.page-about {
  --about-line: rgba(224, 225, 221, 0.08);
  --about-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
  --track-width: 50%;
  background-color: var(--c-bg);
  color: var(--c-gray-light);
}

.page-about .about-crumb-wrap {
  padding-top: 18px;
}

.page-about .about-hero {
  padding: 44px 0 32px;
  background-image:
    linear-gradient(var(--about-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-line) 1px, transparent 1px);
  background-size: 52px 52px;
  border-bottom: 1px solid var(--c-gray-dark);
}

.page-about .hero-layout {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about .hero-copy .page-title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  margin: 8px 0 16px;
  line-height: 0.95;
  color: var(--c-white);
  letter-spacing: 0.01em;
}

.page-about .hero-copy .page-intro {
  max-width: 56ch;
  margin: 0 0 28px;
  font-size: 1.02rem;
  line-height: 1.7;
}

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

.page-about .hero-figure {
  margin: 0;
  position: relative;
  padding: 12px;
  border: 1px solid var(--c-gray-dark);
  background: var(--c-surface);
  transform: rotate(1.2deg);
}

.page-about .hero-figure::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(57, 255, 20, 0.28);
  pointer-events: none;
}

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

.page-about .section-head {
  margin-bottom: 32px;
  position: relative;
  border-left: 3px solid var(--c-accent);
  padding-left: 18px;
}

.page-about .section-index {
  margin: 0;
  font-family: var(--font-display);
  font-size: 2.6rem;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px var(--c-gray-dark);
}

.page-about .section-head .page-kicker {
  margin: 8px 0 0;
  color: var(--c-accent);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-about .section-head h2 {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.05;
  color: var(--c-white);
  letter-spacing: 0.02em;
}

.page-about .section-note {
  margin: 10px 0 0;
  color: var(--c-gray-mid);
  line-height: 1.6;
}

.page-about .mission-grid {
  display: grid;
  gap: 36px;
}

.page-about .mission-copy {
  max-width: 60ch;
}

.page-about .mission-lead {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.4;
  margin: 0 0 16px;
}

.page-about .mission-copy p {
  line-height: 1.75;
  margin: 0 0 14px;
}

.page-about .mission-more {
  margin-top: 18px;
}

.page-about .mission-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-about .static-card {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-gray-dark);
  padding: 18px 16px 14px;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s var(--ease-out);
}

.page-about .static-card:nth-child(1) {
  transform: rotate(-1deg) translateY(2px);
}

.page-about .static-card:nth-child(2) {
  transform: rotate(1deg) translateY(-2px);
}

.page-about .static-card:nth-child(3) {
  transform: rotate(-0.6deg) translateY(4px);
}

.page-about .static-card:nth-child(4) {
  transform: rotate(0.8deg) translateY(6px);
}

.page-about .static-card:hover {
  border-color: var(--c-accent);
  box-shadow: var(--about-shadow);
  transform: translateY(-2px);
}

.page-about .stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--c-accent);
  line-height: 1;
}

.page-about .stat-label {
  display: block;
  margin-top: 6px;
  color: var(--c-gray-light);
  font-size: 0.92rem;
  font-weight: 600;
}

.page-about .stat-summary {
  display: block;
  margin-top: 4px;
  font-size: 0.82rem;
  color: var(--c-gray-mid);
  line-height: 1.4;
  transition: color 0.2s;
}

.page-about .static-card:hover .stat-summary {
  color: var(--c-accent);
}

.page-about .milestone-board {
  margin-top: 28px;
  background: var(--c-surface);
  border: 1px solid var(--c-gray-dark);
  padding: 22px 16px;
  position: relative;
}

.page-about .milestone-board::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 34px;
  height: 34px;
  border-top: 3px solid var(--c-accent);
  border-left: 3px solid var(--c-accent);
  pointer-events: none;
}

.page-about .milestone-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-about .milestone-tab {
  appearance: none;
  background: transparent;
  border: 1px solid var(--c-gray-dark);
  color: var(--c-gray-mid);
  font: 600 0.86rem/1.3 var(--font-body);
  padding: 10px 14px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background-color 0.2s;
  text-align: left;
}

.page-about .milestone-tab span {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: inherit;
  opacity: 0.75;
}

.page-about .milestone-tab:hover,
.page-about .milestone-tab:focus-visible {
  color: var(--c-white);
  border-color: var(--c-accent);
  outline: none;
}

.page-about .milestone-tab.is-active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-bg);
}

.page-about .milestone-stage {
  border-left: 2px solid var(--c-accent);
  margin-left: 10px;
  padding-left: 18px;
}

.page-about .milestone-panel {
  min-height: 200px;
  animation: about-fade-in 0.3s var(--ease-out);
}

@keyframes about-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-about .milestone-year {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--c-accent);
  margin: 0 0 6px;
  letter-spacing: 0.04em;
}

.page-about .milestone-panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--c-white);
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.page-about .milestone-panel p {
  margin: 0 0 18px;
  line-height: 1.72;
  max-width: 62ch;
}

.page-about .milestone-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .timeline-foot {
  margin-top: 20px;
  color: var(--c-gray-mid);
}

.page-about .tech-layout {
  display: grid;
  gap: 28px;
}

.page-about .tech-list {
  display: grid;
  gap: 14px;
}

.page-about .tech-card {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-gray-dark);
  padding: 20px 18px 16px 58px;
}

