/*
============================================
RG-ADV - Feuille de styles principale
============================================

STRUCTURE :
1. Variables CSS (Design System)
2. Reset & Base
3. Utilities
4. Layout (Container, Grid)
5. Header & Navigation
6. Sections
7. Components
8. Animations
9. Responsive
10. Accessibility & Motion Preferences

DESIGN CONCEPT :
"Bienveillance moderne" - Palette douce (bleu apaisant, terre/corail)
Typographie : Crimson Pro (display), DM Sans (body)
Espaces généreux, animations subtiles, focus sur accessibilité
*/

/* ========================================
   1. VARIABLES CSS - DESIGN SYSTEM
======================================== */
:root {
  /* Typographie */
  --font-display: 'Crimson Pro', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Couleurs principales - Palette "Bleu Nuit" */
  --color-primary: #1E3A5F;        /* Bleu nuit profond */
  --color-primary-light: #3B5A82;
  --color-primary-dark: #0F2541;
  --color-primary-glow: rgba(30, 58, 95, 0.12);
  --color-secondary: #D4947A;      /* Terre/corail doux (contraste chaleureux) */
  --color-secondary-light: #E5B199;
  --color-accent: #C67B5C;         /* Accent chaleureux */

  /* Tons neutres */
  --color-background: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-surface-alt: #EEF2F7;
  --color-text: #0F2541;
  --color-text-light: #4A5B75;
  --color-text-muted: #7C8AA0;
  --color-border: #DCE3EC;
  
  /* Feedback couleurs */
  --color-success: #6EAB8A;
  --color-info: #5B8FA3;
  --color-warning: #E8A87C;
  --color-error: #D97066;
  
  /* Espacements */
  --space-xs: 0.5rem;    /* 8px */
  --space-sm: 0.75rem;   /* 12px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4rem;     /* 64px */
  --space-4xl: 6rem;     /* 96px */
  
  /* Layout */
  --container-max: 1200px;
  --container-padding: var(--space-lg);
  --section-padding: var(--space-4xl);
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Ombres */
  --shadow-sm: 0 2px 4px rgba(44, 62, 74, 0.06);
  --shadow-md: 0 4px 12px rgba(44, 62, 74, 0.08);
  --shadow-lg: 0 8px 24px rgba(44, 62, 74, 0.12);
  --shadow-xl: 0 12px 36px rgba(44, 62, 74, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 400ms ease-in-out;
  
  /* Header */
  --header-height: 80px;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1050;
}

/* ========================================
   2. RESET & BASE
======================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden;
}

/* Typographie de base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.375rem, 3vw, 1.875rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-md);
}

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

a:hover {
  color: var(--color-primary-dark);
}

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

ul, ol {
  list-style-position: inside;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ========================================
   3. UTILITIES
======================================== */
.container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

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

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-3xl);
}

.section-eyebrow {
  display: block;
  width: max-content;
  max-width: 100%;
  margin: 0 auto var(--space-lg);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-primary);
  padding: 6px 16px;
  background-color: var(--color-primary-glow);
  border-radius: var(--radius-full);
}

.section-eyebrow-light {
  color: white;
  background-color: rgba(255, 255, 255, 0.18);
}

.section-title {
  position: relative;
  display: block;
  margin-bottom: var(--space-lg);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
}

.section-intro {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-top: var(--space-md);
}

/* Animations d'apparition */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ========================================
   4. HEADER & NAVIGATION
======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-sticky);
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--color-text);
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.8;
}

.logo-main {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.logo-sub {
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Navigation Desktop */
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav-link {
  position: relative;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

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

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

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

/* CTA pill in nav */
.nav-link-cta {
  padding: 8px 18px;
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.nav-link-cta::after {
  display: none;
}

.nav-link-cta:hover,
.nav-link-cta.active {
  background-color: var(--color-primary-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background-color: transparent;
  transition: background-color var(--transition-fast);
}

.nav-toggle:hover {
  background-color: var(--color-surface-alt);
}

.nav-toggle-icon {
  position: relative;
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: background-color var(--transition-fast);
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-base);
}

.nav-toggle-icon::before {
  top: -8px;
}

.nav-toggle-icon::after {
  top: 8px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  transform: translateY(-8px) rotate(-45deg);
}

