.seo-depth-section {
  padding: 5.5rem 1.25rem;
  background: hsl(var(--sec-alt));
  color: hsl(var(--sec-text));
}

.seo-depth-section.seo-dark {
  background: hsl(var(--sec-bg));
  color: #fff;
}

.seo-shell {
  width: min(76rem, 100%);
  margin-inline: auto;
}

.seo-narrow {
  width: min(54rem, 100%);
  margin-inline: auto;
}

.seo-eyebrow {
  margin: 0 0 .85rem;
  color: hsl(var(--sec-gold));
  font: 700 .76rem/1.2 "Barlow Condensed", sans-serif;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.seo-title {
  max-width: 56rem;
  margin: 0;
  color: hsl(var(--sec-bright));
  font: 800 clamp(2rem, 5vw, 3.5rem)/1.02 "Barlow Condensed", sans-serif;
  letter-spacing: -.025em;
}

.seo-dark .seo-title,
.seo-dark .seo-card h3,
.seo-dark .seo-step h3 {
  color: #fff;
}

.seo-lead {
  max-width: 51rem;
  margin: 1.25rem 0 0;
  color: hsl(var(--sec-muted));
  font-size: 1.08rem;
  line-height: 1.75;
}

.seo-dark .seo-lead,
.seo-dark .seo-card p,
.seo-dark .seo-step p,
.seo-dark .seo-list li {
  color: rgb(255 255 255 / .7);
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2.25rem;
}

.seo-card {
  grid-column: span 3;
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid hsl(var(--sec-edge));
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 14px 36px rgb(11 23 43 / .06);
}

.seo-card.seo-wide {
  grid-column: span 6;
}

.seo-dark .seo-card {
  border-color: rgb(255 255 255 / .12);
  background: rgb(255 255 255 / .055);
  box-shadow: none;
}

.seo-card-number {
  display: inline-grid;
  width: 2.4rem;
  height: 2.4rem;
  margin-bottom: 1rem;
  place-items: center;
  border-radius: .65rem;
  background: hsl(var(--sec-gold) / .12);
  color: hsl(var(--sec-gold));
  font: 800 .9rem/1 "Barlow Condensed", sans-serif;
}

.seo-card h3,
.seo-step h3 {
  margin: 0 0 .65rem;
  color: hsl(var(--sec-text));
  font: 800 1.16rem/1.2 "Barlow Condensed", sans-serif;
}

.seo-card p,
.seo-step p {
  margin: 0;
  color: hsl(var(--sec-muted));
  font-size: .94rem;
  line-height: 1.65;
}

.seo-card a,
.seo-text-link {
  color: hsl(var(--sec-gold));
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: .22em;
}

.seo-scenarios {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.25rem;
}

.seo-scenario {
  padding: 1.4rem;
  border-left: 3px solid hsl(var(--sec-gold));
  border-radius: 0 .9rem .9rem 0;
  background: #fff;
}

.seo-scenario strong {
  display: block;
  margin-bottom: .5rem;
  color: hsl(var(--sec-text));
  font: 800 1.05rem/1.2 "Barlow Condensed", sans-serif;
}

.seo-scenario p {
  margin: 0;
  color: hsl(var(--sec-muted));
  font-size: .91rem;
  line-height: 1.6;
}

.seo-process {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

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

.seo-step {
  position: relative;
  min-height: 11.25rem;
  padding: 1.5rem 1.5rem 1.5rem 4.2rem;
  border: 1px solid rgb(255 255 255 / .12);
  border-radius: 1rem;
  background: rgb(255 255 255 / .05);
}

.seo-step > span {
  position: absolute;
  top: 1.5rem;
  left: 1.35rem;
  display: grid;
  width: 2.15rem;
  height: 2.15rem;
  place-items: center;
  border: 1px solid hsl(var(--sec-gold));
  border-radius: 999px;
  color: hsl(var(--sec-gold));
  font: 800 .78rem/1 "Barlow Condensed", sans-serif;
}

.seo-panel {
  padding: 1.6rem;
  border: 1px solid hsl(var(--sec-gold) / .35);
  border-radius: 1rem;
  background: hsl(var(--sec-gold) / .09);
}

.seo-panel h3 {
  margin: 0 0 1rem;
  color: inherit;
  font: 800 1.25rem/1.2 "Barlow Condensed", sans-serif;
}