.page-about .tech-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--c-orange);
  opacity: 0.9;
}

.page-about .tech-num {
  position: absolute;
  left: 16px;
  top: 14px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--c-orange);
}

.page-about .tech-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--c-white);
  letter-spacing: 0.02em;
}

.page-about .tech-card p {
  margin: 0;
  line-height: 1.66;
  font-size: 0.94rem;
}

.page-about .tech-figure {
  margin: 0;
  border: 1px solid var(--c-gray-dark);
  padding: 10px;
  background: var(--c-surface);
}

.page-about .tech-figure img {
  display: block;
  width: 100%;
  height: auto;
}

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

.page-about .cert-card {
  position: relative;
  background: linear-gradient(135deg, var(--c-surface) 0%, rgba(27, 38, 59, 0.72) 100%);
  border: 1px solid var(--c-gray-dark);
  padding: 26px 20px 22px;
  overflow: hidden;
}

.page-about .cert-card::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  background: var(--c-accent);
  transition: width 0.3s var(--ease-out);
}

.page-about .cert-card:hover::after {
  width: 100%;
}

.page-about .cert-stamp {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.14em;
  color: var(--c-bg);
  background: var(--c-accent);
  padding: 6px 12px;
  margin-bottom: 16px;
}

.page-about .cert-card h3 {
  margin: 0 0 10px;
  color: var(--c-white);
  font-size: 1.16rem;
  letter-spacing: 0.02em;
}

.page-about .cert-card p {
  margin: 0;
  line-height: 1.65;
  font-size: 0.94rem;
}

.page-about .team-layout {
  display: grid;
  gap: 32px;
}

.page-about .team-lead {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.4;
  margin: 0 0 20px;
}

.page-about .team-distribution {
  margin-bottom: 24px;
  display: grid;
  gap: 12px;
}

.page-about .team-track {
  display: grid;
  grid-template-columns: 7em 1fr;
  align-items: center;
  gap: 12px;
}

.page-about .track-label {
  font-size: 0.9rem;
  color: var(--c-gray-light);
  font-weight: 600;
}

.page-about .track-bar {
  display: block;
  height: 8px;
  background: rgba(224, 225, 221, 0.1);
  overflow: hidden;
  position: relative;
}

.page-about .track-bar i {
  display: block;
  height: 100%;
  width: var(--track-width);
  background: linear-gradient(90deg, var(--c-accent), var(--c-orange));
}

.page-about .team-copy p {
  line-height: 1.7;
  margin: 0 0 14px;
}

.page-about .team-note {
  color: var(--c-gray-mid);
  font-size: 0.86rem;
}

.page-about .team-figure {
  margin: 0;
  border: 1px solid var(--c-gray-dark);
  padding: 12px;
  background: var(--c-surface);
}

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

.page-about .contact-layout {
  display: grid;
  gap: 14px;
}

.page-about .contact-card {
  background: var(--c-surface);
  border: 1px solid var(--c-gray-dark);
  padding: 24px 20px;
  position: relative;
}

.page-about .contact-card h3 {
  margin: 0 0 14px;
  color: var(--c-white);
  font-size: 1.1rem;
  letter-spacing: 0.03em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-gray-dark);
}

.page-about .contact-card p {
  margin: 0 0 10px;
  line-height: 1.65;
}

.page-about .contact-time {
  color: var(--c-gray-mid);
  font-size: 0.9rem;
}

.page-about .contact-note {
  font-size: 0.88rem;
  color: var(--c-gray-mid);
  border-left: 2px solid var(--c-accent);
  padding-left: 10px;
  margin-top: 12px;
}

.page-about .contact-links {
  display: grid;
  gap: 8px;
  margin-top: 4px;
}

@media (min-width: 860px) {
  .page-about .about-hero {
    padding: 64px 0 56px;
  }

  .page-about .hero-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
  }

  .page-about .section-head {
    margin-bottom: 44px;
  }

  .page-about .section-index {
    font-size: 3.4rem;
  }

  .page-about .mission-grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
  }

  .page-about .mission-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-about .milestone-board {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 28px;
    padding: 32px 28px;
  }

  .page-about .milestone-nav {
    flex-direction: column;
    gap: 4px;
    border-right: 1px solid var(--c-gray-dark);
    padding-right: 20px;
    margin-bottom: 0;
  }

  .page-about .milestone-tab {
    border: 0;
    border-left: 3px solid transparent;
    padding: 14px 16px;
    background: transparent;
    font-size: 0.95rem;
  }

  .page-about .milestone-tab.is-active,
  .page-about .milestone-tab:hover,
  .page-about .milestone-tab:focus-visible {
    background: transparent;
    border-left-color: var(--c-accent);
    color: var(--c-accent);
  }

  .page-about .milestone-tab span {
    opacity: 0.8;
  }

  .page-about .milestone-stage {
    margin-left: 0;
    padding-left: 24px;
  }

  .page-about .tech-layout {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
    gap: 40px;
  }

  .page-about .cert-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-about .team-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: start;
  }

  .page-about .contact-layout {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
}

@media (max-width: 480px) {
  .page-about .mission-stats {
    grid-template-columns: 1fr;
  }
}