:root {
  --bleu-clair: #eaf4fb;
  --bleu: #2f8fd1;
  --bleu-fonce: #1c5f8f;
  --bleu-nuit: #0f2f47;
  --blanc: #ffffff;
  --gris: #6b7a86;
  --gris-clair: #f4f7f9;
  --bordure: #dfe8ee;
  --orange: #f77f2e;
  --orange-fonce: #d9661a;
  --vert: #2fa370;
  --ombre: 0 4px 16px rgba(15, 47, 71, 0.08);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, var(--bleu-clair) 0%, var(--blanc) 320px);
  color: var(--bleu-nuit);
  min-height: 100vh;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: "Poppins", "Segoe UI", sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: #1E3A5F;
}

.tagline-header {
  color: var(--gris);
  font-size: 14px;
  display: none;
}

@media (min-width: 700px) {
  .tagline-header {
    display: block;
  }
}

/* Landing page */
.hero {
  text-align: center;
  padding: 70px 20px 100px;
}

.hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 800;
  color: var(--bleu-nuit);
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero p.subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--gris);
  max-width: 560px;
  margin: 0 auto 40px;
}

.btn {
  display: inline-block;
  border: none;
  border-radius: 999px;
  padding: 16px 36px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--bleu), var(--bleu-fonce));
  color: var(--blanc);
  box-shadow: 0 8px 24px rgba(47, 143, 209, 0.35);
}

.btn-orange {
  background: var(--orange);
  color: var(--blanc);
  box-shadow: 0 6px 18px rgba(247, 127, 46, 0.35);
}

.btn-orange:hover {
  background: var(--orange-fonce);
}

.btn-outline-blue {
  background: var(--blanc);
  color: var(--bleu-fonce);
  border: 2px solid var(--bleu);
}

.btn-outline-blue:hover {
  background: var(--bleu-clair);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

.feature-card {
  background: var(--blanc);
  border-radius: var(--radius);
  padding: 28px 20px;
  box-shadow: var(--ombre);
  text-align: center;
}

.feature-card .icon {
  font-size: 34px;
  margin-bottom: 10px;
}

.feature-card h3 {
  margin: 8px 0;
  font-size: 17px;
  color: var(--bleu-fonce);
}

.feature-card p {
  color: var(--gris);
  font-size: 14px;
  margin: 0;
}

.site-footer {
  text-align: center;
  color: var(--gris);
  font-size: 13px;
  padding: 30px 20px;
}

/* Configurateur */
.config-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 20px 80px;
}

.progress-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 48px;
}

.progress-step {
  flex: 1;
  height: 6px;
  border-radius: 4px;
  background: var(--bordure);
  position: relative;
  transition: background 0.3s ease;
}

.progress-step.active,
.progress-step.done {
  background: var(--bleu);
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--gris);
  margin-top: -36px;
  margin-bottom: 44px;
}

.progress-labels span {
  flex: 1;
  text-align: center;
}

.step {
  display: none;
  animation: fadeIn 0.25s ease;
}

.step.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.step h2 {
  text-align: center;
  font-size: 26px;
  color: var(--bleu-nuit);
  margin-bottom: 32px;
}

.choice-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 600px) {
  .choice-row {
    grid-template-columns: 1fr;
  }
}

.choice-card {
  background: var(--blanc);
  border: 2px solid var(--bordure);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: var(--ombre);
}

.choice-card:hover {
  border-color: var(--bleu);
  transform: translateY(-3px);
}

.choice-card.selected {
  border-color: var(--bleu);
  background: var(--bleu-clair);
}

.choice-card .icon {
  font-size: 40px;
  margin-bottom: 14px;
}

.choice-card h3 {
  font-size: 18px;
  color: var(--bleu-fonce);
  margin: 0 0 6px;
}

.choice-card p {
  font-size: 13px;
  color: var(--gris);
  margin: 0;
}

.choice-card-disabled {
  position: relative;
  cursor: not-allowed;
  opacity: 0.6;
}

.choice-card-disabled:hover {
  border-color: var(--bordure);
  transform: none;
}

.badge-soon {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  background: #f4f0e2;
  color: #a3821a;
}

.input-group {
  position: relative;
  margin-bottom: 20px;
}

.text-input {
  width: 100%;
  padding: 16px 20px;
  font-size: 17px;
  border: 2px solid var(--bordure);
  border-radius: 12px;
  background: var(--blanc);
  outline: none;
  transition: border-color 0.15s ease;
}

.text-input:focus {
  border-color: var(--bleu);
}

.autocomplete-list {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--blanc);
  border-radius: 12px;
  box-shadow: var(--ombre);
  overflow: hidden;
  z-index: 10;
  display: none;
}

