:root {
  --seo-blue: #1a5fb4;
  --seo-blue-hover: #174f96;
  --seo-blue-dark: #123c72;
  --seo-blue-deep: #0d2b52;
  --seo-blue-soft: #e8f0fb;
  --seo-green: #1a7f37;
  --seo-ink: #1c1e21;
  --seo-muted: #555f6b;
  --seo-border: #dce2e9;
  --seo-bg: #f5f6f8;
  --seo-white: #fff;
  --seo-shadow: 0 18px 50px rgba(13, 43, 82, 0.13);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--seo-bg);
  color: var(--seo-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--seo-blue);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--seo-blue-hover);
}

.seo-wrap {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.seo-skip {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 999;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--seo-white);
  transform: translateY(-160%);
}

.seo-skip:focus {
  transform: none;
}

.seo-site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(220, 226, 233, 0.9);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.seo-header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.seo-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--seo-ink);
  text-decoration: none;
  white-space: nowrap;
}

.seo-brand span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--seo-blue-dark), var(--seo-blue));
  color: var(--seo-white);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.6px;
}

.seo-brand strong {
  font-size: 16px;
}

.seo-header-inner nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.seo-header-inner nav > a {
  color: var(--seo-muted);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.seo-header-inner nav > a:hover {
  color: var(--seo-blue);
}

.seo-button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border: 1px solid var(--seo-blue);
  border-radius: 8px;
  background: var(--seo-blue);
  color: var(--seo-white) !important;
  font-size: 15px;
  font-weight: 750;
  line-height: 1.3;
  text-decoration: none;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    transform 0.15s ease;
}

.seo-button:hover {
  border-color: var(--seo-blue-hover);
  background: var(--seo-blue-hover);
  transform: translateY(-1px);
}

.seo-button-small {
  min-height: 38px;
  padding: 8px 16px;
}

.seo-button-secondary {
  border-color: rgba(255, 255, 255, 0.48);
  background: transparent;
}

.seo-button-secondary:hover {
  border-color: var(--seo-white);
  background: rgba(255, 255, 255, 0.1);
}

.seo-hero {
  overflow: hidden;
  background: radial-gradient(
      circle at 86% 22%,
      rgba(88, 151, 231, 0.35),
      transparent 30%
    ),
    linear-gradient(155deg, var(--seo-blue-deep), var(--seo-blue) 72%, #3576cf);
  color: var(--seo-white);
}

.seo-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  align-items: center;
  gap: 72px;
  padding-top: 88px;
  padding-bottom: 92px;
}

.seo-kicker {
  margin: 0 0 16px;
  color: #b8d3f2;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1.3px;
  text-transform: uppercase;
}

.seo-hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -1.5px;
}

.seo-hero-intro {
  max-width: 740px;
  margin: 24px 0 0;
  color: #dbe8f7;
  font-size: 20px;
  line-height: 1.6;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.seo-actions .seo-button:first-child {
  border-color: var(--seo-white);
  background: var(--seo-white);
  color: var(--seo-blue-dark) !important;
}

.seo-actions .seo-button:first-child:hover {
  background: var(--seo-blue-soft);
}

.seo-hero-card {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.09);
  box-shadow: 0 24px 60px rgba(3, 19, 42, 0.24);
  backdrop-filter: blur(10px);
}

.seo-hero-card p {
  margin: 0;
  color: #a9c9ed;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.seo-hero-card ul {
  display: grid;
  gap: 16px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.seo-hero-card li {
  position: relative;
  padding-left: 28px;
  color: #f1f6fc;
  font-size: 15px;
  font-weight: 650;
}

.seo-hero-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #78d18d;
  font-weight: 900;
}

.seo-breadcrumb {
  display: flex;
  gap: 9px;
  align-items: center;
  padding-top: 24px;
  color: var(--seo-muted);
  font-size: 13px;
}

