/* Chaux : architecture d'intérieur (maquette). Une famille : Ysabeau, variable 1–1000. */
@font-face{font-family:Ysabeau;src:url(fonts/ysabeau.woff2) format("woff2");font-weight:1 1000;font-style:normal;font-display:swap}
@font-face{font-family:Ysabeau;src:url(fonts/ysabeau-italic.woff2) format("woff2");font-weight:1 1000;font-style:italic;font-display:swap}

:root{
  --lait:#f2eee6;      /* lait de chaux : fond */
  --lait-2:#e9e3d8;    /* lait plus tiré : sections */
  --pierre:#d8d1c4;    /* pierre : filets, surfaces */
  --iroko:#a07a52;     /* bois : accents décoratifs, jamais du texte courant */
  --encre:#22201c;     /* texte */
  --encre-2:#57514a;   /* texte secondaire (AA sur lait) */
  --action:#3f4a3c;    /* vert de gris : boutons seulement */
  --action-h:#323b30;
  --err:#7c2f1d;
  --hd:68px;
  --gut:clamp(16px,4vw,56px);
  --ease:cubic-bezier(.22,.61,.24,1);
  --ease-s:cubic-bezier(.65,0,.25,1);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-padding-top:var(--hd);-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--lait);color:var(--encre);font-family:Ysabeau,"Optima","Candara",sans-serif;font-weight:400;font-size:clamp(16px,1.02rem + .12vw,18px);line-height:1.6;font-variant-numeric:oldstyle-nums proportional-nums;font-optical-sizing:auto;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
picture{display:block}
a{color:inherit}
h1,h2,h3{font-weight:200;line-height:1.04;margin:0;letter-spacing:-.012em;font-variant-numeric:lining-nums}
p{margin:0}
em{font-style:italic;font-weight:300}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--encre);outline-offset:3px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:fixed;left:12px;top:-60px;z-index:100;background:var(--encre);color:var(--lait);padding:10px 16px;text-decoration:none;transition:top .2s}
.skip:focus{top:12px}

.label{font-size:.74rem;font-weight:560;letter-spacing:.2em;text-transform:uppercase;color:var(--encre-2);font-variant-numeric:lining-nums}
.small{font-size:.86rem;color:var(--encre-2);letter-spacing:.01em}
.btn{display:inline-flex;align-items:center;gap:.6em;background:var(--action);color:#f4f1ea;text-decoration:none;border:0;border-radius:2px;padding:.92em 1.5em;font-weight:560;font-size:.92rem;letter-spacing:.04em;cursor:pointer;position:relative;overflow:hidden;isolation:isolate;transition:background-color .4s var(--ease)}
.btn::after{content:"";position:absolute;inset:0;background:var(--action-h);transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease);z-index:-1}
.btn:hover::after,.btn:focus-visible::after{transform:scaleX(1)}
.btn-sm{padding:.66em 1.15em;font-size:.84rem}
.link{background:none;border:0;padding:.2em 0;cursor:pointer;text-decoration:none;font-weight:500;letter-spacing:.02em;background-image:linear-gradient(currentColor,currentColor);background-size:100% 1px;background-position:0 100%;background-repeat:no-repeat;transition:background-size .5s var(--ease)}
.link:hover{background-size:0 1px;background-position:100% 100%}

/* En-tête */
.top{position:fixed;inset:0 0 auto;z-index:50;height:var(--hd);display:flex;align-items:center;gap:clamp(16px,3vw,44px);padding:0 var(--gut);transition:transform .6s var(--ease),color .4s}
.top::before{content:"";position:absolute;inset:0;background:var(--lait);border-bottom:1px solid rgba(34,32,28,.1);opacity:0;transition:opacity .5s var(--ease);z-index:-1}
.top.solid::before{opacity:1}
.top.over:not(.solid){color:#f6f2ea}
.top.over:not(.solid) .menu-btn{border-color:rgba(246,242,234,.6)}
.top.away{transform:translateY(-100%)}
.mark{font-size:1.32rem;font-weight:300;letter-spacing:.36em;text-transform:uppercase;text-decoration:none;margin-right:auto;padding-left:.02em}
.nav{display:flex;gap:clamp(16px,2.4vw,34px)}
.nav a{text-decoration:none;font-size:.9rem;font-weight:460;letter-spacing:.03em;position:relative;padding:.3em 0}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.nav a:hover::after,.nav a.cur::after{transform:scaleX(1);transform-origin:left}
.menu-btn{display:none;background:none;border:1px solid rgba(34,32,28,.35);border-radius:2px;padding:.5em .9em;font-size:.84rem;font-weight:500;letter-spacing:.06em;cursor:pointer}

