/* Enhanced CSS with better responsive design and animations */

/* Timeline styles for experience */
.timeline {
  position: relative;
  padding: var(--space-md) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
}

body[dir="rtl"] .timeline::before {
  left: auto;
  right: 20px;
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-xl);
  padding-left: 50px;
}

body[dir="rtl"] .timeline-item {
  padding-left: 0;
  padding-right: 50px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--card);
  z-index: 2;
}

body[dir="rtl"] .timeline-item::before {
  left: auto;
  right: 14px;
}

.timeline-content {
  background: rgba(255,255,255,0.03);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.05);
  transition: all 0.3s ease;
}

.timeline-content:hover {
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

.timeline-item h3 {
  margin-bottom: var(--space-xs);
  color: var(--text);
}

.timeline-item .period {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.timeline-item p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* Skills grid improvements */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.skill-group {
  background: rgba(255,255,255,0.03);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.05);
}

.skill-group h3 {
  color: var(--primary);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

.skill-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.skill-group li {
  padding: var(--space-xs) 0;
  color: var(--muted);
  position: relative;
  padding-left: var(--space-md);
}

body[dir="rtl"] .skill-group li {
  padding-left: 0;
  padding-right: var(--space-md);
}

.skill-group li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}

body[dir="rtl"] .skill-group li::before {
  left: auto;
  right: 0;
}

/* Projects grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.project-item {
  background: rgba(255,255,255,0.03);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.05);
  transition: all 0.3s ease;
}

.project-item:hover {
  background: rgba(255,255,255,0.05);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-sm);
}

.project-item h3 {
  margin: 0;
  font-size: 1.1rem;
}

.project-item a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.project-item a:hover {
  color: var(--secondary);
}

.tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.tag {
  background: rgba(72,198,239,0.2);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.project-item p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

/* Certifications grid */
.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-lg);
}

.cert-item {
  background: rgba(255,255,255,0.03);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.05);
  transition: all 0.3s ease;
}

.cert-item:hover {
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

.cert-item h3 {
  margin: 0 0 var(--space-sm) 0;
  color: var(--text);
  font-size: 1.1rem;
}

.cert-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
}

.cert-meta .issuer {
  color: var(--primary);
  font-weight: 600;
}

.cert-meta .date {
  color: var(--accent);
  font-weight: 500;
}

.cert-item p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.5;
}

/* Enhanced mobile responsiveness */
@media (max-width: 768px) {
  .skills-grid,
  .projects-grid,
  .certifications-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline-item {
    padding-left: 35px;
  }
  
  body[dir="rtl"] .timeline-item {
    padding-left: 0;
    padding-right: 35px;
  }
  
  .timeline::before {
    left: 14px;
  }
  
  body[dir="rtl"] .timeline::before {
    left: auto;
    right: 14px;
  }
  
  .timeline-item::before {
    left: 8px;
  }
  
  body[dir="rtl"] .timeline-item::before {
    left: auto;
    right: 8px;
  }
  
  .project-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }
  
  .cert-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
}

/* Smooth scrolling and animations */
html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus improvements for accessibility */
.tab:focus,
button:focus,
a:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Loading states */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Hero contrast and spacing fixes */
:root { --hero-shadow: 0 2px 18px rgba(0,0,0,.45); }
header .hero h1 { text-shadow: var(--hero-shadow); }
header .subtitle { text-shadow: var(--hero-shadow); }
body.theme-light header .hero h1 { color: #0b1220; text-shadow: 0 2px 12px rgba(0,0,0,.12); }
body.theme-light header .subtitle { -webkit-text-fill-color: initial; color: #0b1220; text-shadow: 0 1px 8px rgba(0,0,0,.08); }
.contacts { margin-bottom: var(--space-lg); gap: calc(var(--space-sm) + 4px); }
.contacts .contact-item { display: inline-flex; align-items: center; gap: 8px; }
.tabs { margin-top: var(--space-md); }
main .content-section:first-of-type { margin-top: var(--space-xl); }

/* Print refinements */
@media print {
  /* existing rules ... */
  .content-section { break-inside: avoid; page-break-inside: avoid; margin-bottom: 12pt; }
  header { page-break-after: avoid; }
  body { margin: 0 !important; }
  .contacts { margin-bottom: 8pt !important; }
  .content-section h2 { margin-top: 8pt; margin-bottom: 6pt; }
  #skills-list, #projects-list, #certifications-list { columns: 2; column-gap: 16pt; }
  #skills-list > *, #projects-list > *, #certifications-list > * { break-inside: avoid; }
  main::after { content: none !important; display: none !important; }
}