/* ============ CLIMYO — design system ============ */
:root{
  --encre:#0E2A38;
  --encre-70:#33505F;
  --encre-45:#7A94A1;
  --froid:#2E9BC6;
  --froid-fonce:#1E7BA0;
  --chaud:#E8833A;
  --chaud-fonce:#C9651F;
  --glace:#F5FAFC;
  --givre:#E3EFF4;
  --blanc:#FFFFFF;
  --accent:var(--froid);
  --accent-fonce:var(--froid-fonce);
  --radius:16px;
  --shadow:0 10px 34px rgba(14,42,56,.09);
  --shadow-sm:0 4px 14px rgba(14,42,56,.07);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Figtree',sans-serif;color:var(--encre);background:var(--glace);line-height:1.65;font-size:16px}
h1,h2,h3,h4{font-family:'Bricolage Grotesque',sans-serif;line-height:1.12;letter-spacing:-.015em}
img,svg{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:700;padding:14px 28px;border-radius:999px;text-decoration:none;border:none;font-size:1rem;cursor:pointer;transition:background .2s,transform .15s,box-shadow .2s;font-family:inherit}
.btn:hover{background:var(--accent-fonce);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--encre);outline-offset:2px}
.btn.ghost{background:transparent;color:var(--encre);border:1.5px solid var(--givre)}
.btn.ghost:hover{background:var(--blanc);border-color:var(--accent);color:var(--accent-fonce)}
.btn.chaud{background:var(--chaud)}
.btn.chaud:hover{background:var(--chaud-fonce)}

/* Révélation au défilement — sobre */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.vu{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* ============ En-tête ============ */
header.site{position:sticky;top:0;z-index:60;background:rgba(245,250,252,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--givre)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px}
.logo{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:1.55rem;letter-spacing:-.02em;text-decoration:none;display:flex;align-items:baseline;flex:none}
.logo .y{background:linear-gradient(135deg,var(--froid) 30%,var(--chaud) 75%);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo .pivot{display:inline-block;width:.5em;height:.5em;margin-left:3px;border-radius:50%;background:linear-gradient(135deg,var(--froid),var(--chaud));transform:translateY(-2px)}
nav.menu{display:flex;gap:26px;align-items:center}
nav.menu a{text-decoration:none;font-weight:600;font-size:.95rem;color:var(--encre-70);transition:color .2s}
nav.menu a:hover,nav.menu a.actif{color:var(--encre)}
nav.menu a.actif{position:relative}
nav.menu a.actif::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2.5px;border-radius:2px;background:linear-gradient(90deg,var(--froid),var(--chaud))}
.nav-actions{display:flex;align-items:center;gap:14px}
.tel{font-weight:700;text-decoration:none;font-size:.95rem;white-space:nowrap;color:var(--encre)}
.tel b{color:var(--accent-fonce)}
.nav-actions .btn{padding:10px 20px;font-size:.92rem}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2.5px;background:var(--encre);margin:5px 0;border-radius:2px;transition:transform .25s,opacity .25s}
@media(max-width:920px){
  nav.menu{position:fixed;inset:70px 0 auto 0;background:var(--blanc);flex-direction:column;gap:0;padding:10px 0 16px;border-bottom:1px solid var(--givre);box-shadow:var(--shadow);transform:translateY(-130%);transition:transform .3s;align-items:stretch}
  nav.menu.ouvert{transform:none}
  nav.menu a{padding:13px 24px}
  nav.menu a.actif::after{display:none}
  .burger{display:block}
  .tel .txt{display:none}
}
body.menu-ouvert .burger span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
body.menu-ouvert .burger span:nth-child(2){opacity:0}
body.menu-ouvert .burger span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ============ Sections génériques ============ */
section{padding:84px 0}
section.blanc{background:var(--blanc)}
.sec-head{max-width:660px;margin-bottom:44px}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-fonce);margin-bottom:14px}
.sec-head .eyebrow::before{content:"";width:28px;height:2px;background:linear-gradient(90deg,var(--froid),var(--chaud))}
.sec-head h1,.sec-head h2{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:800;margin-bottom:12px}
.sec-head p{color:var(--encre-70);font-size:1.05rem}
.centre{text-align:center}
.centre .sec-head{margin-left:auto;margin-right:auto}

