/* Variables CSS optimisées */
:root {
  --bg: #0a0a0a;
  --card: #111111;
  --border: #333333;
  --text: #33ff66; /* Vert Matrix clair pour les textes principaux */
  --text-primary: #00ff41; /* Vert Matrix principal pour les titres */
  --text-secondary: #66ff99; /* Vert Matrix très clair pour les textes secondaires */
  --muted: #888888;
  --matrix: #00ff41;
  --matrix-dark: #00cc33; /* Vert Matrix foncé */
  --matrix-light: #33ff66; /* Vert Matrix clair */
  --matrix-glow: rgba(0, 255, 65, 0.3);
  --matrix-soft: rgba(0, 255, 65, 0.1);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 25px rgba(0, 255, 65, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 0;
  font-family: "Share Tech Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--text);
  background: linear-gradient(180deg, rgba(0,0,0,0.95), rgba(3,26,11,0.8), rgba(0,0,0,0.95));
  min-height: 100vh;
}

/* Canvas Matrix */
#matrix {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.25;
  pointer-events: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(0,0,0,0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  margin-top: 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.container { width: min(1200px, 94%); margin-inline: auto; }
.narrow { width: min(820px, 92%); }

.logo {
  color: var(--matrix);
  text-decoration: none;
  letter-spacing: 2px;
  text-shadow: 0 0 8px rgba(0,255,65,0.7);
  font-size: 1.4rem;
  font-weight: 700;
}

.main-nav { position: relative; }
.nav-toggle {
  appearance: none;
  background: var(--card);
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  display: none;
}
.menu { display: flex; list-style: none; gap: 1.1rem; margin: 0; padding: 0; align-items: center; }
.menu a {
  color: var(--muted);
  text-decoration: none;
  padding: 1rem 1.1rem; /* plus grand */
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 1.05rem;
}
.menu a:hover, .menu a[aria-current="true"] {
  color: var(--matrix);
  border-color: var(--border);
  box-shadow: 0 0 12px rgba(0,255,65,0.15);
}
.menu li {
  display: flex;
  align-items: center;
}

/* Bouton changement de langue */
.lang-toggle {
  appearance: none;
  background: var(--card);
  color: var(--matrix);
  border: 1px solid var(--border);
  padding: 0.6rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: var(--transition);
  margin: 0;
}
.lang-toggle:hover {
  background: rgba(0,255,65,0.1);
  border-color: var(--matrix);
  box-shadow: 0 0 12px rgba(0,255,65,0.2);
}

/* Sections */
.section { 
  padding: 100px 0; 
  position: relative;
  scroll-margin-top: 80px; /* Pour la navigation smooth */
}
.section-title {
  margin: 0 0 48px 0;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--matrix);
  text-shadow: 0 0 10px rgba(0,255,65,0.6);
  font-weight: 700;
  text-align: center;
  letter-spacing: 1px;
  position: relative;
}
.section-title::before {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  color: rgba(0, 255, 65, 0.1);
  transform: translate(2px, 2px);
}

  letter-spacing: 0.5px;
  line-height: 1.2;
  text-align: center;
}

/* Hero */
.hero { 
  padding-top: 120px; 
  min-height: 95vh; 
  display: grid; 
  place-items: center;
  position: relative;
}
.hero-grid { 
  display: grid; 
  grid-template-columns: 1.2fr 0.8fr; 
  align-items: center; 
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-text h1 { 
  font-size: clamp(2.5rem, 5vw + 1rem, 4.2rem); 
  margin: 0 0 16px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
  text-shadow: 0 0 15px rgba(0, 255, 65, 0.6);
}
.hero-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  color: var(--matrix);
  margin: 0 0 24px;
  font-weight: 500;
  opacity: 0.9;
}
.tagline { 
  color: var(--muted); 
  margin: 0 0 20px; 
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.6;
  max-width: 600px;
}
.hero-description {
  color: var(--text);
  margin: 0 0 32px;
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  line-height: 1.7;
  max-width: 580px;
  opacity: 0.9;
}
.hero-description strong {
  color: var(--matrix);
  font-weight: 600;
}



.hero-photo { position: relative; align-self: stretch; display: grid; place-items: center; }
.hero-photo img { width: min(360px, 80%); height: auto; border-radius: 18px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.photo-placeholder { width: min(360px, 80%); aspect-ratio: 1/1; border-radius: 18px; border: 1px dashed var(--border); background: linear-gradient(135deg, rgba(0,255,65,0.06), rgba(0,255,65,0.02)); box-shadow: inset 0 0 20px rgba(0,255,65,0.08); }

/* Boutons optimisés */
.cta { display: flex; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: var(--border-radius); text-decoration: none; cursor: pointer;
  border: none; color: var(--matrix);
  background: linear-gradient(180deg, rgba(0,255,65,0.08), rgba(0,0,0,0.6));
  box-shadow: 0 4px 15px rgba(0,255,65,0.2);
  transition: var(--transition);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.6s ease;
}
.btn:hover::before {
  left: 100%;
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,255,65,0.3); }
.btn-primary { 
  color: #001b09; 
  background: linear-gradient(135deg, var(--matrix), #00cc33); 
  border: none;
  box-shadow: 0 4px 15px rgba(0, 255, 65, 0.3);
}
.btn-primary:hover { 
  box-shadow: 0 12px 30px rgba(0,255,65,0.4);
  transform: translateY(-3px);
  filter: brightness(1.1);
}
.btn-secondary {
  color: var(--matrix);
  background: rgba(0, 255, 65, 0.05);
  border: 2px solid var(--matrix);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: var(--matrix);
  color: #000;
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 255, 65, 0.3);
  border-color: var(--matrix);
}

