:root{
  --orange:#DA593E;--orange-f:#B8452D;--orange-c:#FDF1EE;
  --ink:#212529;--ink-2:#495057;--muted:#6C757D;
  --line:#E3E5E8;--fond:#F4F4F2;--blanc:#FFFFFF;
  --vert:#5CB85C;--wa:#1FAF55;--wa-c:#E8F7EE;
  --r:14px;
  font-family:Montserrat,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--fond);line-height:1.5;
}
*{box-sizing:border-box}
body{margin:0;background:var(--fond)}
.wrap{max-width:980px;margin:0 auto;padding:0 20px}

/* Bandeau du site */
.top{background:var(--ink);color:#fff}
.top-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{color:#fff;text-decoration:none;font-size:28px;font-weight:400;letter-spacing:.5px}
.logo span{color:var(--orange)}
.tel{display:flex;flex-direction:column;align-items:center;text-decoration:none;border-radius:6px;overflow:hidden;min-width:210px}
.tel b{display:block;width:100%;text-align:center;background:#fff;color:var(--vert);font-size:16px;padding:3px 10px}
.tel small{display:block;width:100%;text-align:center;background:var(--vert);color:#fff;font-size:10px;padding:2px 10px}

/* En-tête de page */
.hero{position:relative;color:#fff;background:
  linear-gradient(180deg,rgba(33,37,41,.86),rgba(33,37,41,.94)),
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='60'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.10' stroke-width='2'%3E%3Cpath d='M0 1h120M0 31h120M1 1v30M61 1v30M31 31v30M91 31v30'/%3E%3C/g%3E%3C/svg%3E"),
  linear-gradient(135deg,#3a3f45,#1b1e21)}
.hero-in{padding:46px 20px 78px;text-align:center}
.kicker{display:inline-block;margin:0 0 14px;padding:5px 12px;border:1px solid rgba(255,255,255,.35);border-radius:99px;font-size:12px;letter-spacing:1.5px;text-transform:uppercase}
.hero h1{margin:0;font-weight:300;text-transform:uppercase;font-size:44px;line-height:1.1;letter-spacing:1px}
.bar{display:block;width:180px;height:4px;background:var(--orange);margin:20px auto;border-radius:2px}
.lead{font-size:20px;margin:0 0 18px}
.lead em{font-weight:700}
.lead span{color:var(--orange)}
.promesses{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 22px;font-size:14px}
.promesses i{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--orange);color:#fff;font-style:normal;font-size:12px;margin-right:8px}
.promesses i.wa{background:var(--wa)}

/* Étapes */
main{position:relative;margin-top:-46px;padding-bottom:40px}
.steps{list-style:none;margin:0 0 14px;padding:16px 20px;background:var(--blanc);border-radius:var(--r);box-shadow:0 10px 30px rgba(33,37,41,.08);display:grid;grid-template-columns:repeat(5,1fr);counter-reset:s}
.steps li{position:relative;text-align:center;font-size:12px;font-weight:600;color:var(--muted)}
.steps li::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:28px;height:28px;margin:0 auto 6px;border-radius:50%;background:#C9CDD2;color:#fff;font-size:13px;position:relative;z-index:1}
.steps li::after{content:"";position:absolute;top:13px;left:calc(-50% + 14px);right:calc(50% + 14px);height:3px;background:#C9CDD2}
.steps li:first-child::after{display:none}
.steps li.fait,.steps li.actif{color:var(--orange)}
.steps li.fait::before,.steps li.actif::before,.steps li.fait::after,.steps li.actif::after{background:var(--orange)}
.steps li.fait::before{content:"✓"}
.steps li.actif::before{box-shadow:0 0 0 5px var(--orange-c)}

/* Panneau */
.panel{background:var(--blanc);border-radius:var(--r);box-shadow:0 10px 30px rgba(33,37,41,.08);padding:34px 38px}
h2{font-size:26px;font-weight:600;margin:0 0 6px;line-height:1.25}
h2:focus{outline:none}
.sous{color:var(--muted);margin:0 0 22px;font-size:15px}
.q{margin:24px 0 0;padding-top:22px;border-top:1px solid var(--line)}
.q:first-of-type{border-top:0;padding-top:0}
.q-titre{display:block;font-weight:600;font-size:16px;margin-bottom:12px}
.aide{color:var(--muted);font-size:13px;margin:8px 0 0}

/* Ouvrages */
.ouvrages{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.ouvrage{position:relative;display:flex;align-items:center;gap:12px;padding:14px;border:2px solid var(--line);border-radius:12px;cursor:pointer;background:#fff;transition:border-color .15s,box-shadow .15s,transform .15s;font-weight:600;font-size:14px}
.ouvrage:hover{border-color:#CBB;transform:translateY(-1px)}
.ouvrage svg{flex:none;width:42px;height:42px;padding:8px;border-radius:10px;background:var(--fond);color:var(--ink-2)}
.ouvrage input{position:absolute;opacity:0;pointer-events:none}
.ouvrage:has(input:checked){border-color:var(--orange);background:var(--orange-c);box-shadow:0 6px 18px rgba(218,89,62,.15)}
.ouvrage:has(input:checked) svg{background:var(--orange);color:#fff}
.ouvrage:has(input:focus-visible){outline:3px solid var(--orange);outline-offset:2px}
.ouvrage.vedette::after{content:"Le plus demandé";position:absolute;top:-9px;right:10px;background:var(--ink);color:#fff;font-size:10px;font-weight:600;padding:2px 8px;border-radius:99px}

