/*
 * SARL BATI PRO - Site Web Principal
 * Thème: Corporate Navy - Style Professionnel Industriel Français
 * Version: 1.0
 * Date: 2025-01-22
 */

/* ============================================
   COULEURS DU THÈME - Corporate Navy
   ============================================ */

:root {
  /* Couleurs principales - Mode Clair */
  --color-primary: #1d3557;
  --color-primary-light: #2d4567;
  --color-primary-dark: #0f1d35;

  /* Couleurs secondaires */
  --color-secondary: #457b9d;
  --color-secondary-light: #5a8fb1;
  --color-secondary-dark: #345c7a;

  /* Couleurs d'accent */
  --color-accent: #a8dadc;
  --color-accent-light: #c5e7e9;
  --color-accent-dark: #8bc3c5;

  /* Couleurs neutres */
  --color-neutral: #f1faee;
  --color-neutral-light: #ffffff;
  --color-neutral-dark: #e8f0f5;

  /* Couleurs de fond et texte */
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafb;
  --color-text: #1a1a1a;
  --color-text-muted: #6c757d;
  --color-text-light: #95a5a6;

  /* Couleurs fonctionnelles */
  --color-success: #27ae60;
  --color-warning: #f39c12;
  --color-danger: #e74c3c;
  --color-info: #3498db;

  /* Couleurs spéciales - Thème Industriel */
  --color-charcoal: #333333;
  --color-steel-blue: #4682B4;
  --color-safety-orange: #FF8C00;

  /* Ombres */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Bordures */
  --border-color: #dee2e6;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-full: 9999px;

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

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* ============================================
   THÈME SOMBRE
   ============================================ */

[data-theme="dark"] {
  --color-primary: #a8dadc;
  --color-primary-light: #c5e7e9;
  --color-primary-dark: #8bc3c5;

  --color-secondary: #457b9d;
  --color-secondary-light: #5a8fb1;
  --color-secondary-dark: #345c7a;

  --color-accent: #1d3557;
  --color-accent-light: #2d4567;
  --color-accent-dark: #0f1d35;

  --color-neutral: #1a1a1a;
  --color-neutral-light: #0d0d0d;
  --color-neutral-dark: #262626;

  --color-bg: #0a0e1a;
  --color-bg-alt: #0f1419;
  --color-text: #f1faee;
  --color-text-muted: #b0b8c1;
  --color-text-light: #8b95a5;

  --color-charcoal: #e8e8e8;
  --color-steel-blue: #6ba3d1;
  --color-safety-orange: #FFA500;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

/* ============================================
   RESET ET BASE
   ============================================ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Lato', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHIE
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
}

h4 {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 600;
}

h5 {
  font-size: 1.125rem;
  font-weight: 600;
}

h6 {
  font-size: 1rem;
  font-weight: 600;
}

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

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

a:hover,
a:focus {
  color: var(--color-secondary-dark);
  text-decoration: underline;
}

/* ============================================
   MISE EN PAGE
   ============================================ */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-lg);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 calc(-1 * var(--spacing-md));
}

.col {
  flex: 1 0 0%;
  padding: 0 var(--spacing-md);
}

.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

@media (max-width: 992px) {
  .col-md-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
  .col-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-md-3 { flex: 0 0 25%; max-width: 25%; }
  .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-md-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
  .col-md-6 { flex: 0 0 50%; max-width: 50%; }
  .col-md-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
  .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-md-9 { flex: 0 0 75%; max-width: 75%; }
  .col-md-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
  .col-md-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
  .col-md-12 { flex: 0 0 100%; max-width: 100%; }
}

@media (max-width: 768px) {
  .col-sm-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
  .col-sm-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-sm-3 { flex: 0 0 25%; max-width: 25%; }
  .col-sm-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-sm-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
  .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
  .col-sm-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
  .col-sm-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-sm-9 { flex: 0 0 75%; max-width: 75%; }
  .col-sm-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
  .col-sm-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
  .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
}

/* ============================================
   HEADER - Navigation Principale
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-charcoal);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  min-height: 80px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header__logo img {
  width: 234px;
  height: auto;
  max-height: 70px;
  object-fit: contain;
}

.header__logo-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-neutral);
  letter-spacing: 0.05em;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.header__nav-link {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-neutral);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--color-steel-blue);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.header__nav-link:hover,
.header__nav-link:focus,
.header__nav-link.active {
  color: var(--color-steel-blue);
  background-color: rgba(70, 130, 180, 0.1);
  text-decoration: none;
}

.header__nav-link:hover::after,
.header__nav-link:focus::after,
.header__nav-link.active::after {
  width: 80%;
}

.header__nav-link .material-symbols-rounded {
  font-size: 1.25rem;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header__theme-toggle,
.header__lang-toggle {
  background: transparent;
  border: 1px solid var(--color-steel-blue);
  color: var(--color-neutral);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
}

.header__theme-toggle:hover,
.header__lang-toggle:hover,
.header__theme-toggle:focus,
.header__lang-toggle:focus {
  background-color: var(--color-steel-blue);
  color: var(--color-neutral);
  text-decoration: none;
}

.header__mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-neutral);
  cursor: pointer;
  padding: var(--spacing-sm);
}

.header__mobile-toggle .material-symbols-rounded {
  font-size: 2rem;
}

/* Mobile Navigation */
@media (max-width: 992px) {
  .header__nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--color-charcoal);
    flex-direction: column;
    padding: var(--spacing-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }

  .header__nav.active {
    transform: translateX(0);
  }

  .header__nav-list {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-md);
  }

  .header__nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: var(--spacing-md);
  }