/* Ouverture */
.hero{position:relative;height:100vh;height:100svh;min-height:560px;overflow:hidden;background:var(--pierre)}
.hero-img,.hero-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-img img{object-position:50% 50%}
.hero-img{will-change:transform}
.hero-text{will-change:transform,opacity}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,14,.55) 0,rgba(20,18,14,.18) 12%,rgba(20,18,14,0) 24%),linear-gradient(20deg,rgba(20,18,14,.84) 0,rgba(20,18,14,.56) 40%,rgba(20,18,14,.12) 70%,rgba(20,18,14,0) 82%);pointer-events:none;z-index:1}
.hero-text{color:#f6f2ea}
.hero-text{position:absolute;left:var(--gut);bottom:clamp(40px,9vh,96px);max-width:min(640px,52vw);z-index:2}
.hero h1{font-size:clamp(3rem,7.2vw,7.4rem);font-weight:160;letter-spacing:-.025em;line-height:.96;margin:.32em 0 .38em}
.hero h1 .ln{display:block}
.hero-sub{font-size:1.08rem;max-width:30em;color:#efe9de}
.hero .link{color:#f6f2ea}
.hero-act{display:flex;align-items:center;gap:28px;margin-top:28px;flex-wrap:wrap}
.hero .eyebrow{font-size:.76rem;font-weight:560;letter-spacing:.2em;text-transform:uppercase;color:#e8e1d4}
.js .hero-text>*{opacity:0;transform:translateY(14px)}
.js .hero h1 .ln{opacity:0;transform:translateY(.28em)}
.hero.on .hero-text>*,.hero.on h1 .ln{opacity:1;transform:none;transition:opacity 1.3s var(--ease),transform 1.5s var(--ease)}
.hero.on h1 .ln:nth-child(2){transition-delay:.14s}
.hero.on .hero-sub{transition-delay:.32s}.hero.on .hero-act{transition-delay:.46s}

/* rideau d'entrée : lait de chaux balayé par la brosse */
.veil{display:none}
.js.intro .veil{display:block;position:fixed;inset:0;z-index:90;pointer-events:none;overflow:hidden;animation:veil-safe 0s 7s forwards}
@keyframes veil-safe{to{visibility:hidden}}
.veil-in{position:absolute;top:0;bottom:0;left:0;width:140vw;display:flex;transform:translateX(-40vw);will-change:transform}
.veil-c{display:block;width:40vw;height:100%;flex:none;background-size:100% 100%}
.veil-in i{flex:1;background:var(--lait)}
.veil-mark{position:absolute;inset:0;display:grid;place-items:center;font-size:1.5rem;font-weight:240;letter-spacing:.5em;text-transform:uppercase;padding-left:.5em;transition:opacity .6s var(--ease)}
.veil.go .veil-mark{opacity:0}
/* Récit */
.recit{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.8fr);gap:clamp(32px,6vw,110px);padding:clamp(96px,14vh,150px) var(--gut) clamp(90px,12vh,140px);align-items:end;max-width:1500px;margin:0 auto}
.lead{font-size:clamp(1.6rem,1.1rem + 1.7vw,2.7rem);font-weight:220;line-height:1.24;letter-spacing:-.008em;margin:24px 0 48px;max-width:24em}
.lead .w{opacity:.14;transition:opacity .9s var(--ease)}
.lead .w.on{opacity:1}
.recit-cols{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:44em;color:#36322c}
.recit-fig{margin:0}
.recit-fig .frame{aspect-ratio:4/5}
figcaption{font-size:.84rem;color:var(--encre-2);margin-top:12px;letter-spacing:.01em}
.frame{position:relative;overflow:hidden;background:var(--pierre)}
.frame img{width:100%;height:100%;object-fit:cover}
/* rideau de révélation : en transform, jamais clip-path animé */
.js .rv-frame .frame::after,.js .step .frame::after{content:"";position:absolute;inset:0;background:var(--lait);transform-origin:50% 0;transition:transform 1.4s var(--ease-s)}
.js .rv-frame .frame img,.js .step .frame img{transform:scale(1.06);transition:transform 2.2s var(--ease)}
.js .rv-frame.on .frame::after,.js .step.on .frame::after{transform:scaleY(0)}
.js .rv-frame.on .frame img,.js .step.on .frame img{transform:none}

