:root {
    /* UVA Color Palette */
    --color-uva-blue: #232d4b;
    --color-uva-orange: #e57200;
    --color-light-gray: #f1f1ef;
    --color-medium-gray: #dadada;
    --color-text-gray: #666666;
    --color-link-blue: #0056b3;

    /* Additional Functional Colors */
    --color-white: #ffffff;
    --color-black: #111111;
    --color-bg: var(--color-light-gray);
    --color-text-main: var(--color-uva-blue);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;

    /* Effects */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15), 0 6px 6px rgba(0, 0, 0, 0.10);
    --transition-fast: 0.2s ease-in-out;
    --transition-medium: 0.3s ease-in-out;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: var(--color-uva-blue);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

p {
    color: var(--color-text-gray);
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    text-decoration: underline;
    color: var(--color-uva-orange);
}

img {
    max-width: 100%;
    border-radius: 8px;
}

/* Layout Core */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-light {
    background-color: var(--color-white);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-uva-orange);
    margin: var(--spacing-sm) auto 0;
    border-radius: 2px;
}