.page-about {
  --about-overlay: rgba(10, 14, 20, 0.72);
  --about-card-bg: linear-gradient(145deg, rgba(17, 24, 32, 0.92), rgba(10, 14, 20, 0.55));
  --about-border: rgba(78, 110, 88, 0.45);
  --about-glow-green: rgba(57, 255, 20, 0.16);
  --about-glow-blue: rgba(0, 229, 255, 0.12);
  padding-bottom: 0;
  overflow-x: hidden;
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 28px;
  font-size: 13px;
  color: var(--color-gray);
}

.page-about .breadcrumb a {
  color: var(--color-electric);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.page-about .breadcrumb-sep {
  color: var(--color-moss);
}

.page-about .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-neon);
  background: var(--about-glow-green);
  border: 1px solid rgba(57, 255, 20, 0.24);
  border-radius: 2px;
  padding: 6px 12px 6px 10px;
  margin-bottom: 18px;
}

.page-about .section-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--color-electric);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.page-about .section-header {
  margin-bottom: 40px;
}

.page-about .section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 4.2vw, 2.9rem);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--color-cream);
  margin: 0 0 12px;
  transform: skew(-2deg);
}

.page-about .section-subtitle {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-gray);
  margin: 0;
}

.page-about .manifesto-section {
  position: relative;
  padding: 44px 0 16px;
  background:
    linear-gradient(120deg, var(--about-overlay), var(--about-overlay)),
    repeating-linear-gradient(45deg, rgba(78, 110, 88, 0.08) 0, rgba(78, 110, 88, 0.08) 1px, transparent 1px, transparent 14px);
}

.page-about .manifesto-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-about .manifesto-copy {
  max-width: 720px;
}

.page-about .manifesto-title {
  font-family: var(--font-heading);
  font-size: clamp(2.3rem, 6vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-cream);
  margin: 0 0 22px;
  transform: skew(-2deg);
}

.page-about .manifesto-title::after {
  content: "";
  display: block;
  width: 54px;
  height: 4px;
  background: var(--color-neon);
  transform: skewX(-24deg);
  margin-top: 18px;
}

.page-about .manifesto-lead {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-cream);
  margin: 0 0 16px;
}

.page-about .manifesto-body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-gray);
  margin: 0 0 22px;
}

.page-about .manifesto-points {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .manifesto-points li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-cream);
  margin-bottom: 6px;
}

.page-about .manifesto-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  background: transparent;
  border: 2px solid var(--color-neon);
  transform: rotate(45deg);
}

.page-about .manifesto-visual {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-about .img-frame {
  position: relative;
  border-radius: 2px;
  border: 1px solid var(--about-border);
  background: var(--color-bg-alt);
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.32);
}

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

.page-about .manifesto-img {
  aspect-ratio: 16 / 9;
}

.page-about .manifesto-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 0;
}

.page-about .stat-chip {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--about-card-bg);
  border: 1px solid var(--about-border);
  border-left: 2px solid var(--color-neon);
  border-radius: 2px;
  padding: 14px 16px;
  margin: 0;
}

.page-about .stat-chip-num {
  font-family: var(--font-data);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--color-neon);
  line-height: 1.2;
}

.page-about .stat-chip-label {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.4;
}

.page-about .timeline-section {
  padding: 72px 0 56px;
  background:
    linear-gradient(180deg, var(--color-bg) 0%, rgba(17, 24, 32, 0.4) 50%, var(--color-bg) 100%);
}

.page-about .timeline-list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 70px 24px 1fr;
  gap: 12px;
  padding-bottom: 30px;
}

.page-about .timeline-item::before {
  content: "";
  position: absolute;
  left: 81px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-neon) 0%, var(--color-electric) 60%, transparent 100%);
  opacity: 0.32;
}

.page-about .timeline-item:last-child::before {
  display: none;
}

.page-about .timeline-date {
  text-align: right;
  padding-top: 12px;
}

.page-about .timeline-year {
  font-family: var(--font-data);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-electric);
  white-space: nowrap;
}

.page-about .timeline-node {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}

