.page-about {
  --about-grid-line: rgba(57, 255, 20, 0.05);
  --about-accent-wash: rgba(57, 255, 20, 0.08);
  --about-orange-wash: rgba(255, 106, 0, 0.08);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about .container {
  position: relative;
  z-index: 1;
}

.page-about img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about figure {
  margin: 0;
}

.page-about figcaption {
  margin-top: 12px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.5;
  text-align: center;
}

.page-about-hero {
  position: relative;
  padding: 48px 0 56px;
  overflow: hidden;
  background:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px),
    var(--color-bg);
  background-size: 44px 44px, 44px 44px, auto;
}

.page-about-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  background: var(--about-accent-wash);
  filter: blur(80px);
  pointer-events: none;
}

.page-about-hero__container {
  padding-top: 8px;
}

.page-about-hero .breadcrumbs {
  margin-bottom: 36px;
}

.page-about-hero__grid {
  display: grid;
  gap: 32px;
  align-items: end;
}

.page-about-hero__deco {
  display: none;
}

.page-about-hero__lead {
  max-width: 720px;
  margin-top: 16px;
  color: var(--color-text-dim);
  line-height: 1.8;
  font-size: 16px;
}

.page-about-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-about-hero__index {
  display: grid;
  gap: 12px;
}

.page-about-hero__card {
  background: rgba(13, 36, 80, 0.86);
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-accent);
  padding: 16px 20px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-about-hero__num {
  font-family: var(--font-mono);
  font-size: 36px;
  line-height: 1;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.page-about-hero__desc {
  font-size: 14px;
  color: var(--color-text-dim);
  letter-spacing: 0.04em;
}

.page-about-story {
  padding: 64px 0;
  background: var(--color-bg);
}

.page-about-story__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-about-story__text > p {
  margin-top: 16px;
  color: var(--color-text-dim);
  line-height: 1.8;
  font-size: 16px;
}

.page-about-story__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about-story__media {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.page-about-route {
  padding: 64px 0;
  background: var(--color-bg-deep);
  position: relative;
}

.page-about-route__head {
  max-width: 680px;
}

.page-about-route__head::after {
  content: "";
  display: block;
  width: 72px;
  height: 2px;
  margin-top: 20px;
  background: var(--color-orange);
}

.page-about-route__intro {
  margin-top: 16px;
  color: var(--color-text-dim);
  line-height: 1.8;
}

.page-about-route__list {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
}

.page-about-route__item {
  position: relative;
  padding-left: 56px;
  padding-bottom: 34px;
}

.page-about-route__item:last-child {
  padding-bottom: 0;
}

.page-about-route__item::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 34px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--color-orange) 0%, var(--color-border) 60%);
}

.page-about-route__item:last-child::before {
  display: none;
}

.page-about-route__rail {
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  z-index: 1;
}

.page-about-route__index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-orange);
  border: 1px solid var(--color-orange);
  background: var(--color-bg-deep);
  animation: aboutRoutePulse 2.4s ease-out infinite;
}

@keyframes aboutRoutePulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 106, 0, 0.28);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(255, 106, 0, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 106, 0, 0);
  }
}

.page-about-route__card {
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg-panel);
  padding: 20px;
}

.page-about-route__title {
  margin: 0;
  font-family: var(--font-title);
  font-size: 18px;
  line-height: 1.4;
  color: var(--color-text);
}

.page-about-route__text {
  margin: 10px 0 0;
  color: var(--color-text-dim);
  line-height: 1.7;
  font-size: 15px;
}

.page-about-route__card .tag {
  margin-top: 14px;
}

.page-about-scale {
  padding: 64px 0;
}

.page-about-scale__head {
  max-width: 680px;
}

.page-about-scale__head::after {
  content: "";
  display: block;
  width: 72px;
  height: 2px;
  margin-top: 20px;
  background: var(--color-accent);
}

.page-about-scale__intro {
  margin-top: 14px;
  color: var(--color-text-dim);
  line-height: 1.8;
}

.page-about-scale__stats {
  display: grid;
  gap: 14px;
  margin-top: 36px;
}

.page-about-scale__stat {
  position: relative;
  border: 1px solid var(--color-border);
  background: rgba(13, 36, 80, 0.6);
  padding: 28px 22px;
  overflow: hidden;
}

.page-about-scale__stat::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 80px;
  height: 80px;
  border: 1px solid rgba(57, 255, 20, 0.2);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-about-scale__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(48px, 9vw, 88px);
  line-height: 1;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.page-about-scale__label {
  display: block;
  margin-top: 10px;
  font-size: 16px;
  color: var(--color-text-dim);
  letter-spacing: 0.08em;
}

.page-about-scale__note {
  margin-top: 28px;
  padding: 16px 20px;
  border-left: 3px solid var(--color-orange);
  background: var(--about-orange-wash);
  color: var(--color-text-dim);
  font-size: 15px;
  line-height: 1.7;
}

