:root{
  --creme:#f5f1e8;--creme-clair:#fbf9f4;--sable:#e5ddcf;--blanc:#fff;
  --encre:#1f241d;--gris:#63685f;--olive:#4b5940;--olive-f:#303c2b;
  --terra:#a65238;--terra-f:#81402d;--ligne:rgba(31,36,29,.16);
  --r:22px;--ombre:0 22px 70px rgba(31,36,29,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{font-family:'Source Sans 3','Segoe UI',sans-serif;color:var(--encre);background:var(--creme-clair);font-size:18px;line-height:1.55;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit}
button,input{font:inherit}
button{color:inherit}
::selection{background:var(--terra);color:#fff}
.serif,em{font-family:'Cormorant Garamond',Georgia,serif;font-style:italic;font-weight:500}
.wrap{width:min(1320px,calc(100% - 10vw));margin-inline:auto}
.eyebrow{display:flex;align-items:center;text-transform:uppercase;letter-spacing:.2em;font-size:.72rem;font-weight:700;color:var(--terra);margin-bottom:22px}
.section-title{font-size:clamp(2.35rem,4.7vw,5rem);font-weight:600;line-height:.98;letter-spacing:-.05em;max-width:13ch}
.muted{color:var(--gris)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:11px;min-height:54px;padding:0 25px;border-radius:999px;border:1px solid transparent;background:var(--terra);color:#fff;text-decoration:none;font-weight:700;font-size:.92rem;transition:transform .25s ease,background .25s ease,border-color .25s ease}
.btn:hover{transform:translateY(-2px);background:var(--terra-f)}
.btn:focus-visible,.accordion-trigger:focus-visible,.agent-choice:focus-visible,.agent-back:focus-visible,input:focus-visible{outline:3px solid #f1bd7d;outline-offset:3px}
.btn.light{background:#fff;color:var(--encre)}
.btn.light:hover{background:var(--creme)}
.btn.ghost{background:transparent;color:var(--encre);border-color:var(--ligne)}
.btn.ghost:hover{background:var(--encre);border-color:var(--encre);color:#fff}
.arrow{font-size:1.25em;line-height:0;transition:transform .25s ease}
.btn:hover .arrow{transform:translateX(4px)}

/* Navigation */
.topbar{position:fixed;inset:0 0 auto;z-index:50;padding:20px 4vw;transition:padding .3s ease}
.nav-shell{height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:8px 10px 8px 10px;border:1px solid rgba(255,255,255,.32);border-radius:999px;color:#fff;background:rgba(25,29,22,.12);backdrop-filter:blur(12px);transition:background .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s ease}
.topbar.scrolled{padding-top:12px}
.topbar.scrolled .nav-shell{background:rgba(251,249,244,.94);color:var(--encre);border-color:var(--ligne);box-shadow:0 10px 35px rgba(31,36,29,.08)}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;min-width:max-content}
.brand-mark{width:54px;height:54px;flex:0 0 54px;display:block;overflow:hidden;border-radius:50%;background:var(--creme);border:1px solid rgba(255,255,255,.58);box-shadow:0 3px 14px rgba(20,25,18,.12)}
.brand-logo{display:block;width:100%;height:100%;object-fit:cover;transform:scale(1.58);transform-origin:50% 49%}
.brand-name{font-family:'Cormorant Garamond',Georgia,serif;font-weight:600;letter-spacing:.14em;font-size:1.05rem;line-height:1;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-item{position:relative}
.nav-link{display:block;padding:11px 10px;text-decoration:none;font-size:.84rem;font-weight:600;opacity:.9;transition:opacity .2s,background .2s ease;border-radius:999px}
.nav-link:hover{opacity:1;background:rgba(255,255,255,.11)}
.topbar.scrolled .nav-link:hover{background:rgba(48,60,43,.08)}
.nav-link:focus-visible{outline:3px solid #f1bd7d;outline-offset:2px}
