:root{
  --d0:#06070d;--d1:#0b0d18;--d2:#121528;
  --paper:#f3f2ee;--card:#fff;--ink:#0b0c14;--muted:#5b5d70;--line:#d8d7cf;
  --blue:#1d1cc6;--cold:#4f6bff;--ice:#6fd3ff;--amber:#ffb347;--hot:#ff5a36;--hot-d:#d93217;
  --therm:linear-gradient(90deg,#1d1cc6,#4f6bff 24%,#6fd3ff 44%,#ffb347 68%,#ff5a36 86%,#d93217);
  --f-head:'Unbounded','Space Grotesk',system-ui,sans-serif;
  --f-body:'Space Grotesk',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --cut:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--f-body);color:var(--ink);line-height:1.62;font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-color:var(--paper);
  background-image:linear-gradient(rgba(11,12,20,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(11,12,20,.045) 1px,transparent 1px);background-size:56px 56px}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
.mono{font-family:var(--f-mono);letter-spacing:.04em;text-transform:uppercase;font-size:.72rem}
h1,h2,h3{font-family:var(--f-head);line-height:1.12;margin:0 0 .6em;letter-spacing:-.02em;color:var(--ink);font-weight:700}
h1{font-size:clamp(1.65rem,3.8vw,3.05rem);font-weight:800}
h2{font-size:clamp(1.4rem,2.6vw,2.1rem)}
h3{font-size:1.02rem;letter-spacing:-.01em}
em{font-style:normal;white-space:nowrap;background:linear-gradient(90deg,var(--hot),var(--amber));-webkit-background-clip:text;background-clip:text;color:transparent}
p{margin:0 0 1em}
svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.wrap{width:min(1200px,100% - 40px);margin-inline:auto;position:relative}
.narrow{width:min(880px,100% - 40px)}
.center{text-align:center}
.skip{position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:8px;top:8px}
.glow{display:none}

/* ===== top bar + header ===== */
.topbar{background:var(--d0);color:#9aa0b8;font-size:.68rem;position:relative;z-index:61}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:7px 0}
.topbar a{color:#fff;text-decoration:none}
.site-header{position:sticky;top:0;z-index:60;background:rgba(243,242,238,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--therm);opacity:.9}
.site-header.scrolled{box-shadow:0 10px 30px -20px rgba(0,0,0,.5)}
.bar{display:flex;align-items:center;gap:24px;min-height:88px;transition:min-height .3s}
.site-header.scrolled .bar{min-height:68px}
.brand img{width:220px;height:auto;transition:width .3s}
.site-header.scrolled .brand img{width:176px}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{position:relative;text-decoration:none;color:var(--ink);font-weight:600;font-size:.92rem;padding:10px 13px;transition:color .2s}
.nav a::after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;background:var(--therm);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.nav a:hover::after,.nav a[aria-current]::after{transform:scaleX(1)}
.nav a:hover{color:var(--blue)}
.bar-cta{display:flex;align-items:center;gap:14px}
.tel{display:flex;align-items:center;gap:8px;color:var(--ink);font-weight:700;text-decoration:none;font-family:var(--f-mono);font-size:.85rem}
.tel svg{width:17px;height:17px;color:var(--hot-d)}
.burger{display:none;background:none;border:0;padding:10px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.25s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav a,.btn,.tel{white-space:nowrap}

/* ===== boutons (angles coupés) ===== */
.btn{position:relative;display:inline-flex;align-items:center;gap:12px;padding:14px 26px;font-weight:700;text-decoration:none;border:0;cursor:pointer;font-family:var(--f-body);font-size:.98rem;clip-path:var(--cut);transition:transform .2s,filter .2s}
.btn svg{width:18px;height:18px;transition:transform .2s}
.btn:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn:hover svg{transform:translateX(5px)}
.btn-hot,.btn-red{background:linear-gradient(100deg,var(--hot-d),var(--hot));color:#fff}
.btn-blue{background:var(--blue);color:#fff}
.btn-white{background:#fff;color:var(--ink)}
.btn-line,.btn-ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.45)}
.btn-lg{padding:17px 32px;font-size:1.02rem}
.shine::after{display:none}

