:root {
  --ink: #172026;
  --muted: #5c6b73;
  --line: #dbe2e7;
  --bg: #f7f9fb;
  --panel: #ffffff;
  --brand: #116466;
  --accent: #d96c2c;
  --soft: #eaf4f2;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: Arial, Helvetica, sans-serif; line-height: 1.6; }
a { color: inherit; }
.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.narrow { width: min(760px, calc(100% - 32px)); }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; }
.skip-link:focus { left: 8px; z-index: 10; }
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.nav-wrap { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; }
.brand-mark { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 8px; color: #fff; background: var(--brand); font-size: 13px; }
nav { display: flex; flex-wrap: wrap; gap: 14px; font-size: 14px; color: var(--muted); }
nav a { text-decoration: none; }
.language-switcher { display: inline-flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.language-switcher a { min-width: 34px; padding: 5px 7px; border-radius: 5px; color: var(--muted); font-size: 12px; font-weight: 800; text-align: center; text-decoration: none; }
.language-switcher a[aria-current="page"] { color: #fff; background: var(--brand); }
.hero { position: relative; min-height: min(720px, 76vh); display: flex; align-items: center; background: #dfe9e5 url('/assets/images/video-chat-review-hero.jpg') center/cover no-repeat; border-bottom: 1px solid var(--line); }
.hero::before { content: ""; position: absolute; inset: 0; background: rgba(255,255,255,.78); }
.hero-copy { position: relative; z-index: 1; padding: 72px 0; }
.hero-copy > * { max-width: 700px; }
.article-hero { background: #fff; border-bottom: 1px solid var(--line); }
.article-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 42px; align-items: center; padding: 56px 0; }
.eyebrow { color: var(--brand); text-transform: uppercase; font-size: 12px; font-weight: 800; letter-spacing: 0; }
h1 { font-size: 56px; line-height: 1.04; margin: 8px 0 18px; letter-spacing: 0; max-width: 880px; }
h2 { font-size: 26px; line-height: 1.2; margin: 34px 0 12px; letter-spacing: 0; }
.lede { font-size: 19px; color: var(--muted); max-width: 760px; }
.disclosure { color: var(--muted); font-size: 14px; max-width: 760px; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 18px; border-radius: 8px; background: var(--brand); color: #fff; font-weight: 800; text-decoration: none; border: 1px solid var(--brand); }
.button.secondary { background: #fff; color: var(--brand); }
.trust-band { background: var(--ink); color: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; padding: 18px 0; font-size: 13px; }
.trust-grid span { color: #c9d3d8; }
.trust-grid strong { display: block; color: #fff; }
.section-heading { margin: 52px 0 20px; display: flex; justify-content: space-between; gap: 24px; align-items: end; }
.section-heading p { color: var(--muted); max-width: 560px; margin: 0; }
.intent-grid, .page-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.intent-card, .page-card { display: grid; gap: 8px; min-height: 132px; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; }
.intent-card span, .page-card span { color: var(--muted); font-size: 14px; }
.page-card strong, .intent-card strong { font-size: 18px; line-height: 1.25; }
.center { text-align: center; margin: 28px 0 56px; }
.research-list { display: grid; border-top: 1px solid var(--line); margin-bottom: 56px; }
.research-list a { display: grid; grid-template-columns: 150px minmax(180px, .7fr) 1fr; gap: 20px; align-items: center; padding: 18px 4px; border-bottom: 1px solid var(--line); text-decoration: none; }
.research-list span, .research-list small { color: var(--muted); }
.research-list strong { font-size: 18px; }
.planned-list { margin: 28px 0 56px; padding: 20px 0; border-top: 1px solid var(--line); }
.planned-list ul { margin: 12px 0 0; padding: 0; list-style: none; columns: 2; column-gap: 36px; }
.planned-list li { display: flex; justify-content: space-between; gap: 16px; break-inside: avoid; padding: 9px 0; border-bottom: 1px solid var(--line); }
.planned-list span { color: var(--muted); font-size: 13px; white-space: nowrap; }
.comparison-band { margin-top: 56px; padding: 4px 0 56px; background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.method-section { padding-bottom: 20px; }
.method-grid { counter-reset: method; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin: 0; padding: 0; list-style: none; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.method-grid li { min-height: 132px; padding: 18px; background: #fff; }
.method-grid strong, .method-grid span { display: block; }
.method-grid strong { margin-bottom: 6px; }
.method-grid span { color: var(--muted); font-size: 14px; }
.page-title { padding: 54px 0 28px; background: #fff; border-bottom: 1px solid var(--line); }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 36px; align-items: start; margin-top: 36px; margin-bottom: 64px; }
.article-body { padding: 0 12px 0 0; }
.article-body p, .article-body li { color: #334047; }
.summary-panel, .toc, .offer-box { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 22px; }
.summary-panel h2 { margin-top: 0; }
.panel-label { margin: 0 0 8px; color: var(--brand); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.microcopy { color: var(--muted); font-size: 13px; }
.review-note { padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fact-list { margin: 18px 0 0; }
.fact-list div { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); }
.fact-list dt { color: var(--muted); }
.fact-list dd { margin: 0; font-weight: 700; text-align: right; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.feature-grid div { padding: 16px 0; border-top: 1px solid var(--line); }
.feature-grid strong, .feature-grid span { display: block; }
.feature-grid span { margin-top: 4px; color: var(--muted); }
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pros-cons > div { border-top: 3px solid var(--brand); }
.pros-cons > div:last-child { border-top-color: var(--accent); }
.pros-cons h3 { margin: 16px 0 8px; }
.check-list li { margin-bottom: 8px; }
.toc { position: sticky; top: 88px; display: grid; gap: 10px; }
.toc a { color: var(--muted); text-decoration: none; font-size: 14px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
table { border-collapse: collapse; width: 100%; background: #fff; min-width: 680px; }
th, td { text-align: left; padding: 13px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--soft); color: var(--brand); }
details { border-top: 1px solid var(--line); padding: 14px 0; }
summary { cursor: pointer; font-weight: 800; }
.site-footer { background: var(--ink); color: #fff; padding: 36px 0; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.footer-grid p { color: #c9d3d8; }
.footer-grid div:last-child { display: grid; gap: 8px; justify-items: end; }
.footer-grid a { color: #fff; text-decoration: none; }
@media (max-width: 820px) {
  .nav-wrap, .section-heading, .footer-grid { align-items: start; flex-direction: column; grid-template-columns: 1fr; }
  .article-grid, .content-layout, .pros-cons { grid-template-columns: 1fr; }
  .intent-grid, .page-grid { grid-template-columns: 1fr; }
  .trust-grid, .method-grid, .feature-grid { grid-template-columns: 1fr 1fr; }
  .toc { position: static; }
  h1 { font-size: 38px; }
  .footer-grid div:last-child { justify-items: start; }
  .language-switcher { position: absolute; right: 16px; top: 16px; }
  .research-list a { grid-template-columns: 1fr; gap: 3px; }
  .planned-list ul { columns: 1; }
}
@media (max-width: 520px) {
  .trust-grid, .method-grid, .feature-grid { grid-template-columns: 1fr; }
  .hero { min-height: 680px; background-position: 62% center; }
  .hero::before { background: rgba(255,255,255,.86); }
  h1 { font-size: 34px; }
}