/* Acte 1 : la visite. Une double page : la photo à gauche, la légende à droite, sur le lait. */
.visite{position:relative;height:calc(100svh + 4 * 240svh);background:var(--lait)}
.stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;contain:strict;display:grid;grid-template-columns:auto minmax(0,1fr);gap:clamp(32px,4.4vw,80px);padding:clamp(24px,5vh,52px) var(--gut);-webkit-touch-callout:none;user-select:none;-webkit-user-select:none}
.v-frame{position:relative;height:100%;aspect-ratio:1.15/1;max-width:60vw;overflow:hidden;background:var(--pierre);touch-action:pan-y}
.rooms{position:absolute;inset:0}
.room{position:absolute;inset:0;overflow:hidden;visibility:hidden;will-change:transform}
.room.vis{visibility:visible}
.turn{position:absolute;inset:0;will-change:transform}
.ph,.ph img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover}
.mask{position:absolute;left:0;top:0;overflow:hidden;transform-origin:0 0;will-change:transform;transition:opacity .8s var(--ease)}
.mask .after{transform-origin:0 0;will-change:transform}
.room.peek .mask{opacity:0}
.band{position:absolute;left:0;top:0;transform-origin:0 0;will-change:transform;pointer-events:none}
.v-col{display:flex;flex-direction:column;justify-content:center;min-width:0;max-width:30rem;padding:8px 0}
.v-title{font-size:clamp(1.35rem,.9rem + 1vw,1.9rem);font-weight:240;line-height:1.22;margin:12px 0 0;max-width:17em}
.v-room{margin-top:clamp(22px,4.5vh,48px);padding-top:clamp(18px,3vh,30px);border-top:1px solid rgba(34,32,28,.16)}
.v-head{display:flex;gap:20px;align-items:flex-start;justify-content:space-between}
.v-txt{min-width:0;transition:opacity .5s var(--ease),transform .6s var(--ease)}
.v-txt.swap,.v-state.swap .v-say,.works.swap{opacity:0;transform:translateY(8px)}
.room-name{font-size:clamp(2.2rem,1.3rem + 2.4vw,3.6rem);font-weight:150;letter-spacing:-.02em}
.room-meta{font-size:.86rem;color:var(--encre-2);margin-top:10px}
.plan{width:clamp(92px,8vw,124px);flex:none;overflow:visible;margin-top:6px}
.plan .walls,.fin-plan .walls{fill:none;stroke:var(--encre);stroke-width:1.5;stroke-linecap:square}
.plan .veranda,.fin-plan .veranda{fill:none;stroke:var(--iroko);stroke-width:1.2;stroke-dasharray:2 3}
.plan .pf rect{fill:var(--iroko);opacity:0;transition:opacity .6s}
.plan .pf rect.seen{opacity:.2}
.plan .here{fill:var(--encre);transition:transform 1s var(--ease);transform-box:fill-box;transform-origin:center}
.v-state{margin-top:clamp(16px,3vh,28px);display:grid;grid-template-columns:4.6em 1fr;gap:14px;align-items:baseline;min-height:4.8em}
.v-st{font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--encre-2);position:relative;padding-top:.15em}
.v-st::after{content:"";position:absolute;left:0;top:calc(100% + 6px);width:26px;height:1px;background:var(--encre);transform:scaleX(.35);transform-origin:left;transition:transform .8s var(--ease)}
.stage.done-room .v-st::after{transform:scaleX(1)}
.v-say{font-size:1.06rem;line-height:1.5;color:#36322c;transition:opacity .5s var(--ease),transform .6s var(--ease)}
.works{list-style:none;margin:clamp(14px,2.6vh,24px) 0 0;padding:0;display:grid;gap:5px;font-size:.92rem;transition:opacity .5s var(--ease),transform .6s var(--ease)}
.works li{position:relative;padding-left:22px;color:var(--encre-2);transition:color .6s}
.works li::before{content:"";position:absolute;left:0;top:.8em;width:12px;height:1px;background:currentColor;transform:scaleX(.4);transform-origin:left;transition:transform .7s var(--ease)}
.works li.ok{color:var(--encre)}
.works li.ok::before{transform:scaleX(1)}
.stage.peeking .works li.ok{color:var(--encre-2)}
.stage.peeking .works li.ok::before{transform:scaleX(.4)}
.hold{display:flex;align-items:center;gap:12px;align-self:flex-start;margin-top:clamp(18px,3.4vh,34px);background:none;border:0;border-bottom:1px solid rgba(34,32,28,.3);border-radius:0;padding:.5em 0;cursor:pointer;font-size:.88rem;font-weight:500;letter-spacing:.02em;text-align:left;transition:opacity .5s,border-color .4s;touch-action:pan-y}
.hold:hover{border-color:var(--encre)}
.hold[aria-disabled="true"]{opacity:.38;cursor:default}
.hold-ring{width:16px;height:16px;border-radius:50%;border:1px solid currentColor;flex:none;position:relative}
.hold-ring::after{content:"";position:absolute;inset:3px;border-radius:50%;background:currentColor;transform:scale(0);transition:transform .5s var(--ease)}
.hold.on .hold-ring::after{transform:scale(1)}