/* ===== fonds techniques ===== */
.grid-bg{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at 70% 30%,#000 10%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at 70% 30%,#000 10%,transparent 75%)}
.hero,.page-hero{position:relative;overflow:hidden;color:#fff;background:var(--d0);--t:.5}
.hero::before,.page-hero::before,.hero::after,.page-hero::after{content:"";position:absolute;inset:-10%;pointer-events:none;transition:opacity .6s}
.hero::before,.page-hero::before{background:radial-gradient(620px 440px at var(--mx,76%) var(--my,30%),rgba(255,90,54,.6),transparent 68%);opacity:var(--t)}
.hero::after,.page-hero::after{background:radial-gradient(620px 440px at var(--mx,76%) var(--my,30%),rgba(60,90,255,.7),transparent 68%);opacity:calc(1 - var(--t))}
.hero{padding:70px 0 96px}
.page-hero{padding:54px 0 78px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero h1,.page-hero h1{color:#fff}
.page-hero h1{font-size:clamp(1.5rem,3.3vw,2.6rem)}
.lead{font-size:1.12rem;color:#c8cbe0;max-width:58ch}
.eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:22px;color:#c8cbe0;font-size:.9rem}
.eyebrow .mono{color:var(--ice);border:1px solid rgba(111,211,255,.4);padding:4px 10px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 26px;padding:0;margin:0;font-size:.92rem;color:#c8cbe0}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points svg{width:17px;height:17px;color:var(--ice)}
.crumbs{font-family:var(--f-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:#8a90ab;margin-bottom:20px}
.crumbs a{color:#c8cbe0;text-decoration:none}
.crumbs a:hover{color:#fff}
.crumbs span{margin:0 5px}

/* ===== widget thermique ===== */
.thermo{position:relative;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.16);padding:26px;backdrop-filter:blur(8px)}
.thermo::before,.thermo::after,.cm{content:"";position:absolute;width:16px;height:16px;border:2px solid var(--hot)}
.thermo::before{left:-2px;top:-2px;border-right:0;border-bottom:0}
.thermo::after{right:-2px;bottom:-2px;border-left:0;border-top:0}
.thermo-top{display:flex;justify-content:space-between;color:#9aa0b8}
.live{color:#3de08b}
.live i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#3de08b;margin-right:7px;animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.25}}
.readout{display:flex;align-items:flex-start;gap:6px;margin:10px 0 6px;font-family:var(--f-head);font-weight:800;color:#fff;line-height:1}
.readout b{font-size:clamp(3.6rem,7vw,5.6rem);letter-spacing:-.04em;color:#fff;transition:color .3s}
.readout span{font-size:1.4rem;margin-top:.6rem;color:#c8cbe0;font-weight:500}
#temp{-webkit-appearance:none;appearance:none;width:100%;height:12px;background:var(--therm);outline:none;cursor:pointer;margin:8px 0 4px;clip-path:polygon(0 30%,100% 0,100% 100%,0 70%)}
#temp::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:#fff;border:4px solid var(--d0);box-shadow:0 0 0 2px #fff,0 0 22px rgba(255,255,255,.6)}
#temp::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:4px solid var(--d0);box-shadow:0 0 0 2px #fff}
#temp:focus-visible{outline:2px solid #fff;outline-offset:6px}
.scale{display:flex;justify-content:space-between;color:#6d7391;font-size:.66rem;margin-bottom:18px}
.modes{display:block}
.mode{display:none;grid-template-columns:96px 1fr auto;gap:16px;align-items:center;text-decoration:none;color:#fff;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);padding:12px;transition:border-color .3s,background .3s;animation:fadeup .5s}
.thermo:not([data-active]) .mode[data-m=mid],.thermo[data-active=cold] .mode[data-m=cold],.thermo[data-active=mid] .mode[data-m=mid],.thermo[data-active=hot] .mode[data-m=hot]{display:grid}
.mode:hover{border-color:var(--hot);background:rgba(255,90,54,.1)}
@keyframes fadeup{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.mthumb img{width:96px;height:80px;object-fit:cover}
.mtxt{display:flex;flex-direction:column;gap:2px;font-size:.9rem;color:#c8cbe0;line-height:1.4}
.mtxt .mono{color:var(--hot);font-size:.64rem}
.mtxt b{font-family:var(--f-head);font-size:1rem;color:#fff}
.go{width:38px;height:38px;display:grid;place-items:center;background:var(--hot-d);color:#fff;clip-path:var(--cut)}
.go svg{width:17px;height:17px}
.thermo-hint{margin:14px 0 0;color:#6d7391;font-size:.64rem}

