/* ============================================================
   Hôtel de Calvières — Montfrin
   Charte : bleu nuit #0e1e3c · pierre #e8edec · blanc cassé
   ============================================================ */

:root{
  --navy:#0e1e3c;
  --navy-2:#16294c;
  --stone:#e8edec;
  --paper:#fdfcfa;
  --ink:#1c2430;
  --ink-soft:#5a6675;
  --line:#d8dee1;
  --accent:#c08a4e;
  --shadow:0 18px 50px rgba(14,30,60,.13);
  --shadow-sm:0 6px 18px rgba(14,30,60,.09);
  --serif:"Didot","Playfair Display","Iowan Old Style",Georgia,"Times New Roman",serif;
  --sans:"Helvetica Neue",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --wrap:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;margin:0}
h2{font-size:clamp(2rem,4.4vw,3.25rem);line-height:1.06;color:var(--navy)}
h3{font-size:clamp(1.25rem,2.2vw,1.6rem);color:var(--navy)}
p{margin:0 0 1.1em}
.wrap{width:min(var(--wrap),calc(100% - 2.5rem));margin-inline:auto}

.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;
  padding:.75rem 1.25rem;z-index:200;
}
.skip-link:focus{left:0}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ─────────── Eyebrow / titres ─────────── */
.eyebrow{
  font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-soft);margin:0 0 .9rem;font-weight:600;
}
.eyebrow--light{color:rgba(255,255,255,.72)}

.section{padding:clamp(4rem,9vw,7.5rem) 0}
.section--tint{background:var(--stone)}
.section--dark{background:var(--navy);color:#eef1f5}
.section--dark h2,.section--dark h3{color:#fff}
.section__head{max-width:56ch;margin-bottom:clamp(2.2rem,5vw,3.5rem)}
.section__head h2::after{
  content:"";display:block;width:104px;height:3px;background:var(--navy);
  margin-top:1.15rem;
}
.section__head--light h2::after{background:rgba(255,255,255,.7)}
.section__intro{margin-top:1.4rem;color:var(--ink-soft)}
.section--dark .section__intro{color:rgba(255,255,255,.75)}
.lead{font-size:1.12rem}

/* ─────────── Boutons ─────────── */
.btn{
  display:inline-block;padding:.95rem 1.9rem;border:1px solid transparent;
  font-size:.83rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;
  text-decoration:none;cursor:pointer;transition:all .3s var(--ease);
  background:none;font-family:var(--sans);
}
.btn--primary{background:var(--navy);color:#fff}
.btn--primary:hover{background:var(--navy-2);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn--ghost{border-color:rgba(255,255,255,.65);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--outline{border-color:var(--navy);color:var(--navy)}
.btn--outline:hover{background:var(--navy);color:#fff}
.btn--full{width:100%}

/* ─────────── Navigation ─────────── */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(253,252,250,0);
  transition:background .35s var(--ease),box-shadow .35s var(--ease),padding .35s var(--ease);
  padding:.35rem 0;
}
.nav.is-stuck{background:rgba(253,252,250,.96);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
.nav__inner{
  width:min(var(--wrap),calc(100% - 2.5rem));margin-inline:auto;
  display:flex;align-items:center;justify-content:space-between;gap:2rem;
  padding:.85rem 0;
}
.nav__brand{text-decoration:none;display:flex;flex-direction:column;line-height:1.15}
.nav__brand-mark{font-family:var(--serif);font-size:1.22rem;color:#fff;transition:color .35s}
.nav__brand-sub{font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.7);transition:color .35s}
.nav.is-stuck .nav__brand-mark{color:var(--navy)}
.nav.is-stuck .nav__brand-sub{color:var(--ink-soft)}

