/* ─── Hakkımda Sayfası Stilleri ─── */

/* Page Hero */
.page-hero {
  background: linear-gradient(135deg, var(--clr-primary) 0%, #1976d2 100%);
  color: #fff;
  padding: 5rem 0 3rem;
  text-align: center;
}

.page-hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.3rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.academic-badges {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.academic-badge {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 0.9rem;
  text-align: center;
  white-space: nowrap;
}

/* Biyografi Bölümü */
.biography {
  padding: 5rem 0 3rem 0;
}

.bio-grid {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 4rem;
  align-items: start;
}

.bio-image {
  position: sticky;
  top: 2rem;
}

.bio-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  margin-bottom: 2rem;
}

.credentials {
  background: rgba(1,87,155,0.05);
  padding: 2rem;
  border-radius: 15px;
  border-left: 4px solid var(--clr-primary);
}

.credentials h3 {
  color: var(--clr-primary);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.credentials ul {
  list-style: none;
}

.credentials li {
  padding: 0.5rem 0;
  font-weight: 500;
  border-bottom: 1px solid rgba(1,87,155,0.1);
}

.credentials li:last-child {
  border-bottom: none;
}

/* Bio Content */
.bio-content {
  max-width: 800px;
}

.bio-section {
  margin-bottom: 4rem;
}

.bio-section h2 {
  font-size: 2.2rem;
  color: var(--clr-primary);
  margin-bottom: 2rem;
  font-weight: 700;
  border-bottom: 3px solid var(--clr-secondary);
  padding-bottom: 0.5rem;
}

/* Education Timeline */
.education-timeline {
  position: relative;
  padding-left: 2rem;
}

.education-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--clr-primary);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.2rem;
  top: 0.5rem;
  width: 15px;
  height: 15px;
  background: var(--clr-secondary);
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px var(--clr-primary);
}

.timeline-year {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-secondary);
  margin-bottom: 0.5rem;
}

.timeline-content h4 {
  font-size: 1.3rem;
  color: var(--clr-primary);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.timeline-content p {
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.timeline-content em {
  color: var(--clr-secondary);
  font-weight: 600;
}

/* Specialties Grid */
.specialties-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.specialty-card {
  background: #fff;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  border-top: 4px solid var(--clr-primary);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.specialty-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.specialty-card.advanced {
  border-top-color: var(--clr-secondary);
}

.specialty-card h4 {
  font-size: 1.2rem;
  color: var(--clr-primary);
  margin-bottom: 1rem;
  font-weight: 600;
}

.specialty-card p {
  line-height: 1.6;
  margin-bottom: 1rem;
  color: #666;
}

.specialty-level {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(1,87,155,0.1);
  color: var(--clr-primary);
}

.specialty-card.advanced .specialty-level {
  background: rgba(66,165,245,0.1);
  color: var(--clr-secondary);
}

/* Publications Summary */
.publications-summary {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  justify-content: center;
  flex-wrap: wrap;
}

.pub-stat {
  text-align: center;
  background: rgba(1,87,155,0.05);
  padding: 2rem 1.5rem;
  border-radius: 15px;
  min-width: 150px;
}

.pub-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 0.5rem;
}

.pub-label {
  font-size: 0.9rem;
  color: #666;
  font-weight: 600;
}

/* Featured Publications */
.featured-publications h4 {
  color: var(--clr-primary);
  margin-bottom: 2rem;
  font-size: 1.3rem;
}

.publication-item {
  background: #fff;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--clr-secondary);
}

.publication-item h5 {
  color: var(--clr-primary);
  margin-bottom: 0.5rem;
  font-size: 1rem;
  line-height: 1.4;
}

.publication-item p {
  color: #666;
  font-size: 0.9rem;
  margin: 0;
}

.publication-category {
  display: inline-block;
  background: var(--clr-secondary);
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.publication-item.advanced .publication-category {
  background: var(--clr-secondary);
}

