body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
}
header {
  background: #111;
  color: #fff;
  padding: 1rem 0;
}
nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}
nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}
.container {
  max-width: 1100px;
  margin: auto;
  padding: 2rem;
}
footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 1rem;
}
.logo {
  height: 50px;
}
.footer-logo {
  height: 40px;
  margin-bottom: 10px;
}


html, body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
}

main, .container {
  flex: 1 0 auto;
}

footer {
  flex-shrink: 0;
}


/* Bouton WhatsApp */
.btn[href*="wa.me"] {
  background-color: #25D366;
  color: #fff;
}

.btn[href*="wa.me"]:hover {
  background-color: #1ebe5d;
}

/* Autres boutons */
.btn:not([href*="wa.me"]) {
  background-color: #c0392b;
  color: #fff;
}

.btn:not([href*="wa.me"]):hover {
  background-color: #a93226;
}


.btn.whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.2rem;
  background-color: #25D366;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
  color: white;
  font-size: 1rem;
  transition: background-color 0.3s ease;
}

.btn.whatsapp:hover {
  background-color: #1ebe5d;
}

.icon-whatsapp {
  width: 20px;
  height: 20px;
}


html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.wrapper {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.container-main {
  flex: 1;
}

footer {
  flex-shrink: 0;
}


.lang-switch {
  text-align: right;
  font-size: 0.9rem;
  padding: 0.5rem 1rem 0 1rem;
}

.lang-switch a {
  color: #ffffff;
  margin: 0 0.3rem;
  text-decoration: none;
  font-weight: bold;
}

.lang-switch a:hover {
  text-decoration: underline;
}


/* Responsive Design */
@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  header h1 {
    font-size: 1.5rem;
  }

  .container {
    padding: 1rem;
  }

  .btn.whatsapp {
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
  }

  .logo {
    height: 40px;
  }

  footer {
    font-size: 0.9rem;
  }

  .lang-switch {
    text-align: center;
    margin-top: 0.5rem;
  }
}