/* ---------- Base & design tokens ---------- */
:root{
  --ink:#1c1a17; --paper:#faf7f2; --paper2:#f1ece3; --line:#e2d9cb;
  --muted:#6d6a63; --gold:#2f6a49; --gold-d:#234f38; --white:#fff;
  --maxw:1160px; --pad:clamp(1.1rem,4vw,2.4rem);
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --shadow:0 18px 50px -20px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
section[id]{scroll-margin-top:4.5rem} /* l'ancre tombe sous la nav fixe */
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:clamp(1rem,.55vw + .9rem,1.12rem);line-height:1.65;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.1;letter-spacing:-.01em;margin:0}
a{color:inherit}
sup{font-size:.62em}

/* ---------- Buttons ---------- */
.btn{display:inline-block;background:var(--gold);color:#fff;text-decoration:none;
  padding:.85em 1.5em;border-radius:999px;font-weight:600;border:0;cursor:pointer;
  font-size:1rem;line-height:1;transition:background .2s,transform .2s;white-space:nowrap}
.btn:hover{background:var(--gold-d);transform:translateY(-1px)}
.btn--lg{padding:1.05em 2em;font-size:1.05rem}
.btn--sm{padding:.6em 1.05em;font-size:.9rem}

/* ---------- Nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;gap:1.2rem;
  padding:.7rem var(--pad);transition:background .3s,box-shadow .3s,padding .3s}
.nav__brand{font-family:var(--serif);font-weight:600;font-size:1.05rem;text-decoration:none;color:#fff;margin-right:auto}
.nav__links{display:none;gap:1.35rem}
.nav__links a{text-decoration:none;color:#fff;font-size:.92rem;opacity:.9}
.nav__links a:hover{opacity:1;text-decoration:underline;text-underline-offset:4px}
.nav .btn{display:none}
.nav.is-solid{background:rgba(250,247,242,.94);backdrop-filter:blur(8px);box-shadow:0 1px 0 var(--line)}
.nav.is-solid .nav__brand,.nav.is-solid .nav__links a{color:var(--ink)}
@media(min-width:900px){
  .nav__links{display:flex}
  .nav .btn{display:inline-block}
}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;isolation:isolate}
.hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:-2}
.hero__scrim{position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(0,0,0,.45) 0%,rgba(0,0,0,.05) 32%,rgba(0,0,0,.15) 55%,rgba(0,0,0,.72) 100%)}
.hero__inner{padding:0 var(--pad) clamp(3rem,10vh,6rem);max-width:var(--maxw);margin:0 auto;width:100%}
.hero__eyebrow{text-transform:uppercase;letter-spacing:.22em;font-size:.76rem;font-weight:600;margin:0 0 1rem;opacity:.92}
.hero__title{font-size:clamp(2.3rem,7vw,5rem);text-shadow:0 2px 30px rgba(0,0,0,.35)}
.hero__sub{font-size:clamp(1rem,2.2vw,1.35rem);margin:1.1rem 0 1.8rem;font-weight:500}
.hero__cta{display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap}
.hero__price{font-family:var(--serif);font-size:1.3rem;font-weight:600}
.hero__price em{font-style:normal;opacity:.8;font-size:.85rem;font-weight:400}
.hero__scroll{position:absolute;bottom:1.1rem;left:50%;transform:translateX(-50%);color:#fff;
  text-decoration:none;font-size:1.4rem;opacity:.85;animation:bob 2s infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,7px)}}

/* ---------- Faits ---------- */
.facts{background:var(--ink);color:#fff}
.facts__grid{list-style:none;margin:0 auto;max-width:var(--maxw);padding:clamp(1.6rem,4vw,2.4rem) var(--pad);
  display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem 1rem;text-align:center}
.facts__grid li{display:flex;flex-direction:column;gap:.15rem}
.facts__grid strong{font-family:var(--serif);font-size:clamp(1.5rem,4vw,2.1rem);color:var(--gold)}
.facts__grid span{font-size:.82rem;opacity:.82;letter-spacing:.02em}
@media(min-width:760px){.facts__grid{grid-template-columns:repeat(6,1fr)}}