/* Profondeurs : une coupe dans le mur */
.prof{padding:clamp(96px,14vh,150px) var(--gut) clamp(90px,12vh,130px);display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr);gap:clamp(32px,5vw,90px);max-width:1500px;margin:0 auto}
.prof-head h2,.mat h2,.meth-head h2,.rdv h2{font-size:clamp(2.4rem,1.4rem + 3.4vw,4.6rem);font-weight:160;letter-spacing:-.02em;margin:18px 0 22px}
.prof-head{align-self:start;position:sticky;top:calc(var(--hd) + 40px)}
.prof-intro{max-width:22em;color:#36322c}
.coupe{list-style:none;margin:0;padding:0;border-top:1px solid var(--encre)}
.layer{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:clamp(20px,3vw,44px);border-bottom:1px solid rgba(34,32,28,.2);padding:26px 0;align-items:stretch}
.layer h3{font-size:clamp(1.8rem,1.3rem + 1.3vw,2.6rem);margin:10px 0 12px}
.layer-txt p:not(.label):not(.small){color:#36322c}
.layer .small{margin-top:14px}
.layer-img{position:relative;overflow:hidden;background:var(--pierre)}
.layer-img img{position:absolute;left:0;top:-14%;width:100%;height:128%;object-fit:cover;will-change:transform}
.l1 .layer-img{min-height:150px}.l2 .layer-img{min-height:220px}.l3 .layer-img{min-height:300px}

/* Matières */
.mat{overflow-x:clip;background:var(--lait-2);display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.2fr);gap:clamp(32px,6vw,110px);padding:clamp(96px,14vh,150px) var(--gut);align-items:center}
.mat-fig{margin:0}
.mat-fig .frame{aspect-ratio:3/4}
.mat-intro{max-width:30em;color:#36322c}
.fan{position:relative;height:clamp(290px,24vw,330px);margin:40px 0 18px;max-width:600px}
.sw{position:absolute;bottom:0;left:50%;width:clamp(130px,12vw,165px);aspect-ratio:2/3;margin-left:calc(clamp(130px,12vw,165px) / -2);padding:0;border:0;border-radius:2px;background:#ddd;cursor:pointer;overflow:hidden;transform-origin:50% 135%;transition:transform 1.2s var(--ease),box-shadow .5s;box-shadow:0 20px 40px -26px rgba(34,32,28,.55);text-align:left}
.sw[data-m="chaux"]{background:#ece6da}.sw[data-m="iroko"]{background:#7f5b3a}.sw[data-m="terre"]{background:#9a5537}.sw[data-m="rotin"]{background:#c9ae82}
.sw canvas{position:absolute;inset:0;width:100%;height:100%}
.sw-n,.sw-c{position:absolute;left:14px;z-index:1;color:var(--encre)}
.sw-n{bottom:30px;font-size:1.15rem;font-weight:400}
.sw-c{bottom:12px;font-size:.72rem;letter-spacing:.14em;font-weight:560;font-variant-numeric:lining-nums}
.sw[data-m="iroko"] .sw-n,.sw[data-m="iroko"] .sw-c,.sw[data-m="terre"] .sw-n,.sw[data-m="terre"] .sw-c{color:#fbf6ee}
.sw::after{content:"";position:absolute;inset:0;border:1px solid rgba(34,32,28,.0);transition:border-color .4s}
.sw[aria-pressed="true"]::after{border-color:var(--encre)}
.sw[aria-pressed="true"]{z-index:2}
.fan.open .sw:nth-child(1){transform:translateX(-120%) rotate(-7deg)}
.fan.open .sw:nth-child(2){transform:translateX(-40%) rotate(-2.4deg)}
.fan.open .sw:nth-child(3){transform:translateX(40%) rotate(2.4deg)}
.fan.open .sw:nth-child(4){transform:translateX(120%) rotate(7deg)}
.fan .sw:nth-child(2){transition-delay:.07s}.fan .sw:nth-child(3){transition-delay:.14s}.fan .sw:nth-child(4){transition-delay:.21s}
.fan.open .sw[aria-pressed="true"]:nth-child(1){transform:translateX(-120%) translateY(-22px) rotate(-7deg)}
.fan.open .sw[aria-pressed="true"]:nth-child(2){transform:translateX(-40%) translateY(-22px) rotate(-2.4deg)}
.fan.open .sw[aria-pressed="true"]:nth-child(3){transform:translateX(40%) translateY(-22px) rotate(2.4deg)}
.fan.open .sw[aria-pressed="true"]:nth-child(4){transform:translateX(120%) translateY(-22px) rotate(7deg)}
.fan.ready .sw{transition-delay:0s;transition-duration:.6s}
.sw-detail{max-width:32em;min-height:9.5em;padding-top:18px;border-top:1px solid rgba(34,32,28,.2)}
.sw-detail h3{font-size:1.9rem;font-weight:220;margin-bottom:10px}
.sw-detail .small{margin-top:10px}
.sw-detail>*{transition:opacity .35s var(--ease)}
.sw-detail.swap>*{opacity:0}

