/* Principal container */
.about-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-bottom: var(--spacing-4xl);
}

/* Header */
.about-header {
  padding: var(--spacing-4xl) 0 var(--spacing-2xl);
  text-align: center;
}

.about-header-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-title {
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: var(--spacing-lg);
  color: var(--color-slate-100);
  line-height: 1.1;
}

.about-title-gradient {
  background: linear-gradient(to right, var(--color-indigo-400), #60a5fa, var(--color-cyan-400));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

/* Introduction Section */
.about-intro {
  margin-bottom: var(--spacing-3xl);
}

.about-intro-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-image-container {
  flex-shrink: 0;
}

.about-image {
  width: 280px;
  height: 280px;
  border-radius: var(--border-radius-lg);
  object-fit: cover;
  border: 2px solid rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.2);
  transition: var(--transition);
}

.about-image:hover {
  transform: scale(1.02);
  border-color: rgba(6, 182, 212, 0.5);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(6, 182, 212, 0.3);
}

.about-text {
  max-width: 650px;
}

.about-section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-slate-100);
  margin-bottom: var(--spacing-lg);
}

.section-title-gradient {
  background: linear-gradient(to right, var(--color-indigo-400), var(--color-cyan-400));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about-description {
  color: var(--color-slate-300);
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.about-cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

/* Timeline for experience and education */
.about-experience,
.about-education {
  margin-bottom: var(--spacing-3xl);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: var(--spacing-2xl) auto 0;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-indigo-500), var(--color-cyan-500));
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: var(--spacing-2xl);
}

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

.timeline-marker {
  position: absolute;
  left: 11px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-indigo-500), var(--color-cyan-500));
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.5);
  z-index: 1;
}

.timeline-content {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.5), rgba(15, 23, 42, 0.5));
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.timeline-content:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.1);
}

.timeline-period {
  display: inline-block;
  background: linear-gradient(to right, var(--color-indigo-500), var(--color-cyan-500));
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 9999px;
  margin-bottom: var(--spacing-md);
}

.timeline-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-100);
  margin-bottom: var(--spacing-xs);
}

.timeline-company {
  color: var(--color-slate-400);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.timeline-description {
  color: var(--color-slate-300);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Skills Section */
.about-skills {
  margin-bottom: var(--spacing-3xl);
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.skill-category {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.5), rgba(15, 23, 42, 0.5));
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  transition: var(--transition-slow);
}

.skill-category:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.1);
}

.skill-category-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-100);
  margin-bottom: var(--spacing-lg);
  position: relative;
  display: inline-block;
}

.skill-category-title::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(to right, var(--color-indigo-500), var(--color-cyan-500));
  border-radius: 3px;
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* Interests Section */
.about-interests {
  margin-bottom: var(--spacing-3xl);
}

.interests-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.interest-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.5), rgba(15, 23, 42, 0.5));
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.interest-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.1);
}

.interest-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.interest-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-100);
  margin-bottom: var(--spacing-md);
}

.interest-description {
  color: var(--color-slate-300);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Final CTA */
.about-cta-section {
  margin-top: var(--spacing-4xl);
}

.about-cta-container {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(6, 182, 212, 0.3));
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  backdrop-filter: blur(12px);
  box-shadow: 0 25px 50px rgba(99, 102, 241, 0.1);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.about-cta-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-slate-100);
  margin-bottom: var(--spacing-lg);
}

.about-cta-description {
  color: var(--color-slate-300);
  margin-bottom: var(--spacing-xl);
  font-size: 1.125rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Media queries */
@media (min-width: 768px) {
  .about-intro-content {
    flex-direction: row;
  }
  
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .interests-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .about-cta {
    flex-direction: row;
  }
  
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .timeline-item {
    padding-left: 0;
    padding-right: 0;
    width: 50%;
    margin-left: auto;
    margin-right: auto;
  }
  
  .timeline-item:nth-child(odd) {
    padding-right: var(--spacing-2xl);
    padding-left: 0;
    text-align: left;
  }
  
  .timeline-item:nth-child(even) {
    padding-left: var(--spacing-2xl);
    padding-right: 0;
    text-align: left;
  }
  
  .timeline-marker {
    left: auto;
    top: 10px;
    right: 0;
    transform: translateX(50%);
  }
  
  .timeline-item:nth-child(even) .timeline-marker {
    right: auto;
    left: 0;
    transform: translateX(-50%);
  }
}

@media (max-width: 768px) {
  .about-title {
    font-size: 3rem;
  }
  
  .about-section-title {
    font-size: 2rem;
  }
  
  .about-cta-title {
    font-size: 1.75rem;
  }
  
  .about-description,
  .about-cta-description {
    font-size: 1rem;
  }
  
  .interest-card,
  .skill-category,
  .timeline-content {
    padding: var(--spacing-lg);
  }
}

.timeline-content,
.skill-category,
.interest-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.9));
  border: 1px solid rgba(226, 232, 240, 0.6);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.timeline-content:hover,
.skill-category:hover,
.interest-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.06);
}

.about-cta-container {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(6, 182, 212, 0.1));
  border: 1px solid rgba(99, 102, 241, 0.2);
  backdrop-filter: blur(12px);
  box-shadow: 0 25px 50px rgba(99, 102, 241, 0.08);
}

/* Dark theme for about */
[data-theme="dark"] .timeline-content,
[data-theme="dark"] .skill-category,
[data-theme="dark"] .interest-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.5), rgba(15, 23, 42, 0.5));
  border: 1px solid rgba(148, 163, 184, 0.2);
}

[data-theme="dark"] .timeline-content:hover,
[data-theme="dark"] .skill-category:hover,
[data-theme="dark"] .interest-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.1);
}

[data-theme="dark"] .about-cta-container {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(6, 182, 212, 0.3));
  border: 1px solid rgba(99, 102, 241, 0.3);
  box-shadow: 0 25px 50px rgba(99, 102, 241, 0.1);
}