/* ===========================================================
   Groupe AD Immobilier — base stylesheet
   Palette : teal-gray #4E5B5B, dark #261814, warm #97887D, muted teal #A0BABB
   =========================================================== */

:root{
  --c-dark:#261814;
  --c-teal:#4E5B5B;
  --c-warm:#97887D;
  --c-mute:#A0BABB;
  --c-bg:#FAF7F3;
  --c-text:#1B1311;
  --c-muted:#6F6660;
  --c-line:#E4DDD3;
  --c-white:#fff;
  --radius:10px;
  --shadow:0 6px 22px rgba(38,24,20,0.08);
  --max:1200px;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.55;
}
img{ max-width:100%; display:block; }
a{ color:var(--c-teal); text-decoration:none; }
a:hover{ text-decoration:underline; }

/* ---- Bilingual visibility ---- */
body.lang-fr [data-lang="en"]{ display:none !important; }
body.lang-en [data-lang="fr"]{ display:none !important; }

/* ---- Layout helpers ---- */
.container{ max-width:var(--max); margin:0 auto; padding:0 24px; }
.section{ padding:72px 0; }
.section--tight{ padding:48px 0; }
.muted{ color:var(--c-muted); }

h1,h2,h3,h4{ font-family:'Playfair Display','Georgia',serif; color:var(--c-dark); margin:0 0 0.5em; font-weight:600; }
h1{ font-size:clamp(2rem, 4vw, 3rem); line-height:1.15; }
h2{ font-size:clamp(1.6rem, 3vw, 2.25rem); line-height:1.2; }
h3{ font-size:1.25rem; }
p{ margin:0 0 1em; }

/* ---- Header ---- */
.site-header{
  background:var(--c-white);
  border-bottom:1px solid var(--c-line);
  position:sticky; top:0; z-index:50;
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding-top:14px; padding-bottom:14px;
}
.logo{ display:flex; align-items:center; }
.logo img{ height:60px; width:auto; }
.nav-wrap{ display:flex; align-items:center; gap:24px; }
.nav-links{ display:flex; gap:24px; list-style:none; padding:0; margin:0; }
.nav-links a{
  color:var(--c-dark); font-weight:500; font-size:0.95rem;
  text-decoration:none;
}
.nav-links a:hover{ color:var(--c-teal); }
.lang-toggle{
  display:flex; gap:0; border:1px solid var(--c-line); border-radius:6px; overflow:hidden;
}
.lang-toggle button{
  background:transparent; border:none; padding:6px 12px; font-size:0.85rem;
  cursor:pointer; color:var(--c-muted);
}
.lang-toggle button.active{ background:var(--c-teal); color:#fff; }
.burger{
  display:none; background:transparent; border:0; cursor:pointer;
  padding:6px; flex-direction:column; gap:4px;
}
.burger span{ display:block; width:24px; height:2px; background:var(--c-dark); }

@media (max-width:880px){
  .nav-wrap{ gap:12px; }
  .burger{ display:inline-flex; }
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    background:#fff; flex-direction:column; padding:16px 24px;
    border-bottom:1px solid var(--c-line); display:none;
  }
  .nav-links.open{ display:flex; }
  .logo img{ height:48px; }
}

/* ---- Hero ---- */
.hero{
  position:relative;
  background:linear-gradient(135deg, var(--c-dark) 0%, var(--c-teal) 100%);
  color:#fff;
  padding:96px 0 80px;
  overflow:hidden;
}
.hero::before{
  content:""; position:absolute; inset:0;
  background:image-set(
    url('../assets/photos/hero-montreal.avif') type('image/avif'),
    url('../assets/photos/hero-montreal.jpg') type('image/jpeg')
  ) center/cover no-repeat;
  background-image:url('../assets/photos/hero-montreal.jpg');
  background-image:image-set(
    url('../assets/photos/hero-montreal.avif') type('image/avif'),
    url('../assets/photos/hero-montreal.jpg') type('image/jpeg')
  );
  background-size:cover; background-position:center;
  opacity:0.45;
}
.hero .container{ position:relative; z-index:1; max-width:820px; }
.hero h1{ color:#fff; margin-bottom:12px; }
.hero p.lead{ font-size:1.15rem; opacity:0.95; margin-bottom:28px; }
.hero .btns{ display:flex; gap:14px; flex-wrap:wrap; }