.seo-breadcrumb a {
  text-decoration: none;
}

.seo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: start;
  gap: 64px;
  padding-top: 30px;
  padding-bottom: 96px;
}

.seo-article {
  min-width: 0;
  padding: 44px 52px 60px;
  border: 1px solid var(--seo-border);
  border-radius: 14px;
  background: var(--seo-white);
  box-shadow: 0 10px 36px rgba(28, 30, 33, 0.05);
}

.seo-byline {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--seo-border);
  color: var(--seo-muted);
  font-size: 13px;
}

.seo-article section {
  margin-top: 52px;
}

.seo-article section:first-of-type {
  margin-top: 32px;
}

.seo-article h2 {
  margin: 0 0 18px;
  color: var(--seo-blue-deep);
  font-size: 30px;
  line-height: 1.24;
  letter-spacing: -0.4px;
}

.seo-article h3 {
  margin: 0;
  color: var(--seo-ink);
  font-size: 18px;
  line-height: 1.35;
}

.seo-article p {
  margin: 16px 0 0;
}

.seo-lead {
  margin-top: 0 !important;
  color: #34404d;
  font-size: 21px;
  line-height: 1.62;
}

.seo-source {
  padding: 14px 16px;
  border-left: 3px solid #8eafda;
  background: #f4f7fb;
  color: var(--seo-muted);
  font-size: 14px;
}

.seo-grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.seo-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.seo-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.seo-card {
  padding: 23px;
  border: 1px solid var(--seo-border);
  border-radius: 10px;
  background: #fbfcfe;
}

.seo-card p {
  margin-top: 8px;
  color: var(--seo-muted);
  font-size: 15px;
  line-height: 1.58;
}

.seo-steps {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: seo-step;
}

.seo-steps li {
  position: relative;
  min-height: 78px;
  padding: 0 0 28px 58px;
  counter-increment: seo-step;
}

.seo-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 40px;
  bottom: 0;
  left: 18px;
  width: 2px;
  background: var(--seo-border);
}

.seo-steps li::before {
  content: counter(seo-step);
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--seo-blue);
  color: var(--seo-white);
  font-size: 14px;
  font-weight: 800;
}

.seo-steps strong,
.seo-steps span {
  display: block;
}

.seo-steps span {
  margin-top: 4px;
  color: var(--seo-muted);
  font-size: 15px;
}

.seo-table-wrap {
  overflow-x: auto;
  margin-top: 24px;
  border: 1px solid var(--seo-border);
  border-radius: 10px;
}

.seo-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.seo-table-wrap th,
.seo-table-wrap td {
  min-width: 210px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--seo-border);
  text-align: left;
  vertical-align: top;
}

.seo-table-wrap th {
  background: var(--seo-blue-deep);
  color: var(--seo-white);
  font-size: 14px;
}

.seo-table-wrap tr:last-child td {
  border-bottom: 0;
}

.seo-table-wrap tbody tr:nth-child(even) {
  background: #f8fafc;
}

.seo-callout {
  margin-top: 28px;
  padding: 26px;
  border: 1px solid #bdd0e8;
  border-radius: 10px;
  background: var(--seo-blue-soft);
}

.seo-callout p {
  margin-top: 8px;
  color: #344b67;
}

.seo-checklist {
  display: grid;
  gap: 13px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.seo-checklist li {
  position: relative;
  padding-left: 32px;
}

.seo-checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--seo-green);
  font-weight: 900;
}

.seo-source-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.seo-source-list a {
  display: flex;
  flex-direction: column;
  padding: 17px 19px;
  border: 1px solid var(--seo-border);
  border-radius: 8px;
  text-decoration: none;
}

.seo-source-list a:hover {
  border-color: #8eafda;
  background: #f8fbff;
}

.seo-source-list span {
  color: var(--seo-muted);
  font-size: 14px;
}

.seo-role-list,
.seo-feature-stack {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.seo-role-list article,
.seo-feature-stack article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--seo-border);
  border-radius: 10px;
  background: #fbfcfe;
}

