:root{
  --primary: #358585;
  --turquoise:#009EB8;
  --bleu-vert:#2C6C66;
  --vert-eau: #d6f1d6;
  --dark: #0b2340;
  --muted: #4f5560;
  --bg: #f6fbfc;
  --card-bg: #ffffff;
  --shadow: 0 12px 30px rgba(11,35,64,0.08);
  --gutter: 0;
  --max-width: calc(100vw - 40px);
}
/* MENU */
.menu {
  background-color: var(--primary); 
  position: fixed;
  top: 0;
  width: 100%;
  height: 60px;
  display: flex;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
}

.menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 40px;
}
.menu ul.hidden{
  display: none;
}

.menu li {
  position: relative;
}

.menu a,
/* .menu button, */
.dropdown-toggle {
  color: var(--bg);
  text-decoration: none;
  font-weight: 600;
  padding: 10px 15px;
  display: block;
  font-size: inherit;
  background: none;
  border: none;
  cursor: pointer;
}
.menu a:hover,
/* .menu button:hover, */
.dropdown-toggle:hover {
  background-color: rgba(255,255,255,0.2);
  border-radius: 5px;
}
.menu-toggle {
  display: none; /* caché par défaut */
  font-size: 24px;
  color: var(--bg);
  background: none;
  border: none;
  cursor: pointer;
  margin-left: 1rem; /* aligné à gauche */
}

/* Sous-menu vertical au clic */
.submenu{
  display: none; /* caché par défaut */
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  position: absolute;
  top: 60px;
  left: 0;
  background-color: var(--primary);
  padding: 10px 20px;
  border-radius: 5px;
  flex-direction: column;
  z-index: 1000;
}
.submenu li {
  margin: 5px 0;
}
.dropdown.open .submenu {
  display: flex;         /* affiché quand actif */
  flex-direction: column;
  opacity: 1;
  transform: translateY(0);
}

/*FIL D'ARIANE */
.breadcrumb {
  font-size: 0.9em;
  color: #666;
  margin: 10px 0;
}
.breadcrumb a {
  color: var(--turquoise);
  text-decoration: none;
}
.breadcrumb a:hover {
  text-decoration: underline;
}


/* CHARTE PRINCIPALE */
/* Réinitialiser et disposition en plein écran */
*{box-sizing:border-box}
html,body{
  height:100%;
  margin:0;
  padding:0;
}

body{
  font-family: "Lato", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Montserrat";
  background: var(--vert-eau);
  /* background: linear-gradient(40deg, rgba(0,158,184,0.03) 40%, #358585 60%); */
  /* -webkit-font-smoothing:antialiased; */
  /* -moz-osx-font-smoothing:grayscale; */
  display:flex;
  flex-direction: column;
  align-items:stretch;
  justify-content:center;
  min-height: 100vh;
  width: 100vw;
  overflow-x: hidden;
}

/* Grille principale: 2 colonnes, 2 lignes ; la droite partagée 1/3 - 2/3 en hauteur */
.wrap{
  width: 100%;
  max-width:none;
  margin : 80px 0 0 0; /* espace pour ne pas cacher le menu */
  max-height: calc(100vh - 140px);
  display:grid;
  grid-template-columns: 1fr 1fr; /* largeur : gauche/droite */
  grid-template-rows: 1fr 2fr;     /* hauteur : haut/bas */
  grid-template-areas: 
    "logo illustration"
    "accroche explications"
    "basse basse";
  gap:var(--gutter);
  padding: 0 32px;
  box-sizing: border-box;
  padding-bottom: 120px;
  background: transparent;
}

/* Zones*/
.zone-logo{
  grid-area: logo;
  display: inline-block;
  gap: 2px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  border-radius: 1px;
  padding: 32px;
  padding-right: 12px;
  box-sizing: border-box;
  margin-left: 120px;
  margin-right: 0;
}
.zone-accroche{
  grid-area: accroche;
  display: flex;
  flex-direction: column;
  justify-content: left;
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 32px;
  padding-right: 12px;
  box-sizing: border-box;
  margin-left: 120px;
  margin-right: 0;
}
.zone-illustration{
  grid-area: illustration;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Sans contour avec ombre */
  padding: 32px;
  border: none;
  box-shadow: var(--shadow);
}
.zone-explication{
  grid-area: explications;
  display: flex;
  justify-content: left;
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 32px;
  padding-right: 12px;
  align-items: flex-start;
  margin-top: 0;
  /* padding-top: 12px; */
}
.zone-basse{
  grid-area: basse;
  display: flex;
  align-items: center;
  background-color: var(--primary);
  color: var(--card-bg);
  font-family: "Montserrat", sans-serif;
  font-size: 16px;
  font-weight: 600;
  padding: 32px;
}