.publication-item.general .publication-category {
  background: #757575;
}

.publication-item.advanced {
  background: rgba(66,165,245,0.02);
}

.publication-item.general {
  border-left: 4px solid #757575;
}

/* Achievements Section */
.achievements-section {
  background: rgba(1,87,155,0.02);
  padding: 2rem 0 5rem 0;
}

.achievements-section h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--clr-primary);
  margin-bottom: 3rem;
  font-weight: 700;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.achievement-card {
  background: #fff;
  padding: 2.5rem 2rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 15px 35px rgba(0,0,0,0.08);
  transition: transform 0.3s ease;
}

.achievement-card:hover {
  transform: translateY(-8px);
}

.achievement-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: block;
}

.achievement-card h4 {
  font-size: 1.3rem;
  color: var(--clr-primary);
  margin-bottom: 1rem;
  font-weight: 600;
}

.achievement-card p {
  line-height: 1.6;
  color: #666;
}

.achievement-card.research {
  border-top: 5px solid #4caf50;
}

.achievement-card.international {
  border-top: 5px solid #2196f3;
}

.achievement-card.leadership {
  border-top: 5px solid var(--clr-secondary);
}

.achievement-card.academic {
  border-top: 5px solid var(--clr-primary);
}

/* Memberships Section */
.memberships-section {
  padding: 1rem 0 5rem 0;
}

.memberships-section h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--clr-primary);
  margin-bottom: 3rem;
  font-weight: 700;
}

.memberships-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.membership-item {
  background: #fff;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  border-left: 5px solid var(--clr-primary);
  transition: transform 0.3s ease;
}

.membership-item:hover {
  transform: translateY(-3px);
}

.membership-item.leadership {
  border-left-color: var(--clr-secondary);
}

.membership-item.international {
  border-left-color: #2196f3;
}

.membership-item.specialty {
  border-left-color: #4caf50;
}

.membership-item h4 {
  color: var(--clr-primary);
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.membership-item p {
  color: #666;
  line-height: 1.5;
  margin: 0;
}

/* Services CTA */
.services-cta {
  background: linear-gradient(135deg, var(--clr-primary) 0%, #1976d2 100%);
  color: #fff;
  padding: 4rem 0;
  text-align: center;
}

.services-cta h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.services-cta p {
  font-size: 1.2rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  margin-left: auto;
  margin-right: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
  .bio-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .bio-image {
    position: static;
  }
  
  .academic-badges {
    gap: 0.5rem;
  }
  
  .academic-badge {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }
  
  .specialties-grid {
    grid-template-columns: 1fr;
  }
  
  .publications-summary {
    gap: 1rem;
  }
  
  .bio-section {
    margin-bottom: 2rem;
  }
  
  .achievements-grid {
    grid-template-columns: 1fr;
  }
  
  .achievements-section {
    padding: 2rem 0;
  }
  
  .achievements-section h2 {
    margin-bottom: 1.5rem;
  }
  
  .memberships-grid {
    grid-template-columns: 1fr;
  }
  
  .memberships-section {
    padding: 1rem 0 5rem 0;
  }
  
  .memberships-section h2 {
    margin-bottom: 1.5rem;
  }
  
  .education-timeline {
    padding-left: 1.5rem;
  }
  
  .timeline-item::before {
    left: -1.7rem;
  }
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cta-primary {
  background: var(--clr-secondary);
  color: #fff;
  padding: 1.2rem 2.5rem;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(66,165,245,0.3);
  transition: all 0.3s ease;
}

.cta-primary:hover {
  background: #1e88e5;
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(66,165,245,0.4);
}

.cta-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.3);
  padding: 1.2rem 2.5rem;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cta-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
  transform: translateY(-3px);
}

.phone-icon {
  font-size: 1rem;
}

@media (max-width: 768px) {
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-primary,
  .cta-secondary {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }
}

/* ─── Publications CTA ─── */
.publications-cta {
  text-align: center;
  margin-top: 2rem;
}

.publications-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--clr-primary);
  color: white;
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  border: 2px solid var(--clr-primary);
}

.publications-btn:hover {
  background: #2c5aa0;
  border-color: #2c5aa0;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.btn-icon {
  font-size: 1.2rem;
}