.page-about {
  --about-grid-line: rgba(10, 31, 68, 0.05);
  --about-text-soft: #5B6B7C;
  background:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  background-color: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about .container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-pad);
}

.page-about .breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.25rem var(--container-pad) 0;
  font-size: 0.875rem;
  color: var(--color-gray);
}

.page-about .breadcrumb a {
  color: var(--color-gray);
  text-decoration: none;
  transition: color var(--speed) ease;
}

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

.page-about .breadcrumb__sep {
  margin: 0 0.5rem;
  color: var(--color-border);
}

.page-about .chapter-no {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 8rem);
  line-height: 0.8;
  font-weight: 700;
  color: var(--color-navy);
  opacity: 0.08;
  letter-spacing: -0.02em;
  pointer-events: none;
}

.page-about .eyebrow {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 1rem;
}

.page-about .section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  color: var(--color-navy);
}

/* ===== Hero ===== */
.page-about .about-hero {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-bottom: 4px solid var(--color-green);
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-block: 3rem 4rem;
  align-items: center;
}

.page-about .about-hero__content .chapter-no {
  color: var(--color-white);
  opacity: 0.08;
}

.page-about .about-hero__content .eyebrow {
  color: var(--color-green);
}

.page-about .about-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  line-height: 1.05;
  margin: 0 0 1.5rem;
  color: var(--color-white);
}

.page-about .about-hero__lead {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  max-width: 42rem;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.page-about .about-hero__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(57, 255, 20, 0.2);
}

.page-about .about-hero__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(10, 31, 68, 0.55) 100%);
  pointer-events: none;
}

.page-about .about-hero__media img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  display: block;
}

/* ===== Milestones ===== */
.page-about .about-milestones {
  padding: 4.5rem 0 5rem;
  background-color: var(--color-white);
}

.page-about .about-section-head {
  max-width: 680px;
  margin-bottom: 3rem;
}

.page-about .about-section-head .section-title {
  margin-bottom: 0.75rem;
}

.page-about .about-section-head > p {
  color: var(--color-gray);
  line-height: 1.7;
}

.page-about .about-timeline {
  position: relative;
  padding-left: 1.75rem;
  border-left: 2px dashed var(--color-border);
}

.page-about .milestone__item {
  position: relative;
  padding: 0 0 2rem 0;
}

.page-about .milestone__item::before {
  content: '';
  position: absolute;
  left: -1.8125rem;
  top: 0.25rem;
  width: 0.875rem;
  height: 0.875rem;
  background: var(--color-green);
  border: 3px solid var(--color-white);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--color-green);
}

.page-about .milestone__year {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.page-about .milestone__content h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-navy);
  margin: 0 0 0.5rem;
}

.page-about .milestone__content p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray);
  max-width: 38rem;
}

.page-about .milestone__content .btn {
  margin-top: 0.875rem;
}

.btn--sm {
  padding: 0.45rem 1rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

@media (min-width: 768px) {
  .page-about .milestone__item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 1.5rem;
  }

  .page-about .milestone__year {
    font-size: 3rem;
    text-align: right;
    padding-top: 0.125rem;
  }

  .page-about .milestone__content {
    padding-left: 1.5rem;
  }
}

/* ===== Data ===== */
.page-about .about-data {
  padding: 5rem 0;
  background:
    linear-gradient(135deg, rgba(10, 31, 68, 0.98) 0%, rgba(11, 42, 91, 0.98) 100%);
  color: var(--color-white);
}

.page-about .about-data__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: end;
}

.page-about .about-data__content .chapter-no {
  color: var(--color-white);
  opacity: 0.12;
}

.page-about .about-data__content .eyebrow {
  color: var(--color-green);
}

.page-about .about-data__content .section-title {
  color: var(--color-white);
}

.page-about .about-data__content p {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.8;
}

.page-about .about-data__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-about .data-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(57, 255, 20, 0.18);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  backdrop-filter: blur(4px);
  transition: background var(--speed) ease, border-color var(--speed) ease;
}

.page-about .data-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(57, 255, 20, 0.4);
}

.page-about .data-card__value {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-green);
  display: block;
  margin-bottom: 0.5rem;
}

.page-about .data-card__label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  display: block;
  margin-bottom: 0.5rem;
}

.page-about .data-card__note {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  display: block;
}

.page-about .about-data__media {
  margin-top: 3rem;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.page-about .about-data__media img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  display: block;
}

@media (min-width: 768px) {
  .page-about .about-data__stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-about .about-data__grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
  }
}

/* ===== Version ===== */
.page-about .about-version {
  padding: 5rem 0;
  background-color: var(--color-surface);
}

.page-about .about-version__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.page-about .about-version__media {
  order: 1;
  max-width: 320px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 32px rgba(10, 31, 68, 0.18);
  border: 8px solid var(--color-white);
}

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

.page-about .about-version__content {
  order: 2;
}

.page-about .about-version__content .section-title {
  margin-bottom: 1rem;
}

.page-about .about-version__content > p {
  color: var(--color-gray);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.page-about .version-panels {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-about .version-panel {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: border-color var(--speed) ease;
}

.page-about .version-panel[open] {
  border-color: var(--color-green);
}

.page-about .version-panel summary {
  font-size: 1.0625rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--color-navy);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.page-about .version-panel summary::after {
  content: '+';
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-orange);
  transform: rotate(0deg);
  transition: transform var(--speed) ease;
}

.page-about .version-panel[open] summary::after {
  transform: rotate(45deg);
}

.page-about .version-panel summary:hover {
  color: var(--color-navy);
}

.page-about .version-panel p {
  margin: 1rem 0 0;
  color: var(--color-gray);
  line-height: 1.7;
  font-size: 0.9375rem;
}

.page-about .about-version__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (min-width: 768px) {
  .page-about .about-version__media {
    max-width: 280px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-version__inner {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 5rem;
  }

  .page-about .about-version__media {
    order: 1;
  }

  .page-about .about-version__content {
    order: 2;
  }
}

/* ===== Team ===== */
.page-about .about-team {
  padding: 5rem 0;
  background-color: var(--color-white);
}

.page-about .about-team__inner {
  position: relative;
}

.page-about .about-team__inner .chapter-no {
  position: absolute;
  top: -1rem;
  right: 0;
}

.page-about .about-team__content {
  margin-bottom: 2.5rem;
}

.page-about .about-team__content .section-title {
  margin-bottom: 0;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.page-about .team-card {
  background-color: var(--color-surface);
  border-left: 4px solid var(--color-orange);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.75rem 1.5rem;
}

.page-about .team-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-navy);
  margin: 0 0 0.75rem;
}

.page-about .team-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray);
  margin: 0;
}

.page-about .about-team__footer {
  text-align: center;
}

.page-about .about-team__footer .btn {
  min-width: 200px;
}

@media (min-width: 768px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== Reveal animations ===== */
.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

.page-about [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.page-about .about-hero__content[data-reveal] {
  transition-delay: 80ms;
}

.page-about .about-hero__media[data-reveal] {
  transition-delay: 160ms;
}

.page-about .about-data__stats[data-reveal] {
  transition-delay: 120ms;
}

.page-about .about-version__media[data-reveal] {
  transition-delay: 80ms;
}

.page-about .about-version__content[data-reveal] {
  transition-delay: 160ms;
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: opacity 0.3s ease;
  }

  .page-about .about-hero__media::after {
    display: none;
  }
}

.page-about {
  --reveal-delay: 0.3s;
}