:root {
  --bg: #f5f5f7;
  --bg-alt: #ffffff;
  --primary: #317fbe;
  --primary-dark: #1a6aac;
  --accent: #f2a900;
  --text: #222222;
  --muted: #666666;
  --border: #dddddd;
  --radius: 0.75rem;
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background-color: var(--bg); /* couleur de secours */
  background-image: url("../img/imageaccueil.jpg");
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.25), transparent 45%);
  pointer-events: none;
  z-index: -1;
}

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

a:hover,
a:focus {
  text-decoration: underline;
}

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

.container {
  width: min(1120px, 100% - 2rem);
  margin: 0 auto;
}

.site-header {
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0, 0, 0, 0.10);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0;
  gap: 1rem;
}

/* Marque (logo + intitulé) */
.site-branding {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 220px;
  color: inherit;
  text-decoration: none;
}

.site-branding:hover,
.site-branding:focus {
  text-decoration: none;
}

.brand-logo {
  height: 56px;
  width: auto;
}

.brand-text {
  display: inline-block;
  line-height: 1.1;
}

.brand-title {
  display: block;
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.brand-subtitle {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.main-nav {
  position: relative;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  font: inherit;
  color: var(--text);
}

.nav-toggle:focus-visible {
  outline: 2px solid rgba(20, 99, 165, 0.35);
  outline-offset: 2px;
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.45rem;
  row-gap: 0.35rem;
  padding: 0;
  margin: 0;
  font-size: 0.92rem;
}

.nav-list a {
  color: var(--text);
  font-weight: 650;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  white-space: nowrap;
  text-decoration: none;
}

.nav-list a:hover,
.nav-list a:focus {
  background-color: rgba(20, 99, 165, 0.12);
  text-decoration: none;
}

.nav-list a[aria-current="page"] {
  background-color: rgba(20, 99, 165, 0.16);
  color: var(--primary-dark);
}

.nav-list .nav-private {
  border: 1px solid var(--primary);
  background-color: var(--primary);
  color: #ffffff;
}

.nav-list .nav-private:hover,
.nav-list .nav-private:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

/* Menu responsive */
@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-list {
    position: absolute;
    right: 0;
    top: calc(100% + 0.6rem);
    flex-direction: column;
    align-items: stretch;
    background-color: #ffffff;
    padding: 0.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.08);
    min-width: 270px;
    display: none;
  }

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

  .nav-list a {
    width: 100%;
  }
}
.site-main {
  padding-bottom: 3rem;
}

.hero {
  background: transparent; /* on laisse l'image de fond apparente */
  padding: 3rem 0 3.5rem;
}

.hero-accueil {
  padding-top: 3.5rem;
}

.hero-inner-overlay {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  padding: 2rem 2.2rem;
  box-shadow: var(--shadow);
  max-width: 780px;                      /* pas trop large pour rester lisible */
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  gap: 2rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(1.9rem, 2.4vw, 2.5rem);
  margin-bottom: 0.75rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.hero-text p {
  max-width: 40rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.hero-aside .hero-card {
  background-color: var(--bg-alt);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid #e5e5e5;
}

.hero-card h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.hero-card ul {
  padding-left: 1.1rem;
  margin: 0.5rem 0 0;
}

.home-sections {
  padding: 2.5rem 0 1rem;
}

.grids-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.two-columns {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  gap: 2rem;
  padding: 2rem 0;
}

.card {
  background-color: var(--bg-alt);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid #e5e5e5;
}

.card h2 {
  margin-top: 0;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.5rem;
  font-weight: 600;
}

.page-header {
  padding: 1rem 0 1rem;
  background: linear-gradient(120deg, #ffffff, #fcfcfc);
  border-bottom: 1px solid #e7ecf1;
}

.page-header h1 {
  margin: 0 0 0.5rem;
}

.page-header p {
  margin: 10;
  color: var(--muted);
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
  font-size: 0.95rem;
}

.table th,
.table td {
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid #e1e1e1;
}

.table th {
  text-align: left;
  background-color: #f0f4fa;
}

.table tbody tr:nth-child(even) {
  background-color: #fafbff;
}

.definition-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.definition-list li {
  display: flex;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.definition-list span {
  min-width: 6rem;
  font-weight: 600;
}

.contact-form,
.login-form {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.contact-form label,
.login-form label {
  font-weight: 600;
  font-size: 0.9rem;
}

.contact-form input,
.contact-form textarea,
.login-form input {
  padding: 0.5rem 0.6rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
}

.private-list {
  list-style: disc;
  padding-left: 1.25rem;
}

.error-message {
  color: #c0392b;
  font-size: 0.85rem;
  min-height: 1.2em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
}

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

.btn.primary:hover,
.btn.primary:focus {
  background-color: var(--primary-dark);
}

.btn.secondary {
  background-color: #ffffff;
  color: var(--primary);
  border-color: var(--primary);
}

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



.site-footer {
  border-top: 1px solid #e5e5e5;
  padding: 1.25rem 0;
  background-color: #ffffff;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
  align-items: center;
}

.footer-left p {
  margin: 0.15rem 0;
}

.social-links a {
  font-weight: 600;
}

.social-links a:hover,
.social-links a:focus {
  text-decoration: underline;
}

.partner-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.partner-logos img {
  max-height: 48px;
  width: auto;
  display: block;
}

.hidden {
  display: none;
}

@media (max-width: 720px) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-logo {
    height: 48px;
  }

  .brand-subtitle {
    display: none;
  }
}

.social-links {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid rgba(0,0,0,0.15);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.social-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.social-icon:hover,
.social-icon:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  outline: none;
}

/* Accessibilité : texte caché mais lisible par lecteur d'écran */
.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;
}

/* =========================
   Accueil : bloc "Bienvenue"
   ========================= */
.home-hero{
  padding: 2.25rem 0 0;
}

.card.hero-card{
  padding: 1.5rem;
}

.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.75rem;
  align-items: center;
}

.hero-logo{
  width: 336px;
  height: auto;
  display: block;
}

.hero-content h1{
  margin: 0.75rem 0 0.75rem;
  line-height: 1.15;
}

.hero-note{
  margin-top: 1rem;
  color: var(--muted);
}

.hero-media{
  width: 100%;
}

.hero-image{
  width: 100%;
  height: auto;
  display: block;
  border-radius: calc(var(--radius) - 2px);
  box-shadow: var(--shadow);
  max-height: 420px;
  object-fit: cover;
}

.card-image{
  display: block;
  border-radius: calc(var(--radius) - 2px);
  margin: 0.75rem 0 1rem;
  object-fit: cover;
}

@media (max-width: 900px){
  .hero-grid{
    grid-template-columns: 1fr;
  }
  .hero-media{
    order: -1;
  }
  .hero-image{
    max-height: 320px;
  }
}
.bureau-grid .member-photo,
.bureau-grid img,
.member-card img {
  width: 50%;
  height: 100px;          /* ajustez : 180 / 200 / 240 selon rendu */
  object-fit: cover;      /* recadre sans déformer */
  object-position: 50% 20%; /* centre un peu plus haut (visages) */
  display: block;
  border-radius: 12px;    /* si vous avez des cartes arrondies */
}