/* ============================================
   PORTFOLIO ANIMÉ - SAMUEL MASQUÉ
   Style CSS avec animations avancées
   ============================================ */

/* CSS Reset & Variables */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Couleurs principales */
  --primary-bg: #0d1117;
  --secondary-bg: #161b22;
  --card-bg: #21262d;
  --accent-color: #58a6ff;
  --accent-hover: #4a90e2;
  --gradient-start: #58a6ff;
  --gradient-end: #8b5cf6;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #6a737d;
  --border-color: #30363d;
  --success-color: #238636;
  --warning-color: #f85149;

  /* Typographie */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
    "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;

  /* Espacement */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Bordures */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;

  /* Ombres */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(88, 166, 255, 0.3);
}

/* Accessibilité - Skip to main content */
.skip-to-main {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: 1rem 1.5rem;
  background-color: var(--accent-color);
  color: var(--primary-bg);
  text-decoration: none;
  font-weight: bold;
  border-radius: var(--border-radius-md);
}

.skip-to-main:focus {
  left: 50%;
  top: 1rem;
  transform: translateX(-50%);
}

/* Bouton admin secret */
.admin-secret-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: rgba(33, 38, 45, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  text-decoration: none;
  opacity: 0.15;
  transition: all 0.3s ease;
  z-index: 999;
  cursor: pointer;
}

.admin-secret-btn:hover {
  opacity: 1;
  background: var(--card-bg);
  border-color: var(--accent-color);
  transform: scale(1.1) rotate(90deg);
  box-shadow: 0 0 20px rgba(88, 166, 255, 0.3);
}

/* Base Styles */
html {
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--primary-bg);
  margin: 0;
  overflow-x: hidden;
  position: relative;
}

/* Arrière-plan avec particules animées */
.particles-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(
      circle at 20% 20%,
      rgba(88, 166, 255, 0.05) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(139, 92, 246, 0.05) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 50% 50%,
      rgba(88, 166, 255, 0.03) 0%,
      transparent 70%
    );
  animation: particlesFloat 20s ease-in-out infinite;
}

/* Styles pour les particules individuelles */
.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--accent-color);
  border-radius: 50%;
  opacity: 0.5;
  animation: particleFloat 15s linear infinite;
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 0.5;
  }
  90% {
    opacity: 0.5;
  }
  100% {
    transform: translateY(-10vh) translateX(100px);
    opacity: 0;
  }
}

@keyframes particlesFloat {
  0%,
  100% {
    opacity: 0.4;
    transform: translateY(0);
  }
  50% {
    opacity: 0.7;
    transform: translateY(-20px);
  }
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-5xl);
}
h2 {
  font-size: var(--font-size-4xl);
}
h3 {
  font-size: var(--font-size-3xl);
}
h4 {
  font-size: var(--font-size-2xl);
}
h5 {
  font-size: var(--font-size-xl);
}
h6 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

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

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

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-lg);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
  border-radius: 2px;
  animation: lineExpand 1s ease-out;
}

@keyframes lineExpand {
  from {
    width: 0;
  }
  to {
    width: 60px;
  }
}

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

/* Texte gradient animé */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-color), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 3s ease infinite;
  background-size: 200% 200%;
}

@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* Buttons avec animations */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--font-family);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: white;
  border: 2px solid transparent;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--accent-color);
  border: 2px solid var(--accent-color);
}

.btn-secondary:hover {
  background: var(--accent-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-animated {
  animation: pulseButton 2s ease-in-out infinite;
}

@keyframes pulseButton {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(88, 166, 255, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(88, 166, 255, 0);
  }
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-icon {
  font-size: 1.2em;
  transition: transform var(--transition-normal);
}

.btn-primary:hover .btn-icon,
.btn-secondary:hover .btn-icon {
  transform: translateX(5px);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all var(--transition-normal);
  padding: var(--spacing-md) var(--spacing-lg);
  animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