.nav__links{display:flex;align-items:center;gap:1.85rem}
.nav__links a{
  text-decoration:none;font-size:.82rem;letter-spacing:.08em;color:rgba(255,255,255,.88);
  position:relative;padding:.35rem 0;transition:color .3s;
}
.nav.is-stuck .nav__links a{color:var(--ink)}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:currentColor;
  transition:width .3s var(--ease);
}
.nav__links a:hover::after,.nav__links a.is-current::after{width:100%}
.nav__cta{
  border:1px solid rgba(255,255,255,.6);padding:.6rem 1.2rem!important;
  text-transform:uppercase;font-weight:600;font-size:.72rem!important;letter-spacing:.14em!important;
}
.nav__cta::after{display:none}
.nav.is-stuck .nav__cta{border-color:var(--navy);background:var(--navy);color:#fff!important}
.nav__cta:hover{background:rgba(255,255,255,.14)}
.nav.is-stuck .nav__cta:hover{background:var(--navy-2)}

.nav__burger{display:none;background:none;border:0;cursor:pointer;padding:.5rem;width:44px;height:44px}
.nav__burger span{display:block;height:2px;background:#fff;margin:5px 0;transition:.3s var(--ease)}
.nav.is-stuck .nav__burger span{background:var(--navy)}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav__progress{height:2px;background:var(--accent);width:0;transition:width .1s linear}

/* ─────────── Hero ─────────── */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  color:#fff;overflow:hidden;
}
.hero__media{position:absolute;inset:0}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center 42%;transform:scale(1.06)}
.hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(9,17,34,.9) 0%,rgba(9,17,34,.72) 42%,rgba(9,17,34,.35) 100%);
}
.hero__content{position:relative;width:min(var(--wrap),calc(100% - 2.5rem));margin-inline:auto;padding:9rem 0 7rem;max-width:min(var(--wrap),100%)}
.hero h1{
  font-size:clamp(2.7rem,7.4vw,5.6rem);line-height:.98;color:#fff;max-width:16ch;
}
.hero h1 span{display:block;font-style:italic;opacity:.92}
.hero__lead{max-width:52ch;margin-top:1.8rem;font-size:clamp(1rem,1.6vw,1.18rem);color:rgba(255,255,255,.88)}
.hero__actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.4rem}
.hero__scroll{
  position:absolute;bottom:2.2rem;left:50%;transform:translateX(-50%);
  width:26px;height:42px;border:1px solid rgba(255,255,255,.55);border-radius:14px;
}
.hero__scroll span{
  position:absolute;top:8px;left:50%;width:3px;height:7px;background:#fff;border-radius:2px;
  transform:translateX(-50%);animation:scrolldot 1.8s infinite;
}
@keyframes scrolldot{0%{opacity:0;transform:translate(-50%,0)}30%{opacity:1}100%{opacity:0;transform:translate(-50%,15px)}}

/* ─────────── Chiffres ─────────── */
.figures{background:var(--navy);color:#fff;padding:clamp(2.5rem,5vw,3.6rem) 0}
.figures__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center}
.figure{padding:.6rem 1rem;border-left:1px solid rgba(255,255,255,.16)}
.figure:first-child{border-left:0}
.figure__value{display:block;font-family:var(--serif);font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.1}
.figure__label{display:block;margin-top:.5rem;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.66)}

/* ─────────── Split (description) ─────────── */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.split__figure figcaption,.plans figcaption,.situation figcaption{
  margin-top:.8rem;font-size:.82rem;color:var(--ink-soft);
}
.split__figure{margin:0}

.entities{list-style:none;padding:0;margin:2rem 0 0;display:grid;gap:1rem}
.entities li{display:flex;gap:1rem;align-items:flex-start}
.entities__key{
  flex:0 0 34px;height:34px;display:grid;place-items:center;
  background:var(--navy);color:#fff;font-family:var(--serif);font-size:1.05rem;
}
.ticks{list-style:none;padding:0;margin:1.5rem 0;display:grid;gap:.7rem}
.ticks li{padding-left:1.6rem;position:relative}
.ticks li::before{
  content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;
  border:1px solid var(--navy);transform:rotate(45deg);
}

