/* ================================================================
   pompe-a-chaleur-sion.ch — registre « Bisse & chaux » (Valais central)
   Chaux blanchie · prune du vignoble · ocre soleil · bleu de bisse
   Peau : le fil d'eau — aucun flou, un filet qui déborde sous le bloc
================================================================ */
@font-face{font-family:'Petrona';font-weight:100 900;font-display:swap;src:url(/fonts/petrona-var.woff2) format('woff2')}
@font-face{font-family:'Manrope';font-weight:400;font-display:swap;src:url(/fonts/manrope-400.woff2) format('woff2')}
@font-face{font-family:'Manrope';font-weight:700;font-display:swap;src:url(/fonts/manrope-700.woff2) format('woff2')}
@font-face{font-family:'PlexMono';font-weight:600;font-display:swap;src:url(/fonts/plexmono-600.woff2) format('woff2')}

:root{
  --bg:#f4f0e6;--bg2:#faf7f0;
  --enc:#241f26;--enc2:#4c4450;--mut:#6b6270;
  --pru:#4e2a52;--pru-cl:#6d3d72;
  --amb:#c9820f;--amb-t:#8a5109;--bis:#2d6f8a;
  --line:#ded5c6;--ok:#2c7a52;
  --bord:#918571;--nuit:#2a1e30;--nuit2:#1d1522;
  /* le motif : deux nappes à deux angles, pas coprimes 83 / 11 */
  --bisse:repeating-linear-gradient(94deg,rgba(45,111,138,.16) 0 1.5px,transparent 1.5px 83px);
  --pente:repeating-linear-gradient(63deg,rgba(36,31,38,.07) 0 1px,transparent 1px 11px);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg2);color:var(--enc);font-family:'Manrope',system-ui,sans-serif;font-size:16px;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:var(--amb-t)}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:var(--enc);padding:10px 16px;z-index:200;border-radius:0 0 6px 0}
.skip:focus{left:0}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--bis);outline-offset:2px}
/* la peau « fil d'eau » : un filet de bisse sous le bloc, qui déborde à gauche */
.card,.pum-card,.chip,.col-etape,.stat,.step,.faq-item,.art-card,.poste,.fiche div,.communes-grid a{position:relative}
.card::after,.pum-card::after,.chip::after,.col-etape::after,.stat::after,.step::after,.faq-item::after,.art-card::after,.poste::after,.fiche div::after,.communes-grid a::after{content:'';position:absolute;left:-14px;right:0;bottom:-2px;height:2px;background:var(--bis);pointer-events:none;transition:left .2s}
.card:hover::after,.pum-card:hover::after,.chip:hover::after,.col-etape:hover::after,.stat:hover::after,.step:hover::after,.faq-item:hover::after,.art-card:hover::after,.poste:hover::after,.fiche div:hover::after,.communes-grid a:hover::after{left:-22px}
.wrap{width:min(1240px,100%);margin:0 auto;padding-left:26px;padding-right:26px}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

/* ---------------- header ---------------- */
.site-head{position:sticky;top:0;z-index:80;display:flex;align-items:center;gap:20px;padding:12px 26px;background:rgba(250,247,240,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:border-color .25s}
.site-head.scrolle{border-bottom-color:var(--bis)}
.logo{font-family:'Petrona';font-weight:900;font-size:20.5px;color:var(--enc);text-decoration:none;white-space:nowrap}
.logo-p{color:var(--amb-t)}
.nav{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
.nav a{color:var(--enc2);text-decoration:none;font-size:14px;font-weight:700;padding:8px 11px;border-radius:6px;transition:background .18s,color .18s,transform .18s}
.nav a:hover{background:rgba(78,42,82,.09);color:var(--pru);transform:translateY(-1px)}
.nav a.on{color:var(--amb-t)}
.head-cta{font-weight:700;font-size:14px;color:#fff;text-decoration:none;background:linear-gradient(135deg,var(--pru-cl),var(--pru));padding:10px 18px;border-radius:6px;white-space:nowrap;border-bottom:2px solid var(--bis);transition:transform .18s,background .18s}
.head-cta:hover{transform:translateY(-2px);background:var(--pru-cl)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2.5px;background:var(--enc);border-radius:2px;transition:transform .25s,opacity .25s}
@media (max-width:1080px){
  .nav{position:fixed;inset:57px 0 auto 0;background:rgba(250,247,240,.98);backdrop-filter:blur(14px);flex-direction:column;padding:18px 26px 24px;gap:4px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .3s ease;margin:0}
  .nav.ouvert{transform:none}
  .nav a{font-size:16px;padding:12px 10px}
  .burger{display:flex}
  .burger.x span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .burger.x span:nth-child(2){opacity:0}
  .burger.x span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .head-cta{margin-left:auto}
}