.header.scrolled {
  padding: var(--spacing-sm) var(--spacing-lg);
  box-shadow: var(--shadow-lg);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  transition: transform var(--transition-normal);
}

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

.logo-bracket {
  color: var(--accent-color);
  animation: pulseBracket 2s ease-in-out infinite;
}

@keyframes pulseBracket {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

.logo-text {
  color: var(--text-primary);
}

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

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
  padding: var(--spacing-sm) 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-color);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
  padding: var(--spacing-sm);
  transition: transform var(--transition-normal);
}

.mobile-menu-toggle:hover {
  transform: scale(1.1);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
  border-radius: 2px;
}

/* Animation du menu burger quand il est actif */
.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl) 0;
  padding-top: calc(var(--spacing-3xl) + 80px);
  background: linear-gradient(
    135deg,
    var(--primary-bg) 0%,
    var(--secondary-bg) 100%
  );
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(
      circle at 25% 25%,
      rgba(88, 166, 255, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 75% 75%,
      rgba(139, 92, 246, 0.1) 0%,
      transparent 50%
    );
  pointer-events: none;
  animation: heroGlow 10s ease-in-out infinite;
}

@keyframes heroGlow {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 2;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-text {
  z-index: 2;
}

.greeting {
  font-size: var(--font-size-lg);
  color: var(--accent-color);
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  line-height: 1.1;
}

.title-line {
  display: block;
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  font-weight: 400;
  min-height: 2.5rem;
}

.typing-text {
  display: inline-block;
  min-height: 1.2em;
}

.typing-cursor {
  display: inline-block;
  background-color: var(--accent-color);
  width: 3px;
  height: 1.2em;
  margin-left: 2px;
  animation: blink 1s infinite;
  vertical-align: baseline;
  border-radius: 2px;
}

@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 500px;
  line-height: 1.8;
}

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

.social-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}

.social-link:hover {
  background: var(--accent-color);
  color: white;
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-container {
  position: relative;
  width: 350px;
  height: 350px;
}

.image-float {
  position: relative;
  width: 100%;
  height: 100%;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--accent-color);
  position: relative;
  z-index: 2;
  box-shadow: 0 0 30px rgba(88, 166, 255, 0.3);
}

.pulse-animation {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.image-decoration {
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  border: 2px solid var(--accent-color);
  border-radius: 50%;
  z-index: 1;
}

.rotation-animation {
  animation: rotate 20s linear infinite;
}

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

.image-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  background: radial-gradient(
    circle,
    rgba(88, 166, 255, 0.2) 0%,
    transparent 70%
  );
  transform: translate(-50%, -50%);
  z-index: 0;
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
  0%,
  100% {
    opacity: 0.5;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
  }
}

/* Indicateur de scroll */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  color: var(--accent-color);
  cursor: pointer;
  z-index: 10;
}

.bounce-animation {
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-15px);
  }
}

/* Animations générales */
.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
  opacity: 0;
}

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

.animate-slide-in {
  animation: slideIn 0.8s ease-out forwards;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-left {
  animation: slideInLeft 0.8s ease-out forwards;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out forwards;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-text {
  animation: slideInText 1s ease-out;
}

@keyframes slideInText {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.floating-card {
  animation: floatingCard 3s ease-in-out infinite;
}

@keyframes floatingCard {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.floating {
  animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

.pulse-icon {
  animation: pulseIcon 2s ease-in-out infinite;
}

@keyframes pulseIcon {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.pulse-dot {
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(88, 166, 255, 0.7);
  }
  50% {
    transform: scale(1.1);
    box-shadow: 0 0 0 10px rgba(88, 166, 255, 0);
  }
}

.pulse-badge {
  animation: pulseBadge 2s ease-in-out infinite;
}

@keyframes pulseBadge {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(88, 166, 255, 0.4);
  }
  50% {
    box-shadow: 0 0 0 5px rgba(88, 166, 255, 0);
  }
}

.pulse-tag {
  animation: pulseTag 3s ease-in-out infinite;
}

@keyframes pulseTag {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.rotate-icon {
  animation: rotateIcon 10s linear infinite;
}

