/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* Styles généraux */
body {
  background-color: #111111;
  color: white;
  line-height: 1.6;
}

/* Conteneur principal */
.first-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
}

/* Conteneur du texte */
.text-container {
  display: flex;
  flex-direction: column;
  width: 80%;
  max-width: 900px;
  gap: 30px;
}

/* Titres */
h1 {
  text-align: center;
  color: #49D13C;
  font-size: 24px;
  margin-bottom: 20px;
}

/* Bloc contenant une image et du texte */
.kinematic-block {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Alternance gauche/droite */
.kinematic-block:nth-child(even) {
  flex-direction: row-reverse; /* Image à droite */
}

/* Images */
.kinematic-block img {
  width: 200px;
  height: auto;
  border-radius: 8px;
}

/* Texte */
.kinematic-block p {
  font-size: 16px;
  color: #f5f5f5;
  max-width: 60%;
}

/* Bloc spécifique pour les formules mathématiques */
.formula-block {
  display: flex;
  flex-direction: column;
  width: 290px;
  gap: 5px;
  margin-left: 20px;
}
.formula-block2 {
  display: flex;
  flex-direction: column;
  width: 700px;
  gap: 5px;
  margin-left: 20px;
}

.formula-block2 p {
  font-family: "Courier New", monospace;
  font-size: 16px;
  color: #49D13C;
  text-align: left;
}

.formula-block p {
  font-family: "Courier New", monospace;
  font-size: 16px;
  color: #49D13C;
  text-align: left;
}

/* Texte centré pour les légendes */
.center-text {
  text-align: center;
  font-size: 18px;
  color: #cccccc;
  font-style: italic;
}
footer {
  padding: 10px;
  background-color: #222222;
  color: white;
  position:relative;
  bottom: 0;
  width: 100%;
  height:51px ;
}

/* Responsive */
@media (max-width: 768px) {
  .kinematic-block {
      flex-direction: column !important;
      text-align: center;
  }

  .kinematic-block img {
      width: 100%;
  }

  .kinematic-block p {
      max-width: 100%;
  }
}