.nav-preview{position:absolute;top:calc(100% + 17px);left:50%;width:270px;padding:16px 18px;border:1px solid rgba(255,255,255,.5);border-radius:18px;color:var(--encre);background:rgba(251,249,244,.94);box-shadow:0 20px 48px rgba(20,28,19,.2);backdrop-filter:blur(18px);opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,-7px);transition:opacity .2s ease,transform .2s ease,visibility .2s}
.nav-preview strong{display:block;margin-bottom:4px;font-size:.71rem;letter-spacing:.13em;text-transform:uppercase;color:var(--olive)}
.nav-preview span{display:block;font-size:.8rem;font-weight:500;line-height:1.4;color:#4f574c}
.nav-item:hover .nav-preview,.nav-item:focus-within .nav-preview{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav-cta{min-height:44px;padding:0 20px;background:#fff;color:var(--encre)}
.topbar.scrolled .nav-cta{background:var(--olive-f);color:#fff}

/* Héros */
.hero{position:relative;isolation:isolate;min-height:100svh;color:#fff;display:flex;align-items:flex-end;overflow:hidden;background:#464c40}
.hero-media{position:absolute;inset:0;z-index:-3;overflow:hidden;background:#464c40}
.hero-slide{position:absolute;inset:-2%;opacity:0;background-position:center 51%;background-size:cover;background-repeat:no-repeat;transform:scale(1.075);transition:opacity 1.45s ease,transform 15s linear;will-change:opacity,transform}
.hero-slide:first-child{background-image:url('assets/hero-salle-de-bain-v3.jpg')}
.hero-slide.is-active{opacity:1;transform:scale(1.035)}
.hero-fade{display:none}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(18,23,17,.8) 0%,rgba(18,23,17,.42) 47%,rgba(18,23,17,.08) 76%),linear-gradient(0deg,rgba(18,23,17,.68) 0%,transparent 48%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(18,23,17,.32),transparent 23%)}
.hero-inner{padding-top:150px}
.hero-copy{max-width:1100px;padding-bottom:36px}
.hero .eyebrow{color:#fff;margin-bottom:25px}
.hero h1{font-size:clamp(3.5rem,8.5vw,8.7rem);font-weight:600;line-height:.82;letter-spacing:-.07em;max-width:10.5ch;text-wrap:balance}
.hero h1 em{color:#efd6bd}
.hero-lead{max-width:610px;margin:30px 0 31px;font-size:clamp(1rem,1.55vw,1.25rem);color:rgba(255,255,255,.88)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.mobile-label{display:none}
.hero-actions .btn.ghost{color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(8px)}
.hero-actions .btn.ghost:hover{background:#fff;color:var(--encre)}
.hero-gallery-nav{display:flex;align-items:center;gap:12px;margin-top:18px}.hero-gallery-status{display:inline-flex;align-items:center;gap:12px;padding:7px 10px 7px 13px;border:1px solid rgba(255,255,255,.25);border-radius:999px;background:rgba(22,30,20,.25);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);font-size:.68rem;color:rgba(255,255,255,.82)}
.hero-gallery-copy{min-width:0;white-space:nowrap}.hero-gallery-copy strong{color:#fff}.hero-gallery-dots{display:flex;align-items:center}
.hero-gallery-dot{width:22px;height:22px;display:grid;place-items:center;border:0;background:transparent;cursor:pointer}.hero-gallery-dot::before{content:"";width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.45);transition:width .25s ease,background .25s ease}.hero-gallery-dot[aria-current="true"]::before{width:15px;border-radius:999px;background:#fff}
.hero-gallery-dot:focus-visible{outline:2px solid #f1bd7d;outline-offset:0;border-radius:50%}