/* ---------- Sections ---------- */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(3.2rem,9vw,6rem) var(--pad)}
/* Fond pleine largeur SANS casser l'alignement (même largeur/marge que les sections normales) */
.section--alt{background:var(--paper2);box-shadow:0 0 0 100vmax var(--paper2);clip-path:inset(0 -100vmax)}
.section__head{max-width:44rem;margin-bottom:clamp(1.8rem,4vw,2.8rem)}
.kicker{text-transform:uppercase;letter-spacing:.2em;font-size:.76rem;font-weight:700;color:var(--gold);margin:0 0 .7rem}
.section h2{font-size:clamp(1.8rem,4.4vw,3rem)}
.lead{font-size:clamp(1.05rem,1.5vw,1.2rem);color:var(--muted);margin:1rem 0 0}
.lead strong{color:var(--ink)}

/* ---------- Galerie vue (mosaïque masonry, ratio naturel = aucun recadrage) ---------- */
.gallery--wide{--g:.8rem;column-gap:var(--g)}
.gallery__item{margin:0 0 var(--g);overflow:hidden;border-radius:14px;background:var(--paper2);
  break-inside:avoid}
.gallery__item img{width:100%;height:auto;display:block;transition:transform .6s}
.gallery__item:hover img{transform:scale(1.03)}
/* Photo maîtresse en pleine largeur (paysage), le reste en colonnes */
@media(min-width:640px){.gallery--wide{columns:2}}
@media(min-width:1040px){.gallery--wide{columns:3}}
@media(min-width:640px){.gallery__item--xl{column-span:all}
  .gallery__item--xl img{aspect-ratio:21/9;object-fit:cover;object-position:center}}

/* ---------- Espace ---------- */
.espace{display:grid;gap:2rem;align-items:start}
.espace__plan img{border:1px solid var(--line);border-radius:12px;background:#fff;padding:1rem}
.espace__plan figcaption{font-size:.82rem;color:var(--muted);margin-top:.6rem;text-align:center}
.surfaces{width:100%;border-collapse:collapse;font-size:.98rem}
.surfaces th{text-align:left;font-weight:500;padding:.55rem 0;border-bottom:1px solid var(--line)}
.surfaces td{text-align:right;padding:.55rem 0;border-bottom:1px solid var(--line);white-space:nowrap;font-variant-numeric:tabular-nums}
.surfaces__total th,.surfaces__total td{font-weight:700;border-bottom:0;font-size:1.05rem}
.ticks{list-style:none;padding:0;margin:1.4rem 0 0;display:grid;gap:.6rem}
.ticks li{position:relative;padding-left:1.6rem}
.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:.62rem;height:.62rem;
  border:2px solid var(--gold);border-top:0;border-right:0;transform:rotate(-45deg)}
@media(min-width:900px){.espace{grid-template-columns:1fr 1fr;gap:3rem}}

/* ---------- Pièces ---------- */
.rooms{display:grid;grid-template-columns:1fr;gap:.8rem}
.room{position:relative;margin:0;overflow:hidden;border-radius:14px}
.room img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .6s}
.room:hover img{transform:scale(1.04)}
.room figcaption{position:absolute;left:0;bottom:0;right:0;color:#fff;font-family:var(--serif);
  font-size:1.15rem;padding:1.6rem 1rem .9rem;display:flex;align-items:baseline;gap:.5rem;flex-wrap:wrap;
  background:linear-gradient(transparent,rgba(0,0,0,.65))}
.room__count{font-family:var(--sans);font-size:.72rem;font-weight:600;letter-spacing:.03em;
  text-transform:uppercase;opacity:.85;background:rgba(255,255,255,.2);padding:.2em .6em;border-radius:999px}
@media(min-width:700px){.rooms{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.rooms{grid-template-columns:repeat(3,1fr)}}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:.7rem;max-width:52rem}
.faq__item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:.3rem 1.2rem}
.faq__item summary{cursor:pointer;font-family:var(--serif);font-size:1.12rem;padding:.9rem 0;
  list-style:none;position:relative;padding-right:2rem}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";position:absolute;right:.2rem;top:.75rem;font-size:1.4rem;color:var(--gold);transition:transform .2s}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{margin:0 0 1rem;color:var(--muted)}

