.seo-page {
  background:
    radial-gradient(circle at 18% 12%, rgba(154, 92, 255, 0.16), transparent 34rem),
    radial-gradient(circle at 82% 18%, rgba(67, 188, 255, 0.1), transparent 30rem),
    #090326;
  color: #fff;
}

.seo-page main {
  overflow: hidden;
}

.seo-hero {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  padding: 150px 0 90px;
}

.seo-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(9, 3, 38, 0.2), rgba(9, 3, 38, 0.94)),
    radial-gradient(circle at 72% 42%, rgba(167, 91, 255, 0.2), transparent 30rem);
  pointer-events: none;
}

.seo-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.seo-hero h1 {
  max-width: 850px;
  margin: 18px 0 24px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.04;
}

.seo-hero__lead {
  max-width: 760px;
  margin: 0;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
}

.seo-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.seo-section {
  padding: 96px 0;
}

.seo-section--alt {
  background: rgba(255, 255, 255, 0.025);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.seo-section__head {
  max-width: 760px;
  margin-bottom: 38px;
}

.seo-section__head h2 {
  margin: 12px 0 18px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.12;
}

.seo-section__head p,
.seo-copy p,
.seo-card p,
.seo-list li {
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.75;
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

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

.seo-card {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  backdrop-filter: blur(14px);
}

.seo-card h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.seo-card p {
  margin: 0;
}

.seo-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo-list li {
  position: relative;
  padding-left: 28px;
}

.seo-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, #b96cff, #49d7ff);
  box-shadow: 0 0 18px rgba(118, 188, 255, 0.45);
}

.seo-cta {
  padding: 42px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(135deg, rgba(170, 90, 255, 0.2), rgba(47, 203, 255, 0.12)),
    rgba(255, 255, 255, 0.03);
}

.seo-cta h2 {
  margin: 0 0 14px;
  font-size: clamp(30px, 4vw, 48px);
}

.seo-cta p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .seo-grid,
  .seo-grid--two {
    grid-template-columns: 1fr;
  }

  .seo-hero {
    min-height: auto;
    padding: 130px 0 72px;
  }
}

@media (max-width: 640px) {
  .seo-section {
    padding: 72px 0;
  }

  .seo-card,
  .seo-cta {
    padding: 22px;
    border-radius: 20px;
  }

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

  .seo-hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
}