/* Variables couleurs */
    :root {
      --primary: #38633B;
      --primary-dark: #004c99;
      --secondary: #00b359;
      --gray-light: #f5f7fa;
      --gray: #e4e7ec;
      --gray-dark: #8a94a6;
      --text: #2d3748;
      --white: #ffffff;
      --error: #d32f2f;
      --border-radius: 6px;
      --shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
      --transition: all 0.2s ease-in-out;
      --header-height: 70px;
      --spacing-xs: 0.25rem;
      --spacing-sm: 0.5rem;
      --spacing-md: 0.75rem;
      --spacing-lg: 1rem;
      --spacing-xl: 1.5rem;
      --font-weight-medium: 500;
      --font-weight-bold: 700;
      --radius-md: 6px;
      --radius-rounded: 50%;
      --transition-fast: 0.2s ease;
      --transition-normal: 0.3s ease;
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
      --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
      --light-color: #ffffff;
      --dark-color: #2d3748;
      --gray-200: #e4e7ec;
    }

    /* Reset et base */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Montserrat', sans-serif;
      font-size: 16px;
      line-height: 1.6;
      color: var(--text);
      background-color: var(--gray-light);
      min-width: 320px;
      
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1rem;
    }



/* HERO */
.hero {
  background-image: linear-gradient(rgba(56, 99, 59), rgba(0, 0, 0, 0.5)), url('../Logo/Batiment-V1.jpg');
  background-size: cover;
  background-position: center;
  padding: 5rem 2rem;
  text-align: center;
  color: var(--white);
}

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

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
}

/* BREADCRUMB */
.breadcrumb {
  margin: 1.5rem 0;
  color: var(--gray-dark);
  font-size: 0.9rem;
}

/* DEVIS CONTAINER */
.devis-container {
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  max-width: 1000px;
  margin: 0 auto 4rem;
}

/* PROGRESS BAR */
.progress-bar {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3rem;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex: 1;
}

.progress-step::before {
  content: '';
  position: absolute;
  top: 15px;
  left: -50%;
  width: 100%;
  height: 2px;
  background-color: var(--gray);
  z-index: 1;
}

.progress-step:first-child::before {
  display: none;
}

.step-circle {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--gray);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
  color: var(--text);
  font-weight: 600;
  z-index: 2;
  transition: var(--transition);
}

.step-label {
  font-size: 0.85rem;
  color: var(--gray-dark);
  transition: var(--transition);
}

.progress-step.active .step-circle {
  background-color: var(--primary);
  color: var(--white);
}

.progress-step.active .step-label {
  color: var(--primary);
  font-weight: 600;
}

.progress-step.completed .step-circle {
  background-color: var(--secondary);
  color: var(--white);
}

.progress-step.completed .step-label {
  color: var(--secondary);
}

.progress-step.completed::before {
  background-color: var(--secondary);
}

.progress-step.active::before {
  background-color: var(--primary);
}

/* FORM SECTIONS */
.form-section {
  margin-bottom: 2rem;
  transition: var(--transition);
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.hidden {
  display: none;
}

.section-title {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: var(--primary);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--gray);
}

.section-title svg {
  width: 24px;
  height: 24px;
  margin-right: 0.75rem;
  stroke: var(--primary);
}

.form-row {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
    gap: 1rem;
  }
}

.form-group {
  flex: 1;
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.required-field::after {
  content: ' *';
  color: var(--error);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--gray);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.2);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

/* CHECKBOX & RADIO STYLES */
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.checkbox-item input[type="checkbox"] {
  margin-top: 4px;
}

.radio-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.radio-card {
  position: relative;
  flex: 1;
  min-width: 120px;
}

.radio-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-card label {
  display: block;
  padding: 0.75rem 1rem;
  background-color: var(--gray-light);
  border: 2px solid var(--gray);
  border-radius: var(--border-radius);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.radio-card input[type="radio"]:checked + label {
  background-color: rgba(0, 102, 204, 0.1);
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
}

/* MODULE OPTIONS */
.module-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
  margin: 1rem 0;
}

.module-option {
  position: relative;
}

.module-option input[type="radio"] {
  position: absolute;
  opacity: 0;
}

.module-card {
  display: block;
  border: 2px solid var(--gray);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  height: 100%;
}

.module-image {
  height: 140px;
  background-color: var(--gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-dark);
}

.module-info {
  padding: 1rem;
}

.module-title {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.module-desc {
  color: var(--gray-dark);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.module-price {
  font-weight: 600;
  color: var(--primary);
}

.module-check {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--white);
  border: 2px solid var(--gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: transparent;
  font-weight: bold;
  transition: var(--transition);
}

.module-option input[type="radio"]:checked + .module-card {
  border-color: var(--primary);
  box-shadow: 0 5px 15px rgba(0, 102, 204, 0.2);
}

.module-option input[type="radio"]:checked + .module-card .module-check {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

/* SLIDER */
.budget-slider {
  padding: 0 0.5rem;
}

.slider-container {
  margin-bottom: 0.5rem;
}

input[type="range"] {
  width: 100%;
  appearance: none;
  height: 6px;
  background: linear-gradient(to right, var(--primary) 0%, var(--primary) 50%, var(--gray) 50%, var(--gray) 100%);
  border-radius: 10px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-info {
  display: flex;
  justify-content: space-between;
  color: var(--gray-dark);
  font-size: 0.9rem;
}

