.page-about {
  --about-glow-green: rgba(0, 255, 136, 0.08);
  --about-glow-orange: rgba(255, 106, 0, 0.06);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

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

.page-about .about-hero {
  position: relative;
  padding: 36px 0 64px;
  background:
    radial-gradient(ellipse at 82% 12%, var(--about-glow-green), transparent 54%),
    radial-gradient(ellipse at 8% 88%, var(--about-glow-orange), transparent 44%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: 36%;
  width: 230px;
  height: 230px;
  border: 1px dashed var(--border-dark);
  border-radius: 44px;
  transform: rotate(24deg);
  pointer-events: none;
}

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

.page-about .about-hero .breadcrumb {
  margin-bottom: 36px;
}

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

.page-about .about-hero .section-eyebrow {
  margin-bottom: 12px;
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.6vw, 56px);
  line-height: 1.04;
  letter-spacing: 0.01em;
  margin: 0 0 16px;
}

.page-about .about-hero__lead {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.4;
  color: var(--accent);
  margin: 0 0 14px;
}

.page-about .about-hero__desc {
  color: var(--text-secondary);
  max-width: 58ch;
  margin: 0 0 28px;
}

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

.page-about .about-hero .btn {
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

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

.page-about .img-frame--hero {
  background: var(--bg-elevated);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 92% 100%, 0 100%);
  transform: rotate(-1.2deg);
}

.page-about .about-hero__grid-deco {
  position: absolute;
  right: -10px;
  bottom: -10px;
  width: 110px;
  height: 110px;
  border-right: 2px solid var(--accent-orange);
  border-bottom: 2px solid var(--accent-orange);
  opacity: 0.7;
  z-index: 2;
}

.page-about .about-hero__strip {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--border-dark);
}

.page-about .about-hero__strip span {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-about .about-story {
  padding: 64px 0;
  background: var(--bg-surface);
  position: relative;
}

.page-about .about-story::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 260px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.page-about .about-story__intro {
  max-width: 720px;
  margin-bottom: 40px;
}

.page-about .about-story__intro h2,
.page-about .section-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 40px);
  line-height: 1.15;
  margin: 8px 0 12px;
}

.page-about .about-story__intro .section-lead,
.page-about .section-heading .section-lead {
  color: var(--text-secondary);
  font-size: 18px;
}

.page-about .about-story__principles {
  display: grid;
  gap: 16px;
  margin-bottom: 40px;
}

.page-about .about-story__principle {
  background: var(--bg-elevated);
  border: 1px solid var(--border-dark);
  border-left: 3px solid var(--accent);
  padding: 24px;
  transition: transform 0.3s ease;
}

.page-about .about-story__principle:hover {
  transform: translateX(6px);
}

.page-about .about-story__principle-num {
  display: inline-block;
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.page-about .about-story__principle h3 {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 0 0 8px;
}

.page-about .about-story__principle p {
  color: var(--text-secondary);
  font-size: 15px;
  margin: 0;
}

.page-about .about-story__media {
  display: grid;
  gap: 16px;
  align-items: center;
}

.page-about .img-frame--team {
  background: var(--bg-elevated);
  clip-path: polygon(6% 0, 100% 0, 100% 88%, 94% 100%, 0 100%, 0 12%);
}

.page-about .img-frame--team img,
.page-about .img-frame--square img {
  object-fit: cover;
}

.page-about .about-story__media-note {
  background: var(--bg-elevated);
  padding: 20px 24px;
  border-left: 2px solid var(--accent-orange);
}

.page-about .about-story__media-num {
  font-family: var(--font-mono);
  font-size: 32px;
  color: var(--accent-orange);
  font-weight: 700;
  display: block;
  line-height: 1.2;
}

.page-about .about-story__media-note p {
  margin: 8px 0 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.page-about .about-timeline {
  padding: 72px 0;
  background: var(--bg-primary);
  position: relative;
}

.page-about .about-timeline .section-heading {
  max-width: 720px;
}

.page-about .about-timeline__list {
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  left: 44px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-orange), var(--accent-cyan), transparent);
  opacity: 0.55;
}

.page-about .about-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 16px;
  padding-bottom: 32px;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 40px;
  top: 14px;
  width: 12px;
  height: 12px;
  background: var(--bg-primary);
  border: 2px solid var(--accent);
  transform: rotate(45deg);
  z-index: 1;
}

.page-about .about-timeline__item::after {
  content: "";
  position: absolute;
  left: 42px;
  top: 16px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  opacity: 0.5;
  transform: rotate(45deg);
  animation: page-about-pulse 2s ease-in-out infinite;
}

@keyframes page-about-pulse {
  0%, 100% {
    opacity: 0.3;
    transform: rotate(45deg) scale(0.8);
  }
  50% {
    opacity: 0.9;
    transform: rotate(45deg) scale(1.3);
  }
}

.page-about .about-timeline__node {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  display: block;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  font-weight: 700;
  text-align: right;
}

.page-about .about-timeline__card {
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  border-left: 3px solid var(--accent);
  padding: 20px 20px 20px 56px;
  position: relative;
  transition: background 0.3s ease;
}