/* ---------- École / timeline ---------- */
.ecole{margin:0 0 2.4rem}
.ecole img{width:100%;border-radius:14px}
.ecole figcaption{font-size:.85rem;color:var(--muted);margin-top:.6rem;display:flex;gap:.8rem;flex-wrap:wrap;align-items:center}
.tag-us{background:var(--gold);color:#fff;padding:.15em .6em;border-radius:999px;font-weight:600;font-size:.8rem}
.quartier__sub{font-family:var(--serif);font-size:1.45rem;font-weight:600;margin:2.2rem 0 1rem}
.quartier__credit{font-size:.82rem;color:var(--muted);margin-top:1.1rem;line-height:1.6}
.quartier__credit a{color:var(--gold);text-decoration:none;font-weight:600}
.quartier__credit a:hover{text-decoration:underline}
.timeline{list-style:none;padding:0;margin:2rem 0 0;display:grid;gap:0}
.timeline li{display:grid;grid-template-columns:7.5rem 1fr;gap:1rem;padding:1rem 0;border-top:1px solid var(--line)}
.timeline li:last-child{border-bottom:1px solid var(--line)}
.timeline__when{font-family:var(--serif);font-weight:700;color:var(--gold)}
.timeline__what{color:var(--muted)}
@media(max-width:560px){.timeline li{grid-template-columns:1fr;gap:.15rem}}

/* ---------- Transports ---------- */
.transport{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr;gap:.9rem}
.transport li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1rem 1.2rem;
  display:flex;flex-direction:row;align-items:center;gap:.9rem}
.transport li>div{display:flex;flex-direction:column;gap:.15rem;min-width:0}
.transport strong{font-size:1.05rem}
.transport li>div span{color:var(--muted);font-size:.9rem}
/* Badges de lignes (couleurs officielles IDF Mobilités) */
.line{flex:0 0 auto;min-width:2.4rem;height:2.4rem;padding:0 .55rem;display:grid;place-items:center;
  font-family:var(--sans);font-weight:800;font-size:1.02rem;line-height:1;letter-spacing:.01em}
.line--rerc{background:#FFCE00;color:#000;border-radius:50%}
.line--m15{background:#A50034;color:#fff;border-radius:50%}
.line--n{background:#00A092;color:#fff;border-radius:50%}
.line--bus,.line--nav{background:#3b3a37;color:#fff;border-radius:8px;font-size:.7rem;letter-spacing:.06em}
@media(min-width:700px){.transport{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.transport{grid-template-columns:repeat(3,1fr)}}

/* ---------- Copropriété ---------- */
.copro{display:grid;gap:2rem}
.copro__col h3{font-family:var(--serif);font-size:1.2rem;margin:0 0 1rem}
.copro__col h3 em{font-style:normal;font-weight:400;color:var(--muted);font-size:.8rem}
.ticks--todo li::before{border:0;border-radius:50%;width:.5rem;height:.5rem;background:var(--muted);top:.6em;transform:none}
@media(min-width:760px){.copro{grid-template-columns:1fr 1fr;gap:3rem}}

/* ---------- Pour les familles ---------- */
.familles{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr;gap:.9rem}
.familles li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.3rem;display:flex;flex-direction:column;gap:.2rem}
.familles strong{font-size:1.05rem}
.familles span{color:var(--muted);font-size:.92rem}
@media(min-width:700px){.familles{grid-template-columns:repeat(2,1fr)}}

/* ---------- Destinations (transports) ---------- */
.transport__sub{font-family:var(--serif);font-size:1.15rem;margin:2.2rem 0 .9rem}
.dest{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.6rem}
.dest li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.5rem 1rem;font-weight:600;font-size:.95rem}
.dest li em{font-style:normal;font-weight:400;color:var(--muted);font-size:.85em;margin-left:.35rem}

/* ---------- Charges ---------- */
.charges{display:grid;gap:2rem}
.charges__chart h3{font-family:var(--serif);font-size:1.25rem;margin:0 0 1.2rem}
.charges__chart h3 em{font-style:normal;color:var(--muted);font-size:.85rem;font-weight:400}
.bars{list-style:none;padding:0;margin:0;display:grid;gap:.75rem}
.bars li{display:grid;grid-template-columns:1fr;gap:.25rem}
.bars__label{font-size:.9rem}
.bars__val{font-size:.85rem;color:var(--muted);font-variant-numeric:tabular-nums}
.bars__track{grid-column:1;height:.7rem;background:var(--paper2);border-radius:999px;overflow:hidden}
.bars__fill{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold-d));border-radius:999px}
.charges__note{font-size:.86rem;color:var(--muted);margin-top:1.2rem}
.charges__facts{list-style:none;padding:0;margin:0;display:grid;gap:.9rem}
.charges__facts li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.3rem;display:flex;flex-direction:column}
.charges__facts strong{font-family:var(--serif);font-size:1.4rem;color:var(--gold)}
.charges__facts span{color:var(--muted);font-size:.9rem}
@media(min-width:820px){.charges{grid-template-columns:1.7fr 1fr;gap:3rem;align-items:start}}
@media(min-width:560px){.bars li{grid-template-columns:1fr auto;align-items:center;column-gap:1rem}
  .bars__track{grid-column:1/ -1}}

