/* ============================================================
   Alterium — style.css
   Palette : bleu marine #1E3A5F (IT, structure) | violet #7B2FBE (événementiel)
             cyan #00B4D8 (accent décoratif) / #006F94 (texte et boutons, contraste AA)
   Typographie : polices système (Segoe UI, Helvetica Neue, Arial), aucune police externe
   Mobile-first, breakpoints 768px et 1024px
   ============================================================ */

/* ---- CUSTOM PROPERTIES ---- */
:root {
  color-scheme: light;

  --color-primary:   #1E3A5F;
  --color-primary-hover: #172E4B;
  --color-accent1:   #00B4D8;   /* décoratif uniquement (puces, fonds sombres) : 2.5:1 sur blanc */
  --color-accent1-strong: #006F94; /* texte, liens et bouton principal : 5.7:1 sur blanc */
  --color-accent1-hover:  #005A78;
  /* Violet : marqueur du pôle événementiel (icônes, puces, bordures), jamais un bouton.
     Un seul ton : 7.0:1 sur blanc. */
  --color-accent2:   #7B2FBE;
  --color-accent2-hover: #6A28A6;
  --color-light:     #F8FAFC;
  --color-dark:      #1A1A2E;
  --color-text:      #2D3748;
  --color-muted:     #5B6678;
  --color-border:    #E2E8F0;   /* séparateurs décoratifs */
  --color-border-strong: #8A94A6; /* contours de champs : 3:1 sur blanc */
  --color-white:     #FFFFFF;
  --color-error:     #B91C1C;
  --color-error-text: #991B1B;
  --color-error-bg:  rgba(185, 28, 28, 0.08);
  --color-success-text: #065F46;

  /* Fonds teintés des deux pôles */
  --color-it-soft:    #E6EDF5;
  --color-event-soft: #EFE6F8;
  --color-event-bg:   #F8F4FC;
  --color-event-border: rgba(123, 47, 190, 0.18);

  /* Échelle typographique (corps de texte et petits libellés) */
  --text-xs:   0.8125rem; /* 13 px : mentions, pied de page */
  --text-sm:   0.875rem;  /* 14 px : libellés, navigation, listes */
  --text-base: 1rem;      /* 16 px : paragraphes, boutons */
  --text-lg:   1.125rem;  /* 18 px : chapeaux */
  --text-xl:   1.25rem;   /* 20 px : petits titres */

  /* Échelle d'espacement */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  /* Aplats de marque : pas de dégradé bleu/violet mélangé */
  --gradient-main:   linear-gradient(180deg, #1E3A5F 0%, #172E4B 100%);
  --gradient-it:     linear-gradient(180deg, #1E3A5F 0%, #172E4B 100%);
  --gradient-event:  linear-gradient(180deg, #6A28A6 0%, #55208A 100%);

  --shadow-card:     0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.14);
  --shadow-header:   0 2px 16px rgba(0, 0, 0, 0.1);

  --radius-sm:       4px;
  --radius-md:       8px;
  --radius-lg:       12px;
  --radius-pill:     999px;
  --radius-card:     var(--radius-lg);
  --radius-btn:      var(--radius-md);

  --font-display:    "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body:       "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --container-max:   1200px;
  --container-pad:   clamp(1rem, 4vw, 2rem);

  --header-height:   72px;

  --transition:      0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-white);
  /* Pas d'overflow-x: hidden ici : il masquerait les débordements au lieu de
     les corriger. Vérifié sans débordement de 320 à 1440 px sur les 9 pages. */
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ---- UTILITAIRES ---- */
.container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

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

.text-center { text-align: center; }
.text-white  { color: var(--color-white); }

/* Reprises des styles qui etaient ecrits en attribut style= dans les pages.
   Regroupes ici pour qu'un ajustement d'espacement se fasse en un seul point. */
.mt-sm { margin-top: 0.5rem; }
.mt-md { margin-top: 0.75rem; }
.mt-xl { margin-top: 2.5rem; }
.self-start { align-self: flex-start; }