/* Cards Services optimisées */
.services-intro {
  color: var(--muted);
  font-size: 1.1rem;
  text-align: center;
  margin: 0 0 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}
.cards { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
  gap: 32px;
  margin-top: 32px;
}
.card {
  background: linear-gradient(135deg, var(--card), rgba(17, 17, 17, 0.8));
  border: 1px solid var(--border);
  padding: 32px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--matrix), var(--matrix-glow), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.card:hover::before {
  transform: translateX(0);
}
.card:hover { 
  transform: translateY(-3px); 
  box-shadow: var(--shadow-hover), 0 0 30px var(--matrix-soft);
  border-color: var(--matrix-glow);
  background: linear-gradient(135deg, rgba(17, 17, 17, 0.9), rgba(0, 255, 65, 0.05));
}
.card .icon { 
  color: var(--matrix); 
  margin-bottom: 16px; 
  font-size: 2.5rem;
  display: block;
  text-shadow: 0 0 10px var(--matrix-glow);
  filter: drop-shadow(0 0 8px var(--matrix-glow));
}
.card h3 { 
  margin: 0 0 16px; 
  color: var(--text-primary); 
  font-size: 1.4rem;
  font-weight: 600;
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.4);
}
.card p { 
  margin: 0; 
  color: var(--muted); 
  line-height: 1.6;
}
.card p strong {
  color: var(--matrix);
  font-weight: 600;
  text-shadow: 0 0 5px var(--matrix-glow);
}
.service-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.service-tech span {
  background: rgba(0,255,65,0.1);
  border: 1px solid rgba(0,255,65,0.3);
  color: var(--matrix);
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}
.services-cta {
  text-align: center;
  margin-top: 64px;
  padding: 48px;
  background: linear-gradient(135deg, rgba(0,255,65,0.1), rgba(0,255,65,0.05));
  border-radius: 16px;
  border: 1px solid rgba(0,255,65,0.2);
}
.services-cta strong {
  color: var(--matrix);
  font-weight: 600;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 24px;
  flex-wrap: wrap;
}
.cta-buttons .btn {
  min-width: 180px;
}
.services-cta h2 {
  margin: 0 0 16px;
  color: var(--matrix);
  font-size: 1.8rem;
  text-shadow: 0 0 10px rgba(0,255,65,0.6);
}
.services-cta p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Portfolio */
.portfolio-intro {
  color: var(--muted);
  font-size: 1.1rem;
  text-align: center;
  margin: 0 0 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}
.portfolio-categories {
  display: grid;
  gap: 32px;
}
.category-title {
  color: var(--matrix);
  font-size: 1.8rem;
  margin: 0 0 24px;
  text-shadow: 0 0 10px rgba(0,255,65,0.6);
  text-align: center;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}
.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--matrix), var(--matrix-glow), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.contact-card:hover::before {
  transform: translateX(0);
}
}
.project-card.professional::before {
  background: linear-gradient(90deg, #00ff41, #00ffa3);
}
.project-card.academic::before {
  background: linear-gradient(90deg, #0aff4a, #00ff2a);
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 40px rgba(0,255,65,0.2);
}
.project-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.project-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}
.project-company {
  color: var(--matrix);
  font-weight: 600;
  font-size: 1rem;
  flex: 1;
}
.project-duration {
  color: var(--muted);
  font-size: 0.9rem;
  background: rgba(0,255,65,0.1);
  padding: 4px 8px;
  border-radius: 8px;
  border: 1px solid rgba(0,255,65,0.2);
}
.project-card h3 {
  margin: 0 0 12px;
  color: var(--text-primary);
  font-size: 1.3rem;
  line-height: 1.3;
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.3);
}
.project-description {
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 20px;
  font-size: 1rem;
}
.project-achievements {
  display: flex;
  gap: 16px;
  margin: 0 0 20px;
}
.achievement {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
}
.achievement-number {
  color: var(--matrix);
  font-size: 1.5rem;
  font-weight: 700;
  text-shadow: 0 0 8px rgba(0,255,65,0.6);
  line-height: 1;
}
.achievement-text {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 4px;
  line-height: 1.2;
}
.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.project-tech span {
  background: rgba(0,255,65,0.1);
  border: 1px solid rgba(0,255,65,0.3);
  color: var(--matrix);
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}
.portfolio-cta {
  text-align: center;
  padding: 40px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  margin-top: 40px;
}
.portfolio-cta h3 {
  margin: 0 0 16px;
  color: var(--matrix);
  font-size: 1.6rem;
  text-shadow: 0 0 10px rgba(0,255,65,0.6);
}
.portfolio-cta p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Expériences Professionnelles */
.experiences { }
.experience-timeline { display: grid; gap: 32px; max-width: 900px; margin: 0 auto; }
.experience-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.experience-card:hover { transform: translateY(-2px); box-shadow: 0 0 32px rgba(0,255,65,0.18); }
.experience-header { margin-bottom: 16px; }
.experience-header h2 {
  margin: 0 0 8px;
  color: var(--matrix);
  font-size: 1.5rem;
  text-shadow: 0 0 8px rgba(0,255,65,0.4);
}
.experience-header h3 {
  margin: 0 0 8px;
  color: var(--matrix);
  font-size: 1.3rem;
  text-shadow: 0 0 8px rgba(0,255,65,0.4);
}
.job-title {
  margin: 0 0 12px;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.3);
}
.experience-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.experience-meta .location {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.05rem;
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.3);
}
.experience-meta .duration {
  color: var(--muted);
  font-size: 0.95rem;
}
.experience-tasks {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}
.experience-tasks li {
  color: var(--muted);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}
.experience-tasks li::before {
  content: "▶";
  color: var(--matrix);
  position: absolute;
  left: 0;
  top: 3px;
  font-size: 12px;
  line-height: 1.5;
}

