:root {
  --ink: #17181d;
  --muted: #646671;
  --paper: #fbfaf8;
  --surface: #ffffff;
  --line: #e5e2dc;
  --violet: #6747ee;
  --violet-soft: #f0ecff;
  --blue: #0a66c2;
  --blue-soft: #eaf4ff;
  --green: #19764b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--violet); text-underline-offset: 3px; }
img { height: auto; max-width: 100%; }
.shell { margin: 0 auto; max-width: 1120px; padding: 0 28px; }
.site-nav {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  min-height: 78px;
}
.wordmark { color: var(--ink); font-size: 23px; font-weight: 800; letter-spacing: -1px; text-decoration: none; }
.wordmark span { color: var(--violet); }
.nav-links { align-items: center; display: flex; gap: 22px; }
.nav-links a { color: var(--muted); font-size: 14px; font-weight: 650; text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.index-hero { max-width: 740px; padding: 58px 0 42px; }
.eyebrow { color: var(--violet); font-size: 12px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3 { letter-spacing: -.035em; line-height: 1.16; }
h1 { font-size: clamp(34px, 4.7vw, 52px); margin: 16px 0 18px; }
.index-hero p { color: var(--muted); font-size: 17px; margin: 0; max-width: 680px; }
.cluster { border-top: 1px solid var(--line); padding: 42px 0 62px; }
.cluster-head { align-items: end; display: flex; gap: 24px; justify-content: space-between; margin-bottom: 22px; }
.cluster h2 { font-size: 26px; margin: 0; }
.cluster-head p { color: var(--muted); font-size: 14px; margin: 0; max-width: 510px; }
.guide-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
.guide-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 15px;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  min-height: 270px;
  padding: 25px;
  text-decoration: none;
  transition: box-shadow .2s, transform .2s;
}
.guide-card:hover { box-shadow: 0 14px 34px rgba(25, 20, 15, .08); transform: translateY(-3px); }
.guide-card .label { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.heygen-card .label { color: var(--violet); }
.guide-card h3 { font-size: 21px; margin: 17px 0 11px; }
.guide-card p { color: var(--muted); font-size: 14px; line-height: 1.6; margin: 0; }
.guide-card .read { font-size: 13px; font-weight: 750; margin-top: auto; padding-top: 22px; }

.article-shell { margin: 0 auto; max-width: 790px; padding: 0 28px; }
.breadcrumbs { color: var(--muted); font-size: 13px; padding-top: 28px; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.article-header { padding: 44px 0 34px; }
.article-header h1 { font-size: clamp(34px, 5vw, 50px); margin-bottom: 18px; max-width: 780px; }
.dek { color: var(--muted); font-size: 18px; line-height: 1.55; margin: 0 0 21px; max-width: 730px; }
.byline { color: var(--muted); font-size: 13px; }
.byline strong { color: var(--ink); }
.quick-answer {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--violet);
  border-radius: 12px;
  margin: 3px 0 38px;
  padding: 22px 24px;
}
.linkedin-article .quick-answer { border-left-color: var(--blue); }
.quick-answer strong { display: block; font-size: 13px; letter-spacing: .07em; margin-bottom: 7px; text-transform: uppercase; }
.quick-answer p { margin: 0; }
.inline-extension-cta {
  align-items: center;
  background: linear-gradient(135deg, #18171e, #22202b);
  border: 1px solid #373244;
  border-radius: 13px;
  display: flex;
  gap: 22px;
  justify-content: space-between;
  margin: -17px 0 38px;
  padding: 18px 20px;
}
.inline-extension-cta div { min-width: 0; }
.inline-extension-cta strong { color: #f7f6fa; display: block; font-size: 16px; line-height: 1.35; }
.inline-extension-cta p { color: #aaa7b3; font-size: 13px; line-height: 1.5; margin: 4px 0 0; }
.chrome-store-button {
  align-items: center;
