body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0A1A2F, #000000);
    color: #FFFFFF;
    overflow-x: hidden;
}

header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #0A1A2F, #000000);
    position: relative;
    z-index: 1;
}

header h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.8rem;
    color: #FFFFFF;
    margin-bottom: 10px;
}

header p {
    font-size: 1.2rem;
    color: #EAEAEA;
    margin-top: 0;
}

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

.section {
    background: rgba(0, 0, 0, 0.6);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(76, 133, 255, 0.3), transparent);
    transform: rotate(45deg);
    animation: float 10s infinite linear;
}

@keyframes float {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

h2, h3 {
    font-family: 'Montserrat', sans-serif;
    color: #FFFFFF;
}

p {
    line-height: 1.6;
    color: #EAEAEA;
}

a {
    color: #4C85FF;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #B66DFE;
}

button {
    background: linear-gradient(135deg, #4C85FF, #B66DFE);
    border: none;
    color: #FFFFFF;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease;
}

button:hover {
    transform: scale(1.05);
}

button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 100px;
    height: 100px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    to {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

pre {
    background: #1A1A1A;
    color: #4C85FF;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 10px 0;
}

footer {
    text-align: center;
    padding: 20px;
    color: #EAEAEA;
    font-size: 0.9rem;
}

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

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

    pre {
        font-size: 0.8rem;
    }
}