/* Rangee de boutons centree, utilisee en bas des pages et sur le 404. */
.button-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* Bloc d'introduction : une colonne de texte etroite et centree, posee sur une
   section dont l'espacement vertical est plus serre que le rythme par defaut. */
.section-intro { padding: 4rem 0 2rem; }
.section-intro-tight { padding: 3rem 0 1rem; }
.section-compact { padding: 4rem 0; }
.intro-block {
  max-width: 820px;
  text-align: center;
}
.intro-text {
  color: var(--color-muted);
  font-size: 1rem;
}

/* ---- TYPOGRAPHIE ---- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.25;
  color: var(--color-primary);
}

h1 { font-size: clamp(1.75rem, 4vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.4rem, 3vw, 2.25rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ---- BOUTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1.4;
  min-height: 44px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color var(--transition), color var(--transition),
              border-color var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

/* Petits écrans : les libellés longs passent à la ligne au lieu de déborder. */
@media (max-width: 479.98px) {
  .btn {
    white-space: normal;
    text-align: center;
    justify-content: center;
    max-width: 100%;
  }
}

/* Bouton principal : un seul style sur tout le site (en-tête, héros, cartes,
   formulaires). Le violet reste un marqueur du pôle événementiel. */
.btn-primary {
  background: var(--color-accent1-strong);
  color: var(--color-white);
  border-color: var(--color-accent1-strong);
}
.btn-primary:hover {
  background: var(--color-accent1-hover);
  border-color: var(--color-accent1-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

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

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

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

/* Bouton pleine largeur : les soumissions de formulaire, ou la cible doit
   couvrir toute la colonne. */
.btn-block {
  width: 100%;
  justify-content: center;
}

/* ---- HEADER ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-header);
  height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
/* Logo horizontal (monogramme + mot ALTERIUM), ratio 1005 × 163 :
   36 px de haut = 222 px de large, le mot fait environ 18 px. */
.site-logo-image {
  width: auto;
  height: 36px;
  max-width: 100%;
  display: block;
}
@media (max-width: 767px) {
  .site-logo-image {
    height: 30px;
  }
}

.site-nav {
  display: none;
}

@media (min-width: 1024px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }

  .site-nav a {
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-btn);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
    transition: background var(--transition), color var(--transition);
  }
  .site-nav a:hover,
  .site-nav a[aria-current="page"] {
    background: var(--color-light);
    color: var(--color-primary);
  }
}

.header-cta {
  display: none;
}

@media (min-width: 1024px) {
  .header-cta {
    display: inline-flex;
    flex-shrink: 0;
  }
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-md);
  transition: background var(--transition);
  width: 44px;
  height: 44px;
}
.hamburger:hover { background: var(--color-light); }
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .hamburger { display: none; }
}

/* Menu mobile */
.mobile-menu {
  display: none;
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: var(--color-white);
  z-index: 999;
  padding: 2rem var(--container-pad);
  overflow-y: auto;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid var(--color-border);
}
.mobile-menu.is-open { display: flex; }

.mobile-menu a {
  display: block;
  padding: 0.9rem 1rem;
  font-size: var(--text-lg);
  font-weight: 500;
  border-radius: var(--radius-btn);
  transition: background var(--transition);
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu a:hover { background: var(--color-light); }

.mobile-menu .btn {
  margin-top: 1rem;
  width: 100%;
  justify-content: center;
}

/* Sans JavaScript : le bouton ne peut pas ouvrir le menu,
   on affiche directement la navigation mobile sous l'en-tête. */
@media (max-width: 1023.98px) and (scripting: none) {
  .hamburger { display: none; }
  .mobile-menu {
    display: flex;
    position: static;
    inset: auto;
    overflow: visible;
    padding: 1rem var(--container-pad);
  }
}

/* ---- BREADCRUMB ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.85); }
.breadcrumb a:hover { color: var(--color-white); }
.breadcrumb .sep { opacity: 0.5; }

/* ---- HERO PRINCIPAL (index) ---- */
.hero-main {
  /* En-tête sticky (dans le flux) : le hero remplit l'écran sous l'en-tête */
  min-height: calc(100vh - var(--header-height));
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 4rem var(--container-pad) 5rem;
}

.hero-main-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-main-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