/* ─────────── Images cliquables ─────────── */
.zoomable{
  display:block;padding:0;border:0;background:none;cursor:zoom-in;width:100%;
  overflow:hidden;position:relative;
}
.zoomable img{transition:transform .7s var(--ease);width:100%}
.zoomable:hover img{transform:scale(1.045)}
.zoomable::after{
  content:"＋";position:absolute;right:.7rem;bottom:.7rem;width:34px;height:34px;
  display:grid;place-items:center;background:rgba(14,30,60,.82);color:#fff;font-size:1rem;
  opacity:0;transition:opacity .3s;
}
.zoomable:hover::after{opacity:1}

/* ─────────── Onglets immeubles ─────────── */
.tabs__list{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:2.2rem}
.tabs__btn{
  font-family:var(--sans);background:none;border:1px solid var(--line);
  padding:.9rem 1.6rem;cursor:pointer;font-size:.86rem;letter-spacing:.06em;
  color:var(--ink-soft);transition:all .3s var(--ease);
}
.tabs__btn em{font-style:normal;opacity:.7;margin-left:.45rem}
.tabs__btn:hover{border-color:var(--navy);color:var(--navy)}
.tabs__btn.is-active{background:var(--navy);border-color:var(--navy);color:#fff}
.tabs__btn.is-active em{opacity:.8}
.tabs__panel[hidden]{display:none}
.tabs__panel{animation:fade .5s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

.panel{
  display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(1.8rem,4vw,3.5rem);
  background:var(--paper);padding:clamp(1.6rem,3.5vw,2.8rem);box-shadow:var(--shadow-sm);align-items:start;
}
.panel__media{display:grid;gap:1rem}
.panel__media--quad{grid-template-columns:1fr 1fr}
.panel__media img{aspect-ratio:4/3;object-fit:cover}
.panel__media--quad img{aspect-ratio:3/4}

.surfaces{width:100%;border-collapse:collapse;margin:1.6rem 0 .6rem;font-size:.95rem}
.surfaces caption{
  text-align:left;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-soft);padding-bottom:.7rem;
}
.surfaces th,.surfaces td{padding:.72rem .4rem;border-bottom:1px solid var(--line);text-align:left}
.surfaces td{text-align:right;font-variant-numeric:tabular-nums}
.surfaces thead th{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);font-weight:600}
.surfaces thead th:last-child{text-align:right}
.surfaces tbody th{font-weight:400}
.surfaces tfoot th,.surfaces tfoot td{
  border-bottom:0;border-top:2px solid var(--navy);font-weight:700;color:var(--navy);padding-top:.9rem;
}
.note{font-size:.86rem;color:var(--ink-soft)}

/* ─────────── Visite 3D ─────────── */
.visit{
  margin-top:clamp(2.5rem,5vw,4rem);background:var(--navy);color:#fff;
  display:grid;grid-template-columns:1.4fr .6fr;gap:clamp(1.5rem,4vw,3rem);
  padding:clamp(1.8rem,4vw,3rem);align-items:center;
}
.visit h3{color:#fff}
.visit p{color:rgba(255,255,255,.8);margin-bottom:.8rem}
.visit__code{font-size:1.05rem;color:#fff!important}
.visit__code strong{letter-spacing:.18em}
.visit__qr{text-align:center}
.visit__qr img{background:#fff;padding:.9rem;width:100%;max-width:210px;margin-inline:auto}
.visit__qr span{display:block;margin-top:.7rem;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.65)}

/* ─────────── Plans ─────────── */
.plans{display:grid;gap:2rem}
.plans figure{margin:0;background:#fff;padding:1.2rem;box-shadow:var(--shadow-sm)}
.plans__pair{display:grid;grid-template-columns:1fr 1fr;gap:2rem}

/* ─────────── Galerie ─────────── */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem}
.gallery .zoomable img{aspect-ratio:3/4;object-fit:cover;filter:saturate(.94)}
.gallery .zoomable:nth-child(1),.gallery .zoomable:nth-child(6){grid-row:span 2}
.gallery .zoomable:nth-child(1) img,.gallery .zoomable:nth-child(6) img{aspect-ratio:3/8.2}

