/* The Russian landing page reuses the shared components from main.css.
   The bundled STIX Two Text and IBM Plex Mono subsets contain Latin glyphs
   only, so Cyrillic headings and labels need compatible fallbacks. */
html {
  min-width: 0;
}

.page-ru {
  --font-mono: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}

.page-ru :is(section, article)[id] {
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.page-ru .home-hero-copy h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.75rem, 4vw, 4rem);
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.page-ru .home-hero-copy h1 em {
  color: var(--accent);
}

.page-ru .home-hero-copy .lead {
  font-family: var(--font-sans);
}

.ru-disclaimer {
  max-width: 66ch;
  margin-top: 1.35rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.page-ru .category-card-body h3 {
  font-family: Georgia, "Times New Roman", serif;
}

.page-ru .category-card-body h3 a {
  overflow-wrap: anywhere;
}

.page-ru .category-card-link {
  letter-spacing: 0.045em;
}

.page-ru .cta-band .button-row {
  min-width: min(100%, 20rem);
}

.header-cta-short {
  display: none;
}

.ru-analytics-note {
  padding-top: 2rem;
  color: var(--on-bench-faint);
  font-size: 0.82rem;
}

.ru-analytics-note details {
  max-width: 76ch;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1rem;
}

.ru-analytics-note summary {
  width: fit-content;
  cursor: pointer;
  color: var(--on-bench);
}

.ru-analytics-note p {
  margin-top: 0.9rem;
}

.ru-analytics-note a {
  color: var(--on-bench);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

@media (max-width: 980px) {
  .page-ru .header-actions {
    margin-left: auto;
  }

  .page-ru .header-cta {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .page-ru {
    --header-h: 76px;
  }

  .page-ru .container {
    width: min(100% - 1.5rem, var(--container));
  }

  .page-ru .header-inner {
    gap: 0.5rem;
  }

  .page-ru .brand-logo {
    block-size: 4rem;
  }

  .page-ru .header-actions {
    gap: 0.45rem;
  }

  .page-ru .header-cta {
    max-width: none;
    min-height: 2.55rem;
    padding-inline: 0.8rem;
    font-size: 0.68rem;
    line-height: 1.15;
    white-space: nowrap;
  }

  .page-ru .breadcrumbs {
    display: none;
  }

  .page-ru .home-hero {
    padding-top: 2rem;
  }

  .page-ru .home-hero-grid {
    gap: 2rem;
  }

  .page-ru .home-hero-copy h1 {
    font-size: clamp(1.8rem, 8.5vw, 2.55rem);
    letter-spacing: -0.025em;
    line-height: 1.02;
  }

  .page-ru .home-hero-copy .doc-meta {
    margin-bottom: 1.15rem;
    font-size: 0.66rem;
    letter-spacing: 0.085em;
  }

  .page-ru .home-hero-copy .lead {
    font-size: 1rem;
    line-height: 1.55;
  }

  .page-ru .home-hero-copy .button-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.65rem;
  }

  .page-ru .home-hero-copy .btn {
    width: 100%;
    min-height: 3rem;
  }

  .page-ru .ru-disclaimer {
    margin-top: 1rem;
    font-size: 0.82rem;
    line-height: 1.55;
  }

  .page-ru .hero-media > img {
    flex: none;
    aspect-ratio: 4 / 3;
  }

  .page-ru .fig-caption {
    margin-top: 0.55rem;
    font-size: 0.7rem;
    line-height: 1.5;
  }

  .page-ru .hero-trace {
    height: 54px;
    margin-top: 1.5rem;
  }

  .page-ru .fact {
    min-width: 0;
    padding: 1.1rem 0.65rem;
  }

  .page-ru .fact:first-child {
    padding-left: 0;
  }

  .page-ru .fact:nth-child(even) {
    padding-left: 0.75rem;
  }

  .page-ru .fact strong {
    font-size: clamp(1.35rem, 6vw, 1.6rem);
    overflow-wrap: anywhere;
  }

  .page-ru .fact span {
    font-size: 0.66rem;
    letter-spacing: 0.055em;
  }

  .page-ru .fact:last-child {
    grid-column: 1 / -1;
    border-left: 0;
    padding-left: 0;
  }

  .page-ru .section {
    padding-block: 3rem;
  }

  .page-ru .sec {
    padding-top: 1rem;
  }

  .page-ru .sec-mark {
    margin-bottom: 1rem;
  }

  .page-ru .section-heading {
    margin-bottom: 1.5rem;
  }

  .page-ru .section-heading-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .page-ru .section-heading-row .text-link {
    margin-top: 0;
  }

  .page-ru .sec-body > h2,
  .page-ru .split-feature h2,
  .page-ru .section-heading h2,
  .page-ru .cta-band h2 {
    font-size: clamp(1.75rem, 8vw, 2.1rem);
    line-height: 1.08;
  }

  .page-ru .category-card-body,
  .page-ru .metric-card,
  .page-ru .value-card {
    padding: 1.2rem;
  }

  .page-ru .category-card-body h3 {
    font-size: 1.35rem;
    line-height: 1.14;
  }

  .page-ru .category-card-link {
    padding-top: 1rem;
    font-size: 0.7rem;
  }

  .page-ru .split-feature {
    gap: 1.75rem;
  }

  .page-ru .split-feature > figure {
    margin: 0;
  }

  .page-ru .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-ru .metric-card strong {
    font-size: clamp(1.25rem, 5.8vw, 1.55rem);
    white-space: nowrap;
  }

  .page-ru .metric-card span {
    font-size: 0.64rem;
    letter-spacing: 0.055em;
  }

  .page-ru .cta-band {
    padding-block: 3rem;
  }

  .page-ru .cta-band-inner {
    gap: 1.5rem;
  }

  .page-ru .cta-band .button-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
    min-width: 0;
    gap: 0.65rem;
  }

  .page-ru .cta-band .btn {
    width: 100%;
  }

  .page-ru .footer-fig {
    padding-top: 1.5rem;
  }

  .page-ru .footer-trace {
    height: 44px;
  }

  .page-ru .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem 1.25rem;
    padding-top: 1.75rem;
  }

  .page-ru .footer-brand-col,
  .page-ru .footer-grid > .footer-col:last-child {
    grid-column: 1 / -1;
  }

  .page-ru .footer-list a[href^="mailto:"] {
    overflow-wrap: anywhere;
  }

  .page-ru .ru-analytics-note {
    padding-top: 1.75rem;
  }

  .page-ru .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
  }
}

@media (max-width: 480px) {
  .page-ru .header-cta-full {
    display: none;
  }

  .page-ru .header-cta-short {
    display: inline;
  }

  .page-ru .header-cta {
    min-width: 4.9rem;
  }
}

@media (max-width: 360px) {
  .page-ru .container {
    width: min(100% - 1.25rem, var(--container));
  }

  .page-ru .brand-logo {
    block-size: 3.75rem;
  }

  .page-ru .header-cta {
    min-width: 4.5rem;
    padding-inline: 0.65rem;
  }
}