/* Über Mich / Professional Section Styles */
#ueber-mich, #berufserfahrung, #weiterbildungen, #kenntnisse, #kontakt {
  margin-bottom: 2rem;
  padding: 1rem;
  background-color: var(--white);
  border-radius: 16px;
  box-shadow: 0 4px 24px var(--primary-alpha-10);
  text-align: left;
  position: relative;
  overflow: visible;
}

/* Professional Cubic Über Mich Section - Footer Colors */
#ueber-mich {
  background: var(--primary-color);
  color: var(--white);
  border-radius: 0;
  box-shadow: 0 8px 32px var(--primary-alpha-30);
  position: relative;
  overflow: hidden;
  margin-bottom: 2rem;
}

.professional-header {
  text-align: center;
  padding: 3rem 2rem 2rem;
  background: var(--gradient-primary);
  position: relative;
}
.professional-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-color);
}
.professional-header h2 {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--white);
  margin: 0 0 1rem 0;
  letter-spacing: -0.5px;
}
.professional-subtitle {
  font-size: 1.3rem;
  color: var(--white);
  opacity: 0.9;
  margin: 0;
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
}
.professional-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  background: var(--white);
  color: var(--neutral-darker);
}

/* Expert Profile Card */
.expert-profile-card {
  background: var(--primary-color);
  color: var(--white);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 400px;
  position: relative;
  overflow: hidden;
}
.expert-photo-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('ramirez.jpg') center center/cover no-repeat;
  opacity: 0.15;
  z-index: 0;
  pointer-events: none;
  filter: blur(0.5px);
}
.expert-profile-card > *:not(.expert-photo-bg) {
  position: relative;
  z-index: 1;
}
.expert-header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.expert-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.expert-photo {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--accent-color);
  background: var(--white);
  box-shadow: 0 4px 32px rgba(0,0,0,0.18);
  z-index: 2;
}
.expert-info {
  flex: 1;
}
.expert-info h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin: 0 0 0.5rem 0;
  color: var(--white);
}
.expert-info p {
  font-size: 1.1rem;
  margin: 0 0 1rem 0;
  color: var(--accent-color);
  font-weight: 600;
}
.certification-badges {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  align-items: center;
  margin-top: 1rem;
}
.cert-badge {
  height: 60px;
  width: auto;
  background: var(--white);
  padding: 6px 10px;
  border-radius: 8px;
  box-shadow: 0 2px 8px var(--primary-alpha-10);
}
.expert-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: auto;
}
.highlight-item {
  text-align: center;
  padding: 1rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
}
.highlight-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-color);
  margin-bottom: 0.3rem;
}
.highlight-text {
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.9;
}

/* Services Overview */
.services-overview {
  background: var(--white);
  padding: 2.5rem;
  border-left: 3px solid var(--accent-color);
}
.services-overview h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 0 0 2rem 0;
  text-align: center;
}
.service-blocks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.service-block {
  background: var(--neutral-light);
  padding: 1.5rem;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  position: relative;
}
.service-block:hover {
  border-color: var(--accent-color);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--primary-alpha-20);
}
.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}
.service-block h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 0 0 0.8rem 0;
}
.service-block p {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--neutral-darker);
  margin: 0;
  opacity: 0.8;
}

/* Qualifications Card */
.qualifications-card {
  background: var(--primary-color);
  color: var(--white);
  padding: 2.5rem;
  border-top: 3px solid var(--accent-color);
}
.qualifications-card h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 2rem 0;
  text-align: center;
}
.qualification-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.qual-item {
  background: rgba(255,255,255,0.1);
  padding: 1rem;
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 0.95rem;
  line-height: 1.4;
}
.qual-item strong {
  color: var(--accent-color);
  font-weight: 700;
}

/* CV Timeline Styles */
.cv-timeline {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
  max-height: 400px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.cv-timeline::-webkit-scrollbar {
  width: 6px;
}

.cv-timeline::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
}

.cv-timeline::-webkit-scrollbar-thumb {
  background: var(--accent-color);
  border-radius: 3px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  padding: 1rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
}