/* ============ Hero accueil ============ */
.hero{padding:72px 0 84px;background:linear-gradient(165deg,var(--givre) 0%,var(--glace) 58%);transition:background .7s ease}
body.mode-hiver .hero{background:linear-gradient(165deg,#F9EDE2 0%,var(--glace) 58%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.hero h1{font-size:clamp(2.1rem,5.2vw,3.4rem);font-weight:800;margin:18px 0 18px}
.hero h1 .grad{background:linear-gradient(90deg,var(--froid),var(--chaud));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.12rem;color:var(--encre-70);max-width:48ch;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.switch{display:inline-flex;background:var(--blanc);border:1px solid var(--givre);border-radius:999px;padding:5px;gap:4px;box-shadow:var(--shadow-sm)}
.switch button{border:none;background:transparent;font-family:inherit;font-weight:700;font-size:.95rem;padding:9px 22px;border-radius:999px;cursor:pointer;color:var(--encre-45);transition:background .3s,color .3s}
.switch button[aria-pressed="true"]{color:#fff}
.switch button.ete[aria-pressed="true"]{background:var(--froid)}
.switch button.hiver[aria-pressed="true"]{background:var(--chaud)}
.trust{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:.92rem;font-weight:600;color:var(--encre-70);list-style:none}
.trust li{display:flex;align-items:center;gap:8px}
.trust li::before{content:"✓";color:var(--accent);font-weight:800}

/* Visuel hero : scène pièce illustrée */
.hero-visu{background:var(--blanc);border-radius:24px;box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--givre)}
.hero-visu svg{width:100%;height:auto}
.hero-visu .legende{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;font-size:.85rem;color:var(--encre-45)}
.hero-visu .legende b{color:var(--encre);font-family:'Bricolage Grotesque',sans-serif}

/* ============ Bandeau chiffres ============ */
.band{background:var(--encre);color:#fff;padding:40px 0}
.band .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
@media(max-width:820px){.band .wrap{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.band .wrap{grid-template-columns:1fr}}
.band strong{display:block;font-family:'Bricolage Grotesque',sans-serif;font-size:2rem;font-weight:800}
.band strong i{font-style:normal}
.band span{font-size:.88rem;opacity:.82}

/* ============ Cartes génériques ============ */
.grille-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grille-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:880px){.grille-3{grid-template-columns:1fr}.grille-2{grid-template-columns:1fr}}
.carte{background:var(--blanc);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow-sm);border:1px solid var(--givre);transition:transform .2s,box-shadow .2s}
.carte:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.carte .ico{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--froid),var(--chaud));color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.15rem;font-family:'Bricolage Grotesque',sans-serif;margin-bottom:16px}
.carte h3{font-size:1.15rem;margin-bottom:8px}
.carte p{font-size:.95rem;color:var(--encre-70)}
.lien-fleche{font-weight:700;text-decoration:none;color:var(--accent-fonce);display:inline-flex;align-items:center;gap:6px;margin-top:14px}
.lien-fleche::after{content:"→";transition:transform .2s}
.lien-fleche:hover::after{transform:translateX(4px)}

