.about-hero { text-align: center; padding: 100px 20px 40px; }
.about-hero h1 { color: var(--accent); font-size: 2.5rem; margin-bottom: 10px; }
.about-hero .tagline { color: var(--text-secondary); font-size: 1.2rem; }

.about-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
  padding-top: 220px;
}

.transition-section, .profile-section, .accomplishments, .publications-section, .cited-in-section, .platform-section, .contact-section {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  margin-top: 30px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.profile-section { display: flex; align-items: center; gap: 30px; margin-top: 0; }
.profile-image { flex-shrink: 0; }

.profile-placeholder {
  width: 100px; height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--bg-tertiary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: bold;
  color: white;
}

.profile-info h2 { margin: 0; color: var(--bg-primary); font-size: 1.8rem; }
.profile-info .title { color: #666; margin: 5px 0 0; font-size: 1rem; }

.accomplishments h3, .publications-section h3, .cited-in-section h3, .platform-section h3, .contact-section h3, .transition-section h3 {
  margin-top: 0;
  color: var(--bg-primary);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 10px;
}

.transition-section p, .transition-section ul li { line-height: 1.8; color: #444; }
.transition-section p { margin-bottom: 1.2em; }

.stats-row { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 20px; margin: 30px 0; }

.stat-box {
  text-align: center;
  padding: 20px;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border-radius: 12px;
  min-width: 120px;
}

.stat-box .stat-number { font-size: 2.5rem; font-weight: bold; color: var(--accent); }
.stat-box .stat-label { font-size: 0.85rem; color: var(--text-secondary); margin-top: 5px; }

.accomplishment-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 20px; }

.accomplishment-item {
  padding: 20px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(0,0,0,0.02), rgba(0,0,0,0.05));
}

.accomplishment-icon { font-size: 2rem; margin-bottom: 10px; }
.accomplishment-item h4 { margin: 0 0 10px; color: var(--bg-primary); }
.accomplishment-item p { margin: 0; color: #555; font-size: 0.9rem; line-height: 1.6; }
.publication-list { display: flex; flex-direction: column; gap: 15px; }

.publication-item {
  padding: 20px;
  border-radius: 8px;
  background: rgba(0,0,0,0.02);
  border-left: 3px solid var(--accent);
}

.publication-item.highlighted { background: rgba(212, 168, 67, 0.1); border-left-width: 4px; }
.publication-item h4 { margin: 0 0 8px; color: var(--bg-primary); }
.publication-item .pub-desc { margin: 0; color: #555; font-size: 0.95rem; line-height: 1.6; }

.cited-logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 25px; margin-top: 20px; }
.cited-logos span { background: var(--bg-secondary); padding: 10px 20px; border-radius: 8px; font-weight: bold; color: var(--text-secondary); font-size: 0.9rem; }
.platform-features { line-height: 1.8; padding-left: 25px; }
.platform-features li { margin: 8px 0; }
.contact-email { font-size: 1.2rem; color: var(--accent); font-weight: bold; }
.about-footer { text-align: center; padding: 30px; color: var(--text-secondary); font-size: 0.9rem; }

@media (max-width: 600px) {
  .profile-section { flex-direction: column; text-align: center; }
  .accomplishment-grid { grid-template-columns: 1fr; }
}