/* Voile sombre sur la photo : au moins 0.62 partout (texte blanc ≥ 4.5:1
   sur les nuages les plus clairs), renforcé côté texte (à gauche) */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(10, 20, 40, 0.76) 0%,
    rgba(10, 20, 40, 0.66) 55%,
    rgba(10, 20, 40, 0.62) 100%
  );
  pointer-events: none;
  z-index: 1;
}

/* Silhouette Chasseral stylisée */
.hero-main::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 220px;
  background:
    linear-gradient(
      to bottom,
      transparent 0%,
      rgba(10, 20, 40, 0.6) 100%
    );
  clip-path: polygon(
    0% 100%,
    0% 65%,
    5% 58%,
    10% 52%,
    15% 55%,
    20% 48%,
    25% 40%,
    30% 45%,
    35% 35%,
    42% 20%,
    48% 30%,
    52% 18%,
    58% 28%,
    63% 40%,
    68% 35%,
    73% 48%,
    78% 42%,
    83% 50%,
    88% 45%,
    93% 55%,
    97% 60%,
    100% 58%,
    100% 100%
  );
  background: rgba(10, 20, 50, 0.45);
  pointer-events: none;
  z-index: 1;
}

.hero-main-content {
  position: relative;
  z-index: 3;
  max-width: 780px;
}

.hero-main h1 {
  color: var(--color-white);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 2.5rem;
  max-width: 620px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  margin-top: 2rem;
}
.hero-badge svg {
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18);
}

/* ---- HERO COMPACT (pages internes) ---- */
.hero-compact {
  background: var(--gradient-main);
  padding: 3rem var(--container-pad) 3.5rem;
  position: relative;
  overflow: hidden;
}
.hero-compact-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}
.hero-compact h1 {
  color: var(--color-white);
  margin-bottom: 1rem;
}
.hero-compact .hero-subtitle {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0;
}

/* ---- SECTION STYLES ---- */
section { padding: 5rem 0; }

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent1-strong);
  margin-bottom: 0.75rem;
}

.section-title {
  margin-bottom: 1.25rem;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-muted);
  max-width: 600px;
  margin-bottom: 3rem;
}

.section-header {
  margin-bottom: 3rem;
}

/* ---- CHIFFRES CLÉS ---- */
.stats-section {
  background: var(--color-primary);
  padding: 4rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  text-align: center;
}
@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}
.stat-item {}
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--color-accent1);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

/* ---- DOUBLE ACTIVITÉ ---- */
.double-activity {
  background: var(--color-white);
}
.activity-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) {
  .activity-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

.activity-card {
  background: var(--color-light);
  border-radius: var(--radius-card);
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-border);
}
.activity-card.is-event {
  background: var(--color-event-bg);
  border-color: var(--color-event-border);
}

.activity-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  flex-shrink: 0;
}
/* Les icônes SVG utilisent stroke="currentColor" : la couleur se règle ici. */
.activity-icon.is-it    { background: var(--color-it-soft);    color: var(--color-primary); }
.activity-icon.is-event { background: var(--color-event-soft); color: var(--color-accent2); }

.activity-card h3 {
  margin-bottom: 0.75rem;
}
.activity-card p {
  color: var(--color-muted);
  font-size: var(--text-base);
  margin-bottom: 1.25rem;
}
.activity-list {
  margin-bottom: 2rem;
}
.activity-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0;
  font-size: var(--text-sm);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.activity-list li:last-child { border-bottom: none; }
.activity-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent1);
  flex-shrink: 0;
}
.activity-card.is-event .activity-list li::before {
  background: var(--color-accent2);
}

/* ---- CARDS AVANTAGES / VALEURS ---- */
.why-section { background: var(--color-light); }
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .cards-grid-2 { grid-template-columns: 1fr 1fr; }
  .cards-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
}
@media (min-width: 1024px) {
  .cards-grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.card h3 { margin-bottom: 0.6rem; font-size: var(--text-lg); }
.card p { color: var(--color-muted); font-size: var(--text-base); margin: 0; }

/* ============================================================
   Portfolio — cartes de réalisation et pages /realisations/<slug>
   Le HTML est généré par scripts/generate-portfolio.py.
   ============================================================ */
.projects-section { background: var(--color-white); }
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 768px) {
  .projects-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(3, 1fr); }
}

