/* ============================================
   MY DIAG HABITAT - STYLES PRINCIPAUX
   Version: 2.0 | Mobile-First | WCAG 2.2 AA
   ============================================ */

/* ----------- VARIABLES CSS ----------- */
:root {
  /* Couleurs */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-secondary: #0f172a;
  --color-secondary-light: #334155;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-border: #e2e8f0;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  /* Typographie */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --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: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --line-height-tight: 1.25;
  --line-height-base: 1.6;
  --line-height-relaxed: 1.75;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Espacements */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  
  /* Layout */
  --container-max: 1200px;
  --container-padding: var(--space-4);
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-full: 9999px;
  
  /* Ombres */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-toast: 400;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ----------- ACCESSIBILITÉ ----------- */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--space-2) var(--space-4);
  z-index: var(--z-modal);
  transition: top var(--transition-fast);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.section {
  padding: var(--space-12) 0;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-6);
  text-align: center;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-12);
}

/* ----------- TYPOGRAPHIE ----------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-secondary);
}

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(--space-4);
}

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

/* ----------- BOUTONS ----------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 2px solid transparent;
  min-height: 44px; /* Touch target */
}

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

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

.btn-secondary {
  background: var(--color-bg-alt);
  color: var(--color-secondary);
  border-color: var(--color-border);
}

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

.btn-text {
  padding: var(--space-2) var(--space-3);
  color: var(--color-primary);
}

.btn-text:hover {
  text-decoration: underline;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn .icon {
  width: 18px;
  height: 18px;
}

/* ----------- HEADER ----------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) 0;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.logo img {
  height: 50px;
  width: auto;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-toggle {
  display: flex;
  align-items: center;
  padding: var(--space-2);
  margin-right: var(--space-2);
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-secondary);
  position: relative;
  transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--color-secondary);
  left: 0;
  transition: transform var(--transition-fast);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* Reset complet de la liste de navigation */
.nav-list {
  list-style: none; /* Supprime les puces */
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-1);
}

.nav-list li {
  margin: 0;
  padding: 0;
}

.nav-list a {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-list a:hover,
.nav-list a.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* Style du bouton Contact */
.nav-list .btn-primary {
  margin-left: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: white;
}

.nav-list .btn-primary:hover {
  background: var(--color-primary-hover);
  color: white;
}
.nav-list.active {
  display: flex;
}
/* Version mobile */
@media (max-width: 767px) {
  .nav-list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    gap: var(--space-2);
  }
  
  .nav-list.open {
    display: flex;
  }
  
  .nav-list .btn-primary {
    margin-left: 0;
    margin-top: var(--space-2);
  }
}

.nav-list.open {
  display: flex;
}

.nav-list a {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-sm);
}

.nav-list a:hover,
.nav-list a.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.nav-list .btn-primary {
  margin-top: var(--space-2);
}

.header-contact {
  display: none;
}

.phone-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-secondary);
  font-weight: var(--font-weight-medium);
}

.phone-link .icon {
  color: var(--color-primary);
}

/* ----------- HERO SECTION ----------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--space-16) 0;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  color: white;
  margin-bottom: var(--space-4);
  font-size: var(--font-size-4xl);
}

.hero p {
  font-size: var(--font-size-lg);
  opacity: 0.95;
  margin-bottom: var(--space-8);
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

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

.hero .btn-primary:hover {
  background: var(--color-bg-alt);
}

.hero .btn-secondary {
  background: transparent;
  border-color: white;
  color: white;
}

.hero .btn-secondary:hover {
  background: rgba(255,255,255,0.1);
}

/* ----------- CARDS & GRIDS ----------- */
.services-grid,
.info-grid,
.testimonials-grid {
  display: grid;
  gap: var(--space-6);
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--color-primary-light);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.card-icon .icon {
  width: 30px;
  height: 30px;
  color: var(--color-primary);
}

.card h3 {
  margin-bottom: var(--space-2);
  font-size: var(--font-size-xl);
}

.card p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
}

.card-link .icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.card-link:hover .icon {
  transform: translateX(2px);
}

/* ----------- FORMULAIRES ----------- */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-2);
  color: var(--color-secondary);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  outline: none;
}