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

.rotate-slow {
  animation: rotateSlow 20s linear infinite;
}

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

.hover-lift {
  transition: all var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.hover-card {
  transition: all var(--transition-normal);
}

.hover-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.wave-text {
  animation: waveText 2s ease-in-out infinite;
}

@keyframes waveText {
  0%,
  100% {
    transform: translateY(0);
  }
  25% {
    transform: translateY(-5px);
  }
  75% {
    transform: translateY(5px);
  }
}

/* Section About */
.about-section {
  padding: var(--spacing-3xl) 0;
  background: var(--primary-bg);
  position: relative;
  z-index: 1;
  scroll-margin-top: 80px;
}

.about-summary {
  margin-bottom: var(--spacing-3xl);
  display: flex;
  justify-content: center;
}

.summary-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  background: var(--card-bg);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  max-width: 600px;
  transition: all var(--transition-normal);
}

.summary-card:hover {
  border-color: var(--accent-color);
  box-shadow: var(--shadow-glow);
}

.summary-icon {
  font-size: 3rem;
}

.summary-content h3 {
  margin-bottom: var(--spacing-sm);
}

.summary-content p {
  margin: 0;
}

/* Timeline */
.timeline-section {
  margin: var(--spacing-3xl) 0;
}

.timeline-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-color), var(--gradient-end));
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-3xl);
  width: calc(50% - 40px);
}

.timeline-item:nth-child(odd) {
  margin-left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  margin-left: calc(50% + 40px);
  text-align: left;
}

.timeline-dot {
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--accent-color);
  border-radius: 50%;
  top: 0;
  border: 4px solid var(--primary-bg);
  box-shadow: 0 0 0 4px var(--accent-color);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -50px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -50px;
}

.timeline-content {
  background: var(--card-bg);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.timeline-content:hover {
  border-color: var(--accent-color);
  transform: scale(1.02);
  box-shadow: var(--shadow-glow);
}

.timeline-year {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-color), var(--gradient-end));
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.timeline-content h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.timeline-content p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

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

.timeline-item:nth-child(even) .timeline-tags {
  justify-content: flex-start;
}

.tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--secondary-bg);
  color: var(--accent-color);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.tag:hover {
  background: var(--accent-color);
  color: white;
  transform: scale(1.05);
}

.experience-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
}

.experience-list li {
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
}

.featured-experience {
  border: 2px solid var(--accent-color);
  background: linear-gradient(135deg, var(--card-bg), var(--secondary-bg));
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

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

.stat-card:hover {
  border-color: var(--accent-color);
  box-shadow: var(--shadow-glow);
  transform: translateY(-10px);
}

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

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.about-cta {
  text-align: center;
  margin-top: var(--spacing-3xl);
}

/* Skills Section */
.skills-section {
  padding: var(--spacing-3xl) 0;
  background: var(--secondary-bg);
  position: relative;
  z-index: 1;
  scroll-margin-top: 120px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

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

.skill-category:hover {
  border-color: var(--accent-color);
  transform: translateY(-10px);
  box-shadow: var(--shadow-glow);
}

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

.category-header h3 {
  margin: 0;
}

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

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

.skill-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--secondary-bg);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  flex-wrap: wrap;
}

.skill-item:hover {
  background: var(--card-bg);
  border-color: var(--accent-color);
  transform: translateX(10px);
}

.tech-icon {
  font-size: 1.5rem;
}

.skill-bar {
  flex: 1;
  height: 6px;
  background: var(--primary-bg);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  margin-top: var(--spacing-sm);
  width: 100%;
}

.skill-progress {
  background: linear-gradient(90deg, var(--accent-color), var(--gradient-end));
  border-radius: var(--border-radius-sm);
  animation: fillProgress 1.5s ease-out forwards;
  transform-origin: left;
}

@keyframes fillProgress {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

/* Styles supplémentaires pour les classes manquantes */
.skill-card {
  background: var(--card-bg);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  text-align: center;
}

