.page-about {
  --page-grid-line: rgba(42, 59, 76, 0.45);
  --page-blue-glow: rgba(0, 229, 255, 0.12);
  --page-green-glow: rgba(61, 255, 136, 0.1);
  --page-yellow-glow: rgba(255, 209, 102, 0.14);
  --page-timeline-dot: 14px;
  --page-card-radius: 18px;
  --page-mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;

  background: var(--primary-bg);
  color: var(--body-text);
  position: relative;
  overflow-x: hidden;
}

.page-about .breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 18px 20px 0;
  font-size: 13px;
  color: var(--muted-text);
  display: flex;
  gap: 10px;
  align-items: center;
}

.page-about .breadcrumb a {
  color: var(--accent-blue);
  text-decoration: none;
}

.page-about .breadcrumb a:hover {
  color: var(--highlight-yellow);
}

.page-about .breadcrumb-sep {
  color: var(--grid-line);
}

.page-about :where(.section-kicker) {
  font-family: var(--page-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent-green);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.page-about .section-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

/* ===== Hero ===== */
.page-about .about-hero {
  position: relative;
  padding: 40px 20px 48px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-about .about-hero__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--page-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--page-grid-line) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 32% 40%, rgba(0, 0, 0, 0.85), transparent 78%);
  opacity: 0.5;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  border-left: 2px solid var(--accent-blue);
  padding-left: 24px;
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.page-about .about-hero__coord {
  font-size: 12px;
  color: var(--muted-text);
  letter-spacing: 0.06em;
}

.page-about .about-hero__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(32px, 7vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  max-width: 880px;
  margin: 0 0 22px;
}

.page-about .about-hero__lead {
  font-size: clamp(16px, 2.2vw, 20px);
  line-height: 1.65;
  color: var(--body-text);
  max-width: 720px;
  margin: 0 0 16px;
}

.page-about .about-hero__desc {
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted-text);
  max-width: 680px;
  margin: 0 0 34px;
}

.page-about .about-hero__desc strong {
  color: var(--highlight-yellow);
  font-weight: 600;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 680px;
}

.page-about .about-hero__stats .data-stat {
  background: var(--card-bg);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-about .about-hero__stats .data-stat:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.page-about .about-hero__stats .stat-value {
  font-family: var(--page-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-green);
}

.page-about .about-hero__stats .stat-value--blue {
  color: var(--accent-blue);
}

.page-about .about-hero__stats .stat-value--yellow {
  color: var(--highlight-yellow);
}

.page-about .about-hero__stats .stat-label {
  font-size: 12px;
  color: var(--muted-text);
  letter-spacing: 0.03em;
}

/* ===== Mission ===== */
.page-about .about-mission {
  padding: 64px 20px 28px;
  max-width: 980px;
  margin: 0 auto;
}

.page-about .about-mission__content {
  display: grid;
  gap: 18px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--body-text);
  border-top: 1px solid var(--grid-line);
  padding-top: 24px;
}

.page-about .about-mission__content p {
  margin: 0;
  max-width: 860px;
}

/* ===== Timeline ===== */
.page-about .about-timeline {
  padding: 54px 20px 72px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-about .about-timeline__intro {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted-text);
  max-width: 640px;
  margin: 0 0 30px;
}

.page-about .about-timeline__hero {
  display: block;
  width: 100%;
  max-width: 1200px;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--grid-line);
  box-shadow: 0 0 36px var(--page-green-glow);
  margin: 0 0 52px;
}

.page-about .about-timeline__track {
  position: relative;
  display: grid;
  gap: 40px;
  padding-left: 22px;
}

.page-about .about-timeline__line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 5px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-green), var(--accent-blue), var(--grid-line));
  opacity: 0.8;
}

.page-about .about-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: start;
}

.page-about .about-timeline__axis {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 0.04em;
  padding-top: 18px;
  white-space: nowrap;
}

.page-about .about-timeline__dot {
  position: absolute;
  left: calc(5px - 6px);
  top: 24px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-bg);
  border: 3px solid var(--accent-green);
  box-shadow: 0 0 14px rgba(61, 255, 136, 0.5);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-about .about-timeline__item:hover .about-timeline__dot {
  transform: scale(1.25);
  box-shadow: 0 0 24px rgba(61, 255, 136, 0.8);
}

.page-about .about-timeline__card {
  background: var(--card-bg);
  border: 1px solid var(--grid-line);
  border-radius: var(--page-card-radius);
  padding: 18px 20px 20px;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-about .about-timeline__card:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 0 26px var(--page-blue-glow);
  transform: translateY(-3px);
}

.page-about .about-timeline__no {
  display: inline-block;
  font-size: 12px;
  color: var(--accent-green);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.page-about .about-timeline__card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--body-text);
}

.page-about .about-timeline__card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted-text);
  margin: 0;
}

/* ===== Data services ===== */
.page-about .about-data {
  padding: 60px 20px;
  background: linear-gradient(180deg, transparent, rgba(26, 27, 47, 0.55), transparent);
  border-top: 1px solid var(--grid-line);
  border-bottom: 1px solid var(--grid-line);
}

