@charset "UTF-8";

/* About Page - Data First Layout */
.data-section {
  padding: 80px 0;
  background: var(--gradient-hero);
  color: var(--white);
  text-align: center;
}

.data-section .section-title { color: var(--white); }

.data-section .section-desc { color: rgba(255,255,255,0.75); }

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.data-card {
  padding: 40px 24px;
  background: rgba(255,255,255,0.08);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.data-card:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-4px);
}

.data-card .num {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  display: block;
  margin-bottom: 8px;
}

.data-card .label {
  font-size: 15px;
  opacity: 0.8;
}

/* Company Intro */
.company-section { padding: 80px 0; }

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

.company-img {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 40px var(--shadow);
}

.company-img img { width: 100%; height: 400px; object-fit: cover; }

.company-text h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
}

.company-text p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.company-text strong { color: var(--secondary); }

/* Culture */
.culture-section { padding: 80px 0; background: #F8FAFC; }

.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.culture-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.culture-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px var(--shadow-hover);
}

.culture-icon {
  width: 64px;
  height: 64px;
  background: rgba(74,111,165,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--secondary);
}

.culture-icon svg { width: 30px; height: 30px; }

.culture-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 12px;
}

.culture-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* History */
.history-section { padding: 80px 0; }

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: 50%;
  position: relative;
  margin-bottom: 48px;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: 50%;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 16px;
  height: 16px;
  background: var(--secondary);
  border-radius: 50%;
  transform: translateX(-50%);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--secondary);
}

.timeline-content {
  background: var(--white);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid var(--border);
  max-width: 340px;
  margin-right: 32px;
  box-shadow: 0 4px 12px var(--shadow);
}

.timeline-item:nth-child(even) .timeline-content { margin-right: 0; margin-left: 32px; }

.timeline-year {
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* Cert */
.cert-section { padding: 80px 0; background: #F8FAFC; }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cert-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--white);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.cert-icon {
  width: 48px;
  height: 48px;
  background: rgba(74,111,165,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--secondary);
}

.cert-icon svg { width: 24px; height: 24px; }

.cert-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
}

/* Responsive */
@media (max-width: 768px) {
  .data-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .data-card .num { font-size: 36px; }
  .company-grid { grid-template-columns: 1fr; gap: 40px; }
  .company-img img { height: 280px; }
  .culture-grid { grid-template-columns: 1fr; }
  .timeline::before { left: 20px; }
  .timeline-item,
  .timeline-item:nth-child(even) {
    padding-left: 56px;
    padding-right: 0;
    justify-content: flex-start;
  }
  .timeline-dot { left: 20px; }
  .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
  }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}