/* ===== cadre photo ===== */
.stack{position:relative}
.frame{position:relative;margin:0;overflow:hidden;background:var(--d1)}
.frame img{width:100%;height:clamp(280px,32vw,440px);object-fit:cover;transition:transform .9s}
.frame:hover img{transform:scale(1.05)}
.frame figcaption{position:absolute;left:0;right:0;bottom:0;padding:10px 14px;background:linear-gradient(0deg,rgba(6,7,13,.9),transparent);color:#c8cbe0;font-size:.62rem;text-transform:none;letter-spacing:.02em}
.frame::before{content:"";position:absolute;left:0;right:0;top:0;height:60px;background:linear-gradient(180deg,transparent,rgba(111,211,255,.28),transparent);animation:scan 5s linear infinite;z-index:2;pointer-events:none}
@keyframes scan{from{transform:translateY(-70px)}to{transform:translateY(480px)}}
.frame.small{position:absolute;right:-18px;bottom:-26px;width:42%;border:6px solid var(--d0);z-index:3}
.frame.small img{height:150px}
.frame.small::before{display:none}
.cm{z-index:4}
.cm.tl{left:6px;top:6px;border-right:0;border-bottom:0}
.cm.tr{right:6px;top:6px;border-left:0;border-bottom:0}
.cm.bl{left:6px;bottom:6px;border-right:0;border-top:0}
.cm.br{right:6px;bottom:6px;border-left:0;border-top:0}
.ir::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#1d1cc6,#ff5a36 62%,#ffd36b);mix-blend-mode:color;opacity:0;transition:opacity .5s;pointer-events:none;z-index:3}
.ir:hover::after{opacity:.9}
.tbar{display:flex;align-items:center;gap:10px;margin-top:16px;font-family:var(--f-mono);font-size:.62rem;color:#8a90ab}
.tbar b{flex:1;height:6px;background:var(--therm)}

/* ===== ticker ===== */
.marquee{overflow:hidden;background:var(--d0);color:#fff;border-block:1px solid rgba(255,255,255,.1);padding:14px 0}
.marquee .track{display:flex;gap:46px;width:max-content;animation:scroll 40s linear infinite}
.marquee span{display:inline-flex;align-items:center;gap:12px;font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.14em;font-size:.74rem;white-space:nowrap;color:#aab0cb}
.marquee svg{width:14px;height:14px;color:var(--hot)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ===== sections ===== */
.section{padding:96px 0;position:relative}
.section.alt{background:rgba(255,255,255,.7);border-block:1px solid var(--line)}
.section.dark{background:var(--d0);color:#fff;overflow:hidden}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark p{color:#b8bcd4}
.sec-head{max-width:760px;margin-bottom:46px}
.kicker{display:inline-block;font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.12em;font-size:.74rem;color:var(--hot-d);margin-bottom:14px}
.kicker::before{content:"// ";opacity:.7}
.kicker.light{color:var(--hot)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.side-fig{margin:0;position:relative}
.side-fig::before{content:"";position:absolute;inset:14px -14px -14px 14px;border:1px solid var(--hot);z-index:0}
.side-fig img{position:relative;z-index:1;width:100%;height:clamp(300px,34vw,470px);object-fit:cover}
.checks{list-style:none;padding:0;margin:0 0 30px;display:grid;gap:12px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-weight:500}
.checks svg{flex:none;width:22px;height:22px;padding:3px;background:var(--hot-d);color:#fff;margin-top:1px;stroke-width:3;clip-path:var(--cut)}

