@import url('https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@400;700&family=Inter:wght@400;500&display=swap');

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background: radial-gradient(circle, #0A192F, #1E2A47);
    color: white;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Roboto Slab', serif;
    margin-top: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 50px 20px;
    background: linear-gradient(135deg, #0A192F, #1E2A47);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: repeating-linear-gradient(45deg, rgba(56, 193, 114, 0.1), transparent 50px);
    animation: aurora-move 15s linear infinite;
    transform: rotate(-45deg);
}

@keyframes aurora-move {
    from { transform: translateX(-50%) rotate(-45deg); }
    to { transform: translateX(0) rotate(-45deg); }
}

main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 40px 20px;
}

.card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.3s ease-in-out;
    position: relative;
    overflow: hidden;
}

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

.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(56, 193, 114, 0.2), transparent);
    transform: rotate(45deg);
    opacity: 0.5;
}

.button {
    background-color: #38C172;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.button:hover {
    background-color: #2e9d5f;
    transform: scale(1.05);
}

.article-section {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 10px;
    padding: 20px;
    margin-top: 40px;
}

pre {
    background: #1E2A47;
    color: #FFB74D;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
}

@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
    }

    header {
        padding: 30px 10px;
    }

    .container {
        padding: 10px;
    }
}

footer {
    text-align: center;
    padding: 20px;
    background: #0A192F;
    margin-top: 40px;
}