/* Variables */
:root {
    --ink: #222;
    --muted: #666;
    --line: #e6e6e6;
    --bg: #fafafa;
    --accent: hsl(45, 90%, 60%);
    --card: #ffffff;
    --code: #0b1021;
    --mono: #1f2937;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: Inter, system-ui, Segoe UI, Arial, sans-serif;
    line-height: 1.6;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Header */
header {
    background: var(--card);
    border-bottom: 1px solid var(--line);
    padding: 28px 16px 18px;
    position: sticky;
    top: 0;
    z-index: 5;
}

.wrap {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 16px;
}

h1 {
    margin: 0 0 6px 0;
    font-size: 1.9rem;
}

.subhead {
    color: var(--muted);
}

nav.top {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 14px;
    font-size: 0.95rem;
}

nav.top a {
    padding: 6px 10px;
    background: #fffbf0;
    border: 1px solid var(--line);
    border-radius: 8px;
}

/* Main */
main {
    padding: 26px 0 60px;
}

section {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 20px;
    margin: 14px 0;
    scroll-margin-top: 240px;
}

h2 {
    margin: 0 0 8px 0;
    font-size: 1.35rem;
}

h3 {
    margin: 16px 0 6px 0;
    font-size: 1.1rem;
}

ul,
ol {
    padding-left: 20px;
}

.grid {
    display: grid;
    gap: 14px;
    grid-template-columns: 1fr 1fr;
}

.imgwrap {
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
}

.imgwrap img {
    display: block;
    width: 100%;
    height: auto;
}

figure {
    margin: 0;
}

figcaption {
    padding: 10px 12px;
    font-size: 0.92rem;
    color: #2a2a2a;
    background: #fcfcfc;
    border-top: 1px solid var(--line);
}

.meta {
    color: var(--muted);
}

.callout {
    background: #fffef7;
    border: 1px solid #fff4d6;
    padding: 12px 14px;
    border-radius: 10px;
}

pre,
code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

pre {
    background: #0b1021;
    color: #e6edf3;
    padding: 14px;
    border-radius: 10px;
    overflow: auto;
}

.twocol {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr 1fr;
}

.chips {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.chip {
    border: 1px solid var(--line);
    background: #fff;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.9rem;
}

footer {
    color: var(--muted);
    text-align: center;
    padding: 30px 0;
}

/* Responsive */
@media (max-width: 860px) {

    .grid,
    .twocol {
        grid-template-columns: 1fr;
    }
}