/* Logo */
.logo-img{
  width: 270px;
  height: auto;
  object-fit: contain;
  display: block;
}
.logo-little-img{
  width: 400px;
  height: auto;
  object-fit: contain;
  display: block;
  margin-left: -10px;
  margin: 10px;
  align-items: 10px;
}
.logo-acronyme{
  display: flex;
  align-items: center ;
  gap: 12px;
}

/* Titres et textes de l'accroche */
.hero-text{
  gap:2px;
  /* line-height:normal; */
  font-family: "Montserrat", sans-serif ;
}
.hero-title{
  font-size: 36px;
  font-weight: bold;
  margin: 0;
  color: var(--dark);
  padding: 32px;
}
.hero-sub{
  font-size: 26px;
  font-weight: normal;
  margin: 0;
  color: var(--primary);
  padding: 32px;
}
.hero-desc{
  font-family: "Lato", sans-serif;
  font-size: 20px;
  color:var(--muted);
  line-height: 1.6;
  margin:0;
  max-width: 64ch;
}

/* Illustration sans bord/ombre */
.illustration-img{
  width: auto;
  height: auto;
  max-width: 300px;
  border-radius: 0;
  object-fit: cover;
  display: block;
  border: 1px solid rgba(0,0,0,0.04);
  flex-shrink: 0;
  box-shadow: var(--card-bg);
}

/* Zone explication - texte sur la droite*/
.card-strong{
  width: auto;
  font-family: "Montserrat", sans-serif;
  color:var(--dark);
  font-weight: 900;
  margin: 26px;
  font-size: 24px;
}
.card-text-top{
  font-family: "Lato", sans-serif;
  font-size: 20px;
  color:var(--primary);
  font-weight: normal;
  line-height: 1.6;
  margin:10px;
  max-width: 64ch;
}

/* Logo et acronyme"*/
.acronyme{
  display: flex;
  flex-direction: column;
  row-gap: 0;
  font-family: "Montserrat", sans-serif;
  color:var(--turquoise);
  margin: 0;
  padding: 0;
  line-height: 1.2;
}
.acronyme strong{
  display: inline-block;
  font-family: "ethnocentric", sans-serif;
  width: 30px;
  text-align: center;
  font-weight: bold;
  font-size: large;
}
.acronyme span{
  display: inline-block;
  font-weight: normal;
  font-size: medium;
}

/* Accueil - Choix avec lien html */
.features{
  display:flex;
  flex-direction: column;
  gap:12px;
  margin-top: 56px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 14px;
  background:var(--bg);
  text-decoration: none;
  border:1px solid rgba(11,35,64,0.04);
  font-family: "Lato", sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
  transition: all .18s ease;
}
.chip.dot{
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 4px 10px rgba(0,158,184,0.14);
}

/* Accueil - Etat des choix : survol ou focus*/
.chip:hover, .chip:focus{
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0,158,184,0.08);
  outline: none;
}

/* Accueil - Accessiblité Focus pour les utilisateurs clavier*/
a:focus {
  outline: 3px solid rgba(0,158,184,0.18);
  outline-offset: 4px;
}

/* Bouton Contact*/
.cta{ margin-top:18px; }
.btn{
  display:inline-block;
  background:var(--primary);
  color:#fff;
  padding:12px 20px;
  border-radius:12px;
  text-decoration:none;
  font-family:"Montserrat",sans-serif;
  font-weight:700;
  letter-spacing:0.4px;
  box-shadow:0 12px 28px rgba(0,158,184,0.12);
}
.btn:hover,.btn:focus{ transform:translateY(-3px); transition:all .18s ease; outline:none; }

/* Illustration top */
.illustration-top{ 
  width:100%; 
  display:flex; 
  justify-content:center; 
  align-items:center; 
}


/* Cadrage_conseil - descriptions*/
.card-desc{
  margin:0 0 12px 0;
  color: var(--shadow)
}

/* Checklist */
.check-table{
  width: 100%;
  border-collapse: collapse;
  margin-top: 56px;
}
.check-table tr{
  vertical-align: top;
}
.checkmark{
  width: 44px;
  text-align: center;
  font-size: 20px;
  color:var(--primary);
  padding-top:6px;
}
.check-content{
  padding-bottom: 18px;
  font-size: 20px;
  color: var(--primary)
}
.check-content strong{
  display: block;
  color: var(--dark);
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  margin-bottom: 6px;
}


/* Ajustements média en fonction de l'écran */
@media (max-width:1200px){
  .root{ --gutter:28px; }
  .hero-title{ font-size:34px; }
  .wrap{ padding: 40px; grid-template-columns: 1fr; height: auto;min-height: 100vh; }
  .visual-inner{ grid-template-columns: 1fr; }
  .illustration-img{ order:-1; max-width:100%; }
  .brand{ padding-bottom: 12px; }
  .card{ padding: 24px; border-radius:12px; }
  .logo-img{ width: 64px; }
}