/* bento */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.tile{position:relative;overflow:hidden;min-height:360px;color:#fff;text-decoration:none;display:flex;align-items:flex-end;isolation:isolate;background:var(--d1);border:1px solid rgba(0,0,0,.2)}
.t1{grid-column:span 7}.t2{grid-column:span 5}.t3{grid-column:span 5}.t4{grid-column:span 7}
.tile-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .9s cubic-bezier(.2,.7,.2,1),filter .5s}
.tile:hover .tile-img{transform:scale(1.07)}
.tile::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(135deg,#1d1cc6,#ff5a36 62%,#ffd36b);mix-blend-mode:color;opacity:0;transition:opacity .5s}
.tile:hover::after{opacity:.75}
.tile-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(6,7,13,.15) 25%,rgba(6,7,13,.94))}
.tile .ico{position:absolute;top:20px;left:20px;width:52px;height:52px;display:grid;place-items:center;background:rgba(6,7,13,.55);border:1px solid rgba(255,255,255,.4);clip-path:var(--cut)}
.tile .ico svg{width:24px;height:24px}
.tile::before{content:attr(data-n);position:absolute;right:20px;top:18px;font-family:var(--f-mono);font-size:.74rem;color:rgba(255,255,255,.7)}
.tile-txt{padding:28px;position:relative;z-index:3}
.tile h3{color:#fff;font-size:1.4rem;margin-bottom:8px}
.tile p{color:#d5d8ea;margin:0 0 12px;max-width:46ch}
.more{display:inline-flex;align-items:center;gap:8px;color:var(--hot-d);font-weight:700;font-size:.92rem;font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.06em;font-size:.76rem}
.tile .more{color:var(--hot)}
.more svg{width:15px;height:15px;transition:transform .2s}
.tile:hover .more svg,.card:hover .more svg{transform:translateX(6px)}

/* cartes */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.cards.four{grid-template-columns:repeat(4,1fr)}
.card{position:relative;background:var(--card);border:1px solid var(--line);padding:28px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:transform .3s,border-color .3s,box-shadow .3s}
.card::before{content:"";position:absolute;left:-1px;top:-1px;width:18px;height:18px;border-left:2px solid var(--hot);border-top:2px solid var(--hot);transition:width .3s,height .3s}
.card:hover{transform:translateY(-4px);border-color:var(--ink);box-shadow:8px 8px 0 -2px rgba(11,12,20,.08)}
.card:hover::before{width:100%;height:100%;opacity:.15}
.card p{color:var(--muted);margin-bottom:auto}
.card .more{margin-top:18px}
.card .ico{width:50px;height:50px;background:var(--d0);color:var(--hot);display:grid;place-items:center;margin-bottom:18px;clip-path:var(--cut)}
.card .ico svg{width:24px;height:24px}
.num{font-family:var(--f-mono);font-weight:600;font-size:.8rem;color:var(--hot-d);margin-bottom:14px;letter-spacing:.1em}
.num::before{content:"N° "}

