body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: #1a1a1a;
    color: #fff;
    margin: 0;
    padding: 2rem;
    background-image: linear-gradient(45deg, #ff0077, #00ff77, #7700ff, #ff7700);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 2rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.category-container {
    margin-bottom: 3rem;
}

.category-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: #fff;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

.card h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    color: #00ff77;
}

.card p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}