body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    color: #ffffff;
    background: linear-gradient(135deg, #001f3f, #2c3e50, #4b6584);
    overflow-x: hidden;
}
h1, h2, h3, h4 {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}
.container {
    max-width: 1440px;
    margin: auto;
    padding: 20px;
    box-sizing: border-box;
}
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 20px;
    background: linear-gradient(to right, #1e3c72, #2a5298);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}
.header h1 {
    font-size: 2.5rem;
    color: #ecf0f1;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.section {
    position: relative;
    padding: 80px 20px;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}
.section:nth-child(odd) {
    background: linear-gradient(to bottom, #2c3e50, #34495e);
}
.section:nth-child(even) {
    background: linear-gradient(to bottom, #1e3c72, #2a5298);
}
.section h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    text-align: center;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}
.parallax {
    position: relative;
    z-index: 1;
}
.content-block {
    position: relative;
    z-index: 2;
    padding: 40px 20px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}
pre {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow-x: auto;
    font-size: 0.9rem;
}
code {
    color: #66ff00;
    font-family: 'Courier New', monospace;
}
button {
    display: inline-block;
    padding: 10px 20px;
    background: #1abc9c;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}
button:hover {
    background: #16a085;
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.8);
}
img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8rem;
    }
    .section {
        padding: 60px 10px;
    }
    pre {
        font-size: 0.8rem;
    }
}