/* ============================================
   About Page Styles — 鸿链数科 Honchain
   ============================================ */

/* Company Intro */
.about-intro-text p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

/* Founder Section */
.founder-section {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.founder-card {
  padding: var(--space-10);
  max-width: 700px;
  margin: 0 auto;
}

.founder-content h3 {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.founder-title {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--accent-cyan);
  margin-bottom: var(--space-8);
}

.founder-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.founder-milestone {
  display: flex;
  gap: var(--space-4);
  padding-left: var(--space-2);
  border-left: 2px solid var(--border-subtle);
}

.founder-milestone strong {
  font-family: var(--font-number);
  font-size: var(--text-lg);
  color: var(--accent-cyan);
  flex-shrink: 0;
  min-width: 48px;
}

.founder-milestone p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: var(--leading-relaxed);
}

/* Mission Grid */
.mission-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.mission-card {
  text-align: center;
  padding: var(--space-10) var(--space-6);
}

.mission-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
}

.mission-card h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.mission-card p {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

/* Timeline */
.timeline-section {
  position: relative;
  z-index: 1;
}

.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-8);
  padding-left: var(--space-8);
}

.timeline-dot {
  position: absolute;
  left: -4px;
  top: 20px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.5);
  border: 3px solid var(--bg-primary);
  z-index: 1;
}

.timeline-content {
  padding: var(--space-6);
}

.timeline-year {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 700;
  font-family: var(--font-number);
  color: var(--accent-cyan);
  margin-bottom: var(--space-2);
}

.timeline-content h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.timeline-content p {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: 0;
  line-height: var(--leading-relaxed);
}

/* Locations */
.location-section {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.location-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.location-card {
  text-align: center;
  padding: var(--space-8) var(--space-5);
}

.location-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.location-card h4 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.location-card p {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-bottom: 0;
  line-height: var(--leading-relaxed);
}

/* Honors Detail */
.honors-detail-section {
  position: relative;
  z-index: 10;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.honors-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.honor-detail-card {
  padding: var(--space-6);
  cursor: pointer;
  text-align: center;
  position: relative;
  z-index: 10;
  transition: all var(--transition-base);
}

.honor-detail-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.honor-detail-badge {
  width: 36px;
  height: 36px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 700;
  font-family: var(--font-number);
}

.honor-detail-card h4 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.honor-detail-card p {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
  line-height: var(--leading-relaxed);
}

.honor-detail-card .honor-hint {
  display: block;
  font-size: var(--text-xs);
  color: var(--accent-cyan);
  opacity: 0;
  transform: translateY(4px);
  transition: all var(--transition-base);
}

.honor-detail-card:hover .honor-hint {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .honors-detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .honors-detail-grid {
    grid-template-columns: 1fr;
  }
}

/* Software Copyrights */
.copyright-section {
  position: relative;
  z-index: 1;
}

.copyright-cat {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: var(--space-6);
  margin-top: var(--space-10);
}

.copyright-cat:first-of-type {
  margin-top: 0;
}

.copyright-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.copyright-item {
  padding: var(--space-4);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-base);
}

.copyright-item:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.copyright-thumb {
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  background: rgba(255,255,255,0.02);
}

.copyright-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.copyright-item span {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Responsive */
@media (max-width: 1024px) {
  .copyright-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .copyright-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
  .copyright-item {
    padding: var(--space-3);
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .mission-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .location-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .mission-grid {
    grid-template-columns: 1fr;
  }
  .location-grid {
    grid-template-columns: 1fr;
  }
  .timeline {
    padding-left: var(--space-4);
  }
  .timeline-item {
    padding-left: var(--space-6);
  }
}