/* =======================================
   IMMOVISTA - Agence Immobilière
   ======================================= */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --immo-navy: #1a2744;
  --immo-navy-light: #2a3d66;
  --immo-blue: #3b82f6;
  --immo-blue-light: #60a5fa;
  --immo-gold: #d4a853;
  --immo-cream: #f8f7f4;
  --immo-white: #ffffff;
  --immo-text: #1e1e2a;
  --immo-text-light: #6b7084;
  --immo-border: #e5e7eb;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, sans-serif; color: var(--immo-text); background: var(--immo-white); line-height: 1.6; overflow-x: hidden; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* Back to portfolio */
.back-to-portfolio {
  position: fixed; top: 20px; left: 20px; z-index: 1000;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; border-radius: 50px;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  color: var(--immo-navy); font-size: 0.8rem; font-weight: 500;
  text-decoration: none; box-shadow: 0 2px 16px rgba(0,0,0,0.1);
  transition: all 0.3s;
}
.back-to-portfolio:hover { background: var(--immo-navy); color: #fff; transform: translateX(-3px); }

/* =======================================
   NAVIGATION
   ======================================= */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  padding: 18px 0; transition: all 0.4s;
}
.navbar.scrolled {
  background: rgba(255,255,255,0.97); backdrop-filter: blur(16px);
  padding: 12px 0; box-shadow: 0 1px 30px rgba(0,0,0,0.06);
}
.nav-container { max-width: 1140px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; }
.nav-logo { font-family: 'Playfair Display', serif; font-size: 1.5rem; font-weight: 700; color: #fff; text-decoration: none; transition: color 0.4s; }
.nav-logo .logo-accent { color: var(--immo-gold); }
.navbar.scrolled .nav-logo { color: var(--immo-navy); }
.nav-menu { list-style: none; display: flex; gap: 28px; align-items: center; }
.nav-link { text-decoration: none; color: rgba(255,255,255,0.8); font-size: 0.85rem; font-weight: 500; transition: color 0.3s; }
.nav-link:hover, .nav-link.active { color: #fff; }
.navbar.scrolled .nav-link { color: var(--immo-text-light); }
.navbar.scrolled .nav-link:hover, .navbar.scrolled .nav-link.active { color: var(--immo-navy); }
.nav-link--cta { background: var(--immo-gold); color: var(--immo-navy) !important; padding: 10px 26px; border-radius: 8px; transition: all 0.3s; }
.nav-link--cta:hover { background: #e0b563; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(212,168,83,0.3); }
.navbar.scrolled .nav-link--cta { background: var(--immo-navy); color: #fff !important; }
.navbar.scrolled .nav-link--cta:hover { background: var(--immo-navy-light); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger-line { display: block; width: 22px; height: 1.5px; background: #fff; margin: 5px 0; transition: all 0.3s; }
.navbar.scrolled .hamburger-line { background: var(--immo-text); }
.nav-hidden { transform: translateY(-100%); }

/* =======================================
   HERO
   ======================================= */
.hero {
  min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--immo-navy) 0%, #0f1a33 100%);
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('https://images.unsplash.com/photo-1564013799919-ab600027ffc6?w=1400&h=900&fit=crop') center/cover;
  opacity: 0.2;
}
.hero-content { position: relative; z-index: 2; max-width: 620px; padding: 0 24px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; border-radius: 50px; margin-bottom: 24px;
  background: rgba(212,168,83,0.15); border: 1px solid rgba(212,168,83,0.3);
  font-size: 0.75rem; color: var(--immo-gold); font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  opacity: 0; animation: fadeUp 0.8s 0.2s forwards;
}
.hero-title {
  font-family: 'Playfair Display', serif; font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 700; line-height: 1.1; margin-bottom: 20px; color: #fff;
  opacity: 0; animation: fadeUp 0.8s 0.4s forwards;
}
.hero-title .accent { color: var(--immo-gold); }
.hero-subtitle {
  font-size: 1.05rem; color: rgba(255,255,255,0.7); max-width: 480px; line-height: 1.8; margin-bottom: 32px;
  opacity: 0; animation: fadeUp 0.8s 0.6s forwards;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; opacity: 0; animation: fadeUp 0.8s 0.8s forwards; }
.hero-stats {
  display: flex; gap: 40px; margin-top: 50px; padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
  opacity: 0; animation: fadeUp 0.8s 1s forwards;
}
.hero-stat-number { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 700; color: var(--immo-gold); display: block; }
.hero-stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.5); letter-spacing: 0.05em; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(25px); } to { opacity: 1; transform: translateY(0); } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 8px; font-size: 0.88rem;
  font-weight: 600; text-decoration: none; transition: all 0.3s; border: none; cursor: pointer;
}
.btn-primary { background: var(--immo-gold); color: var(--immo-navy); }
.btn-primary:hover { background: #e0b563; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(212,168,83,0.3); }
.btn-outline-white { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.3); }
.btn-outline-white:hover { background: #fff; color: var(--immo-navy); }
.btn-outline { background: transparent; color: var(--immo-navy); border: 1.5px solid var(--immo-border); }
.btn-outline:hover { border-color: var(--immo-navy); background: var(--immo-navy); color: #fff; }
.btn-full { width: 100%; justify-content: center; }