/* Méthode */
.methode{padding:clamp(96px,14vh,150px) var(--gut) clamp(90px,12vh,130px);max-width:1500px;margin:0 auto}
.meth-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px;flex-wrap:wrap}
.steps-line{height:1px;margin:26px 0 0;background:rgba(34,32,28,.12);position:relative;overflow:hidden}
.steps-line span{position:absolute;inset:0;background:var(--encre);transform:scaleX(0);transform-origin:left;transition:transform 2.6s var(--ease-s)}
.methode.on .steps-line span{transform:scaleX(1)}
.steps{list-style:none;margin:0;padding:34px 0 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(18px,2.4vw,40px);align-items:start}
.step h3{font-size:clamp(1.5rem,1.1rem + .9vw,2rem);margin:20px 0 6px}
.step .small{margin-bottom:12px}
.step p:not(.small){color:#36322c;font-size:.98rem}
.s1 .frame,.s3 .frame{aspect-ratio:4/5}
.s2 .frame,.s4 .frame{aspect-ratio:13/10;margin-top:clamp(40px,6vw,90px)}
.step:nth-child(2) .frame::after{transition-delay:.5s}.step:nth-child(3) .frame::after{transition-delay:1s}.step:nth-child(4) .frame::after{transition-delay:1.5s}
.step:nth-child(2) .frame img{transition-delay:.5s}.step:nth-child(3) .frame img{transition-delay:1s}.step:nth-child(4) .frame img{transition-delay:1.5s}

/* Rendez-vous */
.rdv{background:var(--lait-2);display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.25fr);gap:clamp(32px,6vw,110px);padding:clamp(96px,14vh,150px) var(--gut);align-items:start}
.rdv-side>p:not(.label){max-width:26em;color:#36322c}
.adr{margin:40px 0 0;display:grid;gap:14px;border-top:1px solid rgba(34,32,28,.2);padding-top:22px}
.adr div{display:grid;grid-template-columns:7.5em 1fr;gap:12px}
.adr dt{font-size:.74rem;font-weight:560;letter-spacing:.18em;text-transform:uppercase;color:var(--encre-2);padding-top:.2em}
.promise{margin-top:40px;padding:26px 28px;border:1px solid rgba(34,32,28,.22);background:rgba(242,238,230,.55)}
.promise p{font-size:1.35rem;font-weight:240;line-height:1.35}
.promise .small{font-size:.86rem;margin-top:12px;font-weight:400}
.adr dd{margin:0;font-variant-numeric:lining-nums tabular-nums}
.card{position:relative;background:var(--lait);padding:clamp(24px,3.4vw,48px);box-shadow:0 40px 80px -60px rgba(34,32,28,.6);overflow:hidden;min-height:560px}
.form{display:grid;gap:26px}
.f-group{border:0;margin:0;padding:0;min-width:0}
.f-group legend,.f-group>label{display:block;font-size:.74rem;font-weight:560;letter-spacing:.18em;text-transform:uppercase;color:var(--encre-2);margin-bottom:12px;padding:0}
.opt{text-transform:none;letter-spacing:.02em;font-weight:400}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{position:relative;cursor:pointer}
.chips input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.chips span{display:block;border:1px solid rgba(34,32,28,.3);border-radius:2px;padding:.55em 1em;font-size:.94rem;transition:background-color .35s,color .35s,border-color .35s}
.chips label:hover span{border-color:var(--encre)}
.chips input:checked+span{background:var(--encre);color:var(--lait);border-color:var(--encre)}
.chips input:focus-visible+span{outline:2px solid var(--encre);outline-offset:3px}
.surf-row{display:flex;align-items:center;gap:22px}
.surf-row output{font-size:2rem;font-weight:200;min-width:4.4em;text-align:right;font-variant-numeric:lining-nums tabular-nums}
input[type=range]{flex:1;-webkit-appearance:none;appearance:none;background:transparent;height:28px;cursor:pointer;min-width:0}
input[type=range]::-webkit-slider-runnable-track{height:1px;background:var(--encre)}
input[type=range]::-moz-range-track{height:1px;background:var(--encre)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--lait);border:1px solid var(--encre);margin-top:-9px}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--lait);border:1px solid var(--encre)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.f-group input:not([type]),.f-group textarea,.sel select{width:100%;background:transparent;border:0;border-bottom:1px solid rgba(34,32,28,.35);border-radius:0;padding:.5em 0;font-size:1rem;transition:border-color .3s}
.f-group input:not([type]):focus,.f-group textarea:focus,.sel select:focus{outline:none;border-bottom-color:var(--encre);box-shadow:0 1px 0 var(--encre)}
.f-group textarea{resize:vertical;min-height:4.6em;line-height:1.5}
::placeholder{color:#7a7368;opacity:1}
.sel{position:relative}
.sel select{-webkit-appearance:none;appearance:none;padding-right:24px;cursor:pointer}
.sel::after{content:"";position:absolute;right:4px;top:50%;width:7px;height:7px;border-right:1px solid var(--encre);border-bottom:1px solid var(--encre);transform:translateY(-70%) rotate(45deg);pointer-events:none}
[aria-invalid="true"]{border-bottom-color:var(--err)!important}
.err{color:var(--err);font-size:.84rem;margin-top:8px}
.f-send{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:4px}
.done-card{position:absolute;inset:0;padding:clamp(24px,3.4vw,48px);display:flex;flex-direction:column;justify-content:center;gap:12px;outline:none}
.done-card h3{font-size:clamp(2.2rem,1.6rem + 2vw,3.4rem);font-weight:180}
.done-card #done-sum{font-size:1.2rem;font-weight:300;line-height:1.4;max-width:24em}
.done-card .link{align-self:flex-start;margin-top:10px}
.done-draw{width:150px;height:auto;margin-bottom:10px}
.done-draw path{fill:none;stroke:var(--encre);stroke-width:1.2;stroke-dasharray:1;stroke-dashoffset:1}
.done-card.on .done-draw path{stroke-dashoffset:0;transition:stroke-dashoffset 1.1s var(--ease-s)}
.done-card.on .done-draw path:nth-child(2){transition-delay:.25s}.done-card.on .done-draw path:nth-child(3){transition-delay:.55s}.done-card.on .done-draw path:nth-child(4){transition-delay:.8s}.done-card.on .done-draw path:nth-child(5){transition-delay:1s}
.done-card>*:not(svg){opacity:0;transform:translateY(10px)}
.done-card.on>*:not(svg){opacity:1;transform:none;transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:.6s}
.wash{position:absolute;top:0;bottom:0;left:0;width:200%;display:flex;pointer-events:none;z-index:5;will-change:transform;transform:translateX(-100%)}
.wash span{display:block;width:25%;flex:none;background-size:100% 100%}
.wash span+i+span{transform:scaleX(-1)}
.wash i{flex:1;background:var(--lait)}

