/* ============================================================
   FISYOM Immobilier — Styles section vente (DA distincte)
   Thème : blanc / beige premium
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --fond:        #FFFFFF;
  --fond-2:      #FAFAFA;
  --fond-3:      #F4F4F4;
  --fond-4:      #EEEEEE;
  --texte:       #2C2C2C;
  --texte-2:     #606060;
  --texte-3:     #9A9A9A;
  --or:          #B8952A;
  --or-light:    #CBA94A;
  --or-dark:     #9A7C22;
  --bordure:     #E4E4E4;
  --noir:        #2C2C2C;
  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'Inter', -apple-system, sans-serif;
  --nav-h:       80px;
  --ease:        all 0.35s ease;
  --shadow-sm:   0 2px 16px rgba(0,0,0,0.07);
  --shadow-md:   0 8px 40px rgba(0,0,0,0.13);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--texte); background: var(--fond); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--ease); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* TYPO */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 400; line-height: 1.15; color: var(--texte); }
h1 { font-size: clamp(2.6rem, 5.5vw, 5rem); font-weight: 300; }
h2 { font-size: clamp(2rem, 3.5vw, 3.4rem); }
h3 { font-size: clamp(1.4rem, 2vw, 1.9rem); }
p  { color: var(--texte-2); line-height: 1.85; }

/* LAYOUT */
.container { max-width: 1300px; margin: 0 auto; padding: 0 48px; }
.section    { padding: 100px 0; }

/* ELEMENTS */
.sep        { width: 48px; height: 1px; background: var(--or); margin: 20px 0; }
.sep-center { margin: 20px auto; }
.tag        { display: block; font-size: 0.65rem; font-weight: 500; letter-spacing: 0.24em; text-transform: uppercase; color: var(--or); margin-bottom: 14px; }

/* ── NAV ── */
.nav-immo-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--bordure);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}
.nav-inner-immo { display: flex; align-items: center; justify-content: space-between; height: 100%; max-width: 1300px; margin: 0 auto; padding: 0 48px; }
.nav-brand-immo { display: flex; flex-direction: column; }
.nav-brand-name { font-family: var(--font-serif); font-size: 1.15rem; color: var(--texte); letter-spacing: 0.06em; }
.nav-brand-sub  { font-size: 0.58rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--or); }
.nav-links-immo { display: flex; align-items: center; gap: 40px; }
.nav-link-immo  { font-size: 0.72rem; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase; color: var(--texte-3); }
.nav-link-immo:hover { color: var(--texte); }
.nav-back-btn   { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--or-dark); border: 1px solid rgba(168,137,47,0.35); padding: 9px 20px; }
.nav-back-btn:hover { border-color: var(--or); background: rgba(201,168,76,0.06); }
.nav-contact-btn { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; background: var(--texte); color: #fff; padding: 10px 22px; }
.nav-contact-btn:hover { background: var(--or); color: var(--texte); }

/* ── HERO ── */
.hero-immo {
  min-height: 90vh; display: flex; align-items: flex-end;
  padding-top: var(--nav-h); padding-bottom: 80px;
  position: relative; overflow: hidden;
  background: var(--fond);
}
/* Photo de fond floutée */
.hero-immo-bg {
  position: absolute; inset: -20px;
  background-image: url('../images/hero-immo.jpg');
  background-size: cover;
  background-position: center right;
  filter: blur(5px);
}
/* Pas utilisé mais conservé pour compatibilité */
.hero-immo-deco { display: none; }
/* Overlay : semi-transparent partout pour voir la photo sur toute la largeur */
.hero-immo-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(to right,
      rgba(255,255,255,0.88) 0%,
      rgba(255,255,255,0.60) 40%,
      rgba(255,255,255,0.25) 70%,
      rgba(255,255,255,0.10) 100%),
    linear-gradient(to top,
      rgba(255,255,255,0.5) 0%,
      transparent 25%);
}
.hero-immo-content { position: relative; z-index: 1; max-width: 700px; }
.hero-immo h1 { color: var(--texte); margin-bottom: 22px; text-shadow: 0 1px 12px rgba(255,255,255,0.9); }
.hero-immo h1 em { font-style: italic; color: var(--or-dark); text-shadow: 0 1px 12px rgba(255,255,255,0.9); }
.hero-immo p  { font-size: 1rem; margin-bottom: 40px; max-width: 520px; color: var(--texte); font-weight: 500; text-shadow: 0 1px 8px rgba(255,255,255,0.95); }
.hero-immo-stats { display: flex; gap: 64px; margin-top: 64px; padding-top: 40px; border-top: 2px solid var(--or); }
.stat-nb    { font-family: var(--font-serif); font-size: 2.8rem; font-weight: 300; color: var(--texte); line-height: 1; }
.stat-label { font-size: 0.65rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--texte-3); margin-top: 8px; }

/* ── BOUTONS ── */
.btn { display: inline-block; font-size: 0.72rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; padding: 14px 36px; border: 1px solid transparent; transition: var(--ease); text-align: center; }
.btn-or-immo       { background: var(--texte); color: #fff; border-color: var(--texte); }
.btn-or-immo:hover { background: var(--or); border-color: var(--or); color: #fff; }
.btn-outline-immo  { background: transparent; color: var(--texte); border-color: var(--texte); }
.btn-outline-immo:hover { border-color: var(--or); color: var(--or-dark); background: rgba(184,149,42,0.04); }

/* ── BIENS GRILLE ── */
.biens-section { background: var(--fond-2); }
.filtres { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 48px; }
.filtre-btn { padding: 9px 22px; border: 1px solid var(--bordure); background: transparent; color: var(--texte-3); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer; transition: var(--ease); }
.filtre-btn:hover, .filtre-btn.active { border-color: var(--or); color: var(--or-dark); background: rgba(201,168,76,0.05); }