/* ---------- Citation ---------- */
.quote{max-width:46rem;margin:0 auto;text-align:center}
.quote p{font-family:var(--serif);font-size:clamp(1.3rem,3vw,1.9rem);line-height:1.4}
.quote footer{margin-top:1.2rem;color:var(--muted);font-size:.95rem}

/* ---------- Formulaire ---------- */
.form{max-width:40rem;display:grid;gap:1rem}
.form label{display:grid;gap:.35rem;font-size:.9rem;font-weight:600}
.form__row{display:grid;gap:1rem}
.form input,.form textarea,.form select{font:inherit;padding:.8em .9em;border:1px solid var(--line);border-radius:10px;background:#fff;width:100%}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--gold);border-color:transparent}
.form__legal{font-size:.8rem;color:var(--muted);font-weight:400;margin:.2rem 0 0}
.form .btn{justify-self:start}
@media(min-width:600px){.form__row{grid-template-columns:1fr 1fr}}

/* ---------- Footer ---------- */
.foot{background:var(--ink);color:#fff;padding:clamp(2.6rem,6vw,4rem) var(--pad) 6.5rem}
.foot__grid{max-width:var(--maxw);margin:0 auto;display:grid;gap:1.6rem;justify-content:space-between}
.foot__brand{font-family:var(--serif);font-size:1.15rem;margin:0 0 .3rem}
.foot p{margin:.2rem 0;opacity:.85;font-size:.92rem}
.dpe{display:flex;gap:.5rem;margin-top:.5rem!important}
.dpe span{padding:.3em .7em;border-radius:6px;font-weight:700;font-size:.85rem;opacity:1}
.dpe__e{background:#fbfe06;color:#000}
.dpe__g{background:#8fc9e8;color:#000}
.foot__small{font-size:.74rem;opacity:.62;margin-top:.7rem!important;line-height:1.5;max-width:34rem}
.foot__small strong{opacity:.85}
.foot__legal{max-width:var(--maxw);margin:2rem auto 0;font-size:.78rem;opacity:.6}
.foot__cta{margin-top:1.6rem}
@media(min-width:700px){.foot__grid{grid-template-columns:1fr auto}}

/* ---------- Sticky CTA (mobile) ---------- */
.sticky-cta{position:fixed;left:1rem;right:1rem;bottom:1rem;z-index:40;text-align:center;
  background:var(--gold);color:#fff;text-decoration:none;font-weight:600;padding:1em;border-radius:999px;
  box-shadow:var(--shadow);transform:translateY(150%);transition:transform .3s;opacity:.98}
.sticky-cta.is-visible{transform:translateY(0)}
@media(min-width:900px){.sticky-cta{display:none}}

/* ---------- Honeypot & erreur formulaire ---------- */
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
.form__error{background:#fbeaea;border:1px solid #e6b3b3;color:#8a2b2b;border-radius:10px;
  padding:.8rem 1rem;max-width:40rem;font-size:.92rem;margin:0 0 1.2rem}

/* ---------- Visite vidéo ---------- */
.video{position:relative;max-width:900px;margin:0 auto;aspect-ratio:16/9;border-radius:14px;
  overflow:hidden;background:#000;box-shadow:var(--shadow)}
.video iframe,.video__play{position:absolute;inset:0;width:100%;height:100%;border:0}
.video__play{padding:0;cursor:pointer;background:#000}
.video__play img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:opacity .3s,transform .6s}
.video__play:hover img{opacity:1;transform:scale(1.03)}
.video__btn{position:absolute;inset:0;margin:auto;width:76px;height:76px;display:grid;place-items:center;
  background:rgba(176,128,58,.92);color:#fff;border-radius:50%;font-size:1.6rem;padding-left:5px;
  box-shadow:0 10px 30px rgba(0,0,0,.4);pointer-events:none}