.autocomplete-list.show {
  display: block;
}

.autocomplete-item {
  padding: 12px 20px;
  cursor: pointer;
  font-size: 15px;
}

.autocomplete-item:hover,
.autocomplete-item.active {
  background: var(--bleu-clair);
}

.sub-block {
  margin-top: 36px;
}

.sub-block.hidden {
  display: none;
}

.sub-block h3 {
  text-align: center;
  font-size: 16px;
  color: var(--gris);
  margin-bottom: 16px;
  font-weight: 600;
}

.pill-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.pill {
  padding: 10px 20px;
  border-radius: 999px;
  border: 2px solid var(--bordure);
  background: var(--blanc);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s ease;
}

.pill:hover {
  border-color: var(--bleu);
}

.pill.selected {
  background: var(--bleu);
  color: var(--blanc);
  border-color: var(--bleu);
}

.slider-block {
  background: var(--blanc);
  border-radius: var(--radius);
  padding: 40px 30px;
  box-shadow: var(--ombre);
  text-align: center;
}

.slider-value {
  font-size: 42px;
  font-weight: 800;
  color: var(--bleu-fonce);
  margin-bottom: 24px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--bleu);
  height: 6px;
}

.slider-scale {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--gris);
  margin-top: 8px;
}

.step-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 44px;
  gap: 12px;
}

.btn-secondary {
  background: var(--blanc);
  color: var(--gris);
  border: 2px solid var(--bordure);
  border-radius: 999px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--bleu);
  color: var(--bleu-fonce);
}

.btn-disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* Animation de recherche */
.search-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 40px 20px;
}

.search-loading.hidden {
  display: none;
}

.search-loading-inner {
  text-align: center;
  max-width: 420px;
}

.loader-spinner {
  width: 56px;
  height: 56px;
  margin: 0 auto 28px;
  border-radius: 50%;
  border: 4px solid var(--bleu-clair);
  border-top-color: var(--bleu);
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.search-loading-text {
  font-size: 19px;
  font-weight: 700;
  color: var(--bleu-nuit);
  min-height: 28px;
  transition: opacity 0.2s ease;
}

.search-loading-steps {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.search-loading-step {
  font-size: 13px;
  color: var(--gris);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.25s ease, transform 0.25s ease, color 0.25s ease;
}

.search-loading-step.shown {
  opacity: 1;
  transform: translateY(0);
}

.search-loading-step.done {
  color: var(--vert);
}

.search-loading-step .check {
  display: inline-block;
  width: 14px;
}

#results-container {
  display: none;
}

#results-container.ready {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* Résultats page */
.results-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  align-items: start;
  padding-bottom: 60px;
}

@media (max-width: 900px) {
  .results-layout {
    grid-template-columns: 1fr;
  }
}

.filters-panel {
  background: var(--blanc);
  border-radius: var(--radius);
  box-shadow: var(--ombre);
  padding: 24px 20px;
  position: sticky;
  top: 20px;
}

.filters-panel h2 {
  font-size: 18px;
  margin: 0 0 20px;
  color: var(--bleu-fonce);
}

.filter-group {
  margin-bottom: 26px;
}

.filter-group h4 {
  font-size: 14px;
  margin: 0 0 12px;
  color: var(--bleu-nuit);
}

.checkbox-row, .radio-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 14px;
}

.filter-slider-value {
  font-weight: 700;
  color: var(--bleu-fonce);
  font-size: 14px;
  margin-bottom: 8px;
}

.results-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.results-count {
  color: var(--gris);
  font-size: 15px;
}

.sort-group {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gris);
}

.sort-group select {
  padding: 9px 14px;
  border: 2px solid var(--bordure);
  border-radius: 10px;
  background: var(--blanc);
  font-size: 14px;
  color: var(--bleu-nuit);
  outline: none;
  cursor: pointer;
}

.sort-group select:focus {
  border-color: var(--bleu);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--blanc);
  border-radius: var(--radius);
  box-shadow: var(--ombre);
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease;
}

.product-card:hover {
  transform: translateY(-4px);
}

.product-image {
  width: calc(100% + 44px);
  margin: -22px -22px 16px;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--gris-clair);
}

.badge-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-sans-pose {
  background: #e2f6ec;
  color: var(--vert);
}

.badge-pose {
  background: #fdeee0;
  color: var(--orange-fonce);
}

.badge-cee {
  background: #e5f0fb;
  color: var(--bleu-fonce);
}

.product-brand {
  font-size: 12px;
  color: var(--gris);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 4px;
}

.product-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--bleu-nuit);
  margin: 0 0 14px;
}

