.page-about {
  --about-slant: 28px;
  color: var(--color-text);
  background: var(--color-bg);
  overflow: hidden;
}

.page-about__hero {
  position: relative;
  background: var(--color-navy);
  color: var(--color-white);
  padding: calc(var(--header-h) + 48px) 0 56px;
  overflow: hidden;
}
.page-about__hero::before {
  content: "TB / 01";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: clamp(120px, 22vw, 260px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.06em;
  color: rgba(100, 255, 218, 0.05);
  pointer-events: none;
  white-space: nowrap;
}
.page-about__hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
.page-about__hero-copy {
  max-width: 720px;
}
.page-about__hero-copy .breadcrumb {
  margin-bottom: 24px;
}
.page-about__hero-copy .breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
}
.page-about__hero-copy .breadcrumb a:hover {
  color: var(--color-orange);
}
.page-about__hero-copy .breadcrumb-current {
  color: var(--color-white);
}
.page-about__hero h1 {
  font-family: var(--font-headings);
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 14px 0 22px;
}
.page-about__hero-lead {
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 28px;
}
.page-about__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}
.page-about__hero-note {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-teal);
  letter-spacing: 0.02em;
}
.page-about__hero-media {
  margin: 0;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-about__hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-about__mission {
  background: var(--color-bg);
  padding: 72px 0;
}
.page-about__mission-copy {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding-left: 8px;
}
.page-about__mission-copy::before {
  content: "“";
  position: absolute;
  top: -36px;
  left: -6px;
  font-family: var(--font-headings);
  font-size: 96px;
  line-height: 1;
  color: var(--color-orange);
  opacity: 0.35;
  pointer-events: none;
}
.page-about__mission-copy h2 {
  font-family: var(--font-headings);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.25;
  font-weight: 800;
  margin: 0 0 18px;
}
.page-about__mission-lead {
  font-size: 19px;
  line-height: 1.6;
  color: var(--color-navy);
  font-weight: 600;
  margin: 0 0 18px;
}
.page-about__mission-copy p:last-child {
  color: var(--color-text-soft);
  line-height: 1.8;
  margin: 0;
}

.page-about__stats {
  background: var(--color-navy-light);
  padding: 40px 0;
}
.page-about__stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.page-about__stat {
  position: relative;
  padding: 26px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: transform var(--transition), background var(--transition);
}
.page-about__stat:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.09);
}
.page-about__stat .data-number {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-orange);
  margin-bottom: 10px;
}
.page-about__stat-label {
  display: block;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.75);
}

.page-about__capabilities {
  background: var(--color-bg);
  padding: 72px 0;
}
.page-about__capabilities-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}
.page-about__capabilities-copy {
  max-width: 720px;
}
.page-about__capabilities-copy h2 {
  font-family: var(--font-headings);
  font-size: clamp(26px, 3.6vw, 36px);
  line-height: 1.25;
  font-weight: 800;
  margin: 0 0 16px;
}
.page-about__capabilities-copy > p {
  color: var(--color-text-soft);
  line-height: 1.8;
  margin: 0 0 10px;
}
.page-about__capability-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}
.page-about__capability-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 14px;
  line-height: 1.7;
  color: var(--color-text);
}
.page-about__capability-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 14px;
  height: 3px;
  background: var(--color-orange);
  transform: skewX(-20deg);
}
.page-about__capability-list strong {
  color: var(--color-navy);
}
.page-about__capabilities-media {
  display: grid;
  gap: 18px;
}
.page-about__capabilities-media .img-container {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--color-navy-light);
}
.page-about__capabilities-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}
.page-about__capability-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 0;
}
.page-about__capability-meta-row {
  background: var(--color-white);
  border: 1px solid rgba(10, 25, 47, 0.08);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow-card);
}
.page-about__capability-meta-row dt {
  font-size: 12px;
  color: var(--color-muted);
  margin-bottom: 4px;
}
.page-about__capability-meta-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-navy);
}

