.seo-page {
  background: linear-gradient(180deg, #f4f8fd 0, #fff 520px);
}

.seo-page .site-header {
  position: sticky;
}

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

.seo-shell {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.seo-breadcrumbs {
  display: flex;
  gap: 8px;
  align-items: center;
  padding-top: 26px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.seo-breadcrumbs a {
  color: var(--blue);
  text-decoration: none;
}

.seo-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 44px;
  align-items: center;
  min-height: 540px;
  padding: 52px 0 68px;
}

.seo-kicker {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.seo-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(42px, 6vw, 74px);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.seo-lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: #40566d;
  font-size: clamp(18px, 2.1vw, 23px);
  line-height: 1.5;
}

.seo-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.seo-hero-card {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border-radius: 18px;
  background: linear-gradient(145deg, var(--blue-dark), var(--blue));
  color: white;
  box-shadow: 0 28px 70px rgb(0 63 131 / 24%);
}

.seo-hero-card::after {
  position: absolute;
  right: -34px;
  bottom: -72px;
  color: rgb(255 255 255 / 8%);
  content: "Д";
  font-size: 240px;
  font-weight: 900;
  line-height: 1;
}

.seo-hero-card > * {
  position: relative;
  z-index: 1;
}

.seo-hero-card small {
  display: block;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.seo-hero-card strong {
  display: block;
  margin-top: 12px;
  font-size: 34px;
  line-height: 1.08;
}

.seo-hero-card p {
  margin: 18px 0 0;
  color: rgb(255 255 255 / 82%);
  line-height: 1.55;
}

.seo-proof-grid,
.seo-card-grid,
.seo-timeline {
  display: grid;
  gap: 18px;
}

.seo-proof-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: -22px;
  padding-bottom: 72px;
}

.seo-proof-grid article,
.seo-card-grid article,
.seo-faq details,
.seo-timeline article {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
  box-shadow: var(--shadow);
}

.seo-proof-grid article {
  padding: 24px;
}

.seo-proof-grid strong,
.seo-card-grid h3,
.seo-timeline h3 {
  display: block;
  margin: 0;
  font-size: 20px;
}

.seo-proof-grid p,
.seo-card-grid p,
.seo-timeline p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.seo-section {
  padding: 78px 0;
}

.seo-section.soft {
  background: #f4f8fd;
}

.seo-section-heading {
  max-width: 780px;
  margin-bottom: 32px;
}

.seo-section-heading h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.seo-section-heading p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

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

.seo-card-grid article {
  padding: 28px;
}

.seo-card-grid .years,
.seo-timeline time {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seo-venue-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding: 0;
  list-style: none;
}

.seo-venue-list li {
  padding: 22px;
  border-left: 4px solid var(--blue);
  background: white;
  box-shadow: var(--shadow);
}

.seo-venue-list strong,
.seo-venue-list span {
  display: block;
}

.seo-venue-list span {
  margin-top: 6px;
  color: var(--muted);
}

.seo-timeline {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.seo-timeline article {
  min-height: 210px;
  padding: 24px;
}

.seo-faq {
  display: grid;
  gap: 12px;
}

.seo-faq details {
  padding: 20px 22px;
}

.seo-faq summary {
  cursor: pointer;
  font-weight: 900;
}

.seo-faq p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.seo-cta-band {
  margin: 74px auto;
  padding: 42px;
  border-radius: 20px;
  background: var(--blue-dark);
  color: white;
}

.seo-cta-band h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
}

.seo-cta-band p {
  max-width: 740px;
  margin: 14px 0 0;
  color: rgb(255 255 255 / 78%);
  font-size: 18px;
  line-height: 1.55;
}

.seo-page .footer-social-links .social-icon-link {
  flex: 0 0 36px;
}

.seo-page .social-icon-link.has-image img {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: contain;
}

@media (max-width: 900px) {
  .seo-hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .seo-proof-grid,
  .seo-venue-list {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 680px) {
  .seo-shell {
    width: min(100% - 28px, 1120px);
  }

  .seo-page .brand-mark {
    width: 46px;
    height: 46px;
    min-width: 46px;
    flex-basis: 46px;
    font-size: 23px;
  }

  .seo-hero {
    gap: 28px;
    padding: 38px 0 56px;
  }

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

  .seo-card-grid,
  .seo-timeline {
    grid-template-columns: 1fr;
  }

  .seo-section {
    padding: 58px 0;
  }

  .seo-cta-band {
    margin: 54px auto;
    padding: 30px 24px;
  }
}