/* Fin */
.fin{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(32px,6vw,110px);align-items:center;padding:clamp(96px,14vh,150px) var(--gut) clamp(80px,12vh,130px);max-width:1500px;margin:0 auto}
.fin-plan{width:100%;height:auto;overflow:visible}
.fin-plan .walls{stroke-width:1.3px;vector-effect:non-scaling-stroke}
.fin-plan text{font:600 4.2px Ysabeau,sans-serif;letter-spacing:.18em;text-transform:uppercase;fill:var(--encre-2)}
.fin-plan .pf rect{fill:var(--iroko);opacity:0;transition:opacity 1.2s var(--ease)}
.fin.on .fin-plan .pf rect{opacity:.22}
.fin-plan .pf rect:nth-child(2){transition-delay:.35s}.fin-plan .pf rect:nth-child(3){transition-delay:.7s}.fin-plan .pf rect:nth-child(4){transition-delay:1.05s}.fin-plan .pf rect:nth-child(5){transition-delay:1.4s}
.fin h2{font-size:clamp(2.4rem,1.4rem + 3.2vw,4.4rem);font-weight:150;letter-spacing:-.02em;margin-bottom:24px}
.fin-text>p:not(.fin-links){max-width:26em;color:#36322c}
.fin-links{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin-top:34px}

/* Pied de page */
.foot{border-top:1px solid rgba(34,32,28,.16);padding:28px var(--gut) 34px;display:grid;gap:6px;font-size:.8rem;color:var(--encre-2)}
.foot-mark{color:var(--encre);font-weight:500}

/* Révélations simples */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity 1.1s var(--ease),transform 1.2s var(--ease)}
.js .rv.on{opacity:1;transform:none}

/* Tablette */
@media (max-width:1024px){
  .nav{display:none}
  .menu-btn{display:block}
  .nav.open{display:flex;position:fixed;top:var(--hd);left:0;right:0;flex-direction:column;gap:0;background:var(--lait);padding:12px var(--gut) 28px;border-bottom:1px solid rgba(34,32,28,.15)}
  .nav.open a{font-size:1.7rem;font-weight:220;padding:.4em 0;border-bottom:1px solid rgba(34,32,28,.1)}
  .nav.open a::after{display:none}
  .recit,.prof,.mat,.rdv,.fin{grid-template-columns:1fr}
  .v-frame{max-width:56vw}
  .v-title{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;margin:0}
  .v-room{margin-top:14px}
  .prof-head{position:static}
  .recit-fig{max-width:520px}
  .mat-fig{max-width:520px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .s2 .frame,.s4 .frame{margin-top:0}
}

