:root {
  --primary: #3847fe;
  --primary-dark: #2634da;
  --ink: #121212;
  --muted: #646464;
  --page: #f7f7f8;
  --card: #fff;
  --line: #e5e5e8;
  --soft: #eef0ff;
  --success: #087a50;
  --radius: 18px;
  --type-display: clamp(2.625rem, 4.4vw, 3.75rem);
  --type-article-title: clamp(2.5rem, 4vw, 3.5rem);
  --type-section-title: clamp(1.75rem, 2.6vw, 2.25rem);
  --type-article-section: clamp(1.75rem, 2.4vw, 2.25rem);
  --type-card-title: clamp(1.25rem, 1.5vw, 1.5rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--page); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: "Satoshi", ui-sans-serif, system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; height: auto; }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 100; }
.skip-link:focus { left: 12px; background: #fff; padding: 10px 14px; border-radius: 8px; }

.seo-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(229,229,232,.85);
  background: rgba(247,247,248,.92);
  backdrop-filter: blur(16px);
}
.seo-nav-inner, .seo-shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.seo-nav-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.seo-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 18px; font-weight: 700; line-height: 1; letter-spacing: -.02em; }
.seo-brand svg { display: block; flex: 0 0 26px; width: 26px; height: 26px; color: var(--primary); }
.seo-brand span { display: block; line-height: 1; }
.seo-nav-links { display: flex; align-items: center; gap: 20px; font-size: 14px; font-weight: 650; }
.seo-nav-links a { text-decoration: none; color: #4b4b4b; }
.seo-nav-links a:hover, .seo-nav-links a[aria-current="page"] { color: var(--ink); }
.seo-nav-cta, .seo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 10px;
  color: #fff !important;
  background: var(--ink);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid var(--ink);
}
.seo-button.primary { background: var(--primary); border-color: var(--primary); }
.seo-button.secondary { color: var(--ink) !important; background: #fff; border-color: var(--line); }
.seo-button:hover { transform: translateY(-1px); }

.seo-hero { padding: 76px 0 56px; }
.seo-eyebrow { display: inline-flex; color: var(--primary); font-size: 13px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.seo-hero h1 { max-width: 880px; margin: 16px 0 20px; font-size: var(--type-display); line-height: 1.04; letter-spacing: -.045em; }
.seo-hero .lead { max-width: 760px; margin: 0; color: var(--muted); font-size: clamp(19px, 2.2vw, 24px); line-height: 1.5; }
.seo-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.seo-proofline { display: flex; flex-wrap: wrap; gap: 12px 22px; margin-top: 24px; color: #525252; font-size: 14px; }
.seo-proofline span::before { content: "✓"; margin-right: 7px; color: var(--success); font-weight: 900; }

.seo-section { padding: 66px 0; }
.seo-section.alt { background: #fff; border-block: 1px solid var(--line); }
.seo-section-head { max-width: 760px; margin-bottom: 30px; }
.seo-section h2 { margin: 10px 0 14px; font-size: var(--type-section-title); line-height: 1.12; letter-spacing: -.03em; }
.seo-section h3 { margin: 0 0 10px; font-size: 20px; line-height: 1.25; }
.seo-section p, .seo-section li { color: #525252; font-size: 17px; line-height: 1.7; }
.seo-section p { max-width: 780px; }
.seo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.seo-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.seo-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.seo-section .seo-card h2 { font-size: var(--type-card-title); line-height: 1.22; letter-spacing: -.02em; }
.seo-card .number { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-bottom: 20px; border-radius: 10px; color: var(--primary); background: var(--soft); font-weight: 900; }
.seo-card a { color: var(--primary-dark); font-weight: 750; }
.seo-list { display: grid; gap: 12px; padding: 0; list-style: none; }
.seo-list li { padding-left: 28px; position: relative; }
.seo-list li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 900; }
.seo-note { padding: 20px 22px; border-left: 4px solid var(--primary); border-radius: 0 12px 12px 0; background: var(--soft); color: #363b77; }

.seo-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.seo-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.seo-table th, .seo-table td { padding: 16px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.seo-table th { background: #f1f1f3; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
.seo-table td { color: #484848; line-height: 1.55; }
.seo-table tr:last-child td { border-bottom: 0; }
.seo-table .yes { color: var(--success); font-weight: 800; }
.seo-table .no { color: #777; }

.price-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.price-card { display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.price-card.featured { border: 2px solid var(--primary); }
.price { margin: 16px 0 4px; font-size: 46px; font-weight: 900; letter-spacing: -.045em; }
.price small { font-size: 16px; color: var(--muted); letter-spacing: 0; }
.price-card .seo-button { margin-top: auto; }