/* Choix en pastilles */
.choix{display:flex;flex-wrap:wrap;gap:8px}
.pastille{position:relative;cursor:pointer}
.pastille input{position:absolute;opacity:0;pointer-events:none}
.pastille span{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:2px solid var(--line);border-radius:99px;font-size:14px;font-weight:500;background:#fff;transition:all .15s}
.pastille span::before{content:"";width:14px;height:14px;border-radius:50%;border:2px solid #C9CDD2;flex:none;transition:all .15s}
.pastille:hover span{border-color:#CBB}
.pastille input:checked+span{border-color:var(--orange);background:var(--orange-c);color:var(--orange-f);font-weight:600}
.pastille input:checked+span::before{border-color:var(--orange);background:var(--orange);box-shadow:inset 0 0 0 2px #fff}
.pastille input:focus-visible+span{outline:3px solid var(--orange);outline-offset:2px}

/* Champs */
.champs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.champ{display:block;font-weight:600;font-size:14px}
.champ input,.champ textarea{display:block;width:100%;margin-top:8px;padding:13px 14px;border:2px solid var(--line);border-radius:10px;font:inherit;font-weight:500;color:var(--ink);background:#fff;transition:border-color .15s}
.champ input:focus,.champ textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 4px var(--orange-c)}
.unite{position:relative;display:block}
.unite input{padding-right:46px}
.unite em{position:absolute;right:14px;bottom:14px;font-style:normal;color:var(--muted);font-weight:500}
.case{display:flex;gap:10px;align-items:flex-start;margin:18px 0 0;font-size:14px;cursor:pointer}
.case input{width:20px;height:20px;margin:1px 0 0;accent-color:var(--orange);flex:none}

/* Budget */
.budget-val{float:right;color:var(--orange);font-weight:700}
input[type=range]{width:100%;accent-color:var(--orange);margin:12px 0 4px}

/* Encadrés */
.encadre{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:12px;background:var(--wa-c);margin-top:26px;font-size:14px}
.encadre svg{flex:none;width:28px;height:28px;color:var(--wa)}
.encadre b{display:block;margin-bottom:2px}

/* Récapitulatif */
.recap{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:8px;margin:0 0 6px}
.recap div{background:var(--fond);border-radius:10px;padding:10px 12px}
.recap dt{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted)}
.recap dd{margin:2px 0 0;font-weight:600;font-size:14px;overflow-wrap:anywhere}
.etude{border-left:4px solid var(--orange);background:var(--orange-c);padding:12px 16px;border-radius:0 10px 10px 0;font-size:14px;margin:16px 0 0}

/* Fin */
.fin{text-align:center;padding:10px 0}
.fin .rond{display:grid;place-items:center;width:84px;height:84px;margin:0 auto 18px;border-radius:50%;background:var(--wa);color:#fff;box-shadow:0 0 0 10px var(--wa-c)}
.fin .rond svg{width:42px;height:42px}
.fin h2{font-size:28px}
.fin .sous{max-width:520px;margin:8px auto 24px}
.etapes-fin{list-style:none;padding:0;margin:0 auto 24px;max-width:520px;text-align:left;display:grid;gap:10px}
.etapes-fin li{display:flex;gap:12px;align-items:center;background:var(--fond);border-radius:12px;padding:12px 14px;font-size:14px}
.etapes-fin b{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--orange);color:#fff;flex:none}
.lien{background:none;border:0;color:var(--muted);text-decoration:underline;font:inherit;font-size:13px;cursor:pointer}

/* Boutons */
.actions[hidden]{display:none}
.actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}
button{font:inherit;cursor:pointer}
.cta{margin-left:auto;background:var(--orange);color:#fff;border:0;border-radius:10px;padding:15px 30px;font-weight:700;font-size:16px;box-shadow:0 8px 20px rgba(218,89,62,.28);transition:background .15s,transform .15s}
.cta:hover{background:var(--orange-f);transform:translateY(-1px)}
.cta.wa::before{content:"";display:inline-block;width:18px;height:18px;margin:-3px 8px 0 0;vertical-align:middle;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 0 0-8.6 15.1L2 22l5-1.3A10 10 0 1 0 12 2z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 0 0-8.6 15.1L2 22l5-1.3A10 10 0 1 0 12 2z'/%3E%3C/svg%3E") center/contain no-repeat}
.cta.wa{background:var(--wa);box-shadow:0 8px 20px rgba(31,175,85,.28)}
.cta.wa:hover{background:#178f45}
.ghost{background:none;border:2px solid var(--line);border-radius:10px;padding:13px 20px;font-weight:600;color:var(--ink-2)}
.ghost:hover{border-color:var(--ink-2)}
button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
#error{color:#B02A1A;font-weight:600;font-size:14px;margin:16px 0 0}
#error:empty{display:none}
.demo{text-align:center;font-size:12px;color:var(--muted);margin:18px 0 0}