  background: var(--violet);
  border-radius: 9px;
  color: #fff;
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 14px;
  font-weight: 750;
  gap: 9px;
  padding: 11px 15px;
  text-decoration: none;
}
.chrome-store-button:hover { background: #5839df; }
.chrome-store-button svg { height: 20px; width: 20px; }
.linkedin-article .inline-extension-cta {
  background: linear-gradient(135deg, #082f55, #0a3c6d);
  border-color: #17578f;
}
.linkedin-article .inline-extension-cta p { color: #bfd3e5; }
.linkedin-article .chrome-store-button { background: var(--blue); }
.linkedin-article .chrome-store-button:hover { background: #08559f; }
.toc { border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); margin: 0 0 42px; padding: 20px 0; }
.toc strong { font-size: 13px; }
.toc ol { columns: 2; margin: 9px 0 0; padding-left: 22px; }
.toc li { break-inside: avoid; font-size: 14px; margin: 5px 0; padding-right: 18px; }
.toc a { color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--ink); }
article h2 { font-size: 29px; margin: 55px 0 17px; scroll-margin-top: 24px; }
article h3 { font-size: 20px; margin: 34px 0 11px; }
article p, article li { font-size: 17px; }
article p { margin: 0 0 20px; }
article ul, article ol { margin: 0 0 24px; padding-left: 25px; }
article li { margin-bottom: 9px; }
article blockquote { border-left: 3px solid var(--line); color: var(--muted); margin: 28px 0; padding-left: 20px; }
article code { background: #efede9; border-radius: 4px; font-size: .9em; padding: 2px 5px; }
.table-wrap { margin: 25px 0 30px; overflow-x: auto; }
table { border-collapse: collapse; font-size: 15px; width: 100%; }
th, td { border-bottom: 1px solid var(--line); padding: 12px 13px; text-align: left; vertical-align: top; }
th { background: #f2f0ec; font-size: 13px; }
.checklist { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 22px 24px 7px; }
.checklist li::marker { color: var(--green); }
.note { background: #f2f0ec; border-radius: 10px; font-size: 15px; margin: 26px 0; padding: 18px 20px; }
.sources { border-top: 1px solid var(--line); margin-top: 56px; padding-top: 28px; }
.sources h2 { font-size: 22px; margin-top: 0; }
.sources li { font-size: 14px; }
.product-cta {
  background: #19191e;
  border-radius: 16px;
  color: #f7f6f9;
  margin: 54px 0 10px;
  padding: 30px;
}
.linkedin-article .product-cta { background: #072f55; }
.product-cta h2 { font-size: 25px; margin: 0 0 10px; }
.product-cta p { color: #cbc9d2; font-size: 15px; }
.product-cta a { background: var(--violet); border-radius: 8px; color: white; display: inline-block; font-size: 14px; font-weight: 750; padding: 11px 16px; text-decoration: none; }
.linkedin-article .product-cta a { background: #fff; color: var(--blue); }
.disclosure { color: var(--muted); font-size: 12px; margin-top: 14px; }
.site-footer { border-top: 1px solid var(--line); color: var(--muted); display: flex; font-size: 13px; justify-content: space-between; margin-top: 72px; padding: 28px 0 38px; }
.site-footer a { color: var(--muted); }
@media (max-width: 760px) {
  .shell, .article-shell { padding-left: 20px; padding-right: 20px; }
  .nav-links a:not(:last-child) { display: none; }
  .index-hero { padding-top: 58px; }
  .cluster-head { align-items: start; flex-direction: column; }
  .guide-grid { grid-template-columns: 1fr; }
  .guide-card { min-height: 220px; }
  .article-header { padding-top: 42px; }
  .dek { font-size: 18px; }
  .toc ol { columns: 1; }
  .inline-extension-cta { align-items: stretch; flex-direction: column; gap: 15px; }
  .chrome-store-button { justify-content: center; width: 100%; }
  article h2 { font-size: 25px; }
  article p, article li { font-size: 16px; }
  .site-footer { display: block; line-height: 2; }
}