.seo-landing {
  --seo-accent: #d51c29;
  --seo-ink: #101827;
  --seo-muted: #5f6877;
  --seo-surface: #f4f6f8;
  color: var(--seo-ink);
}

.seo-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 560px;
  border-radius: 1.5rem;
  background: #0b111b;
  box-shadow: 0 24px 70px rgba(10, 18, 30, 0.24);
}

.seo-hero::before {
  position: absolute;
  z-index: -2;
  inset: 0;
  background: var(--seo-hero-image) center / cover no-repeat;
  content: "";
}

.seo-hero::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 10, 17, 0.96) 0%, rgba(6, 10, 17, 0.84) 48%, rgba(6, 10, 17, 0.42) 100%),
    radial-gradient(circle at 18% 22%, rgba(213, 28, 41, 0.27), transparent 34%);
  content: "";
}

.seo-hero__content {
  min-width: 0;
  max-width: 840px;
  padding: clamp(4rem, 8vw, 7rem) clamp(1.5rem, 5vw, 5rem);
  color: #fff;
}

.seo-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.86rem;
}

.seo-breadcrumb a {
  color: #fff;
}

.seo-kicker {
  margin-bottom: 0.9rem;
  color: #ff7079;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.seo-hero h1 {
  max-width: 780px;
  margin-bottom: 1.35rem;
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 0.96;
  text-transform: uppercase;
  color: #fff;
  overflow-wrap: break-word;
}

.seo-hero__lead {
  max-width: 760px;
  margin-bottom: 1.75rem;
  color: rgba(255, 255, 255, 0.91);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.72;
}

.seo-hero__actions,
.seo-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.seo-hero__actions .btn,
.seo-cta__actions .btn {
  border-radius: 0.85rem;
  padding: 0.85rem 1.2rem;
  font-weight: 800;
}

.seo-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(270px, 0.65fr);
  gap: 2rem;
  align-items: start;
}

.seo-intro.seo-intro--workflow {
  grid-template-columns: minmax(0, 1fr);
}

.seo-intro__copy,
.seo-section p,
.seo-card p,
.seo-resource p {
  color: var(--seo-muted);
  line-height: 1.78;
}

.seo-intro__copy {
  font-size: 1.08rem;
}

.seo-summary {
  margin: 0;
  padding: 1.5rem;
  border-left: 4px solid var(--seo-accent);
  border-radius: 0 1rem 1rem 0;
  background: var(--seo-surface);
  list-style: none;
}

.seo-summary li + li {
  margin-top: 0.75rem;
}

.seo-section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.seo-section--surface {
  background: var(--seo-surface);
}

.seo-section--dark {
  background: #101827;
  color: #fff;
}

.seo-section--dark h2,
.seo-section--dark .seo-card h3 {
  color: #fff;
}

.seo-section--dark p,
.seo-section--dark .seo-card p {
  color: rgba(255, 255, 255, 0.74);
}

.seo-section__header {
  max-width: 820px;
  margin-bottom: 2rem;
}

.seo-section__header h2,
.seo-cta h2 {
  margin-bottom: 0.85rem;
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.02;
  text-transform: uppercase;
}

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

.seo-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.seo-card,
.seo-resource {
  height: 100%;
  padding: 1.55rem;
  border: 1px solid rgba(16, 24, 39, 0.09);
  border-radius: 1.15rem;
  background: #fff;
  box-shadow: 0 12px 34px rgba(16, 24, 39, 0.06);
}

.seo-section--dark .seo-card {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
}

.seo-card__index {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--seo-accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.seo-card h3,
.seo-resource h3 {
  font-size: 1.18rem;
  font-weight: 850;
}

.seo-card ul {
  margin-bottom: 0;
  padding-left: 1.2rem;
  color: var(--seo-muted);
}

.seo-card li + li {
  margin-top: 0.45rem;
}

.seo-resource a,
.seo-context-link {
  color: #a6101a;
  font-weight: 800;
}

.seo-resource__type {
  display: block;
  margin-bottom: 0.65rem;
  color: var(--seo-accent);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.seo-steps {
  counter-reset: seo-step;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo-steps li {
  counter-increment: seo-step;
  padding: 1.35rem;
  border-top: 3px solid var(--seo-accent);
  background: #fff;
  color: var(--seo-muted);
}

.seo-steps li::before {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--seo-accent);
  content: "0" counter(seo-step);
  font-weight: 900;
}

.seo-steps strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--seo-ink);
}

.seo-cta {
  padding: clamp(2rem, 5vw, 4rem);
  border-radius: 1.5rem;
  background: linear-gradient(135deg, #101827, #1c2a3f);
  color: #fff;
}

.seo-cta p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.72;
}

@media (max-width: 991.98px) {
  .seo-intro,
  .seo-grid--three,
  .seo-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767.98px) {
  .seo-hero {
    min-height: auto;
    border-radius: 1rem;
  }

  .seo-hero::after {
    background: linear-gradient(90deg, rgba(6, 10, 17, 0.94), rgba(6, 10, 17, 0.78));
  }

  .seo-intro,
  .seo-grid,
  .seo-grid--three,
  .seo-steps {
    grid-template-columns: 1fr;
  }

  .seo-section {
    padding: 3.25rem 0;
  }

  .seo-hero h1 {
    font-size: clamp(2.15rem, 11vw, 3.1rem);
  }

  .seo-hero__actions,
  .seo-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .seo-hero__actions .btn,
  .seo-cta__actions .btn {
    width: 100%;
    white-space: normal;
  }
}