.project-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}
/* Effet de survol réservé aux cartes cliquables : un projet sans page
   (« page »: false dans projets.json) a un titre en texte simple. */
.project-card:has(.project-link):hover,
.project-card:has(.project-link):focus-within {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-strong);
}

/* Emplacement sans photo : logo du client en petit, sur fond neutre */
.project-logo-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  padding: var(--space-5);
  /* Blanc : les logos livrés sur fond blanc s'y fondent sans cadre visible. */
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}
.project-logo {
  width: auto;
  height: auto;
  max-width: 60%;
  max-height: 96px;
  object-fit: contain;
}
.project-icon {
  width: 56px;
  height: 56px;
  color: var(--color-muted);
}
/* Petit logo du client à côté de son nom, quand une photo occupe la carte */
.project-logo-small {
  display: inline-block;
  width: auto;
  height: 24px;
  margin-right: var(--space-2);
  vertical-align: middle;
}

/* Galerie de photos réelles */
.project-gallery {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-light);
}
.gallery-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery-slide.active { opacity: 1; }

/* Boutons de galerie (ajoutés par main.js dès deux photos) :
   fond sombre translucide, lisible sur une photo claire comme foncée. */
.gallery-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgb(26 26 46 / 0.7);
  border: 0;
  border-radius: 50%;
  color: var(--color-white);
  cursor: pointer;
  transition: background var(--transition);
}
.gallery-nav-btn:hover { background: rgb(26 26 46 / 0.9); }
.gallery-nav-btn:focus-visible {
  outline: 3px solid var(--color-white);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--color-dark);
}
.gallery-nav-prev { left: var(--space-2); }
.gallery-nav-next { right: var(--space-2); }

.project-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.project-meta {
  margin: 0;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-muted);
}
.project-body h3 {
  font-size: var(--text-base);
  color: var(--color-primary);
}
.project-body p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin: 0;
}
/* Le lien du titre couvre toute la carte ; les boutons de galerie restent au-dessus. */
.project-link { color: inherit; }
.project-link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}
.project-card:hover .project-link {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.project-link:focus-visible { outline: none; }
.project-link:focus-visible::after {
  outline: 3px solid var(--color-accent1-strong);
  outline-offset: -3px;
}

/* Liens vers les prestations (page d'une réalisation) */
.realisation-services a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--text-sm);
  color: var(--color-accent1-strong);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.realisation-services a:hover { color: var(--color-accent1-hover); }

/* Page d'une réalisation */
.realisation-layout {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}
@media (min-width: 900px) {
  .realisation-layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-7);
  }
}
.realisation-media .project-gallery,
.realisation-logo-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}
.realisation-logo-panel .project-logo {
  max-width: 70%;
  max-height: 180px;
}
.realisation-logo-panel .project-icon {
  width: 96px;
  height: 96px;
}
.realisation-content h2 {
  font-size: var(--text-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.realisation-content p { margin-bottom: var(--space-4); }
.realisation-content .realisation-subtitle { margin-top: var(--space-6); margin-bottom: var(--space-1); }
.realisation-facts {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-5);
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}
.realisation-facts div {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: var(--space-3);
}
.realisation-facts dt { font-weight: 600; }
.realisation-facts dd { margin: 0; }
.realisation-facts a {
  color: var(--color-accent1-strong);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- CTA FINAL ---- */
.cta-section {
  background: var(--color-primary);
  padding: 5rem 0;
  text-align: center;
}
.cta-section h2 {
  color: var(--color-white);
  margin-bottom: 1rem;
}
.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 580px;
  margin: 0 auto 2.5rem;
  font-size: var(--text-lg);
}

/* ---- SERVICES GRILLE ---- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}
.service-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  flex-shrink: 0;
}
.service-card-icon.is-it    { background: var(--color-it-soft);    color: var(--color-primary); }
.service-card-icon.is-event { background: var(--color-event-soft); color: var(--color-accent2); }

