:root{
  --bg:#fff; --bg2:#f5f5f7; --ink:#1d1d1f; --ink2:#515154; --ink3:#86868b; --line:#d2d2d7;
  --accent:#0b4f8a; --accent-h:#093f6f; --dark:#0a0a0b; --err:#c0262d; --ok:#1c7c3a;
  --maxw:1120px; --gut:clamp(20px,5vw,40px);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:64px}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.5;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-size:17px}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3,p{margin:0}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}

/* Navigation */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,.08)}
.nav__in{max-width:var(--maxw);margin:0 auto;height:56px;padding:0 var(--gut);display:flex;align-items:center;justify-content:space-between}
.nav__brand img{height:23px;width:auto}
.nav__menu{display:flex;align-items:center;gap:28px;font-size:14px}
.nav__menu a{text-decoration:none;color:var(--ink2);transition:color .2s}
.nav__menu a:hover{color:var(--ink)}
.nav__lang{font-weight:600;letter-spacing:.04em}
.nav__toggle{display:none;background:none;border:0;width:44px;height:44px;margin-right:-10px;cursor:pointer;position:relative}
.nav__toggle span{position:absolute;left:12px;right:12px;height:1.5px;background:var(--ink);transition:transform .25s,top .25s}
.nav__toggle span:first-child{top:18px}.nav__toggle span:last-child{top:26px}
.nav__toggle[aria-expanded=true] span:first-child{top:22px;transform:rotate(45deg)}
.nav__toggle[aria-expanded=true] span:last-child{top:22px;transform:rotate(-45deg)}

/* Boutons */
.btn{display:inline-block;background:var(--accent);color:#fff!important;text-decoration:none;border:0;cursor:pointer;
  font:inherit;font-weight:500;padding:13px 26px;border-radius:980px;transition:background .2s,transform .1s}
.btn:hover{background:var(--accent-h)}
.btn:active{transform:scale(.98)}
.btn--small{padding:7px 16px;font-size:14px;color:#fff!important}
.btn--big{padding:16px 36px;font-size:18px;width:100%}
.btn[disabled]{opacity:.55;cursor:wait}
.link{color:var(--accent);text-decoration:none;font-size:19px}
.link:hover{text-decoration:underline}
.link--light{color:#6cb4ff}

/* Typographie */
.eyebrow{font-size:19px;font-weight:600;color:var(--ink2);margin-bottom:10px}
.section--dark .eyebrow{color:#a1a1a6}
.h2+.lead{margin-top:20px}
.lead{font-size:clamp(19px,2.4vw,24px);line-height:1.38;color:var(--ink2);font-weight:400;letter-spacing:-.01em}
.section--dark .lead{color:#c7c7cc}
.h2{font-size:clamp(34px,6vw,60px);line-height:1.06;font-weight:700;letter-spacing:-.03em}
.h3{font-size:clamp(26px,4.2vw,40px);line-height:1.12;font-weight:700;letter-spacing:-.025em;max-width:var(--maxw);margin:0 auto 28px}

/* Hero */
.hero{text-align:center;padding:clamp(48px,9vw,96px) 0 0;overflow:hidden}
.hero>*:not(.hero__img){padding-left:var(--gut);padding-right:var(--gut)}
.hero h1{font-size:clamp(46px,10vw,104px);line-height:1.02;font-weight:700;letter-spacing:-.04em;margin:0 auto 18px;max-width:14ch}
.hero .lead{max-width:34em;margin:0 auto}
.cta{display:flex;gap:24px;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:30px!important}
.hero__img{margin:clamp(36px,6vw,64px) auto 0;max-width:1680px}
.hero__img img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* Sections */
.section{padding:clamp(64px,11vw,128px) var(--gut)}
.section>*{max-width:var(--maxw);margin-left:auto;margin-right:auto}
.section>.h2{margin-bottom:clamp(36px,6vw,64px)}
.section--gray{background:var(--bg2)}
.section--dark{background:var(--dark);color:#f5f5f7}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--bg2);border-radius:24px;padding:32px 28px 36px}
.card--line{background:var(--bg);border:1px solid var(--line)}
.card__n{display:block;font-size:14px;font-weight:600;color:var(--accent);margin-bottom:34px;letter-spacing:.06em}
.card h3{font-size:22px;line-height:1.2;letter-spacing:-.015em;margin-bottom:10px}
.card p{color:var(--ink2);font-size:17px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:center}
.split--rev .split__text{order:2}
.split__imgs{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.split__imgs--one{grid-template-columns:1fr;max-width:420px;margin-left:auto}
.split__imgs img{border-radius:22px;aspect-ratio:9/16;object-fit:cover;width:100%}
.illu{width:min(240px,60%);margin-top:40px;mix-blend-mode:multiply}
.section--dark .split__imgs img{border-radius:22px}
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.gallery img{border-radius:22px;width:100%;object-fit:cover}
.gallery .g-wide{grid-column:1/-1;aspect-ratio:16/8}
.gallery img:not(.g-wide){aspect-ratio:4/5}