.timeline-item:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--accent-color);
  transform: translateX(5px);
}

.timeline-year {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-color);
  text-align: center;
  padding: 0.5rem;
  background: rgba(255,255,255,0.1);
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.2);
  align-self: start;
}

.timeline-content {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.timeline-content strong {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.2rem;
}

.timeline-content p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  margin: 0;
  line-height: 1.4;
}

/* About Section Styles */
.about-section {
  background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.08) 100%);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  padding: 2rem;
  margin-top: 1.5rem;
  position: relative;
  overflow: hidden;
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-color) 0%, rgba(255,255,255,0.3) 100%);
}

.about-section h4 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-color);
  margin: 0 0 1.5rem 0;
  text-align: center;
  position: relative;
}

.about-section h4::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--accent-color);
  opacity: 0.6;
}

.about-section p {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.9);
  margin: 0 0 1.2rem 0;
  text-align: justify;
  position: relative;
}

.about-section p:last-child {
  margin-bottom: 0;
}

.about-section p::first-letter {
  font-size: 1.2em;
  font-weight: 700;
  color: var(--accent-color);
}

/* About Introduction Section */
.about-intro-section {
  background: var(--white);
  padding: 4rem 0;
  margin: 0;
}

.about-intro-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.about-intro-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: center;
}

.about-intro-image {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.about-intro-photo {
  width: 280px;
  height: 280px;
  object-fit: cover;
  border-radius: 50%;
  border: 6px solid var(--primary-color);
  box-shadow: 0 8px 32px var(--primary-alpha-20);
  transition: all 0.3s ease;
}

.about-intro-photo:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 48px var(--primary-alpha-30);
}

.about-intro-badges {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.about-intro-badge {
  height: 70px;
  width: auto;
  background: var(--white);
  padding: 8px 12px;
  border-radius: 12px;
  box-shadow: 0 4px 16px var(--primary-alpha-15);
  transition: all 0.3s ease;
}

.about-intro-badge:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--primary-alpha-25);
}

.about-intro-text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-intro-text h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-color);
  margin: 0;
  position: relative;
}

.about-intro-text h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--accent-color);
  border-radius: 2px;
}

.about-intro-text p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--neutral-darker);
  margin: 0;
  text-align: justify;
}

.about-intro-text p:first-of-type::first-letter {
  font-size: 1.4em;
  font-weight: 700;
  color: var(--primary-color);
  float: left;
  line-height: 1;
  margin-right: 4px;
  margin-top: 2px;
}

.about-intro-cta {
  margin-top: 1rem;
}

.about-intro-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--primary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px var(--primary-alpha-20);
}

.about-intro-button:hover {
  background: var(--primary-darker);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--primary-alpha-30);
  color: var(--white);
}

.about-intro-button::after {
  content: '→';
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.about-intro-button:hover::after {
  transform: translateX(4px);
}

/* Hidden section class for JavaScript navigation */
.about-intro-section.hidden-section {
  display: none !important;
}

/* Technical Expertise */
.technical-expertise {
  background: var(--white);
  padding: 2.5rem;
  border-left: 3px solid var(--accent-color);
  border-top: 3px solid var(--accent-color);
}
.technical-expertise h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 0 0 2rem 0;
  text-align: center;
}
.tech-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.tech-category h4 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 0 0 1rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-color);
}
.tech-category ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.tech-category li {
  background: var(--neutral-light);
  padding: 0.8rem 1rem;
  margin-bottom: 0.5rem;
  border-left: 3px solid var(--accent-color);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.3s ease;
}
.tech-category li:hover {
  background: var(--primary-alpha-10);
  transform: translateX(5px);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .professional-grid {
    grid-template-columns: 1fr;
  }
  .service-blocks,
  .qualification-grid,
  .tech-categories {
    grid-template-columns: 1fr;
  }
  .expert-highlights {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .timeline-item {
    grid-template-columns: 100px 1fr;
    gap: 1rem;
  }
  
  .timeline-year {
    font-size: 0.8rem;
  }
  
  .about-section {
    padding: 1.5rem;
  }
  
  .about-intro-content {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .about-intro-photo {
    width: 240px;
    height: 240px;
  }
  