/* ---------------- hero : calques de matière ---------------- */
.hero{position:relative;overflow:hidden;background:var(--bg);isolation:isolate}
.hero-max{min-height:92vh;display:flex;align-items:center}
.hero-page{padding:8px 0 20px}
.foyers{position:absolute;inset:-10%;z-index:1;pointer-events:none;will-change:transform}
.foyers i{position:absolute;border-radius:50%;will-change:transform;backface-visibility:hidden;transform:translateZ(0)}
.f1{width:52vw;height:44vw;right:-14%;top:-20%;background:radial-gradient(closest-side,rgba(201,130,15,.4),rgba(201,130,15,.13) 55%,transparent 75%);filter:blur(64px);animation:d1 23s ease-in-out infinite alternate}
.f2{width:38vw;height:34vw;right:6%;bottom:-18%;background:radial-gradient(closest-side,rgba(109,61,114,.34),rgba(109,61,114,.1) 55%,transparent 75%);filter:blur(70px);animation:d2 13s ease-in-out infinite alternate}
.f3{width:44vw;height:38vw;left:-12%;top:-14%;background:radial-gradient(closest-side,rgba(45,111,138,.34),rgba(45,111,138,.11) 55%,transparent 75%);filter:blur(66px);animation:d3 31s ease-in-out infinite alternate}
.f4{width:30vw;height:26vw;left:24%;bottom:-14%;background:radial-gradient(closest-side,rgba(222,213,198,.6),transparent 70%);filter:blur(60px);animation:d4 19s ease-in-out infinite alternate}
@keyframes d1{to{transform:translate(-5vw,6vh) scale(1.12)}}
@keyframes d2{to{transform:translate(3vw,-5vh) scale(1.08)}}
@keyframes d3{to{transform:translate(5vw,4vh)}}
@keyframes d4{to{transform:translate(-4vw,-3vh) scale(1.1)}}
/* motif du métier : « le bisse et la pente » — deux nappes, deux angles */
.motif{position:absolute;inset:-4%;z-index:2;pointer-events:none;opacity:.62;background-image:var(--bisse),var(--pente);background-position:0 0,0 0;animation:bisseDerive 49s ease-in-out infinite alternate;will-change:background-position;mask-image:radial-gradient(140% 110% at 60% 30%,#000 40%,transparent 85%);-webkit-mask-image:radial-gradient(140% 110% at 60% 30%,#000 40%,transparent 85%)}
@keyframes bisseDerive{to{background-position:-211px -36px,-64px -128px}}
.motes{position:absolute;z-index:2;right:0;top:0;bottom:0;width:58%;pointer-events:none;overflow:hidden}
.motes i{position:absolute;bottom:-6%;border-radius:50%;background:radial-gradient(circle,rgba(201,130,15,.4) 12%,rgba(201,130,15,.12) 46%,transparent 72%);animation:mote linear infinite;will-change:transform,opacity}
@keyframes mote{0%{transform:translateY(0);opacity:0}12%{opacity:.7}80%{opacity:.35}100%{transform:translateY(-92vh);opacity:0}}
.voile{position:absolute;inset:0;z-index:3;background:linear-gradient(96deg,rgba(244,240,230,.94) 0%,rgba(244,240,230,.82) 26%,rgba(244,240,230,.36) 55%,rgba(244,240,230,.06) 80%);pointer-events:none}
.grain{position:absolute;inset:0;z-index:4;opacity:.14;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.74' numOctaves='3'/%3E%3CfeColorMatrix values='0 0 0 0 .36 0 0 0 0 .3 0 0 0 0 .19 0 0 0 .5 0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E")}
.halo{position:absolute;z-index:5;right:2%;top:10%;width:48%;height:78%;pointer-events:none;will-change:transform}
.halo i{position:absolute;inset:0;border-radius:38% 62% 55% 45%/45% 40% 60% 55%;will-change:transform,opacity}
.halo .h1{background:radial-gradient(closest-side,rgba(201,130,15,.38),transparent 70%);animation:haloResp 8.6s ease-in-out infinite alternate}
.halo .h2{inset:14%;background:radial-gradient(closest-side,rgba(250,247,240,.7),transparent 70%);animation:haloResp 6.2s ease-in-out infinite alternate-reverse}
@keyframes haloResp{from{transform:scale(.94);opacity:.75}to{transform:scale(1.05);opacity:1}}
.hero-grid{position:relative;z-index:7;display:grid;grid-template-columns:1.15fr 1fr;gap:52px;align-items:center;padding-top:56px;padding-bottom:56px}

