.page-about {
  --about-paper-grain:
    radial-gradient(ellipse at 12% 18%, rgba(11, 29, 58, 0.03) 0%, transparent 46%),
    radial-gradient(ellipse at 88% 76%, rgba(243, 156, 18, 0.04) 0%, transparent 42%);
  --about-lines:
    linear-gradient(rgba(11, 29, 58, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 29, 58, 0.022) 1px, transparent 1px);
  --about-muted-line: rgba(11, 29, 58, 0.12);
  --about-white-soft: rgba(255, 255, 255, 0.72);
}

/* ============ Hero ============ */
.page-about .about-hero {
  position: relative;
  z-index: 0;
  background:
    radial-gradient(ellipse at 88% 10%, rgba(0, 229, 255, 0.13) 0%, transparent 44%),
    radial-gradient(ellipse at 8% 92%, rgba(243, 156, 18, 0.17) 0%, transparent 52%),
    linear-gradient(146deg, var(--color-navy) 0%, var(--color-navy-deep) 100%);
  color: var(--color-surface);
  padding: calc(var(--container-pad) + 24px) 0 40px;
  border-bottom: 3px solid var(--color-orange);
  overflow: hidden;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -70px;
  right: -70px;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(0, 229, 255, 0.18);
  border-radius: 50%;
  box-shadow:
    0 0 0 36px rgba(0, 229, 255, 0.04),
    0 0 0 72px rgba(0, 229, 255, 0.025);
  pointer-events: none;
}
.page-about .about-hero .breadcrumb__link {
  color: var(--about-white-soft);
}
.page-about .about-hero .breadcrumb__current {
  color: var(--color-cyan);
}
.page-about .about-hero__grid {
  display: grid;
  gap: 32px 44px;
  margin-top: 36px;
}
.page-about .about-hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.page-about .about-hero .section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-orange-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border-left: 3px solid var(--color-orange);
  padding-left: 12px;
  margin-bottom: 16px;
}
.page-about .about-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 6.2vw, 66px);
  line-height: 1.04;
  color: #ffffff;
  letter-spacing: 0.01em;
  word-break: break-word;
}
.page-about .about-hero__title-sub {
  display: block;
  margin-top: 10px;
  font-family: var(--font-body);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(17px, 2.4vw, 27px);
  line-height: 1.4;
  color: var(--color-orange);
}
.page-about .about-hero__lead {
  max-width: 640px;
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.87);
  font-size: 15px;
  line-height: 1.78;
  letter-spacing: 0.01em;
}
.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 18px;
}
.page-about .about-hero__actions .btn--outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
}
.page-about .about-hero__actions .btn--outline:hover {
  border-color: var(--color-orange);
  color: var(--color-orange-soft);
}
.page-about .about-hero__figure {
  position: relative;
  margin: 0;
  min-width: 0;
}
.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 2px solid rgba(0, 229, 255, 0.4);
  border-radius: var(--radius-md);
  box-shadow: 16px 16px 0 rgba(0, 0, 0, 0.22);
}
.page-about .about-hero__figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.56);
  border-left: 2px solid var(--color-orange);
  padding-left: 10px;
}
.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 16px;
  margin: 40px 0 0;
  padding: 26px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.page-about .about-hero__stat {
  min-width: 0;
  padding: 4px 0;
}
.page-about .about-hero__stat .stat-label {
  display: block;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
  line-height: 1.5;
}
.page-about .about-hero__stat .stat-value {
  font-family: var(--font-display);
  font-size: 27px;
  font-style: italic;
  font-weight: 700;
  line-height: 1.1;
  color: #ffffff;
}

/* ============ Index Strip ============ */
.page-about .about-index-wrap {
  background: var(--color-bg);
  border-bottom: 1px solid var(--about-muted-line);
}
.page-about .about-index {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 18px;
  padding: 14px 0;
  font-size: 13px;
}
.page-about .about-index__label {
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.14em;
  font-size: 12px;
  text-transform: uppercase;
  border-right: 1px solid var(--about-muted-line);
  padding-right: 14px;
}
.page-about .about-index a {
  color: var(--color-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--speed-fast) var(--ease-out);
}
.page-about .about-index a:hover,
.page-about .about-index a:focus-visible {
  color: var(--color-orange);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ============ Section Base ============ */
.page-about .page-about__section {
  padding: 60px 0;
  position: relative;
}
.page-about .page-about__section .content-grid {
  align-items: start;
  gap: 32px;
}
.page-about .page-about__section .wide-area {
  min-width: 0;
}
.page-about .page-about__section .narrow-rail {
  padding-bottom: 8px;
}

