:root {
  --bleu: #1f3c88;
  --bleu-fonce: #13295f;
  --vert: #2a9d8f;
  --rouge: #e63946;
  --blanc: #ffffff;
  --gris-clair: #f7f9fc;
  --gris: #666666;
  --noir: #222222;
  --ombre: 0 10px 30px rgba(0, 0, 0, 0.08);
  --arrondi: 14px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--gris-clair);
  color: var(--noir);
  line-height: 1.7;
}

a {
  text-decoration: none;
}

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

.conteneur {
  width: 90%;
  max-width: 1180px;
  margin: auto;
}

/* EN-TÊTE */

.entete {
  background: var(--blanc);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.contenu-entete {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
  padding: 14px 0;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--noir);
}

.logo img {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.logo h1 {
  color: var(--bleu);
  font-size: 1.3rem;
  line-height: 1.2;
  white-space: nowrap;
}

.logo p {
  color: var(--gris);
  font-size: 0.88rem;
}

.navigation ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 22px;
}

.navigation a {
  color: var(--noir);
  font-weight: 700;
  font-size: 0.95rem;
  transition: 0.3s;
}

.navigation a:hover,
.navigation a.actif {
  color: var(--vert);
}

.bouton-menu {
  display: none;
  background: var(--bleu);
  color: var(--blanc);
  border: none;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.25rem;
}

/* BANNIÈRES */

.banniere,
.banniere-page {
  color: var(--blanc);
  text-align: center;
  padding: 105px 20px;
  background-size: cover;
  background-position: center;
}

.accueil {
  background:
    linear-gradient(rgba(19, 41, 95, 0.82), rgba(31, 60, 136, 0.78)),
    url("IMAGES/fond_cyber.jpeg");
}

.informatique {
  background:
    linear-gradient(rgba(19, 41, 95, 0.85), rgba(31, 60, 136, 0.8)),
    url("IMAGES/formation_informatique.jpeg");
}

.construction {
  background:
    linear-gradient(rgba(19, 41, 95, 0.82), rgba(31, 60, 136, 0.75)),
    url("IMAGES/fond_construction.jpg");
}

.services {
  background:
    linear-gradient(rgba(19, 41, 95, 0.85), rgba(31, 60, 136, 0.8)),
    url("IMAGES/font_service.jpg");
}

.inscription-page {
  background:
    linear-gradient(rgba(19, 41, 95, 0.82), rgba(31, 60, 136, 0.78)),
    url("IMAGES/inscription.jpg");
}

.badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  color: var(--blanc);
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.banniere h2,
.banniere-page h2 {
  font-size: 2.6rem;
  margin-bottom: 18px;
  line-height: 1.2;
}

.banniere p,
.banniere-page p {
  max-width: 780px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
}

.actions {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

/* BOUTONS */

.bouton {
  display: inline-block;
  background: var(--rouge);
  color: var(--blanc);
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 700;
  transition: 0.3s;
  border: 2px solid var(--rouge);
}

.bouton:hover {
  background: transparent;
  color: var(--rouge);
}

.bouton-secondaire {
  background: transparent;
  border-color: var(--blanc);
  color: var(--blanc);
}

.bouton-secondaire:hover {
  background: var(--blanc);
  color: var(--bleu);
}

/* SECTIONS */

section {
  padding: 70px 0;
}

.section-claire {
  background: var(--blanc);
}

.titre-section {
  text-align: center;
  margin-bottom: 42px;
}

.titre-section span {
  color: var(--vert);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.titre-section h2,
.titre-simple {
  color: var(--bleu);
  font-size: 2rem;
  margin: 8px 0 10px;
}

.titre-section p {
  color: var(--gris);
  max-width: 700px;
  margin: auto;
}

/* PRÉSENTATION */

.presentation-bloc,
.image-texte,
.boite-contact {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 35px;
  align-items: center;
}

.presentation-logo,
.presentation-texte,
.carte,
.formation,
form,
.infos-inscription,
.carte-pdf {
  background: var(--blanc);
  border-radius: var(--arrondi);
  box-shadow: var(--ombre);
}

.presentation-logo {
  padding: 35px;
  display: flex;
  justify-content: center;
}

.presentation-logo img {
  max-width: 260px;
}

.presentation-texte {
  padding: 35px;
}

.presentation-texte h3,
.image-texte h3 {
  color: var(--bleu);
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.presentation-texte p,
.image-texte p {
  margin-bottom: 14px;
}

.image-texte img {
  width: 100%;
  height: 330px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--arrondi);
  box-shadow: var(--ombre);
}

/* CARTES */

.grille-3,
.grille-4,
.grille-formations,
.grille-equipe {
  display: grid;
  gap: 24px;
}

.grille-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grille-4 {
  grid-template-columns: repeat(4, 1fr);
}