/* Compétences */
.skills { }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}
.skill-category {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.skill-category:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0,255,65,0.18);
}
.skill-category h3 {
  margin: 0 0 16px;
  color: var(--matrix);
  font-size: 1.1rem;
  text-shadow: 0 0 6px rgba(0,255,65,0.4);
}
.skill-category h4 {
  color: var(--matrix);
  font-size: 1.2rem;
  margin: 0 0 12px;
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.4);
}

.skill-category:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0,255,65,0.18);
}
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-tag {
  background: rgba(0,255,65,0.1);
  border: 1px solid rgba(0,255,65,0.3);
  color: var(--matrix);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
}
.skill-tag:hover {
  background: rgba(0,255,65,0.2);
  border-color: var(--matrix);
  transform: translateY(-1px);
  box-shadow: 0 0 12px rgba(0,255,65,0.3);
}



/* À propos - Layout vertical moderne */
.about-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-bottom: 48px;
}

.about-hero-section {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 10px;
}

.about-hero {
  text-align: left;
  padding: 0;
}

.about-achievements {
  display: flex;
  justify-content: center;
  margin: 40px 0;
}

.about-achievements .about-card {
  max-width: 600px;
  width: 100%;
}

.about-skills-combined {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 24px 0;
}

.about-skills-section {
  margin: 10px 0 -12px 0;
}

.about-soft-skills-section {
  margin: 0px 0 12px 0;
}

.about-info-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin: 40px 0;
}
.about-intro h2 {
  margin: 0 0 8px;
  color: var(--matrix);
  font-size: 2.2rem;
  text-shadow: 0 0 12px rgba(0,255,65,0.6);
}
.about-subtitle {
  color: var(--text-primary);
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 0 8px;
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.3);
}
.about-location {
  color: var(--matrix);
  font-size: 1rem;
  margin: 0 0 24px 0;
  font-weight: 600;
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.4);
}
.about-description p {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin: 0 0 20px;
}
.about-achievements-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}
.about-achievements-list li {
  color: var(--muted);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}
.about-achievements-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--matrix);
  font-weight: bold;
}
.about-sidebar {
  display: grid;
  gap: 24px;
  align-content: start;
}
.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.about-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0,255,65,0.18);
}
.about-card h3 {
  margin: 0 0 16px;
  color: var(--matrix);
  font-size: 1.2rem;
  text-shadow: 0 0 6px rgba(0,255,65,0.4);
}

/* Section disponibilité */
.about-hero-section .about-availability {
  display: flex;
  justify-content: flex-start;
  margin: 0;
}

.about-hero-section .availability-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
  background: linear-gradient(135deg, rgba(0,255,65,0.05), rgba(0,255,65,0.02));
  border: 1px solid rgba(0, 255, 65, 0.3);
  transition: all 0.3s ease;
  padding: 24px;
  text-align: center;
}

.about-hero-section .availability-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 25px rgba(0, 255, 65, 0.3);
  border-color: rgba(0, 255, 65, 0.5);
  background: linear-gradient(135deg, rgba(0,255,65,0.08), rgba(0,255,65,0.03));
}

.about-hero-section .availability-icon {
  font-size: 1.5rem;
  color: var(--matrix);
}

.about-hero-section .availability-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-hero-section .availability-content h3 {
  margin: 0;
  font-size: 1.1rem;
}

.about-hero-section .availability-status {
  color: var(--matrix);
  font-weight: 600;
  font-size: 0.95rem;
}

.about-hero-section .availability-desc {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

.availability-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(0,255,65,0.2), rgba(0,255,65,0.1));
  border: 1px solid rgba(0, 255, 65, 0.3);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--matrix);
  font-size: 1.2rem;
  text-shadow: 0 0 8px var(--matrix-glow);
  flex-shrink: 0;
}

.availability-content h3 {
  margin: 0 0 4px;
  font-size: 1.1rem;
}

.availability-status {
  color: var(--matrix);
  font-weight: 600;
  font-size: 1rem;
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.4);
  display: block;
  margin-bottom: 4px;
}

