/*
 * Shared SEO UI components for test-only templates on smeshaem.ru.
 * Reference implementation: proseivatel.ru SEO category components.
 */
:root {
  --seo-ui-radius: 1rem;
  --seo-ui-radius-small: 1rem;
  --seo-ui-radius-large: 1rem;
  --seo-ui-section-gap-desktop: 8rem;
  --seo-ui-section-gap-tablet: 6.8rem;
  --seo-ui-section-gap-mobile: 5.2rem;
  --seo-ui-title-content-gap: 3.2rem;
  --seo-ui-card-gap: 2rem;
  --seo-ui-card-padding: 2.8rem;
  --seo-ui-card-padding-mobile: 2.2rem;
  --seo-ui-border: #e4e8f2;
  --seo-ui-border-soft: #edf0f6;
  --seo-ui-text: #18202c;
  --seo-ui-text-secondary: #4e5968;
  --seo-ui-text-muted: #6c7584;
  --seo-ui-bg: #fff;
  --seo-ui-bg-soft: #f8f9fc;
  --seo-ui-accent: #d60000;
  --seo-ui-accent-secondary: #7d2ee6;
  --seo-ui-shadow: 0 1.8rem 4.5rem rgba(25, 38, 66, .08);
  --seo-ui-shadow-hover: 0 2.4rem 5.5rem rgba(25, 38, 66, .12);
  --seo-ui-transition: 180ms ease;
}

.seoUiSection {
  margin: var(--seo-ui-section-gap-desktop) auto;
  scroll-margin-top: 12rem;
}

.seoUiSectionHead,
.seoUiSection .blocktitle {
  margin: 0 0 var(--seo-ui-title-content-gap);
  text-align: left;
}

.seoUiSectionHead__title,
.seoUiSection .blocktitle h2 {
  margin: 0;
  color: var(--seo-ui-text);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
}

.seoUiSectionHead__subtitle,
.seoUiSection .blocktitle > p {
  max-width: 92rem;
  margin: 1.2rem 0 0;
  color: #5e6877;
  font-size: 1.7rem;
  line-height: 1.55;
}

.seoUiHeroLead,
.categorySeoLead {
  display: block;
  width: 100%;
  max-width: 82rem;
  margin-top: 1.6rem;
  color: #3d4657;
  font-size: 1.8rem;
  line-height: 1.55;
}

.seoUiBreadcrumbs {
  margin: 2rem auto 1.6rem;
  color: #7d8490;
  font-size: 1.35rem;
  line-height: 1.4;
  scroll-margin-top: 12rem;
}

.seoUiBreadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  margin: 0;
  padding: .9rem 1.4rem;
  list-style: none;
  border: 1px solid #e7ebf3;
  border-radius: var(--seo-ui-radius);
  background: #f8fafc;
}

.seoUiBreadcrumbs__item:not(:last-child)::after {
  margin-left: .8rem;
  color: #c0c7d2;
  content: "›";
}

.seoUiBreadcrumbs a {
  color: #4f5968;
  text-decoration: none;
}

.seoUiBreadcrumbs a:hover,
.seoUiBreadcrumbs a:focus-visible {
  color: #d92438;
}

.seoUiBreadcrumbs__item--current {
  color: #1f2533;
  font-weight: 700;
}

.seoUiInfoGrid,
.seoUiChooseGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--seo-ui-card-gap);
}

.seoUiInfoCard,
.seoUiChooseCard {
  position: relative;
  overflow: hidden;
  min-width: 0;
  padding: var(--seo-ui-card-padding);
  border: 1px solid var(--seo-ui-border);
  border-radius: var(--seo-ui-radius);
  background: var(--seo-ui-bg);
  box-shadow: var(--seo-ui-shadow);
  transition: transform var(--seo-ui-transition), box-shadow var(--seo-ui-transition), border-color var(--seo-ui-transition);
}

.seoUiInfoCard::after,
.seoUiChooseCard::after {
  position: absolute;
  right: 2.8rem;
  bottom: 0;
  left: 2.8rem;
  height: .4rem;
  border-radius: .4rem .4rem 0 0;
  background: linear-gradient(90deg, var(--seo-ui-accent), var(--seo-ui-accent-secondary));
  content: "";
}

