body { background: hsl(var(--background)); }

.article-site-head { position: sticky; top: 0; }
.article-nav { display: flex; align-items: center; gap: 1.5rem; margin-left: auto; }
.article-nav a { color: hsl(var(--muted-foreground)); font-size: .85rem; font-weight: 700; text-decoration: none; }
.article-nav a:hover { color: hsl(var(--foreground)); }

.library-hero { padding: clamp(4rem, 9vw, 7.5rem) 0; background: hsl(var(--primary)); color: #fff; }
.library-hero .eyebrow { color: hsl(168 58% 68%); }
.library-hero h1 { max-width: 12ch; font-size: clamp(3rem, 8vw, 6rem); line-height: .98; }
.library-hero p:last-child { max-width: 39rem; color: hsl(210 28% 82%); font-size: 1.1rem; }
.library-main { padding-block: clamp(3.5rem, 8vw, 7rem); }
.library-heading { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 2rem; }
.library-heading h2 { margin: 0; font-size: clamp(2rem, 4vw, 3rem); }
.library-heading p { margin: 0; color: hsl(var(--muted-foreground)); }
.library-grid { display: grid; gap: 1.25rem; }
.library-card { overflow: hidden; border: 1px solid hsl(var(--border)); border-radius: 1.1rem; background: #fff; box-shadow: var(--shadow-card); }
.library-card > a { display: block; overflow: hidden; aspect-ratio: 16 / 9; }
.library-card img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.library-card:hover img { transform: scale(1.025); }
.library-card-body { padding: 1.4rem; }
.library-card .article-meta { color: hsl(var(--muted-foreground)); }
.library-card h3 { font-size: 1.4rem; }
.library-card h3 a { color: hsl(var(--foreground)); text-decoration: none; }
.library-card p { color: hsl(var(--muted-foreground)); font-size: .9rem; }
.library-card .article-read { color: hsl(var(--accent)); }
@media (min-width: 760px) { .library-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.library-cta { margin-top: clamp(3rem, 7vw, 5.5rem); padding: clamp(1.75rem, 5vw, 3rem); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; border-radius: 1.2rem; background: hsl(206 27% 93%); }
.library-cta h2 { margin-bottom: .4rem; font-size: clamp(1.5rem, 3vw, 2.2rem); }
.library-cta p { margin: 0; color: hsl(var(--muted-foreground)); }
.library-cta-actions { display: flex; flex-wrap: wrap; gap: .7rem; }

/* Article detail */
.article-hero { padding: clamp(3.5rem, 8vw, 6.5rem) 0 0; background: linear-gradient(180deg, hsl(206 27% 94%), hsl(var(--background))); }
.article-hero-inner { max-width: 52rem; margin-inline: auto; text-align: center; }
.article-hero .eyebrow { margin-bottom: 1.25rem; }
.article-hero h1 { margin-bottom: 1.25rem; font-size: clamp(2.6rem, 7vw, 5rem); line-height: 1.02; }
.article-dek { max-width: 43rem; margin: 0 auto 1.5rem; color: hsl(var(--muted-foreground)); font-size: clamp(1.05rem, 2vw, 1.25rem); }
.article-byline { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 1rem; color: hsl(var(--muted-foreground)); font-size: .8rem; }
.article-hero-image { display: block; width: min(70rem, calc(100% - 2rem)); max-height: 38rem; margin: clamp(2.5rem, 6vw, 4.5rem) auto 0; aspect-ratio: 16 / 8.5; object-fit: cover; border-radius: 1.25rem; box-shadow: var(--shadow-elegant); }

.article-layout { display: grid; gap: 3rem; max-width: 68rem; margin-inline: auto; padding-block: clamp(3rem, 7vw, 6rem); }
.article-body { min-width: 0; max-width: 46rem; }
.article-body > :first-child { margin-top: 0; }
.article-body h2 { margin: 2.4rem 0 .8rem; font-size: clamp(1.65rem, 3vw, 2.25rem); }
.article-body h3 { margin: 1.8rem 0 .65rem; font-size: 1.3rem; }
.article-body p, .article-body li { color: hsl(215 18% 28%); font-size: 1.02rem; line-height: 1.78; }
.article-body ul, .article-body ol { margin: 1rem 0 1.5rem; padding-left: 1.4rem; }
.article-body li { margin-bottom: .55rem; padding-left: .25rem; }
.article-body a { color: hsl(168 52% 29%); text-decoration-thickness: .08em; text-underline-offset: .15em; }
.article-body img { display: block; width: 100%; margin: 2rem 0 .5rem; border-radius: 1rem; }
.article-body figure { margin: 2rem 0; }
.article-body figcaption { color: hsl(var(--muted-foreground)); font-size: .76rem; text-align: center; }
.article-body blockquote { margin: 2rem 0; padding: 1.4rem 1.5rem; border-left: 4px solid hsl(var(--accent)); border-radius: 0 .75rem .75rem 0; background: hsl(var(--accent) / .07); }
.article-body blockquote p { margin: 0; color: hsl(var(--foreground)); font-size: 1.1rem; font-weight: 650; }
.article-callout { margin: 2rem 0; padding: 1.25rem 1.4rem; border: 1px solid hsl(var(--border)); border-radius: .85rem; background: hsl(var(--secondary) / .55); }
.article-callout strong { display: block; margin-bottom: .35rem; }
.article-callout p { margin: 0; font-size: .9rem; }
.video-embed { position: relative; width: 100%; margin: 2rem 0; overflow: hidden; aspect-ratio: 16 / 9; border-radius: 1rem; background: #000; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.article-aside { align-self: start; padding: 1.4rem; border: 1px solid hsl(var(--border)); border-radius: 1rem; background: #fff; box-shadow: var(--shadow-card); }
.article-aside h2 { font-size: 1.15rem; }
.article-aside p { color: hsl(var(--muted-foreground)); font-size: .85rem; }
.article-aside .btn { width: 100%; }
.article-aside .btn + .btn { margin-top: .6rem; }
@media (min-width: 940px) { .article-layout { grid-template-columns: minmax(0, 1fr) 18rem; } .article-aside { position: sticky; top: 6rem; } }

.article-disclaimer { padding-top: 1.5rem; border-top: 1px solid hsl(var(--border)); color: hsl(var(--muted-foreground)); font-size: .75rem; }
.simple-foot { padding: 2rem 0; background: hsl(215 52% 11%); color: hsl(210 22% 72%); font-size: .8rem; }
.simple-foot .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem; }
.simple-foot a { color: #fff; }

@media (max-width: 680px) {
  .article-nav > a:not(.btn) { display: none; }
  .article-nav { gap: .5rem; }
  .article-nav .btn { padding-inline: .85rem; }
  .article-nav .btn { font-size: 0; }
  .article-nav .btn::after { content: "Quote"; font-size: .78rem; }
  .article-hero-image { width: calc(100% - 2rem); aspect-ratio: 4 / 3; }
}