/* ============ Avant / après ============ */
.ba{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--givre);background:var(--blanc);user-select:none}
.ba .couche{display:block;width:100%}
.ba .apres{position:absolute;inset:0;clip-path:inset(0 0 0 50%)}
.ba .poignee{position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;box-shadow:0 0 0 1px rgba(14,42,56,.15);transform:translateX(-1.5px);pointer-events:none}
.ba .poignee::after{content:"↔";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:38px;height:38px;background:#fff;border-radius:50%;display:grid;place-items:center;font-weight:800;color:var(--encre);box-shadow:var(--shadow-sm)}
.ba input[type=range]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ba .tag{position:absolute;top:12px;font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;background:rgba(255,255,255,.92);padding:4px 12px;border-radius:999px;color:var(--encre)}
.ba .tag.avant{left:12px}
.ba .tag.apres-t{right:12px}
.projet{background:var(--blanc);border-radius:var(--radius);border:1px solid var(--givre);overflow:hidden;box-shadow:var(--shadow-sm)}
.projet .infos{padding:20px 22px}
.projet .infos h3{font-size:1.1rem}
.projet .infos .lieu{font-size:.85rem;color:var(--accent-fonce);font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.projet .infos p{font-size:.92rem;color:var(--encre-70);margin-top:6px}
.note-placeholder{font-size:.82rem;color:var(--encre-45);margin-top:24px;text-align:center}

/* ============ Chronologie sélection (réseau) ============ */
.chrono{position:relative;max-width:760px;margin:0 auto;padding-left:34px}
.chrono::before{content:"";position:absolute;left:10px;top:6px;bottom:6px;width:2.5px;border-radius:2px;background:linear-gradient(180deg,var(--froid),var(--chaud))}
.jalon{position:relative;padding:0 0 38px 18px}
.jalon:last-child{padding-bottom:0}
.jalon::before{content:"";position:absolute;left:-31px;top:5px;width:15px;height:15px;border-radius:50%;background:var(--blanc);border:3.5px solid var(--froid)}
.jalon:nth-child(3)::before{border-color:#8F8F63}
.jalon:nth-child(4)::before,.jalon:nth-child(5)::before{border-color:var(--chaud)}
.jalon .etiquette{font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-fonce)}
.jalon h3{font-size:1.2rem;margin:4px 0 6px}
.jalon p{color:var(--encre-70);font-size:.97rem;max-width:56ch}
.artisan{display:flex;gap:16px;align-items:center}
.artisan .avatar{flex:none;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--froid),var(--chaud));color:#fff;display:grid;place-items:center;font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:1.2rem}
.artisan h3{font-size:1.05rem}
.artisan .role{font-size:.85rem;color:var(--encre-70)}
.artisan .zone{font-size:.8rem;color:var(--accent-fonce);font-weight:700}

/* ============ Prix ============ */
.offre{border:1.5px solid var(--givre);border-radius:var(--radius);padding:30px 26px;position:relative;background:var(--glace);display:flex;flex-direction:column}
.offre.populaire{border-color:var(--accent);background:var(--blanc);box-shadow:var(--shadow)}
.offre .tag{position:absolute;top:-14px;left:24px;background:var(--accent);color:#fff;font-size:.75rem;font-weight:700;padding:5px 14px;border-radius:999px}
.offre h3{font-size:1.2rem}
.offre .desc{font-size:.9rem;color:var(--encre-45);margin:4px 0 16px}
.offre .p{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:2rem}
.offre .p small{font-size:.85rem;font-weight:600;color:var(--encre-45);font-family:'Figtree',sans-serif;display:block;margin-top:2px}
.offre ul{list-style:none;margin:16px 0 20px;font-size:.92rem;color:var(--encre-70);flex:1}
.offre li{padding:5px 0 5px 24px;position:relative}
.offre li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.prix-note{font-size:.82rem;color:var(--encre-45);margin-top:20px;max-width:72ch}
.simu{background:var(--blanc);border-radius:var(--radius);border:1px solid var(--givre);box-shadow:var(--shadow-sm);padding:30px;max-width:640px;margin:0 auto}
.simu label{font-weight:700;font-size:.95rem;display:block;margin-bottom:14px}
.simu input[type=range]{width:100%;accent-color:var(--accent);height:6px}
.simu .lignes{display:flex;justify-content:space-between;font-size:.85rem;color:var(--encre-45);margin-top:6px}
.simu .resultat{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-top:22px;padding-top:20px;border-top:1px solid var(--givre);flex-wrap:wrap}
.simu .resultat .mens{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:2.1rem;color:var(--accent-fonce)}
.simu .resultat .mens small{font-size:.95rem;font-family:'Figtree',sans-serif;font-weight:600;color:var(--encre-70)}