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

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-1);
  display: none;
}

.form-error.visible {
  display: block;
}

.form-success {
  background: var(--color-success);
  color: white;
  padding: var(--space-4);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-6);
  text-align: center;
}

/* ----------- FOOTER ----------- */
.site-footer {
  background: var(--color-bg-dark);
  color: white;
  padding: var(--space-12) 0 var(--space-6);
}

.footer-grid {
  display: grid;
  gap: var(--space-8);
}

.footer-brand img {
  margin-bottom: var(--space-4);
}

.footer-description {
  opacity: 0.9;
  margin-bottom: var(--space-5);
  line-height: var(--line-height-relaxed);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-phone,
.footer-email {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: white;
  opacity: 0.9;
}

.footer-phone:hover,
.footer-email:hover {
  opacity: 1;
}

.footer-links h3,
.footer-legal h3 {
  color: white;
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}

.footer-links ul,
.footer-legal ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

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

.footer-links a:hover,
.footer-legal a:hover {
  color: white;
  opacity: 1;
}

.certifications {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.certifications img {
  height: 40px;
  width: auto;
  opacity: 0.9;
}

.footer-bottom {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  opacity: 0.7;
  margin-bottom: var(--space-1);
}

.footer-disclaimer {
  font-size: var(--font-size-xs);
  opacity: 0.6;
}

/* ----------- COOKIE BANNER ----------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-secondary);
  color: white;
  padding: var(--space-4) 0;
  z-index: var(--z-toast);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.cookie-banner:not(.hidden) {
  transform: translateY(0);
}

.cookie-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.cookie-text h4 {
  color: white;
  margin-bottom: var(--space-1);
}

.cookie-text p {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  margin: 0;
}

.cookie-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.cookie-actions .btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

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

.cookie-actions .btn-secondary {
  background: transparent;
  border-color: rgba(255,255,255,0.3);
  color: white;
}

.cookie-actions .btn-text {
  color: white;
  opacity: 0.9;
}

/* ----------- BACK TO TOP ----------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: var(--z-dropdown);
}

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

.back-to-top:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
}

/* ----------- UTILS VISIBILITY ----------- */
.hidden { display: none !important; }
.hidden-mobile { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ----------- ICONS ----------- */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  stroke-width: 2;
  stroke: currentColor;
  fill: none;
  vertical-align: middle;
}

/* === NAVIGATION MOBILE === */
.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none; /* Caché par défaut sur mobile */
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  z-index: 999;
}

/* Quand le JS ajoute cette classe */
.nav-list.active {
  display: flex;
}

.nav-list li {
  border-bottom: 1px solid #f1f5f9;
}
.nav-list li:last-child { border-bottom: none; }

.nav-list a {
  display: block;
  padding: 16px 24px;
  color: #0f172a;
  text-decoration: none;
  font-weight: 500;
}
.nav-list a:hover, .nav-list a.active {
  background: #eff6ff;
  color: #2563eb;
}

/* Bouton hamburger */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
}
.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: #0f172a;
  position: relative;
}
.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: #0f172a;
  left: 0;
}
.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* === NAVIGATION DESKTOP (≥768px) === */
@media (min-width: 768px) {
  .nav-toggle { display: none; }
  
  .nav-list {
    display: flex !important; /* Force l'horizontal */
    position: static;
    flex-direction: row;
    background: transparent;
    box-shadow: none;
    gap: 8px;
  }
  .nav-list li { border-bottom: none; }
  .nav-list a {
    padding: 8px 16px;
    border-radius: 6px;
  }
  
  .hidden-mobile { display: block; }
}


/* ============================================
   NAVIGATION - Styles avancés
   ============================================ */

/* --- Bouton Hamburger animé --- */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.nav-toggle:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

/* Barres du hamburger */
.hamburger {
  position: relative;
  width: 20px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
  left: 0;
  transition: all var(--transition-normal);
}

.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

/* Animation hamburger → Croix (quand menu ouvert) */
.nav-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
  background: white;
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
  background: white;
}

.nav-toggle[aria-expanded="true"] .hamburger::before,
.nav-toggle[aria-expanded="true"] .hamburger::after {
  background: var(--color-primary);
}