.seoUiInfoCard:hover,
.seoUiChooseCard:hover {
  transform: translateY(-.4rem);
  border-color: #d8deea;
  box-shadow: var(--seo-ui-shadow-hover);
}

.seoUiInfoCard__number,
.seoUiChooseCard__number,
.seoUiInfoCard > span:first-child,
.seoUiChooseCard > span:first-child {
  display: inline-block;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--seo-ui-accent), var(--seo-ui-accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1;
}

.seoUiInfoCard__title,
.seoUiChooseCard__title,
.seoUiInfoCard h3,
.seoUiChooseCard h3 {
  margin: 0 0 1.2rem;
  color: var(--seo-ui-text);
  font-size: 2.2rem;
  line-height: 1.22;
}

.seoUiInfoCard__text,
.seoUiChooseCard__text,
.seoUiInfoCard p,
.seoUiChooseCard p {
  margin: 0;
  color: var(--seo-ui-text-secondary);
  font-size: 1.7rem;
  line-height: 1.55;
}

.seoUiCta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 2.4rem;
  padding: 2.4rem 2.8rem;
  border: 1px solid #eadff4;
  border-radius: var(--seo-ui-radius);
  background: linear-gradient(112deg, #fbf7ff, #fff7f7);
}

.seoUiCta__text,
.seoUiCta > p {
  max-width: 72rem;
  margin: 0;
  color: #414a5a;
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.45;
}

.seoUiCta .btn {
  flex-shrink: 0;
  border-radius: var(--seo-ui-radius);
}

.seoUiProductGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--seo-ui-card-gap);
  align-items: stretch;
}

.seoUiProductCard {
  position: relative;
  display: grid;
  grid-template-columns: minmax(24rem, 40%) minmax(0, 1fr);
  gap: 2rem;
  align-items: stretch;
  overflow: hidden;
  min-width: 0;
  min-height: 33rem;
  padding: 1.8rem;
  border: 1px solid var(--seo-ui-border);
  border-radius: var(--seo-ui-radius);
  background: var(--seo-ui-bg);
  box-shadow: 0 1.3rem 3.2rem rgba(25, 38, 66, .06);
  transition: transform var(--seo-ui-transition), box-shadow var(--seo-ui-transition), border-color var(--seo-ui-transition);
}

.seoUiProductCard::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: .35rem;
  background: linear-gradient(90deg, var(--seo-ui-accent), var(--seo-ui-accent-secondary));
  content: "";
}

.seoUiProductCard:hover {
  transform: translateY(-.3rem);
  border-color: #d8deea;
  box-shadow: var(--seo-ui-shadow);
}

.seoUiProductCard__image {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 29rem;
  border-radius: var(--seo-ui-radius);
  background: #fff;
}

.seoUiProductCard__image img {
  display: block;
  width: 100%;
  height: 29rem;
  object-fit: contain;
}

.seoUiProductCard__content {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.seoUiProductCard__title {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--seo-ui-text);
  font-size: 3rem;
  line-height: 1.16;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.seoUiProductCard h3 {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--seo-ui-text);
  font-size: 3rem;
  line-height: 1.16;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.seoUiProductCard__title a {
  color: inherit;
  text-decoration: none;
}

.seoUiProductCard__text {
  display: -webkit-box;
  overflow: hidden;
  margin: .8rem 0 1.2rem;
  color: #697180;
  font-size: 1.5rem;
  line-height: 1.48;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.seoUiProductCard p:not(.seoUiProductCard__text) {
  margin: .8rem 0 1.2rem;
  color: #697180;
  font-size: 1.5rem;
  line-height: 1.45;
}

.seoUiProductCard .btn {
  width: auto;
  min-width: 0;
  min-height: 5.6rem;
  margin-top: auto;
  padding: 0 2.2rem;
  border-radius: var(--seo-ui-radius);
  font-size: 1.8rem;
  line-height: 1.1;
}

.seoUiCompare__hint {
  display: none;
  margin: 0 0 1.2rem;
  color: var(--seo-ui-text-muted);
  font-size: 1.4rem;
}

.seoUiCompare__scroll {
  position: relative;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  border: 1px solid var(--seo-ui-border);
  border-radius: var(--seo-ui-radius);
  background: var(--seo-ui-bg);
  box-shadow: 0 1.8rem 4.5rem rgba(25, 38, 66, .07);
}

