/* =============================================
   BIENSAVENDRE — Design B "Blanc épuré prestige"
   Optimisé mobile + large desktop
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --noir: #0a0a0a;
  --gris-fort: #333;
  --gris-med: #888;
  --gris-clair: #e8e8e8;
  --gris-bg: #f7f7f7;
  --blanc: #ffffff;
}

body {
  background: var(--gris-bg);
  color: var(--noir);
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  background: var(--blanc);
  min-height: 100vh;
  border-left: 1px solid var(--gris-clair);
  border-right: 1px solid var(--gris-clair);
}

/* ---- HEADER SITE (index) ---- */
.site-header {
  padding: 20px 32px 18px;
  border-bottom: 1px solid var(--gris-clair);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.site-header-left .site-title { font-size: 22px; font-weight: 300; letter-spacing: -0.03em; }
.site-header-left .sub { font-size: 12px; color: var(--gris-med); margin-top: 3px; letter-spacing: 0.02em; }

/* ---- HOME HERO (SEO) ---- */
.home-hero { padding: 36px 32px 28px; border-bottom: 1px solid var(--gris-clair); }
.home-hero h1 { font-size: 26px; font-weight: 300; letter-spacing: -0.03em; margin-bottom: 6px; }
.home-hero .tagline { font-size: 14px; color: var(--gris-fort); line-height: 1.6; margin-bottom: 22px; max-width: 580px; }
.home-cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.home-cta-row a { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase; text-decoration: none; transition: background 0.15s, opacity 0.15s; }
.home-cta-row a.primary { background: var(--noir); color: var(--blanc); }
.home-cta-row a.primary:hover { background: var(--gris-fort); }
.home-cta-row a.secondary { border: 1px solid var(--noir); color: var(--noir); }
.home-cta-row a.secondary:hover { background: var(--gris-bg); }

/* ---- HOME SECTIONS (À propos / secteurs / estimation) ---- */
.home-section { padding: 28px 32px; border-bottom: 1px solid var(--gris-clair); }
.home-section h2 { font-size: 18px; font-weight: 400; margin-bottom: 14px; letter-spacing: -0.01em; }
.home-section p { font-size: 14px; color: var(--gris-fort); line-height: 1.75; margin-bottom: 12px; }
.home-section p:last-child { margin-bottom: 0; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.service-tags span { font-size: 12px; padding: 6px 14px; background: var(--gris-bg); border: 1px solid var(--gris-clair); color: var(--gris-fort); }
.list-heading { padding: 24px 32px 0; font-size: 18px; font-weight: 400; letter-spacing: -0.01em; }

.estim-box { background: var(--gris-bg); padding: 28px 24px; border: 1px solid var(--gris-clair); text-align: center; }
.estim-box p { max-width: 480px; margin-left: auto; margin-right: auto; }
.estim-box .home-cta-row { justify-content: center; margin-top: 18px; }
.site-logo { height: 52px; width: auto; object-fit: contain; flex-shrink: 0; }

/* ---- CARTE BIEN (index) ---- */
.list { padding: 20px 32px 40px; }
.card { display: block; text-decoration: none; color: inherit; border: 1px solid var(--gris-clair); margin-bottom: 16px; transition: border-color 0.15s, box-shadow 0.15s; background: var(--blanc); }
.card:hover { border-color: #bbb; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.card-img { height: 200px; background: var(--gris-bg); overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-body { padding: 18px 22px; }
.card-top-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.card-ref { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gris-med); }
.card-badge { font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; border: 1px solid var(--noir); padding: 2px 9px; color: var(--noir); }
.card-body h3 { font-size: 22px; font-weight: 300; letter-spacing: -0.02em; margin-bottom: 4px; }
.card-addr { font-size: 13px; color: var(--gris-med); margin-bottom: 12px; }
.card-prix { font-size: 24px; font-weight: 300; letter-spacing: -0.03em; }

/* ---- BARRE DU HAUT (fiche bien) ---- */
.site-top-bar {
  padding: 14px 32px;
  border-bottom: 1px solid var(--gris-clair);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.back-link { font-size: 12px; color: var(--gris-med); text-decoration: none; letter-spacing: 0.02em; }
.back-link:hover { color: var(--noir); }
.topbar-logo { height: 40px; width: auto; object-fit: contain; }

