:root {
  --primary-color: #01C4FF;
  --primary-dark: #1565c0;
  --primary-light: #64b5f6;
  --secondary-color: #f5f5f5;
  --text-color: #333;
  --light-text: #717171;
  --border-color: #dddddd;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --card-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Circular', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
  color: var(--text-color);
  background-color: #fff;
  line-height: 1.5;
}

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

ul {
  list-style: none;
}

/* Header Styles */
#main-header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: #fff;
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  transition: var(--transition);
}

.header-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  flex: 1;
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
}

.highlight {
  color: var(--primary-dark);
}

.search-container {
  flex: 2;
  transition: var(--transition);
}

.search-bar {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 50px;
  box-shadow:
    0 2px 6px rgba(0, 0, 0, 0.08),
    0 8px 24px rgba(0, 0, 0, 0.06);
  position: relative;
}

.search-input {
  flex: 1;
  padding: .75rem 1rem;
  border: none;
  border-top-left-radius: 50px;
  border-bottom-left-radius: 50px;
  outline: none;
  font-size: 1rem;
}

.search-input::placeholder {
  color: #aaa;
}

.search-button {
  width: 52px;
  height: 52px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-right: -2px; /* recule la bordure pour la faire passer derrière */
  z-index: 1;
  transition: background-color .2s;
}

.search-button:hover {
  background-color: #00a0d6;
}

.search-button i {
  color: #fff;
  font-size: 1.25rem;
}


.user-menu {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
}

.menu-item {
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  padding: 10px;
  border-radius: 20px;
  transition: var(--transition);
}

.menu-item:hover {
  background-color: var(--secondary-color);
}

.profile-menu {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 10px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  cursor: pointer;
}

.profile-menu i {
  font-size: 18px;
  color: var(--text-color);
}

/* Filters Styles */
.filters-container {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
}

.filters-container::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Edge */
}

.filter-scroll {
  display: flex;
  gap: 30px;
  padding-bottom: 10px;
}
@media (min-width: 992px) {
  .filters-container {
    max-width: 1440px;
    margin: 0 auto; /* centre le conteneur */
  }
  .filter-scroll {
    justify-content: center; /* centre les items horizontalement */
  }
}


.filter-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  opacity: 0.7;
  transition: var(--transition);
  min-width: 70px;
}

.filter-item i {
  font-size: 24px;
}

.filter-item span {
  font-size: 12px;
  white-space: nowrap;
}

.filter-item.active {
  opacity: 1;
  padding-bottom: 10px;
}

.filter-item:hover {
  opacity: 1;
}

.filter-buttons {
  display: flex;
  gap: 10px;
  padding: 10px 20px;
  overflow-x: auto;
  scrollbar-width: none;
}

.filter-buttons::-webkit-scrollbar {
  display: none;
}

.filter-button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 30px;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.filter-button:hover {
  box-shadow: 0 2px 5px var(--shadow-color);
}

/* Main Content */
main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px;
}

.properties-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 20px;
}

.property-card {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  cursor: pointer;
}

.property-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.15);
}

.property-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.property-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.property-card:hover .property-image img {
  transform: scale(1.05);
}

.property-favorite {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1;
}

.property-favorite i {
  color: #888;
  font-size: 16px;
  transition: var(--transition);
}

.property-favorite.active i {
  color: var(--primary-color);
}

.property-info {
  padding: 16px;
}

.property-location {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.property-city {
  font-weight: 600;
  font-size: 16px;
}

.property-rating {
  display: flex;
  align-items: center;
  gap: 4px;
}

.property-rating i {
  color: var(--primary-color);
  font-size: 14px;
}

.property-type {
  color: var(--light-text);
  margin-bottom: 8px;
}

.property-price {
  font-weight: 600;
  margin-top: 8px;
}

.property-features {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  color: var(--light-text);
  font-size: 14px;
}