.seoUiCompare__table {
  width: 100%;
  min-width: 84rem;
  border-collapse: separate;
  border-spacing: 0;
  color: var(--seo-ui-text-secondary);
  font-size: 1.8rem;
  line-height: 1.5;
}

.seoUiCompare__table th,
.seoUiCompare__table td {
  padding: 2.1rem 2.2rem;
  border-right: 1px solid var(--seo-ui-border-soft);
  border-bottom: 1px solid var(--seo-ui-border-soft);
  text-align: left;
  vertical-align: top;
}

.seoUiCompare__table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--seo-ui-bg-soft);
  color: var(--seo-ui-text);
  font-weight: 800;
}

.seoUiCompare__table tbody tr:nth-child(even) > * {
  background: #fcfcfd;
}

.seoUiCompare__table th:first-child {
  position: sticky;
  left: 0;
  z-index: 3;
  min-width: 19rem;
  background: var(--seo-ui-bg);
  color: var(--seo-ui-text);
  font-weight: 800;
}

.seoUiCompare__table thead th:first-child {
  z-index: 4;
  background: #f0f3f8;
}

.seoUiCompare__table tbody tr:nth-child(even) > th:first-child {
  background: #fcfcfd;
}

.seoUiCompare__table tr:last-child > * { border-bottom: 0; }
.seoUiCompare__table tr > *:last-child { border-right: 0; }

.seoUiCompare__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.6rem;
  padding: .9rem 1.5rem;
  border: 1px solid var(--seo-ui-accent);
  border-radius: var(--seo-ui-radius);
  background: var(--seo-ui-bg);
  color: var(--seo-ui-accent);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.3;
  cursor: pointer;
  transition: color var(--seo-ui-transition), border-color var(--seo-ui-transition), background var(--seo-ui-transition);
}

.seoUiCompare__toggle:hover,
.seoUiCompare__toggle:focus-visible {
  border-color: var(--seo-ui-accent-secondary);
  color: var(--seo-ui-accent-secondary);
}

.seoUiNotice {
  max-width: 92rem;
  margin: 1.6rem 0 0;
  color: var(--seo-ui-text-muted);
  font-size: 1.4rem;
  line-height: 1.55;
}

.seoUiFaq__columns {
  display: flex;
  align-items: flex-start;
  gap: 1.6rem;
}

.seoUiFaq__column {
  display: flex;
  flex: 1 1 0;
  flex-direction: column;
  gap: 1.2rem;
  min-width: 0;
}

.seoUiFaq details {
  overflow: hidden;
  border: 1px solid var(--seo-ui-border);
  border-radius: var(--seo-ui-radius);
  background: var(--seo-ui-bg);
  box-shadow: 0 1.4rem 3.5rem rgba(25, 38, 66, .07);
}

.seoUiFaq summary {
  position: relative;
  display: block;
  padding: 1.8rem 5.6rem 1.8rem 2rem;
  color: var(--seo-ui-text);
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1.35;
  cursor: pointer;
  list-style: none;
}

.seoUiFaq summary::-webkit-details-marker { display: none; }

.seoUiFaq summary::after {
  position: absolute;
  top: 50%;
  right: 1.8rem;
  display: flex;
  width: 2.8rem;
  height: 2.8rem;
  align-items: center;
  justify-content: center;
  transform: translateY(-50%);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--seo-ui-accent), var(--seo-ui-accent-secondary));
  color: #fff;
  font-size: 2rem;
  font-weight: 400;
  line-height: 1;
  content: "+";
}

.seoUiFaq details[open] { border-color: #d7ddeb; }
.seoUiFaq details[open] summary::after { content: "−"; }

.seoUiFaq details p {
  margin: 0;
  padding: 0 2rem 2rem;
  color: var(--seo-ui-text-secondary);
  font-size: 1.6rem;
  line-height: 1.55;
}

.seoUiFaq summary:focus-visible,
.seoUiCompare__toggle:focus-visible,
.seoUiSeoText__toggle:focus-visible,
.seoUiBreadcrumbs a:focus-visible {
  outline: .2rem solid rgba(125, 46, 230, .55);
  outline-offset: .25rem;
}

