:root{
  --accent: #0b1220; /*gris: #666666; bleu electrique: 0a6cff */
  --dark: #0b1220;
  --muted: #6b7280;
  --bg: #ffffff;
  --max-width: 1100px;
  --radius: 8px;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

/* Reset / base */
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; color: var(--dark); background: var(--bg); -webkit-font-smoothing: antialiased; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 28px; }

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  position: sticky;
  top: 0;
  background: #f5f6f7;
  webkit-backdrop-filter: blur(4px);
  color: var(--dark); /*#111;*/
  border-bottom: 1px solid rgba(0,0,0,0.06);
  z-index: 50;
}

.site-footer {
  color: var(--dark);
  background: transparent;
  border-top: 0;
}

/* Brand / logo */
.site-brand { display: flex; align-items: center; margin-right: 16px; text-decoration: none; }
.site-logo { width: 240px; height: auto; display: block; object-fit: contain; }
.site-logo.rounded { border-radius: 6px; overflow: hidden; }

/* Responsive logo */
@media (max-width: 980px) { .site-logo { width: 120px; } }
@media (max-width: 640px) { .site-logo { width: 100px; } .site-header { padding: 12px 16px; } }

.brand { display: flex; flex-direction: column; }
.brand .name { margin: 0; font-size: 18px; letter-spacing: 0.6px; }
.tagline { font-size: 12px; color: var(--muted); }

/* Navigation / actions */
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 18px; }
.main-nav a { text-decoration: none; color: var(--dark); font-weight: 600; }
.main-nav a:focus-visible { outline: 3px solid rgba(10,108,255,0.18); outline-offset: 3px; border-radius: 6px; }

.actions { display: flex; align-items: center; gap: 12px; }
.book-btn { background: var(--accent); color: #fff; border: none; padding: 10px 14px; border-radius: 6px; cursor: pointer; font-weight: 700; }
.book-btn:hover { filter: brightness(0.98); transform: translateY(-1px); }

.lang-toggle .lang { border: 1px solid #ddd; background: #fff; padding: 6px 8px; border-radius: 6px; cursor: pointer; }
.lang-toggle .lang.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.lang-toggle .lang:focus-visible { outline: 3px solid rgba(10,108,255,0.18); outline-offset: 3px; border-radius: 6px; }
.lang-toggle .lang:hover { filter: brightness(0.98); transform: translateY(-1px); }

/* Hero / carousel */
.hero-carousel {
  height: min(78vh, 720px);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 0;
}

.hero-carousel .slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 600ms ease, transform 800ms ease;
  /* transition: opacity 1.2s ease; */
  will-change: opacity;
  z-index: 0;
  filter: brightness(60%) contrast(110%);
}

.hero-carousel .slide.active { opacity: 1; z-index: 2; }
.hero-carousel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.55));
  z-index: 1;
  pointer-events: none;
}

.hero-content { position: relative; z-index: 3; color: #fff; text-align: center; padding: 24px; max-width: 900px; }
.hero-content h2 { font-size: 34px; margin: 0 0 10px; text-shadow: 0 6px 18px rgba(0,0,0,0.45); }
.hero-content p { margin: 0 0 18px; font-size: 16px; text-shadow: 0 4px 14px rgba(0,0,0,0.35); }
.hero-cta .cta { display: inline-block; padding: 10px 16px; border-radius: 8px; text-decoration: none; background: var(--accent); color: #fff; margin: 0 8px; font-weight: 700; }
.hero-cta .cta.outline { background: transparent; border: 2px solid rgba(255,255,255,0.9); color: #fff; }

/* Intro / titles */
.intro { padding: 36px 0; }
.page-title { margin-top: 28px; }

/* Listings */
.listings { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 20px; margin: 28px 0; }
.listing { background: #fff; border: 1px solid #eee; border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; }
.photos { display: flex; gap: 2px; }
.photos img { width: 100%; height: 340px; object-fit: cover; display: block; }
.listing-info { padding: 10px; }
p.listing-address { margin: 0; }
.listing-title { margin: 0 0 0px; }
.listing-address { padding: 0px; }
.listing-desc { padding: 0px; color: var(--muted); margin: 0 0 12px; }
.cta { background: var(--accent); color: #fff; padding: 8px 12px; border-radius: 8px; text-decoration: none; font-weight: 700; }
.cta.outline { background: transparent; border: 1px solid #ccc; color: var(--dark); }

.plain-link { font: inherit; color: inherit; text-decoration: none; cursor: pointer; }
.plain-link:focus { outline: 2px solid Highlight; outline-offset: 2px; }
.plain-link:hover { color: #666666; text-decoration: none; }