/* ---------------- hero : texte ---------------- */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:'PlexMono';font-weight:600;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--bis);border:1px solid rgba(255,255,255,.9);padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.62);backdrop-filter:blur(8px)}
.eyebrow::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--amb)}
.hero h1{font-family:'Petrona';font-size:clamp(35px,4.9vw,62px);line-height:.98;margin:20px 0 14px;text-wrap:balance}
.hero-page h1{font-size:clamp(31px,3.85vw,49px)}
.hero h1 .l{display:block}
.hero h1 .thin{font-weight:200;color:var(--enc2)}
.hero h1 .fat{font-weight:900}
.hero h1 .fat b{color:var(--amb-t);font-weight:900}
.rv{display:inline-block;overflow:hidden;vertical-align:bottom;padding-bottom:.08em;margin-bottom:-.08em}
.rvi{display:inline-block;transform:translateY(115%);animation:rvUp .75s cubic-bezier(.2,.85,.25,1) forwards;animation-delay:calc(var(--d)*1ms)}
@keyframes rvUp{to{transform:none}}
.fini .rvi{transform:none!important;animation:none!important}
.sub{color:var(--enc2);max-width:50ch;font-size:16.5px;margin-bottom:22px}
.live{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.chip{background:rgba(255,255,255,.66);backdrop-filter:blur(12px) saturate(1.15);border:1px solid var(--line);border-radius:10px 10px 3px 3px;padding:12px 18px;transition:transform .18s}
.chip:hover{transform:translateY(-3px)}
.chip small{display:block;font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);margin-bottom:2px}
.chip b{font-family:'PlexMono';font-weight:600;font-size:19px;color:var(--enc);font-variant-numeric:tabular-nums}
.chip.a b{color:var(--amb-t)}
.chip.flash{animation:flashA 1s ease}
@keyframes flashA{0%{background-color:rgba(201,130,15,.3)}100%{background-color:rgba(255,255,255,.66)}}
.srcline{font-size:12px;color:var(--mut);margin-bottom:18px;max-width:52ch}
.trust{list-style:none;display:grid;gap:9px;font-size:14.5px;color:var(--enc2)}
.trust li{display:flex;gap:9px;align-items:baseline}
.trust li::before{content:'✓';font-weight:800;color:var(--ok)}
.warn{margin-top:14px;display:none;gap:9px;border:1px solid rgba(201,130,15,.5);border-left:3px solid var(--amb-t);background:rgba(252,247,236,.92);border-radius:6px;padding:10px 13px;font-size:13px;color:var(--amb-t);max-width:54ch}
.warn.on{display:flex;animation:flashA 1.1s ease}
/* l'alerte vit dans la colonne texte en desktop, dans la carte en empilé */
.warn-carte{margin:0 0 12px;max-width:none}
@media (min-width:1081px){.warn-carte{display:none!important}}
@media (max-width:1080px){.warn-col{display:none!important}}

