:root{
  --navy:#0b1f4b; --royal:#1a3a8f; --ink:#14213d; --gold:#c6a664; --gold-soft:#e6d6ae;
  --white:#fff; --ivory:#f8f6f1; --mist:#eef1f7; --text:#2b3245; --muted:#6b7286; --line:#e3e1da;
  --serif:"Cormorant Garamond",Georgia,serif; --sans:"Inter",system-ui,-apple-system,sans-serif;
  --max:1240px; --radius:2px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--text);background:var(--white);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--serif);font-weight:500;color:var(--navy);line-height:1.15;letter-spacing:.01em}
h1{font-size:clamp(2.4rem,5.5vw,4.4rem)}
h2{font-size:clamp(2rem,3.6vw,3rem)}
h3{font-size:1.5rem}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--gold);font-weight:600;display:inline-block;margin-bottom:14px}
.rule{width:56px;height:1px;background:var(--gold);margin:22px 0}
.center{text-align:center}.center .rule{margin:22px auto}
.lead{font-size:1.12rem;color:var(--muted);max-width:640px}
.center .lead{margin:0 auto}
section{padding:110px 0}
.bg-ivory{background:var(--ivory)}
.bg-navy{background:var(--navy);color:#dfe4f2}
.bg-navy h2,.bg-navy h3{color:#fff}

/* i18n */
html[lang="fr"] [data-l="en"],html[lang="en"] [data-l="fr"]{display:none!important}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;font-weight:600;border:1px solid var(--gold);color:var(--navy);background:transparent;cursor:pointer;transition:background .25s,color .25s;font-family:var(--sans)}
.btn:hover{background:var(--gold);color:var(--navy)}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-light{color:#fff;border-color:rgba(255,255,255,.7)}
.btn-light:hover{background:#fff;color:var(--navy);border-color:#fff}

/* Header */
.header{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .3s,box-shadow .3s;color:#fff}
.header.solid,.header.always{background:rgba(11,31,75,.97);box-shadow:0 1px 0 rgba(198,166,100,.25)}
.header .bar{display:flex;align-items:center;justify-content:space-between;height:82px}
.logo{display:inline-flex;flex-direction:column;align-items:center;text-align:center;line-height:1}
.logo b{display:block;font-family:var(--serif);font-weight:500;font-size:1.6rem;letter-spacing:.06em;padding-left:.06em}
.logo span{display:block;width:100%;text-align:center;font-size:.68rem;letter-spacing:.5em;padding-left:.5em;text-transform:uppercase;color:var(--gold);margin-top:8px;font-weight:500}
footer .logo{display:inline-flex}
.nav{display:flex;gap:30px;align-items:center}
.nav a{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;opacity:.9;padding:6px 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a.active{opacity:1;border-color:var(--gold)}
.lang{display:flex;border:1px solid rgba(198,166,100,.6);font-size:.7rem;letter-spacing:.12em}
.lang button{background:none;border:0;color:#fff;padding:7px 10px;cursor:pointer;font-family:var(--sans);font-weight:600}
.lang button.on{background:var(--gold);color:var(--navy)}
.burger{display:none;background:none;border:0;color:#fff;cursor:pointer;width:34px;height:34px}
.burger svg{width:28px;height:28px}
@media(max-width:1080px){
  .nav{position:fixed;inset:82px 0 0 0;background:var(--navy);flex-direction:column;justify-content:flex-start;padding:40px 24px;gap:22px;transform:translateX(100%);transition:transform .3s}
  .nav.open{transform:none}
  .nav a{font-size:.9rem}
  .burger{display:block}
}

/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;color:#fff;background:var(--navy)}
.hero.short{min-height:62vh}
.hero-img{position:absolute;inset:0;background-size:cover;background-position:center;background-color:var(--navy)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,31,75,.45) 0%,rgba(11,31,75,.15) 40%,rgba(11,31,75,.78) 100%)}
.hero .container{position:relative;z-index:2;padding-bottom:110px;width:100%}
.hero h1{color:#fff;max-width:900px}
.hero .lead{color:rgba(255,255,255,.88);margin-top:20px}
.hero .actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:38px}
.hero.short .container{padding-bottom:70px}

/* Quick access */
.quick{display:grid;grid-template-columns:repeat(3,1fr);background:var(--white);box-shadow:0 20px 50px rgba(11,31,75,.12);margin-top:-60px;position:relative;z-index:5}
.quick a{padding:34px 36px;border-right:1px solid var(--line);transition:background .25s}
.quick a:last-child{border-right:0}
.quick a:hover{background:var(--ivory)}
.quick small{color:var(--gold);letter-spacing:.24em;font-size:.68rem;text-transform:uppercase;font-weight:600}
.quick h3{margin:8px 0 6px;font-size:1.55rem}
.quick p{font-size:.9rem;color:var(--muted)}
@media(max-width:820px){.quick{grid-template-columns:1fr;margin-top:0}.quick a{border-right:0;border-bottom:1px solid var(--line)}}