/* Cards : photo en haut, infos en bas sur fond blanc */
.biens-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.bien-card  {
  position: relative; overflow: hidden;
  background: var(--fond-2);
  border: 1px solid var(--bordure);
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.bien-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

.bien-card img {
  width: 100%; height: 240px; object-fit: cover;
  opacity: 1; flex-shrink: 0;
  transition: transform 0.5s ease;
}
.bien-card:hover img { transform: scale(1.04); }

.bien-img-placeholder {
  width: 100%; height: 240px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--fond-3), var(--fond-4));
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; opacity: 0.5;
}

/* Overlay devient une boîte info statique en bas de la carte */
.bien-overlay {
  position: static;
  background: var(--fond);
  padding: 20px 24px 24px;
  flex: 1;
  display: flex; flex-direction: column; gap: 6px;
  border-top: 3px solid var(--or);
}
.bien-type  { font-size: 0.6rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--or); }
.bien-titre { font-family: var(--font-serif); font-size: 1.15rem; color: var(--texte); line-height: 1.3; }
.bien-ville { font-size: 0.76rem; color: var(--texte-3); }
.bien-prix  { font-family: var(--font-serif); font-size: 1.5rem; color: var(--texte); margin-top: 4px; }
.bien-infos { display: flex; gap: 16px; margin-top: 4px; flex-wrap: wrap; }
.bien-info  { font-size: 0.72rem; color: var(--texte-3); background: var(--fond-3); padding: 3px 10px; }

.bien-statut { position: absolute; top: 16px; right: 16px; font-size: 0.62rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; padding: 5px 12px; }
.statut-disponible     { background: rgba(255,255,255,0.92); color: #1A8A4A; border: 1px solid rgba(26,138,74,0.35); }
.statut-sous_compromis { background: rgba(255,255,255,0.92); color: var(--or-dark); border: 1px solid rgba(201,168,76,0.5); }
.statut-vendu          { background: rgba(255,255,255,0.92); color: #B04040; border: 1px solid rgba(176,64,64,0.35); }
.bien-link  { position: absolute; inset: 0; z-index: 2; }

/* ── BIEN DETAIL ── */
.bien-detail-hero { padding-top: var(--nav-h); min-height: 60vh; position: relative; background: var(--fond); }
.bien-gallery { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: repeat(2,220px); gap: 3px; height: 440px; }
.bien-gallery img { width: 100%; height: 100%; object-fit: cover; }
.bien-gallery img:first-child { grid-row: 1 / 3; }
.bien-detail-content { display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; padding: 60px 0; align-items: start; }
.bien-detail-info h1 { color: var(--texte); margin-bottom: 10px; font-size: 2.4rem; }
.bien-detail-info .bien-prix { font-size: 2rem; color: var(--texte); }
.bien-detail-info .sep { margin: 16px 0; }
.bien-detail-info p { line-height: 1.9; color: var(--texte-2); margin-bottom: 30px; }
.bien-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 32px 0; }
.bien-spec  { background: var(--fond-3); padding: 16px 20px; border: 1px solid var(--bordure); }
.bien-spec-label { font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--texte-3); margin-bottom: 6px; }
.bien-spec-val   { font-family: var(--font-serif); font-size: 1.3rem; color: var(--texte); }
.bien-ref { font-size: 0.72rem; color: var(--texte-3); margin-top: 16px; }

/* ── FORMULAIRE CONTACT IMMO ── */
.contact-immo-box { background: var(--fond-3); padding: 40px; border: 1px solid var(--bordure); }
.contact-immo-box h3 { margin-bottom: 8px; color: var(--texte); }
.contact-immo-box .sep { margin-bottom: 32px; }
.form-group-immo { margin-bottom: 20px; }
.form-label-immo { display: block; font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--texte-3); margin-bottom: 8px; }
.form-input-immo, .form-textarea-immo {
  width: 100%; padding: 12px 16px;
  background: var(--fond-2); border: 1px solid var(--bordure);
  color: var(--texte); font-size: 0.92rem; outline: none; transition: var(--ease);
}
.form-input-immo:focus, .form-textarea-immo:focus { border-color: var(--or); }
.form-textarea-immo { resize: vertical; min-height: 110px; }

/* ── SECTION AVANTAGE ── */
.section-avantage { background: var(--fond-4); }

/* ── FOOTER IMMO ── */
.footer-immo { background: var(--texte); border-top: 3px solid var(--or); padding: 40px 0; }
.footer-immo-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-immo p { font-size: 0.75rem; color: rgba(255,255,255,0.45); }
.footer-immo a { color: var(--or-light); font-size: 0.78rem; letter-spacing: 0.06em; }
.footer-immo a:hover { color: #fff; }

/* ── ALERTS ── */
.alert-immo { padding: 14px 20px; border-left: 3px solid; margin-bottom: 20px; font-size: 0.88rem; }
.alert-immo.success { background: rgba(26,138,74,0.08); border-color: #1A8A4A; color: #1A8A4A; }
.alert-immo.error   { background: rgba(176,64,64,0.08); border-color: #B04040; color: #B04040; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .biens-grid { grid-template-columns: repeat(2,1fr); }
  .bien-detail-content { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section    { padding: 60px 0; }
  .nav-inner-immo { padding: 0 20px; }
  .biens-grid { grid-template-columns: 1fr; }
  .hero-immo-stats { gap: 32px; flex-wrap: wrap; }
  .bien-gallery { grid-template-columns: 1fr; grid-template-rows: 280px; height: auto; }
  .bien-gallery img:first-child { grid-row: auto; }
  .footer-immo-inner { flex-direction: column; gap: 12px; text-align: center; }
}