body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(135deg, #121212, #2a0e45, #1e1e3e);
    color: #ffffff;
    line-height: 1.6;
    padding: 20px;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Roboto Mono', monospace;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

h1 {
    font-size: 48px;
    text-align: center;
    background: linear-gradient(90deg, #39ff14, #00e676);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: 36px;
    border-bottom: 2px solid #39ff14;
    padding-bottom: 10px;
}

h3 {
    font-size: 28px;
    color: #39ff14;
}

p {
    font-size: 18px;
    margin-bottom: 20px;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: #1e1e1e;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: scale(1.05);
    box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.3);
}

.button {
    background-color: #39ff14;
    color: #000000;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

.button:hover {
    background-color: #00e676;
}

pre {
    background: #121212;
    color: #39ff14;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
}

code {
    font-family: 'Roboto Mono', monospace;
    font-size: 14px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table th, table td {
    border: 1px solid #39ff14;
    padding: 10px;
    text-align: center;
}

table th {
    background-color: #1e1e1e;
    color: #39ff14;
}

.shape {
    width: 100px;
    height: 100px;
    background-color: #39ff14;
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
    margin: 20px auto;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.section {
    animation: fadeIn 1s ease-in-out;
}

@media (max-width: 600px) {
    .container {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 28px;
    }

    h3 {
        font-size: 24px;
    }

    p {
        font-size: 16px;
    }
}