.service-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}
.service-card p {
  color: var(--color-muted);
  font-size: var(--text-base);
  flex: 1;
}
.service-list {
  margin: 1.25rem 0;
}
.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.35rem 0;
  font-size: var(--text-sm);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.service-list li:last-child { border-bottom: none; }
.service-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent1);
  flex-shrink: 0;
  margin-top: 0.55rem;
}

/* ---- Portfolio — filtres ---- */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.filter-btn {
  min-height: 44px;
  background: var(--color-white);
  border: 1.5px solid var(--color-border-strong);
  color: var(--color-text);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.filter-btn:hover {
  background: var(--color-light);
  border-color: var(--color-primary);
}
.filter-btn[aria-pressed="true"] {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.portfolio-item.is-hidden { display: none; }

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 640px) {
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
}
.portfolio-count {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-6);
}

/* ---- NOTRE APPROCHE ---- */
.about-inline-section {
  background: var(--color-white);
}
.about-inline-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}
@media (min-width: 960px) {
  .about-inline-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2.5rem;
  }
}
.about-inline-text {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-card);
}
.about-inline-values {
  display: grid;
  gap: 1rem;
}
.value-card {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-card);
}
.value-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  background: var(--color-it-soft);
}
.value-card-icon svg {
  width: 24px;
  height: 24px;
}
.value-card strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--color-primary);
  font-size: var(--text-base);
}
.value-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-base);
}
@media (max-width: 479px) {
  .value-card {
    grid-template-columns: 1fr;
  }
}

/* ---- CONTACT ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 768px) {
  .contact-grid { grid-template-columns: 1.4fr 1fr; }
}

/* Formulaire */
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-weight: 500;
  font-size: var(--text-sm);
  margin-bottom: 0.4rem;
  color: var(--color-text);
}
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-btn);
  background: var(--color-white);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
/* Focus visible : contour net de 3 px (5.7:1), pas un halo pâle. */
.form-control:focus,
.form-control:focus-visible {
  outline: 3px solid var(--color-accent1-strong);
  outline-offset: 2px;
  border-color: var(--color-accent1-strong);
}
textarea.form-control {
  resize: vertical;
  min-height: 140px;
}
select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235B6678' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 1.25rem;
}
@media (min-width: 480px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.captcha-block {
  margin: 1.25rem 0 1rem;
}

.captcha-note,
.form-note {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.captcha-note {
  margin-top: 0.75rem;
}

.form-feedback {
  border-radius: var(--radius-md);
  padding: 0.95rem 1rem;
  margin: 1rem 0 1.25rem;
  font-size: 0.92rem;
  border: 1px solid transparent;
}

.form-feedback[hidden] {
  display: none;
}

.form-feedback.is-success {
  background: rgba(6, 95, 70, 0.08);
  border-color: rgba(6, 95, 70, 0.2);
  color: var(--color-success-text);
}

.form-feedback.is-error {
  background: var(--color-error-bg);
  border-color: rgba(185, 28, 28, 0.18);
  color: var(--color-error-text);
}

/* Erreurs de saisie : message texte lié au champ, pas seulement la couleur */
.form-control[aria-invalid="true"] {
  border-color: var(--color-error);
}
.form-control[aria-invalid="true"]:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.2);
}
.form-field-error {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-error-text);
}
.form-field-error[hidden] {
  display: none;
}
.form-error-summary {
  border: 1px solid var(--color-error);
  border-radius: var(--radius-btn);
  background: var(--color-error-bg);
  color: var(--color-error-text);
  padding: 0.95rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.92rem;
}
.form-error-summary:empty {
  display: none;
}
.form-error-summary p {
  margin: 0 0 0.4rem;
  font-weight: 600;
}
.form-error-summary ul {
  margin: 0;
  padding-left: 1.25rem;
}
.form-error-summary a {
  color: inherit;
  text-decoration: underline;
}

.btn[disabled] {
  opacity: 0.72;
  cursor: wait;
}

/* Infos contact */
.contact-info-block {
  background: var(--color-light);
  border-radius: var(--radius-card);
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-border);
  height: fit-content;
}
.contact-info-block h3 { margin-bottom: 1.75rem; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-item:last-child { border-bottom: none; padding-bottom: 0; }
.contact-item-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
/* Couleurs de marque des reseaux (aplats) : elles n'ont pas de variante dans
   la palette Alterium, elles sont donc fixees ici plutot qu'en attribut style=. */
.contact-item-icon.is-instagram { background: #C13584; }
.contact-item-icon.is-facebook  { background: #1877F2; }

