:root {
  --ink: #07111f;
  --ink-soft: #344054;
  --muted: #667085;
  --line: #dfe6ef;
  --surface: #fff;
  --soft: #f5f8fc;
  --blue: #1267d6;
  --blue-dark: #064fae;
  --green: #147d5b;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
:focus-visible { outline: 3px solid rgba(18, 103, 214, .35); outline-offset: 3px; }
.wrap { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: -80px; left: 18px; padding: 11px 16px; border-radius: 9px; color: #fff; background: var(--blue-dark); }
.skip-link:focus { top: 18px; }

.site-header { position: sticky; z-index: 30; top: 0; border-bottom: 1px solid rgba(223,230,239,.9); background: rgba(255,255,255,.94); backdrop-filter: blur(16px); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 820; letter-spacing: -.03em; text-decoration: none; }
.brand-mark { display: grid; width: 36px; height: 36px; place-items: center; border-radius: 10px; color: #fff; background: var(--ink); }
.nav nav { display: flex; gap: 24px; align-items: center; }
.nav nav a { color: var(--ink-soft); font-size: 14px; font-weight: 700; text-decoration: none; }
.nav nav a:hover { color: var(--blue-dark); }

.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 12px 20px; border-radius: 12px; color: #fff; background: var(--blue); box-shadow: 0 12px 28px rgba(18,103,214,.2); font-size: 15px; font-weight: 780; line-height: 1.2; text-decoration: none; }
.button:hover { background: var(--blue-dark); }
.button-small { min-height: 44px; padding: 10px 16px; }
.button-light { color: var(--ink); background: #fff; }
.button-light:hover { background: #eaf5ff; }
.text-link { color: var(--blue-dark); font-size: 15px; font-weight: 760; text-underline-offset: 4px; }

.hero { overflow: hidden; padding: 70px 0 76px; background: radial-gradient(circle at 88% 12%, rgba(90,214,255,.22), transparent 31%), linear-gradient(180deg, #f7fbff, #fff); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; align-items: center; gap: 64px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; color: var(--muted); font-size: 13px; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:last-child { color: var(--ink); font-weight: 700; }
.eyebrow { margin: 0 0 15px; color: var(--blue-dark); font-size: 12px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; letter-spacing: -.035em; line-height: 1.12; }
h1 { max-width: 850px; margin-bottom: 22px; font-size: clamp(40px, 5.6vw, 68px); }
h2 { margin-bottom: 18px; font-size: clamp(29px, 3.6vw, 42px); }
h3 { margin-bottom: 11px; font-size: 23px; }
p { margin-top: 0; }
.lead { max-width: 740px; margin-bottom: 0; color: var(--ink-soft); font-size: clamp(19px, 2.1vw, 23px); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 30px; }
.proof { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 22px 0 0; padding: 0; color: var(--muted); font-size: 14px; list-style: none; }
.proof li::before { content: "✓"; margin-right: 7px; color: var(--green); font-weight: 900; }
.price-panel { padding: 30px; border: 1px solid #cddcf0; border-radius: 22px; background: rgba(255,255,255,.9); box-shadow: 0 24px 60px rgba(7,17,31,.12); }
.price-panel > span { display: inline-flex; padding: 5px 9px; border-radius: 999px; color: #075f44; background: #ddf7ed; font-size: 12px; font-weight: 830; text-transform: uppercase; }
.price-panel strong { display: block; margin: 16px 0 12px; font-size: 48px; letter-spacing: -.055em; line-height: 1; }
.price-panel small { color: var(--muted); font-size: 16px; letter-spacing: 0; }
.price-panel p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 310px; align-items: start; gap: 76px; padding-block: 82px; }
.article-layout article { min-width: 0; }
.article-meta { margin-bottom: 34px; color: var(--muted); font-size: 14px; }
.content-section { padding: 0 0 54px; }
.content-section + .content-section { padding-top: 10px; border-top: 1px solid var(--line); }
.content-section p { color: var(--ink-soft); }
.content-section li { margin-bottom: 9px; color: var(--ink-soft); }
.content-section a, .source-note a { color: var(--blue-dark); font-weight: 700; text-underline-offset: 3px; }
.note { margin-top: 28px; padding: 22px 24px; border-left: 4px solid var(--blue); border-radius: 0 12px 12px 0; background: var(--soft); }
.note p { margin: 5px 0 0; }
.side-card { position: sticky; top: 102px; padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: var(--soft); }
.side-card h2 { font-size: 24px; }
.side-card ul { padding-left: 20px; }
.side-card li { margin-bottom: 7px; color: var(--ink-soft); font-size: 15px; }
.side-card p { color: var(--muted); font-size: 14px; }
.side-card .button { width: 100%; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; min-width: 600px; font-size: 15px; }
th, td { padding: 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { color: #fff; background: var(--ink); }
tbody th { width: 25%; background: var(--soft); }
tr:last-child th, tr:last-child td { border-bottom: 0; }
.source-note { margin-top: 14px; color: var(--muted) !important; font-size: 13px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { padding: 18px 0; cursor: pointer; font-weight: 780; }
.faq details p { padding: 0 0 18px; }

.related { padding: 0 0 92px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.related-grid a { display: flex; min-height: 150px; flex-direction: column; gap: 10px; padding: 24px; border: 1px solid var(--line); border-radius: 17px; background: #fff; text-decoration: none; box-shadow: 0 10px 28px rgba(7,17,31,.05); }
.related-grid a:hover { border-color: #b5d0f4; transform: translateY(-2px); }
.related-grid strong { font-size: 19px; line-height: 1.25; }
.related-grid span { color: var(--muted); font-size: 14px; }

.final-cta { padding: 80px 0; color: #fff; background: radial-gradient(circle at 86% 16%, rgba(90,214,255,.22), transparent 32%), var(--ink); }
.final-cta h2 { max-width: 760px; }
.final-cta p:not(.eyebrow) { max-width: 700px; color: #c8d4e3; }
.final-cta .eyebrow { color: #74ddff; }
footer { padding: 54px 0 28px; background: #f4f7fb; }
.footer-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 50px; }
.footer-grid p { max-width: 420px; margin-top: 16px; color: var(--muted); font-size: 14px; }
.footer-grid nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; }
.footer-grid nav a { color: var(--ink-soft); font-size: 14px; }
.footer-bottom { display: flex; gap: 22px; margin-top: 42px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

@media (max-width: 900px) {
  .nav nav { display: none; }
  .hero-grid, .article-layout { grid-template-columns: 1fr; }
  .hero-grid { gap: 38px; }
  .price-panel { max-width: 520px; }
  .article-layout { gap: 26px; padding-block: 60px; }
  .side-card { position: static; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 66px; }
  .nav .button { display: none; }
  .hero { padding: 48px 0 56px; }
  .breadcrumbs { margin-bottom: 22px; }
  h1 { font-size: clamp(37px, 12vw, 52px); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .proof { display: grid; }
  .price-panel { padding: 24px; }
  .article-layout { padding-block: 48px; }
  .content-section { padding-bottom: 42px; }
  .related { padding-bottom: 62px; }
  .related-grid, .footer-grid, .footer-grid nav { grid-template-columns: 1fr; }
  .final-cta { padding: 62px 0; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}