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

.skill-card h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

/* Styles pour les éléments de skill-card */
.skill-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: var(--font-size-2xl);
  color: white;
}

.skill-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.skill-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-lg) 0;
  text-align: left;
}

.skill-list li {
  padding: var(--spacing-xs) 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: var(--spacing-lg);
}

.skill-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

.skill-progress {
  width: 100%;
  margin-top: var(--spacing-lg);
}

.progress-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.progress-track {
  flex: 1;
  height: 8px;
  background: var(--secondary-bg);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  position: relative;
}

.progress-fill {
  height: 8px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
  border-radius: 4px;
  transition: width 2s ease-out;
  display: block;
}

.progress-fill.animate[data-width="90"] {
  width: 90%;
}
.progress-fill.animate[data-width="85"] {
  width: 85%;
}
.progress-fill.animate[data-width="80"] {
  width: 80%;
}
.progress-fill.animate[data-width="75"] {
  width: 75%;
}

.progress-text {
  font-size: var(--font-size-sm);
  color: var(--accent-color);
  font-weight: 600;
  min-width: 35px;
  text-align: right;
}

/* Styles pour les icônes de technologies dans les skill cards */
.skill-technologies {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.tech-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.tech-icon-item {
  width: 32px;
  height: 32px;
  object-fit: contain;
  transition: all var(--transition-fast);
  opacity: 0.8;
  border-radius: var(--border-radius-sm);
  padding: 2px;
}

.tech-icon-item:hover {
  opacity: 1;
  transform: scale(1.1);
  filter: drop-shadow(0 4px 8px rgba(88, 166, 255, 0.3));
}

@keyframes fillProgressBar {
  from {
    width: 0%;
  }
  to {
    width: var(--progress-width);
  }
}

.tech-showcase {
  margin-top: var(--spacing-3xl);
  text-align: center;
}

.tech-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-2xl);
  color: var(--text-primary);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--card-bg);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.tech-item:hover {
  transform: translateY(-5px);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-md);
}

.tech-item .tech-icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

.tech-item span {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

/* Projects Section */
.projects-section {
  padding: var(--spacing-3xl) 0;
  background: var(--primary-bg);
  position: relative;
  z-index: 1;
  scroll-margin-top: 80px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.project-card {
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-15px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-color);
}

.project-image {
  position: relative;
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--secondary-bg), var(--card-bg));
  overflow: hidden;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(13, 17, 23, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

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

.project-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.project-link:hover {
  background: var(--accent-color);
  color: white;
  transform: scale(1.2);
}

.project-content {
  padding: var(--spacing-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

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

.project-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
  flex: 1;
}

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

.tech-tag {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--secondary-bg);
  color: var(--accent-color);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background: var(--accent-color);
  color: white;
  transform: scale(1.05);
}

.projects-cta {
  text-align: center;
  margin-top: var(--spacing-3xl);
}

/* Contact Section */
.contact-section {
  padding: var(--spacing-3xl) 0;
  background: var(--secondary-bg);
  scroll-margin-top: 80px;
  position: relative;
  z-index: 10;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-top: var(--spacing-2xl);
}

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

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

.contact-item:hover {
  border-color: var(--accent-color);
  transform: translateX(10px);
  box-shadow: var(--shadow-lg);
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.contact-icon .icon {
  font-size: 1.5rem;
}

.contact-details h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.contact-details p {
  color: var(--text-secondary);
  margin: 0;
}

.contact-details a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.contact-details a:hover {
  color: var(--accent-color);
}

/* Contact Form */
.contact-form {
  background: var(--card-bg);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2);
  transform: translateY(-2px);
}

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

/* Footer */
.footer {
  background: var(--secondary-bg);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  position: relative;
  z-index: 1;
}

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

.footer-info h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.footer-info p {
  color: var(--text-secondary);
  margin: 0;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.footer-bottom p {
  color: var(--text-muted);
  margin: 0;
}

