:root {
  --primary-color: #0047AB;
  --secondary-color: #FFD700;
  --accent-color: #34A6F4;
  --dark: #1a1a1a;
  --light-bg: #F0F4F8;
  --white: #FFFFFF;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --success: #27ae60;
  --error: #e74c3c;
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  --radius: 12px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--light-bg);
  color: var(--text-dark);
  line-height: 1.6;
}
.header {
  background: var(--white);
  box-shadow: var(--shadow);
  padding: 1.5rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 150px;
  height: 50px;
}
.logo img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}
.header-steps {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light);
  font-size: 0.9rem;
}
.step.active {
  color: var(--primary-color);
  font-weight: 600;
}
.step-number {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}
.step.active .step-number {
  background: var(--primary-color);
  color: var(--white);
}
.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 2rem;
}
.form-section {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Ajustement grille pour suppression du champ "Type de véhicule" */
.form-section > form > .form-row:first-of-type {
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.form-row:not(:first-of-type) {
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.section-title {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-title i {
  font-size: 1.5rem;
}
.form-group {
  margin-bottom: 1.5rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
}
.form-group label .required {
  color: var(--error);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.3s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 71, 171, 0.1);
}
.form-row {
  display: grid;
  gap: 1rem;
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}
.options-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.option-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}
.option-item:hover {
  border-color: var(--accent-color);
}
.option-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.option-checkbox {
  width: 24px;
  height: 24px;
  cursor: pointer;
}
.option-details h4 {
  color: var(--primary-color);
  margin-bottom: 0.2rem;
}
.option-details p {
  font-size: 0.85rem;
  color: var(--text-light);
}
.option-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-color);
}
.summary-section {
  position: sticky;
  top: 100px;
  height: fit-content;
}
.summary-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.summary-title {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--light-bg);
}
.summary-item {
  display: flex;
  justify-content: space-between;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--light-bg);
}
.summary-item:last-child {
  border-bottom: none;
}
.summary-label {
  color: var(--text-dark);
  font-weight: 500;
}
.summary-value {
  font-weight: 600;
  color: var(--text-dark);
}
.summary-total {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--primary-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.summary-total .label {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
}
.summary-total .value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-color);
}
.promo-code {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--light-bg);
}
.promo-input-group {
  display: flex;
  gap: 0.5rem;
}
.promo-input-group input {
  flex: 1;
  padding: 0.8rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 0.95rem;
}
.promo-input-group button {
  padding: 0.8rem 1.5rem;
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}
.promo-input-group button:hover {
  background: var(--accent-color);
}
.payment-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px solid var(--light-bg);
}
#card-element {
  padding: 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  background: var(--white);
  margin-bottom: 1rem;
}
#card-errors {
  color: var(--error);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  min-height: 20px;
}
.payment-icons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  justify-content: center;
  opacity: 0.6;
}
.payment-icons i {
  font-size: 2rem;
}
.btn {
  width: 100%;
  padding: 1.2rem;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
.btn-primary {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #ffcc00 100%);
  color: var(--primary-color);
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}
.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}
.secure-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  color: var(--success);
  font-size: 0.9rem;
}

/* Responsive amélioré */
@media (max-width: 968px) {
  .container {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }
  .form-section {
    padding: 1.5rem 1rem;
  }
  .form-row {
    grid-template-columns: 1fr !important;
    gap: 1rem;
  }
  .summary-section {
    position: static;
    margin-top: 2rem;
  }
  .header-steps {
    display: none;
  }
}
.spinner {
  border: 3px solid var(--light-bg);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.hidden {
  display: none;
}

/* Base (desktop) - votre CSS existant */
:root {
  --primary-color: #0047AB;
  --secondary-color: #FFD700;
  --accent-color: #34A6F4;
  --dark: #1a1a1a;
  --light-bg: #F0F4F8;
  --white: #FFFFFF;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --success: #27ae60;
  --error: #e74c3c;
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  --radius: 12px;
}

/* ... (votre CSS de base ici) ... */

/* Responsive pour tous types de téléphones */

/* Très petits écrans (320px - iPhone SE, petits Android) */
@media (max-width: 360px) {
  .container {
    grid-template-columns: 1fr !important;
    padding: 0 0.75rem;
  }
  .form-section {
    padding: 1rem 0.75rem;
  }
  .form-row {
    grid-template-columns: 1fr !important;
    gap: 0.75rem;
  }
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 0.9rem;
    padding: 0.7rem 0.9rem;
  }
  .section-title {
    font-size: 1.4rem;
  }
  .btn-primary {
    font-size: 1rem;
    padding: 1rem;
  }
  .summary-section {
    position: static;
    margin-top: 1.5rem;
  }
  .summary-card {
    padding: 1rem;
  }
  .summary-title {
    font-size: 1.3rem;
  }
  .summary-total .value {
    font-size: 1.6rem;
  }
  .header {
    padding: 1rem 1rem;
  }
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }
  .header-steps {
    display: none;
  }
}

/* Petits écrans (361px - 480px) */
@media (min-width: 361px) and (max-width: 480px) {
  .container {
    grid-template-columns: 1fr !important;
    padding: 0 1rem;
  }
  .form-section {
    padding: 1.25rem 1rem;
  }
  .form-row {
    grid-template-columns: 1fr !important;
    gap: 0.85rem;
  }
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 1rem;
    padding: 0.8rem 1rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .btn-primary {
    font-size: 1.05rem;
    padding: 1.1rem;
  }
  .summary-section {
    position: static;
    margin-top: 1.75rem;
  }
  .summary-card {
    padding: 1.25rem;
  }
  .summary-title {
    font-size: 1.4rem;
  }
  .summary-total .value {
    font-size: 1.8rem;
  }
  .header {
    padding: 1.25rem 1.5rem;
  }
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }
  .header-steps {
    display: none;
  }
}

/* Moyens écrans mobiles (481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
  .container {
    grid-template-columns: 1fr !important;
    padding: 0 1.5rem;
  }
  .form-section {
    padding: 1.5rem 1.5rem;
  }
  .form-row {
    grid-template-columns: 1fr 1fr !important;
    gap: 1rem;
  }
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 1.1rem;
    padding: 0.9rem 1.1rem;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .btn-primary {
    font-size: 1.1rem;
    padding: 1.15rem;
  }
  .summary-section {
    position: sticky;
    top: 80px;
    margin-top: 0;
  }
  .summary-card {
    padding: 1.5rem;
  }
  .summary-title {
    font-size: 1.5rem;
  }
  .summary-total .value {
    font-size: 2rem;
  }
  .header {
    padding: 1.5rem 2rem;
  }
  .header-content {
    flex-direction: row;
    gap: 0;
  }
  .header-steps {
    display: flex;
  }
}

/* Grands mobiles / petits tablettes (768px - 968px) */
@media (min-width: 768px) and (max-width: 968px) {
  .container {
    grid-template-columns: 1fr 350px;
    padding: 0 2rem;
  }
  .form-section {
    padding: 2rem 2rem;
  }
  .form-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 1.15rem;
    padding: 1rem 1.2rem;
  }
  .section-title {
    font-size: 1.7rem;
  }
  .btn-primary {
    font-size: 1.15rem;
    padding: 1.2rem;
  }
  .summary-section {
    position: sticky;
    top: 100px;
  }
  .summary-card {
    padding: 2rem;
  }
  .summary-title {
    font-size: 1.6rem;
  }
  .summary-total .value {
    font-size: 2.2rem;
  }
  .header {
    padding: 1.5rem 2rem;
  }
  .header-content {
    flex-direction: row;
  }
  .header-steps {
    display: flex;
  }
}