.seo-service-page {
  --detail-ink: #07101d;
  --detail-paper: #f1f6ff;
  --detail-blue: #2176ff;
  --detail-line: rgba(7, 16, 29, 0.18);
  background: var(--detail-paper);
  color: var(--detail-ink);
}

.seo-service-page .site-header {
  position: relative;
  background: var(--detail-ink);
}

.seo-service-page main {
  overflow: hidden;
}

.seo-breadcrumbs {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 0;
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seo-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo-breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 10px;
  opacity: 0.45;
}

.seo-breadcrumbs a {
  color: inherit;
}

.seo-detail-hero,
.seo-detail-section,
.seo-related,
.seo-detail-cta {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.seo-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(270px, 0.65fr);
  gap: clamp(40px, 8vw, 120px);
  align-items: end;
  min-height: 620px;
  padding: clamp(70px, 10vw, 140px) 0 90px;
}

.seo-detail-hero .micro,
.seo-detail-section .micro,
.seo-related .micro {
  color: var(--detail-blue);
}

.seo-detail-hero h1 {
  max-width: 900px;
  margin: 18px 0 28px;
  font-family: "Oswald", sans-serif;
  font-size: clamp(4rem, 9vw, 8.6rem);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.055em;
  text-transform: uppercase;
}

.seo-detail-hero h1 em {
  color: var(--detail-blue);
  font-style: normal;
}

.seo-detail-hero .lede {
  max-width: 780px;
  margin: 0;
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  line-height: 1.55;
}

.seo-hero-aside {
  border-top: 1px solid var(--detail-line);
  padding-top: 22px;
}

.seo-hero-aside p {
  margin: 0 0 24px;
  line-height: 1.65;
}

.seo-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.seo-button,
.seo-button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid var(--detail-ink);
  font-family: "DM Mono", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.seo-button {
  background: var(--detail-ink);
  color: white;
}

.seo-button-secondary {
  color: var(--detail-ink);
}

.seo-proof-strip {
  border-block: 1px solid var(--detail-line);
  background: rgba(255, 255, 255, 0.45);
}

.seo-proof-strip ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.seo-proof-strip li {
  min-height: 140px;
  padding: 28px;
  border-right: 1px solid var(--detail-line);
}

.seo-proof-strip li:first-child {
  border-left: 1px solid var(--detail-line);
}

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

.seo-proof-strip strong {
  margin-bottom: 8px;
  font-family: "Oswald", sans-serif;
  font-size: 1.5rem;
  text-transform: uppercase;
}

.seo-proof-strip span {
  line-height: 1.5;
  opacity: 0.7;
}

.seo-detail-section {
  padding: clamp(80px, 10vw, 140px) 0;
}

.seo-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.65fr) minmax(300px, 1fr);
  gap: clamp(30px, 7vw, 110px);
  align-items: start;
  margin-bottom: 48px;
}

.seo-section-heading h2,
.seo-related h2,
.seo-detail-cta h2 {
  margin: 10px 0 0;
  font-family: "Oswald", sans-serif;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.seo-section-heading > p {
  max-width: 720px;
  margin: 5px 0 0;
  font-size: 1.08rem;
  line-height: 1.75;
}

.seo-card-grid,
.seo-process-grid,
.seo-evidence-grid,
.seo-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--detail-line);
  background: var(--detail-line);
}

.seo-card,
.seo-process-card,
.seo-evidence-card,
.seo-related-card {
  min-height: 280px;
  padding: clamp(24px, 4vw, 42px);
  background: var(--detail-paper);
}

.seo-card span,
.seo-process-card > span,
.seo-evidence-card > span {
  display: block;
  margin-bottom: 56px;
  color: var(--detail-blue);
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seo-card h3,
.seo-process-card h3,
.seo-evidence-card h3,
.seo-related-card h3 {
  margin: 0 0 14px;
  font-family: "Oswald", sans-serif;
  font-size: clamp(1.6rem, 2.8vw, 2.45rem);
  line-height: 1;
  text-transform: uppercase;
}

.seo-card p,
.seo-process-card p,
.seo-evidence-card p,
.seo-related-card p {
  margin: 0;
  line-height: 1.65;
}

.seo-evidence-card a,
.seo-related-card a {
  display: inline-flex;
  margin-top: 24px;
  color: inherit;
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.seo-detail-section.is-dark {
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100% - 1180px) / 2));
  background: var(--detail-ink);
  color: white;
}

.seo-detail-section.is-dark .seo-process-grid {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.22);
}

.seo-detail-section.is-dark .seo-process-card {
  background: var(--detail-ink);
}

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

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

.seo-faq summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  padding: 26px 0;
  cursor: pointer;
  font-family: "Oswald", sans-serif;
  font-size: clamp(1.35rem, 2.3vw, 2rem);
  text-transform: uppercase;
}

.seo-faq summary::after {
  content: "+";
  color: var(--detail-blue);
}

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

.seo-faq p {
  max-width: 820px;
  margin: 0 0 28px;
  line-height: 1.75;
}

.seo-related {
  padding: 0 0 clamp(80px, 10vw, 140px);
}

.seo-related h2 {
  margin-bottom: 40px;
}

.seo-related-card {
  min-height: 240px;
}

.seo-detail-cta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
  margin-bottom: 90px;
  padding: clamp(36px, 6vw, 72px);
  background: var(--detail-blue);
  color: white;
}

.seo-detail-cta .seo-button {
  border-color: white;
  background: white;
  color: var(--detail-ink);
}

@media (max-width: 900px) {
  .seo-detail-hero,
  .seo-section-heading,
  .seo-detail-cta {
    grid-template-columns: 1fr;
  }

  .seo-detail-hero {
    min-height: auto;
  }

  .seo-proof-strip ul,
  .seo-card-grid,
  .seo-process-grid,
  .seo-evidence-grid,
  .seo-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .seo-breadcrumbs,
  .seo-detail-hero,
  .seo-detail-section,
  .seo-related,
  .seo-detail-cta,
  .seo-proof-strip ul {
    width: min(100% - 28px, 1180px);
  }

  .seo-detail-hero h1 {
    font-size: clamp(3.35rem, 17vw, 5.2rem);
  }

  .seo-proof-strip ul,
  .seo-card-grid,
  .seo-process-grid,
  .seo-evidence-grid,
  .seo-related-grid {
    grid-template-columns: 1fr;
  }

  .seo-proof-strip li,
  .seo-proof-strip li:first-child {
    border-right: 0;
    border-left: 0;
    border-bottom: 1px solid var(--detail-line);
  }

  .seo-card,
  .seo-process-card,
  .seo-evidence-card,
  .seo-related-card {
    min-height: 0;
  }
}