.page-about {
  --about-primary: #0A1F44;
  --about-border: #E5E7EB;
  --about-bg: #F5F7FA;
  --about-surface: #FFFFFF;
  --about-soft: rgba(10, 31, 68, 0.06);
  --about-accent-soft: rgba(255, 107, 53, 0.14);
  --about-line: rgba(10, 31, 68, 0.18);
  color: var(--color-text);
}

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

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 28px 0 44px;
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -140px;
  z-index: 0;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.5), transparent 68%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
}

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

.page-about .about-hero .ya-breadcrumb {
  margin-bottom: 26px;
  font-family: var(--font-body);
  font-size: 14px;
}

.page-about .about-hero .ya-breadcrumb a,
.page-about .about-hero .ya-breadcrumb .current {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
}

.page-about .about-hero .ya-breadcrumb a:hover {
  color: var(--color-accent);
}

.page-about .about-hero .ya-breadcrumb .sep {
  padding: 0 6px;
  color: rgba(255, 255, 255, 0.5);
}

.page-about .about-hero .ya-breadcrumb .current {
  color: #FFFFFF;
}

.page-about .about-hero__intro .ya-data-label {
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-about .about-hero h1 {
  max-width: 14em;
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(32px, 5.6vw, 54px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-about .about-hero__lead {
  max-width: 58em;
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.9;
  color: rgba(245, 247, 250, 0.9);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero__stat {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
}

.page-about .about-hero__stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  color: #FFFFFF;
}

.page-about .about-hero__stat-label {
  display: block;
  margin-top: 4px;
  font-family: var(--font-body);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.68);
}

.page-about .about-toc {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin-top: 24px;
}

.page-about .about-toc__title {
  margin-right: 6px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-about .about-toc a {
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.page-about .about-toc a:hover,
.page-about .about-toc a:focus-visible {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
}

.page-about .about-hero__visual {
  margin: 32px 0 0;
}

.page-about .about-hero__img {
  display: block;
  width: 100%;
  aspect-ratio: 12 / 5;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
}

.page-about .about-identity {
  padding: 56px 0;
  background: var(--about-bg);
}

.page-about .about-identity__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-identity__content h2,
.page-about .about-milestones h2,
.page-about .about-team h2,
.page-about .about-honors h2 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.page-about .about-identity__content p,
.page-about .about-identity__side p {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-secondary);
}

.page-about .about-identity__feature-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-identity__feature-list li {
  position: relative;
  padding-left: 28px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text);
}

.page-about .about-identity__feature-list li::before {
  content: "";
  position: absolute;
  top: 0.6em;
  left: 0;
  width: 14px;
  height: 14px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  background: var(--about-accent-soft);
}

.page-about .about-identity__side {
  padding: 26px 24px;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-accent);
  border-radius: var(--radius-lg);
  background: var(--about-surface);
  box-shadow: var(--shadow-sm);
}

.page-about .about-identity__side > h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
}

.page-about .about-identity__side-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-identity__side-list li {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.page-about .about-identity__side-list li::before {
  content: "✓";
  position: absolute;
  top: 0;
  left: 0;
  font-weight: 700;
  color: var(--color-accent);
}

.page-about .about-identity__trust {
  margin: 20px 0 0;
  padding: 16px 0 0;
  border-top: 1px dashed var(--color-border);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.page-about .about-milestones {
  padding: 56px 0 72px;
  background: var(--about-surface);
}

.page-about .about-milestones__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.page-about .about-milestones__head p {
  max-width: 44em;
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.page-about .about-milestones__tip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-secondary);
}

.page-about .about-milestones__tip::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--about-accent-soft);
}

.page-about .about-milestones__track {
  position: relative;
  margin-top: 36px;
}

.page-about .about-milestones__track::before {
  content: "";
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 5px;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-accent) 55%, rgba(255, 107, 53, 0.35) 100%);
}

.page-about .about-milestone {
  position: relative;
  margin-bottom: 20px;
  margin-left: 32px;
}

.page-about .about-milestone::before {
  content: "";
  position: absolute;
  top: 22px;
  left: -32px;
  z-index: 1;
  width: 12px;
  height: 12px;
  border: 3px solid var(--about-surface);
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.page-about .about-milestone__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 18px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--about-bg);
  cursor: pointer;
  list-style: none;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-about .about-milestone__summary::-webkit-details-marker {
  display: none;
}

.page-about .about-milestone__summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.page-about .about-milestone__summary:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.page-about .about-milestone__stage {
  padding: 2px 10px;
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-about .about-milestone__year {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
}

.page-about .about-milestone__title {
  flex: 1 1 200px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
}

.page-about .about-milestone__summary::after {
  content: "+";
  align-self: center;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.page-about .about-milestone[open] .about-milestone__summary {
  border-color: var(--color-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--color-primary);
  color: #FFFFFF;
}