.hero-arrow-group{display:flex;gap:8px}.hero-arrow{position:static;width:46px;height:46px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.38);border-radius:50%;background:rgba(29,35,26,.24);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.24),0 14px 34px rgba(13,18,12,.2);backdrop-filter:blur(18px) saturate(135%);-webkit-backdrop-filter:blur(18px) saturate(135%);cursor:pointer;transition:background .2s,border-color .2s,transform .2s}.hero-arrow svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.hero-arrow:hover{border-color:rgba(255,255,255,.7);background:rgba(251,249,244,.3);transform:scale(1.06)}.hero-arrow:focus-visible{outline:3px solid #f1bd7d;outline-offset:3px}
.hero-bottom{display:grid;grid-template-columns:1.08fr 1fr 1fr;gap:12px;padding:0 0 20px;min-height:132px}
.hero-proof{position:relative;min-height:112px;padding:17px 18px 15px;display:grid;grid-template-columns:minmax(0,1fr) 78px;align-items:center;gap:14px;border:1px solid rgba(255,255,255,.27);border-radius:22px;color:#fff;text-decoration:none;background:rgba(42,59,38,.52);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 16px 38px rgba(16,24,15,.18);backdrop-filter:blur(18px) saturate(120%);-webkit-backdrop-filter:blur(18px) saturate(120%);transition:transform .25s ease,border-color .25s ease,background .25s ease}
.hero-proof:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.44);background:rgba(48,69,44,.66)}
.hero-proof:focus-visible{outline:3px solid #f1bd7d;outline-offset:3px}
.proof-main{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:14px}
.proof-number{font-size:2.05rem;font-weight:700;letter-spacing:-.045em;line-height:1;white-space:nowrap}
.proof-text{font-size:.82rem;color:rgba(255,255,255,.84);line-height:1.3;max-width:27ch}
.proof-tile{width:78px;aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid rgba(255,255,255,.42);border-radius:15px;background:rgba(255,255,255,.88);color:var(--olive-f);font-size:.57rem;font-weight:800;line-height:1.08;text-align:center;box-shadow:0 8px 22px rgba(15,23,14,.14)}
.proof-tile svg{width:24px;height:24px;flex:none}

/* Introduction */
.intro{padding:150px 0 165px;background:var(--creme-clair)}
.intro-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:10vw;align-items:end}
.intro .section-title{max-width:12ch}
.intro-aside{border-left:1px solid var(--ligne);padding-left:36px;color:var(--gris)}
.intro-aside p+p{margin-top:20px}
.intro-aside strong{color:var(--encre)}

/* Projections */
.projects{padding:30px 0 150px;background:var(--creme-clair)}
.projects-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:54px}
.projects-head p:last-child{max-width:430px;color:var(--gris)}
.projects-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.project{position:relative;overflow:hidden;border-radius:var(--r);background:var(--sable);min-height:420px;isolation:isolate}
.project.tall{grid-row:span 2;min-height:864px}
.project img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .7s cubic-bezier(.2,.6,.2,1)}
.project:hover img{transform:scale(1.035)}
.project::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(20,24,18,.75),transparent 54%);z-index:1}
.project-copy{position:absolute;z-index:2;left:30px;right:30px;bottom:27px;color:#fff;display:flex;align-items:end;justify-content:space-between;gap:18px}
.project-copy h3{font-size:clamp(1.55rem,2.6vw,2.6rem);line-height:1;letter-spacing:-.04em}
.project-copy p{font-size:.82rem;color:rgba(255,255,255,.76);margin-top:8px}
.project-tag{border:1px solid rgba(255,255,255,.46);border-radius:999px;padding:8px 12px;font-size:.68rem;text-transform:uppercase;letter-spacing:.13em;white-space:nowrap;backdrop-filter:blur(8px)}
.projects-note{margin-top:18px;font-size:.78rem;color:var(--gris)}

/* Prestations / accordéon */
.services{padding:145px 0;background:var(--creme)}