.contact-item-text { font-size: var(--text-sm); }
.contact-item-text strong { display: block; margin-bottom: 0.2rem; color: var(--color-primary); }
.contact-item-text a { color: var(--color-text); transition: color var(--transition); }
.contact-item-text a:hover {
  color: var(--color-accent1-strong);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.contact-response-note {
  margin-top: 1.5rem;
  font-size: var(--text-sm);
  color: var(--color-muted);
  font-style: italic;
}

/* ---- FAQ ACCORDÉON ---- */
.faq-section { background: var(--color-light); }
.faq-list { display: flex; flex-direction: column; gap: 0.75rem; max-width: 720px; margin: 0 auto; }
.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.faq-trigger {
  width: 100%;
  background: none;
  border: none;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 44px;
  transition: background-color var(--transition);
}
.faq-trigger:hover { background: var(--color-light); }
/* L'icône SVG utilise stroke="currentColor". */
.faq-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-light);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition), background-color var(--transition), color var(--transition);
}
.faq-trigger[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
  background: var(--color-primary);
  color: var(--color-white);
}

/* Ouverture sans hauteur fixe : la ligne de grille passe de 0fr à 1fr,
   la réponse n'est jamais tronquée, quelle que soit sa longueur. */
.faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  transition: grid-template-rows 0.3s ease, visibility 0.3s;
}
.faq-panel.is-open {
  grid-template-rows: 1fr;
  visibility: visible;
}
.faq-panel-inner {
  min-height: 0;
  overflow: hidden;
  padding: 0 1.5rem;
  font-size: var(--text-base);
  color: var(--color-muted);
  line-height: 1.7;
}
.faq-panel-inner::after {
  content: "";
  display: block;
  height: 1.25rem;
}
.faq-panel-inner a {
  color: var(--color-accent1-strong);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
/* Sans JavaScript, les réponses restent lisibles. */
@media (scripting: none) {
  .faq-panel {
    grid-template-rows: 1fr;
    visibility: visible;
  }
}

/* ---- FOOTER ---- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1.2fr 1fr; gap: 2rem; }
}

.footer-col h2 {
  color: var(--color-white);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
  font-weight: 700;
}
.footer-logo {
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: center;
}
/* Version claire du logo (logo-horizontal-white.svg) : pas de filtre. */
.footer-logo .site-logo-image {
  height: 40px;
  width: auto;
}
.footer-description {
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.footer-socials {
  display: flex;
  gap: 0.75rem;
}
.footer-social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  color: rgba(255, 255, 255, 0.8);
}
.footer-social-link:hover { background: rgba(255, 255, 255, 0.16); }

.footer-nav-list li {
  margin-bottom: 0.6rem;
}
.footer-nav-list a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}
.footer-nav-list a:hover { color: var(--color-accent1); }

.footer-contact { font-style: normal; }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-size: var(--text-sm);
}
.footer-contact-item svg { flex-shrink: 0; margin-top: 3px; opacity: 0.6; }
.footer-contact-item a { color: rgba(255, 255, 255, 0.65); transition: color var(--transition); }
.footer-contact-item a:hover { color: var(--color-accent1); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer-copy {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.65);
}
.footer-made {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.65);
}
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}
.footer-legal-links a {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}
.footer-legal-links a:hover {
  color: var(--color-accent1);
}

/* ---- PAGES LEGALES ---- */
.legal-section {
  background: var(--color-light);
}
.legal-layout {
  max-width: 920px;
  margin: 0 auto;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}
.legal-layout h2,
.legal-layout h3 {
  margin-bottom: 0.85rem;
}
.legal-layout h2:not(:first-child),
.legal-layout h3:not(:first-child) {
  margin-top: 2rem;
}
.legal-layout p,
.legal-layout li {
  color: var(--color-text);
  font-size: var(--text-base);
}
.legal-layout ul {
  list-style: disc;
  padding-left: 1.2rem;
}
.legal-layout li + li {
  margin-top: 0.45rem;
}
.legal-note {
  margin-top: 2rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.14);
  color: var(--color-text);
  font-size: var(--text-sm);
}

