/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: white;
    min-height: 100vh;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

/* Typography */
h1 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 2.5em;
    text-align: center;
}

h2 {
    color: #34495e;
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 1.8em;
}

h3 {
    color: #34495e;
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.3em;
}

p {
    margin-bottom: 15px;
    color: #555;
}

.tagline {
    text-align: center;
    font-style: italic;
    color: #7f8c8d;
    margin-bottom: 30px;
}

.last-updated {
    font-style: italic;
    color: #7f8c8d;
    margin-bottom: 30px;
}

/* Lists */
ul {
    margin-left: 30px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 10px;
    color: #555;
}

/* Links */
a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
    color: #2980b9;
}

/* Content sections */
.content {
    margin-top: 30px;
}

.features {
    background-color: #ecf0f1;
    padding: 20px;
    border-radius: 8px;
    margin: 30px 0;
}

.links {
    margin: 30px 0;
}

/* Footer */
.footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    text-align: center;
    color: #7f8c8d;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    h1 {
        font-size: 2em;
    }
    
    h2 {
        font-size: 1.5em;
    }
    
    ul {
        margin-left: 20px;
    }
}