/* ---------------- la carte de devis ---------------- */
.cardwrap{position:relative;will-change:transform}
.card{position:relative;background-color:rgba(255,255,255,.74);background-image:var(--bisse),var(--pente);border:1px solid var(--line);border-radius:10px 10px 3px 3px;padding:24px 24px 22px;backdrop-filter:blur(10px) saturate(1.1)}
.card>*{position:relative;z-index:2}
/* le « beam » du pilote devient un fil de bisse rectiligne, en trois segments */
.beam{position:absolute;left:0;right:0;top:0;height:4px;z-index:3;border-radius:9px 9px 0 0;background:linear-gradient(90deg,var(--pru) 0 34%,var(--bis) 34% 67%,var(--amb) 67% 100%);pointer-events:none}
.sheenbox{position:absolute;inset:0;z-index:1;border-radius:10px 10px 3px 3px;overflow:hidden;pointer-events:none}
.sheenbox i{position:absolute;top:-12%;bottom:-12%;left:-58%;width:44%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.06) 42%,rgba(255,255,255,.45) 50%,rgba(201,130,15,.1) 58%,transparent);transform:skewX(-12deg);animation:sheen 7s ease-in-out infinite;will-change:transform}
@keyframes sheen{0%,52%{transform:translateX(0) skewX(-12deg)}88%,100%{transform:translateX(420%) skewX(-12deg)}}
.card h3{font-family:'Petrona';font-weight:900;font-size:20.5px;margin-bottom:2px}
.mini{font-family:'PlexMono';font-weight:600;font-size:13px;color:var(--amb-t);margin-bottom:16px;min-height:18px;font-variant-numeric:tabular-nums}
.fld{margin-bottom:13px}
.h-t{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--enc2);margin-bottom:8px}
.h-t output{font-family:'PlexMono';font-weight:600;font-size:15px;color:var(--amb-t)}
input[type=range]{width:100%;appearance:none;height:6px;border-radius:99px;background:linear-gradient(90deg,var(--bis) var(--fill,40%),#e0d8ca var(--fill,40%));cursor:pointer}
input[type=range]::-webkit-slider-thumb{appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--bis);transition:transform .15s,box-shadow .3s}
input[type=range]:active::-webkit-slider-thumb,input[type=range]:focus::-webkit-slider-thumb{box-shadow:0 0 0 8px rgba(45,111,138,.18)}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}
input[type=range]::-moz-range-thumb{width:19px;height:19px;border-radius:50%;background:#fff;border:3px solid var(--bis)}
.puces{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}
.puces button{font-family:'Manrope';font-size:12.5px;font-weight:700;color:var(--enc2);background:rgba(255,255,255,.78);border:1px solid var(--bord);border-radius:6px;padding:9px 4px;cursor:pointer;transition:all .18s;min-width:0}
.puces button:hover{transform:translateY(-2px);border-color:var(--bis)}
.puces button.on{background:rgba(78,42,82,.09);border-color:var(--pru);color:var(--pru);box-shadow:0 0 0 1px var(--pru);animation:pop .28s cubic-bezier(.2,1.6,.4,1)}
@keyframes pop{0%{transform:scale(.94)}100%{transform:scale(1)}}
.sep{display:flex;align-items:center;gap:10px;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);margin:16px 0 12px}
.sep::before,.sep::after{content:'';flex:1;height:1px;background:var(--line)}
.idgrid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-bottom:10px}
.idgrid .full{grid-column:1/-1}
.idgrid>*{min-width:0}
.h-in{width:100%;font-family:'Manrope';font-size:14.5px;color:var(--enc);background:rgba(255,255,255,.82);border:1px solid var(--bord);border-radius:6px;padding:12px 14px;transition:border-color .18s,box-shadow .18s,background .18s}
.h-in:hover{border-color:var(--bis)}
.h-in:focus{border-color:var(--bis);background:#fff;box-shadow:0 0 0 3px rgba(45,111,138,.2);outline:none}
.h-in::placeholder{color:#8b8190}
textarea.h-in{resize:none;min-height:58px;line-height:1.5}
.hpot{position:absolute;left:-9999px;opacity:0}
.cta{display:block;width:100%;text-align:center;font-family:'Manrope';font-weight:700;font-size:16px;color:#fff;background:var(--pru);border:none;border-bottom:2px solid var(--bis);border-radius:6px;padding:15px 22px;cursor:pointer;text-decoration:none;transition:transform .18s,background .18s}
.cta:hover{transform:translateY(-2px);background:var(--pru-cl)}
.cta .fl{display:inline-block;transition:transform .18s}
.cta:hover .fl{transform:translateX(4px)}
.cta[disabled]{opacity:.6;cursor:wait;transform:none}
.alt{text-align:center;font-size:13px;color:var(--enc2);margin-top:11px}
.alt a{color:var(--amb-t);text-decoration:none;font-weight:700}
.lpd{font-size:11px;color:var(--mut);text-align:center;margin-top:8px}
.lpd a{color:var(--mut)}
.ok-msg{margin-top:12px;text-align:center;font-weight:700;color:var(--ok);background:rgba(44,122,82,.1);border:1px solid rgba(44,122,82,.4);border-radius:6px;padding:11px}
/* --- signature : « les trois étages du Valais central », sans aucun JS --- */
.etg{margin:15px 0 2px}
.etg-t{display:block;font-family:'PlexMono';font-weight:600;font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--mut);margin-bottom:7px}
.etg-coupe{border:1px solid var(--line);border-radius:6px;overflow:hidden;background:rgba(255,255,255,.6)}
.etg-coupe .e{display:block;font-style:normal;padding:6px 10px;border-top:1px solid var(--line);border-left:3px solid transparent}
.etg-coupe .e:first-child{border-top:none}
.etg-coupe .e b{display:block;font-weight:700;font-size:12.5px;line-height:1.25;color:var(--mut)}
.etg-coupe .e span{display:block;font-size:11.5px;line-height:1.3;color:var(--mut)}
[data-etage="val"] .e-val,[data-etage="coteau"] .e-cot,[data-etage="plaine"] .e-pla{background:rgba(78,42,82,.07);border-left-color:var(--amb-t)}
[data-etage="val"] .e-val b,[data-etage="coteau"] .e-cot b,[data-etage="plaine"] .e-pla b{color:var(--pru)}
[data-etage="val"] .e-val span,[data-etage="coteau"] .e-cot span,[data-etage="plaine"] .e-pla span{color:var(--enc2)}
/* on dessine ce qu'on ne sait pas : la nappe se décide parcelle par parcelle */
.hach{background-image:repeating-linear-gradient(45deg,rgba(45,111,138,.15) 0 1px,transparent 1px 6px)}
.etg-p{font-size:11.5px;line-height:1.45;color:var(--mut);margin-top:8px}
.card-in{opacity:0;transform:translateY(30px) scale(.985)}
.go .card-in{animation:cardIn .9s cubic-bezier(.16,1.3,.3,1) forwards;animation-delay:.5s}
@keyframes cardIn{to{opacity:1;transform:none}}
.fini .card-in{opacity:1!important;transform:none!important;animation:none!important}

