.page-about {
  --page-about-tilt: -2deg;
  --page-about-tilt-2: 4deg;
  background: var(--tbo-bg);
  color: var(--tbo-text);
  overflow-x: clip;
}

.page-about__hero {
  position: relative;
  padding: calc(var(--tbo-header-h) + 48px) 0 44px;
  overflow: hidden;
}

.page-about__hero::before {
  content: "";
  position: absolute;
  top: 40px;
  right: -160px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 232, 143, 0.09) 0%, transparent 70%);
  pointer-events: none;
}

.page-about__breadcrumb {
  margin-bottom: 20px;
}

.page-about__hero-window {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 26px;
  background: linear-gradient(135deg, rgba(26, 34, 56, 0.9) 0%, rgba(18, 24, 48, 0.96) 100%);
}

.page-about__hero-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-about__hero-kicker {
  color: var(--tbo-green);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
}

.page-about__hero-folio {
  font-family: var(--tbo-mono);
  font-size: 12px;
  color: var(--tbo-text-2);
}

.page-about__hero-title {
  font-size: 36px;
  line-height: 1.16;
  font-weight: 100;
  letter-spacing: 0.02em;
  margin: 0;
}

.page-about__hero-title-main {
  display: inline;
}

.page-about__hero-title-sep {
  color: var(--tbo-green);
}

.page-about__hero-title-sub {
  display: block;
  font-size: 0.6em;
  color: var(--tbo-text-2);
  font-weight: 300;
  margin-top: 10px;
}

.page-about__hero-lead {
  margin: 0;
  max-width: 46em;
  color: var(--tbo-text-2);
  font-size: 16px;
  line-height: 1.8;
}

.page-about__index {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
  border-top: 1px solid var(--tbo-border);
  padding-top: 22px;
}

.page-about__index-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--tbo-radius);
  text-decoration: none;
  color: var(--tbo-text-2);
  transition: background-color var(--tbo-transition), color var(--tbo-transition), box-shadow var(--tbo-transition);
}

.page-about__index-item:hover,
.page-about__index-item:focus-visible {
  outline: none;
  background: var(--tbo-bg-3);
  color: var(--tbo-text);
  box-shadow: inset 0 0 0 1px var(--tbo-green);
}

.page-about__index-num {
  font-family: var(--tbo-mono);
  font-size: 12px;
  color: var(--tbo-green);
}

.page-about__index-label {
  font-size: 14px;
  font-weight: 400;
}

.page-about__section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.page-about__section-id {
  font-family: var(--tbo-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--tbo-text-2);
  background: var(--tbo-bg-3);
  border: 1px solid var(--tbo-border);
  border-radius: var(--tbo-radius-pill);
  padding: 5px 12px;
  white-space: nowrap;
}

.page-about__section-title {
  font-size: 28px;
  font-weight: 300;
  line-height: 1.3;
  margin: 0 0 16px;
  letter-spacing: 0.01em;
}

.page-about__intro {
  padding-top: 60px;
  padding-bottom: 60px;
  border-top: 1px solid var(--tbo-border);
}

.page-about__intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-about__intro-copy {
  display: flex;
  flex-direction: column;
}

.page-about__intro-lead {
  font-size: 18px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--tbo-text);
  margin: 0 0 14px;
}

.page-about__intro-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--tbo-text-2);
  margin: 0;
}

.page-about__mission {
  margin-top: 22px;
  border-left: 3px solid var(--tbo-green);
  background: rgba(0, 232, 143, 0.05);
  border-radius: 0 var(--tbo-radius) var(--tbo-radius) 0;
  padding: 16px 18px;
}

.page-about__mission-label {
  display: block;
  font-family: var(--tbo-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--tbo-green);
}

.page-about__mission-text {
  margin: 8px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--tbo-text);
}

.page-about__values {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about__values-item {
  display: grid;
  gap: 4px;
  padding: 13px 14px;
  border: 1px solid var(--tbo-border);
  border-radius: var(--tbo-radius-sm);
  background: rgba(18, 24, 48, 0.52);
}

.page-about__values-item strong {
  font-size: 14px;
  font-weight: 500;
  color: var(--tbo-green);
}

.page-about__values-item span {
  font-size: 13px;
  line-height: 1.65;
  color: var(--tbo-text-2);
}

.page-about__intro-media {
  margin: 0;
}

.page-about__intro-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--tbo-radius-lg);
  border: 1px solid var(--tbo-border);
}

.page-about__caption {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 10px;
  font-family: var(--tbo-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--tbo-text-2);
}

.page-about__caption::before {
  content: "";
  flex-shrink: 0;
  width: 18px;
  height: 1px;
  background: var(--tbo-green);
}

.page-about__numbers {
  padding-top: 44px;
  padding-bottom: 60px;
}

.page-about__numbers-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--tbo-border);
  border-radius: var(--tbo-radius-lg);
  padding: 32px 20px;
  background:
    linear-gradient(120deg, transparent 0 64%, rgba(0, 232, 143, 0.07) 64%, rgba(0, 232, 143, 0.12) 68%, transparent 68%),
    linear-gradient(120deg, var(--tbo-bg-2) 0%, var(--tbo-bg-3) 100%);
}