/* ---- HERO ---- */
.hero { padding: 28px 32px 22px; border-bottom: 1px solid var(--gris-clair); }
.hero-meta { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.ref { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gris-med); }
.badge { font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; border: 1px solid var(--noir); padding: 3px 10px; }
.eyebrow { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gris-med); margin-bottom: 8px; }
h1 { font-size: 34px; font-weight: 300; letter-spacing: -0.03em; line-height: 1.05; margin-bottom: 6px; }
.adresse { font-size: 13px; color: var(--gris-med); margin-bottom: 16px; }
.accroche { font-size: 15px; font-weight: 300; font-style: italic; line-height: 1.5; color: #333; margin-bottom: 16px; }
.hero-photo { width: 100%; height: 260px; object-fit: cover; border-radius: 4px; display: block; margin-bottom: 18px; }
.prix-row { display: flex; align-items: baseline; gap: 12px; padding-top: 16px; border-top: 1px solid var(--gris-clair); }
.prix { font-size: 32px; font-weight: 300; letter-spacing: -0.04em; }
.prix-m2 { font-size: 13px; color: var(--gris-med); }

/* ---- STATS ---- */
.stats { display: flex; border-bottom: 1px solid var(--gris-clair); }
.stat { flex: 1; padding: 18px 8px; text-align: center; border-right: 1px solid var(--gris-clair); }
.stat:last-child { border-right: none; }
.stat-val { font-size: 19px; font-weight: 300; letter-spacing: -0.02em; }
.stat-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--gris-med); margin-top: 3px; }

/* ---- TABS — boutons pilule ---- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 32px;
  border-bottom: 1px solid var(--gris-clair);
  background: var(--blanc);
  position: sticky;
  top: 0;
  z-index: 10;
}
.tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gris-fort);
  cursor: pointer;
  text-align: center;
  background: var(--gris-bg);
  border: 1px solid var(--gris-clair);
  border-radius: 999px;
  transition: background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
  white-space: nowrap;
  line-height: 1.2;
}
.tab-ic { display: flex; flex-shrink: 0; }
.tab:hover { background: #efefef; border-color: #d5d5d5; }
.tab.active { color: var(--blanc); background: var(--noir); border-color: var(--noir); box-shadow: 0 2px 6px rgba(0,0,0,0.18); }

/* ---- PANELS — toujours visibles, on défile au lieu de cacher ---- */
.panel { padding: 28px 32px; scroll-margin-top: 78px; }
.panel + .panel { border-top: 1px solid var(--gris-clair); }

.section-num { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gris-med); margin-bottom: 6px; }
h2 { font-size: 20px; font-weight: 300; letter-spacing: -0.02em; margin-bottom: 16px; }
p.desc { font-size: 14px; line-height: 1.7; color: var(--gris-fort); margin-bottom: 14px; }

/* ---- FEATURES GRID ---- */
.feat-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--gris-clair); margin: 20px 0 0; }
.feat { padding: 12px 16px; border-right: 1px solid var(--gris-clair); border-bottom: 1px solid var(--gris-clair); }
.feat:nth-child(even) { border-right: none; }
.feat-k { font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--gris-med); margin-bottom: 3px; }
.feat-v { font-size: 13px; font-weight: 500; }

/* ---- BUTTONS ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 14px 20px; background: var(--noir); color: var(--blanc); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; border: none; cursor: pointer; margin-top: 16px; }
.btn:hover { background: var(--gris-fort); }
.btn.outline { background: var(--blanc); color: var(--noir); border: 1px solid var(--noir); }
.btn.outline:hover { background: var(--gris-bg); }

/* ---- GALERIE ---- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--gris-clair); margin: 0 -32px; }
.gallery img { width: 100%; height: 160px; object-fit: cover; display: block; cursor: pointer; }
.gallery a.full { grid-column: 1 / -1; }
.gallery a.full img { height: 300px; }

/* ---- LIGHTBOX ---- */
.lightbox { display: none; position: fixed; inset: 0; background: rgba(10,10,10,0.96); z-index: 100; align-items: center; justify-content: center; flex-direction: column; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 90%; max-height: 80vh; object-fit: contain; }
.lightbox-nav { display: flex; justify-content: space-between; width: 100%; padding: 0 16px; position: absolute; top: 50%; transform: translateY(-50%); }
.lightbox-nav button { background: rgba(255,255,255,0.1); color: white; border: none; width: 44px; height: 44px; font-size: 22px; cursor: pointer; }
.lightbox-close { position: absolute; top: 16px; right: 20px; background: none; border: none; color: white; font-size: 30px; cursor: pointer; opacity: 0.7; }
.lightbox-count { color: rgba(255,255,255,0.5); font-size: 11px; letter-spacing: 0.08em; margin-top: 12px; }

