:root {
    --ink: #12212b;
    --muted: #546773;
    --surface: #f3f7f8;
    --line: #d8e3e7;
    --accent: #ff5c35;
    --dark: #102932;
    --max: 1120px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    color: var(--ink);
    background: #fff;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
}

a { color: inherit; }

.site-header,
.site-footer,
.hero,
.section,
.hub-hero {
    width: min(var(--max), calc(100% - 48px));
    margin-inline: auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 84px;
}

.brand {
    color: var(--dark);
    font-size: 1.5rem;
    font-weight: 850;
    letter-spacing: -0.09em;
    text-decoration: none;
}

.brand span { color: var(--accent); }

nav { display: flex; gap: 1.3rem; }
nav a { color: var(--muted); font-size: .94rem; font-weight: 650; text-decoration: none; }
nav a:hover { color: var(--accent); }

.hero,
.hub-hero {
    padding: clamp(5rem, 11vw, 9.5rem) 0 clamp(4.5rem, 8vw, 7rem);
}

.hero {
    background: radial-gradient(circle at 86% 10%, #dcf5ed 0, transparent 31%), radial-gradient(circle at 70% 100%, #fae0cf 0, transparent 35%);
    max-width: none;
    padding-inline: max(24px, calc((100% - var(--max)) / 2));
}

.hero h1,
.hub-hero h1 {
    max-width: 760px;
    margin: .2rem 0 1.2rem;
    color: var(--dark);
    font-size: clamp(3rem, 7vw, 6.4rem);
    font-weight: 800;
    letter-spacing: -.07em;
    line-height: .94;
}

.hub-hero h1 { font-size: clamp(2.9rem, 6.4vw, 5.6rem); }

.eyebrow {
    margin: 0 0 .8rem;
    color: var(--accent);
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.lede { max-width: 680px; color: var(--muted); font-size: clamp(1.15rem, 2vw, 1.4rem); }

.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-block; border: 1px solid var(--dark); border-radius: 999px; padding: .8rem 1.1rem; font-size: .92rem; font-weight: 750; text-decoration: none; }
.button-primary { color: #fff; background: var(--dark); }
.button-primary:hover { background: var(--accent); border-color: var(--accent); }
.button-secondary:hover { color: #fff; background: var(--dark); }

.section { padding-block: clamp(3.5rem, 7vw, 6rem); }
.section-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; padding-top: 1px; background: var(--line); }
.section-grid article { min-height: 300px; padding: 2rem; background: #fff; }
.section-grid h2, .archive-callout h2 { margin: .15rem 0 .8rem; font-size: 1.55rem; letter-spacing: -.035em; }
.section-grid p:not(.metric), .archive-callout > p { color: var(--muted); }
.section-grid a { color: var(--dark); font-weight: 750; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }
.metric { margin: 0; color: var(--accent); font-size: 3.1rem; font-weight: 800; letter-spacing: -.08em; }

.archive-callout { display: grid; grid-template-columns: 1.05fr 1fr auto; align-items: end; gap: 2.4rem; border-top: 1px solid var(--line); }
.archive-callout > p { margin: 0; }

.notice { max-width: 650px; margin-top: 2.2rem; border-left: 3px solid var(--accent); padding-left: 1rem; color: var(--muted); }

.article {
    width: min(760px, calc(100% - 48px));
    margin: 4rem auto 5rem;
}

.article__meta {
    margin: 0 0 1rem;
    color: var(--accent);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.preview-banner {
    display: inline-block;
    margin: 0 0 1.5rem;
    border: 1px solid var(--accent);
    border-radius: 999px;
    padding: .38rem .68rem;
    color: var(--dark);
    background: #fff6f2;
    font-size: .78rem;
    font-weight: 750;
}

.article h1 {
    max-width: 18ch;
    margin: 0 0 2rem;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(2.4rem, 6vw, 4.6rem);
    line-height: .98;
    letter-spacing: -.04em;
}

.article h2 { margin: 2.7rem 0 .8rem; font-size: 1.35rem; }
.article h3 { margin: 2rem 0 .55rem; font-size: 1.1rem; }
.article p, .article li { color: #3f3a33; font-size: 1.08rem; line-height: 1.72; }
.article ul { padding-left: 1.25rem; }
.article-body img { display: block; max-width: 100%; height: auto; margin: 1.8rem auto; }
.article-body figure { max-width: 100%; margin: 1.8rem auto; }
.article-body figcaption { color: var(--muted); font-size: .85rem; }
.article-featured { margin: 0 0 2rem; }
.article-featured img { display: block; width: 100%; height: auto; }

.sources { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.sources h2 { margin-top: 0; }
.sources a { color: var(--ink); text-decoration-color: var(--accent); text-underline-offset: .18em; }

.content-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); }
.content-list article { padding: 2rem; background: #fff; }
.content-list p { margin: 0 0 .6rem; color: var(--accent); font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.content-list h2 { max-width: 22ch; margin: 0 0 1.75rem; font-size: 1.6rem; letter-spacing: -.04em; }
.content-list h2 a { text-decoration: none; }
.content-list h2 a:hover, .text-link:hover { color: var(--accent); }
.content-list .content-excerpt { margin: -1rem 0 1.15rem; color: var(--muted); font-size: .96rem; font-weight: 400; letter-spacing: 0; line-height: 1.55; text-transform: none; }
.content-list .content-date { margin: 0 0 1.2rem; color: var(--muted); font-size: .74rem; letter-spacing: .06em; }
.text-link { color: var(--dark); font-weight: 750; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 1.5rem; margin-bottom: 1.4rem; }
.section-heading h2 { margin: 0; font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.055em; }