.page-about__journey {
  position: relative;
  background: var(--color-navy);
  color: var(--color-white);
  padding: 80px 0;
  overflow: hidden;
}
.page-about__journey::after {
  content: "";
  position: absolute;
  left: -120px;
  bottom: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.18), transparent 70%);
  pointer-events: none;
}
.page-about__journey-head {
  max-width: 760px;
  margin-bottom: 44px;
}
.page-about__journey-head h2 {
  font-family: var(--font-headings);
  font-size: clamp(26px, 3.8vw, 38px);
  line-height: 1.25;
  font-weight: 800;
  margin: 14px 0 0;
}
.page-about__hero .section-label,
.page-about__journey .section-label {
  color: var(--color-white);
}
.page-about__timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  position: relative;
}
.page-about__timeline-art {
  display: none;
}
.page-about__timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.page-about__timeline-list::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-orange) 0%, var(--color-teal) 100%);
}
.page-about__timeline-item {
  position: relative;
  padding: 0 0 34px 52px;
  transition: transform var(--transition), background var(--transition);
}
.page-about__timeline-item:last-child {
  padding-bottom: 0;
}
.page-about__timeline-item:hover {
  transform: translateX(6px);
}
.page-about__timeline-item:hover .page-about__timeline-dot {
  background: var(--color-teal);
  box-shadow: 0 0 0 6px rgba(100, 255, 218, 0.18);
}
.page-about__timeline-dot {
  position: absolute;
  left: 9px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.18);
  transition: background var(--transition), box-shadow var(--transition);
}
.page-about__timeline-phase {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-teal);
  margin-bottom: 10px;
  padding: 4px 10px;
  border: 1px solid rgba(100, 255, 218, 0.28);
  border-radius: 999px;
  text-transform: uppercase;
}
.page-about__timeline-item h3 {
  font-family: var(--font-headings);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px;
}
.page-about__timeline-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
}
.page-about__journey-link {
  display: inline-block;
  margin-top: 32px;
  color: var(--color-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(100, 255, 218, 0.4);
  padding-bottom: 2px;
  transition: color var(--transition), border-color var(--transition);
}
.page-about__journey-link:hover {
  color: var(--color-orange);
  border-color: var(--color-orange);
}

.page-about__trust {
  background: var(--color-bg-blue);
  padding: 72px 0;
}
.page-about__trust-head {
  max-width: 680px;
  margin-bottom: 40px;
}
.page-about__trust-head h2 {
  font-family: var(--font-headings);
  font-size: clamp(26px, 3.6vw, 36px);
  line-height: 1.25;
  font-weight: 800;
  margin: 14px 0 12px;
}
.page-about__trust-head p {
  margin: 0;
  color: var(--color-text-soft);
  line-height: 1.7;
}
.page-about__trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-about__trust-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid rgba(10, 25, 47, 0.05);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-about__trust-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(10, 25, 47, 0.1);
}
.page-about__trust-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-orange-soft) 100%);
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.page-about__trust-card:hover::before {
  transform: scaleX(1);
}
.page-about__trust-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-orange);
  font-weight: 700;
  margin-bottom: 8px;
}
.page-about__trust-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--color-navy);
}
.page-about__trust-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-soft);
}

.page-about__cta {
  position: relative;
  background: var(--color-navy);
  color: var(--color-white);
  padding: 64px 0;
  overflow: hidden;
}
.page-about__cta::before {
  content: "TB / GO";
  position: absolute;
  right: 12px;
  bottom: -12px;
  font-family: var(--font-mono);
  font-size: clamp(90px, 18vw, 200px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
  color: rgba(255, 255, 255, 0.04);
  pointer-events: none;
  white-space: nowrap;
}
.page-about__cta-inner {
  position: relative;
}
.page-about__cta-copy {
  max-width: 680px;
}
.page-about__cta-copy h2 {
  font-family: var(--font-headings);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.25;
  font-weight: 800;
  margin: 0 0 16px;
}
.page-about__cta-copy p {
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
}
.page-about__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 640px) {
  .page-about__stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) {
  .page-about__hero {
    padding: calc(var(--header-h) + 64px) 0 72px;
  }
  .page-about__hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }
  .page-about__mission {
    padding: 88px 0;
  }
  .page-about__capabilities {
    padding: 88px 0;
  }
  .page-about__capabilities-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
  .page-about__capability-meta {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about__trust {
    padding: 88px 0;
  }
  .page-about__trust-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-about__journey {
    padding: 96px 0;
  }
  .page-about__cta {
    padding: 80px 0;
  }
}

@media (min-width: 1024px) {
  .page-about__hero {
    padding: 112px 0 96px;
  }
  .page-about__hero-copy {
    max-width: 680px;
  }
  .page-about__timeline {
    grid-template-columns: 380px 1fr;
    gap: 56px;
  }
  .page-about__timeline-art {
    display: block;
    position: sticky;
    top: 120px;
    align-self: start;
    margin: 0;
  }
  .page-about__timeline-art img {
    display: block;
    width: 100%;
    max-width: 380px;
    height: auto;
    object-fit: cover;
    aspect-ratio: 1 / 2;
    border-radius: 12px;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
  }
  .page-about__mission-copy {
    padding-left: 0;
  }
  .page-about__mission-copy::before {
    left: -10px;
  }
}