/* Formulaire */
.quote{background:var(--bg)}
.quote__head{text-align:center;max-width:720px;margin-bottom:48px!important}
.quote__head .lead{margin-top:18px}
.form{max-width:760px}
fieldset{border:0;margin:0 0 36px;padding:0}
legend{font-size:22px;font-weight:700;letter-spacing:-.015em;padding:0;margin-bottom:18px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.fld{display:block;margin-bottom:16px}
.row .fld{margin-bottom:0}
.fld>span,.fld>label>span{display:block;font-size:14px;font-weight:500;color:var(--ink2);margin-bottom:6px}
input[type=text],input[type=email],input[type=tel],input[type=number],input:not([type]),select,textarea{
  width:100%;font:inherit;font-size:17px;color:var(--ink);background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:13px 14px;min-height:48px;transition:border-color .15s,box-shadow .15s;-webkit-appearance:none;appearance:none}
select{background-image:linear-gradient(45deg,transparent 50%,var(--ink3) 50%),linear-gradient(135deg,var(--ink3) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px;background-repeat:no-repeat;padding-right:38px}
textarea{resize:vertical;min-height:96px}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px rgba(11,79,138,.15)}
.fld.bad input,.fld.bad select,.fld.bad .seg{border-color:var(--err);box-shadow:0 0 0 3px rgba(192,38,45,.12)}
.seg{display:inline-flex;width:100%;border:1px solid var(--line);border-radius:12px;overflow:hidden;min-height:48px}
.seg label{flex:1;display:block}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:flex;align-items:center;justify-content:center;height:100%;min-height:46px;cursor:pointer;color:var(--ink2);font-size:16px}
.seg input:checked+span{background:var(--ink);color:#fff}
.seg input:focus-visible+span{outline:3px solid var(--accent);outline-offset:-3px}
.chk{display:flex;gap:12px;align-items:flex-start;margin:0 0 18px;cursor:pointer;font-size:16px;color:var(--ink2)}
.chk input{width:22px;height:22px;margin:1px 0 0;flex:none;accent-color:var(--accent)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.status{min-height:24px;margin:0 0 12px;font-size:16px;color:var(--err)}
.status.ok{color:var(--ok)}
.fine{font-size:13px;color:var(--ink3);margin-top:14px}
.estimate{background:var(--bg2);border-radius:14px;padding:16px 18px;margin:0 0 20px;font-size:16px;color:var(--ink2)}
.estimate strong{display:block;font-size:28px;color:var(--ink);letter-spacing:-.02em}
.done{max-width:560px;text-align:center;padding:48px 24px;background:var(--bg2);border-radius:24px}
.done h3{font-size:30px;letter-spacing:-.02em;margin-bottom:8px}
.done p{color:var(--ink2)}

/* Pied de page */
.footer{background:var(--bg2);padding:56px var(--gut);color:var(--ink2);font-size:15px}
.footer__in{max-width:var(--maxw);margin:0 auto;display:grid;gap:10px}
.footer img{height:28px;width:auto;margin-bottom:8px}
.footer a{color:var(--ink);text-decoration:none;font-weight:600}
.footer .fine{margin-top:18px}

/* Animations d'apparition */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
}

/* Tablette et mobile */
@media (max-width:960px){
  .grid4{grid-template-columns:1fr 1fr}
  .grid3{grid-template-columns:1fr}
  .split,.split--rev{grid-template-columns:1fr}
  .split--rev .split__text{order:0}
  .split__imgs--one{margin:0 auto}
}
@media (max-width:760px){
  body{font-size:16px}
  .nav__toggle{display:block}
  .nav__menu{position:absolute;top:56px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);padding:6px var(--gut) 18px;
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;transition:opacity .2s}
  .nav__menu.open{max-height:80vh;opacity:1;visibility:visible}
  .nav__menu a{padding:14px 0;font-size:19px;border-bottom:1px solid var(--bg2)}
  .nav__menu .btn{margin-top:14px;text-align:center;border:0;font-size:17px;padding:14px}
  .grid4{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .card{padding:26px 24px 30px}
  .card__n{margin-bottom:18px}
  .gallery{grid-template-columns:1fr 1fr}
  .hero__img img{aspect-ratio:4/3}
}
@media print{.nav,.quote,.skip{display:none}}

/* Autocomplétion d'adresse */
.ac{position:relative}
.ac__list{position:absolute;left:0;right:0;top:100%;z-index:30;margin:4px 0 0;padding:6px;list-style:none;background:#fff;
  border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 36px rgba(0,0,0,.14);max-height:300px;overflow:auto}
.ac__list li{padding:11px 12px;border-radius:9px;cursor:pointer;font-size:16px;line-height:1.35}
.ac__list li.on,.ac__list li:hover{background:var(--bg2)}