:root {
    --ink: #1c1712;
    --muted: #5c5348;
    --paper: #f6f1e8;
    --sheet: #fffaf3;
    --line: #e3d8c8;
    --copper: #b85a28;
    --copper-dark: #8a3e16;
    --header: #1a1612;
    --header-ink: #f3eadf;
    --max: 46rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(1200px 400px at 10% -10%, rgba(184, 90, 40, 0.16), transparent 50%),
        var(--paper);
    font-family: "IBM Plex Sans KR", "Malgun Gothic", sans-serif;
    font-size: 17px;
    line-height: 1.65;
}

a { color: var(--copper-dark); }
a:hover { color: var(--copper); }

.site-header {
    background: var(--header);
    color: var(--header-ink);
}

.site-header a { color: inherit; text-decoration: none; }

.header-inner, .wrap { 
    width: min(var(--max), calc(100% - 2rem));
    margin: 0 auto;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 0;
}

.brand {
    font-weight: 600;
    letter-spacing: -0.02em;
}

.brand small {
    display: block;
    font-weight: 400;
    color: #c8b8a4;
    font-size: 0.75rem;
}

.nav { display: flex; gap: 1rem; font-size: 0.95rem; }
.nav a { border-bottom: 1px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--copper); }

main { padding: 2.2rem 0 4rem; }

.lede {
    font-size: 1.35rem;
    line-height: 1.45;
    letter-spacing: -0.03em;
    margin: 0 0 0.6rem;
}

.sub { color: var(--muted); margin-top: 0; }

.cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
    margin: 1.6rem 0 2rem;
}

.card {
    display: block;
    background: var(--sheet);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 1rem 1.1rem 1.15rem;
    text-decoration: none;
    color: inherit;
}

.card:hover { border-color: var(--copper); }
.card strong { display: block; font-size: 1.05rem; margin-bottom: 0.25rem; }
.card span { color: var(--muted); }

article h1 { font-size: 2rem; letter-spacing: -0.03em; line-height: 1.25; margin-bottom: 0.4rem; }
article h2 { font-size: 1.25rem; margin-top: 2rem; }
article h3 { font-size: 1.05rem; margin-top: 1.4rem; }

article p, article li { color: #2a241e; }
article code {
    font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
    font-size: 0.92em;
    background: #efe6d8;
    padding: 0.05em 0.3em;
    border-radius: 4px;
}

.table-wrap { overflow-x: auto; margin: 1rem 0; }
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--sheet);
    font-size: 0.95rem;
}
th, td { border-bottom: 1px solid var(--line); text-align: left; padding: 0.45rem 0.6rem; vertical-align: top; }
th { background: #f3e7d8; font-weight: 600; }
td:last-child, th:last-child { text-align: right; }
article table td:last-child, article table th:last-child { text-align: left; }

.note {
    background: #fff6ea;
    border-left: 3px solid var(--copper);
    padding: 0.7rem 0.9rem;
    margin: 1.2rem 0;
}

footer {
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.85rem;
    padding: 1.2rem 0 2rem;
}

footer .wrap p { margin: 0.3rem 0; }

@media (max-width: 700px) {
    .cards { grid-template-columns: 1fr; }
    .header-inner { align-items: flex-start; flex-direction: column; }
}