/* Base styles for the entire page */
body {
    background-color: #f5f5f5; 
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
}
/* Main content container */
.content-wrapper {
    background-color: rgba(255, 255, 255, 0.95);
    min-height: 100vh;
    margin: 0 auto;
    padding: 2rem;
    max-width: 1200px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}
/* Header styling */
header {
    text-align: center;
    padding: 2rem 0;
    margin-bottom: 2rem;
}
header h1 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 2.5em;
}
header h2 {
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
    color: #444;
}
/* Navigation bar styling */
nav {
    background-color: #2d2d2d;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 2rem;
}
nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: background-color 0.3s;
}
nav a:hover {
    background-color: #555;
    border-radius: 3px;
}
/* Hero image styling (background image approach) */
.hero-image {
    margin: 2rem 0;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    height: 200px; /* Fixed height */
    background-image: url('image/deskandplants.jpg');
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    background-color: #f5f5f5; /* Light background to fill empty space */
}
/* Main content section styling */
main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}
/* Section styling */
section {
    margin: 2rem 0;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 5px;
}
/* Footer styling */
footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    border-top: 1px solid #ddd;
}
footer a {
    color: #0366d6;
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}
/* Video container for responsive embedded videos */
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    margin: 20px 0;
}
.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Button styling */
.btn {
    display: inline-block;
    background-color: #2d2d2d;
    color: white;
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 3px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #555;
}

/* Back button for narrative pages */
.back-button {
    text-align: center;
    margin: 2rem 0;
}

/* Code styling */
pre {
    background-color: #f1f1f1;
    padding: 1rem;
    border-radius: 3px;
    overflow-x: auto;
    margin: 1rem 0;
}

code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #333;
}

/* Responsive design */
@media (max-width: 768px) {
    .content-wrapper {
        padding: 1rem;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    header h1 {
        font-size: 2em;
    }
    
    /* Adjust hero image height on smaller screens */
    .hero-image {
        height: 150px;
    }
}