.availability-desc {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}
.education h4 {
  margin: 0 0 8px;
  color: var(--text-primary);
  font-size: 1.1rem;
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.3);
}
.education p {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.95rem;
}
.education-projects {
  margin-top: 16px;
}
.education-projects h5 {
  margin: 0 0 8px;
  color: var(--text-primary);
  font-size: 1rem;
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.3);
}
.education-projects ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}
.education-projects li {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}
.languages {
  display: grid;
  gap: 16px;
}
.language {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(0,255,65,0.1);
}
.lang-name {
  color: var(--text);
  font-weight: 500;
}
.lang-level {
  color: var(--matrix);
  font-size: 0.9rem;
  font-weight: 600;
}
.skills-categories {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.skill-category {
  background: rgba(0,255,65,0.02);
  border: 1px solid rgba(0,255,65,0.2);
  padding: 20px;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.skill-category:hover {
  background: rgba(0,255,65,0.05);
  border-color: rgba(0,255,65,0.4);
  transform: translateY(-2px);
}

.skill-category h4 {
  margin: 0 0 16px;
  color: var(--matrix);
  font-size: 1.1rem;
  font-weight: 600;
  text-shadow: 0 0 4px rgba(0,255,65,0.3);
}

.interests {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.interest-tag {
  background: rgba(0,255,65,0.1);
  border: 1px solid rgba(0,255,65,0.3);
  color: var(--matrix);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}
.about-cta {
  text-align: center;
  padding: 48px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  margin-top: 24px;
}
.about-cta h3 {
  margin: 0 0 16px;
  color: var(--matrix);
  font-size: 1.6rem;
  text-shadow: 0 0 10px rgba(0,255,65,0.6);
}
.about-cta p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Contact - Nouvelle mise en page améliorée */
.contact-header {
  text-align: center;
  margin-bottom: 80px;
  padding: 60px 40px;
  background: linear-gradient(135deg, rgba(0,255,65,0.05), rgba(0,0,0,0.3));
  border-radius: 20px;
  border: 1px solid rgba(0,255,65,0.2);
}
.contact-intro {
  color: var(--text-secondary);
  font-size: 1.4rem;
  line-height: 1.8;
  margin: 32px auto 0;
  max-width: 800px;
  text-shadow: 0 0 8px rgba(0,255,65,0.2);
  font-weight: 500;
  letter-spacing: 0.3px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-top: 64px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
}

/* Cards de contact principales */
.contact-main {
  display: flex;
  flex-direction: column;
}
.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  perspective: 1000px;
}
.contact-card {
  background: linear-gradient(145deg, 
    rgba(0,255,65,0.06) 0%,
    rgba(0,0,0,0.8) 40%,
    rgba(0,255,65,0.04) 100%);
  border: 2px solid rgba(0, 255, 65, 0.3);
  border-radius: 25px;
  padding: 45px;
  box-shadow: 
    0 25px 80px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(0, 255, 65, 0.2),
    inset 0 2px 0 rgba(0, 255, 65, 0.15);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(25px);
  transform-style: preserve-3d;
}
.contact-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(0,255,65,0.08), transparent);
  animation: rotate 12s linear infinite;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.contact-card:hover::before {
  opacity: 1;
}
.contact-card:hover {
  border-color: rgba(0, 255, 65, 0.4);
}

.contact-card:hover .contact-card-icon {
  color: var(--matrix-light);
}
.contact-card.primary {
  border-color: rgba(0, 255, 65, 0.5);
  background: linear-gradient(135deg, rgba(0,255,65,0.08), var(--card));
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 255, 65, 0.2);
}
.contact-card.primary:hover {
  box-shadow: 0 8px 32px rgba(0,255,65,0.25);
}
.contact-card-icon {
  font-size: 3rem;
  color: var(--matrix);
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, 
    rgba(0,255,65,0.25) 0%,
    rgba(0,255,65,0.12) 50%,
    rgba(0,255,65,0.2) 100%);
  border-radius: 50%;
  border: 3px solid rgba(0,255,65,0.5);
  box-shadow: 
    0 15px 40px rgba(0, 255, 65, 0.4),
    inset 0 3px 0 rgba(0, 255, 65, 0.5),
    inset 0 -3px 0 rgba(0, 255, 65, 0.2);
  text-shadow: 0 0 20px var(--matrix-glow);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  margin-bottom: 25px;
  z-index: 2;
}
.contact-card-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(0,255,65,0.1), transparent);