.seo-list {
  display: grid;
  gap: .72rem;
  margin: 0;
  padding: 0;
}

.seo-list li {
  position: relative;
  padding-left: 1.35rem;
  color: hsl(var(--sec-muted));
  font-size: .92rem;
  line-height: 1.55;
}

.seo-list li::before {
  position: absolute;
  top: .58em;
  left: 0;
  width: .48rem;
  height: .48rem;
  border-radius: 999px;
  background: hsl(var(--sec-gold));
  content: "";
}

.seo-decision-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2.25rem;
}

.seo-decision {
  padding: 1.75rem;
  border: 1px solid hsl(var(--sec-edge));
  border-radius: 1rem;
  background: #fff;
}

.seo-decision h3 {
  margin: 0 0 .75rem;
  color: hsl(var(--sec-text));
  font: 800 1.45rem/1.15 "Barlow Condensed", sans-serif;
}

.seo-decision p {
  margin: 0 0 1rem;
  color: hsl(var(--sec-muted));
  line-height: 1.7;
}

.seo-faq {
  display: grid;
  gap: .75rem;
  margin-top: 2.25rem;
}

.seo-faq details {
  border: 1px solid hsl(var(--sec-edge));
  border-radius: .9rem;
  background: #fff;
  overflow: clip;
}

.seo-faq summary {
  position: relative;
  padding: 1.15rem 3.2rem 1.15rem 1.25rem;
  color: hsl(var(--sec-text));
  cursor: pointer;
  font: 800 1rem/1.35 "Barlow Condensed", sans-serif;
  list-style: none;
}

.seo-faq summary::-webkit-details-marker {
  display: none;
}

.seo-faq summary::after {
  position: absolute;
  top: 50%;
  right: 1.25rem;
  color: hsl(var(--sec-gold));
  content: "+";
  font: 700 1.45rem/1 sans-serif;
  transform: translateY(-50%);
}

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

.seo-faq details p {
  margin: 0;
  padding: 0 1.25rem 1.25rem;
  color: hsl(var(--sec-muted));
  line-height: 1.7;
}

.seo-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

.seo-button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: .8rem 1.15rem;
  border: 1px solid hsl(var(--sec-gold));
  border-radius: .7rem;
  background: hsl(var(--sec-gold));
  color: #fff;
  font: 800 .82rem/1 "Barlow Condensed", sans-serif;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.seo-button.seo-button-quiet {
  background: transparent;
  color: hsl(var(--sec-gold));
}

.seo-service-depth {
  background: #fff;
}

.seo-service-depth .seo-faq {
  margin-top: 1.5rem;
}

.seo-guide-body {
  background: hsl(var(--sec-alt));
}

.seo-guide-header {
  position: sticky;
  z-index: 40;
  top: 0;
  border-bottom: 1px solid hsl(var(--sec-edge));
  background: rgb(255 255 255 / .96);
  backdrop-filter: blur(12px);
}

.seo-guide-header-inner {
  display: flex;
  width: min(76rem, calc(100% - 2rem));
  min-height: 4.75rem;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.seo-guide-logo img {
  width: auto;
  height: 3.2rem;
  object-fit: contain;
}

.seo-guide-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.seo-guide-nav a {
  color: hsl(var(--sec-muted));
  font: 700 .8rem/1 "Barlow Condensed", sans-serif;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.seo-guide-nav .seo-button {
  color: #fff;
}

.seo-guide-hero {
  padding: 5.5rem 1.25rem 4.5rem;
  background:
    linear-gradient(120deg, hsl(var(--sec-bg)), hsl(var(--sec-bg)) 56%, hsl(var(--sec-gold-dk)));
  color: #fff;
}

.seo-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: 1.5rem;
  color: rgb(255 255 255 / .6);
  font-size: .82rem;
}

.seo-breadcrumb a {
  color: rgb(255 255 255 / .75);
}

.seo-guide-hero h1 {
  max-width: 58rem;
  margin: 0;
  font: 800 clamp(2.5rem, 7vw, 5rem)/.98 "Barlow Condensed", sans-serif;
  letter-spacing: -.035em;
}

.seo-guide-hero p {
  max-width: 48rem;
  margin: 1.35rem 0 0;
  color: rgb(255 255 255 / .72);
  font-size: 1.12rem;
  line-height: 1.7;
}

