/* Insights — English blog. Layered on person-brand.css (uses --nk-* variables). */

body.ins {
  margin: 0;
  font-family: var(--nk-font);
  color: var(--nk-l-ink);
  background: var(--nk-l-bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
body.ins .wrap { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
body.ins a { color: inherit; text-decoration: none; }
body.ins h1, body.ins h2, body.ins h3 { margin: 0; letter-spacing: -0.01em; line-height: 1.08; }
body.ins p { margin: 0; }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 12px; z-index: 100; background: var(--nk-l-bg2); border: 1px solid var(--nk-l-line); border-radius: 8px; padding: 8px 14px; }

/* --- header / nav (mirrors homepage) --- */
header.site { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--nk-l-bg) 86%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--nk-l-line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.nav .nk-mono { font-size: 26px; }
.nav nav { display: flex; gap: 30px; align-items: center; }
.nav nav a { font-size: 17px; color: var(--nk-l-dim); transition: color .15s; }
.nav nav a:hover, .nav nav a.active { color: var(--nk-l-ink); }
.nav nav a.active { font-weight: 700; }
.cta { display: inline-flex; align-items: center; gap: 10px; font-size: 16px; background: var(--nk-green); color: #0a1400; border-radius: 999px; padding: 12px 22px; border: none; cursor: pointer; transition: filter .15s, transform .15s; }
.cta:hover { filter: brightness(1.05); transform: translateY(-1px); }
.nav-toggle { display: none; }

/* --- overview --- */
.ins-hero { padding: 128px 0 32px; }
.ins-kicker { color: var(--nk-green-ink); font-size: 16px; letter-spacing: .04em; text-transform: uppercase; font-weight: 700; }
.ins-hero h1 { font-size: clamp(36px, 4.8vw, 62px); margin-top: 16px; }
.ins-hero p.lead { font-size: clamp(18px, 1.7vw, 22px); color: var(--nk-l-dim); max-width: 660px; margin-top: 22px; }

.ins-list { display: grid; gap: 24px; padding: 32px 0 40px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.ins-card { display: flex; flex-direction: column; background: var(--nk-l-bg2); border: 1px solid var(--nk-l-line); border-radius: 22px; padding: 34px 32px; transition: transform .18s, box-shadow .18s, border-color .18s; }
.ins-card:hover { transform: translateY(-4px); box-shadow: 0 20px 50px rgba(20,23,31,.10); border-color: color-mix(in srgb, var(--nk-green) 50%, var(--nk-l-line)); }
.ins-card .meta { font-size: 14px; color: var(--nk-green-ink); letter-spacing: .04em; text-transform: uppercase; }
.ins-card h2 { font-size: 26px; margin: 14px 0 10px; }
.ins-card p { font-size: 17px; color: var(--nk-l-dim); }
.ins-card .more { margin-top: auto; padding-top: 22px; color: var(--nk-green-ink); font-weight: 700; }
.ins-empty { padding: 24px 0 96px; color: var(--nk-l-dim); font-size: 19px; }
.ins-empty a { color: var(--nk-green-ink); font-weight: 700; }

/* --- article --- */
.article-wrap { max-width: 760px; }
article.post header { padding: 128px 0 4px; }
article.post .ins-kicker { margin-bottom: 8px; }
article.post h1 { font-size: clamp(32px, 4.4vw, 52px); margin-top: 8px; }
article.post .dek { font-size: clamp(19px, 1.8vw, 23px); color: var(--nk-l-dim); margin-top: 20px; }
.post-meta { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; font-size: 15px; color: var(--nk-l-dim); margin-top: 24px; }
.post-meta time { color: var(--nk-green-ink); font-weight: 700; }
.post-meta address.author { font-style: normal; display: inline; }
.post-meta address.author a { color: var(--nk-l-ink); }
.post-meta address.author a:hover { color: var(--nk-green-ink); }

