* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans KR', -apple-system, sans-serif;
  min-height: 100vh;
}

.card-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 380px;
  min-width: 320px;
  background: #1A213B;
  color: #fff;
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.profile-img {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2d3a5c 0%, #3d4d75 100%);
  border: 3px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.initials {
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.95);
}

.badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}

.name {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.name-kr {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2.5rem;
}

.info-block {
  width: 100%;
  text-align: left;
  margin-top: auto;
}

.info-heading {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.75rem;
}

.info-block p {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.info-block a {
  color: #fff;
  text-decoration: none;
  transition: opacity 0.2s;
}

.info-block a:hover {
  opacity: 0.8;
}

.back-link {
  display: inline-block;
  margin-top: 2rem;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.back-link:hover {
  color: #fff;
}

.main-content {
  flex: 1;
  background: #fff;
  padding: 4rem 4rem 4rem 3rem;
  color: #333;
}

.motto {
  font-size: 1.25rem;
  color: #555;
  line-height: 1.8;
  margin-bottom: 3rem;
  padding-left: 0.5rem;
  border-left: 3px solid #1A213B;
}

.motto em {
  font-style: italic;
}

.section-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: #999;
  margin-bottom: 2rem;
}

.timeline {
  position: relative;
  padding-left: 1.5rem;
  border-left: 2px solid #e5e5e5;
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.625rem;
  top: 0.25rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #1A213B;
}

.timeline-date {
  font-size: 0.85rem;
  color: #999;
  display: block;
  margin-bottom: 0.35rem;
}

.timeline-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.timeline-content p {
  font-size: 0.95rem;
  color: #666;
}

@media (max-width: 768px) {
  .card-layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    min-width: auto;
    padding: 2rem 1.5rem;
  }

  .main-content {
    padding: 2rem 1.5rem;
  }
}