body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #00008B, #4B0082);
    color: #FFFFFF;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1440px;
    margin: 0 auto;
}

.header {
    grid-column: span 2;
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(45deg, #00008B, #32CD32);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.header h1 {
    font-size: 2.5rem;
    margin: 0;
    color: #FFFFFF;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.header p {
    font-size: 1.2rem;
    margin-top: 10px;
    color: #32CD32;
}

.section {
    background: rgba(0, 0, 0, 0.7);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.section:hover {
    transform: translateY(-5px);
}

.section h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: #FFFFFF;
}

.section p {
    font-size: 1rem;
    line-height: 1.6;
    color: #D3D3D3;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    object-fit: cover;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.image-grid img:hover {
    opacity: 1;
}

.code-block {
    background: #1E1E1E;
    color: #32CD32;
    padding: 15px;
    border-radius: 5px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    line-height: 1.4;
    overflow-x: auto;
}

button {
    background-color: #00008B;
    color: #FFFFFF;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background-color: #32CD32;
    transform: scale(1.1);
}

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

    .section h2 {
        font-size: 1.5rem;
    }

    .code-block {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        grid-template-columns: 1fr;
    }

    .header h1 {
        font-size: 1.8rem;
    }

    .section h2 {
        font-size: 1.3rem;
    }

    .code-block {
        font-size: 0.7rem;
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}