  .about-intro-text h2 {
    font-size: 2.2rem;
  }
  
  .about-intro-text h2::after {
    left: 50%;
    transform: translateX(-50%);
  }
}
@media (max-width: 768px) {
  .professional-header {
    padding: 2rem 1rem 1.5rem;
  }
  .professional-header h2 {
    font-size: 2.2rem;
  }
  .professional-subtitle {
    font-size: 1.1rem;
  }
  .expert-profile-card,
  .services-overview,
  .qualifications-card,
  .technical-expertise {
    padding: 2rem 1.5rem;
  }
  .expert-header {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
    align-items: center;
  }
  .expert-left {
    align-items: center;
  }
  .expert-highlights {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }
  .service-blocks {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .timeline-item {
    grid-template-columns: 80px 1fr;
    gap: 0.8rem;
    padding: 0.8rem;
  }
  
  .timeline-year {
    font-size: 0.75rem;
    padding: 0.3rem;
  }
  
  .timeline-content strong {
    font-size: 0.9rem;
  }
  
  .timeline-content p {
    font-size: 0.8rem;
  }
  
  .about-section {
    padding: 1.2rem;
  }
  
  .about-section h4 {
    font-size: 1.2rem;
  }
  
  .about-section p {
    font-size: 0.9rem;
    text-align: left;
  }
  
  .about-intro-section {
    padding: 3rem 0;
  }
  
  .about-intro-container {
    padding: 0 1.5rem;
  }
  
  .about-intro-content {
    gap: 2.5rem;
  }
  
  .about-intro-photo {
    width: 200px;
    height: 200px;
  }
  
  .about-intro-text h2 {
    font-size: 2rem;
  }
  
  .about-intro-text p {
    font-size: 1rem;
    text-align: left;
  }
  
  .about-intro-button {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
  }
}
@media (max-width: 480px) {
  .professional-header {
    padding: 1.5rem 1rem;
  }
  .professional-header h2 {
    font-size: 1.8rem;
  }
  .professional-subtitle {
    font-size: 1rem;
  }
  .expert-profile-card,
  .services-overview,
  .qualifications-card,
  .technical-expertise {
    padding: 1.5rem 1rem;
  }
  .expert-photo {
    width: 80px;
    height: 80px;
  }
  .expert-info h3 {
    font-size: 1.5rem;
  }
  .highlight-number {
    font-size: 1.5rem;
  }
  .highlight-text {
    font-size: 0.8rem;
  }
  
  .cv-timeline {
    max-height: 300px;
  }
  
  .timeline-item {
    grid-template-columns: 70px 1fr;
    gap: 0.6rem;
    padding: 0.6rem;
  }
  
  .timeline-year {
    font-size: 0.7rem;
    padding: 0.2rem;
  }
  
  .timeline-content strong {
    font-size: 0.85rem;
  }
  
  .timeline-content p {
    font-size: 0.75rem;
    line-height: 1.3;
  }
  
  .about-section {
    padding: 1rem;
    margin-top: 1rem;
  }
  
  .about-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
  }
  
  .about-section p {
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 1rem;
  }
  
  .about-intro-section {
    padding: 2rem 0;
  }
  
  .about-intro-container {
    padding: 0 1rem;
  }
  
  .about-intro-content {
    gap: 2rem;
  }
  
  .about-intro-photo {
    width: 160px;
    height: 160px;
    border-width: 4px;
  }
  
  .about-intro-badges {
    gap: 0.5rem;
  }
  
  .about-intro-badge {
    height: 50px;
    padding: 6px 8px;
  }
  
  .about-intro-text h2 {
    font-size: 1.8rem;
  }
  
  .about-intro-text p {
    font-size: 0.9rem;
    line-height: 1.6;
  }
  
  .about-intro-button {
    padding: 0.7rem 1.2rem;
    font-size: 0.85rem;
  }
}
#ueber-mich h2, #leistungen h2, #berufserfahrung h2, #weiterbildungen h2, #kenntnisse h2, #kontakt h2 {
  color: var(--primary-color);
}