.carte {
  padding: 28px;
  transition: 0.3s;
  border: 1px solid #eeeeee;
}

.carte:hover,
.formation:hover,
.membre:hover {
  transform: translateY(-5px);
}

.carte i {
  width: 54px;
  height: 54px;
  background: rgba(42, 157, 143, 0.12);
  color: var(--vert);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 1.7rem;
  margin-bottom: 18px;
}

.carte h3 {
  color: var(--bleu);
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.lien-carte {
  display: inline-block;
  margin-top: 16px;
  color: var(--rouge);
  font-weight: 700;
}

/* ÉQUIPE */

.equipe {
  background: #eef2f7;
}

.grille-equipe {
  grid-template-columns: repeat(4, 1fr);
}

.membre {
  background: var(--blanc);
  border-radius: var(--arrondi);
  overflow: hidden;
  box-shadow: var(--ombre);
  transition: 0.3s;
}

.membre img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  object-position: center top;
}

.infos-membre {
  padding: 22px;
  text-align: center;
}

.infos-membre h3 {
  color: var(--bleu);
  font-size: 1.05rem;
}

.poste {
  color: var(--vert);
  font-weight: 700;
  margin: 6px 0;
}

.infos-membre a {
  color: var(--gris);
  font-size: 0.9rem;
  word-break: break-word;
}

/* FORMATIONS */

.formations-info {
  background: var(--gris-clair);
}

.titre-categorie {
  color: var(--bleu);
  font-size: 1.45rem;
  margin: 45px 0 18px;
  padding-left: 12px;
  border-left: 5px solid var(--vert);
}

.grille-formations {
  grid-template-columns: repeat(3, 1fr);
}

.formation {
  padding: 24px;
  transition: 0.3s;
  border-top: 4px solid var(--bleu);
}

.formation h4 {
  color: var(--bleu);
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.formation p {
  margin-bottom: 8px;
}

.infos-inscription {
  margin-top: 45px;
  padding: 30px;
  border-left: 6px solid var(--rouge);
}

.infos-inscription h3 {
  color: var(--bleu);
  margin-bottom: 15px;
}

/* PDF */

.bloc-pdf {
  background: var(--blanc);
}

.carte-pdf {
  display: flex;
  align-items: center;
  gap: 25px;
  padding: 32px;
  border-left: 6px solid var(--rouge);
}

.carte-pdf i {
  color: var(--rouge);
  font-size: 3.5rem;
}

.carte-pdf h3 {
  color: var(--bleu);
}

/* FORMULAIRES */

.formulaire-inscription {
  max-width: 850px;
  margin: auto;
  background: var(--blanc);
  padding: 35px;
  border-radius: var(--arrondi);
  box-shadow: var(--ombre);
}

.formulaire-inscription h2 {
  color: var(--bleu);
  margin-bottom: 10px;
}

.formulaire-inscription > p {
  color: var(--gris);
  margin-bottom: 25px;
}

form {
  padding: 28px;
}

label {
  display: block;
  margin-bottom: 7px;
  font-weight: 700;
  color: var(--bleu);
}

input,
select,
textarea {
  width: 100%;
  padding: 13px;
  margin-bottom: 17px;
  border: 1px solid #d6d6d6;
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--vert);
  box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.14);
}

.double-champ {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

button,
.btn-submit {
  background: var(--bleu);
  color: var(--blanc);
  border: none;
  padding: 13px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  transition: 0.3s;
}

button:hover,
.btn-submit:hover {
  background: var(--vert);
}

form button {
  width: 100%;
}

.mention {
  color: var(--gris);
  font-size: 0.9rem;
  margin-top: 12px;
}

/* CONTACT */

.element-info {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.element-info i {
  color: var(--vert);
  font-size: 1.4rem;
}

.element-info a {
  color: var(--bleu);
}

/* FOOTER */

.footer {
  background: var(--bleu-fonce);
  color: var(--blanc);
  padding: 50px 0 20px;
}

.footer-contenu {
  display: grid;
  grid-template-columns: 2fr 1.4fr 1.4fr 1fr 1fr;
  gap: 28px;
}

.footer h3,
.footer h4 {
  margin-bottom: 14px;
}

.footer p {
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.footer a {
  color: var(--blanc);
}

.footer a:hover {
  color: var(--vert);
}

.footer i {
  margin-right: 8px;
}

.reseaux {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.reseaux a {
  background: var(--blanc);
  color: var(--bleu);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.3s;
}

.reseaux a:hover {
  background: var(--vert);
  color: var(--blanc);
}

.footer-bas {
  text-align: center;
  margin-top: 35px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* TABLETTE */

@media (max-width: 1000px) {
  .grille-4,
  .grille-equipe {
    grid-template-columns: repeat(2, 1fr);
  }

  .grille-3,
  .grille-formations {
    grid-template-columns: repeat(2, 1fr);
  }

  .presentation-bloc,
  .image-texte,
  .boite-contact {
    grid-template-columns: 1fr;
  }

  .footer-contenu {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* MOBILE */