.services-head{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:end;margin-bottom:55px}
.services-head .section-title{max-width:10ch}
.services-head>p{max-width:460px;color:var(--gris);justify-self:end}
.services-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:65px;align-items:start}
.service-visual{height:680px;border-radius:var(--r);overflow:hidden;position:sticky;top:105px;background:var(--sable)}
.service-visual img{width:100%;height:100%;object-fit:cover;transition:opacity .25s ease,transform .6s ease}
.service-visual.is-changing img{opacity:.2;transform:scale(1.02)}
.accordion{border-top:1px solid var(--ligne)}
.accordion-item{border-bottom:1px solid var(--ligne)}
.accordion-trigger{width:100%;display:grid;grid-template-columns:42px 1fr auto;gap:15px;align-items:center;background:none;border:0;text-align:left;padding:26px 0;cursor:pointer}
.accordion-index{font-size:.78rem;color:var(--terra);font-weight:700}
.accordion-title{font-size:clamp(1.35rem,2.3vw,2rem);font-weight:600;letter-spacing:-.035em}
.accordion-plus{width:34px;height:34px;border:1px solid var(--ligne);border-radius:50%;display:grid;place-items:center;font-size:1.15rem;transition:transform .3s ease,background .3s ease,color .3s ease}
.accordion-trigger[aria-expanded="true"] .accordion-plus{transform:rotate(45deg);background:var(--olive-f);color:#fff}
.accordion-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s ease}
.accordion-panel>div{overflow:hidden}
.accordion-trigger[aria-expanded="true"]+.accordion-panel{grid-template-rows:1fr}
.accordion-body{padding:0 52px 28px 57px;color:var(--gris);font-size:.96rem}
.accordion-meta{margin-top:18px;padding-top:15px;border-top:1px solid var(--ligne);color:var(--encre)}
.price-breakdown{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:5px 11px}
.price-original{font-size:.83rem;color:var(--gris);text-decoration:line-through;text-decoration-thickness:1.5px}
.price-discount{justify-self:start;padding:3px 8px;border-radius:999px;background:#dce9d2;color:var(--olive-f);font-size:.68rem;font-weight:800;letter-spacing:.06em}
.price-rest{grid-column:1/-1;font-size:1.12rem;line-height:1.15;color:var(--olive-f)}
.price-caption{grid-column:1/-1;color:var(--gris);font-size:.72rem;line-height:1.35}
.services-legal{margin:20px 0 0 57px;color:var(--gris);font-size:.7rem;line-height:1.45}

/* Diagnostic guidé */
.estimate{background:var(--olive-f);color:#fff;padding:145px 0}
.estimate-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:9vw;align-items:center}
.estimate .eyebrow{color:#e6b592}
.estimate .section-title{color:#fff;max-width:10ch}
.estimate-intro>p:last-child{margin-top:28px;color:#bdc7b8;max-width:43ch}
.diagnostic{background:var(--creme-clair);color:var(--encre);border-radius:var(--r);padding:34px;box-shadow:var(--ombre);min-height:570px;display:flex;flex-direction:column}
.agent-head{display:flex;align-items:center;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--ligne)}
.agent-avatar{width:42px;height:42px;display:grid;place-items:center;flex:none;border-radius:14px;background:var(--olive-f);color:#fff}
.agent-avatar svg{width:23px;height:23px}
.agent-head strong{display:block;font-size:.92rem}.agent-head span{display:block;color:var(--gris);font-size:.73rem}
.agent-progress-copy{margin-left:auto;color:var(--olive)!important;font-weight:700;white-space:nowrap}
.agent-progress{height:5px;margin:18px 0 25px;overflow:hidden;border-radius:999px;background:var(--sable)}
.agent-progress span{display:block;height:100%;width:14.285%;border-radius:inherit;background:var(--terra);transition:width .28s ease}
.agent-stage{flex:1}