.editorial { width: min(900px, calc(100% - 48px)); margin: 4rem auto 5rem; }
.editorial h1 { margin: .2rem 0 1.2rem; font-size: clamp(2.6rem, 6vw, 4.5rem); letter-spacing: -.06em; line-height: .96; }
.migration { width: min(1000px, calc(100% - 48px)); margin: 4rem auto 5rem; }
.migration h1 { margin: .2rem 0 1.2rem; font-size: clamp(2.6rem, 6vw, 4.5rem); letter-spacing: -.06em; line-height: .96; }
.migration-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 3rem; background: var(--line); }
.migration-list article { display: flex; flex-direction: column; align-items: flex-start; padding: 1.5rem; background: #fff; }
.migration-list p { margin: 0 0 .5rem; color: var(--accent); font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.migration-list h2 { margin: 0 0 .75rem; font-size: 1.3rem; letter-spacing: -.03em; }
.migration-list code { margin-bottom: 1.5rem; color: var(--muted); font-size: .78rem; overflow-wrap: anywhere; }
.migration-list .text-link { margin-top: auto; }
.editorial-list { display: grid; gap: 1px; margin-top: 3rem; background: var(--line); }
.editorial-list article { padding: 1.8rem 2rem; background: #fff; }
.editorial-list h2 { margin: .55rem 0; font-size: 1.45rem; letter-spacing: -.035em; }
.editorial-path, .form-hint { color: var(--muted); font-size: .9rem; }
.editorial-actions, .approval-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.4rem; }
.approval-actions form { margin: 0; }
.status { display: inline-block; margin: 0; border-radius: 999px; padding: .35rem .6rem; color: var(--dark); background: var(--surface); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.status-ready_for_review { background: #fff0d8; }
.status-approved { background: #dff4e8; }
.status-published { background: #dfeef8; }
.flash-message { margin: 2rem 0; border-left: 3px solid #24915a; padding: .8rem 1rem; background: #ecfff3; }
.form-errors { margin: 2rem 0; border-left: 3px solid #bf3d25; padding: .75rem 1rem; background: #fff0ed; }
.form-errors p, .form-errors ul { margin: .2rem 0; }
.back-link { color: var(--muted); font-weight: 700; text-decoration-color: var(--accent); }
.editor-form { margin-top: 2.5rem; }
.editor-form label { display: block; margin: 1.5rem 0 .5rem; font-size: .9rem; font-weight: 800; }
.editor-form input, .editor-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 4px; padding: .75rem; color: var(--ink); background: #fff; font: inherit; line-height: 1.55; }
.editor-form textarea { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: .88rem; }
.editor-form .button { margin-top: 1.2rem; }
.change-review { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.25rem 2rem; margin: 2.5rem 0; border: 1px solid var(--line); padding: 1.5rem; background: var(--surface); }
.change-review h2 { margin: .25rem 0 .5rem; font-size: 1.4rem; letter-spacing: -.035em; }
.change-review > div > p:not(.eyebrow) { max-width: 620px; margin: 0; color: var(--muted); }
.change-stats { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); }
.change-stats > div { padding: 1.1rem; background: #fff; }
.change-stats p { margin: 0 0 .4rem; color: var(--muted); font-size: .82rem; font-weight: 750; text-transform: uppercase; }
.change-stats strong { font-size: 2.1rem; letter-spacing: -.06em; }
.change-stats span { color: var(--muted); font-size: .85rem; }
.change-stats dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .45rem 1rem; margin: 1rem 0 0; }
.change-stats dl div { display: flex; justify-content: space-between; gap: .5rem; }
.change-stats dt, .change-stats dd { margin: 0; color: var(--muted); font-size: .82rem; }
.change-stats dd { color: var(--ink); font-weight: 750; }

.site-footer { border-top: 1px solid var(--line); padding-block: 2rem 3rem; color: var(--muted); font-size: .86rem; }
.site-footer p { max-width: 660px; margin: 0; }
.site-footer p + p { margin-top: .7rem; }
.site-footer a { color: var(--ink); text-decoration-color: var(--accent); }

@media (max-width: 760px) {
    .site-header { align-items: flex-start; flex-direction: column; gap: .85rem; padding-block: 1.1rem; }
    nav { flex-wrap: wrap; gap: .6rem 1rem; }
    .site-header, .site-footer, .section, .hub-hero { width: min(var(--max), calc(100% - 32px)); }
    .section-grid, .archive-callout, .content-list, .migration-list { grid-template-columns: 1fr; }
    .section-heading { align-items: flex-start; flex-direction: column; }
    .section-grid article { min-height: 0; }
    .hero { padding-inline: 16px; }
    .article { width: min(100% - 32px, 760px); margin-top: 3rem; }
    .editorial { width: min(100% - 32px, 900px); margin-top: 3rem; }
    .migration { width: min(100% - 32px, 1000px); margin-top: 3rem; }
    .change-review { grid-template-columns: 1fr; }
    .change-stats { grid-template-columns: 1fr; }
}