/* ========================================
   PORTFOLIO FUTURISTE - STYLES COMPOSANTS
   Navigation, sections, cartes, formulaires, jeux
   ======================================== */

/* ========================================
   ÉCRAN DE CHARGEMENT
   ======================================== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
  color: var(--text-inverse);
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid var(--text-inverse);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-lg);
}

.loading-text {
  margin-bottom: var(--spacing-xl);
}

.typing-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  display: inline-block;
  border-right: 2px solid var(--text-inverse);
  animation: blink 1s infinite;
}

.loading-progress {
  width: 300px;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  margin: 0 auto;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  width: 0%;
  transition: width 0.3s ease;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--navbar-height);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-primary);
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: var(--bg-card);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.logo-subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-fast);
  position: relative;
  font-weight: var(--font-weight-medium);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background: rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
}

.nav-icon {
  font-size: var(--font-size-lg);
  filter: grayscale(1);
  transition: filter var(--transition-fast);
}

.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
  filter: grayscale(0);
}

.nav-text {
  font-size: var(--font-size-sm);
  white-space: nowrap;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: var(--border-radius-lg);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  transform: scale(1.05);
}

.theme-icon {
  font-size: var(--font-size-lg);
  position: absolute;
  transition: all var(--transition-fast);
}

.theme-icon.light {
  opacity: 1;
}

.theme-icon.dark {
  opacity: 0;
}

[data-theme="dark"] .theme-icon.light {
  opacity: 0;
}

[data-theme="dark"] .theme-icon.dark {
  opacity: 1;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 30px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.hamburger-line {
  width: 100%;
  height: 3px;
  background: var(--text-primary);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-normal);
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* ========================================
   SECTIONS PRINCIPALES
   ======================================== */
.main-content {
  margin-top: var(--navbar-height);
}

.section {
  min-height: 100vh;
  padding: var(--spacing-4xl) 0;
  display: flex;
  align-items: center;
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.section.active {
  opacity: 1;
  transform: translateY(0);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-4xl);
}

.section-title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

/* ========================================
   SECTION HERO
   ======================================== */
.hero-section {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  width: 100%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  min-height: 80vh;
}

.hero-text {
  color: var(--text-inverse);
}

.hero-title {
  margin-bottom: var(--spacing-xl);
}

.title-line {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  opacity: 0.9;
  margin-bottom: var(--spacing-sm);
}

.title-name {
  display: block;
  font-size: clamp(var(--font-size-4xl), 6vw, var(--font-size-6xl));
  font-weight: var(--font-weight-bold);
  background: linear-gradient(45deg, #ffffff, #a78bfa, #06b6d4);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 3s ease infinite;
  margin-bottom: var(--spacing-sm);
}

.title-role {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  opacity: 0.8;
}

.hero-description {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

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

.hero-avatar {
  position: relative;
}

.avatar-container {
  position: relative;
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 50%;
  filter: blur(20px);
  opacity: 0.6;
  animation: pulseGlow 2s ease-in-out infinite;
}

.avatar-image {
  position: relative;
  width: 180px;
  height: 180px;
  background: var(--bg-card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  z-index: 2;
}

.avatar-placeholder {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  text-align: center;
  width: 100%;
}

.stat-item {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-inverse);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-inverse);
  opacity: 0.8;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.scroll-indicator:hover {
  opacity: 1;
  transform: translateX(-50%) translateY(-5px);
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  animation: float 2s ease-in-out infinite;
}

.scroll-text {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ========================================
   SECTION À PROPOS
   ======================================== */
.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-4xl);
  align-items: start;
}

.about-card {
  padding: var(--spacing-2xl);
}

.about-card h3 {
  color: var(--primary-color);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}

.about-card p {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
}

.about-highlights {
  display: grid;
  gap: var(--spacing-md);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-fast);
}

.highlight-item:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  transform: translateX(5px);
}

.highlight-icon {
  font-size: var(--font-size-xl);
}

.skills-container h3 {
  color: var(--primary-color);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}

.skill-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.skill-badge {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--gradient-primary);
  color: var(--text-inverse);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.skill-badge:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}