.seo-guide-article {
  width: min(74rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4.5rem 0 6rem;
}

.seo-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 17rem;
  gap: 3.5rem;
  align-items: start;
}

.seo-article-content {
  max-width: 50rem;
}

.seo-article-content section {
  margin-top: 3.25rem;
}

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

.seo-article-content h2 {
  margin: 0 0 1rem;
  color: hsl(var(--sec-bright));
  font: 800 clamp(1.8rem, 4vw, 2.65rem)/1.08 "Barlow Condensed", sans-serif;
}

.seo-article-content h3 {
  margin: 1.7rem 0 .65rem;
  color: hsl(var(--sec-text));
  font: 800 1.3rem/1.18 "Barlow Condensed", sans-serif;
}

.seo-article-content p,
.seo-article-content li {
  color: hsl(var(--sec-muted));
  font-size: 1rem;
  line-height: 1.8;
}

.seo-article-content p + p {
  margin-top: 1rem;
}

.seo-article-content ul,
.seo-article-content ol {
  display: grid;
  gap: .65rem;
  margin: 1rem 0 0;
  padding-left: 1.3rem;
  list-style: disc;
}

.seo-article-content ol {
  list-style: decimal;
}

.seo-article-content a {
  color: hsl(var(--sec-gold));
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: .2em;
}

.seo-note {
  margin: 1.5rem 0;
  padding: 1.35rem 1.5rem;
  border-left: 4px solid hsl(var(--sec-gold));
  border-radius: 0 .8rem .8rem 0;
  background: hsl(var(--sec-gold) / .08);
  color: hsl(var(--sec-text));
  line-height: 1.7;
}

.seo-toc {
  position: sticky;
  top: 6.25rem;
  padding: 1.25rem;
  border: 1px solid hsl(var(--sec-edge));
  border-radius: 1rem;
  background: #fff;
}

.seo-toc strong {
  display: block;
  margin-bottom: .75rem;
  color: hsl(var(--sec-text));
  font: 800 1rem/1.2 "Barlow Condensed", sans-serif;
}

.seo-toc a {
  display: block;
  padding: .45rem 0;
  color: hsl(var(--sec-muted));
  font-size: .88rem;
}

.seo-guide-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.seo-guide-card {
  display: flex;
  min-height: 17rem;
  flex-direction: column;
  padding: 1.6rem;
  border: 1px solid hsl(var(--sec-edge));
  border-radius: 1rem;
  background: #fff;
}

.seo-guide-card span {
  color: hsl(var(--sec-gold));
  font: 700 .72rem/1 "Barlow Condensed", sans-serif;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.seo-guide-card h2 {
  margin: .9rem 0 .8rem;
  color: hsl(var(--sec-text));
  font: 800 1.45rem/1.12 "Barlow Condensed", sans-serif;
}

.seo-guide-card p {
  margin: 0 0 1.25rem;
  color: hsl(var(--sec-muted));
  line-height: 1.65;
}

.seo-guide-card a {
  margin-top: auto;
  color: hsl(var(--sec-gold));
  font-weight: 700;
}

.seo-guide-footer {
  padding: 2.5rem 1.25rem;
  background: hsl(var(--sec-bg));
  color: rgb(255 255 255 / .65);
}

.seo-guide-footer-inner {
  display: flex;
  width: min(76rem, 100%);
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: .88rem;
}

.seo-guide-footer a {
  color: #fff;
}

@media (max-width: 980px) {
  .seo-card {
    grid-column: span 6;
  }

  .seo-process,
  .seo-article-layout {
    grid-template-columns: 1fr;
  }

  .seo-toc {
    position: static;
    order: -1;
  }

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

@media (max-width: 720px) {
  .seo-depth-section {
    padding: 4rem 1rem;
  }

  .seo-card,
  .seo-card.seo-wide {
    grid-column: 1 / -1;
  }

  .seo-scenarios,
  .seo-decision-grid,
  .seo-steps {
    grid-template-columns: 1fr;
  }

  .seo-step {
    min-height: auto;
  }

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

  .seo-guide-hero {
    padding-top: 4.5rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  .seo-depth-section *,
  .seo-guide-body * {
    scroll-behavior: auto !important;
  }
}