/* ---------------- sections ---------------- */
.sec{padding:64px 0}
.sec-tinte{background:var(--bg);position:relative}
.sec-tinte::before{content:'';position:absolute;inset:0;opacity:.55;pointer-events:none;background-image:var(--bisse),var(--pente)}
.sec-tinte>.wrap{position:relative;z-index:1}
.sec h2{font-family:'Petrona';font-weight:800;font-size:clamp(26px,3.1vw,39px);line-height:1.08;margin-bottom:14px;text-wrap:balance}
/* le repère : un segment de bisse, coupé par la prise d'eau */
.sec h2::before,.article h2::before{content:'';display:block;width:22px;height:6px;margin-bottom:9px;background:linear-gradient(var(--bis),var(--bis)) 0 2px/22px 2px no-repeat,linear-gradient(var(--amb-t),var(--amb-t)) 8px 0/2px 6px no-repeat}
.lead{color:var(--enc2);max-width:68ch;margin-bottom:26px;font-size:16.5px}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:8px}
.cols2>*{min-width:0}
.cols2 p{color:var(--enc2)}
.cols2 strong,.lead strong{color:var(--enc)}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:26px 0}
.col-etape{background:#fff;border:1px solid var(--line);border-radius:10px 10px 3px 3px;padding:22px;transition:transform .18s}
.col-etape:hover{transform:translateY(-4px)}
.col-etape b{font-family:'PlexMono';font-weight:600;color:var(--amb-t);font-size:14px}
.col-etape h3{font-family:'Petrona';font-weight:900;font-size:19.5px;margin:6px 0 8px}
.col-etape p{color:var(--enc2);font-size:14.5px}
.bande{background:linear-gradient(135deg,#33253a,var(--nuit));position:relative;overflow:hidden}
.bande::after{content:'';position:absolute;inset:0;opacity:.7;background-image:var(--bisse),var(--pente)}
.bande-in{position:relative;z-index:1;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px;color:#e3d8c8;font-weight:700;font-size:14px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.stat{background:#fff;border:1px solid var(--line);border-radius:10px 10px 3px 3px;padding:18px;text-align:center}
.stat b{display:block;font-family:'PlexMono';font-weight:600;font-size:27px;color:var(--amb-t);font-variant-numeric:tabular-nums}
.stat span{font-size:12.5px;color:var(--mut)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
.steps-v{grid-template-columns:1fr;max-width:760px}
.step{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:10px 10px 3px 3px;padding:16px 18px;transition:transform .18s}
.step:hover{transform:translateY(-3px)}
.step b{flex:none;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--pru);color:#fff;font-family:'PlexMono';font-weight:600;font-size:14px}
.step span{font-size:14.5px;color:var(--enc2)}
.step strong{color:var(--enc)}
.encart{border:1px solid rgba(201,130,15,.45);border-left:4px solid var(--amb-t);background:rgba(252,247,236,.9);border-radius:0 6px 6px 0;padding:16px 20px;margin-top:26px}
.encart p{color:var(--amb-t);font-size:14.5px}
.encart a{font-weight:700}