}
.contact-card-content {
  z-index: 2;
  position: relative;
}
.contact-card h3 {
  margin: 0 0 20px;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 700;
  text-shadow: 0 0 12px rgba(0, 255, 65, 0.5);
  letter-spacing: 1px;
  position: relative;
}
.contact-card h3::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--matrix), transparent);
  transition: width 0.4s ease;
  border-radius: 2px;
}
.contact-card:hover h3::after {
  width: 80%;
}
.contact-link {
  color: var(--matrix);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  display: block;
  margin: 10px 0;
}
.contact-link:hover {
  color: var(--text-primary);
  text-shadow: 0 0 15px rgba(0,255,65,0.8);
  transform: scale(1.05);
}
.contact-info-text {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1.05rem;
}
.contact-status {
  color: var(--matrix);
  font-weight: 600;
  font-size: 1.05rem;
  text-shadow: 0 0 6px rgba(0,255,65,0.4);
}
.contact-card-desc {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 25px;
  padding: 16px 32px;
  background: linear-gradient(135deg, 
    rgba(0, 255, 65, 0.25) 0%,
    rgba(0, 255, 65, 0.12) 50%,
    rgba(0, 255, 65, 0.2) 100%);
  border: 2px solid rgba(0, 255, 65, 0.6);
  color: var(--matrix);
  text-decoration: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  min-width: 180px;
  min-height: 50px;
  text-shadow: 0 0 10px var(--matrix-glow);
  box-shadow: 
    0 10px 30px rgba(0, 255, 65, 0.3),
    inset 0 2px 0 rgba(0, 255, 65, 0.4);
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
}
.contact-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s;
}
.contact-btn:hover::before {
  left: 100%;
}

.contact-btn:hover {
  background: linear-gradient(135deg, 
    var(--matrix) 0%,
    rgba(0, 255, 65, 0.9) 50%,
    var(--matrix-glow) 100%);
  color: #000;
  transform: translateY(-8px) scale(1.1);
  box-shadow: 
    0 20px 50px rgba(0, 255, 65, 0.7),
    0 0 40px rgba(0, 255, 65, 1),
    inset 0 3px 0 rgba(255, 255, 255, 0.3);
  text-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
  border-color: var(--matrix);
}

/* Animations */
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

/* Sidebar avec proposition de valeur */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 32px;
}
.contact-value-prop {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow);
}
.contact-value-prop h2 {
  margin: 0 0 24px;
  color: var(--matrix);
  font-size: 1.6rem;
  text-shadow: 0 0 10px rgba(0,255,65,0.6);
  text-align: center;
}
.value-points {
  display: grid;
  gap: 20px;
}
.value-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.value-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,255,65,0.1);
  border-radius: 10px;
  border: 1px solid rgba(0,255,65,0.2);
}
.value-point h4 {
  margin: 0 0 4px;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.3);
}
.value-point p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

/* CTA rapide */
.contact-quick-cta {
  background: linear-gradient(135deg, rgba(0,255,65,0.08), var(--card));
  border: 1px solid rgba(0,255,65,0.3);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow);
  margin-top: 32px;
}
.contact-quick-cta h3 {
  margin: 0 0 8px;
  color: var(--matrix);
  font-size: 1.3rem;
  text-shadow: 0 0 8px rgba(0,255,65,0.5);
}
.contact-quick-cta p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 1rem;
}
.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cta-buttons .btn {
  width: 100%;
  justify-content: center;
  padding: 12px 20px;
  font-size: 0.95rem;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Large tablets and small desktops */
@media (max-width: 1024px) {
  .container {
    width: min(1200px, 96%);
  }
  
  .hero-grid {
    gap: 40px;
  }
  
  .cards {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
  }
  
  .portfolio .grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 40px;
  }
  
  .contact-cards {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }
}

/* Tablets */
@media (max-width: 768px) {
  .container {
    width: min(1200px, 94%);
    padding-left: 20px;
    padding-right: 20px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: 32px;
  }
  
  .hero {
    padding-top: 100px;
    min-height: 80vh;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  
  .hero-content h1 {
    font-size: clamp(2rem, 6vw, 3rem);
  }
  
  .hero-content .subtitle {
    font-size: clamp(1rem, 3vw, 1.2rem);
  }
  
  .cards {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
  
  .portfolio .grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  
  .contact-cards {
    grid-template-columns: 1fr;
  }
  
  .contact-card {
    padding: 20px;
  }
  
  .contact-value-prop {
    padding: 24px;
  }
  
  .formations-grid,
  .experience-timeline {
    gap: 24px;
  }
  
  .formation-card,
  .experience-card {
    padding: 20px;
  }
  
  .formation-header h2,
  .experience-header h3 {
    font-size: 1.4rem;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .projects-list {
    gap: 24px;
  }
  
  .project-item {
    padding: 16px;
  }
  
  .cta-buttons {
    gap: 8px;
    flex-direction: column;
    align-items: center;
  }
  
  .project-tags {
    justify-content: center;
  }
}

/* Formulaire de contact */
.contact-form-container {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 32px;
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.contact-form-container h2 {
  margin: 0 0 12px;
  color: var(--matrix);
  font-size: 1.6rem;
  text-shadow: 0 0 8px rgba(0,255,65,0.4);
}
.contact-form-container p {
  color: var(--muted);
  margin: 0 0 24px;
  line-height: 1.5;
}
.form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label { color: var(--muted); }
.field input, .field textarea {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.8rem 0.9rem;
  border-radius: 12px;
  outline: none;
}
.field input:focus, .field textarea:focus { box-shadow: 0 0 0 3px rgba(0,255,65,0.15); }
.form-note { color: var(--muted); font-size: 0.95rem; }