/* Téléphone : la scène et sa légende tiennent ensemble à l'écran */
@media (max-width:767px){
  :root{--hd:58px}
  .btn-sm{display:none}
  .mark{font-size:1.1rem}
  .hero-text{left:16px;right:16px;bottom:32px;max-width:none}
  .hero::after{background:linear-gradient(0deg,rgba(20,18,14,.86) 0,rgba(20,18,14,.62) 48%,rgba(20,18,14,.1) 78%,rgba(20,18,14,0) 88%),linear-gradient(180deg,rgba(20,18,14,.5) 0,rgba(20,18,14,0) 14%)}
  .hero h1{font-size:clamp(2.7rem,13vw,3.6rem)}
  .hero-sub{font-size:1rem}
  .hero-act{gap:20px;margin-top:22px}
  .recit{padding:72px 16px 64px;gap:36px}
  .visite{height:calc(100svh + 4 * 220svh)}
  .stage{grid-template-columns:1fr;grid-template-rows:54% minmax(0,1fr);gap:0;padding:0}
  .v-frame{height:auto;aspect-ratio:auto;max-width:none;width:100%}
  .v-col{justify-content:flex-start;padding:14px 16px 16px;max-width:none}
  .v-col>.label{display:none}
  .v-room{margin-top:0;padding-top:0;border-top:0}
  .room-name{font-size:1.9rem}
  .room-meta{margin-top:4px}
  .plan{width:78px;margin-top:2px}
  .v-state{margin-top:10px;grid-template-columns:4em 1fr;gap:10px;min-height:4.2em}
  .v-say{font-size:.95rem;line-height:1.42}
  .works{margin-top:8px;gap:1px;font-size:.86rem}
  .hold{margin-top:auto;padding:.45em 0}
  .lead{margin:18px 0 28px}
  .recit-cols{grid-template-columns:1fr;gap:16px}
  .prof{padding:72px 16px 64px;gap:28px}
  .layer{grid-template-columns:1fr;gap:16px;padding:22px 0}
  .l1 .layer-img{min-height:110px}.l2 .layer-img{min-height:160px}.l3 .layer-img{min-height:210px}
  .mat{padding:72px 16px;gap:36px}
  .fan{height:250px;margin:34px 0 16px}
  .sw{width:104px;margin-left:-52px}
  .fan.open .sw:nth-child(1){transform:translateX(-108%) rotate(-7deg)}
  .fan.open .sw:nth-child(2){transform:translateX(-36%) rotate(-2.4deg)}
  .fan.open .sw:nth-child(3){transform:translateX(36%) rotate(2.4deg)}
  .fan.open .sw:nth-child(4){transform:translateX(108%) rotate(7deg)}
  .fan.open .sw[aria-pressed="true"]:nth-child(1){transform:translateX(-108%) translateY(-18px) rotate(-7deg)}
  .fan.open .sw[aria-pressed="true"]:nth-child(2){transform:translateX(-36%) translateY(-18px) rotate(-2.4deg)}
  .fan.open .sw[aria-pressed="true"]:nth-child(3){transform:translateX(36%) translateY(-18px) rotate(2.4deg)}
  .fan.open .sw[aria-pressed="true"]:nth-child(4){transform:translateX(108%) translateY(-18px) rotate(7deg)}
  .sw-n{font-size:.92rem;bottom:26px;left:10px}.sw-c{left:10px;bottom:10px;font-size:.62rem}
  .methode{padding:72px 16px 64px}
  .steps{grid-template-columns:1fr;gap:40px}
  .step{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:0 18px;align-items:start}
  .step .frame{grid-row:1 / span 3;aspect-ratio:4/5!important}
  .step h3{margin-top:0}
  .step .frame::after,.step .frame img{transition-delay:0s!important}
  .rdv{padding:72px 16px;gap:32px}
  .card{padding:22px 18px;min-height:0}
  .f-row{grid-template-columns:1fr}
  .fin{padding:72px 16px 56px;gap:36px}
  .adr div{grid-template-columns:6.5em 1fr}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;transition-delay:0s!important;animation:none!important}
  .js .rv,.js .hero-text>*,.js .hero h1 .ln{opacity:1;transform:none}
  .lead .w{opacity:1}
  .js .rv-frame .frame::after,.js .step .frame::after{transform:scaleY(0)}
  .js .rv-frame .frame img,.js .step .frame img{transform:none}
  .steps-line span{transform:none}
  .fin-plan .pf rect{opacity:.22}
}

