/* CORPS DE LA PAGE */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Playfair Display', serif;
  background-color: #121212;
  color: #E0E0E0;
  width: 100%;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}







/* HEADER DE LA PAGE */
/* ------------------------------------------------------- */

/* bloc header */
.header {
  width: 100%;
  background-color: #0e0e0e;
  position: sticky;
  top: 0;
  z-index: 999;
  border-bottom: 2px solid #00FFFF;
  margin-bottom: 10px;
}

/* bloc du haut dans le header */
.header-topbar {
  background-color: #111;
  color: #E0E0E0;
  font-size: 12px;
  padding: 6px 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  border-bottom: 2px solid white;
}

/* partie droite du bloc du haut */
.topbar-right a {
  margin-left: 15px;
  color: #E0E0E0;
  text-decoration: none;
}

/* effet */
.topbar-right a:hover {
  color: #FFFFFF;
}

/* bloc du bas du header */
.header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 40px;
  width: 100%;
}

/* logo */
.logo img {
  height: 50px;
  width: 50px;
  border: 2px solid #00FFFF;
}

/* navigation */
.nav {
  display: flex;
  align-items: center;
}

/* config navigation */
.nav-list {
  display: flex;
  gap: 45px;
  list-style: none;
}

/* texte */
.nav-link {
  color: #E0E0E0;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  padding: 10px 14px;
  border-radius: 6px;
  transition: all 0.3s ease;
  position: relative;
}

/* effet */
.nav-link:hover {
  background-color: #00ffff22; /* léger fond cyan */
  color: #00FFFF;
  box-shadow: 0 0 8px rgba(0, 255, 255, 0.4);
  text-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
  transform: translateY(-1px);
}








/* BLOC DE LA PAGE */
/* ------------------------------------------------------- */


/* GENERAL */

/* bloc central de la page */
.container {
  max-width: 1140px;
  margin: auto;
  padding: 40px 20px;
}

/* titres de la page */
h1 {
  text-align: center;
  font-size: 65px;
  margin-bottom: 40px;
  border-bottom: 2px solid #00FFFF;
  padding-bottom: 10px;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  color: #E0E0E0;
}

h2 {
  font-size: 35px;
   color: #E0E0E0;
  margin-top: 80px;
  margin-bottom: 30px;
}

/* bloc bts sio */
.bts-section {
  background-color: #1e1e1e;
  border: 2px solid #00FFFF;
  border-radius: 10px;
  padding: 20px;
}

/* titre bloc bts sio */
.bts-section h2 {
  font-size: 24px;
  margin-bottom: 15px;
  color: #E0E0E0;
  border: 2px solid #00FFFF;
  padding-left: 12px;
}

/* texte bloc bts sio */
.bts-section p,
.bts-section ul {
  font-size: 17px;
  line-height: 1.6;
  color: #E0E0E0;
  font-family: 'Verdana', sans-serif;
  text-align: justify;
}

.bts-section ul li {
  list-style-type: square;
  padding-left: 0px;
  font-family: 'Verdana', sans-serif;
  font-size: 17px;
  color: #E0E0E0;
}

/* bloc options */
.competences-bts {
  margin-top: 1px;
}

/* titre bloc options */
.competences-bts h3 {
  color: #E0E0E0;
  font-size: 20px;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

/* texte bloc options */
.competences-bts ul {
  list-style-type: square;
  padding-left: 20px;
  line-height: 1.6;
}

/* liste bloc options */
.competences-bts li {
  color: #E0E0E0;
  margin-bottom: 8px;
}

/* blocs interieur bloc options */
.options-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 10px;
  margin-bottom: 10px;
}

/* carte */
.option-card {
  flex: 1;
  height: 300px;
  width: 400px;
  background-color: #2a2a2a;
  padding: 20px;
  border-radius: 8px;
  border: 2px solid #00FFFF;
}

