/* Base styles and reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* Typography */
h1 {
    margin-bottom: 15px;
    font-size: 2.8em;
    font-weight: 700;
}

h2 {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    margin-top: 30px;
    margin-bottom: 20px;
    font-size: 1.6em;
}

h2:first-child {
    margin-top: 0;
}

h3 {
    margin-top: 25px;
    margin-bottom: 15px;
    font-size: 1.2em;
}

p {
    margin-bottom: 20px;
    font-size: 1.05em;
}

ul, ol {
    margin-left: 25px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 8px;
}

a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}