.about-header {
  background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border);
  padding: 100px 0 64px;
  margin-top: var(--nav-h);
}

.about-header-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-header h1 { margin-bottom: 16px; }
.about-header p { font-size: 1.0625rem; margin-bottom: 32px; }

.about-header-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.about-stat-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about-stat-box .val { font-size: 2rem; font-weight: 900; color: var(--accent); letter-spacing: -0.03em; }
.about-stat-box .lbl { font-size: 0.875rem; color: var(--text-secondary); }

.about-stat-box:first-child { grid-column: 1 / -1; }

.mission-section { padding: 80px 0; }

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

.mission-grid h2 { margin-bottom: 20px; }
.mission-grid p { font-size: 1.0625rem; margin-bottom: 20px; }

.mission-values {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mission-value {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.mv-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.mv-icon.orange { background: var(--accent-light); color: var(--accent); }
.mv-icon.blue { background: var(--blue-light); color: var(--blue); }
.mv-icon.green { background: var(--green-light); color: var(--green); }

.mv-text h4 { font-size: 1rem; margin-bottom: 4px; }

.mission-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10rem;
  position: relative;
}

.mission-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(249,115,22,0.06) 0%, transparent 60%);
}

.team-section {
  background: var(--bg-secondary);
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

.team-card:hover { border-color: var(--border-hover); }

.team-avatar {
  width: 72px;
  height: 72px;
  background: var(--bg-elevated);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 16px;
  border: 2px solid var(--border-hover);
}

.team-name { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.team-role { font-size: 0.875rem; color: var(--accent); margin-bottom: 12px; }
.team-bio { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 16px; }

.team-socials { display: flex; gap: 8px; justify-content: center; }
.team-social {
  width: 32px;
  height: 32px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: var(--transition);
}
.team-social:hover { border-color: var(--accent); color: var(--accent); }

.timeline-section { padding: 80px 0; }

.timeline {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  padding-left: 48px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border));
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

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

.timeline-dot {
  position: absolute;
  left: -38px;
  top: 6px;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2);
}

.timeline-year {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.timeline-title { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.timeline-desc { font-size: 0.9rem; color: var(--text-secondary); }

@media (max-width: 1024px) {
  .about-header-inner { grid-template-columns: 1fr; }
  .about-header-visual { display: none; }
  .mission-grid { grid-template-columns: 1fr; }
  .mission-visual { height: 280px; font-size: 7rem; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .team-grid { grid-template-columns: 1fr; }
}