/* ========================================
   5. HERO SECTION
======================================== */
.hero {
  position: relative;
  padding-top: calc(var(--header-height) + var(--space-4xl));
  padding-bottom: var(--space-4xl);
  background: linear-gradient(135deg, #F8FAFC 0%, #E4EBF3 60%, #D6E0EC 100%);
  overflow: hidden;
}

.hero-bg-shape {
  position: absolute;
  top: -180px;
  right: -180px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at center, rgba(30, 58, 95, 0.18), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero-bg-shape::after {
  content: '';
  position: absolute;
  bottom: -300px;
  left: -350px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle at center, rgba(212, 148, 122, 0.16), transparent 70%);
  border-radius: 50%;
}

.hero-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

.hero-eyebrow {
  display: block;
  width: max-content;
  max-width: 100%;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  padding: 6px 16px;
  background-color: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(30, 58, 95, 0.18);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-xl);
}

.hero-title {
  margin-bottom: var(--space-lg);
  line-height: 1.05;
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  letter-spacing: -0.02em;
}

.hero-title-accent {
  color: var(--color-primary);
  display: block;
  font-style: italic;
}

.hero-subtitle {
  font-size: 1.1875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  max-width: 540px;
}

.hero-identity {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
  max-width: 540px;
}

.hero-identity strong {
  color: var(--color-text);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

/* Trust Indicators */
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg) var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(30, 58, 95, 0.15);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.trust-icon {
  color: var(--color-secondary);
  flex-shrink: 0;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: fadeInRight 0.8s ease-out 0.2s both;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.hero-visual-frame {
  position: relative;
  width: 100%;
  max-width: 460px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, #FFFFFF 0%, #EEF2F7 100%);
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4 / 5;
}

.hero-visual-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.06), rgba(212, 148, 122, 0.08));
  z-index: 1;
  pointer-events: none;
}

.hero-illustration {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero-availability {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  animation: floatIn 0.8s ease-out 0.6s both;
}

.availability-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-success), #58a07a);
  color: white;
  border-radius: 50%;
  flex-shrink: 0;
}

.availability-text {
  display: flex;
  align-items: baseline;
  gap: 6px;
  line-height: 1.2;
}

.availability-text strong {
  font-size: 0.9375rem;
  color: var(--color-text);
  font-weight: 700;
}

.availability-text span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ========================================
   6. BUTTONS
======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: white;
}

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: white;
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: white;
}

.btn-hero {
  font-size: 1.125rem;
  padding: var(--space-lg) var(--space-2xl);
}

.btn-icon {
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* Focus visible pour accessibilité */
.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 4px;
}

/* ========================================
   7. À PROPOS SECTION
======================================== */
.about {
  background-color: var(--color-surface);
}

.about-content {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-text {
  max-width: 600px;
}

.about-paragraph {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-light);
}

.about-paragraph strong {
  color: var(--color-text);
  font-weight: 600;
}

.about-quote {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: linear-gradient(135deg, #EEF2F7 0%, #F8FAFC 100%);
  border-left: 4px solid var(--color-secondary);
  border-radius: var(--radius-md);
  position: relative;
}

.quote-icon {
  color: var(--color-secondary);
  opacity: 0.4;
  margin-bottom: var(--space-sm);
}

.about-quote p {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.5;
  margin: 0 0 var(--space-md);
}

.about-quote cite {
  font-style: normal;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-light);
  letter-spacing: 0.5px;
}

/* Stats grid */
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.stat-card {
  padding: var(--space-xl) var(--space-lg);
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-card-accent {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-color: transparent;
  color: white;
}

.stat-card-accent .stat-number,
.stat-card-accent .stat-label {
  color: white;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-plus {
  color: var(--color-secondary);
  margin-left: 2px;
}

.stat-card-accent .stat-plus {
  color: var(--color-secondary-light);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-weight: 500;
  line-height: 1.4;
}

/* ========================================
   8. POURQUOI CHOISIR SECTION
======================================== */
.why-choose {
  background: linear-gradient(135deg, #EEF2F7 0%, #F8FAFC 100%);
}

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

.why-card {
  background-color: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.why-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: white;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.why-title {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.why-text {
  color: var(--color-text-light);
  line-height: 1.7;
  margin: 0;
}

