body, html {
    margin: 0;
    padding: 0;
    font-family: 'Open Sans', sans-serif;
    color: #ffffff;
    background: linear-gradient(135deg, #001f3f, #0074d9);
    overflow-x: hidden;
    min-height: 100vh;
}
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}
header h1 {
    font-family: 'Roboto', sans-serif;
    font-size: 24px;
    font-weight: bold;
    color: orange;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}
nav ul li a {
    text-decoration: none;
    color: white;
    font-size: 16px;
    transition: color 0.3s ease;
}
nav ul li a:hover {
    color: orange;
}
main {
    padding-top: 80px;
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding: 20px;
}
section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}
section:hover {
    transform: translateY(-10px);
}
h2 {
    font-family: 'Roboto', sans-serif;
    font-size: 28px;
    color: orange;
    margin-bottom: 15px;
}
p, ul, ol {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
}
pre {
    background: rgba(0, 0, 0, 0.6);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}
code {
    color: orange;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.2);
}
th {
    background: rgba(0, 0, 0, 0.4);
    color: orange;
}
td {
    background: rgba(255, 255, 255, 0.1);
}
img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 10px 0;
}
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.grid-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}
footer {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    font-size: 14px;
}
@media (max-width: 768px) {
    header h1 {
        font-size: 20px;
    }
    nav ul {
        flex-direction: column;
        gap: 10px;
    }
    section {
        padding: 15px;
    }
    h2 {
        font-size: 24px;
    }
    p, ul, ol {
        font-size: 14px;
    }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.animate-element {
    animation: fadeIn 1s ease-in-out;
}