/* ---- Buttons ---- */
.btn{
  display:inline-block;
  background:var(--c-teal); color:#fff;
  padding:12px 24px; border-radius:var(--radius);
  font-weight:500; font-size:1rem;
  border:1px solid var(--c-teal);
  cursor:pointer; transition:all .15s ease;
}
.btn:hover{ background:var(--c-dark); border-color:var(--c-dark); text-decoration:none; color:#fff; }
.btn-outline{
  background:transparent; color:#fff; border:1px solid #fff;
}
.btn-outline:hover{ background:#fff; color:var(--c-dark); border-color:#fff; }
.btn-dark{ background:var(--c-dark); border-color:var(--c-dark); }
.btn-dark:hover{ background:var(--c-teal); border-color:var(--c-teal); }

/* ---- Feature section (interior loft) ---- */
.feature-row{
  display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center;
}
.feature-row .feature-img{
  border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow);
  background:var(--c-line) center/cover no-repeat;
  aspect-ratio:4/3;
}
@media (max-width:780px){
  .feature-row{ grid-template-columns:1fr; gap:24px; }
}

/* ---- Listings grid ---- */
.listings-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;
}
@media (max-width:980px){ .listings-grid{ grid-template-columns:repeat(2, 1fr); } }
@media (max-width:620px){ .listings-grid{ grid-template-columns:1fr; } }

.listing-card{
  background:#fff; border:1px solid var(--c-line); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow);
  display:flex; flex-direction:column;
  color:var(--c-text); text-decoration:none;
  transition:transform .15s ease, box-shadow .15s ease;
}
.listing-card:hover{
  transform:translateY(-3px); text-decoration:none;
  box-shadow:0 12px 30px rgba(38,24,20,0.14);
}
.listing-card .thumb{
  aspect-ratio:4/3; background:#dcd6cc center/cover no-repeat;
  position:relative;
}
.listing-card .thumb-empty{
  background:linear-gradient(135deg, var(--c-warm), var(--c-mute));
}
.card-body{ padding:18px 18px 20px; flex:1; display:flex; flex-direction:column; gap:6px; }
.card-title{ font-size:1.15rem; margin:0 0 4px; }
.card-meta{
  color:var(--c-muted); font-size:0.9rem;
  display:flex; gap:8px; flex-wrap:wrap;
}
.card-price{ font-weight:600; color:var(--c-dark); margin-top:4px; }
.card-date{ font-size:0.85rem; color:var(--c-muted); }
.card-link{ margin-top:auto; color:var(--c-teal); font-weight:500; padding-top:8px; }

/* ---- Badges ---- */
.badge{
  position:absolute; top:12px; left:12px;
  background:#fff; color:var(--c-dark);
  font-size:0.75rem; font-weight:600; letter-spacing:0.06em; text-transform:uppercase;
  padding:5px 10px; border-radius:4px;
}
.badge-available{ background:#2F7A4C; color:#fff; }
.badge-rented{ background:var(--c-dark); color:#fff; }
.badge-reserved{ background:var(--c-warm); color:#fff; }

/* ---- Filters ---- */
.filters{
  display:grid; grid-template-columns:repeat(5,1fr) auto; gap:12px;
  background:#fff; border:1px solid var(--c-line);
  padding:16px; border-radius:var(--radius); margin-bottom:24px;
}
.filters label{
  display:block; font-size:0.78rem; color:var(--c-muted);
  margin-bottom:4px; text-transform:uppercase; letter-spacing:0.04em;
}
.filters select, .filters input{
  width:100%; padding:9px 10px; border:1px solid var(--c-line);
  border-radius:6px; background:#fff; font-size:0.95rem;
}
.filters .filter-reset{ align-self:end; }
.filters .filter-reset button{
  background:transparent; border:1px solid var(--c-line);
  padding:9px 14px; border-radius:6px; cursor:pointer; color:var(--c-muted);
}
.filters .filter-reset button:hover{ color:var(--c-dark); border-color:var(--c-dark); }
@media (max-width:980px){ .filters{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){ .filters{ grid-template-columns:1fr; } }