.slider-value {
  font-weight: 600;
  color: var(--primary);
}

/* BUTTONS */
.form-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.btn-prev {
  background-color: var(--white);
  border: 1px solid var(--gray-dark);
  color: var(--text);
}

.btn-prev:hover:not(:disabled) {
  background-color: var(--gray);
}

.btn-next, .btn-submit {
  background-color: var(--primary);
  color: white;
}

.btn-next:hover:not(:disabled), .btn-submit:hover:not(:disabled) {
  background-color: var(--primary-dark);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* SUMMARY SECTION */
.summary-section {
  background-color: var(--gray-light);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.summary-title {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

.summary-table th, .summary-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--gray);
}

.summary-table th {
  font-weight: 600;
  width: 40%;
}

.summary-total {
  background-color: var(--primary);
  color: white;
  padding: 1rem;
  border-radius: var(--border-radius);
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  font-size: 1.1rem;
}

/* FORM MESSAGE */
.form-message {
  margin-top: 2rem;
}

.success-message {
  background-color: rgba(0, 179, 89, 0.1);
  border: 1px solid var(--secondary);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
}

.success-message svg {
  width: 48px;
  height: 48px;
  stroke: var(--secondary);
  margin-bottom: 1rem;
}

.success-message h3 {
  color: var(--secondary);
  margin-bottom: 1rem;
}

.success-message .btn-primary {
  background-color: var(--secondary);
  color: white;
  margin-top: 1.5rem;
}

.success-message .btn-primary:hover {
  background-color: #009148;
}

/* FOOTER */
footer {
  background-color: #1a2236;
  color: #e4e7ec;
  padding: 3rem 0 1rem;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-title {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: white;
}

.footer-column p {
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-icon:hover {
  background-color: var(--primary);
}

.social-icon svg {
  width: 18px;
  height: 18px;
  stroke: white;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--gray);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
}

.footer-contact {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.footer-contact svg {
  width: 18px;
  height: 18px;
  margin-right: 0.75rem;
}

.footer-bottom {
  text-align: center;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  color: var(--gray-dark);
}

.footer-bottom a {
  color: var(--gray);
  text-decoration: none;
  transition: var(--transition);
}

.footer-bottom a:hover {
  color: white;
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .module-options {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  
  .checkbox-group {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .progress-bar {
    display: none;
  }
  
  
  .form-buttons {
    flex-direction: column;
    gap: 1rem;
  }
  
  .btn-prev, .btn-next, .btn-submit {
    width: 100%;
  }
}

@media (max-width: 576px) {
  .devis-container {
    padding: 1.5rem;
  }
  
  .module-options {
    grid-template-columns: 1fr;
  }
  
  .checkbox-group {
    grid-template-columns: 1fr;
  }
  
  .radio-cards {
    flex-direction: column;
  }
}

/* Styles communs pour tous les messages */
  .success-message, .error-message, .loading-message {
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  /* Style pour le message de succès */
  .success-message {
    background-color: #e8f5e9;
    border: 1px solid #4caf50;
    color: #2e7d32;
  }

  /* Style pour le message d'erreur */
  .error-message {
    background-color: #ffebee;
    border: 1px solid #f44336;
    color: #c62828;
  }

  /* Style pour le message de chargement */
  .loading-message {
    background-color: #e3f2fd;
    border: 1px solid #2196f3;
    color: #0d47a1;
  }

  /* Styles pour les icônes SVG dans les messages */
  .success-message svg, .error-message svg {
    width: 48px;
    height: 48px;
    margin-bottom: 10px;
  }

  .success-message svg {
    stroke: #4caf50;
  }

  .error-message svg {
    stroke: #f44336;
  }

  /* Style pour le spinner de chargement */
  .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top: 4px solid #2196f3;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
  }

  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }

  /* Styles pour les titres et textes dans les messages */
  .success-message h3, .error-message h3, .loading-message h3 {
    margin: 10px 0;
    font-size: 1.5rem;
  }

  .success-message p, .error-message p, .loading-message p {
    margin: 5px 0 15px;
    line-height: 1.5;
  }

  /* Style pour les boutons dans les messages */
  .success-message button, .error-message button {
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    border: none;
    margin-top: 10px;
  }

  .success-message button {
    background-color: #4caf50;
    color: white;
  }

  .success-message button:hover {
    background-color: #388e3c;
  }

  .error-message button {
    background-color: #f44336;
    color: white;
  }

  .error-message button:hover {
    background-color: #d32f2f;
  }

  /* Responsive adjustments */
  @media (max-width: 768px) {
    .success-message, .error-message, .loading-message {
      padding: 15px;
    }
    
    .success-message svg, .error-message svg {
      width: 36px;
      height: 36px;
    }
    
    .spinner {
      width: 30px;
      height: 30px;
    }
    
    .success-message h3, .error-message h3, .loading-message h3 {
      font-size: 1.2rem;
    }
  }