/* ===================================
   PORTFOLIO YANIS RJIBA - BTS SIO SISR
   Design System Clean & Moderne
   =================================== */

/* ===== VARIABLES CSS ===== */
:root {
  /* Couleurs principales */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  
  --secondary: #0ea5e9;
  --secondary-dark: #0284c7;
  
  /* Backgrounds */
  --bg-primary: #0f0a1e;
  --bg-secondary: #1a1330;
  --bg-tertiary: #251840;
  --bg-card: rgba(255, 255, 255, 0.03);
  
  /* Texte */
  --text-primary: #ffffff;
  --text-secondary: #e2e8f0;
  --text-muted: #94a3b8;
  
  /* Borders & Shadows */
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Container */
  --container-width: 1200px;
}

/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 80px; /* Espace pour la navbar fixe */
}

::selection {
  background: var(--primary);
  color: white;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ===== UTILITIES ===== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section-dark {
  background: var(--bg-secondary);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.highlight {
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 10, 30, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-sm);
}

.nav-link {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  font-weight: 500;
}

.nav-link:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--text-primary);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl) var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(14, 165, 233, 0.1), transparent 50%);
  z-index: 0;
}

.hero-content {
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.8s ease;
}

.hero-tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--primary);
  border-radius: var(--radius-full);
  color: var(--primary-light);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title {
  margin-bottom: var(--spacing-sm);
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 0.8s ease 0.5s both;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary-light);
}

.btn-secondary:hover {
  background: rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
}

/* ===== TECH ORBIT ANIMATION ===== */
.hero-visual {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.3;
  pointer-events: none;
}

.tech-orbit {
  position: relative;
  width: 400px;
  height: 400px;
  animation: rotate 30s linear infinite;
}

.orbit-item {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  background: rgba(99, 102, 241, 0.1);
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: orbit 10s linear infinite;
  animation-delay: var(--delay);
}

.orbit-item img {
  width: 32px;
  height: 32px;
  filter: brightness(1.2);
}

.orbit-item:nth-child(1) { transform: rotate(0deg) translateX(150px) rotate(0deg); }
.orbit-item:nth-child(2) { transform: rotate(90deg) translateX(150px) rotate(-90deg); }
.orbit-item:nth-child(3) { transform: rotate(180deg) translateX(150px) rotate(-180deg); }
.orbit-item:nth-child(4) { transform: rotate(270deg) translateX(150px) rotate(-270deg); }

/* ===== ABOUT SECTION ===== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-base);
}

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

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.about-card h3 {
  color: var(--primary-light);
  margin-bottom: var(--spacing-sm);
}

.about-text {
  max-width: 800px;
  margin: var(--spacing-xl) auto 0;
  padding: var(--spacing-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--primary);
  transition: all var(--transition-base);
}

.about-text:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
  transform: translateY(-2px);
}

.about-text p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.8;
  text-align: left;
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.skill-category:hover {
  border-color: var(--primary);
}

.skill-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.skill-category h3 {
  color: var(--primary-light);
  margin-bottom: var(--spacing-md);
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
}

.skill-tag {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: default;
  border: 2px solid transparent;
}

.skill-tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.skill-tag.level-expert {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border-color: #10b981;
}

.skill-tag.level-advanced {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: white;
  border-color: #3b82f6;
}

.skill-tag.level-intermediate {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  border-color: #f59e0b;
}

.skill-tag.level-beginner {
  background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
  color: white;
  border-color: #6b7280;
}

.skills-legend {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.level-expert {
  background: #10b981;
}

.dot.level-advanced {
  background: #3b82f6;
}

.dot.level-intermediate {
  background: #f59e0b;
}

.dot.level-beginner {
  background: #6b7280;
}

/* ===== PROJECTS SECTION ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  cursor: pointer;
}

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

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

.project-header h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
}

.project-tag {
  flex-shrink: 0;
  padding: 4px 12px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--primary-light);
  font-weight: 600;
}

.project-desc {
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

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

.project-tech span {
  padding: 4px 10px;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid var(--secondary);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--secondary);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  margin-top: var(--spacing-sm);
  transition: all var(--transition-fast);
}

.project-link:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

/* ===== ENTREPRISE SECTION ===== */
.entreprise-header-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.2);
}

.entreprise-logo {
  max-width: 180px;
  height: auto;
  margin-bottom: var(--spacing-md);
  filter: brightness(1.1);
  transition: transform var(--transition-base);
}

.entreprise-logo:hover {
  transform: scale(1.05);
}

.entreprise-header-card h2 {
  color: white;
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
}

.entreprise-period {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.125rem;
  font-weight: 500;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-base);
}

.info-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
}

.info-card.highlight {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(14, 165, 233, 0.05) 100%);
  border-color: var(--primary);
}

.info-card h3 {
  color: var(--primary-light);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.info-card p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.7;
}