/* =======================================
   BIENS IMMOBILIERS
   ======================================= */
.biens-section { padding: 100px 0; background: var(--immo-cream); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag { display: inline-block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.15em; color: var(--immo-gold); margin-bottom: 12px; }
.section-title { font-family: 'Playfair Display', serif; font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 700; line-height: 1.2; margin-bottom: 14px; }
.section-description { font-size: 0.95rem; color: var(--immo-text-light); max-width: 500px; margin: 0 auto; line-height: 1.7; }
.section-line { width: 40px; height: 2px; background: var(--immo-gold); margin: 18px auto 0; border-radius: 1px; }

.biens-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.bien-card {
  background: #fff; border-radius: 16px; overflow: hidden; transition: all 0.4s;
  border: 1px solid var(--immo-border);
}
.bien-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,0.1); }
.bien-img { aspect-ratio: 16/10; background-size: cover; background-position: center; position: relative; }
.bien-badge {
  position: absolute; top: 12px; left: 12px; padding: 5px 12px; border-radius: 6px;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
}
.bien-badge--vente { background: var(--immo-navy); color: #fff; }
.bien-badge--location { background: var(--immo-gold); color: var(--immo-navy); }
.bien-info { padding: 20px; }
.bien-price { font-family: 'Playfair Display', serif; font-size: 1.3rem; font-weight: 700; color: var(--immo-navy); margin-bottom: 4px; }
.bien-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; }
.bien-location { font-size: 0.82rem; color: var(--immo-text-light); margin-bottom: 14px; display: flex; align-items: center; gap: 4px; }
.bien-features { display: flex; gap: 16px; padding-top: 14px; border-top: 1px solid var(--immo-border); }
.bien-feature { display: flex; align-items: center; gap: 5px; font-size: 0.78rem; color: var(--immo-text-light); }
.bien-feature svg { flex-shrink: 0; }

/* =======================================
   SERVICES
   ======================================= */
.services-section { padding: 100px 0; background: #fff; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  padding: 36px 28px; border-radius: 16px; text-align: center;
  background: var(--immo-cream); border: 2px solid var(--immo-border);
  transition: all 0.4s;
}
.service-card:hover { transform: translateY(-4px); border-color: var(--immo-navy); box-shadow: 0 16px 40px rgba(0,0,0,0.08); }
.service-icon {
  width: 56px; height: 56px; border-radius: 12px; margin: 0 auto 20px;
  background: var(--immo-navy); display: flex; align-items: center; justify-content: center;
}
.service-icon svg { color: var(--immo-gold); }
.service-card h3 { font-family: 'Playfair Display', serif; font-size: 1.1rem; margin-bottom: 10px; }
.service-card p { font-size: 0.85rem; color: var(--immo-text-light); line-height: 1.65; }

/* =======================================
   AVIS
   ======================================= */
.avis-section { padding: 100px 0; background: var(--immo-cream); }
.avis-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.avis-card {
  background: #fff; border-radius: 16px; padding: 32px; border: 1px solid var(--immo-border);
  position: relative; transition: all 0.3s;
}
.avis-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.06); }
.avis-card::before {
  content: '\201C'; position: absolute; top: 16px; right: 24px;
  font-family: 'Playfair Display', serif; font-size: 4rem; line-height: 1;
  color: var(--immo-gold); opacity: 0.2;
}
.avis-stars { color: var(--immo-gold); font-size: 0.85rem; margin-bottom: 14px; letter-spacing: 3px; }
.avis-text { font-size: 0.88rem; color: var(--immo-text-light); line-height: 1.75; margin-bottom: 18px; font-style: italic; }
.avis-footer { display: flex; align-items: center; gap: 12px; }
.avis-avatar {
  width: 40px; height: 40px; border-radius: 50%; background: var(--immo-navy);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.78rem; color: var(--immo-gold);
}
.avis-info { display: flex; flex-direction: column; }
.avis-author { font-weight: 600; font-size: 0.85rem; }
.avis-detail { font-size: 0.75rem; color: var(--immo-text-light); margin-top: 2px; }