/* ---- PLANS ---- */
.plan-card { display: flex; align-items: center; justify-content: space-between; border: 1px solid var(--gris-clair); padding: 15px 18px; margin-bottom: 10px; text-decoration: none; color: var(--noir); transition: background 0.12s; }
.plan-card:hover { background: var(--gris-bg); }
.plan-card-title { font-size: 14px; font-weight: 500; }
.plan-card-sub { font-size: 11px; color: var(--gris-med); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.05em; }
.plan-card-icon { font-size: 20px; opacity: 0.4; }
.niveau-group { font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--gris-med); padding: 18px 0 8px; border-bottom: 1px solid var(--gris-clair); margin-bottom: 10px; }
.niveau-group:first-child { padding-top: 0; }

/* ---- SURFACES ---- */
.niveau-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-bottom: 4px; }
.niveau-table th { text-align: left; font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--gris-med); padding: 0 6px 8px 0; font-weight: 400; border-bottom: 1px solid var(--gris-clair); }
.niveau-table td { padding: 9px 6px 9px 0; border-bottom: 1px solid var(--gris-clair); color: var(--gris-fort); }
.niveau-table td.m2 { font-weight: 500; color: var(--noir); white-space: nowrap; }
.niveau-table td.note { font-size: 11px; color: var(--gris-med); }

/* ---- VISITE VIRTUELLE ---- */
.vv-wrap { position: relative; width: calc(100% + 64px); margin: 0 -32px; padding-bottom: 58%; background: #111; }
.vv-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }

/* ---- VIDÉO ---- */
.video-wrap { position: relative; width: calc(100% + 64px); margin: 0 -32px; padding-bottom: 56.25%; background: #000; }
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }
.video-wrap.instagram { padding-bottom: 120%; }
.video-placeholder { width: calc(100% + 64px); margin: 0 -32px; padding: 48px 32px; background: var(--gris-bg); border-top: 1px solid var(--gris-clair); border-bottom: 1px solid var(--gris-clair); text-align: center; }
.video-placeholder p { font-size: 13px; color: var(--gris-med); line-height: 1.6; }

/* ---- DEVIS ---- */
.devis-card { display: flex; align-items: center; justify-content: space-between; border: 1px solid var(--gris-clair); padding: 16px 18px; margin-bottom: 10px; text-decoration: none; color: var(--noir); transition: background 0.12s; }
.devis-card:hover { background: var(--gris-bg); }
.devis-card-title { font-size: 14px; font-weight: 500; }
.devis-card-meta { font-size: 11px; color: var(--gris-med); margin-top: 3px; }
.devis-card-montant { font-size: 16px; font-weight: 300; letter-spacing: -0.02em; }
.devis-empty { text-align: center; padding: 40px 0; color: var(--gris-med); font-size: 13px; border: 1px dashed var(--gris-clair); }

/* ---- DIAGNOSTICS ---- */
.diag-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.diag-table td { padding: 12px 0; border-bottom: 1px solid var(--gris-clair); color: var(--gris-fort); }
.diag-table td:last-child { text-align: right; font-weight: 500; color: var(--noir); }
.diag-highlight { background: var(--gris-bg); padding: 16px 20px; display: flex; justify-content: space-between; align-items: center; margin-top: 16px; border: 1px solid var(--gris-clair); }
.diag-highlight .label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--gris-med); }
.diag-highlight .val { font-size: 28px; font-weight: 300; letter-spacing: -0.03em; }

/* ---- COMPTEUR QR ---- */
.qr-block { padding: 28px 32px; border-top: 1px solid var(--gris-clair); text-align: center; }
.qr-block .qr-title { font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--gris-med); margin-bottom: 6px; }
.qr-block .qr-sub { font-size: 18px; font-weight: 300; letter-spacing: -0.02em; margin-bottom: 14px; }
.qr-block img { width: 130px; height: 130px; background: white; padding: 8px; border: 1px solid var(--gris-clair); }
.qr-block .qr-hint { font-size: 11px; color: var(--gris-med); margin-top: 10px; line-height: 1.5; }
.qr-counter { display: inline-flex; align-items: center; gap: 10px; background: var(--gris-bg); border: 1px solid var(--gris-clair); padding: 10px 20px; margin: 14px auto 0; }
.qr-counter-num { font-size: 28px; font-weight: 300; letter-spacing: -0.03em; }
.qr-counter-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gris-med); text-align: left; line-height: 1.4; }

