/* ================= HEADER ================= */
.header{
  box-shadow: rgba(149, 157, 165, 0.2) 0px 8px 24px;
  padding-top: 70px;
  background-color: white;
  color: white;
}

/* Contenu du header */
.header-content{
  height: 700px;
  background-image: linear-gradient(rgba(99,112,168,0.5), rgba(81,91,233,0.5)), url('../img/istockphoto-1759628359-1024x1024.jpg');
  display: flex;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.header-content h1{
  font-size: 8vh;
  margin: 0;
  position: relative;
  padding: 0 10px;
  color: #fff;
  background: linear-gradient(90deg, #00d9ff, #ff00b3, #8fd807);
  background-size: 200% auto;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient 3s linear infinite;
}

@keyframes gradient {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.header-content p{
  font-size: 25px;
  margin: 10px 0 20px 0;
  padding: 50px 0 0 0;
}

/* Barre de recherche et boutons */
.search{
  display: flex;
  padding-top: 30px;
  gap: 20px;  
}

.input-search{
  padding: 20px 30px;
  width: 40%;
  border-radius: 10px;
  border: none;
  outline: none;
  font-size: large;
  color: grey;
}

.search a{
  text-decoration: none;
  padding: 15px 20px;
  color: white;
  border-radius: 10px;
  width: 300px;
}

.search a:hover{
  background-color: white;
  color: blueviolet;
  transition: 0.3s;
  border: none;
}

.search .join-button{
  color: white;
  border: 2px solid white;
}

.search .learn-more{
  background-color: blueviolet;
  border: none;
}

/* Statistiques info-matière */
.info-matiere{
  display: flex;
  justify-content: center;
  gap: 60px;
  color: black;
  flex-wrap: wrap;
  padding: 40px;
}

.info ~ span{
  color: gray;
  font-size: 14px;
}

.info-matiere .info{
  text-align: center;
  font-size: 20px;
  font-weight: bolder;
  color: royalblue;
}

.info-matiere span{
  display: block;
}

/* ================= MAIN ================= */
/* Séparateur et titre matières */
.separator{
  text-align: center;
  padding: 100px 20px 0 20px;
}

/* Liste matières */
.matiere {
  padding: 50px 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* 4 cartes sur grand écran */
  gap: 30px;
}

/* Carte matière */
.matiere .card {
  background-color: white;
  box-shadow: rgba(149, 157, 165, 0.2) 0px 8px 24px;
  border-radius: 20px;
  padding: 20px;
  text-align: left;
  transition: transform 0.3s;
}

.matiere .card:hover {
  transform: translateY(-5px);
}

/* Image + titre côte à côte */
.logo-image {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

.card .titre{
  margin: 0;
  font-size: 22px;
  color: rgba(0, 0, 0, 0.856);
  font-weight: bold;
}

.logo-image img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.logo-image h3 {
  margin: 0;
  font-size: 20px;
  font-weight: bold;
}

/* Mise à jour de la carte */
.card .mise-a-jour{
  display: flex;
  justify-content: space-between;
}

.card .ressources, .mise-a-jour span,.card p {
  color: gray;
  font-size: 14px;
}

/* ================= FONCTIONNALITÉS ================= */
.fonctionalite{
  padding: 50px 20px;
  background-color: rgb(240, 240, 240);
  text-align: center;
}

.fonctionalite-content{
  display: flex;
  justify-content: space-around;
  padding-top: 30px;
  flex-wrap: wrap;
}

.fonctionalite-card{
  width: 200px;
}

.fonctionalite-card p{
  color: gray;
  font-size: 14px;
}

.fonctionalite-card h3{
  color: rgba(0, 0, 0, 0.856);
  font-size: 18px;
}

.fonctionalite-card i{
  font-size: 40px;
  color: blueviolet;
  padding: 10px;
  background-color: rgba(215, 233, 250, 0.466);
  border-radius: 50%;
}