/* ========================================
   9. PARCOURS SECTION
======================================== */
.parcours {
  background-color: var(--color-surface);
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 880px;
  margin: 0 auto var(--space-4xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 140px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 120px 40px 1fr;
  align-items: start;
  gap: var(--space-md);
  padding-bottom: var(--space-2xl);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-align: right;
  letter-spacing: 0.5px;
  padding-top: 6px;
  white-space: nowrap;
}

.timeline-marker {
  position: relative;
  width: 22px;
  height: 22px;
  margin: 10px auto 0;
  border-radius: 50%;
  background-color: var(--color-surface);
  border: 2px solid var(--color-primary);
  box-shadow: 0 0 0 6px rgba(30, 58, 95, 0.15), var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.timeline-marker::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.timeline-item:hover .timeline-marker {
  transform: scale(1.15);
  box-shadow: 0 0 0 8px rgba(30, 58, 95, 0.18), var(--shadow-md);
}

.timeline-content {
  background-color: var(--color-surface-alt);
  padding: var(--space-lg) var(--space-xl);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-primary);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.timeline-content:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--color-secondary);
}

.timeline-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.timeline-text {
  color: var(--color-text-light);
  line-height: 1.7;
  margin: 0;
}

/* Formations */
.formations {
  max-width: 900px;
  margin: 0 auto;
}

.formations-title {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-xl);
  color: var(--color-text);
}

.formations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
}

.formation-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.formation-item:hover {
  background-color: var(--color-surface);
}

.formation-icon {
  color: var(--color-secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.formation-item span {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ========================================
   10. SERVICES SECTION
======================================== */
.services {
  background: linear-gradient(135deg, #F8FAFC 0%, #EEF2F7 100%);
}

/* Service Groups (empilés verticalement) */
.service-groups {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
}

.service-group {
  display: block;
}

.service-group-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-xl);
  border-bottom: 2px solid var(--color-border);
}

.service-group-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: white;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.service-group-titles {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.service-group-step {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.service-group-title {
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  margin: 0;
  color: var(--color-text);
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.service-card {
  position: relative;
  background-color: var(--color-surface);
  padding: var(--space-xl);
  padding-top: var(--space-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card-number {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.service-card-title {
  font-size: 1.1875rem;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.service-card-text {
  color: var(--color-text-light);
  line-height: 1.7;
  margin: 0;
}

/* Important Notice */
.important-notice {
  max-width: 800px;
  margin: var(--space-4xl) auto 0;
  padding: var(--space-xl);
  background-color: #FFF4EC;
  border: 2px solid var(--color-warning);
  border-radius: var(--radius-lg);
}

.important-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.important-icon {
  color: var(--color-warning);
  flex-shrink: 0;
}

.important-list {
  list-style: none;
}

.important-list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
  line-height: 1.7;
}

.important-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-warning);
  font-weight: 700;
}

.important-list li strong {
  color: var(--color-text);
}

/* ========================================
   11. TÉMOIGNAGES SECTION
======================================== */
.testimonials {
  background-color: var(--color-surface);
}

.testimonials-slider {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.testimonials-track {
  position: relative;
  overflow: hidden;
}

.testimonial-card {
  display: none;
  background-color: var(--color-surface-alt);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  animation: fadeIn 0.5s ease-out;
}

.testimonial-card.active {
  display: block;
}

.testimonial-rating {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.star {
  color: var(--color-border);
}

.star.filled {
  color: #F5C469;
}

.testimonial-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-xl);
  position: relative;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.author-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.author-avatar.avatar-alt {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
}

.author-avatar.avatar-muted {
  background: linear-gradient(135deg, var(--color-text-muted), var(--color-text-light));
}

.author-name {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.author-role {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Slider Controls */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: 10;
}

.slider-btn:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-50%) scale(1.1);
}

.slider-prev {
  left: -20px;
}

.slider-next {
  right: -20px;
}

/* Slider Dots */
.slider-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-border);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
}

.slider-dot.active {
  background-color: var(--color-primary);
  transform: scale(1.2);
}

/* ========================================
   12. TARIFS & HORAIRES SECTION
======================================== */
.pricing {
  background: linear-gradient(135deg, #EEF2F7 0%, #F8FAFC 100%);
}

