:root {
    --official-blue: #003366;
    --slate-gray: #444444;
    --off-white: #f4f7f9;
    --pure-white: #ffffff;
    --border: #d1d9e0;
    --text: #1a1a1a;
    --font-serif: 'Merriweather', serif;
    --font-sans: 'Inter', sans-serif;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--off-white);
    color: var(--text);
    font-family: var(--font-sans);
    line-height: 1.5;
}

header {
    background-color: var(-- pure-white);
    border-bottom: 2px solid var(--official-blue);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--official-blue);
    text-decoration: none;
    text-transform: uppercase;
}

nav ul {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav a {
    color: var(--slate-gray);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

nav a:hover {
    color: var(--official-blue);
    text-decoration: underline;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
    background-color: var(--pure-white);
    min-height: 80vh;
    box-shadow: 0 0 20px rgba(0,0,0,0.05);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--official-blue);
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
    margin-top: 0;
}

p {
    margin-bottom: 1.25rem;
    max-width: 75ch;
}

.doc-card {
    border: 1px solid var(--border);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background-color: #fcfcfc;
}

.doc-card h2 {
    margin-top: 0;
    font-size: 1.25rem;
    color: var(--official-blue);
}

.stat-block {
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--border);
    margin: 1rem 0;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--official-blue);
    font-family: var(--font-serif);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--slate-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

footer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--slate-gray);
    border-top: 1px solid var(--border);
}

.hero {
    padding: 3rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--slate-gray);
}