/* protocole */
.timeline{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;border-top:1px solid rgba(255,255,255,.16);counter-reset:tl}
.timeline::before{content:"";position:absolute;left:0;right:0;top:-1px;height:2px;background:var(--therm)}
.timeline li{counter-increment:tl;position:relative;padding:34px 24px 10px 0;text-align:left}
.timeline li::before{content:"0" counter(tl);display:block;font-family:var(--f-mono);color:var(--hot);margin-bottom:14px;font-size:.8rem;letter-spacing:.1em}
.timeline .ico{width:56px;height:56px;margin-bottom:18px;display:grid;place-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);color:var(--ice);clip-path:var(--cut)}
.timeline .ico svg{width:26px;height:26px}
.timeline h3{font-size:1rem}

/* mosaïque */
.mosaic{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:230px 230px;gap:12px}
.mosaic figure{margin:0;overflow:hidden;position:relative;background:var(--d1)}
.mosaic img{width:100%;height:100%;object-fit:cover;transition:transform .9s}
.mosaic figure:hover img{transform:scale(1.07)}
.mosaic .m1{grid-row:span 2}

/* zones + radar */
.zwrap{display:grid;grid-template-columns:minmax(300px,460px) 1fr;gap:48px;align-items:center}
.zones{display:flex;flex-wrap:wrap;gap:8px}
.zone-chip{display:inline-flex;align-items:center;gap:7px;background:var(--card);border:1px solid var(--line);padding:8px 13px;font-family:var(--f-mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;text-decoration:none;color:var(--ink);transition:all .2s}
.zone-chip svg{width:13px;height:13px;color:var(--hot-d)}
.zone-chip:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px)}
.zone-chip:hover svg{color:var(--hot)}
.more-chip{background:var(--hot-d);color:#fff;border-color:var(--hot-d)}
.more-chip svg{color:#fff}
.zones.small .zone-chip{padding:5px 10px;font-size:.68rem;background:var(--paper)}
.zone-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:34px}
.zone-grid .card h2{font-size:1.1rem}
.radar{background:var(--d0);padding:14px;border:1px solid #1a1d33;position:relative}
.radar svg{width:100%;height:auto;display:block}
.rr{stroke:rgba(255,255,255,.22);stroke-dasharray:3 6;fill:none}
.rx{stroke:rgba(255,255,255,.1)}
.rl{fill:#8a90ab;font-size:11px;stroke:none}
.rl.hi{fill:#fff}.rl.dim{fill:#5a6080}
.core{fill:var(--hot);stroke:none}
.pulse{fill:none;stroke:var(--hot);stroke-width:2;transform-box:fill-box;transform-origin:center;animation:ping 2.4s ease-out infinite}
@keyframes ping{from{transform:scale(1);opacity:1}to{transform:scale(7);opacity:0}}
.sweep{transform-box:view-box;transform-origin:50% 50%;animation:spin 8s linear infinite}
.sl{stroke:var(--hot);stroke-width:1.5}
@keyframes spin{to{transform:rotate(360deg)}}

/* cycle pompe à chaleur */
.cyc .grid-bg{mask-image:radial-gradient(ellipse at 30% 50%,#000 5%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 30% 50%,#000 5%,transparent 70%)}
.seg{display:inline-flex;border:1px solid rgba(255,255,255,.25);margin:6px 0 24px}
.seg button{font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.06em;font-size:.72rem;background:transparent;color:#b8bcd4;border:0;padding:12px 18px;cursor:pointer;transition:all .25s}
.seg button.on{background:var(--hot-d);color:#fff}
.diagram{background:var(--d1);border:1px solid rgba(255,255,255,.14);padding:22px;position:relative}
.diagram svg{width:100%;height:auto;display:block}
.cap{margin:10px 0 0;color:#6d7391;font-size:.62rem}
.box{fill:rgba(255,255,255,.03);stroke:rgba(255,255,255,.35)}
.ring{stroke:rgba(255,255,255,.4)}
.blade{stroke:rgba(255,255,255,.5);stroke-width:5}
.hub{fill:#fff;stroke:none}
.fan{transform-box:fill-box;transform-origin:center;animation:spin 2.4s linear infinite}
.fins path{stroke:rgba(255,255,255,.35);stroke-width:5}
.pipe{stroke:rgba(255,255,255,.12);stroke-width:12}
.flow{stroke-width:4;stroke-dasharray:3 15;animation:dash .9s linear infinite}
.flow.top{stroke:var(--hot)}
.flow.bot{stroke:var(--ice)}
@keyframes dash{to{stroke-dashoffset:-36}}
.diagram[data-mode=summer] .flow{animation-direction:reverse}
.diagram[data-mode=winter] .fins path{stroke:rgba(255,90,54,.8)}
.diagram[data-mode=summer] .fins path{stroke:rgba(111,211,255,.85)}
.diagram[data-mode=winter] .ring{stroke:rgba(111,211,255,.8)}
.diagram[data-mode=summer] .ring{stroke:rgba(255,90,54,.8)}
.lab{fill:#aab0cb;font-size:10.5px;stroke:none}
.lab.s{display:none}
.diagram[data-mode=summer] .lab.s{display:block}
.diagram[data-mode=summer] .lab.w{display:none}