/* ============ Brand Story ============ */
.page-about .about-story {
  background: var(--about-paper-grain), var(--color-bg);
  border-bottom: 1px solid var(--about-muted-line);
}
.page-about .about-story::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--about-lines);
  background-size: 28px 28px, 28px 28px;
  pointer-events: none;
}
.page-about .about-story .container {
  position: relative;
}
.page-about .about-story .study-block {
  margin-bottom: 28px;
}
.page-about .about-story .study-block p {
  margin: 0 0 14px;
}
.page-about .about-story .study-block p:last-child {
  margin-bottom: 0;
}
.page-about .about-story__motto {
  padding: 20px 24px;
  border-left: 4px solid var(--color-cyan);
  background: rgba(0, 229, 255, 0.06);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.page-about .about-story__motto .stat-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 6px;
}
.page-about .about-story__quote {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-style: italic;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.3;
}

/* ============ Data System ============ */
.page-about .about-data {
  background: var(--color-surface);
  border-bottom: 1px solid var(--about-muted-line);
}
.page-about .about-data .diagonal-band {
  margin-bottom: 40px;
}
.page-about .about-data__intro {
  margin: 0 0 26px;
  line-height: 1.75;
  color: var(--color-ink);
  max-width: 72ch;
}
.page-about .about-data__flow {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-about .about-data__flow-item {
  position: relative;
  padding: 18px 18px 18px 20px;
  border: 1px solid rgba(11, 29, 58, 0.1);
  border-left: 3px solid var(--color-orange);
  background: var(--color-surface);
  box-shadow: 0 2px 8px rgba(7, 18, 40, 0.05);
  transition: transform var(--speed-base) var(--ease-out), box-shadow var(--speed-base) var(--ease-out);
}
.page-about .about-data__flow-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(7, 18, 40, 0.1);
}
.page-about .about-data__flow-num {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-cyan);
  margin-bottom: 6px;
}
.page-about .about-data__flow-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--color-navy);
}
.page-about .about-data__flow-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
}
.page-about .about-data__figure {
  margin: 0 0 28px;
}
.page-about .about-data__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 29, 58, 0.12);
  box-shadow: var(--shadow-card);
}
.page-about .about-data__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-muted);
  border-left: 2px solid var(--color-cyan);
  padding-left: 10px;
}
.page-about .about-data__terms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-bottom: 28px;
}
.page-about .about-data-card {
  padding: 20px;
  min-height: 132px;
}
.page-about .about-data-card__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-navy);
}
.page-about .about-data-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--color-muted);
}
.page-about .about-data .further-reading {
  margin-top: 30px;
}
.page-about .about-data .further-reading a {
  display: block;
  padding: 6px 0;
  color: var(--color-navy);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px dashed var(--about-muted-line);
  transition: color var(--speed-fast) var(--ease-out), padding-left var(--speed-fast) var(--ease-out);
}
.page-about .about-data .further-reading a:hover,
.page-about .about-data .further-reading a:focus-visible {
  color: var(--color-orange);
  padding-left: 8px;
}

/* ============ Team ============ */
.page-about .about-team {
  background: var(--about-paper-grain), var(--color-bg);
  border-bottom: 1px solid var(--about-muted-line);
}
.page-about .about-team::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--about-lines);
  background-size: 28px 28px, 28px 28px;
  pointer-events: none;
}
.page-about .about-team .container {
  position: relative;
}
.page-about .about-team__layout {
  display: grid;
  gap: 24px 36px;
}
.page-about .about-team__figure {
  margin: 0;
}
.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.page-about .about-team__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-muted);
  border-left: 2px solid var(--color-orange);
  padding-left: 10px;
}
.page-about .about-team__content p {
  margin: 0 0 18px;
  line-height: 1.75;
  color: var(--color-ink);
}
.page-about .about-team__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}
.page-about .about-team__list li {
  position: relative;
  padding: 9px 0 9px 24px;
  font-size: 14px;
  line-height: 1.62;
  color: var(--color-muted);
  border-bottom: 1px dashed rgba(11, 29, 58, 0.1);
}
.page-about .about-team__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--color-orange);
  border-radius: 50%;
  background: var(--color-surface);
}

/* ============ Milestones & Timeline ============ */
.page-about .about-milestones {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 18%, var(--color-surface) 100%);
}
.page-about .about-milestones__head {
  margin-bottom: 40px;
}
.page-about .about-milestones__head .tag {
  margin-bottom: 14px;
}
.page-about .about-milestones__head .section-title {
  margin-bottom: 10px;
}
.page-about .about-milestones__intro {
  max-width: 56ch;
  margin: 0;
  color: var(--color-muted);
  line-height: 1.7;
}
.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-orange) 0%, var(--color-cyan) 100%);
  opacity: 0.55;
}
.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 28px 42px;
}
.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}
.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 26px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-navy);
  border: 3px solid var(--color-orange);
  box-shadow: 0 0 0 5px rgba(243, 156, 18, 0.18);
  box-sizing: border-box;
}
.page-about .about-timeline__card {
  padding: 20px 22px;
  border-top: 3px solid var(--color-navy);
}
.page-about .about-timeline__year {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-orange);
  background: rgba(243, 156, 18, 0.1);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}
.page-about .about-timeline__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-navy);
}
.page-about .about-timeline__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-muted);
}