/* ─────────── Situation ─────────── */
.situation{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:clamp(1.5rem,3.5vw,2.5rem);align-items:start}
.situation__card{background:var(--stone);padding:clamp(1.5rem,3vw,2.2rem)}
.situation__card address{font-style:normal;font-size:1.1rem;margin:.8rem 0 1.4rem;line-height:1.55}
.facts{list-style:none;padding:0;margin:0 0 1.8rem;display:grid;gap:.6rem;font-size:.95rem}
.facts li{padding-left:1.2rem;position:relative;color:var(--ink-soft)}
.facts li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--navy)}
.situation figure{margin:0;background:#fff;padding:1rem;box-shadow:var(--shadow-sm)}

/* ─────────── Marché ─────────── */
.market{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.market__card{background:#fff;padding:clamp(1.4rem,3vw,2rem);box-shadow:var(--shadow-sm);border-top:3px solid var(--navy)}
.market__date{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.35rem}
.market__type{font-family:var(--serif);font-size:1.3rem;color:var(--navy);margin-bottom:.5rem}
.market__value{font-family:var(--serif);font-size:2.3rem;line-height:1.1;color:var(--navy);margin-bottom:1rem}
.market__value span{display:block;font-family:var(--sans);font-size:.78rem;letter-spacing:.1em;color:var(--ink-soft);margin-top:.25rem}
.market__range{display:flex;gap:1.2rem;font-size:.87rem;color:var(--ink-soft);border-top:1px solid var(--line);padding-top:.9rem}
.market__range strong{color:var(--ink)}
.market__rel{font-size:.78rem;color:var(--ink-soft);margin:.7rem 0 0}
.source{margin-top:1.6rem;font-size:.84rem;color:var(--ink-soft)}

/* ─────────── Contact ─────────── */
.contact{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.contact__aside p{color:rgba(255,255,255,.78)}
.contact__aside h2{margin-bottom:1.3rem}
.contact__list{list-style:none;padding:0;margin:2.2rem 0 0;display:grid;gap:1.15rem}
.contact__list li{display:grid;gap:.15rem;border-top:1px solid rgba(255,255,255,.16);padding-top:1.1rem}
.contact__label{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.contact__value{font-size:1.05rem;color:#fff;text-decoration:none}
a.contact__value:hover{text-decoration:underline}

.contact__form{background:var(--paper);padding:clamp(1.6rem,3.5vw,2.6rem);box-shadow:var(--shadow)}
.field{margin-bottom:1.2rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
label{display:block;font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.45rem;font-weight:600}
input[type=text],input[type=email],input[type=tel],select,textarea{
  width:100%;padding:.85rem .9rem;border:1px solid var(--line);background:#fff;
  font-family:var(--sans);font-size:.98rem;color:var(--ink);border-radius:0;
  transition:border-color .25s,box-shadow .25s;
}
textarea{resize:vertical;min-height:130px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(14,30,60,.08)}
.field--check{display:grid;grid-template-columns:auto 1fr;gap:.7rem;align-items:start}
.field--check label{text-transform:none;letter-spacing:0;font-size:.86rem;font-weight:400;color:var(--ink-soft);margin:0;line-height:1.5}
.field--check input{margin-top:.25rem;width:17px;height:17px;accent-color:var(--navy)}
.field--check .error{grid-column:1/-1}
.error{min-height:0;margin:.35rem 0 0;font-size:.8rem;color:#a3231f}
.field.is-invalid input,.field.is-invalid textarea,.field.is-invalid select{border-color:#a3231f}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{margin:1rem 0 0;font-size:.92rem}
.form-status.is-ok{color:#1d6b3f}
.form-status.is-err{color:#a3231f}
button[disabled]{opacity:.6;cursor:progress}

