/* Style CSS pour l'application web */

/* Réinitialisation de base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f4f4f4;
}

/* Navigation */
nav {
  background-color: #2c3e50;
  padding: 1rem 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

nav ul li {
  margin: 0 1rem;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

nav ul li a:hover {
  background-color: #34495e;
}

nav ul li a.active {
  background-color: #3498db;
}

/* En-tête */
header {
  background-color: #3498db;
  color: white;
  text-align: center;
  padding: 3rem 1rem;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* Contenu principal */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem 2rem;
}

section {
  background-color: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

h2 {
  color: #2c3e50;
  margin-bottom: 1rem;
  border-bottom: 2px solid #3498db;
  padding-bottom: 0.5rem;
}

h3 {
  color: #3498db;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

/* Cartes de service */
.services-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.service-card {
  background-color: #f8f9fa;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

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

/* Informations de contact */
.contact-info {
  background-color: #e8f4fc;
  padding: 1.5rem;
  border-radius: 8px;
  margin-bottom: 2rem;
}

.contact-info p {
  margin-bottom: 0.5rem;
}

/* Formulaire de contact */
.contact-form {
  background-color: #f8f9fa;
  padding: 1.5rem;
  border-radius: 8px;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: #2c3e50;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

button {
  background-color: #3498db;
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #2980b9;
}

/* Pied de page */
footer {
  background-color: #2c3e50;
  color: white;
  text-align: center;
  padding: 1.5rem;
  margin-top: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    align-items: center;
  }

  nav ul li {
    margin: 0.25rem 0;
  }

  header h1 {
    font-size: 2rem;
  }

  .services-container {
    grid-template-columns: 1fr;
  }
}