/* ILME Renov : pré-maquette. Tokens du cahier des charges §3 */
:root{
  --blanc:#fff; --creme:#F6EFE7; --marine:#1A2B42; --bleu:#2A6290;
  --orange:#D9822B; --orange-h:#BF6E1F; --gris:#6B6B6B; --bordure:#E5E1DA;
  --rayon:12px; --section:96px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;font:400 17px/1.6 Inter,system-ui,sans-serif;color:var(--marine);background:var(--blanc)}
h1,h2,h3,.btn{font-family:Montserrat,system-ui,sans-serif}
h1{font-size:48px;line-height:1.15;font-weight:700;margin:0 0 20px}
h2{font-size:32px;line-height:1.2;font-weight:700;margin:0 0 16px}
h3{font-size:22px;line-height:1.3;font-weight:600;margin:0 0 8px}
p{margin:0 0 16px}
a{color:var(--bleu)}
img{max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:var(--section) 0}
.creme{background:var(--creme)}
.marine{background:var(--marine);color:#fff}
.center{text-align:center}
.lead{font-size:19px;max-width:720px}
.center .lead{margin-left:auto;margin-right:auto}
.small{font-size:14px;color:var(--gris)}
.eyebrow{display:inline-block;font:600 13px Montserrat;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:10px}
:focus-visible{outline:3px solid var(--bleu);outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:99}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 24px;border-radius:8px;font-size:17px;font-weight:600;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .2s,color .2s}
.btn-p{background:var(--orange);color:#fff}.btn-p:hover{background:var(--orange-h)}
.btn-s{background:transparent;border-color:var(--bleu);color:var(--bleu)}.btn-s:hover{background:var(--bleu);color:#fff}
.btn-w{background:transparent;border-color:#fff;color:#fff}.btn-w:hover{background:#fff;color:var(--marine)}
.btns{display:flex;gap:16px;flex-wrap:wrap}

/* Faux visuels */
.ph{position:relative;display:flex;align-items:center;justify-content:center;text-align:center;padding:16px;min-height:200px;border-radius:var(--rayon);color:#5a6573;font:500 14px/1.4 Inter;background:repeating-linear-gradient(45deg,#e9e4dc,#e9e4dc 12px,#efe9e1 12px,#efe9e1 24px);border:1px dashed #c9c1b6}
.ph b{display:block;font:700 12px Montserrat;letter-spacing:.12em;margin-bottom:4px;color:var(--bleu)}
.ph.dark{background:repeating-linear-gradient(45deg,#2c3f5a,#2c3f5a 12px,#314563 12px,#314563 24px);border-color:#4a6283;color:#cfd8e6}
.ph.dark b{color:#f0b37a}

/* En-tête */
header.top{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--bordure)}
.top .wrap{display:flex;align-items:center;gap:24px;height:76px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--marine)}
.logo img{height:46px;width:auto}
.logo span{font:800 22px/1 Montserrat;letter-spacing:.01em}.logo span em{font-style:normal;color:var(--orange);font-weight:500;letter-spacing:.2em;margin-left:6px;font-size:16px}
nav.main{flex:1}
nav.main ul{display:flex;justify-content:center;gap:4px;list-style:none;margin:0;padding:0}
nav.main a{display:block;padding:8px 12px;text-decoration:none;color:var(--marine);font:500 15px Montserrat;border-bottom:3px solid transparent}
nav.main a:hover,nav.main a[aria-current]{border-bottom-color:var(--orange)}
.has-sub{position:relative}
.sub{display:none;position:absolute;left:0;top:100%;background:#fff;border:1px solid var(--bordure);border-radius:var(--rayon);padding:8px;min-width:230px;box-shadow:0 6px 20px rgba(26,43,66,.08)}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.sub a{border:0;border-radius:8px}.sub a:hover{background:var(--creme)}
.cta-top{display:flex;align-items:center;gap:16px}
.tel{display:inline-flex;align-items:center;gap:8px;font:600 15px Montserrat;color:var(--marine);text-decoration:none;white-space:nowrap}
.tel svg{width:20px;height:20px;stroke:var(--bleu)}
.burger{display:none;background:none;border:0;padding:10px;cursor:pointer;margin-left:auto}
.burger span{display:block;width:26px;height:3px;background:var(--marine);margin:5px 0;border-radius:2px}