/* Footer Styles */
footer {
  background-color: #f7f7f7;
  padding: 40px 20px;
  margin-top: 40px;
  border-top: 1px solid var(--border-color);
}

.footer-container {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
}

.footer-section h3 {
  margin-bottom: 20px;
  font-size: 16px;
}

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section ul li a {
  color: var(--light-text);
  font-size: 14px;
  transition: var(--transition);
}

.footer-section ul li a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

.footer-bottom {
  max-width: 1440px;
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.social-links {
  display: flex;
  gap: 20px;
}

.social-links a {
  font-size: 18px;
  color: var(--text-color);
  transition: var(--transition);
}

.social-links a:hover {
  color: var(--primary-color);
}

.copyright {
  color: var(--light-text);
  font-size: 14px;
  text-align: center;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .header-container {
    flex-direction: column;
    gap: 15px;
  }
  
  .logo, .search-container, .user-menu {
    width: 100%;
  }
  
  .user-menu {
    justify-content: center;
    margin-top: 10px;
  }
  
  .search-container {
    order: 3;
  }
  
  .search-bar {
    width: 100%;
  }
  
  .properties-container {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 15px;
  }
  
  /* CONTENEUR PRINCIPAL */
.search-container {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 1rem;
}

  .menu-item {
    display: none;
  }
  
  .filter-scroll {
    gap: 20px;
  }
  
  .properties-container {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* ÉTAT SCROLLÉ – RÉDUCTION MOINS IMPORTANTE */
.search-container-small {
  transform: scale(0.95);
}

.search-bar-small {
  height: 50px;
}

/* Ajustements intérieurs */
.search-bar-small .search-input {
  padding: .5rem .85rem;
  font-size: .95rem;
}

.search-bar-small .search-button {
  width: 44px;
  height: 44px;
  font-size: 1.1rem;
}
.no-results {
  grid-column: 1 / -1;    /* s’étend sur toutes les colonnes */
  justify-self: center;    /* centre horizontalement dans la grille */
  text-align: center;
  font-size: 1.25rem;
  color: #555;
  margin: 2rem 0;
}



/* Animation pour les cartes de propriétés */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/******************************************/
/* BARRE PC QUI SE RÉTRÉCIT AU SCROLL     */
/******************************************/
.header-scrolled {
  padding: 10px 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.search-container-small {
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.search-bar-small {
  height: 45px;
  transition: height 0.3s ease;
}

/******************************************/
/* MASQUER CERTAINS ÉLÉMENTS SUR PC       */
/******************************************/
.menu-toggle,
.mobile-menu,
.mobile-search-bar,
.mobile-search-modal {
  display: none; /* Par défaut (PC) */
}

/******************************************/
/* BOUTON BLEU GRADIENT "Rechercher"      */
/******************************************/
.search-button-blue {
  background: linear-gradient(to right, #1e88e5, #1565c0);
  color: #fff;
  border: none;
  border-radius: 30px;
  padding: 12px 20px;
  font-size: 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.search-button-blue i {
  font-size: 16px;
}

/******************************************/
/*   STYLES SPÉCIFIQUES POUR MOBILE       */
/******************************************/
@media (max-width: 768px) {
  /* Masquer la barre de recherche PC et le menu utilisateur */
  .search-container,
  .user-menu {
    display: none !important;
  }

  /* Bouton menu mobile (☰) */
  .menu-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 999;
  }

  /* Menu mobile déroulant */
  .mobile-menu {
    display: none; /* caché par défaut */
    flex-direction: column;
    position: absolute;
    top: 60px;
    right: 10px;
    width: 200px;
    background: #fff;
    box-shadow: 0 4px 8px var(--shadow-color);
    border-radius: 10px;
    padding: 10px;
    z-index: 9999;
  }
  .mobile-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .mobile-menu ul li {
    padding: 10px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
  }
  .mobile-menu ul li a {
    text-decoration: none;
    color: var(--text-color);
  }