/* prestations (accueil) */
.prestas{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.presta{position:relative;display:block;border-radius:10px 10px 3px 3px;overflow:hidden;text-decoration:none;border-bottom:2px solid var(--bis);transition:transform .22s;isolation:isolate}
.presta:hover{transform:translateY(-5px)}
.presta img{width:100%;height:230px;object-fit:cover;transition:transform .5s ease}
.presta:hover img{transform:scale(1.05)}
.presta-txt{position:absolute;inset:auto 0 0 0;padding:44px 18px 16px;background:linear-gradient(180deg,transparent,rgba(29,21,34,.9) 55%);color:#fff}
.presta-txt b{font-family:'Petrona';font-weight:900;font-size:19.5px;display:block}
.presta-txt span{display:block;font-size:13px;color:#d8cfc2;margin:3px 0 8px}
.presta-txt i{font-style:normal;font-size:13px;font-weight:700;color:#e8b45a}

/* rangée image+texte (pages services) */
.row-img{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:center;margin-top:10px}
.row-img>*{min-width:0}
.row-img img{border-radius:10px 10px 3px 3px;border-bottom:2px solid var(--bis);width:100%;height:100%;max-height:330px;object-fit:cover}
.row-img p{color:var(--enc2);margin-bottom:12px}
.row-img strong{color:var(--enc)}

/* ---------------- plan du site ----------------
   ⚠️ Cette page est une nouveauté v9.12 : elle n'existait pas dans la feuille du pilote,
   et elle n'avait donc AUCUNE règle. Ses listes de liens sortaient de l'écran en dessous
   de 600 px — un débordement invisible sur toutes les autres pages, et qu'aucun contrôle
   automatique ne voit (qa.py mesure le HTML, pas la mise en page).
   Le master impose ici « ancres = les noms, point » : une liste, pas un pavé optimisé. */
.plan-g{margin:0 0 34px}
.plan-g h2{display:flex;align-items:baseline;gap:10px;margin-bottom:14px}
.plan-g h2 small{font-family:'PlexMono';font-weight:600;font-size:12px;color:var(--mut);
  letter-spacing:.06em}
.plan-g nav{display:flex;flex-wrap:wrap;gap:8px 10px}
.plan-g nav a{display:inline-block;max-width:100%;padding:7px 12px;border-radius:6px 6px 2px 2px;
  background:#fff;border:1px solid var(--line);border-bottom:2px solid var(--bis);
  color:var(--enc2);text-decoration:none;font-size:14px;line-height:1.25;
  overflow-wrap:anywhere;transition:border-color .18s,color .18s,transform .18s}
.plan-g nav a:hover{color:var(--pru);border-color:var(--pru);transform:translateY(-1px)}
@media (max-width:560px){
  .plan-g nav{gap:6px 8px}
  .plan-g nav a{font-size:13.5px;padding:6px 10px}
}

/* tableaux & postes */
.table-scroll{overflow-x:auto;margin-top:10px}
.tbl-wrap{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:22px 0;border-radius:10px 10px 3px 3px}
.tbl-wrap .tbl{margin:0}
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:10px 10px 3px 3px;overflow:hidden;border:1px solid var(--line);border-bottom:2px solid var(--bis);min-width:560px}
.tbl th{background:var(--nuit);color:#f4f0e6;text-align:left;font-size:13px;letter-spacing:.05em;padding:13px 16px}
.tbl td{padding:13px 16px;border-top:1px solid var(--line);color:var(--enc2);font-size:14.5px}
.tbl td:last-child{font-family:'PlexMono';font-weight:600;color:var(--enc);white-space:nowrap;font-variant-numeric:tabular-nums}
.postes{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:8px}
.poste{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:6px;padding:14px 16px}
.poste b{font-family:'PlexMono';font-weight:600;color:var(--amb-t);font-size:17px;white-space:nowrap}
.poste span{font-size:13.5px;color:var(--enc2)}

/* fiche commune */
.fiche{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.fiche div{background:#fff;border:1px solid var(--line);border-radius:6px;padding:12px 14px}
.fiche small{display:block;font-size:10px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--mut)}
.fiche b{font-size:15px}
.communes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px;margin-top:8px}
.communes-grid a{display:flex;justify-content:space-between;align-items:baseline;gap:8px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:11px 14px;text-decoration:none;color:var(--enc);font-weight:700;font-size:14px;transition:transform .16s,border-color .16s}
.communes-grid a:hover{transform:translateY(-2px);border-color:var(--bis)}
.communes-grid small{font-family:'PlexMono';font-weight:600;font-size:10.5px;color:var(--mut)}

