/**
 * Styles pour la page Compétences
 * Version: 1.0
 * Modernisation selon le PRP compétences
 */

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--primary-light) 100%);
  padding: var(--space-16) 0;
  margin-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

.stat-item {
  text-align: center;
  padding: var(--space-4);
}

.stat-number {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== SECTIONS COMMUNES ===== */
.section-title {
  text-align: center;
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-12);
  color: var(--text-primary);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: var(--radius-full);
}

/* ===== COMPÉTENCES PRINCIPALES ===== */
.main-skills {
  padding: var(--space-16) 0;
  background-color: var(--bg-primary);
}

.skills-highlight {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.skill-highlight-card {
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.skill-highlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.skill-highlight-card.primary {
  background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(37, 99, 235, 0.05) 100%);
  border: 1px solid rgba(37, 99, 235, 0.1);
}

.skill-highlight-card.primary::before {
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.skill-highlight-card.secondary {
  background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(14, 165, 233, 0.05) 100%);
  border: 1px solid rgba(14, 165, 233, 0.1);
}

.skill-highlight-card.secondary::before {
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
}

.skill-highlight-card.tertiary {
  background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(100, 116, 139, 0.05) 100%);
  border: 1px solid rgba(100, 116, 139, 0.1);
}

.skill-highlight-card.tertiary::before {
  background: linear-gradient(90deg, var(--secondary), var(--secondary-light));
}

.skill-highlight-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.skill-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  display: block;
}

.skill-highlight-card h3 {
  color: var(--text-primary);
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.skill-highlight-card p {
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  line-height: var(--leading-relaxed);
}

.skill-versions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.version-tag {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid var(--secondary-light);
}

/* ===== COMPÉTENCES DÉTAILLÉES ===== */
.detailed-skills {
  padding: var(--space-16) 0;
  background-color: var(--bg-secondary);
}

.skills-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-3) var(--space-6);
  border: 2px solid var(--secondary-light);
  background: var(--bg-primary);
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-8);
}

.skill-category-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow);
  transition: all var(--transition-normal);
  border: 1px solid var(--secondary-light);
}

.skill-category-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.skill-category-card.hidden {
  display: none;
}

.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--bg-secondary);
}

.category-title {
  color: var(--primary);
  font-size: var(--text-2xl);
  font-weight: 600;
  margin: 0;
}

.category-icon {
  font-size: 2rem;
  opacity: 0.7;
}

.skill-group {
  margin-bottom: var(--space-6);
}

.skill-group:last-child {
  margin-bottom: 0;
}

.group-title {
  color: var(--text-primary);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  padding-left: var(--space-3);
  border-left: 3px solid var(--accent);
}

.skills-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
}

.skill-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  position: relative;
}

.skill-item:hover {
  background: var(--primary);
  color: var(--text-inverse);
  transform: translateX(4px);
}

.skill-name {
  font-weight: 500;
  font-size: var(--text-sm);
}

.skill-versions-tooltip {
  position: relative;
}

.versions-indicator {
  color: var(--accent);
  font-weight: bold;
  cursor: help;
  font-size: var(--text-sm);
}

.skill-item:hover .versions-indicator {
  color: var(--text-inverse);
}

.tooltip-content {
  position: absolute;
  bottom: 100%;
  right: 0;
  /* Défaut robuste + fallback si la variable n'est pas définie */
  background: var(--bg-dark, rgba(15, 23, 42, 0.95));
  color: var(--text-inverse);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: var(--z-tooltip);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-primary);
}

.skill-versions-tooltip:hover .tooltip-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.tooltip-content strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--accent-light);
}

.version-item {
  display: inline-block;
  background: rgba(255, 255, 255, 0.3);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  margin: var(--space-1) var(--space-1) 0 0;
  font-size: var(--text-xs);
}

/* ===== SECTION EXPERTISE ===== */
.expertise-section {
  padding: var(--space-16) 0;
  background: var(--bg-primary);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.expertise-card {
  background: var(--bg-primary);
  border: 1px solid var(--secondary-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(37, 99, 235, 0.02) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.expertise-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-8px);
}

.expertise-card:hover::before {
  opacity: 1;
}

.expertise-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  display: block;
}

.expertise-card h3 {
  color: var(--primary);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.expertise-card p {
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  line-height: var(--leading-relaxed);
}

.expertise-tools {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}

.expertise-tools li {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid var(--secondary-light);
  transition: all var(--transition-fast);
}

.expertise-card:hover .expertise-tools li {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}

/* ===== CALL TO ACTION ===== */
.cta-section {
  padding: var(--space-16) 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: var(--text-inverse);
  text-align: center;
}

.cta-content h2 {
  color: var(--text-inverse);
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.cta-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--text-xl);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-section .btn-primary {
  background: var(--text-inverse);
  color: var(--primary);
  border-color: var(--text-inverse);
}

.cta-section .btn-primary:hover {
  background: var(--bg-secondary);
  color: var(--primary-dark);
}

.cta-section .btn-secondary {
  background: transparent;
  color: var(--text-inverse);
  border-color: var(--text-inverse);
}

.cta-section .btn-secondary:hover {
  background: var(--text-inverse);
  color: var(--primary);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.skill-category-card,
.skill-highlight-card,
.expertise-card {
  animation: fadeInUp 0.6s ease-out;
}

.skill-highlight-card:nth-child(2) {
  animation-delay: 0.1s;
}

.skill-highlight-card:nth-child(3) {
  animation-delay: 0.2s;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .skills-highlight {
    grid-template-columns: 1fr;
  }
  
  .expertise-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-8);
  }
  
  .hero-title {
    font-size: var(--text-4xl);
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    padding: var(--space-6);
  }
  
  .stat-number {
    font-size: var(--text-2xl);
  }
  
  .skills-filters {
    flex-direction: column;
    align-items: center;
  }
  
  .filter-btn {
    width: 200px;
  }
  
  .skills-list {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-12) 0;
  }
  
  .section-title {
    font-size: var(--text-3xl);
  }
  
  .skill-highlight-card,
  .skill-category-card,
  .expertise-card {
    padding: var(--space-6);
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .stat-item {
    padding: var(--space-3);
  }
}