.seo-page {
  background: var(--paper);
}

.seo-hero {
  min-height: 690px;
  padding: 132px 0 86px;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(91, 46, 255, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(91, 46, 255, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 48px 48px;
}

.seo-orb {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
}

.seo-orb-one {
  width: 380px;
  height: 380px;
  top: 45px;
  right: -180px;
  background: rgba(91, 46, 255, 0.1);
}

.seo-orb-two {
  width: 180px;
  height: 180px;
  bottom: -90px;
  left: 8%;
  background: rgba(255, 212, 59, 0.22);
}

.breadcrumbs {
  position: relative;
  z-index: 2;
  margin-bottom: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: #777386;
  font-size: 12px;
}

.breadcrumbs a:hover {
  color: var(--purple);
}

.seo-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(330px, 0.58fr);
  align-items: center;
  gap: 68px;
}

.seo-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(42px, 5.2vw, 70px);
  line-height: 1.03;
  letter-spacing: -0.045em;
}

.seo-lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.72;
}

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

.seo-platform-note {
  max-width: 690px;
  margin: 23px 0 0;
  color: #6b6878;
  font-size: 12px;
}

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

.seo-summary {
  padding: 34px;
  color: var(--white);
  background:
    radial-gradient(circle at 100% 0, rgba(255, 212, 59, 0.14), transparent 36%),
    var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: 0 26px 70px rgba(23, 23, 37, 0.2);
  transform: rotate(1deg);
}

.seo-summary-label {
  color: var(--yellow);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.seo-summary h2 {
  margin: 13px 0 10px;
  font-size: 26px;
  line-height: 1.15;
}

.seo-summary p {
  margin: 0;
  color: #c7c4d0;
  font-size: 14px;
}

.seo-summary ul {
  margin: 23px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  list-style: none;
}

.seo-summary li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 9px;
  align-items: start;
  color: #e1dfe7;
  font-size: 13px;
}

.seo-summary li span {
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  color: var(--ink);
  font-size: 10px;
  font-weight: 900;
  background: var(--yellow);
  border-radius: 7px;
}

.seo-layout {
  padding-top: 88px;
  padding-bottom: 112px;
  display: grid;
  grid-template-columns: 235px minmax(0, 780px);
  justify-content: center;
  align-items: start;
  gap: 78px;
}

.seo-toc {
  position: sticky;
  top: 94px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.seo-toc strong {
  margin-bottom: 12px;
  color: var(--purple);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.seo-toc a {
  padding: 8px 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.35;
  border-bottom: 1px solid #f0eef3;
}

.seo-toc a:hover {
  color: var(--purple);
}

.seo-toc .seo-toc-download {
  margin-top: 13px;
  padding: 10px 12px;
  color: var(--white);
  font-weight: 800;
  text-align: center;
  background: var(--purple);
  border: 0;
  border-radius: 10px;
}

.seo-content {
  min-width: 0;
}

.seo-opening {
  padding-bottom: 16px;
  font-size: 19px;
  line-height: 1.78;
}

.seo-opening p:first-child::first-letter {
  margin: 8px 10px 0 0;
  float: left;
  color: var(--purple);
  font-size: 64px;
  font-weight: 900;
  line-height: 0.75;
}

.seo-content section {
  padding: 34px 0 22px;
  scroll-margin-top: 100px;
}

.seo-content section > h2 {
  margin: 0 0 18px;
  font-size: clamp(29px, 4vw, 40px);
  line-height: 1.13;
  letter-spacing: -0.035em;
}

.seo-content section > p,
.seo-opening p {
  color: var(--ink-soft);
}

.seo-content section > p {
  margin: 0 0 17px;
  font-size: 16px;
}

.seo-checklist {
  margin: 24px 0 0;
  padding: 22px;
  display: grid;
  gap: 12px;
  list-style: none;
  background: #f2eeff;
  border: 1px solid #e1d9ff;
  border-radius: 18px;
}

.seo-checklist li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  color: #403b4c;
  font-size: 14px;
}

.seo-checklist li span {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  color: var(--white);
  font-size: 10px;
  font-weight: 900;
  background: var(--purple);
  border-radius: 8px;
}

.responsible-note {
  margin: 42px 0 20px;
  padding: 28px;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 19px;
  color: #453b1d;
  background: #fff3bd;
  border: 1px solid #f3dc76;
  border-radius: 20px;
}

.responsible-note > div {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  color: var(--ink);
  font-size: 25px;
  font-weight: 900;
  background: var(--yellow);
  border-radius: 16px;
}

.responsible-note p {
  margin: 0;
  font-size: 13px;
}

.seo-faq .faq-list {
  margin-top: 26px;
}

.seo-cta {
  margin-top: 48px;
  padding: 30px;
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  color: var(--white);
  background: var(--ink);
  border-radius: 24px;
}

.seo-cta img {
  width: 78px;
  height: 78px;
  object-fit: contain;
}

.seo-cta span {
  color: var(--yellow);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.seo-cta h2 {
  margin: 4px 0 5px;
  font-size: 22px;
}

.seo-cta p {
  margin: 0;
  color: #b9b6c3;
  font-size: 12px;
}

.related-section {
  padding: 88px 0 105px;
  background: #f0ecff;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.related-card {
  min-height: 210px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid #e1daf7;
  border-radius: 21px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 45px rgba(57, 38, 129, 0.11);
}

.related-card > span {
  color: var(--purple);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.related-card strong {
  margin-top: 16px;
  font-size: 20px;
  line-height: 1.23;
}

.related-card small {
  margin-top: auto;
  color: var(--ink-soft);
  font-size: 11px;
}

.related-card small b {
  color: var(--purple);
}

@media (max-width: 960px) {
  .seo-hero-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .seo-summary {
    max-width: 690px;
    transform: none;
  }

  .seo-layout {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .seo-toc {
    position: static;
  }
}

@media (max-width: 760px) {
  .seo-hero {
    min-height: 0;
    padding: 110px 0 64px;
  }

  .seo-hero h1 {
    font-size: 42px;
  }

  .seo-lead {
    font-size: 17px;
  }

  .seo-hero-actions {
    flex-direction: column;
  }

  .seo-hero-actions .button {
    width: 100%;
  }

  .seo-layout {
    padding-top: 58px;
    padding-bottom: 78px;
  }

  .seo-opening {
    font-size: 17px;
  }

  .seo-cta {
    grid-template-columns: 64px 1fr;
  }

  .seo-cta img {
    width: 64px;
    height: 64px;
  }

  .seo-cta .button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .seo-summary,
  .seo-toc,
  .responsible-note,
  .seo-cta {
    padding: 22px;
  }

  .responsible-note {
    grid-template-columns: 1fr;
  }

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