/* Bouton toggle Matrix optimisé */
.matrix-toggle {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: linear-gradient(135deg, var(--matrix), #00cc33);
  color: #000;
  border: none;
  padding: 16px 20px;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 6px 20px rgba(0, 255, 65, 0.4), 0 0 0 1px rgba(0, 255, 65, 0.2);
  transition: var(--transition);
  z-index: 1000;
  backdrop-filter: blur(10px);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.matrix-toggle:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 35px rgba(0, 255, 65, 0.5), 0 0 0 2px rgba(0, 255, 65, 0.3);
  filter: brightness(1.1);
}
.toggle-icon {
  transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.matrix-toggle.active {
  background: linear-gradient(135deg, #ff4444, #cc0000);
  color: #fff;
}
.matrix-toggle.active .toggle-icon {
  transform: rotate(180deg);
}
.matrix-toggle.active:hover {
  box-shadow: 0 12px 35px rgba(255, 68, 68, 0.5), 0 0 0 2px rgba(255, 68, 68, 0.3);
}

.matrix-toggle.disabled {
  color: #000;
  border-color: rgba(255,255,255,0.1);
}

.matrix-toggle.disabled:hover {
  box-shadow: 0 0 20px rgba(255,255,255,0.1);
}

.toggle-text {
  font-weight: 600;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  line-height: 1;
}

/* Main content */
main {
  min-height: calc(100vh - 68px - 84px); /* 100vh - header height - footer height */
}

/* Footer */
.site-footer { padding: 28px 0; border-top: 1px solid var(--border); background: rgba(0,0,0,0.95); }
.site-footer p { margin: 0; color: var(--muted); text-align: center; }

/* Animations et transitions optimisées */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}
.reveal.reveal-in {
  opacity: 1;
  transform: translateY(0);
}

/* Animations d'entrée échelonnées optimisées */
.reveal:nth-child(1) { transition-delay: 0.05s; }
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.15s; }
.reveal:nth-child(4) { transition-delay: 0.2s; }
.reveal:nth-child(5) { transition-delay: 0.25s; }

/* Micro-interactions optimisées */
.btn, .card, .skill-tag, .experience-card {
  transition: var(--transition);
  will-change: transform, box-shadow;
}

/* Focus states améliorés */
.btn:focus-visible,
.nav-toggle:focus-visible,
.menu a:focus-visible {
  outline: 2px solid var(--matrix);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px var(--matrix-glow);
}

/* Glitch heading */
.glitch {
  position: relative;
  color: var(--text-primary);
  text-shadow: 0 0 10px rgba(0,255,65,0.5);
}
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute; inset: 0; pointer-events: none;
}
.glitch::before { color: #00ff41; transform: translate(1px, 0); clip-path: polygon(0 0, 100% 0, 100% 45%, 0 55%); filter: drop-shadow(0 0 6px rgba(0,255,65,0.6)); }
.glitch::after { color: #00ffab; transform: translate(-1px, 0); clip-path: polygon(0 60%, 100% 50%, 100% 100%, 0 100%); filter: drop-shadow(0 0 6px rgba(0,255,171,0.5)); }

@media (prefers-reduced-motion: no-preference) {
  .glitch { animation: glitchPulse 6s ease-in-out infinite; }
}

@keyframes glitchPulse {
  0%, 100% { text-shadow: 0 0 6px rgba(0,255,65,0.45); }
  50% { text-shadow: 0 0 14px rgba(0,255,65,0.75); }
}

/* Mobile Navigation */
@media (max-width: 900px) {
  .nav-toggle { 
    display: inline-flex;
    min-width: 44px;
    min-height: 44px;
    padding: 12px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
  }
  
  .nav-toggle:hover {
    background: rgba(0,255,65,0.1);
    border-color: var(--matrix);
  }
  
  .menu {
    position: fixed;
    top: 80px;
    right: 0;
    width: 280px;
    height: auto;
    max-height: calc(100vh - 100px);
    background: rgba(0,0,0,0.98);
    backdrop-filter: blur(15px);
    border-left: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    border-radius: 0 0 0 16px;
    padding: 24px;
    flex-direction: column;
    gap: 16px;
    display: none;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
  }
  
  .menu.open { 
    display: flex;
    transform: translateX(0);
  }
  
  .menu a {
    padding: 16px 20px;
    font-size: 1.1rem;
    border-radius: 12px;
    min-height: 44px;
    display: flex;
    align-items: center;
    transition: var(--transition);
    border: 1px solid transparent;
  }
  
  .menu a:hover {
    background: rgba(0,255,65,0.1);
    border-color: var(--border);
    transform: translateX(-4px);
  }
  

  
  /* Language toggle in mobile */
  .menu .lang-toggle {
    position: static;
    width: 100%;
    padding: 16px 20px;
    font-size: 1.1rem;
    border-radius: 12px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 16px 0 0 0;
    border: 1px solid var(--border);
  }
  
  .menu .lang-toggle:hover {
    background: rgba(0,255,65,0.1);
    border-color: var(--matrix);
    transform: translateX(-4px);
  }
}

/* iPhone 16 Pro Max et grands mobiles */
@media (max-width: 430px) and (min-height: 900px) {
  .site-header {
    padding: env(safe-area-inset-top) 0 16px;
  }
  .container {
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }
  .hero {
    padding-top: calc(120px + env(safe-area-inset-top));
  }
}