.page-about .about-timeline__card:hover {
  background: var(--bg-elevated);
}

.page-about .about-timeline__card-index {
  position: absolute;
  left: 16px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--accent);
  font-weight: 700;
}

.page-about .about-timeline__card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 6px;
  line-height: 1.3;
}

.page-about .about-timeline__card p {
  color: var(--text-secondary);
  font-size: 15px;
  margin: 0;
}

.page-about .about-data {
  padding: 72px 0;
  background: var(--bg-surface);
  position: relative;
  overflow: hidden;
}

.page-about .about-data::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: repeating-linear-gradient(135deg, rgba(0, 255, 136, 0.03) 0 8px, transparent 8px 16px);
  pointer-events: none;
}

.page-about .about-data .section-heading {
  margin-bottom: 20px;
}

.page-about .about-data__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 40px 0 20px;
}

.page-about .about-data-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-dark);
  padding: 24px 16px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.page-about .about-data-card:hover {
  border-color: var(--accent);
}

.page-about .about-data-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(135deg, rgba(0, 212, 255, 0.07) 0 2px, transparent 2px 10px);
  pointer-events: none;
}

.page-about .about-data-card::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 60px;
  height: 60px;
  border: 1px dashed var(--border-dark);
  transform: rotate(15deg);
}

.page-about .about-data-card .data-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 34px;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.page-about .about-data-card .data-label {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.4;
  position: relative;
  z-index: 1;
}

.page-about .about-data__note {
  color: var(--text-secondary);
  font-size: 14px;
  border-left: 2px solid var(--accent-orange);
  padding: 8px 0 8px 16px;
  margin-top: 12px;
}

.page-about .about-credential {
  padding: 72px 0;
  background: var(--bg-primary);
}

.page-about .about-credential .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
}

.page-about .about-credential .filter-btn {
  appearance: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-about .about-credential .filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.page-about .about-credential .filter-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #05110a;
  font-weight: 700;
}

.page-about .about-credential__grid {
  display: grid;
  gap: 16px;
  margin: 32px 0;
}

.page-about .about-credential-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  padding: 24px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-about .about-credential-card:hover {
  transform: translate(-2px, -2px);
  border-color: var(--accent);
}

.page-about .about-credential-card[hidden] {
  display: none;
}

.page-about .about-credential-card__icon {
  width: 44px;
  height: 44px;
  color: var(--accent);
  margin-bottom: 16px;
}

.page-about .about-credential-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 8px;
  line-height: 1.3;
}

.page-about .about-credential-card p {
  color: var(--text-secondary);
  font-size: 15px;
  margin: 0 0 16px;
}

.page-about .about-credential-card__tag {
  display: inline-block;
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.35);
  color: var(--accent);
  font-size: 13px;
  padding: 3px 12px;
  font-family: var(--font-mono);
}

.page-about .about-credential__feature {
  display: grid;
  gap: 24px;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  padding: 20px;
  margin-top: 40px;
}

.page-about .img-frame--square {
  background: var(--bg-elevated);
  clip-path: polygon(4% 0, 100% 0, 100% 96%, 96% 100%, 0 100%, 0 4%);
}

.page-about .about-credential__feature-text h3 {
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.25;
  margin: 8px 0 12px;
}

.page-about .about-credential__feature-text p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 16px;
}

.page-about .about-cta {
  padding: 88px 24px;
  background:
    linear-gradient(120deg, rgba(0, 255, 136, 0.1), transparent 40%),
    linear-gradient(240deg, rgba(255, 106, 0, 0.08), transparent 50%),
    var(--bg-surface);
  border-top: 1px solid var(--border-dark);
  position: relative;
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 24px;
  background: linear-gradient(135deg, var(--accent) 0 50%, transparent 50%);
  opacity: 0.6;
  transform: skewX(-20deg) scaleX(1.2);
  transform-origin: center top;
}

.page-about .about-cta__inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.page-about .about-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 44px);
  margin: 8px 0 16px;
  line-height: 1.1;
}

.page-about .about-cta p {
  color: var(--text-secondary);
  max-width: 52ch;
  margin: 0 auto 28px;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.page-about .about-cta .btn {
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 48px 0 72px;
  }

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

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

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

  .page-about .about-story__media {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
  }

  .page-about .about-timeline {
    padding: 96px 0;
  }

  .page-about .about-timeline__item {
    grid-template-columns: 120px 1fr;
    gap: 20px;
  }

  .page-about .about-timeline__node {
    padding-right: 20px;
  }

  .page-about .about-data {
    padding: 96px 0;
  }

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

  .page-about .about-credential {
    padding: 96px 0;
  }

  .page-about .about-credential__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .page-about .about-credential__feature {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__grid {
    gap: 64px;
  }

  .page-about .about-hero h1 {
    font-size: 56px;
  }

  .page-about .about-credential__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-data-card .data-num {
    font-size: 40px;
  }

  .page-about .about-cta {
    padding: 112px 24px;
  }
}