.pricing-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-3xl);
  align-items: start;
}

/* Pricing Box */
.pricing-box {
  background-color: var(--color-surface);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pricing-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.pricing-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background-color: var(--color-primary-light);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.pricing-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.price-amount {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-unit {
  font-size: 1.125rem;
  color: var(--color-text-light);
}

.pricing-detail {
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.pricing-cesu {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-success);
  color: white;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-full);
  margin: 0;
}

/* Schedule Table */
.schedule-wrapper {
  background-color: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.schedule-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.schedule-table {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background-color: var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.schedule-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  background-color: var(--color-surface);
}

.schedule-header {
  background-color: var(--color-primary);
  color: white;
  font-weight: 700;
}

.schedule-cell {
  padding: var(--space-md);
  text-align: center;
}

.schedule-cell.day {
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
}

.schedule-cell.time {
  color: var(--color-text-light);
}

.schedule-cell.closed {
  color: var(--color-text-muted);
  font-style: italic;
}

.schedule-row.weekend {
  background-color: var(--color-surface-alt);
}

/* ========================================
   13. CONTACT SECTION
======================================== */
.contact {
  background-color: var(--color-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-xl);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  color: var(--color-text);
  transition: all var(--transition-base);
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.contact-card:hover::before {
  transform: scaleX(1);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: white;
  margin-bottom: var(--space-xs);
  transition: transform var(--transition-base);
}

.contact-card:hover .contact-card-icon {
  transform: scale(1.08) rotate(-3deg);
}

.icon-phone {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.icon-email {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
}

.icon-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
}

.icon-facebook {
  background: linear-gradient(135deg, #1877F2, #0a4ea8);
}

.contact-card-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-card-value {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  word-break: break-word;
  line-height: 1.35;
}

.contact-card-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition-base);
}

.contact-card:hover .contact-card-action {
  gap: 10px;
}

/* CESU banner */
.cesu-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  padding: var(--space-xl) var(--space-2xl);
  background: linear-gradient(135deg, var(--color-surface-alt) 0%, #F7FAFD 100%);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-secondary);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}

.cesu-banner-content {
  flex: 1;
  min-width: 280px;
}

.cesu-badge {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--color-secondary);
  color: white;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 2px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.cesu-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.cesu-text {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin: 0;
}

.cesu-text strong {
  color: var(--color-text);
  font-weight: 600;
}

.cesu-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  color: white;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9375rem;
  white-space: nowrap;
  transition: all var(--transition-base);
}

.cesu-link:hover {
  background-color: var(--color-primary-dark);
  color: white;
  gap: var(--space-sm);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Zone d'intervention line */
.contact-zone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin: var(--space-xl) 0 0;
  font-size: 0.9375rem;
  color: var(--color-text-light);
  text-align: center;
}

.contact-zone svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-zone strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ========================================
   14. FOOTER
======================================== */
.footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-light);
}

.footer-tagline {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 var(--space-md);
}

.footer-socials {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.85);
  transition: all var(--transition-base);
}

.social-icon:hover {
  transform: translateY(-3px);
  color: white;
  box-shadow: var(--shadow-md);
}

.social-whatsapp:hover {
  background-color: #25D366;
  border-color: #25D366;
}

.social-facebook:hover {
  background-color: #1877F2;
  border-color: #1877F2;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: white;
}

.footer-links p {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  padding-top: var(--space-lg);
  text-align: center;
}

.footer-copyright {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* ========================================
   15. ANIMATIONS
======================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ========================================
   16. RESPONSIVE
======================================== */

/* Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
  :root {
    --section-padding: var(--space-3xl);
  }

  .hero-container,
  .about-content,
  .pricing-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero-content {
    text-align: center;
  }

  .hero-eyebrow {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-subtitle,
  .hero-identity {
    margin-left: auto;
    margin-right: auto;
  }

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

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

  .hero-visual {
    order: -1;
    max-width: 360px;
    margin: 0 auto;
  }

  .hero-visual-frame {
    aspect-ratio: 1 / 1;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-bg-shape {
    width: 360px;
    height: 360px;
    top: -120px;
    right: -120px;
  }

  .hero-bg-shape::after {
    width: 300px;
    height: 300px;
    bottom: -200px;
    left: -200px;
  }