/* =======================================
   CONTACT / ESTIMATION
   ======================================= */
.contact-section { padding: 100px 0; background: #fff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info .section-title { text-align: left; }
.contact-text { color: var(--immo-text-light); line-height: 1.8; margin-bottom: 32px; }
.detail-item { display: flex; gap: 16px; margin-bottom: 22px; align-items: flex-start; }
.detail-icon { flex-shrink: 0; width: 44px; height: 44px; border-radius: 10px; background: var(--immo-navy); display: flex; align-items: center; justify-content: center; }
.detail-icon svg { color: var(--immo-gold); }
.detail-text { display: flex; flex-direction: column; gap: 2px; }
.detail-text strong { font-size: 0.9rem; }
.detail-text span { font-size: 0.82rem; color: var(--immo-text-light); }

.contact-form {
  background: var(--immo-cream); border-radius: 20px; padding: 40px;
  border: 1px solid var(--immo-border);
}
.form-title { font-family: 'Playfair Display', serif; font-size: 1.3rem; margin-bottom: 24px; text-align: center; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--immo-border); border-radius: 10px;
  font-size: 0.88rem; font-family: inherit; transition: all 0.3s; background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--immo-navy); box-shadow: 0 0 0 3px rgba(26,39,68,0.08);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-note { text-align: center; font-size: 0.78rem; color: var(--immo-text-light); margin-top: 12px; }

/* =======================================
   PAGE HERO (sub-pages)
   ======================================= */
.page-hero { padding: 130px 0 50px; text-align: center; background: var(--immo-navy); color: #fff; }
.page-hero .section-tag { color: var(--immo-gold); }
.page-hero .section-title { color: #fff; }
.page-hero .section-description { color: rgba(255,255,255,0.6); }

/* =======================================
   FOOTER
   ======================================= */
.footer { padding: 60px 0 28px; background: var(--immo-navy); color: rgba(255,255,255,0.6); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { font-family: 'Playfair Display', serif; font-size: 1.3rem; font-weight: 700; color: #fff; text-decoration: none; display: block; margin-bottom: 12px; }
.footer-logo .logo-accent { color: var(--immo-gold); }
.footer-tagline { font-size: 0.85rem; line-height: 1.6; }
.footer-heading { color: #fff; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 16px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.85rem; transition: color 0.3s; }
.footer-links a:hover { color: var(--immo-gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; display: flex; justify-content: space-between; font-size: 0.78rem; }
.footer-credit a { color: var(--immo-gold); text-decoration: none; }

/* =======================================
   BIEN DETAIL PAGE
   ======================================= */
.bd { padding-top: 100px; padding-bottom: 80px; }
.bd-back {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--immo-text-light); text-decoration: none; font-size: 0.85rem; font-weight: 500;
  margin-bottom: 28px; transition: color 0.3s;
}
.bd-back:hover { color: var(--immo-navy); }

.bd-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; margin-bottom: 28px; flex-wrap: wrap; }
.bd-badge {
  display: inline-block; padding: 6px 16px; border-radius: 6px;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 10px;
}
.bd-badge--vente { background: var(--immo-navy); color: #fff; }
.bd-badge--location { background: var(--immo-gold); color: var(--immo-navy); }
.bd-title { font-family: 'Playfair Display', serif; font-size: clamp(1.5rem, 3.5vw, 2.2rem); font-weight: 700; line-height: 1.2; margin-bottom: 8px; }
.bd-loc { font-size: 0.9rem; color: var(--immo-text-light); display: flex; align-items: center; gap: 6px; }
.bd-price {
  font-family: 'Playfair Display', serif; font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700;
  color: var(--immo-navy); white-space: nowrap;
}