/* FAQ */
.sec-faq{background:var(--bg)}
.faq-list{max-width:820px;margin-top:22px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:10px 10px 3px 3px;margin-bottom:12px;transition:border-color .2s}
.faq-item[open]{border-color:var(--bord)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 46px 16px 18px;font-weight:700;font-size:15.5px;position:relative;transition:color .18s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';position:absolute;right:18px;top:50%;transform:translateY(-50%);font-family:'Petrona';font-weight:200;font-size:26px;color:var(--amb-t);transition:transform .25s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item summary:hover{color:var(--amb-t)}
.faq-a{padding:0 18px 16px;color:var(--enc2);font-size:14.5px}

/* blog */
.arts{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:24px}
.art-card{display:block;background:#fff;border:1px solid var(--line);border-radius:10px 10px 3px 3px;padding:22px;text-decoration:none;transition:transform .18s}
.art-card:hover{transform:translateY(-4px)}
.art-card b{font-family:'Petrona';font-weight:900;font-size:19.5px;color:var(--enc);display:block;margin-bottom:8px}
.art-card p{color:var(--enc2);font-size:14px;margin-bottom:10px}
.art-card i{font-style:normal;font-weight:700;font-size:13.5px;color:var(--amb-t)}
.article .wrap-art{max-width:780px}
.article h1{font-family:'Petrona';font-weight:900;font-size:clamp(30px,3.65vw,43px);line-height:1.06;margin-bottom:18px;text-wrap:balance}
.article h2{font-family:'Petrona';font-weight:800;font-size:clamp(21.5px,2.45vw,28px);margin:30px 0 10px}
.article p{color:var(--enc2);margin-bottom:14px}
.article strong{color:var(--enc)}
.art-retour{margin-top:26px;font-weight:700}
.article .art-note{font-size:13.5px;color:var(--mut);border-left:3px solid var(--bis);padding:10px 14px;background:#fff;border-radius:0 6px 6px 0;margin-bottom:18px}

/* CTA final */
.sec-cta{background:linear-gradient(135deg,var(--nuit),var(--nuit2));position:relative;overflow:hidden}
.sec-cta::before{content:'';position:absolute;width:44vw;height:44vw;right:-12%;top:-40%;border-radius:50%;background:radial-gradient(closest-side,rgba(201,130,15,.22),rgba(201,130,15,.08) 48%,transparent 74%);animation:d2 13s ease-in-out infinite alternate}
.sec-cta::after{content:'';position:absolute;inset:0;opacity:.7;background-image:var(--bisse),var(--pente)}
.cta-fin{position:relative;z-index:1;text-align:center;padding-top:12px;padding-bottom:12px}
.cta-fin h2{color:#f4f0e6;font-family:'Petrona';font-weight:900;font-size:clamp(26px,3.2vw,39px);margin-bottom:10px}
.cta-fin h2::before{margin:0 auto 11px;background:linear-gradient(#7fb6cd,#7fb6cd) 0 2px/22px 2px no-repeat,linear-gradient(#e8b45a,#e8b45a) 8px 0/2px 6px no-repeat}
.cta-fin p{color:#c2b3c9;max-width:56ch;margin:0 auto 22px}
.cta-lien{display:inline-block;width:auto}
.cta-fin .alt{color:#a99bb0}
.cta-fin .alt a{color:#e8b45a}

/* footer */
.site-foot{background:var(--nuit2);color:#bfb2c4}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1.4fr;gap:36px;padding-top:48px;padding-bottom:30px}
.site-foot .logo{color:#f4f0e6;font-size:22.5px}
.site-foot .logo-p{color:#e8b45a}
.foot-txt{font-size:13.5px;margin-top:10px;color:#a99bb0}
.foot-txt a{color:#e3d8c8;text-decoration:none}
.site-foot h4{font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:#9a8ea0;margin-bottom:12px}
.foot-nav{display:grid;gap:7px}
.foot-nav a{color:#bfb2c4;text-decoration:none;font-size:13.5px;transition:color .15s}
.foot-nav a:hover{color:#e8b45a}
.foot-nav-com{grid-template-columns:repeat(2,1fr)}
.foot-legal{border-top:1px solid #34273c;padding-top:16px;padding-bottom:22px;font-size:12px;color:#a99bb0}
.foot-legal a{color:#bfb2c4}

/* sticky CTA mobile */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:70;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(250,247,240,.94);backdrop-filter:blur(10px);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .3s ease;display:none}
.sticky-cta .cta{width:100%}
.sticky-cta.vu{transform:none}
@media (max-width:760px){.sticky-cta{display:block}}