/* Bloc de signature en fin de page legale : coordonnees et renvois croises.
   Variante neutre et centree de .legal-note, qu'elle doit suivre pour en
   surcharger le fond, la bordure et les marges. */
.legal-signature {
  margin: 3rem 0 0;
  padding: 2rem;
  text-align: center;
  background: var(--color-light);
  border: 1px solid var(--color-border);
}
.legal-signature-links {
  margin-top: 1.5rem;
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.legal-signature-links a { color: var(--color-accent1-strong); }

/* ---- ANIMATIONS ---- */
.fade-in {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- DIVERS ---- */
.divider {
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-primary);
  margin-bottom: 1.5rem;
}

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

/* Lien "arrow" inline */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-accent1-strong);
  font-weight: 600;
  font-size: 0.93rem;
  transition: gap var(--transition);
}
.link-arrow:hover { gap: 0.7rem; }

/* ---- PAGE 404 ---- */
.error-links {
  max-width: 640px;
  color: var(--color-muted);
  font-size: var(--text-base);
}

.error-links li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
}

.error-links li:last-child { border-bottom: none; }

.error-links a {
  color: var(--color-primary);
  font-weight: 600;
}

.error-links a:hover {
  color: var(--color-accent1-strong);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

/* ---- DEMANDE DE RAPPEL : ENCART + MODALE ---- */
.callback-prompt {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  padding: 1.25rem 1.4rem;
  border-radius: var(--radius-card);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent1-strong);
}

.callback-prompt-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
}

.callback-prompt-text {
  flex: 1 1 240px;
}

.callback-prompt-text strong {
  display: block;
  color: var(--color-primary);
  margin-bottom: 0.15rem;
}

.callback-prompt-text p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.5;
}

.callback-prompt-btn { flex-shrink: 0; }

.callback-dialog {
  /* Le reset universel annule le margin:auto du navigateur : on le rétablit
     pour que la modale reste centrée. */
  margin: auto;
  width: min(560px, calc(100vw - 2rem));
  max-height: calc(100vh - 3rem);
  overflow-y: auto;
  padding: 1.75rem;
  border: none;
  border-radius: var(--radius-card);
  background: var(--color-white);
  color: var(--color-text);
  box-shadow: var(--shadow-card-hover);
}

.callback-dialog::backdrop {
  background: rgba(26, 26, 46, 0.55);
}

.callback-dialog-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.callback-dialog-head h2 {
  font-size: 1.4rem;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.callback-dialog-head p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.5;
}

.callback-dialog-close {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.callback-dialog-close:hover {
  background: var(--color-light);
  color: var(--color-primary);
}

.callback-message { min-height: 84px; }

.label-optional {
  font-weight: 400;
  color: var(--color-muted);
}

/* ---- FEED INSTAGRAM (LightWidget) ---- */
.instagram-embed {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-light);
  box-shadow: var(--shadow-card);
  /* Réserve la place du widget (chargé à l'approche) pour limiter le décalage de mise en page */
  min-height: 320px;
}

.instagram-embed[hidden] { display: none; }

.instagram-embed iframe {
  display: block;
  width: 100%;
  min-height: 320px;
  border: 0;
  overflow: hidden;
}

.instagram-cta {
  margin-top: 1.75rem;
}

/* ---- SKIP LINK (accessibilité) ---- */
.skip-link {
  position: absolute;
  top: -999px;
  left: 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 var(--radius-btn) var(--radius-btn);
  z-index: 9999;
  font-weight: 600;
  font-size: var(--text-sm);
}
.skip-link:focus { top: 0; }

/* ---- RESPONSIVE MISC ---- */
@media (max-width: 767px) {
  section { padding: 3.5rem 0; }
  .hero-main { min-height: calc(100svh - var(--header-height)); }
  .hero-compact { padding-top: 2rem; padding-bottom: 2.5rem; }
  .stats-section { padding: 3rem 0; }
  .cta-section { padding: 3.5rem 0; }
}