.fonctionalite + h2{
  text-align: center;
  padding: 50px 20px 0 20px;
}

.fonctionalite ~ p{
  text-align: center;
  color: gray;
  font-size: 14px;
  padding: 0 20px 50px 20px;
}

/* ================= JOIN COMMUNAUTÉ ================= */
.join-communaute {
  display: flex;
  justify-content: space-evenly;
  padding: 20px;
  margin: 20px auto;
  flex-wrap: wrap;
}

.join-communaute .discussion,
.join-communaute .partage {
  flex: 1 1 40%; /* 2 colonnes sur grand écran */
  box-shadow: rgba(149, 157, 165, 0.2) 0px 8px 24px;
  padding: 20px;
  border-radius: 12px;
  margin: 10px;
  transition: transform 0.3s ease;
  text-align: left;
}

/* Couleurs spécifiques */
.discussion {
  background-color: rgba(127, 255, 212, 0.08);
}

.partage {
  background-color: rgba(236, 135, 250, 0.15);
}

/* Icônes */
.discussion i,
.partage i {
  font-size: 40px;
  color: blueviolet;
  padding: 12px;
  background-color: white;
  border-radius: 50%;
  margin-bottom: 15px;
}

/* Boutons */
.join-communaute a {
  display: inline-block;
  text-decoration: none;
  color: blueviolet;
  padding: 8px 14px;
  border: 2px solid blueviolet;
  border-radius: 10px;
  font-weight: bold;
  transition: 0.3s;
}

.join-communaute a:hover {
  background-color: blueviolet;
  color: white;
}

/* Textes */
.join-communaute p {
  color: gray;
  font-size: 14px;
  margin: 10px 0 15px;
}

/* Effet hover cartes */
.join-communaute .discussion:hover,
.join-communaute .partage:hover {
  transform: translateY(-5px);
}

/* ================= CALL TO ACTION ================= */
.call-to-action {
  background-color: rgb(43, 86, 226);
  color: white;
  text-align: center;
  padding: 40px 20px;
}

.call-to-action a{
  text-decoration: none;
  color:white;
  padding: 10px 20px;
  border: 2px solid white;
  border-radius: 10px;
  font-weight: bold;
}

.call-to-action a:hover{
  background-color: white;
  color: blueviolet;
  transition: 0.3s;
}



/* ================= RESPONSIVE ================= */
@media (max-width: 1200px) {
  .matiere {
    grid-template-columns: repeat(3, 1fr); /* 3 cartes */
  }
}

@media (max-width: 900px) {
  .matiere {
    grid-template-columns: repeat(2, 1fr); /* 2 cartes */
  }


  .join-communaute {
    flex-direction: column;
    align-items: center;
  }

  .join-communaute .discussion,
  .join-communaute .partage {
    flex: 1 1 80%;
    max-width: 600px;
  }
}

@media (max-width: 600px) {
   .header-content h1{
    font-size: 50px;
  }
  .matiere {
    grid-template-columns: 1fr; /* 1 carte */
  }

  .join-communaute .discussion,
  .join-communaute .partage {
    flex: 1 1 100%;
  }
}

/* ================= NAVBAR RESPONSIVE ================= */
@media (max-width: 861px) {
 
  /* Header responsive */
  .search {
    flex-direction: column;
    align-items: center;
  }

  .input-search {
    width: 80%;
  }
}

/* ================= DARK MODE - PAGE ACCUEIL ================= */
.dark-mode .header {
  background-color: #0a0a0a;
  box-shadow: 0 4px 20px rgba(0, 255, 255, 0.1);
}

.dark-mode .header-content {
  background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.8)), url('../img/istockphoto-1759628359-1024x1024.jpg');
}

.dark-mode .header-content h1 {
  color: #0ff;
  text-shadow: 0 0 20px #0ff, 0 0 40px rgba(0, 255, 255, 0.5);
}

.dark-mode .header-content p {
  color: #e0e0e0;
}

/* Search bar dark */
.dark-mode .input-search {
  background-color: #1e1e1e;
  color: #e0e0e0;
  border: 1px solid #333;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.dark-mode .input-search:focus {
  border-color: #0ff;
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.dark-mode .input-search::placeholder {
  color: #888;
}

