:root {
    --primary-color: #2c3e50;
    --accent-color: #3498db;
    --glass-bg: rgba(255, 255, 255, 0.9);
}

body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f8f9fa; }

/* Animated Hero Section */
.hero-section {
    background: linear-gradient(45deg, #2c3e50, #000000);
    padding: 100px 0;
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0% 100%);
}

/* Modern Book Cards */
.card {
    border: none;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.card-img-top {
    height: 300px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-img-top { transform: scale(1.05); }

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #2c3e50; border-radius: 10px; }