/* Why / testimonials / contact */
.why-grid { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; }
.why-photo img { width: 100%; height: auto; border-radius: 8px; display: block; }
.why-text ul { margin: 12px 0 0; padding-left: 18px; color: var(--muted); }

.testimonials blockquote { background: #f7f9fc; padding: 18px; border-left: 4px solid var(--accent); border-radius: 8px; margin: 18px 0; }
.testimonial p { margin: 0 0 8px; }

/* Contact form */
.contact-form { display: flex; flex-direction: column; gap: 10px; max-width: 700px; }
.contact-form input, .contact-form textarea { padding: 12px; border-radius: 8px; border: 1px solid #e3e7ee; }
.form-actions { display: flex; gap: 12px; margin-top: 6px; }

/* Detail / gallery / summary / Map */
.detail-page { max-width: 1200px; margin: 28px auto; padding: 0 16px; display: block; }
.detail-hero { display: grid; grid-template-columns: 1.4fr 320px; gap: 20px; align-items: start; }
.detail-content { display: grid; grid-template-columns: 1fr; gap: 20px; margin-top: 0px; }

.gallery, .detail-content .description { width: 100%; box-sizing: border-box; }
.gallery { background: #fff; border: 1px solid #e8e8e8; border-radius: 8px; overflow: hidden; }
.gallery .main-image { width: 100%; overflow: hidden; display: flex; align-items: center; justify-content: center; background: #f6f6f6; border-radius: 6px; }
.gallery .main-image img { width: 100%; height: auto; max-height: 60vh; object-fit: cover; display: block; }
.gallery .thumbs { margin-top: 10px; display: flex; gap: 8px; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.gallery .thumbs img { width: 84px; height: 56px; object-fit: cover; border-radius: 4px; flex: 0 0 auto; cursor: pointer; border: 1px solid rgba(0,0,0,0.06); }

/* Summary / right column */
.summary, .detail-content .carte-map { width: 100%; height: 100%; max-width: 320px; box-sizing: border-box; }
#listing-map { width: 100%; height: 240px; margin: 12px 0; }
img[loading="lazy"], .gallery img { max-width: 100%; height: auto; display: block; }

.main-image img { width: 100%; height: 420px; object-fit: cover; display: block; }
.thumbs { display: flex; gap: 8px; padding: 10px; justify-content: flex-start; }
.thumbs img { width: 80px; height: 60px; object-fit: cover; border-radius: 6px; cursor: pointer; border: 1px solid #ddd; }

.summary { background: #fff; height: 100%; border: 1px solid #e8e8e8; padding: 10px; border-radius: 8px; }
.address { font-size: 20px; margin: 0 0 8px; }
.price { font-size: 18px; color: var(--accent); margin: 0 0 12px; }
.key-facts { list-style: none; padding: 0; margin: 0 0 12px; }
.key-facts li { margin: 6px 0; font-size: 14px; }
.actions { display: flex; gap: 8px; margin-bottom: 12px; }
.btn { display: inline-block; padding: 10px 14px; border-radius: 8px; text-decoration: none; background: var(--accent); color: #fff; border: 1px solid rgba(0,0,0,0.06); }
.btn.secondary { background: #fff; color: var(--accent); border: 1px solid #dbe7ff; }
.agent-card { display: flex; gap: 12px; align-items: center; margin-top: 12px; }
.agent-photo { width: 64px; height: 64px; border-radius: 8px; object-fit: cover; }
.description { background: #fff; height: 100%; border: 1px solid #eee; padding: 10px; border-radius: 8px; }
.carte-map { font-size: 20px; font-weight: bold; background: #fff; height: 100%; border: 1px solid #eee; padding: 10px; border-radius: 8px; }
.map-placeholder { height: 220px; background: #fafafa; border: 1px dashed #e0e0e0; border-radius: 6px; display: flex; align-items: center; justify-content: center; color: #888; }

/* Additional-info / collapsible */
.additional-info {
  background: linear-gradient(180deg, rgba(255,255,255,0.98), #fff);
  border: 1px solid rgba(20,20,20,0.06);
  box-shadow: 0 6px 18px rgba(9,30,66,0.04);
  border-radius: 12px;
  padding: 16px;
  margin: 14px 0;
  transition: box-shadow .18s ease, transform .12s ease;
  position: relative;
  z-index: 5;
}

.additional-info > h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px 0;
  font-size: 1.02rem;
  color: var(--dark);
}

.additional-info h3 .ai-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  background: transparent;
  border: 0;
  padding: 8px 0;
  cursor: pointer;
  color: inherit;
  font-weight: 700;
}
.additional-info h3 .ai-toggle:focus { outline: 3px solid rgba(10,108,255,0.12); border-radius: 6px; }

.additional-info .ai-icon { width: 20px; height: 20px; display: inline-block; flex: 0 0 20px; color: var(--accent); }

