/* ============================================
   LUMÉA COMMUNICATION - DESIGN SYSTEM
   Premium, sombre, accents néon discrets
   ============================================ */

/* === VARIABLES CSS === */
:root {
  /* Couleurs principales */
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #141414;
  --color-bg-tertiary: #1a1a1a;
  --color-bg-glass: rgba(20, 20, 20, 0.85);
  
  /* Texte */
  --color-text-primary: #f5f5f5;
  --color-text-secondary: #b8b8b8;
  --color-text-muted: #888888;
  
  /* Accents néon discrets */
  --color-accent-blue: #3b82f6;
  --color-accent-violet: #8b5cf6;
  --color-accent-magenta: #d946ef;
  --color-accent-gold: #d4af37;
  
  /* Accents avec lueur */
  --glow-blue: 0 0 20px rgba(59, 130, 246, 0.3);
  --glow-violet: 0 0 20px rgba(139, 92, 246, 0.3);
  --glow-magenta: 0 0 20px rgba(217, 70, 239, 0.3);
  --glow-gold: 0 0 15px rgba(212, 175, 55, 0.2);
  
  /* Gradients */
  --gradient-overlay: linear-gradient(135deg, rgba(10, 10, 10, 0.85) 0%, rgba(20, 20, 20, 0.75) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-accent-blue) 0%, var(--color-accent-violet) 50%, var(--color-accent-magenta) 100%);
  --gradient-gold: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
  
  /* Espacements */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-2xl: 8rem;
  
  /* Typographie */
  --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 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: 3.5rem;
  --font-size-6xl: 4.5rem;
  
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Rayons */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Ombres */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
  
  /* Layout */
  --container-max-width: 1440px;
  --container-padding: 2rem;
  --grid-columns: 12;
  --grid-gap: 2rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-modal: 1030;
  --z-cookie: 1040;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

a:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

h1 {
  font-size: var(--font-size-5xl);
  font-weight: 700;
}

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(--color-text-secondary);
}

.lead {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

.text-muted {
  color: var(--color-text-muted);
}

/* === LAYOUT CONTAINER === */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  box-sizing: border-box;
}

.container-wide {
  max-width: 1600px;
}

.section {
  width: 100%;
  padding: var(--spacing-xl) 0;
}

.section-full {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding: var(--spacing-xl) 0;
}

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

/* === GRID SYSTEM === */
.grid {
  display: grid;
  gap: var(--grid-gap);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* === NAVBAR === */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: var(--spacing-sm) 0;
  width: 100%;
  overflow-x: hidden;
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  box-sizing: border-box;
}

.nav-left {
  flex: 0 0 auto;
  min-width: 0;
}

.nav-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-width: 0;
}

.nav-right {
  display: flex;
  align-items: center;
  margin-left: 24px;
  flex: 0 0 auto;
  gap: var(--spacing-sm);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  flex-wrap: nowrap;
  white-space: nowrap;
  margin: 0;
  padding: 0;
}

.navbar-link {
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color var(--transition-base);
  position: relative;
  white-space: nowrap;
  padding: var(--spacing-xs) 2px;
  flex-shrink: 0;
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--color-text-primary);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gradient-accent);
  transition: width var(--transition-base);
}

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

.navbar-cta {
  white-space: nowrap;
  flex-shrink: 0;
  height: 40px;
  padding: 0 18px;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  cursor: pointer;
  padding: var(--spacing-xs);
}

@media (max-width: 1366px) {
  .navbar-menu {
    gap: 24px;
  }
  
  .navbar-link {
    font-size: 0.75rem;
    letter-spacing: 0.05em;
  }
}

@media (max-width: 1280px) {
  .navbar-menu {
    gap: 20px;
  }
  
  .navbar-link {
    font-size: 0.7rem;
    letter-spacing: 0.04em;
  }
  
  .navbar-cta {
    height: 38px;
    padding: 0 16px;
    font-size: 0.75rem;
  }
}

@media (max-width: 1024px) {
  .navbar {
    padding: var(--spacing-sm) 0;
  }
  
  .nav-inner {
    padding: 0 20px;
    justify-content: space-between;
  }
  
  /* Réorganisation mobile : menu à gauche, contact au milieu, langues à droite */
  .nav-left {
    order: 1;
    flex: 0 0 auto;
  }
  
  .nav-center {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: var(--z-dropdown);
    order: 0; /* Ne pas compter dans le flex order */
  }
  
  .nav-center.active {
    transform: translateX(0);
  }
  
  .navbar-menu {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
    width: 100%;
  }
  
  .nav-right {
    order: 2;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: 0;
    flex: 1;
    justify-content: center;
    position: relative;
  }
  