/* Gallery with img tags */
.bd-gallery { display: grid; grid-template-columns: 2fr 1fr; gap: 12px; margin-bottom: 40px; border-radius: 20px; overflow: hidden; }
.bd-gallery img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bd-img-main { min-height: 360px; border-radius: 20px 0 0 20px; overflow: hidden; }
.bd-img-side { display: flex; flex-direction: column; gap: 12px; }
.bd-img-sm { overflow: hidden; min-height: 170px; }
.bd-img-sm:first-child { border-radius: 0 20px 0 0; }
.bd-img-sm:last-child { border-radius: 0 0 20px 0; }

/* Features bar */
.bd-feats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  padding: 28px; background: var(--immo-cream); border-radius: 16px; margin-bottom: 36px;
  border: 1px solid var(--immo-border);
}
.bd-feat { text-align: center; padding: 12px 8px; }
.bd-feat-icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--immo-navy);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 10px;
}
.bd-feat-icon svg { stroke: var(--immo-gold); }
.bd-feat-val { font-weight: 700; font-size: 1.05rem; color: var(--immo-navy); display: block; margin-bottom: 2px; }
.bd-feat-lbl { font-size: 0.75rem; color: var(--immo-text-light); display: block; }

/* Content 2-col layout */
.bd-body { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: start; }

/* Description */
.bd-desc { margin-bottom: 32px; }
.bd-desc h2 { font-family: 'Playfair Display', serif; font-size: 1.3rem; font-weight: 700; margin-bottom: 16px; }
.bd-desc p { font-size: 0.9rem; color: var(--immo-text-light); line-height: 1.85; margin-bottom: 14px; }

/* Specs table */
.bd-specs { margin-top: 8px; }
.bd-specs h3 { font-family: 'Playfair Display', serif; font-size: 1.1rem; margin-bottom: 16px; }
.bd-specs-list { border: 1px solid var(--immo-border); border-radius: 12px; overflow: hidden; }
.bd-spec {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 20px; font-size: 0.85rem;
  border-bottom: 1px solid var(--immo-border);
}
.bd-spec:last-child { border-bottom: none; }
.bd-spec:nth-child(even) { background: var(--immo-cream); }
.bd-spec-lbl { color: var(--immo-text-light); }
.bd-spec-val { font-weight: 600; color: var(--immo-navy); text-align: right; }

/* Sidebar */
.bd-sidebar {
  background: var(--immo-cream); border-radius: 20px; padding: 32px;
  border: 1px solid var(--immo-border); position: sticky; top: 100px;
}
.bd-sidebar h3 { font-family: 'Playfair Display', serif; font-size: 1.15rem; margin-bottom: 6px; text-align: center; }
.bd-sidebar > p { font-size: 0.85rem; color: var(--immo-text-light); text-align: center; margin-bottom: 24px; }
.bd-sidebar .form-group { margin-bottom: 14px; }
.bd-sidebar .btn { margin-top: 8px; }
.bd-ref {
  text-align: center; font-size: 0.75rem; color: var(--immo-text-light);
  margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--immo-border);
}

/* Card clickable */
a.bien-card { cursor: pointer; text-decoration: none; color: inherit; display: block; }
a.bien-card:hover { color: inherit; }

/* =======================================
   ANIMATIONS
   ======================================= */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.9s cubic-bezier(0.16,1,0.3,1); }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* =======================================
   RESPONSIVE
   ======================================= */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-menu {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    background: #fff; flex-direction: column; padding: 80px 32px 32px;
    gap: 20px; transition: right 0.4s; box-shadow: -4px 0 24px rgba(0,0,0,0.1);
  }
  .nav-menu.active { right: 0; }
  .nav-toggle.active .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active .hamburger-line:nth-child(2) { opacity: 0; }
  .nav-toggle.active .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-stats { justify-content: center; gap: 24px; flex-wrap: wrap; }
  .biens-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .services-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
  .avis-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .bd-gallery { grid-template-columns: 1fr; }
  .bd-img-main { border-radius: 16px; min-height: 220px; }
  .bd-img-side { flex-direction: row; }
  .bd-img-sm { border-radius: 12px !important; min-height: 120px; }
  .bd-body { grid-template-columns: 1fr; }
  .bd-feats { grid-template-columns: repeat(2, 1fr); }
  .bd-top { flex-direction: column; }
  .bd-sidebar { position: static; }
}