.page-about-scale__media {
  max-width: 600px;
  margin: 36px auto 0;
}

.page-about-scale__media img {
  filter: saturate(0.85) contrast(1.08);
}

.page-about-tech {
  padding: 64px 0;
  background: var(--color-bg-deep);
}

.page-about-tech__grid {
  display: grid;
  gap: 36px;
}

.page-about-tech__content .kicker {
  margin-bottom: 12px;
}

.page-about-tech__list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
}

.page-about-tech__item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}

.page-about-tech__item:first-child {
  border-top: 1px solid var(--color-border);
}

.page-about-tech__mark {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--color-orange);
  line-height: 1.6;
}

.page-about-tech__item h3 {
  margin: 0;
  font-family: var(--font-title);
  font-size: 17px;
  color: var(--color-text);
  line-height: 1.4;
}

.page-about-tech__item p {
  margin: 8px 0 0;
  color: var(--color-text-dim);
  line-height: 1.7;
  font-size: 15px;
}

.page-about-tech__media {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.page-about-tech__media img {
  filter: saturate(0.9) contrast(1.06);
}

.page-about-honors {
  padding: 64px 0;
}

.page-about-honors__head {
  max-width: 680px;
}

.page-about-honors__head::after {
  content: "";
  display: block;
  width: 72px;
  height: 2px;
  margin-top: 20px;
  background: var(--color-orange);
}

.page-about-honors__intro {
  margin-top: 14px;
  color: var(--color-text-dim);
  line-height: 1.8;
}

.page-about-honors__grid {
  display: grid;
  gap: 14px;
  margin-top: 36px;
}

.page-about-honors__card {
  position: relative;
  border: 1px solid var(--color-border);
  background: rgba(13, 36, 80, 0.5);
  padding: 24px 20px;
  min-height: 150px;
  transition: border-color 0.3s, background-color 0.3s;
}

.page-about-honors__card:hover {
  border-color: rgba(57, 255, 20, 0.55);
  background: rgba(13, 36, 80, 0.85);
}

.page-about-honors__index {
  position: absolute;
  right: 16px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--color-accent);
  opacity: 0.6;
}

.page-about-honors__card h3 {
  margin: 0 0 10px;
  padding-right: 40px;
  font-family: var(--font-title);
  font-size: 18px;
  color: var(--color-text);
  line-height: 1.4;
}

.page-about-honors__card p {
  margin: 0;
  color: var(--color-text-dim);
  line-height: 1.7;
  font-size: 15px;
}

.page-about-exit {
  padding: 64px 0 80px;
}

.page-about-exit__panel {
  border: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--about-accent-wash) 0%, transparent 60%);
  padding: 40px 24px;
  text-align: center;
}

.page-about-exit__panel .section-title {
  margin-top: 8px;
}

.page-about-exit__text {
  max-width: 520px;
  margin: 14px auto 0;
  color: var(--color-text-dim);
  line-height: 1.7;
}

.page-about-exit__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

@media (min-width: 640px) {
  .page-about-hero__index {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about-scale__stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about-honors__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about-route__item {
    padding-left: 68px;
  }

  .page-about-route__rail {
    width: 28px;
    height: 28px;
  }

  .page-about-route__index {
    width: 28px;
    height: 28px;
    font-size: 13px;
  }

  .page-about-route__item::before {
    left: 13px;
    top: 38px;
  }

  .page-about-route__card {
    padding: 24px;
  }
}

@media (min-width: 960px) {
  .page-about-hero {
    padding: 64px 0 72px;
  }

  .page-about-hero__grid {
    grid-template-columns: 1fr 340px;
    gap: 48px;
  }

  .page-about-hero__index {
    grid-template-columns: 1fr;
  }

  .page-about-hero__deco {
    display: block;
    position: absolute;
    right: 0;
    bottom: 24px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    color: rgba(160, 176, 200, 0.35);
    writing-mode: vertical-rl;
    transform: rotate(180deg);
  }

  .page-about-story {
    padding: 88px 0;
  }

  .page-about-story__grid {
    grid-template-columns: 1fr 400px;
    gap: 64px;
  }

  .page-about-route {
    padding: 88px 0;
  }

  .page-about-route__list {
    margin-top: 52px;
  }

  .page-about-route__item {
    padding-left: 96px;
  }

  .page-about-route__rail {
    left: 0;
  }

  .page-about-route__card {
    max-width: 760px;
  }

  .page-about-scale {
    padding: 88px 0;
  }

  .page-about-tech {
    padding: 88px 0;
  }

  .page-about-tech__grid {
    grid-template-columns: 1fr 0.9fr;
    gap: 56px;
    align-items: center;
  }

  .page-about-tech__media {
    margin: 0;
  }

  .page-about-honors {
    padding: 88px 0;
  }

  .page-about-honors__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-about-exit {
    padding: 80px 0 96px;
  }

  .page-about-exit__panel {
    padding: 56px 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about-route__index {
    animation: none;
  }
}