.product-type {
  font-size: 13px;
  color: var(--gris);
  margin-bottom: 16px;
}

.product-price {
  font-size: 26px;
  font-weight: 800;
  color: var(--bleu-fonce);
  margin-bottom: 4px;
}

.product-price-label {
  font-size: 12px;
  color: var(--gris);
  margin-bottom: 16px;
}

.product-detail-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  padding: 8px 0;
  border-top: 1px solid var(--bordure);
  color: var(--bleu-nuit);
}

.product-detail-row > span:last-child {
  text-align: right;
}

.product-detail-row .label {
  color: var(--gris);
}

.stars {
  color: #f5a623;
  letter-spacing: 1px;
}

.product-card .btn {
  margin-top: 18px;
  text-align: center;
  padding: 13px 20px;
  font-size: 15px;
  width: 100%;
}

.no-results {
  text-align: center;
  padding: 60px 20px;
  color: var(--gris);
  background: var(--blanc);
  border-radius: var(--radius);
  box-shadow: var(--ombre);
}

/* Fiche produit */
.back-link {
  display: inline-block;
  margin: 24px 0;
  color: var(--gris);
  font-size: 14px;
  font-weight: 600;
}

.back-link:hover {
  color: var(--bleu-fonce);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  background: var(--blanc);
  border-radius: var(--radius);
  box-shadow: var(--ombre);
  padding: 28px;
  margin-bottom: 24px;
}

@media (max-width: 700px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
  }
}

.product-detail-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--gris-clair);
}

.product-detail-title {
  font-size: 28px;
  margin: 0 0 6px;
  color: var(--bleu-nuit);
}

.product-detail-main .product-type {
  margin-bottom: 12px;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 18px;
}

.rating-count {
  color: var(--gris);
}

.product-detail-price {
  font-size: 32px;
  font-weight: 800;
  color: var(--bleu-fonce);
}

.product-detail-price .price-label {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: var(--gris);
  margin-top: 4px;
}

.product-detail-indicators {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.indicator-card {
  background: var(--blanc);
  border-radius: var(--radius);
  box-shadow: var(--ombre);
  padding: 18px 20px;
}

.indicator-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gris);
  margin-bottom: 8px;
}

.indicator-value {
  font-size: 19px;
  font-weight: 700;
  color: var(--bleu-nuit);
}

.detail-section {
  margin-bottom: 32px;
}

.detail-section h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 19px;
  color: var(--bleu-fonce);
  margin-bottom: 16px;
}

.vendor-list, .installer-list {
  background: var(--blanc);
  border-radius: var(--radius);
  box-shadow: var(--ombre);
  overflow: hidden;
}

.vendor-row, .installer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--bordure);
}

.vendor-row:last-child, .installer-row:last-child {
  border-bottom: none;
}

.vendor-name, .installer-name {
  font-weight: 700;
  color: var(--bleu-nuit);
  flex: 1;
}

.vendor-price {
  font-size: 18px;
  font-weight: 800;
  color: var(--bleu-fonce);
}

.installer-info {
  flex: 1;
}

.installer-meta {
  font-size: 13px;
  color: var(--gris);
  margin-top: 2px;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 13px;
  white-space: nowrap;
}

/* Tooltip "i" */
.info-tooltip {
  position: relative;
  display: inline-flex;
}

.info-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--gris);
  background: none;
  color: var(--gris);
  font-size: 11px;
  font-style: italic;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.info-icon:hover, .info-icon:focus {
  border-color: var(--bleu);
  color: var(--bleu);
}

.info-tooltip-content {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 260px;
  background: var(--bleu-nuit);
  color: var(--blanc);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
  padding: 12px 14px;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  z-index: 20;
  text-align: left;
}

.info-tooltip-content.show {
  display: block;
}

.info-tooltip-content::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--bleu-nuit);
}

/* Modale */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 47, 71, 0.5);
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal-overlay.show {
  display: flex;
}

.modal {
  background: var(--blanc);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 440px;
  width: 100%;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  animation: fadeIn 0.2s ease;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--gris);
}

.modal h3 {
  margin: 0 0 6px;
  color: var(--bleu-fonce);
  font-size: 20px;
}

.modal p.modal-sub {
  color: var(--gris);
  font-size: 14px;
  margin: 0 0 24px;
}

.form-field {
  margin-bottom: 16px;
}

.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--bleu-nuit);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--bordure);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--bleu);
}

.form-field textarea {
  resize: vertical;
  min-height: 70px;
}

.modal .btn {
  width: 100%;
  margin-top: 8px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 20px 0;
}

.form-success .icon {
  font-size: 44px;
  margin-bottom: 12px;
}

.form-success h3 {
  color: var(--vert);
}