/* История: главы, оглавление и текст оригинала. */
.history-page {
  --history-reading-width: 720px;
  --history-rail-width: 190px;
}

.history-hero-kicker {
  margin: 0 0 12px;
  color: var(--accent);
  font: 700 12px/1 var(--condensed);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.history-intro-section {
  padding: 54px 0 36px;
  border-bottom: 1px solid var(--line-soft);
}

.history-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.75fr);
  gap: 64px;
  align-items: end;
}

.history-intro-copy {
  max-width: 720px;
}

.history-intro-copy .eyebrow {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font: 700 11px/1 var(--condensed);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.history-intro-copy h2 {
  margin: 0 0 14px;
  color: #fff;
  font: 400 clamp(32px, 4vw, 50px)/1.05 var(--display);
}

.history-intro-copy p {
  margin: 0;
  color: #b7babd;
  font-size: 17px;
  line-height: 1.72;
}

.history-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.history-stats div {
  min-height: 92px;
  padding: 18px 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.history-stats strong, .history-stats span {
  display: block;
}

.history-stats strong {
  margin-bottom: 7px;
  color: #fff;
  font: 400 27px/1 var(--display);
}

.history-stats span {
  color: var(--muted);
  font: 700 10px/1.25 var(--condensed);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.history-content-section {
  padding: 58px 0 88px;
}

.history-layout {
  display: grid;
  grid-template-columns: var(--history-rail-width) minmax(0, var(--history-reading-width));
  justify-content: center;
  gap: 60px;
  align-items: start;
}

.history-toc {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.history-toc-inner {
  display: grid;
  gap: 2px;
}

.history-toc-title {
  margin-bottom: 12px;
  color: var(--muted);
  font: 700 10px/1 var(--condensed);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.history-toc a {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: center;
  min-height: 42px;
  padding: 8px 8px 8px 0;
  color: #b5b8ba;
  border-bottom: 1px solid #1f2224;
  font-size: 13px;
  line-height: 1.3;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.history-toc a span {
  color: var(--muted);
  font: 700 10px/1 var(--condensed);
}

.history-toc a:hover, .history-toc a:focus-visible {
  color: #fff;
  border-color: var(--accent);
}

.history-story {
  min-width: 0;
}

.history-chapter {
  scroll-margin-top: 108px;
  padding-bottom: 72px;
  margin-bottom: 70px;
  border-bottom: 1px solid var(--line-soft);
}

.history-chapter:last-of-type {
  margin-bottom: 0;
}

.history-chapter-header {
  margin-bottom: 28px;
}

.history-chapter-number, .history-chapter-period {
  display: inline-block;
  margin: 0 10px 10px 0;
  font: 700 10px/1 var(--condensed);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.history-chapter-number {
  color: var(--accent);
}

.history-chapter-period {
  color: var(--muted);
}

.history-chapter-header h2 {
  margin: 0 0 14px;
  color: #fff;
  font: 400 clamp(34px, 5vw, 54px)/1.03 var(--display);
  letter-spacing: -0.02em;
}

.history-chapter-lead {
  max-width: 650px;
  margin: 0;
  color: #aeb2b5;
  font-size: 17px;
  line-height: 1.65;
}

.history-feature-image {
  margin: 0 0 34px;
}

.history-feature-image picture {
  display: block;
  overflow: hidden;
  border: 1px solid #303336;
  background: #0c0e0f;
}

.history-feature-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.history-feature-image figcaption {
  margin-top: 9px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.history-prose {
  max-width: var(--history-reading-width);
}

.history-prose p {
  margin: 0 0 20px;
  color: #d0d2d3;
  font-size: 17px;
  line-height: 1.78;
  text-wrap: pretty;
}

.history-prose p:last-child {
  margin-bottom: 0;
}

.history-pullquote {
  position: relative;
  margin: 34px 0 36px;
  padding: 5px 0 5px 24px;
  border-left: 2px solid var(--red);
}

.history-pullquote p {
  margin: 0;
  color: #f3f3f1;
  font: 400 25px/1.42 var(--display);
}

.history-pullquote--accent {
  padding-top: 12px;
  padding-bottom: 12px;
}

.history-pullquote--accent p {
  font-size: 30px;
}

.history-chapter--today {
  padding-bottom: 36px;
}

.history-next-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.history-next-grid a {
  min-height: 130px;
  padding: 20px;
  border: 1px solid #2c2f31;
  background: #0d0f10;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.history-next-grid a:hover, .history-next-grid a:focus-visible {
  transform: translateY(-2px);
  border-color: #55595c;
  background: #111315;
}

.history-next-grid span, .history-next-grid strong {
  display: block;
}

.history-next-grid span {
  margin-bottom: 26px;
  color: var(--muted);
  font: 700 10px/1 var(--condensed);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.history-next-grid strong {
  color: #f1f1ef;
  font-size: 14px;
  line-height: 1.35;
}

.history-source-note {
  margin-top: 34px;
  padding: 20px 22px;
  border: 1px solid #25282a;
  background: #0a0c0d;
}

.history-source-note span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font: 700 10px/1 var(--condensed);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.history-source-note p {
  margin: 0;
  color: #a7aaad;
  font-size: 13px;
  line-height: 1.55;
}

@media (max-width: 980px) {
  .history-intro-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .history-stats {
    max-width: 640px;
  }
  .history-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .history-toc {
    position: static;
  }
  .history-story {
    max-width: var(--reading);
    margin-inline: auto;
  }
  .history-toc-inner {
    grid-template-columns: 1fr 1fr;
    gap: 0 18px;
  }
  .history-toc-title {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .history-intro-section {
    padding: 34px 0 28px;
  }
  .history-intro-copy h2 {
    font-size: 31px;
  }
  .history-intro-copy p, .history-chapter-lead, .history-prose p {
    font-size: 16px;
  }
  .history-stats div {
    min-height: 82px;
    padding: 15px 16px;
  }
  .history-stats strong {
    font-size: 24px;
  }
  .history-content-section {
    padding: 34px 0 62px;
  }
  .history-toc-inner {
    grid-template-columns: 1fr;
  }
  .history-toc a {
    min-height: 44px;
  }
  .history-chapter {
    padding-bottom: 48px;
    margin-bottom: 46px;
  }
  .history-chapter-header {
    margin-bottom: 22px;
  }
  .history-chapter-header h2 {
    font-size: 35px;
    line-height: 1.07;
  }
  .history-feature-image {
    margin-bottom: 26px;
  }
  .history-feature-image img {
    height: auto;
  }
  .history-prose p {
    margin-bottom: 18px;
    line-height: 1.72;
  }
  .history-pullquote {
    margin: 28px 0 30px;
    padding-left: 18px;
  }
  .history-pullquote p, .history-pullquote--accent p {
    font-size: 22px;
    line-height: 1.4;
  }
  .history-next-grid {
    grid-template-columns: 1fr;
  }
  .history-next-grid a {
    min-height: 104px;
  }
  .history-next-grid span {
    margin-bottom: 20px;
  }
}

.history-toc a[aria-current="location"] {
  color: var(--accent);
  border-color: var(--red);
}