/* Styles pour les icônes emojis */
.icon {
  font-size: 1.5rem;
  display: inline-block;
  line-height: 1;
}

/* Page Hero (pour pages parcours et projets) */
.page-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl) 0;
  padding-top: calc(var(--spacing-3xl) + 80px);
  background: linear-gradient(
    135deg,
    var(--primary-bg) 0%,
    var(--secondary-bg) 100%
  );
  position: relative;
  z-index: 1;
  overflow: hidden;
  text-align: center;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(
      circle at 25% 25%,
      rgba(88, 166, 255, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 75% 75%,
      rgba(139, 92, 246, 0.1) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.page-hero-content {
  position: relative;
  z-index: 2;
}

.page-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: var(--spacing-lg);
}

.page-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* Timeline détaillée (page parcours) */
.detailed-timeline-section {
  padding: var(--spacing-3xl) 0;
  background: var(--primary-bg);
  position: relative;
  z-index: 1;
}

.timeline-year-block {
  margin-bottom: var(--spacing-3xl);
}

.year-header {
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.year-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-color), var(--gradient-end));
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  font-weight: 700;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

.year-header h2 {
  font-size: var(--font-size-3xl);
}

.experience-detail-card {
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  margin-bottom: var(--spacing-xl);
  transition: all var(--transition-normal);
}

.experience-detail-card:hover {
  border-color: var(--accent-color);
  box-shadow: var(--shadow-xl);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--secondary-bg);
  border-bottom: 1px solid var(--border-color);
}

.company-logo {
  font-size: 3rem;
  width: 80px;
  height: 80px;
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-color);
}

.company-info h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

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

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

.experience-type-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-color), var(--gradient-end));
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.section-subtitle-small {
  font-size: var(--font-size-xl);
  color: var(--accent-color);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.detailed-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
}

.list-item-animated {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  background: var(--secondary-bg);
  border-radius: var(--border-radius-md);
  border-left: 3px solid var(--accent-color);
  transition: all var(--transition-normal);
  animation: slideInItem 0.6s ease-out;
}

@keyframes slideInItem {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.list-item-animated:hover {
  background: var(--card-bg);
  transform: translateX(10px);
}

.list-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.list-item-animated strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.list-item-animated p {
  color: var(--text-secondary);
  margin: 0;
  font-size: var(--font-size-sm);
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.tech-badge {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--primary-bg);
  color: var(--accent-color);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.tech-badge:hover {
  background: var(--accent-color);
  color: white;
  transform: translateY(-3px);
}

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

.skill-badge {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--secondary-bg);
  color: var(--text-secondary);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.skill-badge:hover {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

/* Évolution des compétences */
.skills-evolution-section {
  padding: var(--spacing-3xl) 0;
  background: var(--secondary-bg);
  position: relative;
  z-index: 1;
}

.skills-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

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

.skill-evolution-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-10px);
  box-shadow: var(--shadow-glow);
}

.skill-year {
  display: inline-block;
  background: var(--accent-color);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.skill-evolution-card h3 {
  margin-bottom: var(--spacing-lg);
}

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

/* Page Projets */
.projects-filter-section {
  padding: var(--spacing-xl) 0;
  background: var(--secondary-bg);
  position: relative;
  z-index: 1;
  position: sticky;
  top: 80px;
}

.filter-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.filter-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--card-bg);
  color: var(--text-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-family);
}

.filter-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-3px);
}

.filter-btn.active {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

.filter-icon {
  font-size: 1.2rem;
}

.projects-gallery-section {
  padding: var(--spacing-3xl) 0;
  background: var(--primary-bg);
  position: relative;
  z-index: 1;
}

.project-detailed-card {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xl);
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  margin-bottom: var(--spacing-3xl);
  transition: all var(--transition-normal);
}

.project-detailed-card:hover {
  border-color: var(--accent-color);
  box-shadow: var(--shadow-xl);
}

