:root {
  color-scheme: light dark;
  --article-bg: #f7fafc;
  --article-surface: #ffffff;
  --article-text: #172033;
  --article-muted: #526079;
  --article-border: #dce4ee;
  --article-accent: #087ea4;
  --article-accent-soft: #e8f7fb;
  --article-quote: #f0f6fa;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--article-bg);
  color: var(--article-text);
  font-family: "Mona Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.72;
}
a { color: var(--article-accent); text-underline-offset: .16em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid #f5a623; outline-offset: 3px; border-radius: 3px; }
.skip-link { position: absolute; left: -9999px; top: 10px; }
.skip-link:focus { left: 10px; z-index: 10; padding: .6rem 1rem; background: var(--article-surface); }
.article-nav { background: var(--article-surface); border-bottom: 1px solid var(--article-border); }
.article-nav__inner { width: min(1080px, 92vw); margin: auto; padding: 1rem 0; display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; }
.article-nav__logo img { display: block; width: 190px; max-width: 48vw; height: auto; }
.article-nav__links { display: flex; flex-wrap: wrap; gap: 1rem; list-style: none; margin: 0; padding: 0; }
.article-nav__links a { color: var(--article-muted); font-weight: 350; text-decoration: none; }
.article-nav__links a:hover { color: var(--article-accent); }
.article-hero { padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(2.5rem, 6vw, 4.5rem); background: linear-gradient(135deg, #07172c, #0b5067); color: #fff; }
.article-hero__inner, .article-layout { width: min(1080px, 92vw); margin: auto; }
.article-cover {
  width: 94vw;
  max-width: 1200px;
  aspect-ratio: 16 / 9;
  margin: clamp(-2rem, -3vw, -1rem) auto 0;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 18px 48px rgba(7, 23, 44, .22);
}
.article-cover picture { display: block; width: 100%; height: 100%; }
.article-cover img { display: block; width: 100%; max-width: 100%; height: 100%; object-fit: contain; }
.eyebrow { margin: 0 0 1rem; color: #8ee6fa; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }
.article-hero h1 { max-width: 920px; margin: 0; font-size: clamp(2.3rem, 6vw, 4.7rem); line-height: 1.05; letter-spacing: -.04em; font-weight: 350; }
.dek { max-width: 780px; margin: 1.5rem 0 0; color: #d8edf3; font-size: clamp(1.1rem, 2.2vw, 1.35rem); line-height: 1.55; }
.article-meta { margin-top: 1.5rem; color: #b8d6df; font-size: .92rem; }
.article-layout { display: grid; grid-template-columns: minmax(0, 730px) minmax(220px, 1fr); align-items: start; gap: clamp(2rem, 6vw, 5rem); padding: clamp(2.5rem, 6vw, 5rem) 0; }
.article-body { min-width: 0; }
.byline { color: var(--article-muted); font-size: .95rem; }
.article-body h2 { margin: 2.5em 0 .65em; font-size: clamp(1.65rem, 3vw, 2.25rem); line-height: 1.2; letter-spacing: -.02em; font-weight: 350; }
.article-body h3 { margin: 1.9em 0 .5em; font-size: 1.28rem; line-height: 1.3; }
.article-body p, .article-body ul, .article-body ol { margin: 0 0 1.3rem; }
.article-body li + li { margin-top: .35rem; }
.article-body blockquote { margin: 2rem 0; padding: 1.25rem 1.5rem; border-left: 5px solid var(--article-accent); background: var(--article-quote); font-size: 1.18rem; font-weight: 300; }
.article-body blockquote p { margin: 0; }
.key-point { padding: 1.5rem; border: 1px solid #a6dce8; border-radius: 14px; background: var(--article-accent-soft); }
.key-point strong { display: block; margin-bottom: .35rem; font-weight: 350; }
.source { font-size: .86rem; }
.article-aside { position: sticky; top: 1rem; padding: 1.25rem; border: 1px solid var(--article-border); border-radius: 14px; background: var(--article-surface); }
.article-aside h2 { margin: 0 0 .75rem; font-size: 1rem; }
.article-aside ol { margin: 0; padding-left: 1.25rem; font-size: .9rem; }
.article-aside li + li { margin-top: .45rem; }
.article-aside a { color: var(--article-muted); text-decoration: none; }
.faq { margin-top: 3.5rem; padding-top: .5rem; border-top: 1px solid var(--article-border); }
.faq details { padding: 1rem 0; border-bottom: 1px solid var(--article-border); }
.faq summary { cursor: pointer; font-weight: 100; }
.faq details p { margin: .75rem 0 0; }
.sources { margin-top: 3rem; padding: 1.5rem; border-radius: 14px; background: var(--article-surface); border: 1px solid var(--article-border); }
.sources h2 { margin-top: 0; }
.article-footer { padding: 2rem 4vw; background: #07172c; color: #c9dbe2; text-align: center; }
.article-footer a { color: #8ee6fa; }
@media (max-width: 820px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-aside { position: static; grid-row: 1; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .article-nav__inner { align-items: flex-start; flex-direction: column; }
  .article-hero h1 { font-size: clamp(2.1rem, 12vw, 3.2rem); }
}
@media (prefers-color-scheme: dark) {
  :root { --article-bg: #08111f; --article-surface: #101c2c; --article-text: #e8eef6; --article-muted: #b0bed0; --article-border: #28384b; --article-accent: #61d3ed; --article-accent-soft: #102c36; --article-quote: #102534; }
}