body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #f5f5f5;
    background: radial-gradient(circle, rgb(255, 87, 34), transparent);
    overflow-x: hidden;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 31, 63, 0.9);
    color: white;
    z-index: 1000;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1rem;
}

nav a {
    text-decoration: none;
    color: #ff9900;
    font-weight: bold;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #cc7a00;
}

main {
    margin-top: 6rem;
    padding: 1rem;
}

.hero {
    background: linear-gradient(to bottom, #001f3f, #0074d9);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    border-radius: 10px;
    margin-bottom: 2rem;
    animation: aurora-move 15s linear infinite;
}

@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
}

.section {
    margin-bottom: 3rem;
    padding: 1rem;
    border-radius: 10px;
    background: rgba(0, 31, 63, 0.8);
    color: white;
}

.section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.section p {
    font-size: 1rem;
    line-height: 1.8;
}

.code-block {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}

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

.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.button {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #ff9900;
    color: white;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.button:hover {
    background-color: #cc7a00;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.2rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

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