  /* Barre "Commencer ma recherche" (mobile) */
  .mobile-search-bar {
    display: block;
    margin: 10px 20px;
  }
  .mobile-search-button {
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 40px;
    display: flex;
    align-items: center;
    padding: 10px 16px;
    box-shadow: 0 1px 5px var(--shadow-color);
    cursor: pointer;
  }
  .mobile-search-button i {
    margin-right: 8px;
    color: var(--light-text);
  }
  .mobile-search-button span {
    font-size: 16px;
    color: var(--text-color);
  }

  /* MODAL PLEIN ÉCRAN POUR LA RECHERCHE */
  .mobile-search-modal {
    display: none; /* caché par défaut */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff; /* plein écran blanc */
    z-index: 10000;
    overflow-y: auto; /* scroll si contenu trop grand */
  }
  .modal-content {
    position: relative;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    padding: 20px;
  }
  .close-modal {
    background: none;
    border: none;
    font-size: 24px;
    position: absolute;
    top: 20px;
    left: 20px;
    cursor: pointer;
    color: var(--text-color);
  }
  .modal-body {
    margin-top: 60px; /* pour laisser la place au bouton X */
    flex: 1; /* prend l'espace vertical restant */
  }
  .modal-body h2 {
    margin-bottom: 20px;
    font-size: 20px;
  }
  .form-section {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .form-section label {
    font-size: 14px;
    color: var(--text-color);
    font-weight: 600;
  }
  .form-section input,
  .form-section select {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    outline: none;
  }
  .budget-container {
    display: flex;
    gap: 10px;
  }
  .modal-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
  }
  .reset-button {
    background: none;
    border: none;
    color: var(--light-text);
    font-size: 14px;
    cursor: pointer;
  }
  .reset-button:hover {
    text-decoration: underline;
  }

  /* Rendu du slider (range) */
  input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
  }
  input[type="range"]:focus {
    outline: none;
  }
  input[type="range"]::-webkit-slider-runnable-track {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
  }
  input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    margin-top: -6px;
    cursor: pointer;
  }
  input[type="range"]::-moz-range-track {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
  }
  input[type="range"]::-moz-range-thumb {
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
  }

  /* =============  HEADER DISPARAÎT AU SCROLL, BARRE RESTE STICKY ============= */
  /* On va simplement masquer la .header-container et rendre .mobile-search-bar sticky en JS */
  /* (Logique gérée dans script.js) */
}
.logo {
  display: flex;
  align-items: center; /* Assure l'alignement vertical */
  gap: 10px; /* Espace entre le logo et le texte */
}

.logo a {
  display: flex;
  align-items: center; /* Aligner les éléments horizontalement */
  text-decoration: none; /* Supprime le soulignement du lien */
}

.logo img {
  height: 50px; /* Ajuste la taille du logo */
  width: auto;
  display: block; /* Évite les espaces indésirables */
}

.logo-text {
  display: flex;
  flex-direction: column; /* Place "IMMO" au-dessus de "STRASBOURG" */
  justify-content: center; /* Centre verticalement le texte */
  line-height: 1; /* Évite trop d’espace entre les lignes */
}

.immo {
  font-size: 20px;
  font-weight: bold;
  color: #01C4FF; /* Bleu */
  letter-spacing: 2px;
}

.strasbourg {
  font-size: 24px;
  font-weight: bold;
  color: #333; /* Noir */
}

/* Ajustement sur mobile */
@media (max-width: 768px) {
  .logo img {
    height: 40px;
  }
  .immo {
    font-size: 18px;
  }
  .strasbourg {
    font-size: 22px;
  }
}
/* Ajout d'un conteneur pour les transactions */
.transaction-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin: 15px 0;
}

/* Style des boutons transaction */
.transaction-buttons .filter-item, .filter-scroll .filter-item {
  background-color: #f5f5f5;
  border-radius: 10px;
  padding: 10px 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.3s ease, background-color 0.3s ease;
  position: relative;
}