/* Small Mobile Devices */
@media (max-width: 560px) {
  /* Amélioration de l'effet Matrix sur mobile */
  #matrix {
    opacity: 0.35;
  }
  
  body {
    background: linear-gradient(180deg, rgba(0,0,0,0.98), rgba(3,26,11,0.9), rgba(0,0,0,0.98));
  }
  
  .container {
    width: min(1200px, 92%);
    padding-left: 16px;
    padding-right: 16px;
  }
  
  .section {
    padding: 40px 0;
  }
  
  .section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 24px;
  }
  
  .hero {
    padding-top: 80px;
    min-height: 70vh;
  }
  
  .hero-content h1 {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    line-height: 1.2;
  }
  
  .hero-content .subtitle {
    font-size: clamp(0.9rem, 4vw, 1.1rem);
  }
  
  .cards { 
    grid-template-columns: 1fr; 
    gap: 16px;
  }
  
  .card {
    padding: 20px;
  }
  
  .portfolio .grid { 
    grid-template-columns: 1fr; 
    gap: 16px;
  }
  
  .matrix-toggle {
    bottom: max(16px, env(safe-area-inset-bottom));
    right: max(16px, env(safe-area-inset-right));
    padding: 12px 16px;
    font-size: 0.85rem;
    min-width: 44px;
    min-height: 44px;
  }
  
  .toggle-icon {
    font-size: 1.1rem;
  }
  
  /* Mobile menu adjustments */
  .menu {
    width: 100vw;
    padding: 80px 20px 24px;
  }
  
  .nav-toggle {
    padding: 10px;
    font-size: 1.1rem;
  }
}
  
  /* Optimisations supplémentaires pour petits écrans */
  .about-hero-section {
    gap: 20px;
  }
  
  .about-grid {
    gap: 20px;
  }
  
  .container {
    width: min(1200px, 96%);
  }
}
  .experience-meta {
    flex-direction: column;
    gap: 6px;
  }
  .experience-card {
    padding: 18px;
  }
  .experience-header h3 {
    font-size: 1.2rem;
  }
}

/* Styles pour la page Formations */
.formations-grid {
  display: grid;
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.formations-grid > * + * {
  margin-top: 32px;
}

.formation-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.formation-card:hover {
  box-shadow: var(--shadow-hover);
}

.formation-header {
  margin-bottom: 24px;
}

.formation-header h2 {
  color: var(--matrix);
  font-size: 1.8rem;
  margin: 0 0 12px;
}

.formation-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.formation-meta .school {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.1rem;
}

.formation-meta .location {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.05rem;
}

.formation-meta .duration {
  color: var(--muted);
  font-size: 0.95rem;
}

.formation-content h3 {
  color: var(--matrix);
  font-size: 1.4rem;
  margin: 0 0 20px;
}

.projects-list {
  display: grid;
  gap: 32px;
}

.project-item {
  background: rgba(0,255,65,0.03);
  border: 1px solid rgba(0,255,65,0.1);
  border-radius: 12px;
  padding: 20px;
  transition: var(--transition);
}

.project-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0,255,65,0.18);
}

.project-item h4 {
  color: var(--matrix);
  font-size: 1.2rem;
  margin: 0 0 8px;
}

.project-item p {
  color: var(--text);
  margin: 0 0 16px;
  line-height: 1.6;
}

.project-achievements {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: grid;
  gap: 8px;
}

.project-achievements li {
  color: var(--muted);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.project-achievements li::before {
  content: "▶";
  color: var(--matrix);
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 12px;
  line-height: 1.5;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  background: rgba(0,255,65,0.1);
  color: var(--matrix);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  border: 1px solid rgba(0,255,65,0.2);
}

.formation-skills {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.formation-skills h3 {
  color: var(--matrix);
  font-size: 1.6rem;
  margin: 0 0 24px;
  text-align: center;
}

.formation-skills:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0,255,65,0.18);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.skill-category h4 {
  color: var(--matrix);
  font-size: 1.2rem;
  margin: 0 0 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

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

.skill-category li {
  color: var(--text);
  padding: 6px 0;
  border-bottom: 1px solid rgba(0,255,65,0.05);
  font-size: 0.95rem;
}

.skill-category li:last-child {
  border-bottom: none;
}

/* Styles pour la page Projets (placeholder) */
.projets-placeholder {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.placeholder-icon {
  margin-bottom: 32px;
}

.matrix-code {
  font-family: "Share Tech Mono", monospace;
  color: var(--matrix);
  font-size: 1.2rem;
  opacity: 0.6;
  margin: 4px 0;
  text-shadow: 0 0 8px rgba(0,255,65,0.3);
}

.placeholder-title {
  color: var(--matrix);
  font-size: 2.5rem;
  margin: 0 0 24px;
  text-shadow: 0 0 12px rgba(0,255,65,0.5);
}

.placeholder-message h2 {
  color: var(--text-primary);
  font-size: 1.8rem;
  margin: 0 0 16px;
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.4);
}

.placeholder-message p {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.6;
  margin: 0 0 12px;
}

/* Coming Soon */
.coming-soon {
  text-align: center;
  padding: 80px 20px;
  max-width: 600px;
  margin: 0 auto;
}