.page-about__numbers-title {
  margin-bottom: 28px;
}

.page-about__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about__metric {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: rgba(10, 14, 26, 0.7);
  border: 1px solid var(--tbo-border);
  border-radius: var(--tbo-radius);
  transition: transform var(--tbo-transition), border-color var(--tbo-transition);
}

.page-about__metric:hover,
.page-about__metric:focus-within {
  transform: translateY(-4px);
  border-color: var(--tbo-green);
}

.page-about__metric-index {
  font-family: var(--tbo-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--tbo-text-2);
}

.page-about__metric-value {
  font-family: var(--tbo-mono);
  font-size: 32px;
  line-height: 1.1;
  font-weight: 500;
  color: var(--tbo-text);
}

.page-about__metric-unit {
  font-size: 0.55em;
  color: var(--tbo-green);
  margin-left: 2px;
}

.page-about__metric-label {
  font-size: 15px;
  font-weight: 500;
  color: var(--tbo-text);
}

.page-about__metric-note {
  font-size: 12px;
  line-height: 1.5;
  color: var(--tbo-text-2);
}

.page-about__sync {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 10px 14px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--tbo-border);
}

.page-about__sync-label {
  font-family: var(--tbo-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tbo-orange);
}

.page-about__sync-item {
  font-size: 13px;
  font-weight: 400;
  color: var(--tbo-text-2);
}

.page-about__sync-sep {
  color: var(--tbo-green);
}

.page-about__history {
  padding-top: 60px;
  padding-bottom: 60px;
  border-top: 1px solid var(--tbo-border);
}

.page-about__history-lead {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--tbo-text-2);
}

.page-about__history-layout {
  display: block;
}

.page-about__timeline {
  position: relative;
  margin-top: 36px;
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--tbo-green) 0%, rgba(0, 232, 143, 0.35) 60%, rgba(255, 107, 0, 0.3) 100%);
}

.page-about__timeline-item {
  position: relative;
  padding-left: 14px;
}

.page-about__timeline-dot {
  position: absolute;
  left: 0;
  top: 24px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--tbo-bg);
  border: 3px solid var(--tbo-green);
  box-shadow: 0 0 0 5px rgba(0, 232, 143, 0.12);
}

.page-about__timeline-card {
  background: linear-gradient(120deg, rgba(26, 34, 56, 0.92), rgba(18, 24, 48, 0.96));
  border: 1px solid var(--tbo-border);
  border-radius: var(--tbo-radius);
  padding: 18px 20px;
  transition: transform var(--tbo-transition), border-color var(--tbo-transition), background-color var(--tbo-transition);
}

.page-about__timeline-item:hover .page-about__timeline-card,
.page-about__timeline-item:focus-within .page-about__timeline-card {
  transform: translateY(-3px);
  border-color: var(--tbo-green);
  background: linear-gradient(120deg, rgba(26, 34, 56, 1), rgba(18, 24, 48, 1));
}

.page-about__timeline-phase {
  margin-bottom: 12px;
}

.page-about__timeline-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--tbo-text);
}

.page-about__timeline-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--tbo-text-2);
}

.page-about__history-media {
  margin: 36px 0 0;
}

.page-about__history-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--tbo-radius-lg);
  border: 1px solid var(--tbo-border);
}

.page-about__cert {
  padding-top: 60px;
  padding-bottom: 60px;
  border-top: 1px solid var(--tbo-border);
  background:
    linear-gradient(115deg, transparent 0 78%, rgba(255, 107, 0, 0.06) 78%, rgba(255, 107, 0, 0.12) 82%, transparent 82%),
    transparent;
}

.page-about__cert-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.page-about__cert-copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--tbo-text-2);
}

.page-about__cert-copy p:last-child {
  margin-bottom: 0;
}

.page-about__cert-media {
  position: relative;
  margin: 0;
  text-align: center;
}

.page-about__cert-media::after {
  content: "";
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1px dashed rgba(0, 232, 143, 0.35);
  pointer-events: none;
}

.page-about__cert-media img {
  display: block;
  width: 100%;
  max-width: 280px;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  margin: 0 auto;
  border-radius: 50%;
  border: 1px solid var(--tbo-border);
}

.page-about__cert-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-about__cert-item {
  display: flex;
  gap: 14px;
  padding: 18px 16px;
  background: var(--tbo-bg-3);
  border: 1px solid var(--tbo-border);
  border-radius: var(--tbo-radius);
}

.page-about__cert-item-num {
  flex-shrink: 0;
  font-family: var(--tbo-mono);
  font-size: 12px;
  color: var(--tbo-orange);
}

.page-about__cert-item strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15px;
  font-weight: 500;
  color: var(--tbo-text);
}

