body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #004aad, #6a287e);
    color: white;
    overflow-x: hidden;
    min-height: 100vh;
}

header {
    text-align: center;
    padding: 40px 20px;
    background: rgba(0, 0, 0, 0.5);
    position: relative;
}

header h1 {
    font-size: 2.5em;
    font-weight: bold;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(90deg, #ff6f61, #ffb480);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    font-size: 1.2em;
    margin-top: 10px;
    line-height: 1.5;
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease-in-out;
    text-align: center;
}

.card:hover {
    transform: translateY(-10px);
}

.card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.card h3 {
    font-size: 1.5em;
    margin: 15px 0 10px;
    color: #ff6f61;
}

.card p {
    font-size: 1em;
    line-height: 1.6;
    color: #dcdcdc;
}

.article-section {
    background: rgba(0, 0, 0, 0.6);
    padding: 30px 20px;
    margin: 20px 0;
    border-radius: 10px;
}

.article-section h2 {
    font-size: 2em;
    margin-bottom: 20px;
    text-align: center;
    color: #ffb480;
}

.article-section pre {
    background: #222;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

.article-section code {
    color: #ff6f61;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }

    .card {
        padding: 15px;
    }

    .article-section pre {
        font-size: 0.8em;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5em;
    }

    .container {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 10px;
    }

    .article-section pre {
        font-size: 0.7em;
    }
}

.notification {
    text-align: center;
    font-size: 1.2em;
    color: #ff6f61;
    margin: 20px 0;
}