:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: #07111f; color: #f4f7fb; }
.site-header, main, footer { width: min(1100px, calc(100% - 48px)); margin-inline: auto; }
.site-header { height: 72px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #1d334c; color: #aebed1; font-size: .9rem; }
.brand, .read-more { color: #7fd6ff; text-decoration: none; font-weight: 750; letter-spacing: .11em; }
main { padding: 88px 0 72px; }
.hero { max-width: 760px; }
.eyebrow, .date { margin: 0 0 14px; color: #7fd6ff; font-weight: 750; letter-spacing: .13em; font-size: .72rem; }
h1 { margin: 0; font-size: clamp(3rem, 8vw, 6.5rem); line-height: .96; letter-spacing: -.06em; }
h2 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.3rem); letter-spacing: -.03em; }
h2 a { color: inherit; text-decoration: none; }
.lede { max-width: 650px; color: #b9c7d9; font-size: 1.2rem; line-height: 1.65; }
.briefings { margin-top: 92px; border-top: 1px solid #1d334c; padding-top: 28px; }
.section-heading { display: flex; align-items: baseline; gap: 18px; margin-bottom: 24px; }
.briefing-card { padding: 28px 0; border-top: 1px solid #1d334c; max-width: 760px; }
.briefing-card p:not(.date), .empty-state { color: #b9c7d9; line-height: 1.65; }
.read-more { display: inline-block; margin-top: 8px; font-size: .83rem; }
footer { display: flex; justify-content: space-between; gap: 16px; padding: 32px 0; border-top: 1px solid #1d334c; color: #8799ae; font-size: .82rem; }
@media (max-width: 640px) { .site-header, footer { height: auto; padding: 20px 0; align-items: flex-start; flex-direction: column; } main { padding-top: 56px; } }

/* Shared article defaults. Individual briefings may add a local stylesheet. */
.article-shell { width: min(860px, calc(100% - 48px)); margin-inline: auto; padding: 72px 0 88px; }
.article-shell h1 { font-size: clamp(2.5rem, 7vw, 5.2rem); }
.article-shell h2, .article-shell h3 { margin-top: 2.2em; }
.article-shell p, .article-shell li { color: #c4d0df; font-size: 1.04rem; line-height: 1.75; }
.article-shell a { color: #7fd6ff; }
.article-shell img { display: block; max-width: 100%; height: auto; margin: 2rem auto; }
.article-shell pre, .article-shell code { overflow-wrap: anywhere; }