:root {
    --paper: #f4efe6;
    --paper-dark: #e7dccb;
    --ink: #2b2420;
    --ink-muted: #5a4f46;
    --border: #c8b9a6;
    --accent: #7a6653;
    --highlight: #efe3d3;
    --shadow: rgba(43, 36, 32, 0.15);
    --body-font: "Baskerville", "Garamond", "Palatino Linotype", "Times New Roman", serif;
    --display-font: "Didot", "Bodoni MT", "Bodoni 72", "Garamond", "Times New Roman", serif;
    --font-size-sm: 0.9rem;
    --font-size-md: 1.1rem;
    --font-size-lg: clamp(2.5rem, 4.4vw, 3.8rem);
}

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

body {
    font-family: var(--body-font);
    font-size: var(--font-size-md);
    color: var(--ink);
    background-color: var(--paper);
    background-image:
        linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0)),
        repeating-linear-gradient(0deg, rgba(90, 79, 70, 0.06) 0px, rgba(90, 79, 70, 0.06) 1px, transparent 1px, transparent 4px),
        repeating-linear-gradient(90deg, rgba(90, 79, 70, 0.04) 0px, rgba(90, 79, 70, 0.04) 1px, transparent 1px, transparent 6px);
    min-height: 100vh;
}

.page {
    max-width: 1080px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 3rem;
}

.header {
    text-align: center;
    padding: 2rem 1.5rem;
    border: 2px solid var(--border);
    background: var(--highlight);
    box-shadow: 0 10px 24px var(--shadow);
}

.header h1 {
    font-family: var(--display-font);
    font-size: var(--font-size-lg);
    letter-spacing: 1px;
    margin-bottom: 0.4rem;
}

.header .subtitle {
    font-style: italic;
    color: var(--ink-muted);
    font-size: var(--font-size-md);
}

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin: 1.8rem 0 2rem;
}

.nav a {
    text-decoration: none;
    color: var(--ink);
    border: 1px solid var(--border);
    padding: 0.45rem 0.9rem;
    background: #fff8ee;
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    letter-spacing: 1px;
}

.section {
    margin-bottom: 2rem;
    padding: 1.6rem;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 6px 16px var(--shadow);
}

.section h2 {
    font-family: var(--display-font);
    font-size: 1.6rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.8rem;
}

.section p {
    line-height: 1.6;
    margin-bottom: 0.8rem;
}

.section ul {
    padding-left: 1.2rem;
    line-height: 1.6;
}

.grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
    border: 1px solid var(--border);
    padding: 1rem;
    background: var(--paper-dark);
}

.card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    background: #fff6ea;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-md);
}

.table th,
.table td {
    border: 1px solid var(--border);
    padding: 0.6rem;
    text-align: left;
}

.table th {
    background: var(--paper-dark);
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    letter-spacing: 1px;
}

.code {
    font-family: "Courier New", Courier, monospace;
    background: #f7f0e4;
    padding: 0.75rem 1rem;
    border: 1px dashed var(--accent);
    font-size: var(--font-size-sm);
    white-space: pre-wrap;
}

.footer {
    margin-top: 2rem;
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--ink-muted);
}

.back-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid var(--accent);
}

@media (max-width: 720px) {
    .page {
        padding: 2rem 1rem 2.5rem;
    }

    .section {
        padding: 1.2rem;
    }
}