body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: radial-gradient(circle, rgb(25, 25, 112), transparent);
    color: #f0f8ff;
    line-height: 1.6;
    overflow-x: hidden;
}
header {
    background: linear-gradient(135deg, #00008B, #4B0082);
    padding: 20px 0;
    text-align: center;
    position: relative;
    animation: header-glow 5s infinite alternate;
}
@keyframes header-glow {
    from { box-shadow: 0 0 15px rgba(255, 255, 255, 0.2); }
    to { box-shadow: 0 0 30px rgba(255, 255, 255, 0.6); }
}
header h1 {
    font-size: 2.5rem;
    text-shadow: 2px 2px 10px rgba(255, 255, 255, 0.8);
    letter-spacing: 2px;
    margin: 0;
}
main {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
}
.card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    position: relative;
    overflow: hidden;
}
.card:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}
.card:hover::before {
    opacity: 1;
}
article {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
}
h2, h3 {
    color: #ff69b4;
    text-shadow: 1px 1px 5px rgba(255, 255, 255, 0.5);
}
pre {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
th, td {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px;
    text-align: left;
}
th {
    background: rgba(255, 255, 255, 0.1);
}
.icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 10px;
    animation: float 6s infinite ease-in-out;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    main {
        grid-template-columns: 1fr;
    }
    .card {
        padding: 15px;
    }
}