:root {
    --primary-color: #2c5e4e;
    --secondary-color: #8b4513;
    --text-color: #333;
    --background-color: #f5f5f5;
    --white: #fff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Source Sans Pro', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header styles */
header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--secondary-color);
}

/* Main content styles */
main {
    padding: 40px 0;
}

article h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.author {
    font-style: italic;
    color: #666;
    margin-bottom: 20px;
}

section {
    margin-bottom: 40px;
}

h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

p {
    margin-bottom: 15px;
}

ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

/* Footer styles */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

footer a {
    color: var(--white);
    text-decoration: none;
    font-weight: bold;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
    }

    nav ul {
        margin-top: 20px;
    }

    nav ul li {
        margin: 0 10px;
    }

    article h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.5rem;
    }
}