.seo-byline { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 22px; color: #696969; font-size: 14px; }
.seo-breadcrumb { padding-top: 22px; font-size: 14px; color: #6b6b6b; }
.seo-breadcrumb a { text-decoration: none; }
.seo-article-hero { padding: 64px 0 46px; }
.seo-article-hero h1 { max-width: 900px; margin: 14px 0 18px; font-size: var(--type-article-title); line-height: 1.06; letter-spacing: -.045em; }
.seo-article-hero .lead { max-width: 780px; margin: 0; color: var(--muted); font-size: clamp(19px, 2vw, 23px); line-height: 1.55; }
.seo-article-hero .seo-byline a { color: var(--primary-dark); font-weight: 750; }
.seo-article-layout { display: grid; grid-template-columns: 250px minmax(0, 760px); justify-content: center; gap: 54px; align-items: start; }
.seo-toc { position: sticky; top: 100px; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: #fff; font-size: 14px; }
.seo-toc ol { display: grid; gap: 10px; margin: 14px 0 0; padding-left: 20px; color: #626262; }
.seo-toc a { text-decoration: none; line-height: 1.35; }
.seo-toc a:hover { color: var(--primary-dark); }
.seo-article-content { min-width: 0; }
.seo-article-content > p, .seo-article-section > p, .seo-article-section li { color: #454545; font-size: 18px; line-height: 1.78; }
.seo-article-content > p { margin: 0 0 22px; }
.seo-article-section { scroll-margin-top: 100px; padding: 38px 0 10px; }
.seo-article-section h2 { margin: 0 0 18px; font-size: var(--type-article-section); line-height: 1.15; letter-spacing: -.03em; }
.seo-article-section h3 { margin: 32px 0 10px; font-size: 23px; line-height: 1.3; }
.seo-article-section ul, .seo-article-section ol { display: grid; gap: 10px; padding-left: 26px; }
.seo-article-section a, .seo-article-content > p a { color: var(--primary-dark); font-weight: 700; }
.seo-tldr { margin: 0 0 32px; padding: 26px; border: 1px solid #cfd4ff; border-radius: var(--radius); background: var(--soft); }
.seo-tldr > strong { color: var(--primary-dark); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.seo-tldr p { margin: 8px 0 0; color: #30345e; font-size: 18px; line-height: 1.65; }
.seo-answer { margin: 0 0 22px; padding: 18px 20px; border-left: 4px solid var(--primary); border-radius: 0 12px 12px 0; background: #fff; color: #303030 !important; font-weight: 650; }
.seo-quote, .seo-template { margin: 18px 0 28px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.seo-quote p, .seo-template p { margin: 0 0 14px; color: #484848; font-size: 16px; line-height: 1.65; }
.seo-quote p:last-child, .seo-template p:last-child { margin-bottom: 0; }
.seo-faq-list { display: grid; gap: 14px; }
.seo-faq-item { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.seo-faq-item h3 { margin: 0 0 8px; font-size: 20px; }
.seo-faq-item p { margin: 0; color: #525252; font-size: 17px; line-height: 1.65; }
.seo-cta-band { margin: 70px auto; padding: 42px; border-radius: 24px; color: #fff; background: #161616; }
.seo-cta-band h2 { color: #fff; margin-top: 0; font-size: var(--type-section-title); line-height: 1.12; letter-spacing: -.03em; }
.seo-cta-band p { color: rgba(255,255,255,.7); }
.seo-cta-band .seo-button.secondary { background: transparent; color: #fff !important; border-color: rgba(255,255,255,.28); }

.seo-footer { overflow: hidden; margin-top: 72px; border-top: 1px solid var(--line); background: #fff; }
.seo-footer-inner { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 30px; padding: 48px 0; }
.seo-footer h3 { font-size: 14px; }
.seo-footer a, .seo-footer p { display: block; margin: 8px 0; color: #616161; font-size: 14px; line-height: 1.5; text-decoration: none; }
.seo-footer .seo-brand { display: inline-flex; flex-direction: row; align-items: center; color: var(--ink); }
.seo-footer .seo-brand svg { color: var(--primary); }
.seo-footer .seo-brand:hover { color: #616161; }
.seo-footer a:not(.seo-brand) { transition: color 160ms ease; }
.seo-footer a:not(.seo-brand):hover { color: var(--ink); }
.seo-footer a:not(.seo-brand):focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; border-radius: 3px; }

@media (max-width: 850px) {
  .seo-nav-links { display: none; }
  .seo-grid, .seo-grid.two, .price-grid { grid-template-columns: 1fr; }
  .seo-footer-inner { grid-template-columns: 1fr 1fr; }
  .seo-article-layout { grid-template-columns: 1fr; }
  .seo-toc { position: static; }
}
@media (max-width: 540px) {
  .seo-nav-inner, .seo-shell { width: min(100% - 28px, 1160px); }
  .seo-nav-cta { min-height: 40px; padding: 0 14px; }
  .seo-hero { padding-top: 62px; }
  .seo-hero h1, .seo-article-hero h1 { font-size: 2.375rem; }
  .seo-section { padding: 48px 0; }
  .seo-card, .price-card { padding: 22px; }
  .seo-cta-band { padding: 28px 22px; }
  .seo-footer-inner { grid-template-columns: 1fr; }
}

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