/* === BIO PAGE === */

.bio-hero {
  position: relative;
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl);
  overflow: hidden;
}

.bio-hero-content {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto;
}

.bio-hero h1 {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.bio-hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Profile Card */
.bio-profile {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.bio-profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-2xl);
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
}

.bio-avatar {
  flex-shrink: 0;
}

.bio-avatar-inner {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: var(--text-2xl);
}

.bio-profile-info h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-xs);
}

.bio-role {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.bio-profile-links {
  display: flex;
  gap: var(--space-md);
}

.bio-profile-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  font-size: var(--text-base);
  transition: all var(--transition);
}

/* Auf hellem Grund gelten die echten Markenfarben der Dienste. */
.bio-profile-links a[aria-label="LinkedIn"] { color: var(--brand-linkedin); }
.bio-profile-links a[aria-label="GitHub"]   { color: var(--brand-github); }
.bio-profile-links a[aria-label="E-Mail"]   { color: var(--brand-mail); }

.bio-profile-links a:hover {
  border-color: currentColor;
  background: rgba(12, 125, 176, 0.05);
  transform: translateY(-2px);
}

/* Bio Content */
.bio-content-grid {
  padding: var(--space-2xl);
}

.bio-intro {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.bio-intro p {
  font-size: var(--text-lg);
  color: var(--color-text);
  line-height: 1.8;
}

/* Timeline */
.bio-timeline h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-xl);
}

.timeline-item {
  display: flex;
  gap: var(--space-lg);
  padding-bottom: var(--space-2xl);
  position: relative;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  flex-shrink: 0;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--gradient);
  margin-top: 0.375rem;
  position: relative;
}

.timeline-item:not(:last-child) .timeline-marker::after {
  content: '';
  position: absolute;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: calc(100% + var(--space-2xl) - 1rem);
  background: var(--color-border);
}

.timeline-content {
  flex: 1;
}

.timeline-date {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-blue);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-content h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.timeline-content p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Skills */
.bio-skills {
  padding: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.bio-skills h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-xl);
}

.bio-skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: var(--space-xl);
}

.bio-skill-category h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.bio-skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.bio-skill-tag {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-blue);
  background: rgba(12, 125, 176, 0.06);
  border: 1px solid rgba(12, 125, 176, 0.15);
  border-radius: 100px;
  transition: all var(--transition);
}

.bio-skill-tag:hover {
  background: rgba(12, 125, 176, 0.12);
  border-color: rgba(12, 125, 176, 0.3);
}

/* Tech Icons */
.bio-tech-icons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.bio-tech-icons img {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
  opacity: 0.6;
  transition: all var(--transition);
  filter: grayscale(0.5);
}

.bio-tech-icons img:hover {
  opacity: 1;
  filter: grayscale(0);
  transform: scale(1.15);
}

/* Responsive */
@media (max-width: 768px) {
  .bio-profile-header {
    flex-direction: column;
    text-align: center;
    padding: var(--space-xl);
  }

  .bio-profile-links {
    justify-content: center;
  }

  .bio-content-grid {
    padding: var(--space-lg);
  }

  .bio-skills {
    padding: var(--space-lg);
  }

  .bio-tech-icons {
    padding: var(--space-lg);
    gap: var(--space-md);
  }

  .bio-skills-grid {
    grid-template-columns: 1fr;
  }
}