/* --- Menu Mobile --- */
.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  
  /* État caché par défaut */
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  
  /* Animation d'entrée */
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

/* État visible */
.nav-list.active {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

/* Items du menu */
.nav-list li {
  border-bottom: 1px solid var(--color-border);
}

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

/* Liens du menu */
.nav-list a {
  display: flex;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-lg);
  text-decoration: none;
  transition: all var(--transition-fast);
  min-height: 56px; /* Touch target accessible */
}

.nav-list a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  padding-left: var(--space-7); /* Micro-décalage au hover */
}

.nav-list a.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  border-left: 3px solid var(--color-primary);
  padding-left: calc(var(--space-6) - 3px);
}

/* Icônes dans les liens (optionnel) */
.nav-list a .icon {
  margin-right: var(--space-3);
  width: 20px;
  height: 20px;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.nav-list a:hover .icon,
.nav-list a.active .icon {
  opacity: 1;
}

/* Bouton Contact dans le menu */
.nav-list .btn-primary {
  margin: var(--space-4) var(--space-6);
  padding: var(--space-3) var(--space-5);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  justify-content: center;
}

.nav-list .btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* --- Overlay sombre (optionnel, pour focus) --- */
.nav-list.active::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.nav-list.active::before {
  opacity: 1;
  pointer-events: auto;
}

/* --- Desktop (≥768px) --- */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
  
  .nav-list {
    display: flex !important;
    position: static;
    flex-direction: row;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    gap: var(--space-1);
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  
  .nav-list::before {
    display: none;
  }
  
  .nav-list li {
    border-bottom: none;
  }
  
  .nav-list a {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-base);
    border-radius: var(--border-radius-sm);
    min-height: auto;
  }
  
  .nav-list a:hover {
    padding-left: var(--space-3);
    background: var(--color-primary-light);
  }
  
  .nav-list a.active {
    border-left: none;
    padding-left: var(--space-3);
    background: var(--color-primary-light);
  }
  
  .nav-list .btn-primary {
    margin: 0 0 0 var(--space-2);
    padding: var(--space-2) var(--space-4);
  }
  
  .hidden-mobile {
    display: flex !important;
  }
}

/* --- Animation d'entrée en cascade pour les items --- */
.nav-list.active li {
  animation: slideInItem 0.3s ease forwards;
  opacity: 0;
  transform: translateX(-10px);
}

.nav-list.active li:nth-child(1) { animation-delay: 0.05s; }
.nav-list.active li:nth-child(2) { animation-delay: 0.1s; }
.nav-list.active li:nth-child(3) { animation-delay: 0.15s; }
.nav-list.active li:nth-child(4) { animation-delay: 0.2s; }

@keyframes slideInItem {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* --- Réduction de mouvement (accessibilité) --- */
@media (prefers-reduced-motion: reduce) {
  .hamburger,
  .hamburger::before,
  .hamburger::after,
  .nav-list,
  .nav-list a,
  .nav-list.active li {
    transition: none !important;
    animation: none !important;
    transform: none !important;
  }
}



/* ============================================
   BOUTON WHATSAPP FLOTTANT - VERSION ULTIME
   ============================================ */
.whatsapp-float {
  /* 🔒 Fixation écran garantie */
  position: fixed !important;
  bottom: 80px !important;
  right: 24px !important;
  z-index: 999999 !important;
  
  /*  Dimensions & Apparence */
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex !important;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.45);
  text-decoration: none;
  
  /*  Anti-bug iOS/Android : force le rendu GPU */
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  
  /*  Transition douce */
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  transform: scale(1.08) translate3d(0, 0, 0);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.65);
}

.whatsapp-float:active {
  transform: scale(0.95) translate3d(0, 0, 0);
}

/* 🖼️ Icône SVG */
.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: #ffffff;
  display: block;
}

/* 📱 Responsive Mobile */
@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 80px !important;
    right: 16px !important;
    width: 52px;
    height: 52px;
  }
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

/* ♿ Accessibilité : désactive les animations si demandé par l'OS */
@media (prefers-reduced-motion: reduce) {
  .whatsapp-float {
    transition: none !important;
  }
  .whatsapp-float:hover,
  .whatsapp-float:active {
    transform: translate3d(0, 0, 0) !important;
  }
}