.page-about .timeline-dot {
  display: block;
  width: 14px;
  height: 14px;
  margin-top: 12px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-electric);
  box-shadow: 0 0 0 5px var(--about-glow-blue);
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.page-about .timeline-item[data-reveal].revealed .timeline-dot {
  background: var(--color-neon);
  border-color: var(--color-neon);
  box-shadow: 0 0 0 6px var(--about-glow-green), 0 0 18px rgba(57, 255, 20, 0.4);
}

.page-about .timeline-card {
  background: var(--about-card-bg);
  border: 1px solid var(--about-border);
  border-left: 2px solid var(--color-neon);
  border-radius: 2px;
  padding: 16px 18px;
  transition: border-color 0.35s ease, transform 0.35s ease;
}

.page-about .timeline-item[data-reveal].revealed .timeline-card {
  border-left-color: var(--color-neon);
}

.page-about .timeline-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--color-cream);
  margin: 0 0 8px;
  transform: skew(-2deg);
}

.page-about .timeline-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-gray);
  margin: 0;
}

.page-about .process-section {
  padding: 72px 0 56px;
  background: var(--color-bg-deep);
  clip-path: polygon(0 0, 100% 24px, 100% 100%, 0 calc(100% - 24px));
}

.page-about .process-section .container {
  padding-top: 24px;
}

.page-about .process-section .section-title {
  color: var(--color-cream);
}

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

.page-about .process-step {
  position: relative;
  background: var(--about-card-bg);
  border: 1px solid var(--about-border);
  border-radius: 2px;
  padding: 24px 22px 20px 70px;
  transition: border-color 0.35s ease, transform 0.35s ease;
}

.page-about .process-step:hover {
  border-color: rgba(0, 229, 255, 0.4);
}

.page-about .process-num {
  position: absolute;
  left: 18px;
  top: 20px;
  font-family: var(--font-data);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-electric);
  opacity: 0.9;
}

.page-about .process-step::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-neon), var(--color-electric));
  opacity: 0;
  transition: opacity 0.35s ease;
}

.page-about .process-step:hover::after {
  opacity: 0.8;
}

.page-about .process-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  color: var(--color-cream);
  margin: 0 0 8px;
  transform: skew(-2deg);
}

.page-about .process-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-gray);
  margin: 0;
}

.page-about .focus-section {
  padding: 72px 0 56px;
}

.page-about .focus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-about .focus-card {
  position: relative;
  background: var(--about-card-bg);
  border: 1px solid var(--about-border);
  border-radius: 2px;
  padding: 28px 26px 22px;
  overflow: hidden;
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.page-about .focus-card::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 96px;
  height: 96px;
  background: var(--about-glow-green);
  transform: rotate(45deg);
  transition: transform 0.45s ease;
}

.page-about .focus-card:hover {
  border-color: rgba(57, 255, 20, 0.35);
  transform: translateY(-2px);
}

.page-about .focus-card:hover::before {
  transform: rotate(45deg) translate(8px, 8px);
}

.page-about .focus-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--color-cream);
  margin: 0 0 12px;
  transform: skew(-2deg);
}

.page-about .focus-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-gray);
  margin: 0 0 16px;
}

.page-about .focus-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-terra);
}

.page-about .focus-meta::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--color-terra);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.page-about .team-section {
  padding: 72px 0 56px;
  background: rgba(17, 24, 32, 0.35);
}

.page-about .team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-about .team-copy .section-title {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
}

.page-about .team-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-gray);
  margin: 0 0 28px;
}

.page-about .team-bars {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-about .team-bar {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-about .team-bar-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14px;
  color: var(--color-cream);
}

.page-about .team-bar-count {
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-neon);
}

.page-about .team-bar-track {
  height: 8px;
  background: rgba(138, 156, 168, 0.12);
  border-radius: 4px;
  overflow: hidden;
}

.page-about .team-bar-fill {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: var(--color-electric);
  box-shadow: 0 0 12px var(--about-glow-blue);
  transform-origin: left center;
}

.page-about .team-fill-tech {
  width: 60%;
}

.page-about .team-fill-data {
  width: 30%;
  background: var(--color-neon);
  box-shadow: 0 0 12px var(--about-glow-green);
}

.page-about .team-fill-ops {
  width: 10%;
  background: var(--color-terra);
  box-shadow: none;
}