.seo-role-list article > span,
.seo-feature-number {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--seo-blue-soft);
  color: var(--seo-blue);
  font-size: 13px;
  font-weight: 900;
}

.seo-role-list p,
.seo-feature-stack p {
  margin-top: 6px;
  color: var(--seo-muted);
  font-size: 15px;
}

.seo-feature-stack a {
  display: inline-block;
  margin-top: 9px;
  font-size: 14px;
  font-weight: 700;
}

.seo-faq details {
  border-top: 1px solid var(--seo-border);
}

.seo-faq details:last-child {
  border-bottom: 1px solid var(--seo-border);
}

.seo-faq summary {
  padding: 18px 30px 18px 0;
  color: var(--seo-blue-deep);
  font-weight: 750;
  cursor: pointer;
}

.seo-faq details p {
  margin: -4px 0 18px;
  color: var(--seo-muted);
}

.seo-sidebar {
  position: sticky;
  top: 94px;
  display: grid;
  gap: 18px;
}

.seo-sidebar-card {
  padding: 22px;
  border: 1px solid var(--seo-border);
  border-radius: 12px;
  background: var(--seo-white);
}

.seo-sidebar-label {
  margin: 0;
  color: var(--seo-muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.9px;
  text-transform: uppercase;
}

.seo-sidebar-card nav {
  display: grid;
  margin-top: 10px;
}

.seo-sidebar-card nav a {
  padding: 10px 0;
  border-bottom: 1px solid var(--seo-border);
  color: #34404d;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.45;
  text-decoration: none;
}

.seo-sidebar-card nav a:last-child {
  border-bottom: 0;
}

.seo-sidebar-card nav a:hover {
  color: var(--seo-blue);
}

.seo-sidebar-cta {
  border: 0;
  background: linear-gradient(
    150deg,
    var(--seo-blue-deep),
    var(--seo-blue-dark)
  );
  color: var(--seo-white);
}

.seo-sidebar-cta h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
}

.seo-sidebar-cta p {
  margin: 10px 0 18px;
  color: #c6d7eb;
  font-size: 14px;
}

.seo-sidebar-cta .seo-button {
  width: 100%;
  border-color: var(--seo-white);
  background: var(--seo-white);
  color: var(--seo-blue-dark) !important;
  font-size: 13px;
}

.seo-bottom-cta {
  padding: 76px 0;
  background: radial-gradient(
      circle at 15% 0,
      rgba(89, 150, 228, 0.27),
      transparent 26%
    ),
    var(--seo-blue-deep);
  color: var(--seo-white);
  text-align: center;
}

.seo-bottom-cta p {
  margin: 0;
  color: #9fc2eb;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.seo-bottom-cta h2 {
  max-width: 760px;
  margin: 12px auto 28px;
  font-size: 34px;
  line-height: 1.3;
}

.seo-button-light {
  border-color: var(--seo-white);
  background: var(--seo-white);
  color: var(--seo-blue-dark) !important;
}

.seo-footer {
  padding: 46px 0 26px;
  background: var(--seo-white);
  color: var(--seo-muted);
  font-size: 14px;
}

.seo-footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr 0.8fr;
  gap: 40px;
}

.seo-footer-grid strong {
  color: var(--seo-ink);
  font-size: 16px;
}

.seo-footer-grid p {
  margin: 8px 0 0;
}

.seo-footer-grid nav,
.seo-footer-grid > div:last-child {
  display: grid;
  align-content: start;
  gap: 7px;
}

.seo-footer-grid a {
  color: var(--seo-muted);
  text-decoration: none;
}

.seo-footer-grid a:hover {
  color: var(--seo-blue);
}

.seo-footer-legal {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--seo-border);
  font-size: 12px;
}