.seoUiSeoText {
  margin: 5rem auto 3rem;
  padding: 2.4rem 0 0;
  border-top: 1px solid #edf0f5;
  color: #7a8291;
  font-size: 1.35rem;
  line-height: 1.65;
}

.seoUiSeoText h2 {
  margin: 0 0 1.4rem;
  color: #5a6372;
  font-size: 2rem;
  line-height: 1.25;
}

.seoUiSeoText p { margin: 0 0 1.1rem; }

.seoUiSeoText__toggle {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: .6rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: #8b93a1;
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.4;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: .25em;
  cursor: pointer;
}

.seoUiSeoText__toggle:hover,
.seoUiSeoText__toggle:focus-visible { color: #d92438; }

@media (max-width: 1199px) {
  .seoUiSection { margin-block: var(--seo-ui-section-gap-tablet); }
  .seoUiInfoGrid, .seoUiChooseGrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .seoUiProductGrid { grid-template-columns: 1fr; }
  .seoUiCta { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 767px) {
  .seoUiSection { margin-block: var(--seo-ui-section-gap-mobile); scroll-margin-top: 9rem; }
  .seoUiSectionHead, .seoUiSection .blocktitle { margin-bottom: 2.6rem; }
  .seoUiSectionHead__subtitle, .seoUiSection .blocktitle > p { font-size: 1.55rem; }
  .seoUiHeroLead, .categorySeoLead { font-size: 1.55rem; line-height: 1.5; }
  .seoUiBreadcrumbs { margin: 1.2rem auto 1rem; overflow-x: auto; font-size: 1.2rem; }
  .seoUiBreadcrumbs__list { flex-wrap: nowrap; white-space: nowrap; }
  .seoUiSectionHead__title, .seoUiSection .blocktitle h2 { font-size: 3.2rem; }
  .seoUiInfoGrid, .seoUiChooseGrid, .seoUiProductGrid { grid-template-columns: 1fr; gap: 1.4rem; }
  .seoUiInfoCard, .seoUiChooseCard { padding: var(--seo-ui-card-padding-mobile); }
  .seoUiInfoCard::after, .seoUiChooseCard::after { right: 2.2rem; left: 2.2rem; }
  .seoUiInfoCard__title, .seoUiChooseCard__title { font-size: 2rem; }
  .seoUiInfoCard__text, .seoUiChooseCard__text { font-size: 1.55rem; }
  .seoUiCta { padding: 2rem; }
  .seoUiCta__text { font-size: 1.65rem; }
  .seoUiProductCard { grid-template-columns: 1fr; gap: 1.4rem; min-height: 0; padding: 1.5rem; }
  .seoUiProductCard__image, .seoUiProductCard__image img { min-height: 22rem; height: 22rem; }
  .seoUiProductCard__title, .seoUiProductCard h3 { font-size: 2.7rem; }
  .seoUiProductCard__text { font-size: 1.45rem; }
  .seoUiProductCard .btn { min-height: 5.6rem; }
  .seoUiCompare__hint { display: block; }
  .seoUiCompare__scroll::after { position: sticky; right: 0; display: block; width: 3rem; height: 100%; margin-left: auto; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .9)); content: ""; pointer-events: none; }
  .seoUiCompare__table { min-width: 84rem; font-size: 1.55rem; }
  .seoUiCompare__table th, .seoUiCompare__table td { padding: 1.65rem 1.7rem; }
  .seoUiCompare__table th:first-child { min-width: 16rem; }
  .seoUiFaq__columns { display: block; }
  .seoUiFaq__column { gap: 1rem; }
  .seoUiFaq__column + .seoUiFaq__column { margin-top: 1rem; }
  .seoUiFaq summary { padding: 1.6rem 5rem 1.6rem 1.7rem; font-size: 1.55rem; }
  .seoUiFaq details p { padding: 0 1.7rem 1.7rem; font-size: 1.55rem; }
  .seoUiSeoText { margin: 3.5rem auto 2rem; font-size: 1.25rem; line-height: 1.6; }
  .seoUiSeoText h2 { font-size: 1.7rem; }
}

@media (prefers-reduced-motion: reduce) {
  .seoUiInfoCard, .seoUiChooseCard, .seoUiProductCard, .seoUiCompare__toggle { transition: none; }
  .seoUiInfoCard:hover, .seoUiChooseCard:hover, .seoUiProductCard:hover { transform: none; }
}