.page-about {
  --about-hero-lines: rgba(255, 255, 255, 0.05);
  --about-stat-bg: rgba(10, 26, 47, 0.92);
  --about-card-stroke: rgba(255, 255, 255, 0.12);
  --about-chip-bg: rgba(245, 184, 65, 0.16);
  --about-commit-soft: rgba(255, 107, 53, 0.1);
  background: #ffffff;
  overflow-x: hidden;
}

.page-about .about-hero {
  background: var(--navy-900);
  color: #ffffff;
  padding: 52px 0 0;
  position: relative;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--about-hero-lines) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-hero-lines) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--orange-500) 0%, var(--gold-400) 55%, transparent 100%);
  z-index: 2;
}

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

.page-about .about-hero .breadcrumb {
  margin-bottom: 46px;
  position: relative;
  z-index: 2;
}

.page-about .about-hero .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero .breadcrumb-item {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
}

.page-about .about-hero .breadcrumb-link {
  color: rgba(255, 255, 255, 0.68);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-about .about-hero .breadcrumb-link:hover {
  color: var(--orange-400);
}

.page-about .about-hero .breadcrumb-item + .breadcrumb-item::before {
  content: "·";
  color: rgba(255, 255, 255, 0.4);
  margin-right: 6px;
}

.page-about .about-hero .breadcrumb-item [aria-current="page"] {
  color: rgba(255, 255, 255, 0.9);
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  position: relative;
  z-index: 1;
  align-items: center;
}

.page-about .about-hero-copy {
  max-width: 640px;
}

.page-about .about-hero-copy .kicker {
  color: var(--orange-400);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.page-about .about-hero-copy h1 {
  font-family: var(--title-font);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: #ffffff;
}

.page-about .about-hero-copy h1 br {
  display: none;
}

.page-about .about-hero-copy > p:not(.kicker) {
  font-size: 1.02rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
  max-width: 52ch;
  margin: 0;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.page-about .about-hero-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.93rem;
  text-decoration: none;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .about-hero-actions .btn-primary {
  background: var(--orange-500);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
}

.page-about .about-hero-actions .btn-primary:hover {
  background: var(--orange-400);
  transform: translateY(-2px);
}

.page-about .about-hero-actions .btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #ffffff;
}

.page-about .about-hero-actions .btn-outline:hover {
  border-color: var(--orange-400);
  color: var(--orange-400);
  transform: translateY(-2px);
}

.page-about .about-hero-figure {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
  background: var(--navy-800);
}

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

.page-about .about-stat-strip {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.14);
  margin-top: 52px;
  border-radius: 14px 14px 0 0;
  overflow: hidden;
}

.page-about .about-stat-strip .stat-item {
  background: var(--about-stat-bg);
  padding: 22px 12px;
  text-align: center;
}

.page-about .about-stat-strip .stat-value {
  display: block;
  font-family: var(--title-font);
  font-size: 1.35rem;
  color: var(--orange-400);
  line-height: 1.2;
  white-space: nowrap;
}

.page-about .about-stat-strip .stat-label {
  display: block;
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 5px;
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.page-about .about-section {
  padding: 72px 0;
  position: relative;
}

.page-about .about-identity {
  background: #ffffff;
}

.page-about .about-section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-bottom: 44px;
}

.page-about .about-section-index {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.page-about .about-section-no {
  font-family: var(--title-font);
  font-size: 4.5rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--navy-900);
  letter-spacing: -0.05em;
  user-select: none;
}

.page-about .about-section-tag {
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-left: 2px solid var(--orange-500);
  padding-left: 10px;
  line-height: 1.6;
  margin-top: 2px;
}

.page-about .about-section-body .kicker {
  color: var(--orange-500);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

.page-about .about-section-body h2 {
  font-family: var(--title-font);
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  line-height: 1.2;
  margin: 0 0 18px;
  color: var(--text-ink);
  letter-spacing: -0.01em;
}

.page-about .about-section-body p {
  font-size: 0.96rem;
  line-height: 1.72;
  color: var(--text-muted);
  max-width: 62ch;
  margin: 0 0 14px;
}

