body {
  font-family: 'Work Sans', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #FAFAF4;
  color: #424242;
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}
header h1, section.services h3, section.hero h2, .service h4 {
  font-family: 'Montserrat', sans-serif;
}
@keyframes fadeIn {
  to { opacity: 1; }
}
header {
  background-color: #1B5E20;
  color: white;
  padding: 2rem 1rem;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: 2.5rem;
}
section.hero {
  padding: 3rem 2rem;
  text-align: center;
}
section.hero h2 {
  color: #1B5E20;
  font-size: 2rem;
}
section.hero p {
  margin-top: 1rem;
  font-size: 1.2rem;
}
.cta {
  display: inline-block;
  margin-top: 2rem;
  padding: 1rem 2rem;
  background-color: #FFA726;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: transform 0.2s ease, background-color 0.2s ease;
}
.cta:hover {
  background-color: #FB8C00;
  transform: scale(1.05);
}
.cta:active {
  transform: scale(0.95);
  background-color: #EF6C00;
}
section.services {
  background-color: #ffffff;
  padding: 3rem 2rem;
}
section.services h3 {
  color: #00796B;
  font-size: 1.8rem;
  text-align: center;
  margin-bottom: 2rem;
}
.service {
  max-width: 800px;
  margin: 1rem auto;
  background-color: #FAFAF4;
  padding: 1.5rem;
  border-left: 6px solid #66BB6A;
  border-radius: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.5s ease;
  cursor: pointer;
  position: relative;
}
.service:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.service.active {
  background-color: #F1F8E9;
}
.service h4::after {
  content: '+';
  position: absolute;
  right: 20px;
  font-size: 1.5rem;
  color: #66BB6A;
  transition: transform 0.3s ease;
}
.service.active h4::after {
  content: '-';
  transform: rotate(180deg);
}
.service p.short-description {
  margin-top: 0.5rem;
  font-size: 1.1rem;
  color: #666666;
}
.service-details {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin-top: 1rem;
  font-size: 1rem;
  color: #424242;
  font-weight: 300;
  line-height: 1.7;
  transition: max-height 0.5s ease, opacity 0.5s ease;
}
.service.active .service-details {
  max-height: 500px;
  opacity: 1;
}
.service-details ul {
  padding-left: 1.5rem;
  list-style: none;
}
.service-details li {
  position: relative;
  margin-bottom: 0.8rem;
  padding-left: 1.5rem;
}
.service-details li::before {
  content: '✔️';
  position: absolute;
  left: 0;
  top: 0;
}
footer {
  background-color: #1B5E20;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}
.contact-form {
  max-width: 600px;
  margin: 3rem auto;
  background: #FAFAF4;
  padding: 2rem;
  border-radius: 8px;
}
.contact-form form {
  display: flex;
  flex-direction: column;
}
.contact-form label {
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-family: 'Work Sans', sans-serif;
}
.contact-form input,
.contact-form textarea {
  padding: 1rem;
  margin-bottom: 1.5rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: 'Work Sans', sans-serif;
  font-size: 1rem;
}
.contact-form button {
  align-self: center;
}
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: #ffffff;
  padding: 1rem 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.brand a {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: #1B5E20;
  text-decoration: none;
}

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: #ffffff;
  padding: 1rem 2rem;
  display: flex;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.navbar ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.navbar li {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}

.navbar a {
  text-decoration: none;
  color: #1B5E20;
  font-size: 1.1rem;
  transition: color 0.3s ease;
}

.navbar a:hover {
  color: #FFA726;
}

/* Correction du décalage dû au menu fixe */
header, section.hero, section.services, section.contact-form {
  padding-top: 80px;
}
.service h4 {
  cursor: pointer; /* Rendre le titre cliquable clairement */
  position: relative;
  padding-right: 2rem; /* Laisse de l'espace pour le + / - */
}
.cta-button {
    display: inline-block;
    background-color: #FFA726;
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: bold;
    font-family: 'Montserrat', sans-serif;
    text-decoration: none;
    transition: background-color 0.3s ease;
  }

  .cta-button:hover {
    background-color: #FB8C00;
  }