  .header__mobile-toggle {
    display: flex;
  }

  .header__actions {
    display: none;
  }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__media img,
.hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(3px);
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(29, 53, 87, 0.85) 0%, rgba(69, 123, 157, 0.75) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-neutral);
  padding: var(--spacing-3xl) var(--spacing-lg);
  max-width: 900px;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--color-neutral);
  margin-bottom: var(--spacing-lg);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--color-neutral);
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-xl);
}

/* ============================================
   BOUTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--color-steel-blue);
  outline-offset: 2px;
}

.btn--primary {
  background-color: var(--color-steel-blue);
  color: var(--color-neutral);
  border-color: var(--color-steel-blue);
}

.btn--primary:hover,
.btn--primary:focus {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: var(--color-neutral);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn--secondary:hover,
.btn--secondary:focus {
  background-color: var(--color-neutral);
  color: var(--color-primary);
  border-color: var(--color-neutral);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--accent {
  background-color: var(--color-safety-orange);
  color: var(--color-neutral);
  border-color: var(--color-safety-orange);
}

.btn--accent:hover,
.btn--accent:focus {
  background-color: #e57e00;
  border-color: #e57e00;
  color: var(--color-neutral);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn--small {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
}

/* ============================================
   SECTIONS
   ============================================ */

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

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--primary {
  background-color: var(--color-primary);
  color: var(--color-neutral);
}

.section--primary h2,
.section--primary h3,
.section--primary h4 {
  color: var(--color-neutral);
}

.section--dark {
  background-color: var(--color-charcoal);
  color: var(--color-neutral);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-neutral);
}

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

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.section--primary .section__title,
.section--dark .section__title {
  color: var(--color-neutral);
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* ============================================
   CARTES
   ============================================ */

.card {
  background-color: var(--color-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

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

.card__image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  position: relative;
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image img {
  transform: scale(1.05);
}

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

.card__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.card__text {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.card__actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--border-color);
  margin-top: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

.card__meta-item .material-symbols-rounded {
  font-size: 1.125rem;
  color: var(--color-steel-blue);
}

/* ============================================
   GRILLE DE CARTES
   ============================================ */

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

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

/* ============================================
   SECTION AVEC ARRIÈRE-PLAN
   ============================================ */

.section-bg {
  position: relative;
  overflow: hidden;
}

.section-bg__media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.section-bg__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(3px);
}

.section-bg__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(29, 53, 87, 0.9);
  z-index: 1;
}

.section-bg__content {
  position: relative;
  z-index: 2;
}

/* ============================================
   STATISTIQUES
   ============================================ */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-3xl) 0;
}

.stat {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.stat__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background-color: var(--color-steel-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat__icon .material-symbols-rounded {
  font-size: 2rem;
  color: var(--color-neutral);
}

.stat__value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.stat__label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   FORMULAIRE
   ============================================ */

.form {
  max-width: 700px;
  margin: 0 auto;
}

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

.form__label {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: var(--spacing-md);
  font-family: 'Lato', sans-serif;
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-steel-blue);
  box-shadow: 0 0 0 3px rgba(70, 130, 180, 0.1);
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

.form__hint {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.form__error {
  display: block;
  font-size: 0.875rem;
  color: var(--color-danger);
  margin-top: var(--spacing-xs);
}

.form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.form__checkbox input[type="checkbox"] {
  margin-top: 0.25rem;
}

.form__checkbox-label {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.5;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background-color: var(--color-charcoal);
  color: var(--color-neutral);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

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

.footer__title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-neutral);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__text {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

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

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
}

.footer__contact-item .material-symbols-rounded {
  font-size: 1.25rem;
  color: var(--color-steel-blue);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.footer__contact-link {
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.footer__contact-link:hover,
.footer__contact-link:focus {
  color: var(--color-neutral);
  text-decoration: none;
}

.footer__nav {
  list-style: none;
}

.footer__nav-item {
  margin-bottom: var(--spacing-sm);
}

.footer__nav-link {
  color: var(--color-text-light);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer__nav-link:hover,
.footer__nav-link:focus {
  color: var(--color-neutral);
  text-decoration: none;
  transform: translateX(4px);
}

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

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--color-neutral);
  transition: all var(--transition-fast);
}

.footer__social-link:hover,
.footer__social-link:focus {
  background-color: var(--color-steel-blue);
  color: var(--color-neutral);
  text-decoration: none;
  transform: translateY(-4px);
}

.footer__bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

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

.footer__legal {
  display: flex;
  gap: var(--spacing-lg);
  font-size: 0.875rem;
}

.footer__legal-link {
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.footer__legal-link:hover,
.footer__legal-link:focus {
  color: var(--color-neutral);
  text-decoration: none;
}

/* ============================================
   FIL D'ARIANE (BREADCRUMB)
   ============================================ */

.breadcrumb {
  padding: var(--spacing-md) 0;
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  list-style: none;
  flex-wrap: wrap;
}

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

.breadcrumb__item:not(:last-child)::after {
  content: '/';
  margin-left: var(--spacing-sm);
  color: var(--color-text-light);
}

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

.breadcrumb__link:hover,
.breadcrumb__link:focus {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb__item--active {
  color: var(--color-primary);
  font-weight: 600;
}

/* ============================================
   ACCESSIBILITÉ
   ============================================ */

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

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

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-neutral);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: 10000;
}

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

/* Préférences utilisateur en 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;
  }
}

/* ============================================
   UTILITAIRES
   ============================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.py-1 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-2 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-3 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-4 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* ============================================
   ANIMATIONS
   ============================================ */

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* ============================================
   IMPRESSION
   ============================================ */

@media print {
  .header,
  .footer,
  .btn,
  .breadcrumb {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  .section {
    page-break-inside: avoid;
  }
}