.page-about {
  --about-hero-gradient: linear-gradient(130deg, #0B5C8A 0%, #084A70 46%, #1A1A2E 100%);
  --about-wind-line: linear-gradient(90deg, transparent, var(--color-neon), var(--color-accent), transparent);
  --about-timeline-color: #B8D7EC;
  --about-neutral-text: #4A5A68;
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--about-hero-gradient);
  padding: 40px 0 56px;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--about-wind-line);
  opacity: 0.85;
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
}

.page-about .about-hero .breadcrumb {
  margin: 0 0 28px;
}

.page-about .about-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.page-about .about-hero .breadcrumb-item {
  color: rgba(255, 255, 255, 0.64);
}

.page-about .about-hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-neon);
  margin-bottom: 16px;
}

.page-about .about-hero-kicker-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-accent);
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(255, 127, 0, 0.7);
}

.page-about .about-h1-small {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.45em;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 10px;
}

.page-about .about-hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-h1);
  line-height: 1.18;
  margin: 0 0 20px;
}

.page-about .about-hero-lead {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  max-width: 520px;
  margin-bottom: 28px;
}

.page-about .about-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 22px 34px;
  margin-bottom: 28px;
}

.page-about .about-hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-hero-stat .stat-number {
  font-family: var(--font-data);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}

.page-about .about-hero-stat .stat-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.64);
}

.page-about .about-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-about .about-cta-arrow {
  font-size: 1.1rem;
  transition: transform var(--transition-fast);
}

.page-about .about-hero-cta:hover .about-cta-arrow {
  transform: translateX(5px);
}

.page-about .about-hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

.page-about .about-hero-svg {
  width: 100%;
  max-width: 520px;
  height: auto;
}

.page-about .about-hero-visual-tag {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 6px 16px;
  backdrop-filter: blur(6px);
}

.page-about .about-hero-visual-tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-neon);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.8);
}

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

.page-about .about-section-head {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 40px;
}

.page-about .about-section-head .section-num {
  font-family: var(--font-data);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.72;
  flex-shrink: 0;
  margin-top: 2px;
}

.page-about .about-section-head-invert .section-num {
  color: var(--color-neon);
  opacity: 0.9;
}

.page-about .about-section-head-invert .section-kicker {
  color: var(--color-neon);
}

.page-about .about-section-head-invert .section-title {
  color: #fff;
}

.page-about .about-section-head-text {
  max-width: 640px;
}

.page-about .section-kicker {
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.page-about .section-title {
  font-family: var(--font-heading);
  font-size: var(--text-h2);
  line-height: 1.2;
  margin: 0;
}

.page-about .about-origin {
  background: linear-gradient(166deg, var(--color-bg) 0%, var(--color-bg) 76%, var(--color-bg-soft) 76%, var(--color-bg-soft) 100%);
}

.page-about .about-origin-grid {
  display: grid;
  gap: 40px;
}

.page-about .about-origin-text {
  font-size: var(--text-base);
  color: var(--color-ink);
}

.page-about .about-origin-text p {
  line-height: 1.75;
  margin-bottom: 18px;
}

.page-about .about-lead-paragraph {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.8;
}

.page-about .about-quote {
  margin: 30px 0;
  padding: 22px 24px;
  border-left: 4px solid var(--color-accent);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-primary);
  background: linear-gradient(90deg, rgba(11, 92, 138, 0.06), transparent 85%);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.page-about .about-quote p {
  margin: 0;
}

.page-about .about-origin-figure,
.page-about .about-timeline-figure {
  margin: 0;
}

.page-about .about-origin-img,
.page-about .about-timeline-img,
.page-about .about-multidevice-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
}

.page-about .about-figure-caption {
  margin-top: 10px;
  font-size: var(--text-sm);
  color: #5c7484;
  text-align: right;
  font-family: var(--font-serif);
  font-style: italic;
}

.page-about .about-milestones {
  background: var(--color-bg-soft);
  position: relative;
}