.page-about .about-milestone[open] .about-milestone__year,
.page-about .about-milestone[open] .about-milestone__title {
  color: #FFFFFF;
}

.page-about .about-milestone[open] .about-milestone__stage {
  border-color: rgba(255, 255, 255, 0.64);
  color: #FFFFFF;
}

.page-about .about-milestone[open] .about-milestone__summary::after {
  transform: rotate(45deg);
}

.page-about .about-milestone__body {
  padding: 18px 20px 22px;
  border: 1px solid var(--color-border);
  border-top: 0;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background: var(--about-surface);
}

.page-about .about-milestone__body p {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.page-about .about-milestone__body p:last-child {
  margin-bottom: 0;
}

.page-about .about-team {
  overflow: hidden;
  padding: 56px 0 64px;
  background: var(--about-bg);
}

.page-about .about-team__grid {
  display: grid;
  gap: 32px 56px;
}

.page-about .about-team__content p {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-secondary);
}

.page-about .about-team__bars {
  display: grid;
  gap: 20px;
  margin: 30px 0 26px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--about-surface);
  box-shadow: var(--shadow-sm);
}

.page-about .about-team__bar {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  align-items: center;
}

.page-about .about-team__bar-num {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-primary);
}

.page-about .about-team__bar-num small {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.page-about .about-team__bar-info {
  display: grid;
  gap: 6px;
}

.page-about .about-team__bar-info strong {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.page-about .about-team__bar-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--about-bg);
}

.page-about .about-team__bar-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
}

.page-about .about-team__fill--dev {
  background: var(--color-data);
}

.page-about .about-team__fill--data {
  background: var(--color-accent);
}

.page-about .about-team__fill--ops {
  background: var(--color-success);
}

.page-about .about-team__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-about .about-team__chips span {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--about-surface);
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--color-text-secondary);
}

.page-about .about-team__figure {
  position: relative;
  align-self: center;
  margin: 0;
}

.page-about .about-team__figure::after {
  content: "";
  position: absolute;
  right: -14px;
  bottom: -14px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
}

.page-about .about-team__img {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

.page-about .about-honors {
  position: relative;
  overflow: hidden;
  padding: 56px 0 64px;
  background: var(--color-primary);
  color: #FFFFFF;
}

.page-about .about-honors::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.4), transparent 70%);
}

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

.page-about .about-honors .ya-data-label {
  color: rgba(255, 255, 255, 0.64);
}

.page-about .about-honors h2 {
  color: #FFFFFF;
}

.page-about .about-honors__head p {
  max-width: 44em;
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.84);
}

.page-about .about-honors__grid {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.page-about .about-honor-card {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.07);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.page-about .about-honor-card:hover {
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.11);
  transform: translateY(-4px);
}

.page-about .about-honor-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: 12px;
  background: rgba(255, 107, 53, 0.16);
  color: var(--color-accent);
}

.page-about .about-honor-card__icon svg {
  display: block;
}

.page-about .about-honor-card__num {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.page-about .about-honor-card h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: #FFFFFF;
}

.page-about .about-honor-card p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.84);
}

.page-about .about-honors__bottom {
  display: grid;
  gap: 32px;
  margin-top: 40px;
  align-items: center;
}

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

.page-about .about-honors__img {
  display: block;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 4 / 3;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.4);
}

.page-about .about-trust {
  padding: 26px 24px;
  border-left: 4px solid var(--color-accent);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.page-about .about-trust p {
  margin: 14px 0 18px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: rgba(245, 247, 250, 0.9);
}

.page-about .about-honors__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  background: transparent;
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.page-about .about-honors__action:hover,
.page-about .about-honors__action:focus-visible {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
}

.page-about .about-next {
  padding: 48px 0;
  background: var(--about-bg);
}

.page-about .about-next__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--about-surface);
  box-shadow: var(--shadow-sm);
}

.page-about .about-next__inner p {
  max-width: 34em;
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.page-about .about-next__inner p span {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
}

.page-about .about-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.page-about .about-btn--primary {
  background: var(--color-accent);
  color: #FFFFFF;
}

.page-about .about-btn--primary:hover,
.page-about .about-btn--primary:focus-visible {
  background: var(--color-accent-dark);
  color: #FFFFFF;
}

.page-about .about-btn--ghost {
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
}

.page-about .about-btn--ghost:hover,
.page-about .about-btn--ghost:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

@media (min-width: 720px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-identity__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

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

  .page-about .about-honors__bottom {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (min-width: 840px) {
  .page-about .about-milestones__track::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .about-milestone {
    width: calc(50% - 36px);
    margin-left: 0;
    margin-bottom: 26px;
  }

  .page-about .about-milestone--left {
    margin-right: auto;
  }

  .page-about .about-milestone--right {
    margin-left: auto;
  }

  .page-about .about-milestone--left::before {
    right: -42px;
    left: auto;
  }

  .page-about .about-milestone--right::before {
    right: auto;
    left: -42px;
  }
}