/* Hero */
.hero{position:relative;padding:0;color:#fff}
.hero .ph{position:absolute;inset:0;border-radius:0;border:0;min-height:0}
.hero .veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(26,43,66,.88),rgba(26,43,66,.45))}
.hero .wrap{position:relative;padding-top:120px;padding-bottom:110px}
.hero h1{max-width:760px}.hero .lead{color:#eef2f7}
.checks{display:flex;gap:28px;flex-wrap:wrap;list-style:none;padding:0;margin:32px 0 0;font:500 15px Montserrat}
.checks li::before{content:"✓";color:var(--orange);font-weight:800;margin-right:8px}
.page-hero{padding:56px 0;background:var(--marine);color:#fff}
.page-hero h1{font-size:40px;margin:8px 0 0}
.crumbs{font-size:14px;color:#c4cfdd}.crumbs a{color:#c4cfdd}

/* Confiance */
.trust{padding:36px 0}
.trust ul{display:flex;justify-content:space-around;gap:24px;flex-wrap:wrap;list-style:none;margin:0;padding:0;font:600 15px Montserrat}
.trust li{display:flex;align-items:center;gap:12px}
.ico{width:44px;height:44px;border-radius:50%;background:#fff;display:grid;place-items:center;flex:none}
.ico svg,.card .ico svg{width:24px;height:24px;stroke:var(--bleu);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* Grilles */
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.g2{grid-template-columns:1fr 1fr}
.card{background:#fff;border:1px solid var(--bordure);border-radius:var(--rayon);padding:28px}
.card .ico{background:var(--creme);margin-bottom:16px;width:52px;height:52px}
.card p{color:var(--gris);font-size:16px}
.card a.more{font:600 15px Montserrat;text-decoration:none}
.card a.more::after{content:" →"}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.points{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:18px}
.points li{padding-left:36px;position:relative}
.points li::before{content:"✓";position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;background:var(--orange);color:#fff;font-weight:800;font-size:14px;display:grid;place-items:center}
.points strong{display:block;font-family:Montserrat}

/* Réalisations / avant-après */
.ba{position:relative;overflow:hidden;border-radius:var(--rayon);aspect-ratio:4/3;user-select:none;touch-action:pan-y}
.ba .ph{position:absolute;inset:0;border-radius:0;min-height:0}
.ba .after{clip-path:inset(0 0 0 50%)}
.ba .handle{position:absolute;top:0;bottom:0;left:50%;width:4px;background:#fff;transform:translateX(-50%);pointer-events:none}
.ba .handle::after{content:"↔";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;border-radius:50%;background:#fff;color:var(--marine);display:grid;place-items:center;font-weight:700;box-shadow:0 2px 8px rgba(0,0,0,.2)}
.ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ba .tag{position:absolute;top:12px;padding:4px 10px;border-radius:6px;background:rgba(26,43,66,.85);color:#fff;font:600 12px Montserrat;z-index:2}
.proj h3{margin-top:14px}.proj p{margin:0;color:var(--gris);font-size:15px}

/* Méthode */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;list-style:none;padding:0;margin:40px 0 0;counter-reset:s}
.steps li{counter-increment:s;text-align:center;position:relative;padding-top:64px;font:600 16px Montserrat}
.steps li::before{content:counter(s);position:absolute;top:0;left:50%;transform:translateX(-50%);width:48px;height:48px;border-radius:50%;background:var(--marine);color:#fff;display:grid;place-items:center;font-size:20px}
.steps li::after{content:"";position:absolute;top:24px;left:calc(50% + 32px);right:calc(-50% + 32px);height:2px;background:var(--orange)}
.steps li:last-child::after{display:none}

/* Chiffres */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats b{display:block;font:800 48px Montserrat;color:var(--orange)}
.stats span{font-size:16px}

/* Avis */
.carousel{position:relative;max-width:760px;margin:32px auto 0}
.slide{display:none}.slide.on{display:block}
.slide blockquote{margin:0;font-size:20px;line-height:1.55}
.stars{color:var(--orange);letter-spacing:3px;font-size:20px}
.car-nav{display:flex;justify-content:center;gap:12px;margin-top:24px}
.car-nav button{width:44px;height:44px;border-radius:50%;border:2px solid var(--bleu);background:#fff;color:var(--bleu);font-size:18px;cursor:pointer}
.car-nav button:hover{background:var(--bleu);color:#fff}

/* CTA final */
.cta-final{text-align:center}
.cta-final .big-tel{display:block;font:800 36px Montserrat;color:#fff;text-decoration:none;margin:24px 0 0}

/* FAQ */
details{border:1px solid var(--bordure);border-radius:var(--rayon);padding:0;margin-bottom:12px;background:#fff}
summary{cursor:pointer;padding:18px 24px;font:600 17px Montserrat;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::after{content:"+";color:var(--orange);font-size:24px;line-height:1}
details[open] summary::after{content:"−"}
details p{padding:0 24px;color:var(--gris)}
ul.list{padding-left:20px}ul.list li{margin-bottom:8px}