.detail-section { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; padding: 8px 0; border-top: 1px dashed rgba(10,10,10,0.03); align-items: start; }
.detail-section:first-of-type { border-top: 0; padding-top: 0; }

.detail-row { display: flex; gap: 12px; align-items: flex-start; width: 100%; }
.detail-label { display: flex; align-items: center; gap: 8px; flex: 0 0 170px; font-weight: 700; color: var(--muted); font-size: 0.95rem; }
.detail-value { flex: 1 1 auto; color: var(--dark); font-size: 0.95rem; }
.detail-label .detail-icon { display: inline-block; width: 18px; height: 18px; margin-right: 8px; vertical-align: middle; flex: 0 0 18px; color: var(--accent); }
.detail-label .detail-icon svg { width: 100%; height: 100%; display: block; fill: currentColor; }

/* Collapsible behavior */
.ai-toggle .chev { transition: transform .18s ease; color: var(--muted); }
.additional-info.ai-collapsed .chev { transform: rotate(-90deg); }
.additional-info.ai-collapsed .ai-body { display: none; pointer-events: none; opacity: 0; transform: translateY(-6px); z-index: 1; }

/* Small visual helpers */
.additional-info .section-title { font-weight: 700; color: var(--muted); margin-bottom: 6px; font-size: 0.95rem; }
.additional-info .small { color: var(--muted); font-size: 0.9rem; margin: 4px 0; }

/* Focus styles for interactive elements */
a:focus-visible, button:focus-visible, .cta:focus-visible, .btn:focus-visible, .thumbs img:focus-visible {
  outline: 3px solid rgba(10,108,255,0.18);
  outline-offset: 3px;
  border-radius: 6px;
}

.contact-strip {
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(250,250,250,0.98));
  padding: 14px 0;
}
.contact-strip-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.contact-center { display: flex; align-items: center; gap: 10px; justify-content: center; flex: 1; }
.contact-right { display: flex; align-items: center; gap: 10px; min-width: 130px; justify-content: flex-end; }
.contact-link { color: var(--dark); text-decoration: none; font-weight: 700; }
.contact-link:hover { text-decoration: underline; }
.sep { color: var(--muted); margin: 0 6px; }
.social { color: var(--dark); display: inline-flex; align-items: center; justify-content: center; padding: 6px; border-radius: 6px; text-decoration: none; }
.social:hover { background: #f1f5ff; color: var(--accent); }

/* SECTION ajout dans CONTACT.HTML début */
/* Contact page two-column layout */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr; /* gauche plus étroite, droite plus large */
  gap: 32px;
  align-items: start;
}

.contact-info {
  background: #f9f9f9;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid #eee;
}

.profile-photo {
  width: 100%;
  max-width: 240px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.social-links {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.social-links a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.social-links a:hover {
  text-decoration: underline;
}

/* Responsive: une seule colonne sur mobile */
@media (max-width: 820px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}
/* SECTION ajout dans CONTACT.HTML terminé */

@media (max-width: 820px){
  .contact-strip-inner { flex-direction: column; align-items: center; text-align: center; }
  .contact-center { order: 1; }
  .contact-right { order: 2; justify-content: center; }
}

/* Responsive adjustments */
@media (max-width: 820px){
  .site-header { flex-wrap: wrap; gap: 12px; }
  .main-nav ul { display: none; }
  .hero-content h2 { font-size: 24px; }
  .why-grid { grid-template-columns: 1fr; }
  .photos img { height: 160px; }
  .detail-hero, .detail-content { grid-template-columns: 1fr; gap: 16px; }
  .detail-label { flex-basis: 140px; font-size: 0.95rem; }
}

/* Minor polish */
.text-muted { color: var(--muted); }
.small { font-size: 13px; color: var(--muted); }

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce){
  .hero-carousel .slide { transition: none !important; }
  * { animation-duration: 0s !important; animation-delay: 0s !important; }
}

/* Visual stacking for content vs gallery/collapsibles */
.description, .additional-info, .detail-content .description, .detail-content .carte-map {
  position: relative;
  z-index: 3;
}
.gallery, .gallery .main-image, .thumbs {
  position: relative;
  z-index: 1;
}
.additional-info { z-index: 5; position: relative; }
.additional-info .ai-body { position: relative; z-index: 2; pointer-events: auto; }

/* Accessibility helpers */
.ai-toggle { font-size: 1rem; }
.ai-toggle:focus-visible { outline: 3px solid rgba(10,108,255,0.12); outline-offset: 2px; border-radius: 6px; }

.advanced-marker { display: inline-block; cursor: pointer; }
.advanced-marker div { pointer-events: none; }

/* Ensure gallery images don't overlap text */
.gallery img, .thumbs img { display: block; }

/* End of styles */