.main--seo {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 16px 48px;
}

.seo-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 18px;
}

.seo-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: #1a1820;
  border: 1px solid #2e2a38;
  color: #cfc6dd;
  font-size: 12px;
  font-weight: 700;
  text-transform: lowercase;
  text-decoration: none;
}

.seo-nav__link[aria-current="page"],
.seo-nav__link:hover {
  color: #fff;
  background: color-mix(in srgb, var(--seo-accent, #8b5cf6) 24%, transparent);
  border-color: color-mix(in srgb, var(--seo-accent, #8b5cf6) 55%, transparent);
}

.seo-kicker {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--seo-accent, #8b5cf6);
  font-weight: 800;
}

.seo-hero-plain {
  margin: 0 0 16px;
  padding: 22px 18px;
  border-radius: 18px;
  background: linear-gradient(145deg, var(--seo-soft, #2a1848), #121015 72%);
  border: 1px solid #2e2a38;
}

.seo-hero-plain h1 {
  margin: 0 0 10px;
  font-family: Unbounded, Manrope, sans-serif;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.2;
  color: #fff;
}

.seo-lead {
  margin: 0 0 16px;
  color: #c9c0d8;
  line-height: 1.5;
}

.seo-hero-split {
  display: grid;
  gap: 14px;
  margin-bottom: 16px;
}

@media (min-width: 720px) {
  .seo-hero-split {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.seo-hero-split__text,
.seo-hero-split__code {
  padding: 20px 18px;
  border-radius: 18px;
  border: 1px solid #2e2a38;
  background: #17141d;
}

.seo-hero-split__text h1 {
  margin: 0 0 10px;
  font-family: Unbounded, Manrope, sans-serif;
  font-size: 1.45rem;
  color: #fff;
}

.seo-hero-split__text p {
  margin: 0 0 16px;
  color: #c9c0d8;
}

.seo-hero-split__code {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  background: linear-gradient(160deg, var(--seo-soft, #2a1848), #17141d);
}

.seo-hero-split__code strong,
.seo-promo strong {
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: #fff;
}

.seo-hero-split__hint,
.seo-promo__hint {
  margin: 0;
  font-size: 13px;
  color: #b7adc8;
}

.seo-article {
  margin: 14px 0;
  padding: 16px 18px;
  border-radius: 16px;
  background: #17141d;
  border: 1px solid #2e2a38;
  color: #c4bcd3;
  line-height: 1.55;
}

.seo-article p {
  margin: 0 0 12px;
}

.seo-points {
  margin: 0 0 16px;
  padding-left: 18px;
}

.seo-h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  color: #f2eef8;
  font-family: Unbounded, Manrope, sans-serif;
}

.seo-steps {
  margin: 14px 0;
  padding: 16px 18px;
  border-radius: 16px;
  background: #141118;
  border: 1px solid #2a2633;
}

.seo-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.seo-step {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
}

.seo-step__n {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
  background: var(--seo-accent, #8b5cf6);
}

.seo-step strong {
  display: block;
  color: #fff;
  margin-bottom: 4px;
}

.seo-step p {
  margin: 0;
  color: #b7adc8;
  font-size: 14px;
}

.seo-faq {
  margin: 14px 0;
}

.seo-faq__item {
  margin-bottom: 8px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #17141d;
  border: 1px solid #2e2a38;
}

.seo-faq__item summary {
  cursor: pointer;
  font-weight: 700;
  color: #eee;
}

.seo-faq__item p {
  margin: 10px 0 0;
  color: #b7adc8;
  font-size: 14px;
  line-height: 1.5;
}

.seo-modes {
  margin: 16px 0;
}

.age-note {
  margin-top: 24px;
  color: #7f768f;
  font-size: 12px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(20px);
  background: #2a1848;
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: 0.2s ease;
  z-index: 50;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}