.page-about .team-visual .img-frame {
  box-shadow: 0 28px 56px rgba(0, 0, 0, 0.36);
}

.page-about .team-img {
  aspect-ratio: 3 / 2;
}

.page-about .cert-section {
  padding: 72px 0 64px;
}

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

.page-about .cert-card {
  position: relative;
  height: 360px;
  perspective: 1000px;
  cursor: pointer;
}

.page-about .cert-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.5s var(--ease);
  transform-style: preserve-3d;
}

.page-about .cert-card:hover .cert-card-inner,
.page-about .cert-card:focus .cert-card-inner,
.page-about .cert-card:focus-within .cert-card-inner {
  transform: rotateY(180deg);
}

.page-about .cert-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 28px 24px;
  background: var(--about-card-bg);
  border: 1px solid var(--about-border);
  border-radius: 2px;
  overflow: hidden;
}

.page-about .cert-front::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 120px;
  height: 120px;
  background: var(--about-glow-green);
  transform: rotate(45deg);
}

.page-about .cert-icon {
  width: 48px;
  height: 48px;
  color: var(--color-neon);
  margin-bottom: 18px;
}

.page-about .cert-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--color-cream);
  margin: 0 0 12px;
  transform: skew(-2deg);
  max-width: 260px;
}

.page-about .cert-grade {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-electric);
  background: var(--about-glow-blue);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 2px;
  padding: 4px 14px;
  margin-bottom: 14px;
}

.page-about .cert-front-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-gray);
  margin: 0;
}

.page-about .cert-back {
  transform: rotateY(180deg);
  justify-content: center;
}

.page-about .cert-back.detail {
  color: var(--color-cream);
}

.page-about .cert-detail {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-cream);
  margin: 0 0 18px;
}

.page-about .cert-back-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-neon);
  background: var(--about-glow-green);
  border: 1px solid rgba(57, 255, 20, 0.22);
  border-radius: 2px;
  padding: 5px 12px;
  margin-bottom: 10px;
}

.page-about .cert-back-modal {
  display: block;
}

.page-about .cert-back-meta {
  display: block;
  font-size: 12px;
  color: var(--color-gray);
}

.page-about .cert-visual {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-about .cert-img {
  aspect-ratio: 1 / 1;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.32);
}

.page-about .cert-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-gray);
  border-left: 2px solid var(--color-moss);
  padding-left: 14px;
  margin: 0;
}

.page-about .related-section {
  padding: 20px 0 72px;
}

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

.page-about .related-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(17, 24, 32, 0.55);
  border: 1px solid var(--about-border);
  border-radius: 2px;
  padding: 20px 22px;
  text-decoration: none;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-about .related-card:hover {
  border-color: rgba(0, 229, 255, 0.45);
  transform: translateY(-2px);
}

.page-about .related-label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-neon);
}

.page-about .related-name {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-cream);
}

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

  .page-about .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .focus-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-about .cert-visual {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

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

  .page-about .timeline-item {
    grid-template-columns: 120px 36px 1fr;
    gap: 16px;
    padding-bottom: 40px;
  }

  .page-about .timeline-item::before {
    left: 128px;
  }

  .page-about .timeline-year {
    font-size: 1.35rem;
  }

  .page-about .timeline-dot {
    width: 16px;
    height: 16px;
    margin-top: 13px;
  }

  .page-about .timeline-card {
    padding: 22px 26px;
  }

  .page-about .process-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .page-about .process-step {
    padding: 28px 22px 24px 22px;
  }

  .page-about .process-num {
    position: static;
    display: inline-block;
    font-size: 2rem;
    margin-bottom: 18px;
  }

  .page-about .process-step::after {
    top: auto;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-neon), var(--color-electric));
  }

  .page-about .cert-layout {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-about .cert-visual {
    grid-column: auto;
    display: flex;
  }

  .page-about .cert-card {
    height: 380px;
  }

  .page-about .team-layout {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }

  .page-about .related-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-about .related-card {
    padding: 24px 28px;
  }
}

@media (min-width: 1280px) {
  .page-about .manifesto-section {
    padding-top: 56px;
  }

  .page-about .cert-layout {
    gap: 26px;
  }
}