/* Icônes */
.transaction-buttons .filter-item i, .filter-scroll .filter-item i {
  font-size: 20px;
  margin-bottom: 5px;
}

/* Barre bleue sous l'élément actif */
.selection-bar {
  position: absolute;
  bottom: -5px;
  left: 50%;
  width: 50%;
  height: 3px;
  background-color: transparent;
  transform: translateX(-50%);
  transition: background-color 0.3s ease, width 0.3s ease;
}

/* Effet actif */
.transaction-buttons .filter-item.active .selection-bar, 
.filter-scroll .filter-item.active .selection-bar {
  background-color: #007bff;
  width: 80%;
}


.transaction-buttons .filter-item:hover .selection-bar, 
.filter-scroll .filter-item:hover .selection-bar {
  background-color: #007bff;
}
/* Modals */
.modal {
  display: none;
  position: fixed;
  z-index: 10;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background: rgba(0, 0, 0, 0.4);
}
.modal-content {
  background-color: #fff;
  margin: 10% auto;
  padding: 30px;
  width: 90%;
  max-width: 400px;
  border-radius: 15px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  position: relative;
  transition: all 0.3s ease;
}

/* Bouton de fermeture */
.close {
  position: absolute;
  right: 20px;
  top: 15px;
  font-size: 28px;
  font-weight: bold;
  color: #555;
  cursor: pointer;
  transition: color 0.2s ease;
}
.close:hover {
  color: #000;
}

/* Bouton de validation */
.validate-button {
  padding: 10px 20px;
  background: #01C4FF;
  color: #fff;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  margin: 20px auto 0 auto; /* Centrage horizontal */
  transition: background 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.validate-button i {
  font-size: 18px;
}
.validate-button:hover {
  background: #019ad1;
}

/* Options pour le type de bien */
.type-options {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  margin: 20px 0;
  gap: 10px;
}
.type-option {
  text-align: center;
  cursor: pointer;
  padding: 15px;
  border: 2px solid transparent;
  border-radius: 10px;
  transition: border-color 0.3s ease, transform 0.2s ease;
  flex: 1 0 40%;
  max-width: 120px;
}
.type-option:hover {
  transform: scale(1.05);
}
.type-option.selected {
  border-color: #3498db;
}
.type-option i {
  font-size: 24px;
  margin-bottom: 5px;
  display: block;
}

/* Styles pour les sliders */
input[type="range"] {
  width: 100%;
  margin: 15px 0;
  -webkit-appearance: none;
  background: transparent;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 8px;
  background: #ddd;
  border-radius: 5px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: #3498db;
  border-radius: 50%;
  margin-top: -6px;
  transition: background 0.3s ease;
}
input[type="range"]::-webkit-slider-thumb:hover {
  background: #2980b9;
}
.source-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  text-transform: capitalize;
  font-family: "Segoe UI", sans-serif;
  pointer-events: none;
  z-index: 2;
  backdrop-filter: blur(3px);
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  border: none;
  transition: all 0.2s ease;
}

/* Badge "Exclusivité" */
.source-badge.exclusif {
  background-color: #007bff;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Badge "leboncoin" en orange */
.source-badge.leboncoin {
  background-color: #ff6e00;
  color: white;
}

/* Badge "booking" en violet */
.source-badge.booking {
  background-color: #673ab7;
  color: white;
}

/* Badge pour toute autre source */
.source-badge.default {
  background-color: #e0e0e0;
  color: #333;
}
/* ton bouton rond */
.see-all-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: #01C4FF;
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  cursor: pointer;
  transition: transform .2s;
  
  /* nouvelle partie : s'étendre sur toute la grille et se centrer */
  grid-column: 1 / -1;
  justify-self: center;
  margin: 30px 0;  /* espacement vertical */
}
.see-all-circle:hover {
  transform: scale(1.1);
}