/* ============================================
   ABOUT PAGE SPECIFIC STYLES
   ============================================ */

/* About Hero (3-col: bio | photo | quick details) */
.about-hero {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-xl);
  align-items: start;
  padding: var(--space-xl) 0;
}

.about-hero__bio h1 {
  font-family: var(--font-display);
  font-size: var(--text-page);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.about-hero__bio p {
  font-family: var(--font-body);
  font-size: var(--text-lead);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.about-hero__bio p:last-of-type {
  margin-bottom: var(--space-xl);
}

.about-hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Photo column (center, sticky) */
.about-hero__image {
  position: sticky;
  top: 120px;
  width: 300px;
}

.about-hero__placeholder {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
}

.about-hero__placeholder svg {
  width: 100%;
  height: 100%;
}

.about-hero__image img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: transform var(--transition-slow), filter var(--transition-slow);
}

.about-hero__image:hover img {
  transform: scale(1.02);
  filter: brightness(1.05);
}

/* Quick details column (right) */
.about-hero__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding-top: var(--space-xl);
}

.about-hero__detail-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.about-hero__detail-label {
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.about-hero__detail-value {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* Section styling */
.about-section {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--border);
}

.about-section__title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-xl);
  color: var(--accent);
}

/* Education */
.education-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.education-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.education-item__logo {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  transition: transform 0.3s ease;
}

.education-item:hover .education-item__logo {
  transform: scale(1.1) rotate(5deg);
}

.education-item__logo svg {
  width: 100%;
  height: 100%;
}

.education-item__content h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.education-item__degree {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.education-item__details {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.education-item__meta {
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Skills Layout (2-col: grid left, description right) */
.skills-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.skill-category h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--accent);
}

.skill-category ul {
  list-style: none;
}

.skill-category li {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s ease, transform 0.2s ease, padding-left 0.2s ease;
  cursor: default;
}

.skill-category li:hover {
  color: var(--text-primary);
  padding-left: var(--space-sm);
}

/* Skills description (right side with border accent) */
.skills-description {
  padding-top: var(--space-lg);
}

.skills-description__text {
  font-family: var(--font-body);
  font-size: var(--text-lead);
  color: var(--text-secondary);
  line-height: 1.7;
  padding-left: var(--space-lg);
  border-left: 2px solid var(--accent);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: var(--space-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(
    to bottom,
    var(--accent) 0%,
    rgba(59, 130, 246, 0.2) 100%
  );
}

/* Timeline line animation support */
.timeline-anim::before {
  height: var(--line-height, 100%);
  bottom: auto;
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-xl);
}

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

.timeline-item__marker {
  position: absolute;
  left: calc(-1 * var(--space-xl) - 4px);
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--bg-primary);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Timeline item hover - dot grows */
.timeline-item:hover .timeline-item__marker {
  transform: scale(1.4);
  box-shadow: 0 0 0 4px var(--bg-primary), 0 0 0 8px rgba(59, 130, 246, 0.2);
}

/* Timeline content highlight on hover */
.timeline-item__content {
  transition: transform 0.3s ease;
}

.timeline-item:hover .timeline-item__content {
  transform: translateX(4px);
}

.timeline-item__content {
  padding-left: var(--space-md);
}

.timeline-item__date {
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-item__content h3 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 500;
  margin: var(--space-xs) 0;
}

.timeline-item__org {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.timeline-item__desc {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Personal Section */
.about-personal {
  background: var(--bg-secondary);
  margin: var(--space-2xl) calc(-1 * var(--space-lg));
  padding: var(--space-2xl) var(--space-lg);
  border-radius: var(--radius-lg);
  border-top: none;
}

.about-personal__content {
  max-width: 700px;
}

.about-personal h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.about-personal p {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.about-personal em {
  color: var(--accent);
  font-style: italic;
}

/* Personal card hover effect */
.about-personal {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-personal:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(59, 130, 246, 0.1);
}

/* Stats section styling */
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-xl);
}

.about-stat {
  text-align: center;
}

.about-stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.about-stat__label {
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Responsive */
@media (max-width: 1024px) {
  .about-hero {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .about-hero__details {
    grid-column: 1 / -1;
    flex-direction: row;
    flex-wrap: wrap;
    padding-top: 0;
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border);
  }

  .about-hero__image {
    position: static;
    width: 100%;
  }

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

@media (max-width: 900px) {
  .about-hero {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .about-hero__image {
    position: static;
    max-width: 300px;
    order: -1;
  }

  .about-hero__placeholder {
    aspect-ratio: 1 / 1;
  }

  .about-hero__image img {
    aspect-ratio: 1 / 1;
  }

  .about-hero__details {
    grid-column: auto;
  }

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

@media (max-width: 768px) {
  .about-stats {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about-stat__number {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
  }
}

@media (max-width: 600px) {
  .education-item {
    flex-direction: column;
    gap: var(--space-md);
  }

  .timeline {
    padding-left: var(--space-lg);
  }

  .timeline-item__marker {
    left: calc(-1 * var(--space-lg) - 4px);
  }

  /* Prevent horizontal overflow from negative margins */
  .about-personal {
    margin: var(--space-xl) 0;
    padding: var(--space-xl) var(--space-md);
    border-radius: var(--radius-md);
  }

  .about-hero__actions {
    flex-direction: column;
  }

  .about-hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

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

  /* Ensure text doesn't overflow */
  .about-hero__bio h1,
  .about-section__title,
  .timeline-item__content h3,
  .education-item__content h3 {
    word-wrap: break-word;
    overflow-wrap: break-word;
  }
}