.preview-note { margin-top: 26px; padding: 14px 18px; border: 1px dashed var(--nk-green-ink); border-radius: 12px; background: color-mix(in srgb, var(--nk-green) 8%, transparent); font-size: 15px; color: var(--nk-l-ink); }

.prose { font-size: 19px; line-height: 1.72; color: #2b313c; margin-top: 44px; }
/* body.ins prefix raises specificity above the base `body.ins h2/p { margin:0 }` reset. */
body.ins .prose > * + * { margin-top: 26px; }
body.ins .prose h2 { font-size: 28px; margin-top: 88px; color: var(--nk-l-ink); }
body.ins .prose h3 { font-size: 22px; margin-top: 52px; color: var(--nk-l-ink); }
body.ins .prose h2 + p, body.ins .prose h3 + p { margin-top: 16px; }
.prose a { color: var(--nk-green-ink); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { text-decoration: none; }
.prose ul, .prose ol { padding-left: 24px; }
.prose li + li { margin-top: 8px; }
.prose strong { font-weight: 700; }
.prose em { font-style: italic; }
.prose blockquote { border-left: 3px solid var(--nk-green); padding: 4px 0 4px 22px; margin-left: 0; color: var(--nk-l-ink); font-size: 21px; }
.prose figure { margin: 36px 0; }
.prose figure img { width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--nk-l-line); }
.prose figure figcaption { font-size: 14px; color: var(--nk-l-dim); margin-top: 10px; }
.prose code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; background: var(--nk-l-bg2); border: 1px solid var(--nk-l-line); border-radius: 6px; padding: 1px 6px; }
.prose .ack { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--nk-l-line); font-size: 15px; color: var(--nk-l-dim); }

/* --- byline --- */
.byline { display: flex; gap: 20px; align-items: flex-start; margin-top: 60px; padding: 28px 30px; background: var(--nk-l-bg2); border: 1px solid var(--nk-l-line); border-radius: 20px; }
.byline img { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; flex: none; }
.byline .who b { font-size: 18px; }
.byline .who p { font-size: 15px; color: var(--nk-l-dim); margin-top: 6px; line-height: 1.6; }
.byline .who a { color: var(--nk-green-ink); font-weight: 700; }

/* --- related + back --- */
.related { margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--nk-l-line); }
.related h2 { font-size: 15px; text-transform: uppercase; letter-spacing: .08em; color: var(--nk-l-dim); }
.related ul { list-style: none; padding: 0; margin: 16px 0 0; }
.related li { padding: 14px 0; border-bottom: 1px solid var(--nk-l-line); }
.related a { font-size: 19px; }
.related a:hover { color: var(--nk-green-ink); }
.back-link { display: inline-block; margin: 44px 0 24px; color: var(--nk-green-ink); font-weight: 700; }

/* --- footer (mirrors homepage) --- */
footer.site { padding: 50px 0 70px; border-top: 1px solid var(--nk-l-line); margin-top: 96px; }
.foot { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.foot .nk-mono { font-size: 22px; }
.foot .links { display: flex; gap: 26px; font-size: 16px; color: var(--nk-l-dim); flex-wrap: wrap; }
.foot .links a:hover { color: var(--nk-l-ink); }
.foot .legal { font-size: 14px; color: var(--nk-l-dim); width: 100%; margin-top: 18px; }

/* --- reveal --- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

@media (max-width: 1024px) {
  .nav nav { display: none; }
  .nav nav.open { display: flex; position: absolute; top: 78px; left: 0; right: 0; flex-direction: column; align-items: flex-start; background: var(--nk-l-bg2); padding: 20px 32px; gap: 18px; border-bottom: 1px solid var(--nk-l-line); }
  .nav-toggle { display: inline-flex; background: none; border: 1.5px solid var(--nk-l-line); border-radius: 10px; padding: 8px 12px; font-size: 18px; cursor: pointer; }
}
@media (max-width: 640px) {
  .ins-hero { padding: 104px 0 24px; }
  article.post header { padding-top: 104px; }
  body.ins .wrap { padding: 0 22px; }
}