.anim{animation:entre .25s ease-out}
@keyframes entre{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.anim{animation:none}*{transition:none!important}}

@media(max-width:700px){
  .wrap{padding:0 16px}
  .top-in{height:56px}
  .logo{font-size:22px}
  .tel{min-width:0}
  .tel b{font-size:13px;padding:2px 8px}
  .tel small{font-size:9px}
  .hero-in{padding:22px 16px 60px}
  .kicker{display:none}
  .hero h1{font-size:30px}
  .bar{width:120px;margin:14px auto}
  .lead{font-size:16px}
  .promesses{flex-direction:column;align-items:center;gap:6px;font-size:13px}
  .steps{padding:12px 8px}
  .steps li{font-size:0}
  .steps li.actif{font-size:11px}
  .panel{padding:22px 18px 18px}
  h2{font-size:21px}
  .ouvrages{grid-template-columns:1fr 1fr;gap:8px}
  .ouvrage{flex-direction:column;align-items:flex-start;gap:8px;padding:12px;font-size:13px}
  .ouvrage.vedette::after{font-size:9px}
  .champs{grid-template-columns:1fr}
  .pastille span{padding:9px 13px;font-size:13px}
  .actions{position:sticky;bottom:0;background:#fff;margin:24px -18px -18px;padding:12px 18px calc(12px + env(safe-area-inset-bottom));border-radius:0 0 var(--r) var(--r);box-shadow:0 -6px 16px rgba(33,37,41,.06)}
  .cta{flex:1;padding:15px 16px}
}

/* Questions groupées */
fieldset.q{border:0;border-top:1px solid var(--line);padding:22px 0 0;margin:24px 0 0;min-width:0}
legend.q-titre{float:left;width:100%;padding:0}
legend.q-titre+*{clear:both}
.sous+.q,.sous+fieldset.q{border-top:0;padding-top:0;margin-top:0}
.recap+.q,.etude+.q{margin-top:22px}

/* Questions une par une */
.q.cache{display:none}
.q.apparait{animation:entre .3s ease-out}
.facultatif{font-style:normal;font-weight:500;font-size:12px;color:var(--muted);background:var(--fond);padding:2px 8px;border-radius:99px;margin-left:6px}

/* Photos */
.photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px}
.vignette{position:relative;margin:0;aspect-ratio:1;border-radius:10px;overflow:hidden;background:var(--fond)}
.vignette img{width:100%;height:100%;object-fit:cover;display:block}
.suppr{position:absolute;top:6px;right:6px;width:28px;height:28px;border-radius:50%;border:0;background:rgba(33,37,41,.75);color:#fff;font-size:18px;line-height:1}
.depot{position:relative;grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:22px 16px;border:2px dashed #C9CDD2;border-radius:12px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}
.photos:has(.vignette) .depot{grid-column:auto;aspect-ratio:1;justify-content:center;padding:10px}
.photos:has(.vignette) .depot small{display:none}
.depot:hover{border-color:var(--orange);background:var(--orange-c)}
.depot input{position:absolute;opacity:0;width:1px;height:1px}
.depot:has(input:focus-visible){outline:3px solid var(--orange);outline-offset:2px}
.depot svg{width:34px;height:34px;color:var(--orange)}
.depot b{font-size:15px}
.depot small{color:var(--muted);font-size:13px}
.cta.attente{opacity:.55}

/* Aperçu interne du devis WhatsApp (prototype) */
.interne{margin:26px auto 0;max-width:560px;padding:14px;border:1px dashed #C9CDD2;border-radius:12px;font-size:13px;color:var(--muted)}
.interne b{display:block;margin-bottom:4px;color:var(--ink-2)}
#bulle{margin:14px 0 0;text-align:left;background:#DCF8C6;color:#111;border-radius:0 12px 12px 12px;padding:12px 14px;font-size:14px;line-height:1.45;box-shadow:0 1px 1px rgba(0,0,0,.1)}
#bulle b{display:inline;color:#111;margin:0}

/* Bandeau cookies (suivi.js) : en bas, sans bloquer la page */
.cookies{position:fixed;left:16px;right:16px;bottom:16px;z-index:50;max-width:720px;margin:0 auto;display:flex;gap:14px;align-items:center;background:var(--blanc);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;box-shadow:0 10px 30px rgba(0,0,0,.15);font-size:13px;color:var(--ink-2)}
.cookies p{margin:0;flex:1;line-height:1.4}
.cookies div{display:flex;gap:8px;flex:none}
.cookies .cta{margin:0;padding:9px 16px;font-size:14px;box-shadow:none;flex:none}
.cookies .ghost{padding:7px 14px;font-size:14px}
@media(max-width:560px){.cookies{flex-direction:column;align-items:stretch}.cookies div>*{flex:1}}