/* ========================================
   SECTION PROJETS
   ======================================== */
.projects-section {
  background: var(--bg-secondary);
}

.project-filters {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-4xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid var(--border-primary);
  background: var(--bg-card);
  color: var(--text-secondary);
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: var(--font-weight-medium);
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

.project-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  border: 1px solid var(--border-primary);
  opacity: 1;
  transform: scale(1);
}

.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.project-card.hidden {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

.project-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.project-preview {
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.project-tech {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.project-tech span {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: var(--text-inverse);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--primary-color);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--border-radius-lg);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.project-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

.project-info {
  padding: var(--spacing-xl);
}

.project-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.project-description {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.project-tags {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-secondary);
  color: var(--text-tertiary);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

/* ========================================
   SECTION COMPÉTENCES
   ======================================== */
.skills-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.skills-chart {
  display: flex;
  justify-content: center;
  align-items: center;
}

#skills-canvas {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-xl);
  background: var(--bg-card);
  box-shadow: var(--shadow-lg);
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.skill-category h3 {
  color: var(--primary-color);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.skill-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-md);
  align-items: center;
}

.skill-name {
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.skill-bar {
  width: 200px;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  position: relative;
}

.skill-progress {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  width: 0%;
  transition: width 1s ease;
  position: relative;
}

.skill-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

.skill-percentage {
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  font-size: var(--font-size-sm);
  min-width: 40px;
  text-align: right;
}

/* ========================================
   SECTION EXPÉRIENCE
   ======================================== */
.experience-section {
  background: var(--bg-secondary);
}

.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
  border-radius: var(--border-radius-full);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-4xl);
  width: 50%;
}

.timeline-item:nth-child(odd) {
  left: 0;
  padding-right: var(--spacing-2xl);
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding-left: var(--spacing-2xl);
}

.timeline-marker {
  position: absolute;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 4px solid var(--bg-secondary);
  border-radius: 50%;
  z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-marker {
  right: -10px;
}

.timeline-item:nth-child(even) .timeline-marker {
  left: -10px;
}

.timeline-content {
  background: var(--bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-primary);
}

.timeline-date {
  color: var(--primary-color);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.timeline-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.timeline-company {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.timeline-description {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-md);
}

.timeline-tags {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.timeline-tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-secondary);
  color: var(--text-tertiary);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

/* ========================================
   SECTION CONTACT
   ======================================== */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
}

.contact-card {
  padding: var(--spacing-2xl);
  height: fit-content;
}

.contact-card h3 {
  color: var(--primary-color);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-fast);
}

.contact-item:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  transform: translateX(5px);
}

.contact-icon {
  font-size: var(--font-size-lg);
  width: 24px;
  text-align: center;
}

.contact-text {
  font-weight: var(--font-weight-medium);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-size: var(--font-size-lg);
}

.social-link:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.contact-form {
  background: var(--bg-card);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-primary);
}

.form-group label {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 2px solid var(--border-primary);
  border-radius: var(--border-radius-lg);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  background: var(--bg-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  color: var(--error-color);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: block;
}

/* ========================================
   SECTION JEUX
   ======================================== */
.games-section {
  background: var(--bg-secondary);
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

.game-card {
  padding: var(--spacing-xl);
  text-align: center;
}

.game-header {
  margin-bottom: var(--spacing-xl);
}

.game-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.game-description {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.game-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* ========================================
   JEU SNAKE
   ======================================== */
#snake-canvas {
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius-lg);
  background: var(--bg-primary);
  display: block;
  margin: 0 auto;
}

.game-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.score-display {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
}

.game-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

/* ========================================
   CALCULATRICE
   ======================================== */
.calculator {
  max-width: 300px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
}

.calculator-display {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  text-align: right;
  font-family: var(--font-mono);
  min-height: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.display-previous {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  height: 20px;
  margin-bottom: var(--spacing-xs);
}

.display-current {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  word-break: break-all;
}

.calculator-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.calc-btn {
  padding: var(--spacing-md);
  border: none;
  border-radius: var(--border-radius-lg);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}

.calc-btn:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  transform: scale(1.05);
}

.calc-btn:active {
  transform: scale(0.95);
}

.calc-operator {
  background: var(--primary-color);
  color: var(--text-inverse);
}