 
@media (max-width:520px){ /*adapté aux smartphones et i-phone*/

  /* Menu compact */
  .menu {
    flex-direction: column;
    height: auto;
    padding: 8px;
  }
  .menu ul {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .menu li {
    margin: 6px 0;
  }
  .menu a, .dropdown-toggle {
    padding: 10px;
    font-size: 14px;
    text-align: center;
  }
  .menu-toggle{
    display: block;
    color: var(--bg);
  }

  /* Grille principale : tout en pile */
  /* Fond général en vert clair */
  body {
    background: var(--vert-eau);
  }

  .wrap {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    grid-template-areas:
      "logo"
      "accroche"
      "illustration"      
      "explications"
      "basse";
    gap: 16px;
    padding: 16px;
    margin: 70px auto 0 auto;
    max-height: none;
  }

  /* Zones : marges réduites */
  .zone-logo,
  .zone-accroche,
  .zone-illustration{
    order:-1;
    display:flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }
  .zone-explication {
    margin-left: 0;
    padding: 12px;
  }

  /* Logo, acronyme et illustration */
  .logo-acronyme{
    flex-direction: row;
    gap: 8px;
    justify-content: center;
    flex-wrap: nowrap;
  }
  .logo-little-img{
    width: 100%;
    max-width: 400px;
    height: auto;
    flex-shrink: 0;
  }
  .acronyme{
    font-size: 12px;
    line-height: 1.2;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-wrap: nowrap;
  }
  .acronyme span{
    white-space: nowrap;
    font-size: 12px;
  }
  .acronyme strong{
    font-size: 13px;
    width: auto;
    text-align: left;
  }
  .logo-img {
    max-width: 270px;
    height: auto;
    margin: 0 auto;
    display: block;
  }
  .illustration-img {
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    display: block;
  }

  /* Titres et textes */
  .hero-title {
    font-size: 20px;
    padding: 12px 0;
    text-align: center;
  }
  .hero-sub {
    font-size: 16px;
    padding: 8px 0;
    text-align: center;
  }
  .hero-desc,
  .card-text {
    font-size: 13px;
    line-height: 1.4;
    text-align: left;
  }
  .card-text-top{
    color: var(--muted);
    font-size: 13px;
    line-height: 1.4;
    text-align: left;
  }

  /* Boutons et chips */
  .btn {
    padding: 8px 12px;
    font-size: 13px;
    margin: 0 auto;
    display: block;
    text-align: center;
  }
  .chip {
    font-size: 13px;
    padding: 8px 10px;
  }

  /* Zone basse */
  .zone-basse {
    flex-direction: column;
    text-align: center;
    font-size: 13px;
    padding: 12px;
  }

  /* Checklist */
  .check-table {
    font-size: 13px;
  }
  .checkmark {
    font-size: 16px;
  }
}


@media (max-width:768px){

  /* Menu en colonne */
  .menu {
    flex-direction: column;
    height: auto;
    padding: 10px;
  }
  .menu ul {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: var(--primary);
    position: absolute;
    top: 60px;
    left: 0;
  }
  .menu li {
    margin: 8px 0;
  }
  .menu a, .dropdown-toggle {
    padding: 12px;
    font-size: 15px;
  }
  .menu.open ul{
    display:flex; 
  }
  .menu-toggle{
    display: block;
    color: var(--bg);
  }

  /* Grille principale : tout en colonne */
  .wrap {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    grid-template-areas:
      "logo"
      "accroche"
      "illustration"      
      "explications"
      "basse";
    gap: 20px;
    padding: 20px;
    margin: 80px auto 0 auto;
    max-height: none;
  }

  /* Zones : suppression des marges négatives */
  .zone-logo,
  .zone-accroche,
  .zone-explication {
    margin-left: 0;
    padding: 16px;
  }

  /* Logo et illustration */
  .logo-img, .logo-little-img {
    max-width: 160px;
    height: auto;
    margin: 0 auto;
    display: block;
  }
  .illustration-img {
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    display: block;
  }

  /* Titres et textes */
  .hero-title {
    font-size: 24px;
    padding: 16px 0;
    text-align: center;
  }
  .hero-sub {
    font-size: 18px;
    padding: 12px 0;
    text-align: center;
  }
  .hero-desc,
  .card-text {
    font-size: 14px;
    line-height: 1.5;
    text-align: left;
  }

  /* Boutons et chips */
  .btn {
    padding: 10px 16px;
    font-size: 14px;
    margin: 0 auto;
    display: block;
    text-align: center;
  }
  .chip {
    font-size: 14px;
    padding: 10px 12px;
  }

  /* Zone basse */
  .zone-basse {
    flex-direction: column;
    text-align: center;
    font-size: 14px;
  }

  /* Checklist */
  .check-table {
    font-size: 14px;
  }
  .checkmark {
    font-size: 18px;
  }
}