/* Pied de page */
footer{background:var(--marine);color:#dfe6ef;padding:64px 0 24px;font-size:15px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
footer h4{font:700 15px Montserrat;color:#fff;margin:0 0 14px;text-transform:uppercase;letter-spacing:.08em}
footer ul{list-style:none;padding:0;margin:0}footer li{margin-bottom:8px}
footer a{color:#dfe6ef;text-decoration:none}footer a:hover{color:var(--orange)}
footer .logo{color:#fff}footer .logo img{height:44px}
footer .legal{border-top:1px solid #34475f;margin-top:40px;padding-top:20px;font-size:13px;color:#aab6c6}
.todo{background:#fff3cd;color:#7a5b00;padding:0 4px;border-radius:3px}

/* Formulaire */
.form-card{max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--bordure);border-radius:var(--rayon);padding:36px}
.progress{height:8px;background:var(--bordure);border-radius:4px;overflow:hidden;margin:8px 0 28px}
.progress i{display:block;height:100%;width:25%;background:var(--orange);transition:width .3s}
fieldset{border:0;padding:0;margin:0 0 20px;display:none}fieldset.on{display:block}
legend{font:700 24px Montserrat;margin-bottom:18px;padding:0}
label.f{display:block;font:600 15px Montserrat;margin:18px 0 6px}
label.f small{font:400 13px Inter;color:var(--gris)}
input[type=text],input[type=tel],input[type=email],input[type=number],select,textarea{width:100%;min-height:48px;padding:10px 14px;border:1px solid #cfc9bf;border-radius:8px;font:400 16px Inter;color:var(--marine);background:#fff}
textarea{min-height:120px}
.opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.opts label{display:flex;align-items:center;gap:10px;min-height:48px;padding:8px 14px;border:1px solid var(--bordure);border-radius:8px;cursor:pointer}
.opts label:has(input:checked){border-color:var(--bleu);background:#eef4fa}
.opts input{accent-color:var(--bleu);width:18px;height:18px}
.err{color:#b3261e;font-size:14px;margin-top:6px;display:none}.bad .err{display:block}
.bad>input,.bad>select,.bad>textarea{border-color:#b3261e}
.form-nav{display:flex;justify-content:space-between;gap:12px;margin-top:28px}
.hp{position:absolute;left:-9999px}
.done{text-align:center;display:none}.done h2{color:var(--bleu)}

/* Barre mobile */
.mbar{display:none}
.proto{background:#fff3cd;color:#7a5b00;text-align:center;font-size:13px;padding:6px 12px}

@media(max-width:900px){
  :root{--section:64px}
  body{font-size:16px;padding-bottom:72px}
  h1{font-size:32px}h2{font-size:24px}h3{font-size:19px}
  .page-hero h1{font-size:28px}
  .g3,.g4,.g2,.split,footer .cols{grid-template-columns:1fr}
  .split{gap:28px}
  .steps{grid-template-columns:1fr;gap:28px}
  .steps li{padding:0 0 0 64px;text-align:left}
  .steps li::before{left:0;transform:none}.steps li::after{display:none}
  .stats{grid-template-columns:1fr 1fr}.stats b{font-size:36px}
  .hero .wrap{padding-top:72px;padding-bottom:64px}
  .btn{min-height:52px}.btns .btn{width:100%}
  .checks{gap:12px;flex-direction:column}
  nav.main{display:none;position:fixed;inset:76px 0 0 0;background:#fff;padding:16px 24px;overflow:auto}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;justify-content:flex-start}
  nav.main a{font-size:18px;padding:14px 0;border-bottom:1px solid var(--bordure)}
  .sub{display:block;position:static;border:0;box-shadow:none;padding:0 0 0 16px}
  .cta-top{display:none}.burger{display:block}
  .logo span{font-size:19px}.logo img{height:40px}
  .form-card{padding:22px}
  .mbar{display:grid;grid-template-columns:1fr 1fr;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--bordure);padding:10px 12px}
  .mbar .btn{min-height:48px;padding:0 10px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Corrections après première revue */
nav.main .sub{display:none;flex-direction:column;gap:0}
nav.main .has-sub:hover .sub,nav.main .has-sub:focus-within .sub{display:block}
nav.main a{white-space:nowrap;padding:8px 10px}
.hero .ph{align-items:flex-end;justify-content:flex-end;text-align:right;font-size:12px;opacity:.85}
.ba .ph{align-items:flex-end;justify-content:flex-start;text-align:left}
.ba .ph.after{justify-content:flex-end;text-align:right}
.cta-final .lead{margin-left:auto;margin-right:auto}
@media(max-width:900px){
  nav.main .sub,nav.main .has-sub:hover .sub{display:block}
}