.page-about .about-data > :where(.section-kicker, .section-title, .about-data__lead) {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.page-about .about-data__lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted-text);
  max-width: 720px;
  margin-bottom: 32px;
}

.page-about .about-data__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.page-about .about-data__card {
  background: var(--card-bg);
  border: 1px solid var(--grid-line);
  border-radius: var(--page-card-radius);
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-about .about-data__card:hover {
  border-color: var(--accent-green);
  box-shadow: 0 0 28px var(--page-green-glow);
}

.page-about .about-data__index {
  font-size: 12px;
  color: var(--accent-blue);
  letter-spacing: 0.08em;
}

.page-about .about-data__card h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 10px 0 10px;
}

.page-about .about-data__body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted-text);
  margin: 0 0 14px;
}

.page-about .about-data__extra {
  font-size: 12px;
  color: var(--highlight-yellow);
  letter-spacing: 0.04em;
  border-top: 1px dashed var(--grid-line);
  padding-top: 12px;
  margin: 0;
}

.page-about .about-data__table {
  max-width: var(--container-max);
  margin: 36px auto 0;
  padding: 0 20px;
}

.page-about .about-data__table .data-table {
  min-width: 560px;
}

/* ===== Team ===== */
.page-about .about-team {
  padding: 60px 20px 48px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-about .about-team__lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted-text);
  max-width: 640px;
  margin-bottom: 32px;
}

.page-about .about-team__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about .about-team__roles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-team__role {
  background: var(--card-bg);
  border: 1px solid var(--grid-line);
  border-radius: var(--page-card-radius);
  padding: 18px 20px;
  display: grid;
  grid-template-columns: 52px 1fr;
  column-gap: 16px;
  align-items: start;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-about .about-team__role:hover {
  border-color: var(--accent-blue);
  transform: translateX(4px);
}

.page-about .about-team__count {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-green);
  padding-top: 2px;
}

.page-about .about-team__role h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
}

.page-about .about-team__role p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted-text);
  margin: 0;
}

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

.page-about .about-team__media img {
  display: block;
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--grid-line);
  box-shadow: 0 0 30px var(--page-blue-glow);
}

/* ===== Honors ===== */
.page-about .about-honors {
  padding: 60px 20px 56px;
  background: linear-gradient(180deg, transparent, rgba(26, 27, 47, 0.45), transparent);
  border-top: 1px solid var(--grid-line);
  border-bottom: 1px solid var(--grid-line);
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-about .about-honors__seal {
  display: block;
  width: 160px;
  max-width: 100%;
  height: auto;
  border-radius: 50%;
  border: 2px solid var(--accent-blue);
  box-shadow: 0 0 40px var(--page-yellow-glow);
  margin: 0 0 30px;
}

.page-about .about-honors__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-honors__item {
  background: var(--card-bg);
  border: 1px solid var(--grid-line);
  border-radius: var(--page-card-radius);
  padding: 20px 22px;
  display: grid;
  grid-template-columns: 72px 1fr;
  column-gap: 16px;
  align-items: baseline;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-about .about-honors__item:hover {
  border-color: var(--highlight-yellow);
  box-shadow: 0 0 22px var(--page-yellow-glow);
}

.page-about .about-honors__year {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-blue);
}

.page-about .about-honors__item h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 6px;
}

.page-about .about-honors__item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted-text);
  margin: 0;
  grid-column: 2;
}

/* ===== More links ===== */
.page-about .about-more {
  padding: 48px 20px 72px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-about .about-more__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}

.page-about .about-more .btn {
  text-decoration: none;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.page-about .about-more .btn-primary {
  background: var(--accent-green);
  color: #07100B;
}

.page-about .about-more .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(61, 255, 136, 0.3);
}

.page-about .about-more .btn-secondary {
  background: transparent;
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
}

.page-about .about-more .btn-secondary:hover {
  transform: translateY(-2px);
  border-color: var(--highlight-yellow);
  color: var(--highlight-yellow);
}

/* ===== Responsive ===== */
@media (min-width: 640px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

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

  .page-about .about-honors__item {
    grid-template-columns: 1fr;
    row-gap: 6px;
  }

  .page-about .about-honors__item p {
    grid-column: 1;
  }
}

@media (min-width: 900px) {
  .page-about .about-timeline__track {
    padding-left: 52px;
  }

  .page-about .about-timeline__line {
    left: 12px;
  }

  .page-about .about-timeline__dot {
    left: calc(12px - 6px);
  }

  .page-about .about-timeline__item {
    grid-template-columns: 100px 1fr;
    gap: 36px;
  }

  .page-about .about-timeline__axis {
    text-align: right;
  }

  .page-about .about-team__layout {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
  }

  .page-about .about-team__media img {
    max-height: 460px;
    object-fit: cover;
  }

  .page-about .about-honors__seal {
    width: 200px;
  }
}

@media (min-width: 1100px) {
  .page-about .about-data__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition: none !important;
    transform: none !important;
    box-shadow: none !important;
    animation: none !important;
  }
}