.project-showcase {
  position: relative;
}

.project-preview {
  width: 100%;
  height: 100%;
  min-height: 400px;
  background: linear-gradient(135deg, var(--secondary-bg), var(--card-bg));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.preview-placeholder {
  text-align: center;
}

.preview-icon {
  font-size: 5rem;
  display: block;
  margin-bottom: var(--spacing-md);
}

.preview-placeholder p {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
}

.project-overlay-hover {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(88, 166, 255, 0.1),
    rgba(139, 92, 246, 0.1)
  );
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.project-badges {
  position: absolute;
  top: var(--spacing-lg);
  left: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.badge-featured,
.badge-status {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  backdrop-filter: blur(10px);
}

.badge-featured {
  background: linear-gradient(
    135deg,
    rgba(255, 215, 0, 0.9),
    rgba(255, 165, 0, 0.9)
  );
  color: var(--primary-bg);
}

.badge-status {
  background: rgba(35, 134, 54, 0.9);
  color: white;
}

.project-info {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
}

.project-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.project-category,
.project-date {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--secondary-bg);
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
}

.project-title-large {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
}

.project-description-detailed {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
}

.project-features {
  margin-bottom: var(--spacing-xl);
}

.features-title {
  font-size: var(--font-size-lg);
  color: var(--accent-color);
  margin-bottom: var(--spacing-md);
}

.features-list {
  list-style: none;
  padding: 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
}

.feature-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.project-tech-stack {
  margin-bottom: var(--spacing-xl);
}

.tech-stack-title {
  font-size: var(--font-size-lg);
  color: var(--accent-color);
  margin-bottom: var(--spacing-md);
}

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

.tech-tag-large {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--secondary-bg);
  color: var(--accent-color);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.tech-tag-large:hover {
  background: var(--accent-color);
  color: white;
  transform: translateY(-3px);
}

.project-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: auto;
}

.btn-project,
.btn-project-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-md);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-normal);
  font-family: var(--font-family);
}

.btn-project {
  background: var(--accent-color);
  color: white;
  border: none;
}

.btn-project:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.btn-project-secondary {
  background: transparent;
  color: var(--accent-color);
  border: 2px solid var(--accent-color);
}

.btn-project-secondary:hover {
  background: var(--accent-color);
  color: white;
  transform: translateY(-3px);
}

/* Stats section (page projets) */
.projects-stats-section {
  padding: var(--spacing-3xl) 0;
  background: var(--secondary-bg);
  position: relative;
  z-index: 1;
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-3xl) 0;
  background: var(--primary-bg);
  position: relative;
  z-index: 1;
}

.cta-content {
  background: linear-gradient(135deg, var(--card-bg), var(--secondary-bg));
  padding: var(--spacing-3xl);
  border-radius: var(--border-radius-xl);
  border: 1px solid var(--border-color);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

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

/* Responsive Design */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
  }

  .hero-image {
    order: -1;
    justify-content: center;
  }

  .image-container {
    width: 280px;
    height: 280px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .timeline::before {
    left: 30px;
  }

  .timeline-item {
    width: calc(100% - 80px);
    margin-left: 80px !important;
    text-align: left !important;
  }

  .timeline-item .timeline-dot {
    left: -50px !important;
  }

  .timeline-tags {
    justify-content: flex-start !important;
  }

  .project-detailed-card {
    grid-template-columns: 1fr;
  }

  .project-preview {
    min-height: 300px;
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
    z-index: 1001; /* Au-dessus de la navigation */
  }

  /* S'assurer que le header est visible sur mobile */
  .header {
    position: fixed;
    z-index: 1000;
    width: 100%;
  }

  /* Cacher la navigation desktop sur mobile */
  .header-content .navigation {
    display: none !important;
  }

  /* Afficher la navigation mobile quand elle est active */
  .header-content .navigation.active {
    display: block !important;
  }

  /* Backdrop pour le menu mobile */
  .navigation::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .navigation.active::before {
    opacity: 1;
    visibility: visible;
  }