/* ---------- Lightbox ---------- */
.hint{font-style:italic;opacity:.7;font-size:.92em}
[data-gallery]{cursor:zoom-in}
.lb{position:fixed;inset:0;z-index:100;background:rgba(16,14,11,.95);display:none;
  align-items:center;justify-content:center;padding:1.2rem}
.lb.is-open{display:flex}
.lb__img{max-width:min(1280px,94vw);max-height:86vh;border-radius:8px;box-shadow:0 24px 70px rgba(0,0,0,.55)}
.lb__cap{position:absolute;bottom:1rem;left:0;right:0;text-align:center;color:#fff;
  font-family:var(--serif);font-size:1.02rem;padding:0 1rem;text-shadow:0 1px 8px rgba(0,0,0,.6)}
.lb__count{position:absolute;top:1.1rem;left:1.2rem;color:#fff;opacity:.75;font-size:.9rem;font-variant-numeric:tabular-nums}
.lb__btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.13);color:#fff;
  border:0;width:52px;height:52px;border-radius:50%;font-size:1.7rem;line-height:1;cursor:pointer;transition:background .2s}
.lb__btn:hover{background:rgba(255,255,255,.25)}
.lb__prev{left:1rem}.lb__next{right:1rem}
.lb__close{position:absolute;top:.7rem;right:1.1rem;background:none;border:0;color:#fff;font-size:2.2rem;line-height:1;cursor:pointer;opacity:.85}
.lb__close:hover{opacity:1}
.lb[data-single="1"] .lb__btn,.lb[data-single="1"] .lb__count{display:none}
@media(max-width:600px){.lb__btn{width:44px;height:44px;font-size:1.4rem}}

/* ---------- Notre histoire (storytelling) ---------- */
.story{display:grid;gap:2rem;align-items:start}
.story__text p{margin:0 0 1.1rem;font-size:clamp(1.05rem,1.4vw,1.18rem)}
.story__text p:last-child{margin-bottom:0}
.story__quote{margin:0;padding:1.4rem 1.6rem;background:#fff;border-left:4px solid var(--gold);
  border-radius:0 12px 12px 0;box-shadow:var(--shadow)}
.story__quote p{font-family:var(--serif);font-size:1.22rem;line-height:1.5;margin:0 0 .8rem}
.story__quote footer{color:var(--muted);font-size:.95rem}
@media(min-width:860px){.story{grid-template-columns:1.5fr 1fr;gap:3rem}}

/* ---------- Financement ---------- */
.finance{margin-top:2.6rem;background:#fff;border:1px solid var(--line);border-radius:14px;padding:clamp(1.2rem,3vw,1.8rem)}
.finance h3{font-family:var(--serif);font-size:1.35rem;margin:0 0 .5rem}
.finance__lead{color:var(--muted);font-size:.96rem;margin:0 0 1.3rem}
.finance__calc{display:grid;gap:.8rem;grid-template-columns:1fr}
.finance__calc label{display:flex;align-items:center;justify-content:space-between;gap:.6rem;
  font-weight:600;font-size:.95rem;background:var(--paper2);padding:.55rem .9rem;border-radius:10px}
.finance__calc input{width:5.5rem;font:inherit;text-align:right;border:1px solid var(--line);
  border-radius:8px;padding:.35em .5em;background:#fff;margin-left:.4rem}
.finance__result{font-family:var(--serif);font-size:clamp(2rem,5vw,2.6rem);color:var(--gold);margin:1.3rem 0 .2rem;line-height:1}
.finance__result em{font-style:normal;font-size:1rem;color:var(--muted)}
.finance__note{font-size:.78rem;color:var(--muted);margin:0;line-height:1.6}
@media(min-width:620px){.finance__calc{grid-template-columns:repeat(3,1fr)}}

/* ---------- Carte ---------- */
.map{margin-top:2.2rem;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--paper2)}
.map iframe{width:100%;height:clamp(280px,42vw,400px);border:0;display:block}
.map__note{font-size:.86rem;color:var(--muted);margin:.7rem 0 0}
.map__note a{color:var(--gold);text-decoration:none;font-weight:600;white-space:nowrap}
.map__note a:hover{text-decoration:underline}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero__scroll{animation:none}
  html{scroll-behavior:auto}
}