/* ============ Avis ============ */
.avis-carrousel{display:grid;grid-auto-flow:column;grid-auto-columns:min(88%,380px);gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;-webkit-overflow-scrolling:touch}
.avis-carrousel::-webkit-scrollbar{height:8px}
.avis-carrousel::-webkit-scrollbar-thumb{background:var(--givre);border-radius:8px}
.avis-card{scroll-snap-align:start;background:var(--glace);border-radius:var(--radius);padding:26px;border:1px solid var(--givre)}
.stars{color:var(--chaud);letter-spacing:2.5px;margin-bottom:10px}
.avis-card p{font-size:.95rem;color:var(--encre-70)}
.avis-card .qui{margin-top:14px;font-weight:700;font-size:.88rem}
.avis-card .qui span{font-weight:500;color:var(--encre-45)}

/* ============ FAQ ============ */
.faq details{background:var(--blanc);border-radius:var(--radius);border:1px solid var(--givre);margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;font-weight:700;padding:19px 24px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:'Bricolage Grotesque',sans-serif;font-size:1.4rem;color:var(--accent);flex:none}
.faq details[open] summary::after{content:"–"}
.faq .rep{padding:0 24px 20px;color:var(--encre-70);font-size:.95rem}

/* ============ CTA final ============ */
.final{background:linear-gradient(120deg,var(--encre) 0%,#123A4D 55%,var(--froid-fonce) 135%);color:#fff;text-align:center}
.final h2{font-size:clamp(1.7rem,4vw,2.5rem);font-weight:800;margin-bottom:14px}
.final p{opacity:.9;max-width:54ch;margin:0 auto 28px}
.final .ou{display:block;margin-top:18px;font-size:.95rem}
.final .ou a{color:#fff;font-weight:700}

/* ============ Pied de page ============ */
footer.site{background:var(--encre);color:#9DB4C0;padding:52px 0 32px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:34px;margin-bottom:36px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr}}
footer.site .logo{color:#fff;margin-bottom:12px}
footer.site h4{color:#fff;font-size:.95rem;margin-bottom:12px}
footer.site ul{list-style:none}
footer.site li{margin-bottom:8px}
footer.site a{color:#CFE0E8;text-decoration:none}
footer.site a:hover{color:#fff}
.foot-bas{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;font-size:.82rem}
.foot-bas button{background:none;border:none;color:#CFE0E8;cursor:pointer;font:inherit;text-decoration:underline;padding:0}