/* Split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.split .ph{aspect-ratio:4/5;background-size:cover;background-position:center;background-color:var(--mist)}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:40px}}
.stats{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:36px;padding-top:30px;border-top:1px solid var(--line)}
.stats i{display:flex;align-items:center;justify-content:center;width:46px;height:46px;border:1px solid var(--gold);border-radius:50%;color:var(--gold);margin-bottom:16px}
.stats i svg{width:22px;height:22px}
.stats b{display:block;font-family:var(--sans);font-size:.98rem;font-weight:600;line-height:1.35;color:var(--navy);margin-bottom:6px}
.stats small{display:block;font-size:.9rem;line-height:1.5;color:var(--muted)}
@media(max-width:560px){.stats{grid-template-columns:1fr;gap:24px}.stats li{display:grid;grid-template-columns:46px 1fr;column-gap:16px;align-items:center}.stats i{grid-row:span 2;margin:0}.stats b{margin:0}}

/* Cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}
@media(max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid{grid-template-columns:1fr}}
.card{display:block;background:#fff;transition:transform .3s}
.card:hover{transform:translateY(-4px)}
.card .img{aspect-ratio:4/3;background-size:cover;background-position:center;background-color:var(--mist);position:relative}
.tag{position:absolute;top:16px;left:16px;background:rgba(11,31,75,.88);color:var(--gold-soft);font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;padding:6px 11px}
.card .body{padding:22px 4px}
.card .loc{font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:600}
.card h3{margin:6px 0 8px;font-size:1.45rem}
.card .meta{display:flex;gap:16px;font-size:.84rem;color:var(--muted);flex-wrap:wrap}
.card .price{font-family:var(--serif);font-size:1.4rem;color:var(--navy);margin-top:10px}

/* Sectors */
.sectors{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:900px){.sectors{grid-template-columns:repeat(2,1fr)}}
.sector{position:relative;aspect-ratio:1/1;background-size:cover;background-position:center;background-color:var(--royal);display:flex;align-items:flex-end;padding:20px;color:#fff;overflow:hidden}
.sector::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(11,31,75,.85))}
.sector span{position:relative;z-index:2;font-family:var(--serif);font-size:1.35rem}
.sector.main{grid-column:span 2;grid-row:span 2;aspect-ratio:auto}
.sector.main span{font-size:2.2rem}
.sector.main small{position:absolute;z-index:2;top:20px;left:20px;font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-soft)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;justify-content:center}
.chips span{border:1px solid var(--line);padding:8px 16px;font-size:.82rem;color:var(--text);background:#fff}

/* Values */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;margin-top:60px}
.values div{border-top:1px solid rgba(198,166,100,.5);padding-top:24px}
.values h3{font-size:1.5rem;margin-bottom:10px}
@media(max-width:820px){.values{grid-template-columns:1fr;gap:30px}}

/* Filters */
.filters{background:#fff;padding:26px;box-shadow:0 14px 40px rgba(11,31,75,.08);display:grid;grid-template-columns:repeat(5,1fr) auto;gap:14px;align-items:end;margin-top:-50px;position:relative;z-index:5}
.filters label{font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:600;display:block;margin-bottom:6px}
.feat-row{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:18px;font-size:.86rem;padding-top:6px;border-top:1px solid var(--line)}
.feat-row label{text-transform:none;letter-spacing:0;font-size:.86rem;color:var(--text);font-weight:400;display:flex;align-items:center;gap:7px;margin:0;padding-top:12px}
@media(max-width:1000px){.filters{grid-template-columns:1fr 1fr;margin-top:30px}}
.count{margin:40px 0 24px;color:var(--muted);font-size:.9rem}

/* Forms */
input,select,textarea{width:100%;padding:13px 14px;border:1px solid var(--line);background:#fff;font-family:var(--sans);font-size:.95rem;color:var(--text);border-radius:var(--radius)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold)}
input[type=checkbox]{width:auto}
textarea{min-height:130px;resize:vertical}
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form .full{grid-column:1/-1}
.form label{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600;display:block;margin-bottom:6px}
.form .consent{display:flex;gap:10px;align-items:flex-start;font-size:.84rem;color:var(--muted);text-transform:none;letter-spacing:0;font-weight:400}
.form .consent input{margin-top:4px}
.form legend{font-family:var(--serif);font-size:1.5rem;color:var(--navy);grid-column:1/-1;margin-top:14px;padding-bottom:8px;border-bottom:1px solid var(--line);width:100%}
fieldset{border:0;display:contents}
@media(max-width:700px){.form{grid-template-columns:1fr}}
.hidden{display:none}
.panel{background:#fff;padding:50px;box-shadow:0 20px 50px rgba(11,31,75,.08)}
@media(max-width:700px){.panel{padding:28px 20px}}