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

.page-about .about-quote {
  border-left: 3px solid var(--gold-400);
  padding: 14px 20px;
  margin: 28px 0 0;
  font-family: var(--title-font);
  font-size: 1.04rem;
  line-height: 1.55;
  color: var(--navy-900);
  background: linear-gradient(90deg, rgba(245, 184, 65, 0.12), transparent);
  border-radius: 0 8px 8px 0;
}

.page-about .about-milestones {
  background: var(--slate-100);
  border-top: 1px solid var(--slate-200);
}

.page-about .about-milestone-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

.page-about .about-timeline {
  position: relative;
  margin-left: 2px;
}

.page-about .timeline-item {
  position: relative;
  padding: 0 0 30px 36px;
  border-left: 2px solid var(--slate-200);
  margin-left: 6px;
}

.page-about .timeline-item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-about .timeline-dot {
  position: absolute;
  left: -8px;
  top: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange-500);
  border: 3px solid var(--slate-100);
  box-shadow: 0 0 0 2px var(--orange-500);
  box-sizing: content-box;
}

.page-about .timeline-item:last-child .timeline-dot {
  background: var(--gold-400);
  box-shadow: 0 0 0 2px var(--gold-400);
}

.page-about .timeline-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  background: none;
  border: none;
  padding: 2px 0;
  cursor: pointer;
  text-align: left;
  width: 100%;
  font-family: var(--body-font);
}

.page-about .timeline-phase {
  font-family: var(--title-font);
  font-size: 1.08rem;
  line-height: 1.3;
  color: var(--navy-900);
}

.page-about .timeline-version {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--orange-500);
  background: rgba(255, 107, 53, 0.12);
  padding: 4px 10px;
  border-radius: 30px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-about .timeline-arrow {
  margin-left: auto;
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.page-about .timeline-arrow::before,
.page-about .timeline-arrow::after {
  content: "";
  position: absolute;
  background: var(--navy-900);
  border-radius: 2px;
  transition: transform 0.25s var(--ease);
}

.page-about .timeline-arrow::before {
  top: 9px;
  left: 4px;
  width: 12px;
  height: 2px;
}

.page-about .timeline-arrow::after {
  top: 4px;
  left: 9px;
  width: 2px;
  height: 12px;
}

.page-about .timeline-item[data-open="true"] .timeline-arrow::after {
  transform: rotate(90deg);
  opacity: 0;
}

.page-about .timeline-detail {
  margin-top: 12px;
  padding: 14px 16px;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(10, 26, 47, 0.06);
  border-left: 2px solid var(--orange-500);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.page-about .timeline-detail p {
  margin: 0;
}

.page-about .about-chart-figure {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: var(--shadow);
  border: 1px solid var(--slate-200);
  align-self: start;
}

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

.page-about .about-chart-figure figcaption {
  padding: 14px 18px;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--slate-200);
  background: linear-gradient(90deg, rgba(255, 107, 53, 0.06), transparent);
  line-height: 1.5;
}

.page-about .about-team {
  background: #ffffff;
}

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 40px;
}

.page-about .team-card {
  background: var(--slate-100);
  border-radius: 14px;
  padding: 26px 24px;
  border: 1px solid var(--slate-200);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}

.page-about .team-card::after {
  content: "";
  position: absolute;
  right: -22px;
  top: -22px;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: rgba(255, 107, 53, 0.08);
  pointer-events: none;
}

.page-about .team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.page-about .team-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--navy-900);
  color: var(--orange-400);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}

.page-about .team-icon svg {
  width: 34px;
  height: 34px;
}

.page-about .team-card h3 {
  font-family: var(--title-font);
  font-size: 1.02rem;
  color: var(--navy-900);
  margin: 0 0 10px;
  position: relative;
  z-index: 1;
}

.page-about .team-card p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0;
  position: relative;
  z-index: 1;
}

.page-about .about-team-panel {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  background: var(--navy-900);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.page-about .about-team-panel figcaption {
  padding: 14px 18px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.72);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  line-height: 1.5;
}

.page-about .about-commit {
  background: var(--navy-900);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.page-about .about-commit::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -100px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: rgba(255, 107, 53, 0.12);
  pointer-events: none;
}