@media (max-width: 980px) {
  .seo-hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 64px;
    padding-bottom: 68px;
  }

  .seo-hero-card {
    max-width: 620px;
  }

  .seo-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .seo-sidebar {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .seo-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }

  .seo-wrap {
    width: min(100% - 28px, 1160px);
  }

  .seo-header-inner {
    min-height: 60px;
  }

  .seo-header-inner nav > a:not(.seo-button) {
    display: none;
  }

  .seo-brand strong {
    font-size: 14px;
  }

  .seo-button-small {
    min-height: 36px;
    padding: 7px 12px;
    font-size: 13px;
  }

  .seo-hero-grid {
    padding-top: 48px;
    padding-bottom: 54px;
  }

  .seo-hero h1 {
    font-size: 37px;
    letter-spacing: -0.8px;
  }

  .seo-hero-intro {
    font-size: 18px;
  }

  .seo-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .seo-breadcrumb span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .seo-layout {
    padding-top: 22px;
    padding-bottom: 60px;
  }

  .seo-article {
    padding: 28px 20px 40px;
  }

  .seo-article section {
    margin-top: 42px;
  }

  .seo-article h2 {
    font-size: 25px;
  }

  .seo-lead {
    font-size: 18px;
  }

  .seo-grid-2,
  .seo-grid-3,
  .seo-sidebar,
  .seo-footer-grid {
    grid-template-columns: 1fr;
  }

  .seo-role-list article,
  .seo-feature-stack article {
    grid-template-columns: 42px 1fr;
    gap: 14px;
    padding: 18px;
  }

  .seo-bottom-cta {
    padding: 58px 0;
  }

  .seo-bottom-cta h2 {
    font-size: 27px;
  }
}

@media print {
  .seo-site-header,
  .seo-sidebar,
  .seo-actions,
  .seo-bottom-cta,
  .seo-footer {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .seo-layout {
    display: block;
    padding: 0;
  }

  .seo-article {
    border: 0;
    box-shadow: none;
  }
}

/* Public editorial pages share the established site palette. */
.seo-editorial {
  background: #f6f8fb;
}

.seo-editorial .seo-wrap {
  width: min(1160px, calc(100% - 48px));
}

.seo-editorial .seo-breadcrumb {
  padding-top: 28px;
  line-height: 1.5;
}

.seo-editorial-heading {
  padding-top: 28px;
  padding-bottom: 12px;
}

.seo-eyebrow {
  margin: 0 0 14px;
  color: var(--seo-blue);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seo-editorial-heading h1 {
  max-width: 970px;
  margin: 0;
  color: var(--seo-blue-deep);
  font-size: clamp(32px, 4.4vw, 50px);
  line-height: 1.13;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.seo-editorial-description {
  max-width: 850px;
  margin: 20px 0 0;
  color: #44556a;
  font-size: 19px;
  line-height: 1.65;
}

.seo-editorial-byline {
  margin: 20px 0 0;
  color: var(--seo-muted);
  font-size: 13px;
}

.seo-editorial .seo-layout {
  grid-template-columns: minmax(0, 820px) minmax(230px, 280px);
  gap: 36px;
  padding-bottom: 72px;
}

.seo-editorial .seo-article {
  padding: 38px 40px 46px;
  border-radius: 12px;
}

.seo-article-body > p:first-child {
  margin-top: 0;
  font-size: 19px;
  color: #34404d;
}

.seo-article-body > h2 {
  margin: 40px 0 14px;
  font-size: 27px;
  line-height: 1.3;
  scroll-margin-top: 96px;
}

.seo-article-body > h3 {
  margin-top: 28px;
  scroll-margin-top: 96px;
}

.seo-article-body p,
.seo-article-body li {
  overflow-wrap: anywhere;
}

.seo-article-body ul {
  margin: 18px 0;
  padding-left: 23px;
}

.seo-article-body li + li {
  margin-top: 9px;
}

.seo-editorial .seo-table-wrap {
  max-width: 100%;
  scrollbar-width: thin;
}

.seo-editorial .seo-table-wrap th,
.seo-editorial .seo-table-wrap td {
  min-width: 115px;
  padding: 13px 15px;
}