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

.mission-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(99, 102, 241, 0.05);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.mission-item:hover {
  background: rgba(99, 102, 241, 0.1);
  transform: translateX(8px);
}

.mission-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.mission-item strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 0.25rem;
  font-size: 1.125rem;
}

.mission-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

.section-subtitle {
  color: var(--primary-light);
  font-size: 1.75rem;
  margin: var(--spacing-xl) 0 var(--spacing-lg) 0;
  text-align: center;
  font-weight: 600;
}

.missions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.mission-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.mission-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
}

.mission-card h4 {
  color: var(--primary-light);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
  font-weight: 600;
}

.mission-card ul {
  list-style: none;
}

.mission-card li {
  color: var(--text-secondary);
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
  font-size: 0.95rem;
}

.mission-card li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--secondary);
}

.competences-acquises {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.competences-acquises h4 {
  color: var(--primary-light);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  justify-content: center;
}

.tags span {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--primary);
  border-radius: var(--radius-full);
  color: var(--primary-light);
  font-size: 0.875rem;
}

/* ===== VEILLE SECTION ===== */
.veille-intro {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
  font-size: 1.125rem;
}

.veille-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.veille-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.veille-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.veille-card h3 {
  color: var(--primary-light);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.veille-card h4 {
  color: var(--secondary);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.veille-card ul,
.veille-card ol {
  color: var(--text-secondary);
  padding-left: var(--spacing-lg);
}

.veille-card li {
  margin-bottom: var(--spacing-xs);
}

.sources-list a {
  color: var(--secondary);
  text-decoration: underline;
}

.sources-list a:hover {
  color: var(--primary-light);
}

.veille-apports {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.veille-apports h3 {
  color: var(--primary-light);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.apports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-sm);
  color: var(--text-secondary);
}

/* ===== CONTACT SECTION ===== */
.contact-content {
  max-width: 600px;
  margin: 0 auto;
}

.contact-info {
  display: grid;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.contact-item:hover {
  border-color: var(--primary);
  transform: translateX(8px);
}

.contact-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.contact-item h4 {
  color: var(--primary-light);
  margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
  color: var(--text-secondary);
}

/* ===== ÉPREUVES SECTION ===== */
.epreuve-section {
  margin-bottom: var(--spacing-2xl);
}

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

.epreuve-header h2 {
  color: var(--primary-light);
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.epreuve-desc {
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.7;
}

.tableau-synthese {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.tableau-synthese h3 {
  color: var(--primary-light);
  margin-bottom: var(--spacing-lg);
  font-size: 1.5rem;
}

.pdf-viewer {
  width: 100%;
  height: 800px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: white;
  margin-bottom: var(--spacing-md);
}

.pdf-viewer iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.pdf-download {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.pdf-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.table-responsive {
  overflow-x: auto;
}

.synthese-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--spacing-md);
}

.synthese-table thead {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.synthese-table th {
  padding: var(--spacing-md);
  text-align: left;
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
}

.synthese-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  vertical-align: top;
}

.synthese-table tbody tr:hover {
  background: rgba(99, 102, 241, 0.05);
}

.synthese-table ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.synthese-table li {
  padding: 4px 0;
  padding-left: var(--spacing-md);
  position: relative;
  font-size: 0.9rem;
}

.synthese-table li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary);
}

.projet-e5 {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.projet-e5-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.projet-e5-header h3 {
  color: var(--primary-light);
  font-size: 1.75rem;
  font-weight: 600;
}

.projet-badge {
  padding: var(--spacing-xs) var(--spacing-md);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
}

.projet-e5-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.projet-e5-description {
  padding: var(--spacing-lg);
  background: rgba(99, 102, 241, 0.05);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
}

.projet-e5-description h4 {
  color: var(--primary-light);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.projet-e5-description p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1.05rem;
}

.projet-e5-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.projet-e5-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.projet-e5-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
}

.projet-e5-card h4 {
  color: var(--primary-light);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
  font-weight: 600;
}

.projet-e5-card ul {
  list-style: none;
  padding: 0;
}

.projet-e5-card li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.projet-e5-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: bold;
}

.projet-e5-competences {
  padding: var(--spacing-lg);
  background: rgba(14, 165, 233, 0.05);
  border: 1px solid var(--secondary);
  border-radius: var(--radius-lg);
}

.projet-e5-competences h4 {
  color: var(--secondary);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
  font-weight: 600;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.footer p {
  margin-bottom: var(--spacing-xs);
}

.footer-note {
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

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

@keyframes orbit {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

@keyframes fillBar {
  from { width: 0; }
  to { width: var(--width); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 10, 30, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero {
    padding-top: calc(var(--spacing-2xl) + 60px);
  }
  
  .hero-visual {
    display: none;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .skills-grid,
  .projects-grid,
  .missions-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
}