  .navigation {
    position: fixed;
    top: 70px; /* Hauteur du header */
    left: 0;
    width: 100%;
    background: var(--primary-bg);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all var(--transition-normal);
    display: none; /* Caché par défaut sur mobile */
  }

  .navigation.active {
    display: block !important;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-lg);
    margin: 0;
  }

  .nav-link {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    transition: all var(--transition-fast);
  }

  .nav-link:hover {
    background: var(--card-bg);
    padding-left: var(--spacing-lg);
    color: var(--accent-color);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero-section {
    padding: var(--spacing-2xl) 0;
    min-height: calc(100vh - 80px);
    padding-top: calc(var(--spacing-2xl) + 100px);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .projects-grid,
  .skills-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .footer-content {
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .image-container {
    width: 250px;
    height: 250px;
  }

  .filter-buttons {
    flex-direction: column;
  }

  .filter-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-xl);
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

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

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .contact-form {
    padding: var(--spacing-lg);
  }

  .hero-section {
    padding-top: calc(var(--spacing-xl) + 80px);
  }

  .image-container {
    width: 220px;
    height: 220px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .project-actions {
    flex-direction: column;
  }
}

/* Smooth scrolling for anchor links */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* ============================================
   TIMELINE HORIZONTALE - Nouvelle section
   ============================================ */

.timeline-section-horizontal {
  margin: var(--spacing-3xl) 0;
  position: relative;
}

.timeline-navigation {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.timeline-nav-btn {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  color: var(--accent-color);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: var(--font-size-xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-nav-btn:hover:not(:disabled) {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
  transform: scale(1.1);
}

.timeline-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.timeline-nav-btn:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

.timeline-horizontal-container {
  overflow-x: auto;
  overflow-y: hidden;
  padding: var(--spacing-2xl) var(--spacing-md);
  margin: 0 auto;
  max-width: 100%;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* Scrollbar personnalisée */
.timeline-horizontal-container::-webkit-scrollbar {
  height: 8px;
}

.timeline-horizontal-container::-webkit-scrollbar-track {
  background: var(--secondary-bg);
  border-radius: 10px;
}

.timeline-horizontal-container::-webkit-scrollbar-thumb {
  background: var(--accent-color);
  border-radius: 10px;
}

.timeline-horizontal-container::-webkit-scrollbar-thumb:hover {
  background: var(--accent-hover);
}

.timeline-horizontal {
  display: flex;
  gap: var(--spacing-3xl);
  position: relative;
  min-width: min-content;
  padding: var(--spacing-xl) 0;
}

.timeline-line {
  position: absolute;
  top: 30px;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-color), var(--gradient-end));
  border-radius: 2px;
}

.timeline-item-horizontal {
  position: relative;
  min-width: 320px;
  max-width: 400px;
  flex-shrink: 0;
}

.timeline-dot-horizontal {
  position: absolute;
  width: 24px;
  height: 24px;
  background: var(--accent-color);
  border-radius: 50%;
  top: 18px;
  left: 47%;
  transform: translateX(-50%);
  border: 4px solid var(--primary-bg);
  box-shadow: 0 0 0 4px var(--accent-color);
  z-index: 2;
}

.timeline-content-horizontal {
  background: var(--card-bg);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 2px solid var(--border-color);
  margin-top: 60px;
  transition: all var(--transition-normal);
  position: relative;
}

.timeline-content-horizontal::before {
  content: "";
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 12px solid transparent;
  border-right: 12px solid transparent;
  border-bottom: 12px solid var(--border-color);
}

.timeline-content-horizontal::after {
  content: "";
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 10px solid var(--card-bg);
}

.timeline-content-horizontal:hover {
  border-color: var(--accent-color);
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(88, 166, 255, 0.2);
}

.timeline-content-horizontal h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.timeline-subtitle {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  font-style: italic;
  margin-bottom: var(--spacing-sm);
}

.timeline-content-horizontal p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

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

/* ============================================
   AMÉLIORATIONS D'ACCESSIBILITÉ
   ============================================ */