/* faq */
.faq{display:grid;gap:10px}
details{border:1px solid var(--line);background:var(--card);padding:2px 22px;transition:border-color .2s}
details[open]{border-color:var(--ink)}
summary{cursor:pointer;font-weight:600;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--f-mono);font-size:1.4rem;color:var(--hot-d);line-height:1;transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);padding-bottom:14px}

/* bandeau CTA */
.cta-band{position:relative;overflow:hidden;background:var(--d0);color:#fff;padding:72px 0;border-top:1px solid #1a1d33}
.cta-band::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--therm)}
.cta-band .blob{display:none}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:.4em}
.cta-band p{margin:0;color:#b8bcd4;max-width:56ch}

/* pied de page */
.site-footer{background:#04050a;color:#9aa0b8;padding-top:64px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.site-footer h3{color:#fff;font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.1em;font-size:.72rem;margin-bottom:16px;font-weight:600}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.site-footer a{color:#9aa0b8;text-decoration:none}
.site-footer a:hover{color:#fff}
.foot-txt{margin:18px 0}
.contact-list li{display:flex;gap:10px;align-items:flex-start}
.contact-list svg{width:17px;height:17px;flex:none;margin-top:4px;color:var(--hot)}
.contact-list.dark{list-style:none;padding:0;display:grid;gap:10px}
.contact-list.dark svg{color:var(--hot-d)}
.contact-list.dark a{color:var(--ink);font-weight:600}
.foot-cities{margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:.8rem;line-height:2.1;color:#666b86}
.foot-cities strong{color:#fff;font-family:var(--f-mono);text-transform:uppercase;font-size:.7rem}
.foot-cities a{color:#666b86}
.foot-bottom{margin-top:20px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem;font-family:var(--f-mono)}

/* devis */
.quote-grid{display:grid;grid-template-columns:1.3fr .8fr;gap:40px;align-items:start}
.form-card{background:var(--card);border:1px solid var(--ink);padding:36px;min-height:320px;box-shadow:10px 10px 0 -2px rgba(11,12,20,.1)}
.steps{list-style:none;counter-reset:s;padding:0;margin:0 0 28px;display:grid;gap:18px}
.steps li{counter-increment:s;position:relative;padding-left:58px}
.steps li::before{content:"0" counter(s);position:absolute;left:0;top:0;width:42px;height:42px;background:var(--d0);color:var(--hot);font-family:var(--f-mono);font-weight:600;display:grid;place-items:center;clip-path:var(--cut)}
.steps strong{display:block}
.steps span{color:var(--muted);font-size:.95rem}
.info-box{background:var(--card);border:1px solid var(--line);padding:24px}
.info-box p{margin-bottom:12px}
.fallback{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:.95rem}

/* prose */
.prose{background:var(--card);border:1px solid var(--line);padding:36px}
.prose h2{font-size:1.2rem;margin-top:1.8em}
.prose table{width:100%;border-collapse:collapse;margin:1em 0;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--paper)}
.tbc{background:#fff3cd;color:#664d03;padding:1px 6px;font-size:.9em}
.prose td:first-child{font-weight:600}