/* ---------------- popup « Partez avec votre chiffre » ---------------- */
.pum{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(29,21,34,.5);backdrop-filter:blur(6px);opacity:0;transition:opacity .3s ease}
.pum.vu{opacity:1}
.pum-card{position:relative;width:min(430px,100%);background-color:rgba(255,255,255,.95);background-image:var(--bisse),var(--pente);border:1px solid var(--line);border-radius:10px 10px 3px 3px;padding:24px;transform:translateY(18px) scale(.97);transition:transform .35s cubic-bezier(.2,1.1,.3,1)}
.pum.vu .pum-card{transform:none}
/* la popup n'a pas d'élément .beam : on lui pose le même fil de bisse */
.pum-card::before{content:'';position:absolute;left:0;right:0;top:0;height:4px;z-index:3;border-radius:9px 9px 0 0;background:linear-gradient(90deg,var(--pru) 0 34%,var(--bis) 34% 67%,var(--amb) 67% 100%);pointer-events:none}
.pum-x{position:absolute;top:10px;right:10px;width:36px;height:36px;border:none;background:none;cursor:pointer;font-size:22px;line-height:1;color:var(--mut);border-radius:50%;transition:background .15s,color .15s;z-index:4}
.pum-x:hover{background:rgba(36,31,38,.08);color:var(--enc)}
.pum-eti{font-family:'PlexMono';font-weight:600;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--bis);margin-bottom:8px}
.pum-card h3{font-family:'Petrona';font-weight:900;font-size:23.5px;line-height:1.12;margin-bottom:6px}
.pum-chiffre{font-family:'PlexMono';font-weight:600;font-size:15px;color:var(--amb-t);background:rgba(201,130,15,.1);border:1px solid rgba(201,130,15,.4);border-radius:6px;padding:9px 13px;margin:10px 0 6px;font-variant-numeric:tabular-nums}
.pum-p{font-size:13.5px;color:var(--enc2);margin-bottom:14px}
.pum-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-bottom:11px}
.pum-grid>*{min-width:0}
.pum-full{grid-column:1/-1}
.pum-grid textarea{resize:none;min-height:52px;line-height:1.45}
.pum-card .lpd{margin-top:9px}
.pum-ok{text-align:center;padding:16px 0 6px;font-weight:700;color:var(--ok)}
@media (max-width:600px){
  .pum{align-items:flex-end;padding:0}
  .pum-card{width:100%;border-radius:10px 10px 0 0;padding-bottom:calc(24px + env(safe-area-inset-bottom));transform:translateY(100%)}
  .pum-card::after{left:0;bottom:0}
}
@media (prefers-reduced-motion:reduce){.pum,.pum-card{transition:none!important}}

/* reveal (classe posée par JS uniquement) */
.js-rev [data-rev]{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.js-rev [data-rev].vu{opacity:1;transform:none}

/* ---------------- responsive ---------------- */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-max{min-height:0}
  .halo{right:-10%;width:80%;top:auto;bottom:0;height:56%}
  /* en empilé, pas de résultat AVANT l'outil : les chips et la ligne source disparaissent,
     le résultat vit dans la carte (ligne ≈ kW · CHF) */
  .hero .live,.hero .srcline{display:none}
  .prestas{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .wrap{padding-left:18px;padding-right:18px}
  /* en-tête : Petrona a l'œil plus petit mais le mot plus large — on resserre */
  .site-head{gap:10px;padding:12px 16px}
  .logo{font-size:17px}
  .head-cta{padding:9px 12px;font-size:13px}
  /* le débord du fil d'eau reste sous la marge : aucun défilement horizontal */
  .card::after,.pum-card::after,.chip::after,.col-etape::after,.stat::after,.step::after,.faq-item::after,.art-card::after,.poste::after,.fiche div::after,.communes-grid a::after{left:-10px}
  .card:hover::after,.pum-card:hover::after,.chip:hover::after,.col-etape:hover::after,.stat:hover::after,.step:hover::after,.faq-item:hover::after,.art-card:hover::after,.poste:hover::after,.fiche div:hover::after,.communes-grid a:hover::after{left:-15px}
  .sec{padding:46px 0}
  .hero-grid{padding-top:36px;padding-bottom:40px}
  .cols2,.cols3,.postes,.arts,.row-img{grid-template-columns:1fr}
  .row-img img{max-height:240px}
  .prestas{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .fiche{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .bande-in{justify-content:flex-start;gap:8px 18px;font-size:13px}
}