/* Focus visible pour tous les éléments interactifs */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

/* Messages d'erreur pour les formulaires */
.error-message {
  display: none;
  color: var(--warning-color);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.form-group.error .error-message {
  display: block;
}

.form-group.error input,
.form-group.error textarea {
  border-color: var(--warning-color);
}

/* Message de succès */
.success-message {
  display: block;
  color: var(--success-color);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid var(--success-color);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  animation: fadeInUp 0.3s ease-out;
}

/* Amélioration du contraste pour les textes */
.section-subtitle {
  color: #b1b9c3;
}

/* Bouton scroll to top avec focus */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background: var(--accent-hover);
  transform: translateY(-5px);
}

.scroll-to-top:focus-visible {
  outline: 3px solid white;
  outline-offset: 2px;
}

/* Alias pour back-to-top utilisé dans le JavaScript */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent-hover);
  transform: translateY(-5px);
}

.back-to-top:focus-visible {
  outline: 3px solid white;
  outline-offset: 2px;
}

/* ============================================
   OPTIMISATIONS PERFORMANCE
   ============================================ */

/* Lazy loading pour les images */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* Préchargement des polices */
@font-face {
  font-family: "system-ui";
  font-display: swap;
}

/* Réduction du motion pour l'accessibilité */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .scroll-indicator {
    animation: none;
  }
}

/* ============================================
   RESPONSIVE - Timeline horizontale
   ============================================ */

@media (max-width: 768px) {
  .timeline-horizontal-container {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .timeline-item-horizontal {
    min-width: 280px;
    max-width: 320px;
  }

  .timeline-content-horizontal {
    padding: var(--spacing-lg);
  }

  .timeline-navigation {
    margin-bottom: var(--spacing-lg);
  }

  .timeline-nav-btn {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-lg);
  }

  /* Responsive pour la section skills */
  .skills-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .skill-card {
    padding: var(--spacing-lg);
  }

  .skill-icon {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-xl);
  }
}

@media (max-width: 480px) {
  .timeline-item-horizontal {
    min-width: 240px;
    max-width: 280px;
  }

  .timeline-content-horizontal {
    padding: var(--spacing-md);
  }

  .timeline-content-horizontal h4 {
    font-size: var(--font-size-base);
  }
}

/* ============================================
   AMÉLIORATIONS SEO & PERFORMANCE
   ============================================ */

/* Images optimisées */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Liens externes avec icône */
a[target="_blank"]:not(.social-link)::after {
  content: " ↗";
  font-size: 0.8em;
  opacity: 0.7;
}

/* Amélioration de la lisibilité */
p,
li {
  max-width: 70ch;
}

.timeline-content-horizontal p,
.timeline-content p {
  max-width: 100%;
}

/* Focus pour le mobile menu toggle */
.mobile-menu-toggle:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 4px;
}

/* Stats grid amélioré */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-3xl) 0;
}

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

.stat-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

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

.stat-value {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-color), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
}

/* About CTA */
.about-cta {
  text-align: center;
  margin-top: var(--spacing-3xl);
}

/* Amélioration du contraste des tags */
.tag {
  background: rgba(88, 166, 255, 0.1);
  color: var(--accent-color);
  border: 1px solid rgba(88, 166, 255, 0.3);
}

.tag:hover {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

/* Print styles */
@media print {
  .header,
  .scroll-indicator,
  .scroll-to-top,
  .particles-background,
  .timeline-navigation {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .timeline-horizontal-container {
    overflow: visible;
  }

  .timeline-horizontal {
    flex-direction: column;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #ffffff;
    --text-secondary: #e0e0e0;
  }

  .btn-primary,
  .btn-secondary {
    border: 2px solid currentColor;
  }
}

/* Focus visible amélioré pour l'accessibilité */
*:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Dark mode specifics (déjà en dark par défaut) */
@media (prefers-color-scheme: dark) {
  /* Optimisations supplémentaires si nécessaire */
  :root {
    color-scheme: dark;
  }
}