.page-about .about-milestones .container {
  position: relative;
}

.page-about .about-milestones .container::before {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  background: var(--about-wind-line);
  transform: skewX(-18deg) scaleX(1.02);
  margin-bottom: 40px;
  opacity: 0.6;
}

.page-about .about-timeline-figure {
  margin-bottom: 36px;
}

.page-about .about-timeline {
  position: relative;
  margin-top: 8px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 22px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-neon), var(--color-accent));
  opacity: 0.38;
  border-radius: 2px;
}

.page-about .about-timeline-item {
  position: relative;
  padding-left: 62px;
  margin-bottom: 30px;
}

.page-about .about-timeline-item:last-child {
  margin-bottom: 0;
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 22px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 3px solid var(--color-primary);
  box-shadow: 0 0 0 4px rgba(11, 92, 138, 0.12);
}

.page-about .about-timeline-item:nth-child(even)::before {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(255, 127, 0, 0.14);
}

.page-about .about-timeline-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.page-about .about-timeline-year {
  font-family: var(--font-data);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
}

.page-about .about-timeline-card {
  padding: 20px 22px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.page-about .about-timeline-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
}

.page-about .about-timeline-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  line-height: 1.35;
  margin: 0 0 8px;
  color: var(--color-ink);
}

.page-about .about-timeline-card p {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--about-neutral-text);
  margin: 0 0 4px;
}

.page-about .collapse-trigger {
  margin-top: 12px;
  background: none;
  border: none;
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.page-about .collapse-trigger:hover {
  color: var(--color-accent);
}

.page-about .collapse-trigger[aria-expanded="true"] .collapse-icon {
  transform: rotate(45deg);
}

.page-about .collapse-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  position: relative;
  transition: transform var(--transition-base);
}

.page-about .collapse-icon::before {
  content: "";
  position: absolute;
  width: 8px;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
}

.page-about .collapse-icon::after {
  content: "";
  position: absolute;
  width: 1.5px;
  height: 8px;
  background: currentColor;
  border-radius: 2px;
}

.page-about .collapse-panel {
  display: none;
}

.page-about .collapse-panel[data-open="true"] {
  display: block;
}

.page-about .collapse-trigger[aria-expanded="true"] + .collapse-panel {
  display: block;
}

.page-about .collapse-panel-inner {
  padding-top: 12px;
  border-top: 1px dashed rgba(11, 92, 138, 0.18);
  margin-top: 12px;
}

.page-about .collapse-panel-inner p {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--about-neutral-text);
  margin: 0;
}

.page-about .about-multidevice {
  background: linear-gradient(120deg, var(--color-primary) 0%, #0A7A9E 52%, var(--color-primary-dark) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.page-about .about-multidevice::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(0, 229, 255, 0.1);
  filter: blur(40px);
  pointer-events: none;
}

.page-about .about-multidevice-grid {
  display: grid;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.page-about .about-multidevice-strong {
  font-size: 1.25rem;
  line-height: 1.55;
  font-weight: 700;
  color: var(--color-neon);
  margin-bottom: 18px;
}

.page-about .about-multidevice-copy p {
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.75;
  margin-bottom: 16px;
}

.page-about .about-device-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0;
}

.page-about .about-multidevice .tag-blue,
.page-about .about-multidevice .tag-green,
.page-about .about-multidevice .tag-purple {
  background: rgba(255, 255, 255, 0.13);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-about .about-multidevice-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
}

.page-about .about-multidevice-note-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  color: var(--color-accent);
}

.page-about .about-multidevice-visual {
  position: relative;
}

.page-about .about-multidevice-img {
  display: block;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.page-about .about-multidevice-visual-card {
  position: absolute;
  bottom: -16px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: var(--shadow-float);
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.page-about .about-sync-time {
  font-family: var(--font-data);
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 600;
}

.page-about .about-team {
  background: var(--color-bg);
}

.page-about .about-team-intro {
  font-size: 1.125rem;
  line-height: 1.75;
  max-width: 720px;
  margin-bottom: 28px;
  color: var(--color-ink);
}