/* ============ Formulaire multi-étapes (devis) ============ */
.devis-page{max-width:680px;margin:0 auto}
.progress{display:flex;align-items:center;gap:0;margin-bottom:36px}
.progress .pas{flex:1;height:5px;border-radius:4px;background:var(--givre);position:relative;transition:background .35s}
.progress .pas + .pas{margin-left:8px}
.progress .pas.fait{background:linear-gradient(90deg,var(--froid),var(--chaud))}
.etape-form{display:none;animation:apparait .35s ease}
.etape-form.active{display:block}
@keyframes apparait{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.etape-form h2{font-size:clamp(1.4rem,3vw,1.8rem);margin-bottom:8px}
.etape-form .aide{color:var(--encre-70);margin-bottom:24px;font-size:.98rem}
.choix{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}
.choix label{cursor:pointer;display:block}
.choix input{position:absolute;opacity:0;pointer-events:none}
.choix .case{display:block;background:var(--blanc);border:2px solid var(--givre);border-radius:var(--radius);padding:22px 18px;text-align:center;transition:border-color .2s,box-shadow .2s,transform .15s;height:100%}
.choix .case .emo{font-size:1.7rem;display:block;margin-bottom:8px}
.choix .case b{display:block;font-size:1rem}
.choix .case small{color:var(--encre-45);font-size:.83rem}
.choix label:hover .case{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.choix input:checked + .case{border-color:var(--accent);box-shadow:0 0 0 3px rgba(46,155,198,.15)}
.choix input:focus-visible + .case{outline:3px solid var(--encre);outline-offset:2px}
.champ{margin-bottom:18px}
.champ label{display:block;font-weight:700;font-size:.92rem;margin-bottom:7px}
.champ input,.champ select{width:100%;padding:14px 16px;border:1.5px solid #CFE0E8;border-radius:12px;font-size:1rem;font-family:inherit;background:var(--blanc);color:var(--encre)}
.champ input:focus,.champ select:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.champ .err{display:none;color:#C0392B;font-size:.84rem;font-weight:600;margin-top:5px}
.champ.invalide input,.champ.invalide select{border-color:#C0392B}
.champ.invalide .err{display:block}
.nav-form{display:flex;justify-content:space-between;gap:14px;margin-top:32px}
.nav-form .btn.retour{background:transparent;color:var(--encre-70);border:1.5px solid var(--givre)}
.nav-form .btn.retour:hover{background:var(--blanc);color:var(--encre)}
.recap{background:var(--blanc);border:1px solid var(--givre);border-radius:var(--radius);padding:20px 22px;margin-bottom:22px;font-size:.95rem}
.recap dt{font-weight:700;color:var(--encre-45);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;margin-top:12px}
.recap dt:first-child{margin-top:0}
.recap dd{margin:0}
.confirm-devis{text-align:center;padding:40px 10px}
.confirm-devis .big{font-size:3rem}
.confirm-devis h2{margin:12px 0 8px}
.confirm-devis p{color:var(--encre-70);max-width:46ch;margin:0 auto}
.rgpd-note{font-size:.78rem;color:var(--encre-45);margin-top:14px}

/* ============ Pages légales ============ */
.legal{max-width:760px;margin:0 auto}
.legal h1{font-size:clamp(1.7rem,4vw,2.3rem);margin-bottom:8px}
.legal .maj{color:var(--encre-45);font-size:.88rem;margin-bottom:34px}
.legal h2{font-size:1.25rem;margin:34px 0 10px}
.legal p,.legal li{color:var(--encre-70);font-size:.97rem}
.legal ul{padding-left:22px;margin:10px 0}
.legal .a-completer{background:#FDF3E7;border:1px dashed var(--chaud);border-radius:8px;padding:2px 8px;font-weight:700;color:var(--chaud-fonce)}
.legal table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.9rem}
.legal th,.legal td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--givre);color:var(--encre-70)}
.legal th{color:var(--encre);font-weight:700}

/* ============ Bandeau cookies ============ */
.cookie-bandeau{position:fixed;left:16px;right:16px;bottom:16px;z-index:100;background:var(--blanc);border:1px solid var(--givre);border-radius:var(--radius);box-shadow:0 16px 50px rgba(14,42,56,.22);padding:24px;max-width:520px;margin:0 auto;display:none}
.cookie-bandeau.visible{display:block;animation:apparait .4s ease}
.cookie-bandeau h3{font-size:1.1rem;margin-bottom:8px}
.cookie-bandeau p{font-size:.88rem;color:var(--encre-70);margin-bottom:16px}
.cookie-bandeau p a{color:var(--accent-fonce)}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap}
.cookie-actions .btn{padding:11px 20px;font-size:.9rem;flex:1;text-align:center;min-width:130px}
.cookie-prefs{display:none;margin:14px 0 4px}
.cookie-prefs.visible{display:block}
.cookie-prefs label{display:flex;align-items:flex-start;gap:10px;padding:10px 0;font-size:.9rem;border-top:1px solid var(--givre);cursor:pointer}
.cookie-prefs label b{display:block}
.cookie-prefs label small{color:var(--encre-45)}
.cookie-prefs input{margin-top:4px;accent-color:var(--accent);width:17px;height:17px;flex:none}