.agent-bubble{padding:21px 22px;border-radius:8px 20px 20px 20px;background:var(--creme);border:1px solid rgba(31,36,29,.08)}
.agent-question{font-size:1.35rem;font-weight:700;line-height:1.18;letter-spacing:-.025em}.agent-help{margin-top:7px;color:var(--gris);font-size:.82rem}
.agent-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.agent-choice{min-height:54px;padding:12px 15px;border:1px solid var(--ligne);border-radius:14px;background:#fff;text-align:left;font-size:.82rem;font-weight:700;cursor:pointer;transition:background .2s,border-color .2s,transform .2s}
.agent-choice:hover{transform:translateY(-2px);border-color:var(--olive);background:#f3f6ef}
.agent-choice strong,.agent-choice span{display:block}.agent-choice span{margin-top:2px;color:var(--gris);font-size:.7rem;font-weight:600;line-height:1.3}
.household-picker{margin-top:16px}.household-picker>span{display:block;margin-bottom:8px;color:var(--gris);font-size:.72rem;font-weight:700}
.household-options{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.household-choice{min-height:40px;border:1px solid var(--ligne);border-radius:11px;background:#fff;font-size:.72rem;font-weight:800;cursor:pointer}
.household-choice[aria-pressed="true"]{border-color:var(--olive-f);background:var(--olive-f);color:#fff}
.resource-note{margin-top:11px;color:var(--gris);font-size:.67rem;line-height:1.4}
.agent-foot{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:20px;padding-top:17px;border-top:1px solid var(--ligne)}
.agent-back{border:0;background:none;color:var(--gris);font-size:.78rem;font-weight:700;cursor:pointer}.agent-back[hidden]{display:none}
.agent-privacy{font-size:.68rem;color:var(--gris);text-align:right}
.agent-loading{display:grid;place-items:center;min-height:320px;text-align:center;color:var(--gris)}
.agent-loading strong{display:block;color:var(--encre);font-size:1.18rem;margin-bottom:7px}
.diagnostic-result{display:grid;gap:15px}
.result-top{padding:22px;border-radius:18px;background:var(--olive-f);color:#fff}
.result-kicker{display:block;color:#dce8d3;font-size:.66rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.result-top h3{font-size:1.5rem;line-height:1.1;margin:7px 0 15px}
.result-prices{display:grid;grid-template-columns:1fr 1fr;gap:10px}.result-price{padding:13px;border-radius:13px;background:rgba(255,255,255,.1)}
.result-price span{display:block;font-size:.68rem;color:#d2dacd}.result-price strong{font-size:1.2rem;line-height:1.1}
.result-reduction{display:inline-block;margin-top:10px;padding:5px 9px;border-radius:999px;background:#e3efda;color:var(--olive-f);font-size:.7rem;font-weight:800}
.dossier-list{padding:17px 19px;border-radius:16px;background:var(--creme)}.dossier-list h4{font-size:.88rem;margin-bottom:8px}.dossier-list ul{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;list-style:none}.dossier-list li{font-size:.75rem;color:var(--gris)}.dossier-list li::before{content:"✓";margin-right:7px;color:var(--olive);font-weight:800}
.result-actions{display:flex;gap:10px;flex-wrap:wrap}.result-actions .btn{min-height:49px;font-size:.82rem}
.agent-legal{font-size:.66rem;line-height:1.4;color:var(--gris)}

/* Méthode */
.method{padding:150px 0;background:var(--creme-clair)}
.method-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:60px}
.method-head .section-title{max-width:11ch}
.method-head p:last-child{color:var(--gris);max-width:420px}
.steps{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--ligne)}
.step{padding:25px 25px 8px 0;border-right:1px solid var(--ligne);min-height:220px}
.step+.step{padding-left:25px}
