:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface: #ffffff;
    --ink: #26251e;
    --body: #5a5852;
    --muted: #807d72;
    --hairline: #e6e5e0;
    --hairline-strong: #cfcdc4;
    --primary: #f54e00;
    --primary-active: #d04200;
    --mint: #9fc9a2;
    --blue: #9fbbe0;
    --peach: #dfa88f;
    --gold: #c08532;
    --radius: 12px;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--canvas);
    color: var(--body);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
}

code {
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: .92em;
}

.skip-link {
    left: 16px;
    position: absolute;
    top: -48px;
    z-index: 10;
    background: var(--ink);
    color: var(--canvas);
    padding: 10px 14px;
    border-radius: 8px;
}

.skip-link:focus {
    top: 16px;
}

.site-header {
    border-bottom: 1px solid var(--hairline);
    background: color-mix(in srgb, var(--canvas) 92%, white);
    position: sticky;
    top: 0;
    z-index: 5;
}

.top-nav {
    align-items: center;
    display: flex;
    gap: 20px;
    justify-content: space-between;
    max-width: var(--container);
    min-height: 72px;
    margin: 0 auto;
    padding: 12px 20px;
}

.brand {
    align-items: center;
    color: var(--ink);
    display: inline-flex;
    gap: 12px;
    text-decoration: none;
}

.brand-mark {
    align-items: center;
    background: var(--primary);
    border-radius: 8px;
    color: white;
    display: inline-flex;
    font-weight: 700;
    height: 42px;
    justify-content: center;
    letter-spacing: .04em;
    width: 42px;
}

.brand strong,
.brand small {
    display: block;
}

.brand small {
    color: var(--muted);
    font-size: 12px;
}

.nav-toggle {
    background: var(--surface);
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    color: var(--ink);
    display: inline-flex;
    padding: 10px 14px;
}

.nav-links {
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    display: none;
    flex-direction: column;
    gap: 4px;
    left: 20px;
    padding: 10px;
    position: absolute;
    right: 20px;
    top: 74px;
}

.nav-links.is-open {
    display: flex;
}

.nav-links a {
    border-radius: 8px;
    color: var(--ink);
    font-size: 14px;
    font-weight: 600;
    padding: 10px 12px;
    text-decoration: none;
}

.nav-links a[aria-current="page"],
.nav-links a:focus,
.nav-links a:hover {
    background: var(--canvas);
    color: var(--primary-active);
}

.hero,
.magazine-grid,
.split-band,
.source-band,
.article-shell,
.breadcrumbs {
    max-width: var(--container);
    margin: 0 auto;
    padding: 48px 20px;
}

.hero {
    display: grid;
    gap: 28px;
    padding-top: 64px;
}

.hero-copy h1,
.article-hero h1,
.section-heading h2,
.split-band h2 {
    color: var(--ink);
    font-weight: 400;
    letter-spacing: -0.035em;
    line-height: 1.08;
    margin: 0;
}

.hero-copy h1 {
    font-size: clamp(2.4rem, 8vw, 4.9rem);
    max-width: 930px;
}

.hero-copy p:last-child,
.section-heading p,
.split-band > div:first-child p,
.article-hero p {
    font-size: clamp(1.05rem, 2.4vw, 1.25rem);
    max-width: 760px;
}

.eyebrow {
    color: var(--primary-active);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .12em;
    margin: 0 0 12px;
    text-transform: uppercase;
}

.hero-panel,
.note-stack,
.source-band {
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: 16px;
    padding: 20px;
}

.timeline-pill {
    border: 1px solid rgba(38, 37, 30, .12);
    border-radius: 999px;
    color: var(--ink);
    margin: 10px 0;
    padding: 10px 14px;
}

.pill-1 {
    background: var(--peach);
}

.pill-2 {
    background: var(--mint);
}

.pill-3 {
    background: var(--blue);
}

.section-heading {
    margin-bottom: 28px;
}

.card-grid,
.related-grid {
    display: grid;
    gap: 16px;
}

.feature-card,
.related-card,
.note-stack article {
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    padding: 22px;
}

.feature-card span,
.related-card span {
    color: var(--muted);
    display: block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.feature-card h3,
.related-card strong,
.note-stack h3,
.article-content h2,
.related h2,
.source-band h2 {
    color: var(--ink);
    font-weight: 500;
    line-height: 1.2;
    margin: 10px 0;
}

.feature-card a,
.related-card {
    color: var(--primary-active);
    font-weight: 700;
    text-decoration: none;
}

.split-band {
    display: grid;
    gap: 24px;
}

.note-stack {
    display: grid;
    gap: 12px;
}

.source-band ul {
    margin-bottom: 0;
    padding-left: 20px;
}

.breadcrumbs {
    color: var(--muted);
    display: flex;
    gap: 8px;
    padding-bottom: 0;
}

.breadcrumbs a {
    color: var(--primary-active);
    text-decoration: none;
}

.article-shell {
    padding-top: 24px;
}

.article-hero {
    max-width: 820px;
}

.article-hero h1 {
    font-size: clamp(2.1rem, 6vw, 4rem);
}

.article-image {
    margin: 28px 0;
}

.article-image img {
    aspect-ratio: 16 / 8;
    border-radius: 16px;
    object-fit: cover;
    width: 100%;
}

.article-image figcaption {
    color: var(--muted);
    font-size: 13px;
    margin-top: 8px;
}

.article-layout {
    display: grid;
    gap: 26px;
}

.toc {
    align-self: start;
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    display: grid;
    gap: 8px;
    padding: 18px;
}

.toc strong {
    color: var(--ink);
}

.toc a {
    color: var(--primary-active);
    text-decoration: none;
}

.article-content {
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: 16px;
    padding: clamp(22px, 4vw, 42px);
}

.article-content section + section {
    border-top: 1px solid var(--hairline);
    margin-top: 30px;
    padding-top: 24px;
}

details {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    margin-top: 28px;
    padding: 16px 18px;
}

summary {
    color: var(--ink);
    cursor: pointer;
    font-weight: 700;
}

.related {
    margin-top: 34px;
}

.related-card {
    color: var(--body);
}

.related-card small {
    display: block;
    margin-top: 8px;
}

.site-footer {
    border-top: 1px solid var(--hairline);
    display: grid;
    gap: 20px;
    margin: 48px auto 0;
    max-width: var(--container);
    padding: 32px 20px 48px;
}

.site-footer strong {
    color: var(--ink);
}

.site-footer nav {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.site-footer a {
    color: var(--primary-active);
    text-decoration: none;
}

@media (min-width: 760px) {
    .nav-toggle {
        display: none;
    }

    .nav-links {
        align-items: center;
        background: transparent;
        border: 0;
        display: flex;
        flex-direction: row;
        gap: 2px;
        padding: 0;
        position: static;
    }

    .hero,
    .split-band {
        grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr);
    }

    .card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .article-layout {
        grid-template-columns: 250px minmax(0, 1fr);
    }

    .toc {
        position: sticky;
        top: 96px;
    }

    .related-grid,
    .site-footer {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1040px) {
    .card-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}