:root {
  --seo-ink: #17211f;
  --seo-muted: #5d6965;
  --seo-orange: #e85418;
  --seo-orange-strong: #b93b0c;
  --seo-green: #0d6f5d;
  --seo-pale: #eef5f2;
  --seo-line: #dce5e1;
  --seo-paper: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--seo-ink);
  background: var(--seo-paper);
  font-family: Inter, "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.72;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.seo-container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.seo-skip {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 20;
  padding: 10px 14px;
  color: #fff;
  background: var(--seo-ink);
  transform: translateY(-160%);
}

.seo-skip:focus {
  transform: translateY(0);
}

.seo-header {
  position: relative;
  z-index: 5;
  border-bottom: 1px solid var(--seo-line);
  background: #fff;
}

.seo-header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.seo-brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.seo-brand span {
  display: grid;
  line-height: 1.2;
}

.seo-brand strong {
  font-size: 19px;
}

.seo-brand small {
  margin-top: 4px;
  color: var(--seo-muted);
  font-size: 11px;
}

.seo-header nav {
  display: flex;
  align-items: center;
  gap: 25px;
  font-size: 13px;
  font-weight: 700;
}

.seo-header nav a {
  text-decoration: none;
}

.seo-header nav a:hover,
.seo-header nav a:focus-visible {
  color: var(--seo-orange);
}

.seo-header nav a:focus-visible,
.seo-guide-card:focus-visible,
.seo-related-links a:focus-visible,
.seo-cta a:focus-visible {
  outline: 3px solid #f5a57d;
  outline-offset: 3px;
}

.seo-nav-cta {
  padding: 11px 16px;
  color: #fff !important;
  background: var(--seo-orange-strong);
  border-radius: 6px;
}

.seo-hero {
  position: relative;
  min-height: 540px;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  background: #29322f;
}

.seo-hero > img,
.seo-hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.seo-hero > img {
  object-fit: cover;
}

.seo-hero-shade {
  background: rgb(12 23 20 / 67%);
}

.seo-hero-content {
  position: relative;
  z-index: 1;
  padding-top: 90px;
  padding-bottom: 70px;
}

.seo-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
  color: rgb(255 255 255 / 72%);
  font-size: 12px;
}

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

.seo-eyebrow {
  margin: 0 0 12px;
  color: #ffd8c8;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.seo-eyebrow-dark {
  color: var(--seo-green);
}

.seo-hero h1,
.seo-hub-hero h1 {
  max-width: 920px;
  margin: 0;
  font-size: 48px;
  line-height: 1.08;
  letter-spacing: 0;
}

.seo-hero-content > p:last-child {
  max-width: 760px;
  margin: 24px 0 0;
  color: rgb(255 255 255 / 84%);
  font-size: 18px;
}

.seo-intro,
.seo-split,
.seo-related {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.7fr);
  gap: 60px;
  padding-top: 76px;
  padding-bottom: 76px;
}

.seo-intro > div:first-child > p,
.seo-split p,
.seo-related p {
  color: var(--seo-muted);
}

h2 {
  margin: 0 0 18px;
  font-size: 31px;
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.seo-summary-box {
  align-self: start;
  padding: 28px;
  border: 1px solid var(--seo-line);
  border-radius: 8px;
  background: var(--seo-pale);
}

.seo-summary-box h2 {
  font-size: 20px;
}

.seo-summary-box ul,
.seo-check-list,
.seo-cost-list,
.seo-resource-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.seo-summary-box li,
.seo-check-list li,
.seo-cost-list li,
.seo-resource-list li {
  position: relative;
  padding: 9px 0 9px 24px;
  border-top: 1px solid rgb(13 111 93 / 14%);
  color: var(--seo-muted);
}

.seo-summary-box li:first-child,
.seo-check-list li:first-child,
.seo-cost-list li:first-child,
.seo-resource-list li:first-child {
  border-top: 0;
}

.seo-summary-box li::before,
.seo-check-list li::before {
  content: "";
  position: absolute;
  top: 19px;
  left: 2px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--seo-green);
}

.seo-cost-list li::before,
.seo-resource-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--seo-orange);
}

.seo-text-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--seo-green);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.seo-section {
  padding-top: 76px;
  padding-bottom: 76px;
  border-top: 1px solid var(--seo-line);
}

.seo-section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.seo-step-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--seo-line);
  border-radius: 8px;
  list-style: none;
  background: var(--seo-line);
}

.seo-step-list li {
  min-height: 190px;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 18px;
  padding: 30px;
  background: #fff;
}

.seo-step-list li > span {
  color: var(--seo-orange-strong);
  font-size: 13px;
  font-weight: 800;
}

.seo-step-list p {
  margin: 0;
  color: var(--seo-muted);
}

.seo-split {
  border-top: 1px solid var(--seo-line);
}

.seo-split > div {
  min-width: 0;
}

.seo-faq {
  padding-top: 76px;
  padding-bottom: 76px;
  border-top: 1px solid var(--seo-line);
}

.seo-brief {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1.2fr);
  gap: 54px;
  padding-top: 76px;
  padding-bottom: 76px;
  border-top: 1px solid var(--seo-line);
}

.seo-brief > div > p:last-child {
  color: var(--seo-muted);
}

.seo-brief dl {
  margin: 0;
  border-top: 1px solid var(--seo-line);
}

.seo-brief dl > div {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--seo-line);
}