.page-about__cert-item div span {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--tbo-text-2);
}

.page-about__capability {
  padding-top: 60px;
  padding-bottom: 60px;
  border-top: 1px solid var(--tbo-border);
}

.page-about__capability-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--tbo-text-2);
}

.page-about__capability-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.page-about__capability-item {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 24px 28px;
  background: linear-gradient(120deg, var(--tbo-bg-2), var(--tbo-bg-3));
  border: 1px solid var(--tbo-border);
  border-radius: var(--tbo-radius);
  transition: transform var(--tbo-transition), border-color var(--tbo-transition);
}

.page-about__capability-item::after {
  content: "";
  position: absolute;
  right: -24px;
  top: -24px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: rgba(0, 232, 143, 0.05);
  transition: transform var(--tbo-transition), background var(--tbo-transition);
}

.page-about__capability-item:hover,
.page-about__capability-item:focus-within {
  transform: translateY(-3px);
  border-color: var(--tbo-green);
}

.page-about__capability-item:hover::after,
.page-about__capability-item:focus-within::after {
  transform: scale(1.15);
  background: rgba(0, 232, 143, 0.1);
}

.page-about__capability-index {
  position: relative;
  z-index: 1;
  font-family: var(--tbo-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--tbo-green);
}

.page-about__capability-item h3 {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 500;
  color: var(--tbo-text);
}

.page-about__capability-item p {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--tbo-text-2);
}

.page-about__capability-cta {
  margin-top: 28px;
  text-align: center;
}

.page-about__contact {
  padding-top: 20px;
  padding-bottom: 72px;
}

.page-about__contact-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px 24px;
  background:
    linear-gradient(135deg, rgba(255, 107, 0, 0.08), transparent 42%),
    linear-gradient(120deg, var(--tbo-bg-2), var(--tbo-bg-3));
  border: 1px solid var(--tbo-border);
  border-left: 3px solid var(--tbo-orange);
  border-radius: var(--tbo-radius-lg);
}

.page-about__contact-main h2 {
  margin: 0 0 8px;
  font-size: 24px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--tbo-text);
}

.page-about__contact-main p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--tbo-text-2);
}

.page-about__contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 720px) {
  .page-about__metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about__metric-value {
    font-size: 36px;
  }

  .page-about__capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 24px;
  }

  .page-about__contact-actions {
    margin-top: 4px;
  }
}

@media (min-width: 960px) {
  .page-about__hero {
    padding: calc(var(--tbo-header-h) + 64px) 0 64px;
  }

  .page-about__hero-window {
    padding: 44px 56px 40px;
    gap: 32px;
  }

  .page-about__hero-title {
    font-size: 64px;
    line-height: 1.1;
  }

  .page-about__hero-title-sub {
    font-size: 0.5em;
    margin-top: 12px;
  }

  .page-about__hero-lead {
    font-size: 17px;
  }

  .page-about__section-title {
    font-size: 34px;
  }

  .page-about__intro {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .page-about__intro-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 64px;
    align-items: start;
  }

  .page-about__intro-media {
    margin-top: 8px;
    transform: rotate(0.8deg);
    transition: transform var(--tbo-transition);
  }

  .page-about__intro-media:hover {
    transform: rotate(0deg);
  }

  .page-about__numbers {
    padding-top: 64px;
    padding-bottom: 80px;
  }

  .page-about__numbers-panel {
    padding: 52px 48px 44px;
  }

  .page-about__numbers-title {
    margin-bottom: 36px;
  }

  .page-about__metric {
    padding: 22px 20px;
  }

  .page-about__metric-value {
    font-size: 40px;
  }

  .page-about__history {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .page-about__history-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 48px;
    align-items: start;
  }

  .page-about__timeline {
    margin-top: 32px;
    padding-left: 40px;
  }

  .page-about__timeline::before {
    left: 21px;
  }

  .page-about__timeline-dot {
    left: 15px;
  }

  .page-about__timeline-item {
    padding-left: 22px;
  }

  .page-about__history-media {
    margin: 32px 0 0;
    position: sticky;
    top: calc(var(--tbo-header-h) + 24px);
  }

  .page-about__cert {
    padding-top: 88px;
    padding-bottom: 96px;
  }

  .page-about__cert-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 4fr);
    gap: 44px;
  }

  .page-about__cert-media img {
    max-width: 260px;
  }

  .page-about__capability {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .page-about__capability-item {
    padding: 30px 28px 32px;
  }

  .page-about__contact-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 40px 48px;
  }

  .page-about__contact-main {
    max-width: 48em;
  }

  .page-about__contact-actions {
    flex-shrink: 0;
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about__index-item,
  .page-about__metric,
  .page-about__timeline-card,
  .page-about__capability-item,
  .page-about__capability-item::after,
  .page-about__intro-media {
    transition: none;
  }

  .page-about__intro-media,
  .page-about__capability-item,
  .page-about__metric,
  .page-about__timeline-card {
    transform: none;
  }
}