.desc {
  background-color: #f8f9fa; /* Gris très clair */
  border-left: 4px solid #4caf50; /* Bande verte à gauche */
  padding: 1.5rem;
  border-radius: 12px;
  font-family: "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: #333;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  max-width: 800px;
  margin: 1.5rem auto;
}

.desc p {
  margin: 0 0 1rem;
}

.desc strong {
  color: #2e7d32; /* Vert foncé pour attirer l’œil */
}

.desc em {
  font-style: normal;
  color: #555;
  background-color: #e0f2f1;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

h1 {
  font-family: "Segoe UI", sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: #2e7d32; /* Vert foncé assorti à .desc */
  margin-top: 2rem;
  margin-bottom: 1rem;
  text-align: center;
  position: relative;
}

h1::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background-color: #4caf50;
  margin: 0.5rem auto 0;
  border-radius: 2px;
}


form {
  max-width: 600px;
  margin: 2rem auto;
  font-family: "Segoe UI", sans-serif;
  padding: 1rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #2e7d32;
}

input[type="text"],
input[type="email"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: #4caf50;
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

button,
input[type="submit"] {
  background-color: #4caf50;
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover,
input[type="submit"]:hover {
  background-color: #388e3c;
}


.youtube-video-link {
  display: inline-block;
  background-color: #ff0000;
  color: white;
  padding: 10px 15px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  font-family: sans-serif;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.youtube-video-link:hover {
  background-color: #cc0000;
  transform: scale(1.05);
}

.youtube-video-link::before {
  content: "▶️ ";
  margin-right: 5px;
}