.page-about .about-team-direction {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px 18px;
  margin-bottom: 36px;
  background: linear-gradient(120deg, rgba(11, 92, 138, 0.05), rgba(0, 229, 255, 0.06));
  border: 1px solid rgba(11, 92, 138, 0.08);
  border-radius: var(--radius-md);
  padding: 18px 22px;
}

.page-about .about-team-direction-title {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

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

.page-about .about-team-bento {
  display: grid;
  gap: 16px;
}

.page-about .about-team-stat-card {
  background: var(--color-bg);
  border: 1px solid rgba(11, 92, 138, 0.1);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
}

.page-about .about-team-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
  border-color: rgba(255, 127, 0, 0.35);
}

.page-about .about-team-stat-card .stat-number {
  font-family: var(--font-data);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  line-height: 1.1;
  margin-bottom: 6px;
}

.page-about .about-team-stat-card .stat-label {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.page-about .about-team-stat-card p {
  font-size: var(--text-sm);
  color: #5c7484;
  line-height: 1.6;
  margin: 10px 0 0;
}

.page-about .about-team-honors {
  margin-top: 40px;
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
}

.page-about .about-team-honors-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  margin: 0 0 8px;
  color: var(--color-ink);
}

.page-about .about-honor-list {
  display: grid;
  gap: 4px;
}

.page-about .about-honor-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(11, 92, 138, 0.15);
}

.page-about .about-honor-item:last-child {
  border-bottom: none;
}

.page-about .about-honor-year {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-accent);
  min-width: 52px;
}

.page-about .about-honor-name {
  font-size: var(--text-sm);
  color: var(--color-ink);
  line-height: 1.5;
}

.page-about .about-credits {
  background: var(--color-bg-soft);
}

.page-about .about-credits-card {
  max-width: 720px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 18px;
}

.page-about .about-credits-icp {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--color-primary-tint);
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  width: fit-content;
}

.page-about .about-credits-label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
}

.page-about .about-credits-value {
  font-family: var(--font-data);
  font-size: var(--text-sm);
  color: var(--color-ink);
  font-weight: 600;
}

.page-about .about-credits-text {
  color: #455b69;
  line-height: 1.7;
  margin: 0;
}

.page-about .about-credits-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-about .about-page-links {
  padding: 48px 0 64px;
  background: var(--color-bg);
}

.page-about .about-page-links .container {
  display: grid;
  gap: 16px;
}

.page-about .about-page-link-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  background: var(--color-bg-soft);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), color var(--transition-fast), background var(--transition-fast);
}

.page-about .about-page-link-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
  color: var(--color-primary);
  background: var(--color-primary-tint);
}

@media (min-width: 640px) {
  .page-about .about-hero {
    padding: 56px 0 64px;
  }

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

  .page-about .about-page-links .container {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-about .about-section {
    padding: 80px 0 96px;
  }

  .page-about .about-hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 48px;
  }

  .page-about .about-hero-visual {
    min-height: 360px;
  }

  .page-about .about-origin-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
    align-items: center;
  }

  .page-about .about-timeline {
    max-width: 820px;
    margin-left: auto;
    margin-right: auto;
  }

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

  .page-about .about-multidevice-grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }

  .page-about .about-team-intro {
    font-size: 1.25rem;
  }

  .page-about .about-credits-card {
    padding: 40px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-team-bento {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(140px, auto);
  }

  .page-about .about-team-stat-card-lg {
    grid-row: span 2;
  }

  .page-about .about-team-bento .about-team-stat-card:last-child {
    grid-column: span 2;
  }

  .page-about .about-team-stat-card-lg .stat-number {
    font-size: 3rem;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero {
    padding: 64px 0 80px;
  }

  .page-about .about-hero-lead {
    font-size: 1.125rem;
  }

  .page-about .about-hero-stat .stat-number {
    font-size: 2.25rem;
  }

  .page-about .about-multidevice-note {
    font-size: var(--text-base);
  }

  .page-about .about-multidevice-visual-card {
    bottom: 8px;
    left: -24px;
  }
}