.step:last-child{border-right:0}
.step-number{display:block;color:var(--terra);font-size:.76rem;font-weight:700;margin-bottom:42px}
.step h3{font-size:1.16rem;line-height:1.15;margin-bottom:11px}
.step p{color:var(--gris);font-size:.83rem;line-height:1.5}

/* Confiance */
.trust{padding:0 0 150px;background:var(--creme-clair)}
.trust-card{border-radius:var(--r);background:var(--creme);display:grid;grid-template-columns:1.05fr .95fr;overflow:hidden}
.trust-copy{padding:70px}
.trust-copy .section-title{max-width:11ch;font-size:clamp(2.4rem,4.3vw,4.5rem)}
.trust-copy>p{color:var(--gris);max-width:52ch;margin:28px 0 34px}
.trust-links{display:flex;gap:12px;flex-wrap:wrap}
.trust-image{min-height:560px;position:relative;background:url('assets/realisation-acces-v1.jpg') center/cover no-repeat}
.trust-image::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(245,241,232,.24),transparent 35%)}

/* Contact */
.contact{background:var(--encre);color:#fff;padding:135px 0 45px}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:9vw;align-items:end;padding-bottom:105px}
.contact .eyebrow{color:#e6b592}
.contact .section-title{color:#fff;max-width:10ch;font-size:clamp(3.1rem,6.5vw,6.8rem)}
.contact-aside{border-left:1px solid rgba(255,255,255,.18);padding-left:38px}
.contact-aside>p{color:#b9beb6;margin-bottom:28px;max-width:42ch}
.contact-actions{display:flex;gap:12px;flex-wrap:wrap}
.contact-emails{display:flex;gap:8px 16px;flex-wrap:wrap;margin-top:17px;font-size:.78rem}.contact-emails a{color:#d9ded6;text-underline-offset:4px}.contact-emails a:hover{color:#fff}
.contact-rule{font-size:.78rem;color:#90978e;margin-top:24px;max-width:48ch}
.footer{border-top:1px solid rgba(255,255,255,.16);padding-top:30px;display:grid;grid-template-columns:1fr 1.5fr;gap:30px;color:#8d938b;font-size:.7rem;line-height:1.5}
.footer-brand{display:flex;gap:15px;align-items:center;color:#fff;font-size:.8rem;letter-spacing:.14em}
.footer-brand .brand-mark{width:56px;height:56px;flex-basis:56px}
.footer a{color:#c9cec6}

/* Apparitions */
.reveal{opacity:0;transform:translateY(35px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.seen{opacity:1;transform:none}

@media(max-width:1050px){
  .nav-links{display:none}
  .intro-grid,.services-head,.services-grid,.estimate-grid,.trust-card,.contact-grid{grid-template-columns:1fr}
  .intro-grid{gap:55px}.intro-aside{max-width:600px}
  .services-head>p{justify-self:start}.service-visual{height:560px;position:relative;top:auto}
  .estimate-grid{gap:55px}.estimate .section-title{max-width:12ch}
  .steps{grid-template-columns:repeat(3,1fr)}
  .step:nth-child(3){border-right:0}.step:nth-child(n+4){border-top:1px solid var(--ligne)}
  .trust-image{min-height:480px}.contact-grid{gap:60px}.contact-aside{max-width:620px}
}
@media(max-width:720px){
  body{font-size:17px}.wrap{width:min(100% - 36px,1320px)}
  .topbar{padding:10px 9px}.topbar.scrolled{padding:7px 9px}.nav-shell{height:58px;gap:6px;padding:6px 7px;background:rgba(24,29,21,.3);backdrop-filter:blur(16px)}.brand{gap:8px}.brand-mark{width:40px;height:40px;flex-basis:40px}.brand-name{font-size:.67rem;letter-spacing:.095em}.nav-cta{min-height:38px;padding:0 11px;font-size:.7rem;gap:7px}
  .hero{min-height:0;display:block;background:var(--olive-f)}.hero-media,.hero::before,.hero::after{inset:0 0 auto;height:100svh}.hero-slide{background-position:center center}.hero-slide:first-child{background-image:url('assets/hero-gallery/00-salle-de-bain-mobile.jpg')}.hero-fade{display:block;position:absolute;z-index:-1;top:calc(100svh - 230px);left:0;right:0;height:330px;background:linear-gradient(180deg,rgba(48,60,43,0) 0%,rgba(48,60,43,.3) 28%,rgba(48,60,43,.88) 68%,var(--olive-f) 100%);pointer-events:none}