.coming-soon-text {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--matrix);
  margin: 0 0 16px;
  font-weight: 600;
  text-shadow: 0 0 10px rgba(0,255,65,0.6);
  letter-spacing: 1px;
}

.coming-soon-subtitle {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0;
  opacity: 0.8;
}

.placeholder-features {
  margin: 32px 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.placeholder-features h3 {
  color: var(--matrix);
  font-size: 1.4rem;
  margin: 0 0 16px;
}

.placeholder-features ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.placeholder-features li {
  color: var(--text);
  font-size: 1rem;
  padding: 8px 0;
}

.placeholder-cta {
  margin-top: 32px;
}

.placeholder-cta p {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 1rem;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Styles déjà intégrés dans la section responsive principale */

/* Animations pour les cartes de contact améliorées */
@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

@keyframes cardFloat {
  0% { transform: translateY(0px) rotateX(0deg); }
  100% { transform: translateY(-4px) rotateX(1deg); }
}

@keyframes iconShine {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes buttonPulse {
  0% { transform: translateY(-6px) scale(1.08) rotateX(5deg); }
  50% { transform: translateY(-8px) scale(1.12) rotateX(7deg); }
  100% { transform: translateY(-6px) scale(1.08) rotateX(5deg); }
}

/* Animation pour les cartes de contact */
@keyframes cardGlow {
  0% {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 255, 65, 0.1);
  }
  100% {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 255, 65, 0.2), 0 0 20px rgba(0, 255, 65, 0.1);
  }
}

/* Extra Small Mobile Devices */
@media (max-width: 480px) {
  .container {
    padding-left: 12px;
    padding-right: 12px;
  }
  
  .hero-content h1 {
    font-size: clamp(1.6rem, 9vw, 2.2rem);
  }
  
  .formation-card,
  .experience-card {
    padding: 16px;
  }
  
  .formation-header h2,
  .experience-header h3 {
    font-size: 1.2rem;
  }
  
  .formation-meta,
  .experience-meta {
    gap: 4px;
  }
  
  .cta {
    flex-direction: column;
    gap: 12px;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
    font-size: 0.9rem;
  }
  
  .placeholder-title {
    font-size: 1.8rem;
  }
  
  .about-grid {
    gap: 20px;
  }
  
  .about-hero-section {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 20px;
  }
  
  .about-hero {
    padding: 0;
    text-align: center;
  }
  
  .about-intro h2 {
    font-size: 1.6rem;
    margin-bottom: 12px;
  }
  
  .about-subtitle {
    font-size: 1rem;
    margin-bottom: 8px;
  }
  
  .card {
    padding: 16px;
  }
  
  .menu {
    padding: 70px 16px 20px;
  }
}
  
  .about-location {
    font-size: 0.9rem;
    margin-bottom: 20px;
  }
  
  .about-description {
    text-align: left;
    margin-top: 20px;
  }
  
  .about-description p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 16px;
  }
  
  .about-sidebar {
    gap: 20px;
  }
  
  .about-card {
    padding: 18px;
  }
  
  .about-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
  }
  
  .availability-card {
    padding: 20px;
    gap: 12px;
  }
  
  .availability-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .availability-content h3 {
    font-size: 1rem;
  }
  
  .availability-status {
    font-size: 0.9rem;
  }
  
  .availability-desc {
    font-size: 0.85rem;
  }
  
  .languages {
    gap: 12px;
  }
  
  .language {
    padding: 8px 12px;
  }
  
  .lang-name {
    font-size: 0.9rem;
  }
}

/* ===== PROTECTION DU CODE ===== */
/* Désactiver la sélection de texte */
* {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Permettre la sélection uniquement pour les inputs et contenus texte importants */
input, textarea, .selectable-text {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

/* Protection contre le glisser-déposer */
* {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
}

/* Masquer les images en cas de tentative de sauvegarde */
img {
  pointer-events: none;
  -webkit-touch-callout: none;
}

/* Message de protection dans le CSS (visible uniquement dans le code source) */
/*
⚠️ AVERTISSEMENT DE SÉCURITÉ ⚠️
Ce code est protégé par des droits d'auteur.
Toute reproduction, modification ou utilisation non autorisée est strictement interdite.
© 2024 William Uranus - Portfolio Personnel
Contact: william.uranus@example.com
*/
  
  .skills-categories {
    gap: 16px;
  }
  
  .skill-category h4 {
    font-size: 1rem;
    margin-bottom: 8px;
  }
  
  .interests {
    gap: 8px;
  }
  
  .interest-tag {
    font-size: 0.8rem;
    padding: 6px 10px;
  }
  
  .about-hero-section .about-availability {
    justify-content: center;
  }
  
  .about-achievements {
    margin: 32px 0;
  }
  
  .about-skills-combined {
    grid-template-columns: 1fr;
    gap: 24px;
    margin: 32px 0;
  }
  
  .about-skills-section {
    grid-template-columns: 1fr;
    gap: 24px;
    margin: 32px 0;
  }
  
  .about-info-section {
    grid-template-columns: 1fr;
    gap: 24px;
    margin: 32px 0;
  }
  
  .about-availability {
    margin: 32px 0;
  }
  
  .about-cta {
    padding: 32px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    padding: 20px;
  }
}

/* Styles déjà consolidés dans la section responsive principale */