/* ---- Detail page ---- */
.back-link{ display:inline-block; margin-bottom:12px; color:var(--c-muted); font-size:0.92rem; }
.detail-title{ margin-bottom:24px; }
.detail-grid{
  display:grid; grid-template-columns:1.4fr 1fr; gap:32px;
  margin-bottom:32px;
}
@media (max-width:880px){ .detail-grid{ grid-template-columns:1fr; } }
.photo-main{
  aspect-ratio:16/10; background:#ddd center/cover no-repeat;
  border-radius:var(--radius); box-shadow:var(--shadow);
}
.photo-empty{ background:linear-gradient(135deg, var(--c-warm), var(--c-mute)); }
.photo-thumbs{ display:grid; grid-template-columns:repeat(4,1fr); gap:8px; margin-top:10px; }
.photo-thumb{ aspect-ratio:1; background:#ddd center/cover no-repeat; border-radius:6px; }
.detail-info .badge{ position:static; display:inline-block; margin-bottom:14px; }
.detail-table{
  width:100%; border-collapse:collapse; background:#fff;
  border-radius:var(--radius); overflow:hidden;
  border:1px solid var(--c-line);
}
.detail-table th, .detail-table td{
  text-align:left; padding:10px 14px; border-bottom:1px solid var(--c-line);
  font-size:0.95rem;
}
.detail-table th{ color:var(--c-muted); width:38%; font-weight:500; }
.detail-table tr:last-child th,
.detail-table tr:last-child td{ border-bottom:0; }
.detail-desc{ margin-top:16px; }
.map-title{ margin-top:32px; }
.map-wrap{ height:380px; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }

/* ---- About / values ---- */
.value-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
@media (max-width:780px){ .value-grid{ grid-template-columns:1fr; } }
.value-card{
  background:#fff; border:1px solid var(--c-line); border-radius:var(--radius);
  padding:32px 24px 28px; box-shadow:var(--shadow);
  text-align:center;
  display:flex; flex-direction:column; align-items:center; gap:6px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.value-card:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 28px rgba(38,24,20,0.12);
}
.value-icon{
  width:84px; height:84px; border-radius:50%;
  background:linear-gradient(135deg, #ECF0F0 0%, #D7E0E0 100%);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:14px;
  border:1px solid var(--c-mute);
}
.value-icon img{ width:48px; height:48px; }
.value-card h3{
  color:var(--c-teal);
  font-family:'Inter','Segoe UI',system-ui,sans-serif;
  font-size:1rem; letter-spacing:0.14em; font-weight:600;
  margin:0 0 8px;
}
.value-card p{ color:var(--c-text); margin:0; }

/* ---- Forms ---- */
.contact-grid{ display:grid; grid-template-columns:1fr 1.4fr; gap:48px; }
@media (max-width:880px){ .contact-grid{ grid-template-columns:1fr; gap:24px; } }
.contact-info p{ margin:0 0 10px; }
.contact-info a{ color:var(--c-teal); }
form.contact-form{
  background:#fff; border:1px solid var(--c-line); border-radius:var(--radius);
  padding:24px; box-shadow:var(--shadow);
}
form.contact-form label{
  display:block; font-size:0.85rem; color:var(--c-muted); margin:14px 0 4px;
  text-transform:uppercase; letter-spacing:0.04em;
}
form.contact-form input,
form.contact-form textarea{
  width:100%; padding:10px 12px; border:1px solid var(--c-line);
  border-radius:6px; font-size:1rem; font-family:inherit;
  background:#fff; color:var(--c-text);
}
form.contact-form textarea{ min-height:140px; resize:vertical; }
form.contact-form .hp{ position:absolute; left:-9999px; }
form.contact-form button{ margin-top:18px; }

/* ---- About section ---- */
.about-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center;
}
@media (max-width:780px){ .about-grid{ grid-template-columns:1fr; } }
.about-illus{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.about-illus img{ border-radius:var(--radius); }

/* ---- Footer ---- */
.site-footer{
  background:var(--c-dark); color:#cdc4bd; padding:48px 0 24px; margin-top:0;
}
.site-footer h4{ color:#fff; font-family:inherit; font-size:1rem; margin-bottom:8px; }
.site-footer a{ color:#cdc4bd; }
.site-footer a:hover{ color:#fff; }
.footer-grid{
  display:grid; grid-template-columns:2fr 1fr 1fr; gap:32px;
}
@media (max-width:780px){ .footer-grid{ grid-template-columns:1fr; gap:18px; } }
.footer-legal{
  border-top:1px solid #3a2a25; margin-top:32px; padding-top:18px;
  font-size:0.85rem; color:#9a8e87; display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
}

/* ---- CTA banner ---- */
.cta-banner{
  background:var(--c-teal); color:#fff; padding:48px 0; text-align:center;
}
.cta-banner h2{ color:#fff; margin-bottom:14px; }
.cta-banner .btn{ background:#fff; color:var(--c-teal); border-color:#fff; }
.cta-banner .btn:hover{ background:var(--c-dark); color:#fff; border-color:var(--c-dark); }