/* ---- AGENT ---- */
.agent-card { display: flex; align-items: center; gap: 16px; padding: 20px 32px; border-top: 1px solid var(--gris-clair); background: var(--gris-bg); }
.agent-photo { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 2px solid var(--gris-clair); }
.agent-info { flex: 1; }
.agent-name { font-size: 15px; font-weight: 500; }
.agent-role { font-size: 11px; color: var(--gris-med); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 2px; }
.agent-logo { height: 36px; width: auto; object-fit: contain; flex-shrink: 0; }

/* ---- CONTACT BAR ---- */
.contact-bar { position: sticky; bottom: 0; display: flex; gap: 1px; background: var(--gris-clair); border-top: 1px solid var(--gris-clair); z-index: 9; }
.contact-bar a { flex: 1; background: var(--noir); color: var(--blanc); text-align: center; padding: 18px 8px; font-size: 12px; font-weight: 500; text-decoration: none; letter-spacing: 0.08em; text-transform: uppercase; }
.contact-bar a.alt { background: var(--blanc); color: var(--noir); }

/* =============================================
   RESPONSIVE MOBILE (≤ 600px)
   ============================================= */
@media (max-width: 600px) {
  /* Conteneur plein écran sur mobile */
  .wrap { border: none; }

  /* Header */
  .site-header { padding: 16px 18px; }
  .site-logo { height: 40px; }

  /* Top bar fiche */
  .site-top-bar { padding: 12px 18px; }
  .topbar-logo { height: 32px; }

  /* Home hero & sections compacts */
  .home-hero { padding: 24px 18px 20px; }
  .home-hero h1 { font-size: 21px; }
  .home-section { padding: 20px 18px; }
  .list-heading { padding: 20px 18px 0; }
  .home-cta-row a { padding: 11px 16px; font-size: 11px; }

  /* Hero compact */
  .hero { padding: 20px 18px 18px; }
  h1 { font-size: 26px; }
  .prix { font-size: 26px; }
  .adresse { margin-bottom: 12px; }

  /* Stats plus compactes */
  .stat { padding: 12px 4px; }
  .stat-val { font-size: 15px; }
  .stat-label { font-size: 9px; }

  /* TABS : pilules, retour à la ligne automatique */
  .tabs { padding: 10px 14px; gap: 6px; }
  .tab { padding: 9px 14px; font-size: 10px; letter-spacing: 0.04em; }

  /* Panels */
  .panel { padding: 20px 18px; }
  h2 { font-size: 18px; }

  /* Listes */
  .list { padding: 16px 18px 32px; }

  /* Galerie 2 colonnes sur mobile */
  .gallery { margin: 0 -18px; grid-template-columns: 1fr 1fr; }
  .gallery img { height: 110px; }
  .gallery a.full img { height: 200px; }

  /* Vidéo + visite plein largeur */
  .video-wrap, .video-placeholder { width: calc(100% + 36px); margin: 0 -18px; }
  .vv-wrap { width: calc(100% + 36px); margin: 0 -18px; padding-bottom: 66%; }

  /* Features 1 colonne */
  .feat-grid { grid-template-columns: 1fr; }
  .feat { border-right: none; }

  /* Agent */
  .agent-card { padding: 16px 18px; }
  .agent-logo { height: 28px; }

  /* QR */
  .qr-block { padding: 22px 18px; }

  /* Contact bar plus haute = plus facile à taper */
  .contact-bar a { padding: 20px 8px; font-size: 13px; }
}

/* ---- RENTABILITÉ LOCATIVE ---- */
.rent-kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--gris-clair);
  border: 1px solid var(--gris-clair);
  margin-bottom: 20px;
}
.rent-kpi {
  background: var(--blanc);
  padding: 16px;
  text-align: center;
}
.rent-kpi-val {
  font-size: 26px;
  font-weight: 300;
  letter-spacing: -0.03em;
}
.rent-kpi-lbl {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gris-med);
  margin-top: 4px;
}