rem;
}

/* Button Style */
.btn-shelf {
    background-color: #444;
    color: #fff;
    padding: 0.6rem 1.4rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-size: 1rem;
}

.btn-shelf:hover {
    background-color: #000;
}

/* Responsive Tweaks */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero h2 {
        font-size: 1.2rem;
    }

    .shelf-card {
        padding: 1.5rem;
    }
}