.nav-button{

  display: none;
}

.bar{
  width: 1.5rem; 
  height: 0.2rem;
  margin-bottom: 0.3rem; 
  background-color: rgb(62, 63, 63); 
  border-radius: 2px;
}
/* ---------- STYLES TABLETTE (max 1024px) ---------- */
@media (max-width: 1024px) {

  header nav ul {
    gap: 1rem;
  }

  .hero {
    flex-direction: column;
    text-align: center;
    padding: 3rem 5%;
  }

  .hero-content {
    max-width: 100%;
    margin-bottom: 2rem;
  }

  .hero-image img {
    width: 320px;
  }

  .service-cards {
    flex-direction: column;
    align-items: center;
  }

  .advantage-list {
    justify-content: center;
    gap: 1rem;
  }

  footer {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  footer .footer-links {
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
  }
}

/* ---------- STYLES MOBILE (max 768px) ---------- */
@media (max-width: 768px) {

  header nav {
    display: wrap ;
    flex-wrap: wrap;
    flex-direction: row;
    gap: 1rem;
    color: red;
  }

  #se_connecter{
    display: none;
  }


  .nav-liste {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: center;
   
  
  }
  

  .nav-liste.active{
    display: flex;
    
  }



  .btn-primary {
    display: inline-block;
    margin-top: 1rem;
  }

  .hero {
    padding: 0rem;
  }
  .hero-content{
    min-width: 90% ;
    width: 100%;
  }
  .hero-content h1 {
    font-size: 0.4rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .hero-image img {
    display: none;
  }

  .estimation-form {
    width: 100%;
    padding: 1rem;
  }

  .service-cards {
    gap: 1.5rem;
  }

  .advantage-list {
    align-items: center;
    flex-direction: column;
    gap: 1.5rem;
  }

  footer {
    padding: 2rem 1rem;
  }

  footer .footer-links {
    width: 100%;
    align-items: center;
  }
}

/* ---------- STYLES TÉLÉPHONES PETITS (max 480px) ---------- */
@media (max-width: 480px) {



  header .logo {
    font-size: 1.2rem;
  }

  .hero-content h1 {
    font-size: 1.6rem !important;
  }

  .hero-content p {
    font-size: 0.95rem;
    display: none;
  }

  .estimation-form input,
  .estimation-form select {
    font-size: 0.9rem;
    padding: 0.7rem;
    background: #fff;
  }

  .hero-image img {
    width: 220px;
  }

  .service-cards .card {
    max-width: 90%;
  }

  .advantage {
    max-width: 90%;
  }

  footer {
    font-size: 0.9rem;
  }
}

/* ---------- RESET ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Arial, sans-serif;
}

body {
  background: #f5faff;
  color: #222;
  line-height: 1.6;
}

/* ---------- HEADER ---------- */
header {
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  padding: 1rem 5%;
  position: sticky;
  top: 0;
  z-index: 100;
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header .logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #007bff;
}

header ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

header ul li a {
  text-decoration: none;
  color: #333;
  transition:  0.4s;
}

header ul li a:hover {
  color: #007bff;
  padding-bottom: 0.3rem;
  border-bottom: solid 2px #0056b3;
}


.btn-primary {
  background: #007bff;
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.3s;
}

.btn-primary:hover {
  background: #0056b3;
}

.btn-secondary {
  background: #f0f8ff;
  color: #007bff;
  padding: 0.5rem 1rem;
  border: 1px solid #007bff;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.3s;
}

.btn-secondary:hover {
  background: #007bff;
  color: #fff;
}

/* ---------- HERO ---------- */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4rem 5%;
  background: linear-gradient(to right, #eaf4ff, #ffffff);
}

.hero-content {
  max-width: 50%;
}

.hero-content h1 {
  font-size: 2.2rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: #0d2c54;
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #333;
}

.hero-image img {
  width: 420px;
  max-width: 100%;
}

/* ---------- FORMULAIRE ---------- */
.estimation-form {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  background: #fff;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  max-width: 380px;
}


.estimation-form select{
  color: #757575;
  background-color: #fff;
}
.estimation-form input,
.estimation-form select,
.estimation-form button {
  padding: 0.8rem;
  font-size: 1rem;
  border-radius: 6px;
  border: 1px solid #ccc;
  
}

.estimation-form input:focus,
.estimation-form select:focus {
  outline: none;
  border-color: #007bff;
}

.estimation-form button {
  border: none;
  cursor: pointer;
}

/* ---------- SERVICES ---------- */
.services {
  background-color: white;
  text-align: center;
  padding: 4rem 5%;
}

.services h2 {
  font-size: 2rem;
  color: #0d2c54;
  margin-bottom: 1rem;
}

.services p {
  color: #555;
  margin-bottom: 2.5rem;
}

.service-cards {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.service-cards .card {
  background: #f8fbff;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.05);
  flex: 1;
  max-width: 300px;
}

.service-cards .card h3 {
  color: #007bff;
  margin-bottom: 1rem;
}

/* ---------- AVANTAGES ---------- */
.advantages {
  background: #eef6ff;
  padding: 4rem 5%;
  text-align: center;
}

.advantages h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #0d2c54;
}

.advantages p {
  margin-bottom: 2rem;
  color: #444;
}

.advantage-list {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.advantage {
  background: #fff;
  padding: 1.5rem;
  border-radius: 14px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.05);
  max-width: 220px;
}

.advantage h3 {
  color: #007bff;
  margin: 0.5rem 0;
}

/* ---------- FOOTER ---------- */
footer {
  background: #0d2c54;
  color: #fff;
  padding: 3rem 5%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

footer .footer-text {
  max-width: 400px;
}

footer .footer-text h3 {
  margin-bottom: 1rem;
}

footer .footer-links {
  display: flex;
  gap: 4rem;
  flex-wrap: wrap;
}

footer .footer-links h4 {
  margin-bottom: 0.8rem;
  color: #aad4ff;
}

footer ul {
  list-style: none;
}

footer ul li {
  margin-bottom: 0.5rem;
}

footer ul li a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s;
}

footer ul li a:hover {
  color: #aad4ff;
}

.info_w ,
.estimation-result{
  color: white;
  background-color: rgba(255,0 , 0 ,0.5);
  padding: 1.25rem ;
  font-weight: bold;
  border-radius: 0.5rem;
  display: none;
}
.estimation-result{
  background-color: rgba(67, 204, 25, 0.5);
}

.estimation-result.active,
.info_w.active{
  display: inline;
}
label {
  text-align: start;
}