:root {
    --bg: #f5f3ee;
    --surface: #ffffff;
    --surface-2: #eceae3;
    --text: #24211c;
    --text-dim: #6b6558;
    --border: #ddd8cc;
    --accent: #a8632c;
    --accent-strong: #7d4a20;
    --code-accent: #3f7d6e;
    --font-display: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Consolas, Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #14161b;
        --surface: #1b1e25;
        --surface-2: #23272f;
        --text: #e7e4db;
        --text-dim: #999485;
        --border: #2e323b;
        --accent: #d99a4e;
        --accent-strong: #e8b374;
        --code-accent: #7fc4b3;
    }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    font-size: 16px;
}

.layout {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 28px 20px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar .brand {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-strong);
    text-decoration: none;
    display: block;
    margin-bottom: 4px;
}

.sidebar .tagline {
    font-size: 0.78rem;
    color: var(--text-dim);
    letter-spacing: 0.02em;
    margin-bottom: 28px;
}

.sidebar nav h3 {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin: 22px 0 8px;
    font-weight: 600;
}

.sidebar nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar nav a {
    display: block;
    padding: 5px 0;
    color: var(--text);
    text-decoration: none;
    font-size: 0.92rem;
    border-left: 2px solid transparent;
    padding-left: 10px;
    margin-left: -12px;
}

.sidebar nav a:hover,
.sidebar nav a.active {
    color: var(--accent);
    border-left-color: var(--accent);
}

main {
    padding: 48px clamp(24px, 5vw, 72px);
    max-width: 880px;
}

.eyebrow {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 10px;
}

h1 {
    font-family: var(--font-display);
    font-size: 2.4rem;
    line-height: 1.15;
    margin: 0 0 14px;
    text-wrap: balance;
}

h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin: 2.4em 0 0.6em;
    padding-top: 0.4em;
    border-top: 1px solid var(--border);
    text-wrap: balance;
}

h2:first-of-type { border-top: none; padding-top: 0; margin-top: 1.6em; }

h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin: 1.8em 0 0.5em;
}

p { max-width: 68ch; color: var(--text); }
p.lede { font-size: 1.1rem; color: var(--text-dim); max-width: 60ch; }

a { color: var(--code-accent); }

.table-wrap { overflow-x: auto; margin: 1.2em 0; }

table {
    border-collapse: collapse;
    width: 100%;
    font-size: 0.92rem;
}

th, td {
    text-align: left;
    padding: 8px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

th {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    font-weight: 600;
}

td code, p code, li code {
    background: var(--surface-2);
    color: var(--code-accent);
    padding: 0.1em 0.4em;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.86em;
}

pre {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 4px;
    padding: 16px 18px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.86rem;
    line-height: 1.55;
}

pre code { background: none; padding: 0; color: var(--text); }

.callout {
    background: var(--surface-2);
    border-left: 3px solid var(--code-accent);
    border-radius: 4px;
    padding: 14px 18px;
    margin: 1.4em 0;
    font-size: 0.94rem;
}

.callout strong { color: var(--code-accent); }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin: 1.6em 0;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 18px 20px;
    text-decoration: none;
    color: var(--text);
    display: block;
}

.card:hover { border-color: var(--accent); }

.card .card-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: var(--accent-strong);
    margin-bottom: 6px;
}

.card .card-desc { font-size: 0.86rem; color: var(--text-dim); }

ul.plain, ol.plain { padding-left: 1.3em; }
ul.plain li, ol.plain li { margin-bottom: 0.5em; max-width: 64ch; }

.node-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 18px 22px;
    margin: 1.2em 0;
}

.node-card .node-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--accent-strong);
    margin-bottom: 4px;
}

.node-hook {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-dim);
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 8px;
    display: inline-block;
    margin-bottom: 10px;
}

.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 12px;
}

.pc-col {
    font-size: 0.86rem;
    line-height: 1.5;
    padding: 10px 14px;
    border-radius: 6px;
}

.pc-col .lbl {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
}

.pc-pro { background: rgba(127, 196, 179, 0.08); border: 1px solid rgba(127, 196, 179, 0.25); }
.pc-pro .lbl { color: var(--code-accent); }
.pc-con { background: rgba(217, 154, 78, 0.08); border: 1px solid rgba(217, 154, 78, 0.25); }
.pc-con .lbl { color: var(--accent); }

@media (max-width: 760px) {
    .pros-cons { grid-template-columns: 1fr; }
}

.footer-nav {
    margin-top: 3em;
    padding-top: 1.4em;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

@media (max-width: 760px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar { position: relative; height: auto; }
}