/* Search buttons with neon */
.dark-mode .search a {
  background-color: #1e1e1e;
  color: #0ff;
  border: 1px solid #0ff;
  box-shadow: 0 0 15px #0ff, 0 0 30px rgba(0, 255, 255, 0.3);
}

.dark-mode .search a:hover {
  background-color: #0ff;
  color: #0a0a0a;
  box-shadow: 0 0 20px #0ff, 0 0 40px #0ff;
}

.dark-mode .search .join-button {
  border: 2px solid #0ff;
}

.dark-mode .search .learn-more {
  background-color: #0ff;
  color: #0a0a0a;
  border: none;
}

.dark-mode .search .learn-more:hover {
  box-shadow: 0 0 25px #0ff, 0 0 50px rgba(0, 255, 255, 0.5);
}

/* Info matiere dark */
.dark-mode .info-matiere {
  color: #e0e0e0;
  background-color: #0a0a0a;
}

.dark-mode .info-matiere .info {
  color: #0ff;
  text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.dark-mode .info ~ span {
  color: #888;
}

/* Separator dark */
.dark-mode .separator {
  color: #e0e0e0;
}

.dark-mode .separator h2 {
  color: #0ff;
}

/* Matiere cards dark with neon */
.dark-mode .matiere .card {
  background-color: #1a1a1a;
  border: 1px solid #333;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.dark-mode .matiere .card:hover {
  box-shadow: 0 0 20px #0ff, 0 0 40px rgba(0, 255, 255, 0.3);
  border-color: #0ff;
  transform: translateY(-5px);
}

.dark-mode .card .titre {
  color: #0ff;
}

.dark-mode .card .ressources,
.dark-mode .card .mise-a-jour span,
.dark-mode .card p {
  color: #888;
}

/* Fonctionnalites dark */
.dark-mode .fonctionalite {
  background-color: #0a0a0a;
}

.dark-mode .fonctionalite h2,
.dark-mode .fonctionalite-card h3 {
  color: #0ff;
}

.dark-mode .fonctionalite-card p {
  color: #888;
}

.dark-mode .fonctionalite-card i {
  color: #0ff;
  background-color: rgba(0, 255, 255, 0.1);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

/* Join communaute dark */
.dark-mode .join-communaute .discussion,
.dark-mode .join-communaute .partage {
  background-color: #1a1a1a;
  border: 1px solid #333;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.dark-mode .join-communaute .discussion:hover,
.dark-mode .join-communaute .partage:hover {
  box-shadow: 0 0 20px #0ff, 0 0 40px rgba(0, 255, 255, 0.3);
  border-color: #0ff;
  transform: translateY(-5px);
}

.dark-mode .discussion i,
.dark-mode .partage i {
  color: #0ff;
  background-color: #0a0a0a;
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.dark-mode .join-communaute h3 {
  color: #0ff;
}

.dark-mode .join-communaute p {
  color: #888;
}

.dark-mode .join-communaute a {
  color: #0ff;
  border: 2px solid #0ff;
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
}

.dark-mode .join-communaute a:hover {
  background-color: #0ff;
  color: #0a0a0a;
  box-shadow: 0 0 20px #0ff, 0 0 40px rgba(0, 255, 255, 0.3);
}

/* Call to action dark */
.dark-mode .call-to-action {
  background-color: #1a1a1a;
  border-top: 1px solid #0ff;
  border-bottom: 1px solid #0ff;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
}

.dark-mode .call-to-action h2 {
  color: #0ff;
  text-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.dark-mode .call-to-action p {
  color: #e0e0e0;
}

.dark-mode .call-to-action a {
  color: #0ff;
  border: 2px solid #0ff;
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.dark-mode .call-to-action a:hover {
  background-color: #0ff;
  color: #0a0a0a;
  box-shadow: 0 0 25px #0ff, 0 0 50px rgba(0, 255, 255, 0.5);
}