/* En-tête : tient à 1280 px, burger sous 1100 px */
.logo{flex:none}
.top .wrap{gap:16px}
nav.main a{font-size:14px;padding:8px 8px}
.cta-top{flex:none;gap:14px}
.cta-top .btn{white-space:nowrap;min-height:44px;padding:0 18px;font-size:15px}
@media(max-width:1100px){
  nav.main{display:none;position:fixed;inset:76px 0 0 0;background:#fff;padding:16px 24px;overflow:auto}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;justify-content:flex-start}
  nav.main a{font-size:18px;padding:14px 0;border-bottom:1px solid var(--bordure)}
  nav.main .sub{display:block;position:static;border:0;box-shadow:none;padding:0 0 0 16px}
  .cta-top{display:none}.burger{display:block}
}
nav.main a{padding:8px 6px}
nav.main ul{gap:0}
.top .wrap{gap:12px}
.cta-top{gap:12px}

/* Logos SVG : complet sur ordinateur (min. 140 px), compact sur mobile */
.top .logo img.logo-full{height:64px;width:auto;display:block}
.top .logo img.logo-compact{display:none;height:40px;width:auto}
footer .logo img{height:86px;width:auto}
@media(max-width:900px){
  .top .logo img.logo-full{display:none}
  .top .logo img.logo-compact{display:block}
  footer .logo img{height:76px}
}

/* Logo sans slogan (en-tête, pied) ; logo complet en grand dans le bandeau d'accueil */
.top .wrap{height:80px}
.top .logo img.logo-full{height:70px}
footer .logo img{height:80px}
.hero-logo{display:block;width:min(460px,80%);height:auto;margin:0 0 36px}
@media(max-width:1100px){nav.main{inset:80px 0 0 0}}
@media(max-width:900px){
  .top .wrap{height:76px}
  nav.main{inset:76px 0 0 0}
  .hero-logo{width:min(320px,85%);margin-bottom:28px}
  footer .logo img{height:72px}
}

/* Phase 3 */
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{min-height:44px;padding:0 18px;border-radius:999px;border:2px solid var(--bleu);background:#fff;color:var(--bleu);font:600 15px Montserrat;cursor:pointer}
.chip.on,.chip:hover{background:var(--bleu);color:#fff}
.rcard[hidden]{display:none}
.rbtn{all:unset;display:block;cursor:pointer;width:100%}
.rbtn:focus-visible{outline:3px solid var(--bleu);outline-offset:4px;border-radius:var(--rayon)}
.rbtn h3{margin:14px 0 4px}.rbtn:hover h3{color:var(--bleu)}
dialog{border:0;border-radius:var(--rayon);padding:28px;max-width:760px;width:calc(100% - 32px);max-height:90vh;color:var(--marine)}
dialog::backdrop{background:rgba(26,43,66,.6)}
.dclose{position:absolute;top:10px;right:14px;width:44px;height:44px;border:0;background:#fff;font-size:30px;line-height:1;cursor:pointer;color:var(--marine);z-index:5}
.legal-text{max-width:820px}.legal-text h2{font-size:22px;margin-top:32px}
#cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:80;max-width:720px;margin:0 auto;background:#fff;border:1px solid var(--bordure);border-radius:var(--rayon);padding:20px;box-shadow:0 8px 30px rgba(26,43,66,.18)}
#cookie-banner p{margin:0 0 12px;font-size:15px}
.cperso{display:grid;gap:8px;margin-bottom:12px;font-size:15px}
.cbtns{display:flex;gap:10px;flex-wrap:wrap}.cbtns .btn{min-height:48px;padding:0 16px;font-size:15px}
@media(max-width:900px){#cookie-banner{bottom:84px}.cbtns .btn{flex:1 1 100%}}
.ba .ph span{max-width:42%}
.card .btn{width:100%;white-space:normal;text-align:center;padding:10px 14px;font-size:15px;flex-wrap:wrap}
.cperso[hidden],[hidden]{display:none!important}

/* Phase 4 : vraies photos, messages d'erreur du formulaire, avis */
.photo{position:absolute;inset:0}
.photo img{width:100%;height:100%;object-fit:cover;display:block}
.rimg{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--rayon);display:block;background:var(--creme)}
.form-error{background:#fdecea;border:1px solid #f1b5b0;color:#8a1c14;padding:12px 16px;border-radius:8px;margin-top:20px}
.avis{margin:16px 0;padding:14px 18px;border-left:4px solid var(--orange);background:var(--creme);border-radius:0 8px 8px 0;font-style:italic}
.avis footer{font-style:normal;font-size:14px;color:var(--gris);margin-top:6px}