/* Property detail */
.gallery{display:grid;grid-template-columns:2fr 1fr;grid-template-rows:1fr 1fr;gap:8px;height:min(70vh,620px);margin-top:82px}
.gallery div{background-size:cover;background-position:center;background-color:var(--mist);cursor:pointer}
.gallery div:first-child{grid-row:span 2}
@media(max-width:800px){.gallery{grid-template-columns:1fr;grid-template-rows:auto;height:auto}.gallery div{aspect-ratio:4/3}.gallery div:first-child{grid-row:auto}.gallery div:not(:first-child){display:none}}
.detail{display:grid;grid-template-columns:1.6fr 1fr;gap:70px;padding:70px 0 100px}
@media(max-width:950px){.detail{grid-template-columns:1fr;gap:40px}}
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:30px 0}
.facts div{padding:20px 0;text-align:center;border-right:1px solid var(--line)}
.facts div:last-child{border-right:0}
.facts b{display:block;font-family:var(--serif);font-size:1.8rem;color:var(--navy);font-weight:500}
.facts span{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
@media(max-width:560px){.facts{grid-template-columns:1fr 1fr}.facts div:nth-child(2){border-right:0}}
.features{columns:2;margin-top:20px;list-style:none}
.features li{padding:8px 0 8px 22px;position:relative;break-inside:avoid}
.features li::before{content:"";position:absolute;left:0;top:17px;width:10px;height:1px;background:var(--gold)}
.sticky{position:sticky;top:110px;align-self:start}
.video{aspect-ratio:16/9;margin-top:40px;background:var(--mist)}
.video iframe{width:100%;height:100%;border:0}
.lightbox{position:fixed;inset:0;background:rgba(5,14,36,.95);z-index:100;display:none;align-items:center;justify-content:center}
.lightbox.on{display:flex}
.lightbox img{max-height:86vh;max-width:92vw}
.lightbox button{position:absolute;background:none;border:0;color:#fff;font-size:2.4rem;cursor:pointer;padding:20px;font-family:var(--serif)}
.lb-close{top:10px;right:16px}.lb-prev{left:10px}.lb-next{right:10px}

/* Editorial */
.prose{max-width:760px;margin:0 auto}
.prose p{margin-bottom:20px;font-size:1.06rem}
.note{border-left:2px solid var(--gold);background:var(--ivory);padding:18px 22px;font-size:.92rem;color:var(--muted);margin:30px 0}
.pillars{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;background:var(--line);margin-top:60px}
.pillars div{background:#fff;padding:44px}
.pillars h3{margin-bottom:10px}
@media(max-width:760px){.pillars{grid-template-columns:1fr}.pillars div{padding:30px 22px}}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:70px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.cinfo li{list-style:none;padding:18px 0;border-bottom:1px solid var(--line)}
.cinfo small{display:block;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-weight:600}
.cinfo a,.cinfo p{font-family:var(--serif);font-size:1.35rem;color:var(--navy)}
.socials{display:flex;gap:12px;margin-top:26px}
.socials a{width:44px;height:44px;border:1px solid var(--gold);display:flex;align-items:center;justify-content:center;color:var(--navy);transition:background .25s}
.socials a:hover{background:var(--gold)}
.socials svg{width:18px;height:18px}
.map{margin-top:28px;aspect-ratio:4/3;background:var(--mist)}
.map iframe{width:100%;height:100%;border:0;filter:grayscale(.3)}

/* CTA band */
.cta{position:relative;padding:130px 0;color:#fff;text-align:center;background-size:cover;background-position:center;background-color:var(--navy)}
.cta::before{content:"";position:absolute;inset:0;background:rgba(11,31,75,.72)}
.cta .container{position:relative}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.85);max-width:560px;margin:16px auto 34px}

/* Footer */
footer{background:#071534;color:#aeb6cc;padding:80px 0 30px;font-size:.9rem}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
@media(max-width:900px){.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.fgrid{grid-template-columns:1fr}}
footer h4{font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-bottom:16px;font-weight:600}
footer li{list-style:none;padding:4px 0}
footer a:hover{color:#fff}
footer .logo b{color:#fff}
.fbottom{border-top:1px solid rgba(255,255,255,.1);margin-top:50px;padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.78rem}