/* header carte */
.option-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

/* totre header carte */
.option-header h3 {
  font-size: 18px;
  margin: 0;
  color: #E0E0E0;
  flex: 1;
}

/* videos header carte */
.option-video {
  width: 120px;
  height: 120px;
  border-radius: 8px;
  object-fit: cover;
  background-color: #000;
  flex-shrink: 0;
  border: 2px solid #00FFFF;
}

/* texte carte */
.option-card ul {
  padding-left: 20px;
  list-style-type: disc;
  color: #E0E0E0;
}

/* bloc debouches */
.debouches-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
}

/* carte */
.debouche-card {
  flex: 1;
  min-width: 250px;
  background-color: #2a2a2a;
  padding: 20px;
  border-radius: 8px;
  border: 2px solid #00FFFF;
  color: #E0E0E0;
}

/* header carte */
.debouche-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  gap: 15px;
}

/* titre header carte */
.debouche-header h3 {
  margin: 0;
  font-size: 18px;
  color: #E0E0E0;
  flex: 1;
}

/* video header carte */
.debouche-media {
  width: 120px;
  height: 120px;
  border-radius: 6px;
  object-fit: cover;
  border: 2px solid #00FFFF;
}

.debouche-card ul {
  margin-top: 0;
  padding-left: 20px;
  list-style-type: square;
  font-size: 16px;
  color: #E0E0E0;
  line-height: 1.6;
  text-align: left;
}




/* FOOTER */
/* ------------------------------------------------------- */

/* bloc du footer */
.footer {
  background-color: #0e0e0e;
  color: #E0E0E0;
  padding: 40px 20px 10px;
  font-size: 14px;
  border-top: 2px solid #00FFFF;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

/* bloc du haut dans le footer */
.footer-container {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: auto;
  gap: 30px;
}

/* titre des categories */
.footer-section h4 {
  color: #E0E0E0;
  font-size: 15px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

/* texte categories */
.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* texte categories */
.footer-section li {
  margin-bottom: 6px;
}

/* liens */
.footer-section a {
  color: #E0E0E0;
  text-decoration: none;
  transition: 0.2s ease;
}

/* effet sur les liens */
.footer-section a:hover {
  color: #E0E0E0;
}

/* bloc du bas du footer */
.footer-bottom {
  text-align: center;
  margin-top: 10px;
  font-size: 15px;
  border-top: 1px solid #00FFFF;
}

/* texte bloc du bas du footer/* texte categories */


/* separation blocs */
.footer-divider {
  width: 80%;
  max-width: 4000px;
  margin-top: 15px;
  border-top: 1px solid #00FFFF;
  width: 100%;
}

/* boouton pour remonter */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #00ffff;
  color: #000;
  text-decoration: none;
  font-size: 20px;
  font-weight: bold;
  padding: 8px 12px;
  border-radius: 8px;
  opacity: 0.7;
  transition: all 0.3s ease;
  z-index: 999;
}

/* effet bouton */
.scroll-top:hover {
  opacity: 1;
  transform: scale(1.1);
}





@media (max-width: 768px) {

  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 25px;
    margin-top: 40px;
  }

  .header-main {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-list {
    flex-direction: column;
    gap: 15px;
    display: none;
    background-color: #0e0e0e;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    padding: 20px;
    border-top: 2px solid #00FFFF;
  }

  .nav-list.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    cursor: pointer;
    margin-left: 20px;
  }

  .nav-toggle span {
    display: block;
    height: 3px;
    background-color: #00FFFF;
    border-radius: 2px;
  }

  .option-card,
  .debouche-card {
    width: 100%;
    height: auto;
  }

  .option-header,
  .debouche-header {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .option-video,
  .debouche-media {
    width: 100%;
    max-width: 220px;
    height: auto;
  }

  .container {
    padding: 20px 15px;
  }

  .bts-section p,
  .bts-section ul li {
    font-size: 15px;
  }
}