.calc-equals {
  background: var(--success-color);
  color: var(--text-inverse);
  grid-row: span 2;
}

.calc-clear {
  background: var(--error-color);
  color: var(--text-inverse);
}

.calc-zero {
  grid-column: span 2;
}

/* ========================================
   TODO LIST
   ======================================== */
.todo-container {
  max-width: 400px;
  margin: 0 auto;
}

.todo-input-container {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

#todo-input {
  flex: 1;
  padding: var(--spacing-md);
  border: 2px solid var(--border-primary);
  border-radius: var(--border-radius-lg);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

#todo-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.todo-filters {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  justify-content: center;
}

.todo-filter {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--border-primary);
  background: var(--bg-card);
  color: var(--text-secondary);
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

.todo-filter:hover,
.todo-filter.active {
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: var(--text-inverse);
}

.todo-list {
  max-height: 300px;
  overflow-y: auto;
  margin-bottom: var(--spacing-lg);
}

.todo-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-sm);
  border: 1px solid var(--border-primary);
  transition: all var(--transition-fast);
}

.todo-item:hover {
  transform: translateX(3px);
  box-shadow: var(--shadow-md);
}

.todo-item.completed {
  opacity: 0.7;
  text-decoration: line-through;
}

.todo-checkbox {
  width: 20px;
  height: 20px;
  accent-color: var(--primary-color);
}

.todo-text {
  flex: 1;
  color: var(--text-primary);
}

.todo-delete {
  padding: var(--spacing-xs);
  border: none;
  border-radius: var(--border-radius-sm);
  background: var(--error-color);
  color: var(--text-inverse);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.todo-delete:hover {
  background: var(--error-color);
  opacity: 0.8;
  transform: scale(1.1);
}

.todo-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* ========================================
   WIDGET MÉTÉO
   ======================================== */
.weather-widget {
  background: var(--bg-card);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-primary);
}

.weather-location {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

#weather-city {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.weather-main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.weather-icon {
  font-size: var(--font-size-5xl);
}

.weather-temp {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
}

.weather-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.weather-detail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.detail-label {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

/* ========================================
   MODAL
   ======================================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--border-radius-xl);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-primary);
  transform: scale(0.8);
  transition: transform var(--transition-normal);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--border-primary);
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--spacing-xl);
}

.modal-image {
  margin-bottom: var(--spacing-xl);
}

.modal-preview {
  width: 100%;
  height: 200px;
  background: var(--gradient-hero);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-description {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
}

.modal-tech {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.modal-links {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* ========================================
   BOUTON SCROLL TO TOP
   ======================================== */
.scroll-to-top {
  position: fixed;
  bottom: var(--spacing-2xl);
  right: var(--spacing-2xl);
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xl);
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: var(--z-fixed);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

/* ========================================
   CANVAS PARTICULES
   ======================================== */
.particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .skills-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    width: 100%;
    left: 0 !important;
    padding-left: 60px !important;
    padding-right: 0 !important;
  }
  
  .timeline-item .timeline-marker {
    left: 10px !important;
    right: auto !important;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--navbar-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--navbar-height));
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    transition: left var(--transition-normal);
    z-index: var(--z-dropdown);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-list {
    flex-direction: column;
    padding: var(--spacing-2xl);
    gap: var(--spacing-lg);
  }
  
  .nav-link {
    width: 100%;
    padding: var(--spacing-lg);
    justify-content: center;
  }
  
  .hamburger {
    display: flex;
  }
  
  .nav-controls {
    gap: var(--spacing-sm);
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-visual {
    gap: var(--spacing-lg);
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .games-grid {
    grid-template-columns: 1fr;
  }
  
  .weather-details {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .modal-content {
    width: 95%;
    margin: var(--spacing-lg);
  }
  
  .scroll-to-top {
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .hero-content {
    min-height: 60vh;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .project-filters {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
  }
  
  .filter-btn {
    white-space: nowrap;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .calculator {
    max-width: 280px;
  }
  
  .calc-btn {
    padding: var(--spacing-sm);
    font-size: var(--font-size-base);
  }
}