:root {
    --primary-color: #2563eb;
    --text-color: #1f2937;
    --background-color: #ffffff;
    --section-background: #f9fafb;
    --border-color: #e5e7eb;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.last-updated {
    color: #6b7280;
    font-size: 0.9rem;
}

section {
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--section-background);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--text-color);
}

h4 {
    font-size: 1.2rem;
    margin: 1.2rem 0 0.8rem;
    color: var(--text-color);
}

p {
    margin-bottom: 1rem;
}

ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

.definitions {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.definition-item {
    background-color: white;
    padding: 1.5rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.definition-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact {
    background-color: var(--primary-color);
    color: white;
}

.contact h2 {
    color: white;
}

.contact a {
    color: white;
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 2rem 0;
    color: #6b7280;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    section {
        padding: 1.5rem;
    }

    .definitions {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) {
    .definitions {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Print Styles */
@media print {
    body {
        background-color: white;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    section {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .definitions {
        grid-template-columns: 1fr;
    }
}