.seo-editorial .seo-table-wrap td.seo-number {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.seo-editorial .seo-sidebar {
  max-height: calc(100vh - 112px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.seo-sidebar nav a[aria-current="page"] {
  color: var(--seo-blue);
  font-weight: 800;
}

.seo-editorial a:focus-visible,
.seo-editorial [tabindex]:focus-visible {
  outline: 3px solid #db9f27;
  outline-offset: 4px;
}

.seo-hub-content {
  padding-top: 32px;
  padding-bottom: 72px;
}

.seo-hub-content > section + section {
  margin-top: 56px;
}

.seo-hub-content h2 {
  margin: 0 0 24px;
  color: var(--seo-blue-deep);
  font-size: 28px;
  line-height: 1.3;
}

.seo-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.seo-guide-card {
  padding: 30px;
  border: 1px solid var(--seo-border);
  border-radius: 12px;
  background: #fff;
}

.seo-guide-number {
  margin: 0 0 14px;
  color: var(--seo-blue);
  font-weight: 750;
  font-size: 13px;
}

.seo-guide-card h3 {
  margin: 0;
  font-size: 23px;
  line-height: 1.35;
}

.seo-guide-card h3 a {
  color: var(--seo-blue-deep);
  text-decoration: none;
}

.seo-guide-card p:not(.seo-guide-number) {
  margin: 16px 0 20px;
  color: var(--seo-muted);
  font-size: 16px;
}

.seo-read-link {
  font-size: 15px;
  font-weight: 700;
}

.seo-resource-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: 36px;
  align-items: center;
  padding: 36px;
  border: 1px solid #c7d8ed;
  border-radius: 12px;
  background: #eaf2fc;
}

.seo-resource-panel h2 {
  margin-bottom: 16px;
}

.seo-resource-panel p:last-child {
  margin-bottom: 0;
  color: #44556a;
}

.seo-resource-actions {
  display: grid;
  gap: 16px;
  justify-items: start;
  font-size: 15px;
}

.seo-hub-demo {
  max-width: 760px;
}

.seo-editorial .seo-footer-grid > div,
.seo-editorial .seo-footer-grid nav {
  min-width: 0;
  overflow-wrap: anywhere;
}

@media (max-width: 980px) {
  .seo-editorial .seo-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .seo-editorial .seo-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
  }
  .seo-resource-panel {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .seo-editorial .seo-wrap {
    width: calc(100% - 28px);
  }
  .seo-editorial .seo-header-inner {
    gap: 12px;
  }
  .seo-editorial .seo-header-inner nav {
    gap: 12px;
  }
  .seo-editorial .seo-header-inner nav > .seo-nav-guides {
    display: inline-block;
  }
  .seo-editorial-heading {
    padding-top: 18px;
  }
  .seo-editorial-description {
    font-size: 17px;
  }
  .seo-editorial .seo-article {
    padding: 25px 20px 32px;
  }
  .seo-article-body > h2 {
    font-size: 24px;
  }
  .seo-guide-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .seo-guide-card,
  .seo-resource-panel {
    padding: 24px;
  }
  .seo-hub-content h2 {
    font-size: 25px;
  }
}

@media (max-width: 360px) {
  .seo-editorial .seo-brand strong {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .seo-button {
    transition: none;
  }
}

@media print {
  .seo-editorial .seo-wrap {
    width: 100%;
  }
  .seo-editorial .seo-layout {
    display: block;
  }
  .seo-editorial .seo-article {
    padding: 0;
  }
  .seo-editorial .seo-table-wrap {
    overflow: visible;
  }
  .seo-editorial-heading h1 {
    font-size: 26px;
  }
}