.seo-brief dt {
  color: var(--seo-green);
  font-size: 12px;
  font-weight: 800;
}

.seo-brief dd {
  margin: 0;
  color: var(--seo-muted);
  font-size: 14px;
}

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

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

.seo-faq summary {
  position: relative;
  padding: 22px 46px 22px 0;
  cursor: pointer;
  font-size: 17px;
  font-weight: 750;
}

.seo-faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 18px;
  color: var(--seo-orange-strong);
  font-size: 24px;
}

.seo-faq details[open] summary::after {
  content: "−";
}

.seo-faq details p {
  max-width: 800px;
  margin: 0;
  padding: 0 0 24px;
  color: var(--seo-muted);
}

.seo-related {
  border-top: 1px solid var(--seo-line);
}

.seo-related-links {
  display: grid;
  gap: 10px;
}

.seo-related-links a {
  padding: 18px 20px;
  border: 1px solid var(--seo-line);
  border-radius: 6px;
  text-decoration: none;
}

.seo-related-links a:hover,
.seo-related-links a:focus-visible {
  border-color: var(--seo-green);
}

.seo-related-links span {
  display: block;
  color: var(--seo-green);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.seo-related-links strong {
  display: block;
  margin-top: 4px;
}

.seo-resource-list a {
  color: var(--seo-green);
  text-underline-offset: 3px;
}

.seo-cta {
  color: #fff;
  background: var(--seo-green);
}

.seo-cta-inner {
  min-height: 190px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding-top: 42px;
  padding-bottom: 42px;
}

.seo-cta h2 {
  margin: 0;
  font-size: 34px;
}

.seo-cta-inner > a {
  flex: 0 0 auto;
  padding: 14px 20px;
  color: #fff;
  background: var(--seo-orange-strong);
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

.seo-footer {
  color: #d8e2de;
  background: #17211f;
}

.seo-footer-inner {
  min-height: 150px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 18px 32px;
  padding-top: 30px;
  padding-bottom: 30px;
  font-size: 12px;
}

.seo-footer-inner > p:last-child {
  grid-column: 1 / -1;
  color: #91a09b;
}

.seo-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

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

.seo-hub-hero {
  padding: 90px 0 72px;
  color: #fff;
  background: #17362f;
}

.seo-hub-hero h1 {
  max-width: 1000px;
}

.seo-hub-hero p:last-child {
  max-width: 760px;
  margin: 24px 0 0;
  color: #c8d7d1;
  font-size: 18px;
}

.seo-hub-body {
  padding-top: 64px;
  padding-bottom: 90px;
}

.seo-cluster {
  margin-bottom: 70px;
}

.seo-cluster-heading {
  margin-bottom: 22px;
}

.seo-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.seo-guide-card {
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--seo-line);
  border-radius: 8px;
  text-decoration: none;
}

.seo-guide-card:hover,
.seo-guide-card:focus-visible {
  border-color: var(--seo-orange);
}

.seo-guide-card > span {
  color: var(--seo-green);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.seo-guide-card h3 {
  margin-top: 10px;
  font-size: 21px;
}

.seo-guide-card p {
  color: var(--seo-muted);
}

.seo-guide-card strong {
  color: var(--seo-orange);
}

.seo-hub-note {
  padding-top: 40px;
  border-top: 1px solid var(--seo-line);
}

.seo-hub-note p {
  max-width: 850px;
  color: var(--seo-muted);
}

.seo-hub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.seo-hub-actions a {
  padding: 12px 17px;
  border: 1px solid var(--seo-ink);
  border-radius: 6px;
  font-weight: 750;
  text-decoration: none;
}

.seo-hub-actions a:first-child {
  color: #fff;
  border-color: var(--seo-orange);
  background: var(--seo-orange-strong);
}

@media (max-width: 820px) {
  .seo-container {
    width: min(100% - 28px, 1180px);
  }

  .seo-header-inner {
    min-height: 70px;
    align-items: flex-start;
    padding-top: 14px;
    padding-bottom: 12px;
  }

  .seo-header nav {
    max-width: 58%;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px 16px;
  }

  .seo-header nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .seo-nav-cta {
    display: none;
  }

  .seo-hero {
    min-height: 510px;
  }

  .seo-hero h1,
  .seo-hub-hero h1 {
    font-size: 36px;
  }

  .seo-intro,
  .seo-split,
  .seo-related,
  .seo-brief {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 52px;
    padding-bottom: 52px;
  }

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

  .seo-cta-inner {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .seo-footer-inner > p:last-child {
    grid-column: auto;
  }

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

@media (max-width: 520px) {
  body {
    font-size: 15px;
  }

  .seo-header-inner {
    display: grid;
  }

  .seo-header nav {
    max-width: none;
    justify-content: flex-start;
  }

  .seo-hero {
    min-height: 540px;
  }

  .seo-hero-content {
    padding-top: 54px;
    padding-bottom: 46px;
  }

  .seo-hero h1,
  .seo-hub-hero h1 {
    font-size: 31px;
  }

  .seo-hero-content > p:last-child,
  .seo-hub-hero p:last-child {
    font-size: 16px;
  }

  h2 {
    font-size: 27px;
  }

  .seo-step-list li {
    grid-template-columns: 38px 1fr;
    padding: 24px 20px;
  }

  .seo-brief dl > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .seo-cta h2 {
    font-size: 28px;
  }

  .seo-footer nav {
    display: grid;
  }
}