/* WhatsApp + cookie */
.wa{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.wa svg{width:30px;height:30px;fill:#fff}
.cookie{position:fixed;left:22px;bottom:22px;z-index:70;max-width:420px;background:#fff;padding:22px;box-shadow:0 12px 40px rgba(11,31,75,.2);font-size:.86rem;display:none;border-top:2px solid var(--gold)}
.cookie.on{display:block}
.cookie .row{display:flex;gap:10px;margin-top:14px}
.cookie .btn{padding:10px 16px;font-size:.66rem}
@media(max-width:520px){.cookie{left:12px;right:84px;bottom:12px}}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .8s,transform .8s}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}

/* Biens BSK */
.tag.muted{background:rgba(255,255,255,.92);color:var(--navy)}
.loading{color:var(--muted);grid-column:1/-1;padding:30px 0}
.small{font-size:.86rem;color:var(--muted)}
.small a{color:var(--royal);text-decoration:underline}
.headline{font-size:1.25rem;font-family:var(--sans);font-weight:600;letter-spacing:.04em;color:var(--royal);margin:6px 0 16px;line-height:1.5}
.desc{white-space:pre-line;font-size:1.02rem}
.energy{display:flex;gap:30px;flex-wrap:wrap;margin-top:14px}
.energy>div{display:flex;align-items:center;gap:14px}
.energy small{font-size:.8rem;color:var(--muted);line-height:1.4}
.dpe{width:46px;height:46px;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;background:#999;font-size:1.2rem}
.dpe-A{background:#009c6d}.dpe-B{background:#52b153}.dpe-C{background:#a5cc74}.dpe-D{background:#f4e70f;color:#333}.dpe-E{background:#f0b50f}.dpe-F{background:#eb8235}.dpe-G{background:#d7221f}
#detail.is-loading .detail{opacity:.3}
.fees{width:100%;border-collapse:collapse;margin:24px 0}
.fees th,.fees td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.fees th{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.prose h3{margin:30px 0 8px}
.prose a{color:var(--royal)}
.mentions{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}
.mentions summary{cursor:pointer;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--royal);font-weight:600}
.mentions p{margin-top:12px}

/* Diaporama d'accueil (4 s par photo) */
.slides{position:absolute;inset:0;overflow:hidden;background:var(--navy)}
.slide{position:absolute;inset:0;background-image:var(--d);background-size:cover;background-position:center;opacity:0;transition:opacity 1.4s ease}
.slide.on{opacity:1}
@media(max-width:700px){.slide{background-image:var(--m)}}
.dots{position:absolute;z-index:3;right:24px;bottom:40px;display:flex;gap:10px}
.dots button{width:28px;height:2px;border:0;padding:8px 0;background:transparent;cursor:pointer;position:relative}
.dots button::after{content:"";position:absolute;left:0;right:0;top:7px;height:2px;background:rgba(255,255,255,.45)}
.dots button.on::after{background:var(--gold)}
@media(min-width:1100px){.dots{right:calc((100vw - var(--max))/2 + 24px)}}
@media(prefers-reduced-motion:reduce){.slide{transition:none}}

/* Pages éditoriales */
.editorial h2{font-size:clamp(1.8rem,3vw,2.4rem);margin-top:56px}
.editorial blockquote{font-family:var(--serif);font-size:clamp(1.5rem,2.6vw,2rem);color:var(--navy);line-height:1.35;border-left:2px solid var(--gold);padding:6px 0 6px 26px;margin:44px 0}
.wide-photo{max-width:var(--max);margin:60px auto;padding:0 24px}
.wide-photo img{width:100%;max-height:640px;object-fit:cover}
.about{max-width:900px;margin:0 auto;padding:0 24px}
.about-head{display:flex;gap:44px;align-items:center;margin-bottom:50px;padding-bottom:44px;border-bottom:1px solid var(--line)}
.portrait{width:200px;height:250px;object-fit:cover;object-position:center top;flex-shrink:0;box-shadow:0 18px 40px rgba(11,31,75,.15);outline:1px solid var(--gold);outline-offset:8px}
.about-head h2{font-size:clamp(1.8rem,3.2vw,2.6rem)}
.about .prose{padding:0}
.prose .signature{font-family:var(--serif);font-size:2rem;color:var(--navy);font-style:italic;margin-top:30px}
.about-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
@media(max-width:640px){.about-head{flex-direction:column;align-items:flex-start;gap:30px}.portrait{width:150px;height:188px;margin-left:8px}}
@media(max-width:900px){.sector.main{min-height:240px}}