  .hero::before{background:linear-gradient(90deg,rgba(18,23,17,.75) 0%,rgba(18,23,17,.3) 72%,rgba(18,23,17,.14)),linear-gradient(0deg,rgba(18,23,17,.72) 0%,transparent 58%)}.hero::after{background:linear-gradient(180deg,rgba(18,23,17,.43),transparent 28%)}
  .hero-inner{padding-top:92px}.hero-copy{min-height:calc(100svh - 92px);padding:28px 0 28px;display:flex;flex-direction:column;justify-content:center}.hero .eyebrow{font-size:.61rem;letter-spacing:.15em;line-height:1.4;margin-bottom:18px}.hero h1{font-size:clamp(3rem,14.7vw,4rem);line-height:.86;max-width:8.45ch}.hero-lead{margin:23px 0 24px;font-size:.94rem;line-height:1.48;max-width:34ch}.hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%}.hero-actions .btn{min-height:50px;padding:0 12px;font-size:.76rem;white-space:nowrap}.desktop-label{display:none}.mobile-label{display:inline}
  .hero-gallery-nav{align-self:stretch;justify-content:space-between;gap:8px;margin-top:14px}.hero-gallery-status{min-width:0;max-width:calc(100% - 98px);gap:7px;padding:5px 7px 5px 10px;font-size:.61rem}.hero-gallery-copy{max-width:15ch;overflow:hidden;text-overflow:ellipsis}.hero-gallery-dot{width:15px;height:20px}.hero-gallery-dot[aria-current="true"]::before{width:10px}.hero-arrow-group{gap:6px}.hero-arrow{width:42px;height:42px;background:rgba(29,35,26,.32)}.hero-arrow svg{width:19px;height:19px}
  .hero-bottom{grid-template-columns:1fr;gap:10px;padding:18px 0 24px}.hero-proof{min-height:94px;padding:13px 15px;grid-template-columns:minmax(0,1fr) 64px;border:1px solid rgba(255,255,255,.24)}.proof-tile{width:64px}.proof-number{font-size:1.58rem}.proof-text{font-size:.76rem;max-width:none}
  .intro{padding:105px 0}.intro-grid{gap:42px}.intro-aside{padding-left:22px}
  .projects{padding-bottom:105px}.projects-head,.method-head{display:block}.projects-head p:last-child,.method-head p:last-child{margin-top:24px}.projects-grid{grid-template-columns:1fr;gap:16px}.project,.project.tall{min-height:490px;grid-row:auto}.project-copy{left:20px;right:20px;bottom:20px;display:block}.project-tag{display:inline-block;margin-top:13px}
  .services,.estimate,.method{padding:105px 0}.services-head{margin-bottom:35px}.services-grid{gap:26px}.service-visual{height:420px}.accordion-trigger{grid-template-columns:34px 1fr auto;gap:10px;padding:22px 0}.accordion-body{padding-left:44px;padding-right:10px}.accordion-meta{display:block}.accordion-meta span{display:block;margin-top:5px}
  .diagnostic{padding:24px 18px;min-height:600px}.agent-options,.result-prices,.dossier-list ul{grid-template-columns:1fr}.agent-progress-copy{font-size:.67rem}.agent-choice{width:100%}.household-options{grid-template-columns:repeat(3,1fr)}.services-legal{margin-left:44px}
  .steps{grid-template-columns:1fr}.step,.step+.step{border-right:0;border-top:1px solid var(--ligne);padding:22px 0;min-height:0;display:grid;grid-template-columns:38px 1fr;column-gap:8px}.step:first-child{border-top:0}.step-number{grid-row:1/3;margin:0}.step p{grid-column:2}
  .trust{padding-bottom:105px}.trust-copy{padding:40px 25px}.trust-image{min-height:390px;grid-row:1}
  .contact{padding-top:105px}.contact-grid{padding-bottom:80px}.contact-aside{padding-left:24px}.contact-actions{display:grid}.footer{grid-template-columns:1fr;gap:24px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}.hero-slide{transition:none;transform:none}.project img,.btn,.accordion-panel,.reveal{transition:none}.reveal{opacity:1;transform:none}
}