:root {
  color-scheme: light;
  --ink: #0f172a;
  --muted: #526173;
  --soft: #eef4ff;
  --line: #dbe4ee;
  --blue: #2563eb;
  --teal: #0f766e;
  --green: #0f9f86;
  --purple: #7c3aed;
  --paper: #ffffff;
  --wash: #f8fbff;
  --shadow: 0 18px 46px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #f8fbff 0%, #ffffff 42%, #f5fbf8 100%);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: #1d4ed8;
}

.seo-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.seo-nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid rgba(203, 213, 225, 0.72);
}

.seo-brand,
.seo-nav-links,
.seo-cta-row,
.seo-footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.seo-brand {
  gap: 10px;
  color: var(--ink);
  font-weight: 950;
  text-decoration: none;
}

.seo-brand img {
  width: 34px;
  height: 34px;
}

.seo-nav-links {
  gap: 14px;
  justify-content: flex-end;
}

.seo-nav-links a,
.seo-footer-links a {
  color: #475569;
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

.seo-nav-links a:hover,
.seo-nav-links a:focus-visible,
.seo-footer-links a:hover,
.seo-footer-links a:focus-visible {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.seo-nav-links .seo-primary-link,
.seo-button {
  min-height: 42px;
  padding: 10px 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: #fff;
  background: #111827;
  font-weight: 950;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16);
}

.seo-nav-links .seo-primary-link:hover,
.seo-nav-links .seo-primary-link:focus-visible,
.seo-button:hover,
.seo-button:focus-visible {
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

.seo-hero {
  padding: 54px 0 32px;
}

.seo-kicker {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.seo-hero h1 {
  max-width: 880px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(2.1rem, 6vw, 4.3rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.seo-hero-copy {
  max-width: 800px;
  margin: 18px 0 0;
  color: #334155;
  font-size: clamp(1.06rem, 2.2vw, 1.32rem);
  font-weight: 720;
}

.seo-meta {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.seo-meta span {
  padding: 6px 10px;
  border: 1px solid #cfe0ff;
  border-radius: 999px;
  color: #1d4ed8;
  background: #f8fbff;
  font-size: 0.78rem;
  font-weight: 900;
}

.seo-cta-row {
  margin-top: 24px;
  gap: 12px;
}

.seo-text-link {
  color: var(--teal);
  font-weight: 950;
  text-decoration: none;
}

.seo-text-link:hover,
.seo-text-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.seo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 312px;
  gap: 28px;
  align-items: start;
}

.seo-article,
.seo-side-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.seo-article {
  padding: clamp(20px, 4vw, 42px);
}

.seo-article h2 {
  margin: 34px 0 10px;
  color: var(--ink);
  font-size: clamp(1.32rem, 3vw, 2rem);
  line-height: 1.08;
}

.seo-article h2:first-child {
  margin-top: 0;
}

.seo-article h3 {
  margin: 24px 0 8px;
  font-size: 1.12rem;
  line-height: 1.2;
}

.seo-article p {
  margin: 0 0 14px;
  color: var(--muted);
}

.seo-article strong {
  color: var(--ink);
}

.seo-article ul,
.seo-article ol {
  margin: 12px 0 22px;
  padding-left: 22px;
  color: var(--muted);
}

.seo-article li {
  margin: 8px 0;
}

.seo-pullout,
.seo-proof,
.seo-template-box {
  margin: 24px 0;
  padding: 18px;
  border: 1px solid #bfe4d7;
  border-radius: 8px;
  background:
    linear-gradient(135deg, #f7fbff 0%, #ecfdf5 100%);
}

.seo-pullout strong,
.seo-proof strong,
.seo-template-box strong {
  display: block;
  margin-bottom: 6px;
}

.seo-card-grid,
.seo-media-grid {
  display: grid;
  gap: 14px;
}

.seo-card-grid {
  margin: 18px 0 26px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.seo-link-card {
  min-height: 164px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #f8fbff;
  color: var(--ink);
  text-decoration: none;
}

.seo-link-card span {
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seo-link-card strong {
  font-size: 1.05rem;
  line-height: 1.16;
}

.seo-link-card p {
  margin: 0;
  font-size: 0.94rem;
}

.seo-link-card:hover,
.seo-link-card:focus-visible {
  border-color: #93c5fd;
  background: #eef4ff;
  transform: translateY(-1px);
}

.seo-media-grid {
  margin: 20px 0 30px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.seo-media-grid figure {
  margin: 0;
}

.seo-media-grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef4ff;
}

.seo-media-grid figcaption {
  margin-top: 8px;
  color: #64748b;
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.35;
}

.seo-definition-list {
  margin: 18px 0 28px;
  display: grid;
  gap: 12px;
}

.seo-definition-list div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.seo-definition-list dt {
  margin: 0 0 5px;
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seo-definition-list dd {
  margin: 0;
  color: var(--muted);
}

.seo-step-list {
  counter-reset: seo-step;
  list-style: none;
  padding-left: 0;
}

.seo-step-list li {
  position: relative;
  min-height: 46px;
  padding-left: 54px;
}

.seo-step-list li::before {
  counter-increment: seo-step;
  content: counter(seo-step);
  position: absolute;
  top: 2px;
  left: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: var(--blue);
  font-weight: 950;
}

.seo-table-wrap {
  width: 100%;
  margin: 18px 0 26px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.seo-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: #fff;
}

.seo-table th,
.seo-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.seo-table th {
  color: #64748b;
  background: #f8fafc;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seo-table td {
  color: var(--muted);
}

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

.seo-sidebar {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 16px;
}

.seo-side-card {
  padding: 18px;
}

.seo-side-card h2,
.seo-side-card h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.seo-side-card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.seo-side-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.seo-side-card li {
  margin: 7px 0;
}

.seo-guide-links {
  display: grid;
  gap: 9px;
}

.seo-guide-links a {
  padding: 10px 12px;
  border: 1px solid #dbeafe;
  border-radius: 8px;
  background: #f8fbff;
  color: #1d4ed8;
  font-size: 0.9rem;
  font-weight: 850;
  text-decoration: none;
}

.seo-guide-links a:hover,
.seo-guide-links a:focus-visible {
  border-color: #9fbefb;
  background: #eef4ff;
}

.seo-faq details {
  margin: 10px 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.seo-faq summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 950;
}

.seo-faq p {
  margin: 10px 0 0;
}

.seo-footer {
  margin-top: 42px;
  padding: 26px 0 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid rgba(203, 213, 225, 0.72);
  color: #64748b;
  font-size: 0.88rem;
  font-weight: 800;
}

.seo-footer-links {
  gap: 14px;
  justify-content: flex-end;
}

@media (max-width: 900px) {
  .seo-grid {
    grid-template-columns: 1fr;
  }

  .seo-sidebar {
    position: static;
  }

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

@media (max-width: 640px) {
  .seo-shell {
    width: min(100% - 24px, 1120px);
  }

  .seo-nav,
  .seo-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .seo-nav-links,
  .seo-footer-links {
    justify-content: flex-start;
  }

  .seo-hero {
    padding-top: 36px;
  }

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