  /* Menu hamburger dans nav-left sur mobile */
  .navbar-toggle {
    display: block;
  }
  
  /* Bouton contact au milieu sur mobile */
  .navbar-cta {
    height: 40px;
    padding: 0 16px;
    font-size: var(--font-size-xs);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
  }
  
  /* Langues à droite sur mobile */
  .country-selector-nav {
    margin-left: auto;
    margin-right: 0;
  }
}

@media (max-width: 768px) {
  .nav-inner {
    padding: 0 16px;
  }
  
  .navbar-cta {
    height: 38px;
    padding: 0 14px;
    font-size: var(--font-size-xs);
  }
  
  /* Ajustements pour très petits écrans */
  .country-selector-nav {
    gap: 0.25rem;
  }
  
  .country-link {
    font-size: 1.25rem !important;
  }
}

/* === PROCESS TIMELINE === */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-blue) 0%, var(--color-accent-violet) 50%, var(--color-accent-magenta) 100%);
  opacity: 0.3;
  z-index: 0;
}

.timeline-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.timeline-number {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--glow-blue);
  flex-shrink: 0;
}

.timeline-content h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

.timeline-content p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

@media (max-width: 1024px) {
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .process-timeline::before {
    display: none;
  }
}

@media (max-width: 768px) {
  .process-timeline {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* === BOUTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--color-text-primary);
  box-shadow: var(--glow-blue);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4), var(--glow-violet);
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-accent-blue);
  box-shadow: var(--glow-blue);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
}

.btn-ghost:hover {
  color: var(--color-text-primary);
}

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

/* === CARDS === */
.card {
  background: var(--color-bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.card-header {
  margin-bottom: var(--spacing-sm);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
}

.card-body {
  flex: 1;
  color: var(--color-text-secondary);
}

.card-footer {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* === APPROACH SECTION === */
.approach-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.approach-text {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.approach-text h3 {
  margin-bottom: var(--spacing-md);
}

.approach-text p {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
}

/* === PROCESS CARDS === */
.process-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  align-items: stretch;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.process-card {
  background: var(--color-bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.process-card:hover {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.process-number {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  flex-shrink: 0;
  box-shadow: var(--glow-blue);
}

.process-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  align-items: center;
}

.process-content h4 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  text-align: center;
}

.process-content p {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
  text-align: center;
  font-size: var(--font-size-base);
}

@media (max-width: 1024px) {
  .process-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  .process-cards {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .approach-text {
    text-align: left;
  }
}

/* === HERO === */
.hero {
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  padding: var(--spacing-2xl) 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(10, 10, 10, 0.9) 0%, rgba(20, 20, 20, 0.8) 100%);
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: var(--spacing-xl) var(--container-padding);
  margin: 0 auto;
  width: 100%;
}

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

.hero-title {
  font-size: var(--font-size-6xl);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

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

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

@media (max-width: 768px) {
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
}

/* === TRUST STRIP === */
.trust-strip {
  background: var(--color-bg-secondary);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  text-align: center;
}

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

.trust-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-xs);
}

.trust-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-primary);
}

.trust-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .trust-items {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* === SPLIT SECTION === */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.split-section.reverse {
  direction: rtl;
}

.split-section.reverse > * {
  direction: ltr;
}

.split-image {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

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

@media (max-width: 1024px) {
  .split-section {
    grid-template-columns: 1fr;
  }
  
  .split-image {
    height: 300px;
  }
}

/* === ACCORDÉON FAQ === */
.faq {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  margin-bottom: var(--spacing-sm);
}

.faq-question {
  width: 100%;
  padding: var(--spacing-md);
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-base);
}

.faq-question:hover {
  color: var(--color-accent-blue);
}

.faq-question::after {
  content: '+';
  font-size: var(--font-size-2xl);
  transition: transform var(--transition-base);
}

.faq-question.active::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, padding 0.5s ease, opacity 0.3s ease;
  padding: 0 var(--spacing-md);
  opacity: 0;
  visibility: hidden;
}

.faq-answer.active {
  max-height: 1000px;
  padding: var(--spacing-md);
  color: var(--color-text-secondary);
  opacity: 1;
  visibility: visible;
}

/* === BADGES === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.badge-primary {
  background: var(--gradient-accent);
  color: var(--color-text-primary);
}

/* === TABLE === */
.table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
}

.table th,
.table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.table th {
  font-weight: 600;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
}

.table td {
  color: var(--color-text-secondary);
}

/* === FORMULAIRE === */
.form-group {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: 0.3px;
  transition: color var(--transition-base);
}