/* ─────────── Footer ─────────── */
.footer{background:#0a1730;color:rgba(255,255,255,.68);padding:3.5rem 0 2.5rem;font-size:.88rem}
.footer__inner{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.footer p{margin:0 0 .35rem}
.footer a{color:#fff;text-decoration:none}
.footer a:hover{text-decoration:underline}
.footer__brand{font-family:var(--serif);font-size:1.25rem;color:#fff;margin-bottom:.5rem}
.footer__legal{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.13);padding-top:1.5rem;margin-top:1rem;font-size:.78rem;color:rgba(255,255,255,.45)}

/* ─────────── Lightbox ─────────── */
.lightbox{
  position:fixed;inset:0;z-index:300;background:rgba(8,14,26,.96);
  display:flex;align-items:center;justify-content:center;padding:clamp(1rem,4vw,3rem);
  animation:fade .25s var(--ease);
}
.lightbox[hidden]{display:none}
.lightbox__figure{margin:0;max-width:min(1100px,92vw);text-align:center}
.lightbox__figure img{max-height:80vh;width:auto;margin-inline:auto;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lightbox__figure figcaption{color:rgba(255,255,255,.78);margin-top:1rem;font-size:.9rem}
.lightbox__close{
  position:absolute;top:1.1rem;right:1.4rem;background:none;border:0;color:#fff;
  font-size:2.4rem;line-height:1;cursor:pointer;padding:.3rem .7rem;
}
.lightbox__nav{
  position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.08);
  border:0;color:#fff;font-size:2.6rem;line-height:1;cursor:pointer;
  width:56px;height:56px;display:grid;place-items:center;transition:background .25s;
}
.lightbox__nav:hover{background:rgba(255,255,255,.2)}
.lightbox__nav--prev{left:1rem}
.lightbox__nav--next{right:1rem}
.lightbox__counter{
  position:absolute;bottom:1.4rem;left:50%;transform:translateX(-50%);
  color:rgba(255,255,255,.6);font-size:.8rem;letter-spacing:.18em;
}

/* ─────────── Reveal ─────────── */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ─────────── Responsive ─────────── */
@media (max-width:1000px){
  .split,.panel,.contact,.situation{grid-template-columns:1fr}
  .situation__map{max-width:520px}
  .market{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .gallery .zoomable:nth-child(1) img,.gallery .zoomable:nth-child(6) img{aspect-ratio:3/8.2}
  .figures__grid{grid-template-columns:repeat(2,1fr);gap:1.8rem}
  .figure:nth-child(3){border-left:0}
  .visit{grid-template-columns:1fr;text-align:center}
  .visit__qr img{max-width:180px}
}
@media (max-width:820px){
  body{font-size:16px}
  .nav__burger{display:block}
  .nav__links{
    position:fixed;inset:0 0 auto 0;top:0;padding:6rem 1.6rem 2.4rem;
    background:var(--navy);flex-direction:column;align-items:flex-start;gap:1.4rem;
    transform:translateY(-102%);transition:transform .45s var(--ease);
  }
  .nav__links.is-open{transform:none}
  .nav__links a,.nav.is-stuck .nav__links a{color:#fff;font-size:1.05rem}
  .nav__cta,.nav.is-stuck .nav__cta{border-color:rgba(255,255,255,.6);background:none;color:#fff!important}
  .plans__pair{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gallery .zoomable:nth-child(1),.gallery .zoomable:nth-child(6){grid-row:span 1}
  .gallery .zoomable:nth-child(1) img,.gallery .zoomable:nth-child(6) img{aspect-ratio:3/4}
  .footer__inner{grid-template-columns:1fr}
  .lightbox__nav{width:44px;height:44px;font-size:2rem}
  .hero__content{padding:8rem 0 6rem}
}
@media (max-width:520px){
  .panel__media--quad{grid-template-columns:1fr}
  .panel__media--quad img{aspect-ratio:4/3}
  .figures__grid{grid-template-columns:1fr}
  .figure{border-left:0}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

@media print{
  .nav,.hero__scroll,.lightbox,.contact__form{display:none}
  .section--dark,.figures{background:#fff;color:#000}
}