.seo-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4.5rem, 9vw, 8rem) 0 clamp(3.5rem, 7vw, 6rem);
  border-bottom: 1px solid var(--line);
}

.seo-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto 35%;
  height: 34rem;
  background: radial-gradient(circle, rgba(91, 108, 255, .18), rgba(47, 168, 238, .08) 40%, transparent 70%);
  pointer-events: none;
}

.seo-crumbs,
.seo-kicker {
  font: 500 .75rem/1.4 "Geist Mono", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.seo-crumbs { display: flex; gap: .6rem; margin-bottom: 2rem; color: var(--muted); }
.seo-crumbs a { color: inherit; }
.seo-kicker { color: var(--accent); }

.seo-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(17rem, .65fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
}

.seo-hero-grid > *,
.seo-section-head > *,
.seo-faq > * { min-width: 0; }

.seo-hero h1 {
  max-width: 15ch;
  margin: 1rem 0 1.35rem;
  font-size: clamp(3.1rem, 7.5vw, 7rem);
  line-height: .92;
  letter-spacing: -.065em;
}

.seo-hero h1 span { color: var(--accent); }
.seo-hero .lead { max-width: 44rem; font-size: clamp(1.05rem, 2vw, 1.35rem); line-height: 1.6; color: var(--muted); }
.seo-hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }

.seo-brief-card {
  position: relative;
  padding: 1.4rem;
  border: 1px solid rgba(91, 108, 255, .2);
  border-radius: 1.2rem;
  background: rgba(255,255,255,.78);
  box-shadow: 0 24px 70px rgba(29, 36, 72, .1);
  backdrop-filter: blur(14px);
}

.seo-brief-card > span { display: block; margin-bottom: .9rem; color: var(--muted); }
.seo-brief-card ul { display: grid; gap: .65rem; margin: 0; padding: 0; list-style: none; }
.seo-brief-card li { display: flex; gap: .65rem; align-items: flex-start; padding-top: .65rem; border-top: 1px solid var(--line); }
.seo-brief-card li::before { content: "✓"; color: var(--accent); font-weight: 700; }

.seo-section { padding: clamp(4rem, 8vw, 7.5rem) 0; border-bottom: 1px solid var(--line); }
.seo-section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, .55fr); gap: 2rem; align-items: end; margin-bottom: 2.5rem; }
.seo-section-head h2 { max-width: 15ch; margin: .7rem 0 0; font-size: clamp(2.3rem, 5vw, 4.5rem); line-height: 1; letter-spacing: -.05em; }
.seo-section-head > p { color: var(--muted); line-height: 1.65; }

.intent-grid,
.decision-grid,
.timeline-grid { display: grid; gap: 1rem; }
.intent-grid { grid-template-columns: repeat(3, 1fr); }
.decision-grid { grid-template-columns: repeat(4, 1fr); }
.timeline-grid { grid-template-columns: repeat(4, 1fr); counter-reset: timeline; }

.intent-card,
.decision-card,
.timeline-card {
  min-height: 15rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: #fff;
}

.intent-card .num,
.decision-card .num { color: var(--accent); font: 500 .75rem/1 "Geist Mono", monospace; }
.intent-card h3,
.decision-card h3,
.timeline-card h3 { margin: 3.25rem 0 .75rem; font-size: 1.35rem; letter-spacing: -.03em; }
.intent-card p,
.decision-card p,
.timeline-card p { color: var(--muted); line-height: 1.6; }

.decision-card { min-height: 13rem; }
.decision-card h3 { margin-top: 2rem; }
.decision-card strong { display: block; margin-top: 1rem; font-size: .83rem; }

.seo-section-dark { color: #fff; background: #101428; }
.seo-section-dark .seo-kicker { color: #89d8ff; }
.seo-section-dark .seo-section-head > p,
.seo-section-dark .timeline-card p { color: #b9bfd2; }
.seo-section-dark .timeline-card { border-color: rgba(255,255,255,.12); background: rgba(255,255,255,.045); }
.timeline-card { position: relative; min-height: 17rem; counter-increment: timeline; }
.timeline-card::before { content: "0" counter(timeline); color: #89d8ff; font: 500 .75rem/1 "Geist Mono", monospace; }

.seo-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 1rem; }
.seo-table { width: 100%; min-width: 42rem; border-collapse: collapse; background: #fff; }
.seo-table th,
.seo-table td { padding: 1rem 1.1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.seo-table tr:last-child td { border-bottom: 0; }
.seo-table th { color: var(--muted); font: 500 .72rem/1.4 "Geist Mono", monospace; letter-spacing: .06em; text-transform: uppercase; }
.seo-table td:first-child { font-weight: 650; }

.seo-note { margin-top: 1rem; color: var(--muted); font-size: .9rem; line-height: 1.6; }
.seo-faq { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: clamp(2rem, 7vw, 7rem); }
.seo-faq h2 { margin: .7rem 0 1rem; font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1; letter-spacing: -.05em; }
.seo-faq details { border-top: 1px solid var(--line); }
.seo-faq details:last-child { border-bottom: 1px solid var(--line); }
.seo-faq summary { display: flex; justify-content: space-between; gap: 1rem; padding: 1.35rem 0; cursor: pointer; font-weight: 650; }
.seo-faq summary::after { content: "+"; color: var(--accent); }
.seo-faq details[open] summary::after { content: "−"; }
.seo-faq details p { max-width: 42rem; margin: -.4rem 0 1.4rem; color: var(--muted); line-height: 1.65; }

.seo-cta { margin: clamp(3rem, 7vw, 6rem) auto; padding: clamp(2rem, 5vw, 4rem); border-radius: 1.35rem; color: #fff; background: linear-gradient(125deg, #1b2561, #5b6cff 55%, #2fa8ee); }
.seo-cta h2 { max-width: 17ch; margin: 0 0 1rem; font-size: clamp(2.2rem, 5vw, 4.5rem); line-height: 1; letter-spacing: -.05em; }
.seo-cta p { max-width: 43rem; margin-bottom: 1.7rem; color: rgba(255,255,255,.82); font-size: 1.05rem; line-height: 1.6; }

@media (max-width: 900px) {
  .seo-hero-grid,
  .seo-section-head,
  .seo-faq { grid-template-columns: 1fr; }
  .intent-grid { grid-template-columns: 1fr; }
  .decision-grid,
  .timeline-grid { grid-template-columns: repeat(2, 1fr); }
  .intent-card { min-height: 12rem; }
}

@media (max-width: 620px) {
  .seo-hero { padding-top: 3.5rem; }
  .seo-hero h1 { max-width: none; font-size: clamp(2.9rem, 13vw, 4rem); overflow-wrap: break-word; }
  .seo-hero-actions { display: grid; }
  .seo-hero-actions .button { justify-content: center; }
  .decision-grid,
  .timeline-grid { grid-template-columns: 1fr; }
  .decision-card,
  .timeline-card { min-height: auto; }
  .seo-section { padding: 4.25rem 0; }
}