  .about-stats {
    max-width: 520px;
    margin: 0 auto;
  }

  .cesu-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xl);
  }

  .slider-prev {
    left: -10px;
  }

  .slider-next {
    right: -10px;
  }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-md);
    --section-padding: var(--space-2xl);
    --header-height: 70px;
  }
  
  /* Navigation Mobile */
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-lg);
    padding: var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
  }
  
  .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-list {
    flex-direction: column;
    gap: 0;
  }
  
  .nav-link {
    display: block;
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav-toggle {
    display: flex;
  }
  
  /* Hero */
  .hero {
    padding-top: calc(var(--header-height) + var(--space-xl));
    padding-bottom: var(--space-2xl);
  }

  .hero-container {
    gap: var(--space-xl);
  }

  .hero-eyebrow {
    font-size: 0.6875rem;
    letter-spacing: 1.5px;
    padding: 5px 12px;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .hero-subtitle {
    font-size: 1.0625rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

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

  .hero-trust {
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
    text-align: center;
  }

  .hero-visual {
    max-width: 280px;
    gap: var(--space-sm);
  }

  .hero-availability {
    font-size: 0.875rem;
    padding: 6px 14px;
  }

  .availability-icon {
    width: 24px;
    height: 24px;
  }


  /* Contact card padding */
  .contact-card {
    padding: var(--space-lg);
  }

  /* About stats */
  .about-stats {
    grid-template-columns: 1fr 1fr;
  }
  
  /* Service Groups */
  .service-group-header {
    flex-direction: column;
    text-align: center;
    align-items: center;
    gap: var(--space-md);
  }

  .service-group-titles {
    align-items: center;
  }

  /* Pricing */
  .pricing-content {
    gap: var(--space-xl);
  }
  
  /* Schedule Table - Stack on mobile */
  .schedule-row {
    grid-template-columns: 1fr;
    gap: 1px;
  }
  
  .schedule-cell.day {
    background-color: var(--color-primary);
    color: white;
    font-weight: 700;
    text-align: center;
  }
  
  .schedule-row.schedule-header {
    display: none;
  }
  
  /* Timeline - stack on mobile */
  .timeline {
    padding-left: var(--space-xl);
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
    padding-bottom: var(--space-xl);
  }

  .timeline-year {
    text-align: left;
    padding-top: 0;
    padding-left: var(--space-lg);
    font-size: 1.125rem;
    color: var(--color-primary);
  }

  .timeline-marker {
    position: absolute;
    left: -2px;
    top: 4px;
    margin: 0;
    width: 18px;
    height: 18px;
  }

  .timeline-content {
    margin-left: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
  }
  
  /* Testimonials */
  .slider-btn {
    width: 40px;
    height: 40px;
  }
  
  .slider-prev {
    left: 0;
  }
  
  .slider-next {
    right: 0;
  }
  
  .testimonial-card {
    padding: var(--space-lg);
  }
  
  .testimonial-text {
    font-size: 1.125rem;
  }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .section-header {
    margin-bottom: var(--space-2xl);
  }

  .why-grid,
  .service-cards,
  .formations-grid {
    grid-template-columns: 1fr;
  }

  .price-amount {
    font-size: 2.5rem;
  }

  /* Hero — small phones */
  .hero {
    padding-top: calc(var(--header-height) + var(--space-lg));
  }

  .hero-title {
    font-size: clamp(1.875rem, 9vw, 2.25rem);
    line-height: 1.1;
  }

  .hero-visual {
    max-width: 240px;
  }

  .hero-availability {
    font-size: 0.8125rem;
  }

  .availability-text {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  /* About stats — single column on tiny screens */
  .about-stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .stat-card {
    padding: var(--space-lg) var(--space-md);
  }
}

/* ========================================
   17. ACCESSIBILITÉ & MOTION PREFERENCES
======================================== */

/* Focus visible pour navigation clavier */
*:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip link (pour lecteurs d'écran) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Préférence mouvement réduit */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  html {
    scroll-behavior: auto;
  }
  
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-border: #000;
  }
  
  .btn {
    border-width: 3px;
  }
}

/* Dark mode support (optionnel pour future implémentation) */
@media (prefers-color-scheme: dark) {
  /* Variables à override si mode sombre souhaité */
}