.page-about .about-commit::after {
  content: "";
  position: absolute;
  bottom: -90px;
  left: -70px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background: rgba(245, 184, 65, 0.08);
  pointer-events: none;
}

.page-about .about-commit .container {
  position: relative;
  z-index: 1;
}

.page-about .about-commit .about-section-no {
  -webkit-text-stroke-color: rgba(255, 255, 255, 0.65);
}

.page-about .about-commit .about-section-tag {
  color: rgba(255, 255, 255, 0.55);
  border-left-color: var(--gold-400);
}

.page-about .about-commit .kicker {
  color: var(--orange-400);
}

.page-about .about-commit h2 {
  color: #ffffff;
}

.page-about .about-commit .about-section-body p {
  color: rgba(255, 255, 255, 0.7);
}

.page-about .about-commit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 44px;
  margin-bottom: 48px;
}

.page-about .commit-block {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--navy-800);
  border-radius: 12px;
  padding: 22px 18px;
  border: 1px solid var(--about-card-stroke);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-about .commit-block:hover {
  border-color: rgba(245, 184, 65, 0.5);
  background: var(--navy-700);
}

.page-about .commit-key {
  flex-shrink: 0;
  background: var(--about-chip-bg);
  border: 1px solid rgba(245, 184, 65, 0.45);
  color: var(--gold-400);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 5px 10px;
  border-radius: 30px;
  white-space: nowrap;
  line-height: 1.4;
}

.page-about .commit-text h3 {
  font-family: var(--title-font);
  font-size: 0.98rem;
  color: #ffffff;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.page-about .commit-text p {
  font-size: 0.87rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

.page-about .about-contact-strip {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
  background: linear-gradient(90deg, rgba(255, 107, 53, 0.18), rgba(10, 26, 47, 0.3));
  border: 1px solid rgba(255, 107, 53, 0.35);
  border-radius: 14px;
  padding: 28px 24px;
  margin-top: 8px;
}

.page-about .about-contact-strip p {
  font-family: var(--title-font);
  font-size: 1.12rem;
  line-height: 1.4;
  color: #ffffff;
  margin: 0;
}

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

.page-about .about-contact-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .about-contact-actions .btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #ffffff;
}

.page-about .about-contact-actions .btn-outline:hover {
  border-color: var(--orange-400);
  color: var(--orange-400);
  transform: translateY(-2px);
}

.page-about .about-contact-actions .btn-primary {
  background: var(--orange-500);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(255, 107, 53, 0.35);
}

.page-about .about-contact-actions .btn-primary:hover {
  background: var(--orange-400);
  transform: translateY(-2px);
}

.page-about [data-reveal] {
  will-change: opacity, transform;
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 60px 0 0;
  }

  .page-about .about-stat-strip {
    grid-template-columns: repeat(4, 1fr);
    border-radius: 16px 16px 0 0;
  }

  .page-about .about-stat-strip .stat-item {
    padding: 26px 14px;
  }

  .page-about .about-stat-strip .stat-value {
    font-size: 1.6rem;
  }

  .page-about .about-stat-strip .stat-label {
    font-size: 0.8rem;
  }

  .page-about .about-section {
    padding: 88px 0;
  }

  .page-about .about-section-grid {
    grid-template-columns: 240px 1fr;
    gap: 36px;
    margin-bottom: 56px;
  }

  .page-about .about-section-no {
    font-size: 5.5rem;
  }

  .page-about .about-section-tag {
    font-size: 0.78rem;
  }

  .page-about .about-team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

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

  .page-about .about-contact-strip {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 30px 32px;
  }

  .page-about .about-contact-strip p {
    font-size: 1.2rem;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }

  .page-about .about-hero-copy h1 br {
    display: block;
  }

  .page-about .about-milestone-layout {
    grid-template-columns: 1.25fr 0.75fr;
    gap: 56px;
  }

  .page-about .about-section {
    padding: 104px 0;
  }

  .page-about .about-section-grid {
    grid-template-columns: 300px 1fr;
    gap: 48px;
  }

  .page-about .about-section-no {
    font-size: 6.5rem;
  }

  .page-about .about-section-body p {
    font-size: 1rem;
  }

  .page-about .timeline-content {
    max-width: 560px;
  }
}