.form-group:focus-within .form-label {
  color: var(--color-accent-blue);
}

.form-input,
.form-textarea,
select.form-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-bg-tertiary);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: all var(--transition-base);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.form-input:hover,
.form-textarea:hover,
select.form-input:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  transform: translateY(-1px);
}

.form-input:focus,
.form-textarea:focus,
select.form-input:focus {
  outline: none;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1), var(--glow-blue);
  background: var(--color-bg-secondary);
  transform: translateY(-2px);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

select.form-input {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath fill='%23b8b8b8' d='M7 10L2 5h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-md) center;
  padding-right: calc(var(--spacing-lg) + 25px);
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  font-weight: 600;
  text-align: left;
}

select.form-input option {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  padding: var(--spacing-sm);
}

/* Styles spécifiques pour le sélecteur d'indicatif téléphone */
.phone-prefix-select {
  width: 130px;
  flex-shrink: 0;
  padding: var(--spacing-md) var(--spacing-lg);
  padding-right: calc(var(--spacing-lg) + 30px);
  background-color: #1a1a1a;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath fill='%23f5f5f5' d='M7 10L2 5h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  color: #f5f5f5;
  font-size: var(--font-size-base);
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  transition: all var(--transition-base);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.phone-prefix-select:hover {
  background-color: #141414;
  border-color: rgba(255, 255, 255, 0.12);
}

.phone-prefix-select:focus {
  outline: none;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1), var(--glow-blue);
  background-color: #141414;
}

.phone-prefix-select option {
  background-color: #141414;
  color: #f5f5f5;
  padding: 12px;
  font-weight: 600;
}

.phone-prefix-select option:checked {
  background-color: #1a1a1a;
  color: #f5f5f5;
}

/* Force la visibilité du texte sélectionné dans tous les navigateurs */
.phone-prefix-select,
.phone-prefix-select:focus,
.phone-prefix-select:hover,
.phone-prefix-select:active {
  color: #f5f5f5 !important;
  background-color: #1a1a1a !important;
}

select.form-input:hover {
  background-color: var(--color-bg-secondary);
}

select.form-input:focus {
  background-color: var(--color-bg-secondary);
}

.form-textarea {
  min-height: 160px;
  resize: vertical;
  line-height: 1.6;
}

.form-message {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  display: none;
  font-weight: 500;
  line-height: 1.6;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-message.success {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.1) 100%);
  border: 2px solid var(--color-accent-blue);
  color: var(--color-accent-blue);
  display: block;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}

.form-message.error {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(217, 70, 239, 0.1) 100%);
  border: 2px solid #ef4444;
  color: #ef4444;
  display: block;
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.2);
}

/* === FOOTER === */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-link {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  transition: color var(--transition-base);
}

.footer-link:hover {
  color: var(--color-text-primary);
}

.footer-bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* === COOKIE BANNER === */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md);
  z-index: var(--z-cookie);
  display: none;
}

.cookie-banner.active {
  display: block;
}

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

.cookie-text {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.cookie-actions {
  display: flex;
  gap: var(--spacing-sm);
}

@media (max-width: 768px) {
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
}

/* === UTILITIES === */
.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* Par défaut, les éléments sont visibles (pour fonctionner sans JS) */
.fade-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

/* Si JavaScript est disponible, on cache d'abord puis on anime au scroll */
.js-enabled .fade-in {
  opacity: 0;
  transform: translateY(20px);
}

.js-enabled .fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === 404 PAGE === */
.error-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl);
}

.error-code {
  font-size: 8rem;
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
}

.error-message {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}

/* === BLOG FILTERS === */
.blog-filters {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.filter-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-accent);
  border-color: transparent;
  color: var(--color-text-primary);
}

/* === ARTICLE === */
.article-header {
  margin-bottom: var(--spacing-xl);
}

.article-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

.article-content h2,
.article-content h3 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.article-content img {
  width: 100%;
  border-radius: var(--radius-lg);
  margin: var(--spacing-lg) 0;
}

.article-content blockquote {
  border-left: 3px solid var(--color-accent-blue);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.article-toc {
  position: sticky;
  top: 100px;
  background: var(--color-bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.article-toc h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.article-toc ul {
  list-style: none;
}

.article-toc li {
  margin-bottom: var(--spacing-xs);
}

.article-toc a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: color var(--transition-base);
}

.article-toc a:hover {
  color: var(--color-accent-blue);
}

/* === RESPONSIVE === */
@media (max-width: 1440px) {
  :root {
    --container-padding: 1.5rem;
  }
}

@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-6xl: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --font-size-4xl: 2rem;
    --font-size-5xl: 2rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
}