/* ---------- Profondeur (v3) : lumière qui bouge, plans superposés, acte 2 ---------- */
/* la lumière des persiennes : bandes chaudes qui glissent lentement (transform seul) */
.recit,.fin{position:relative;overflow:clip}
.recit{background:#ece6da;max-width:none;padding-left:max(var(--gut),calc((100vw - 1500px)/2 + var(--gut)));padding-right:max(var(--gut),calc((100vw - 1500px)/2 + var(--gut)))}
.fin{background:#ece6da;max-width:none;padding-left:max(var(--gut),calc((100vw - 1500px)/2 + var(--gut)));padding-right:max(var(--gut),calc((100vw - 1500px)/2 + var(--gut)))}
.recit>*:not(.light),.fin>*:not(.light){position:relative;z-index:1}
.light{position:absolute;inset:-10% -20%;pointer-events:none;z-index:0;overflow:hidden}
.light i{position:absolute;inset:0 -240px 0 0;background:repeating-linear-gradient(115deg,rgba(250,245,234,0) 0,rgba(250,245,234,0) 70px,rgba(251,247,238,.85) 104px,rgba(251,247,238,.85) 128px,rgba(250,245,234,0) 162px,rgba(250,245,234,0) 210px);animation:slats 22s linear infinite;will-change:transform}
.light::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 70% 30%,rgba(255,236,200,.35),rgba(255,236,200,0) 70%);animation:glow 11s ease-in-out infinite alternate;will-change:opacity}
@keyframes slats{to{transform:translate3d(-231.7px,0,0)}}
@keyframes glow{from{opacity:.35}to{opacity:1}}
.light.off i,.light.off::after,.still .light i,.still .light::after{animation-play-state:paused}
.pause{position:absolute!important;right:var(--gut);top:22px;z-index:3!important;background:none;border:0;padding:.4em 0;font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--encre-2);cursor:pointer;display:flex;align-items:center;gap:8px}
.pause::before{content:"";width:9px;height:10px;border-left:2px solid currentColor;border-right:2px solid currentColor;box-sizing:border-box}
.pause[aria-pressed="true"]::before{width:0;height:0;border:0;border-left:9px solid currentColor;border-top:5px solid transparent;border-bottom:5px solid transparent}
.pause:hover{color:var(--encre)}
/* récit : deux plans de photo qui ne glissent pas à la même vitesse */
.recit-fig{position:relative}
.recit-2{position:absolute;left:-12%;bottom:-16%;width:40%;border:10px solid #ece6da;box-shadow:0 30px 60px -36px rgba(34,32,28,.55);will-change:transform}
.recit-2 img{width:100%;aspect-ratio:4/5;object-fit:cover}
.recit-fig>figcaption{padding-left:calc(28% + 12px)}
@media (max-width:1024px){.recit-2{left:auto;right:-4%;bottom:-12%;width:38%}.recit-fig{margin-bottom:12%}.recit-fig>figcaption{padding-left:0;padding-right:calc(40% + 8px)}}
[data-par]{will-change:transform}
/* sections qui se recouvrent comme des feuilles */
.prof{padding-bottom:calc(clamp(90px,12vh,130px) + 10vh)}
.mat{position:relative;z-index:2;margin-top:-10vh;box-shadow:0 -50px 90px -60px rgba(34,32,28,.45)}
.methode{padding-bottom:calc(clamp(90px,12vh,130px) + 8vh)}
.rdv{position:relative;z-index:2;margin-top:-8vh;box-shadow:0 -50px 90px -60px rgba(34,32,28,.45)}
/* acte 2 : la lumière, une fenêtre qui s'ouvre jusqu'au plein cadre */
.lum{position:relative;height:240vh;height:240svh;background:var(--lait);z-index:3}
.lum-stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.lum-frame{position:absolute;inset:0;z-index:1;overflow:hidden;transform-origin:50% 54%;transform:scale(.44);will-change:transform;background:var(--pierre)}
.lum-img,.lum-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.lum-img{will-change:transform;transform:scale(1.28)}
.lum-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(25deg,rgba(20,18,14,.62) 0,rgba(20,18,14,.2) 40%,rgba(20,18,14,0) 62%);opacity:0;transition:opacity .9s var(--ease)}
.lum-frame.lit::after{opacity:1}
.lum-side{position:absolute;z-index:2;margin:0;width:clamp(150px,15vw,240px);box-shadow:0 34px 60px -34px rgba(34,32,28,.6);will-change:transform,opacity}
.lum-side img{width:100%;aspect-ratio:4/5;object-fit:cover}
.l-a{left:7vw;top:26vh}
.l-b{right:7vw;bottom:11vh}
.lum-intro{position:absolute;z-index:3;left:var(--gut);top:clamp(28px,6vh,60px);display:flex;flex-direction:column;gap:10px;will-change:transform,opacity}
.lum-intro-t{font-size:clamp(1.4rem,1rem + 1.2vw,2.2rem);font-weight:220}
.lum-text{position:absolute;z-index:3;left:var(--gut);bottom:clamp(36px,9vh,90px);max-width:min(620px,84vw);color:#f6f2ea;opacity:0;will-change:transform,opacity}
.lum-text h2{font-size:clamp(2.4rem,1.4rem + 3.6vw,5rem);font-weight:140;letter-spacing:-.02em;margin-bottom:18px}
.lum-text p{max-width:30em;color:#efe9de}
@media (max-width:767px){
  .recit-2{left:auto;right:-4px;bottom:-12%;width:42%;border-width:7px}
  .recit-fig{margin-bottom:12%}
  .l-a{left:3vw;top:17vh;width:118px}
  .l-b{right:3vw;bottom:15vh;width:118px}
  .lum-frame{transform:scale(.5)}
  .pause{top:14px}
  .mat{margin-top:-6vh}.rdv{margin-top:-5vh}
  .prof{padding-bottom:calc(64px + 6vh)}.methode{padding-bottom:calc(64px + 5vh)}
}
@media (prefers-reduced-motion:reduce){
  .light i,.light::after{animation:none}
  .lum{height:auto}
  .lum-stage{position:relative;height:100svh}
  .lum-frame{transform:none}.lum-img{transform:none}.lum-frame::after{opacity:1}
  .lum-side,.lum-intro{display:none}
  .lum-text{opacity:1}
}