/* ---- ACCESSIBILITÉ : FOCUS CLAVIER ---- */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-accent1-strong);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
.hero-main a:focus-visible,
.hero-compact a:focus-visible,
.cta-section a:focus-visible,
.stats-section a:focus-visible,
.site-footer a:focus-visible {
  outline-color: var(--color-white);
}

/* ---- ACCESSIBILITÉ : MOUVEMENT RÉDUIT ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .fade-in { opacity: 1 !important; transform: none !important; }
  .project-card:hover { transform: none; }
}

/* ---- GRILLE DE SERVICES : nombre impair de cartes ---- */
@media (min-width: 768px) {
  .services-grid > .service-card:last-child:nth-child(odd) { grid-column: 1 / -1; }
}
.service-card:has(.service-card-icon.is-event) .service-list li::before {
  background: var(--color-accent2);
}

/* ============================================================
   Pages légales (CGV, politique de confidentialité, mentions légales)
   Styles partagés : en-tête de version, sommaire, articles numérotés,
   définitions, encadré et retour en haut. Texte aligné à gauche.
   ============================================================ */
.legal-layout h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  color: var(--color-primary);
}
.legal-layout h3 {
  font-size: clamp(1.05rem, 2vw, 1.15rem);
  color: var(--color-dark);
}
.legal-layout ol {
  list-style: decimal;
  padding-left: 1.4rem;
}
.legal-layout ol li + li {
  margin-top: 0.45rem;
}
.legal-layout p + p {
  margin-top: 0.75rem;
}
.legal-layout p a,
.legal-layout li a {
  color: var(--color-accent1-strong);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.legal-layout p a:hover,
.legal-layout li a:hover {
  color: var(--color-primary);
}

/* En-tête de version : date, responsable, contact. */
.legal-meta {
  margin-bottom: 2rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-btn);
}
.legal-meta p {
  margin: 0;
  font-size: 0.94rem;
}
.legal-meta p + p {
  margin-top: 0.35rem;
}

/* Sommaire. */
.legal-toc {
  margin: 0 0 2.5rem;
  padding: 1.5rem;
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
}
.legal-layout .legal-toc h2 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
}
.legal-layout .legal-toc ul {
  list-style: none;
  padding-left: 0;
}
.legal-layout .legal-toc li + li {
  margin-top: 0.25rem;
}
.legal-layout .legal-toc a {
  display: inline-block;
  padding: 0.3rem 0;
  color: var(--color-primary);
  text-decoration: none;
}
.legal-layout .legal-toc a:hover {
  color: var(--color-accent1-strong);
  text-decoration: underline;
}

/* Article numéroté : neutralise le padding générique des <section>. */
.legal-article {
  padding: 0;
  margin-top: 2.5rem;
}
.legal-article h2 {
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}
.legal-article h3 {
  margin-top: 1.5rem;
}
.legal-article ul,
.legal-article ol {
  margin: 0.75rem 0;
}

/* Définition : terme suivi de son explication. */
.legal-definition {
  margin: 0.75rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--color-border);
  font-size: 0.96rem;
}
.legal-definition strong {
  display: block;
  color: var(--color-primary);
}
@media (min-width: 768px) {
  .legal-definition strong {
    display: inline-block;
    min-width: 9rem;
  }
}

/* Encadré d'information au sein d'un article. */
.legal-callout {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent1-strong);
  border-radius: var(--radius-btn);
  font-size: 0.96rem;
}

/* Lien de retour au sommaire. */
.legal-back-to-top {
  margin-top: 2.5rem;
  text-align: center;
}
.legal-back-to-top a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 1.25rem;
  color: var(--color-accent1-strong);
  border: 1px solid var(--color-accent1-strong);
  border-radius: var(--radius-btn);
  transition: background-color var(--transition), color var(--transition);
}
.legal-back-to-top a:hover {
  background: var(--color-accent1-strong);
  color: var(--color-white);
}

/* Liens des notes de formulaire (renvoi à la politique de confidentialité). */
.form-note a {
  color: var(--color-accent1-strong);
  text-decoration: underline;
}