@media (max-width: 768px) {
  .bouton-menu {
    display: block;
  }

  .navigation ul {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    background: var(--blanc);
    position: absolute;
    top: 82px;
    right: 0;
    width: 250px;
    padding: 22px;
    border-radius: 12px;
    box-shadow: var(--ombre);
  }

  .navigation ul.show {
    display: flex;
  }

  .navigation a {
    display: block;
    padding: 8px 0;
  }

  .banniere,
  .banniere-page {
    padding: 80px 18px;
  }

  .banniere h2,
  .banniere-page h2 {
    font-size: 1.8rem;
  }

  .grille-3,
  .grille-4,
  .grille-formations,
  .grille-equipe,
  .double-champ,
  .footer-contenu {
    grid-template-columns: 1fr;
  }

  .footer-contenu {
    text-align: center;
  }

  .reseaux {
    justify-content: center;
  }

  .carte-pdf {
    flex-direction: column;
    text-align: center;
  }

  .logo img {
    width: 52px;
    height: 52px;
  }

  .logo h1 {
    font-size: 1rem;
  }

  .logo p {
    font-size: 0.75rem;
  }

  section {
    padding: 55px 0;
  }
}

/* ================= ACTUALITÉS ET ÉVÉNEMENTS ================= */

.evenements {
  background: linear-gradient(180deg, #ffffff, var(--gris-clair));
  padding: 80px 0;
}

.grille-evenements {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.evenement {
  background: var(--blanc);
  border-radius: var(--arrondi);
  overflow: hidden;
  box-shadow: var(--ombre);
  transition: 0.3s ease;
  border: 1px solid #eeeeee;
}

.evenement:hover {
  transform: translateY(-8px);
}

.image-evenement {
  position: relative;
  overflow: hidden;
}

.image-evenement img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: 0.4s ease;
}

.evenement:hover .image-evenement img {
  transform: scale(1.08);
}

.etiquette-evenement {
  position: absolute;
  top: 15px;
  left: 15px;
  background: var(--vert);
  color: var(--blanc);
  padding: 7px 14px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: bold;
}

.contenu-evenement {
  padding: 25px;
}

.contenu-evenement h3 {
  color: var(--bleu);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.contenu-evenement p {
  color: var(--gris);
  margin-bottom: 18px;
}

.bouton-centre {
  text-align: center;
  margin-top: 35px;
}

@media (max-width: 1000px) {
  .grille-evenements {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .image-evenement img {
    height: 220px;
  }
}

/* ================= CENTRE DE FORMATION PRO ================= */

.centre-formation-pro {
  background: linear-gradient(180deg, #ffffff, var(--gris-clair));
  padding: 80px 0;
}

.grille-videos-pro {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.video-pro {
  background: var(--blanc);
  border-radius: var(--arrondi);
  overflow: hidden;
  box-shadow: var(--ombre);
  transition: 0.3s ease;
  border: 1px solid #eeeeee;
}

.video-pro:hover {
  transform: translateY(-8px);
}

.cadre-video {
  position: relative;
  width: 100%;
  height: 220px;
  background: var(--bleu-fonce);
}

.cadre-video iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.contenu-video-pro {
  padding: 25px;
}

.contenu-video-pro span {
  display: inline-block;
  background: rgba(42, 157, 143, 0.12);
  color: var(--vert);
  padding: 6px 13px;
  border-radius: 30px;
  font-weight: bold;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.contenu-video-pro h3 {
  color: var(--bleu);
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.contenu-video-pro p {
  color: var(--gris);
  margin-bottom: 18px;
}

/* ================= GALERIE PROFESSIONNELLE ================= */

.galerie-pro {
  background: var(--blanc);
  padding: 80px 0;
}

.grille-galerie-pro {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.photo-pro {
  position: relative;
  overflow: hidden;
  border-radius: var(--arrondi);
  box-shadow: var(--ombre);
  height: 260px;
}

.photo-pro img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.4s ease;
}

.photo-pro:hover img {
  transform: scale(1.08);
}

.overlay-photo {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent, rgba(19, 41, 95, 0.88));
  color: var(--blanc);
  display: flex;
  flex-direction: column;
  justify-content: end;
  padding: 22px;
  opacity: 0;
  transition: 0.3s ease;
}

.photo-pro:hover .overlay-photo {
  opacity: 1;
}

.overlay-photo h3 {
  font-size: 1.2rem;
  margin-bottom: 5px;
}

.overlay-photo p {
  font-size: 0.95rem;
}

/* RESPONSIVE */

@media (max-width: 1000px) {
  .grille-videos-pro,
  .grille-galerie-pro {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grille-videos-pro,
  .grille-galerie-pro {
    grid-template-columns: 1fr;
  }

  .cadre-video {
    height: 230px;
  }

  .photo-pro {
    height: 240px;
  }

  .overlay-photo {
    opacity: 1;
  }
}