/* ============ CTA ============ */
.page-about .about-cta {
  padding: 70px 0 80px;
  background:
    radial-gradient(ellipse at 85% 20%, rgba(0, 229, 255, 0.12) 0%, transparent 42%),
    radial-gradient(ellipse at 12% 82%, rgba(243, 156, 18, 0.15) 0%, transparent 48%),
    linear-gradient(152deg, var(--color-navy) 0%, var(--color-navy-deep) 100%);
  color: #ffffff;
  border-top: 3px solid var(--color-orange);
}
.page-about .about-cta__inner {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}
.page-about .about-cta .section-label {
  display: inline-block;
  color: var(--color-orange-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border-left: 3px solid var(--color-orange);
  padding-left: 12px;
  margin-bottom: 16px;
}
.page-about .about-cta__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 42px);
  font-style: italic;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.15;
}
.page-about .about-cta__desc {
  margin: 0 auto 28px;
  max-width: 58ch;
  color: rgba(255, 255, 255, 0.8);
  font-size: 15px;
  line-height: 1.72;
}
.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  justify-content: center;
}
.page-about .about-cta__actions .btn--outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
}
.page-about .about-cta__actions .btn--outline:hover,
.page-about .about-cta__actions .btn--outline:focus-visible {
  border-color: var(--color-orange);
  color: var(--color-orange-soft);
}
.page-about .about-cta__actions .btn--light {
  color: var(--color-navy);
}

/* ============ Data-show reveal effect ============ */
.page-about [data-show] {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 320ms var(--ease-out), transform 320ms var(--ease-out);
}
@media (prefers-reduced-motion: no-preference) {
  .page-about [data-show] {
    opacity: 0;
    transform: translateY(22px);
  }
  .page-about [data-show][data-show-visible] {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============ Tablet >= 640px ============ */
@media (min-width: 640px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  .page-about .about-hero__stat .stat-value {
    font-size: 30px;
  }
  .page-about .about-data__flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .page-about .about-data-card {
    min-height: 128px;
  }
  .page-about .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .about-team__layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .page-about .about-timeline__item {
    padding-left: 52px;
  }
  .page-about .about-timeline::before {
    left: 12px;
  }
  .page-about .about-timeline__item::before {
    left: 5px;
  }
}

/* ============ Desktop >= 960px ============ */
@media (min-width: 960px) {
  .page-about .about-hero {
    padding-top: calc(var(--container-pad) + 40px);
  }
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }
  .page-about .about-hero__lead {
    font-size: 16px;
  }
  .page-about .about-hero__figure img {
    max-height: 460px;
  }
  .page-about .about-hero__stat .stat-value {
    font-size: 33px;
  }
  .page-about .page-about__section {
    padding: 88px 0;
  }
  .page-about .page-about__section .content-grid {
    grid-template-columns: minmax(200px, 240px) minmax(0, 1fr);
    gap: 48px;
  }
  .page-about .about-story .study-block p {
    font-size: 16px;
    line-height: 1.78;
  }
  .page-about .about-data__flow {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
  .page-about .about-data__flow-item {
    padding: 22px 18px 20px;
  }
  .page-about .about-data-card {
    min-height: 150px;
    padding: 22px;
  }
  .page-about .about-timeline {
    padding-top: 6px;
  }
  .page-about .about-timeline::before {
    left: 50%;
    transform: translateX(-1px);
  }
  .page-about .about-timeline__item {
    width: 50%;
    padding: 0 44px 36px 0;
  }
  .page-about .about-timeline__item:nth-child(even) {
    margin-left: 50%;
    padding: 0 0 36px 44px;
  }
  .page-about .about-timeline__item::before {
    left: auto;
    right: -9px;
    top: 30px;
    width: 18px;
    height: 18px;
    border-width: 3px;
  }
  .page-about .about-timeline__item:nth-child(even)::before {
    left: -9px;
    right: auto;
  }
  .page-about .about-timeline__card {
    padding: 24px 26px;
    min-height: 142px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }
  .page-about .about-timeline__year {
    align-self: flex-start;
  }
  .page-about .about-cta {
    padding: 88px 0 96px;
  }
}