/* jauge de température au scroll */
.gauge{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:40;display:flex;flex-direction:column;align-items:center;gap:8px;font-family:var(--f-mono);font-size:.62rem;color:var(--ink);pointer-events:none}
.gauge i{display:block;width:6px;height:170px;background:rgba(11,12,20,.14);position:relative;overflow:hidden}
.gauge u{position:absolute;left:0;right:0;bottom:0;height:0;background:linear-gradient(0deg,#1d1cc6,#4f6bff,#6fd3ff,#ffb347,#ff5a36,#d93217);background-size:100% 170px;background-position:bottom}
.sticky-cta{display:none}

/* révélations */
.js .reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal.d1{transition-delay:.08s}.js .reveal.d2{transition-delay:.18s}.js .reveal.d3{transition-delay:.28s}.js .reveal.d4{transition-delay:.38s}
.blob{display:none}

/* ===== responsive ===== */
@media (max-width:1280px){.gauge{display:none}}
@media (max-width:1120px){
  .burger{display:block}
  .nav{position:fixed;inset:88px 0 auto 0;background:var(--paper);flex-direction:column;padding:12px 20px 22px;border-bottom:1px solid var(--ink);transform:translateY(-130%);transition:transform .3s;margin:0}
  .nav.open{transform:none}
  .nav a{padding:15px 4px;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav a::after{display:none}
  .bar-cta{margin-left:auto}
}
@media (max-width:1020px){
  .cards.four{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .zwrap{grid-template-columns:1fr}
  .radar{max-width:480px}
}
@media (max-width:860px){
  body{font-size:16px}
  .topbar .tb-r{display:none}
  .tel span{display:none}
  .bar{min-height:72px}
  .brand img,.site-header.scrolled .brand img{width:168px}
  .nav{inset:auto 0 auto 0;top:104px}
  .bar-cta .btn-red{display:none}
  .hero-grid,.two,.quote-grid{grid-template-columns:1fr}
  .hero-grid{gap:44px}
  .two{gap:44px}
  .hero{padding:44px 0 64px}
  .page-hero{padding:40px 0 64px}
  .frame.small{right:-6px}
  .cards,.cards.three,.zone-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .tile,.t1,.t2,.t3,.t4{grid-column:auto;min-height:280px}
  .section{padding:64px 0}
  .mosaic{grid-template-rows:180px 180px}
  .prose,.form-card{padding:22px}
  .sticky-cta{display:block;position:fixed;left:16px;right:16px;bottom:14px;z-index:70;background:linear-gradient(100deg,var(--hot-d),var(--hot));color:#fff;text-align:center;font-weight:700;padding:15px;text-decoration:none;clip-path:var(--cut)}
  .site-footer{padding-bottom:76px}
}
@media (max-width:520px){
  .cards.four,.foot-grid,.timeline{grid-template-columns:1fr}
  .mode{grid-template-columns:72px 1fr auto}
  .mthumb img{width:72px;height:72px}
  .thermo{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}

/* bannière de consentement */
.consent{position:fixed;left:16px;right:16px;bottom:16px;z-index:80;max-width:720px;margin-inline:auto;background:var(--d1);color:#d5d8ea;border:1px solid rgba(255,255,255,.2);padding:18px 20px;display:flex;gap:18px;align-items:center;flex-wrap:wrap;box-shadow:0 20px 50px -20px rgba(0,0,0,.7)}
.consent[hidden]{display:none}
.consent p{margin:0;flex:1 1 320px;font-size:.9rem;line-height:1.5}
.consent a{color:var(--ice)}
.consent-btns{display:flex;gap:10px}
.consent .btn{padding:10px 20px;font-size:.9rem}
@media (max-width:860px){.consent{bottom:76px}}