/* Groupe Puitbec — concept de refonte. Papier sable, ardoise (la roche), le rouge des foreuses et le bleu du logo (l'eau). */
:root{
  --paper:#F3F1EC; --paper-deep:#E8E4DC; --ink:#14181D; --slate:#1B2530; --slate-deep:#111820;
  --red:#D8231C; --red-soft:#F26B5E; --blue:#0079C2; --blue-text:#006DAE; --water:#DCEBF5; --muted:#5B636C;
  --line:rgba(20,24,29,.14); --line-dark:rgba(243,241,236,.16); --paper-dim:rgba(243,241,236,.72);
  --ease:cubic-bezier(.22,.61,.36,1); --ease-out:cubic-bezier(.16,1,.3,1);
  --gutter:clamp(20px,4.5vw,64px); --max:1480px; --side:max(var(--gutter),(100% - var(--max))/2);
  --head:'Geologica',system-ui,-apple-system,'Segoe UI',sans-serif; --body:'Golos Text',system-ui,-apple-system,'Segoe UI',sans-serif;
  --t-display:clamp(44px,7vw,104px); --t-h2:clamp(32px,4.1vw,62px); --t-h3:clamp(22px,2.2vw,30px); --t-lede:clamp(17px,1.35vw,20px);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden;overflow-x:clip}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--head);font-weight:600;letter-spacing:-.02em}
:focus-visible{outline:2px solid var(--blue);outline-offset:4px;border-radius:2px}
.dark :focus-visible,.hero :focus-visible,.hero-int :focus-visible,.menu :focus-visible,.nav:not(.is-solid) :focus-visible,.subbar :focus-visible{outline-color:#FFD166}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:var(--ink);color:var(--paper);padding:10px 14px;border-radius:999px;font-size:14px;text-decoration:none}
.skip:focus{top:16px}
#main:focus{outline:0}
.wrap{width:min(100% - 2*var(--gutter),var(--max));margin-inline:auto}

/* rôles typographiques */
.eyebrow{font:600 12px/1.3 var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-bottom:22px}
.display{font:600 var(--t-display)/.96 var(--head);letter-spacing:-.03em}
.headline{font:600 var(--t-h2)/1.03 var(--head);letter-spacing:-.025em;text-wrap:balance}
.lede{font:400 var(--t-lede)/1.55 var(--body);color:var(--muted);max-width:56ch;margin-top:26px}
.dark .lede{color:var(--paper-dim)}
.note{font:500 clamp(20px,1.7vw,25px)/1.4 var(--head);letter-spacing:-.015em;max-width:30ch}
.small{font-size:14px;color:var(--muted)}
.mask{display:block;overflow:hidden;padding:0 .1em .16em 0;margin:0 -.1em -.16em 0}
.display .mask{padding-bottom:.08em;margin-bottom:-.08em}
.mask>span{display:block}
.section-head{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px var(--gutter);align-items:end;padding-top:clamp(84px,11vw,150px);margin-bottom:clamp(40px,5.5vw,76px)}
.section-head .eyebrow{grid-column:1/-1}
.section-head .lede{margin-top:0;padding-bottom:.5em}
.section-head--tight{padding-top:clamp(40px,5vw,64px)}
@media (max-width:899px){.section-head{grid-template-columns:1fr}.section-head .lede{padding-bottom:0}}

/* boutons, liens */
.btn{position:relative;display:inline-flex;align-items:center;gap:14px;padding:18px 28px;border:1px solid currentColor;font:600 12.5px/1 var(--head);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;color:inherit;isolation:isolate;overflow:hidden;transition:color .45s var(--ease),border-color .45s var(--ease);white-space:nowrap;cursor:pointer;background:none}
.btn::after{content:"";position:absolute;inset:-1px;z-index:-1;background:var(--btn-fill);transform:translateX(-101%);transition:transform .5s var(--ease-out)}
.btn:hover::after,.btn:focus-visible::after{transform:translateX(0)}
.btn i{font-style:normal;transition:transform .45s var(--ease-out)}
.btn:hover i,.btn:focus-visible i{transform:translateX(6px)}
.btn-paper{--btn-fill:var(--paper);color:var(--paper)}
.btn-paper:hover,.btn-paper:focus-visible{color:var(--ink);border-color:var(--paper)}
.btn-ink{--btn-fill:var(--ink);color:var(--ink)}
.btn-ink:hover,.btn-ink:focus-visible{color:var(--paper)}
.btn-red{--btn-fill:var(--red);color:var(--paper);background:var(--red);border-color:var(--red)}
.btn-red::after{background:var(--ink)}
.btn-red:hover,.btn-red:focus-visible{border-color:var(--ink)}
.btn-lg{padding:22px 34px}
.link{display:inline-flex;align-items:center;gap:10px;font:600 12.5px/1 var(--head);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;padding:12px 0 9px;position:relative;min-height:44px}
.link::after,.link::before{content:"";position:absolute;left:0;right:0;bottom:0;height:1px}
.link::after{background:currentColor;opacity:.3}
.link::before{background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease);z-index:1}
.link:hover::before,.link:focus-visible::before{transform:scaleX(1)}
.link i{font-style:normal;transition:transform .45s var(--ease-out)}
.link:hover i,.link:focus-visible i{transform:translateX(5px)}
.link.quiet{opacity:.72;font-weight:500}
.link.quiet::after{display:none}
.link.quiet:hover,.link.quiet:focus-visible{opacity:1}
.link.quiet:hover i,.link.quiet:focus-visible i{transform:translateY(4px)}
.link-arrow{display:inline-flex;align-items:center;gap:12px;font:600 12px/1 var(--head);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;position:relative;padding:8px 0 6px;color:var(--blue-text)}
.link-arrow::before{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:currentColor;transform:scaleX(.28);transform-origin:left;transition:transform .5s var(--ease-out)}
.link-arrow:hover::before,.link-arrow:focus-visible::before{transform:scaleX(1)}
.link-arrow i{width:22px;height:1px;background:currentColor;position:relative;transition:width .45s var(--ease-out)}
.link-arrow i::after{content:"";position:absolute;right:-1px;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
.link-arrow:hover i,.link-arrow:focus-visible i{width:34px}
.dark .link-arrow{color:#F7F5F0}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;gap:26px;padding:24px var(--gutter);color:var(--paper);transition:background .45s var(--ease),color .45s var(--ease),padding .45s var(--ease)}
html:not(.js) .nav{position:absolute}
html:not(.js) .nav-links,html:not(.js) .btn-nav{display:flex;flex-wrap:wrap}
html:not(.js) .nav-burger{display:none}
.nav.is-solid{background:rgba(243,241,236,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:var(--ink);padding-block:13px;border-bottom:1px solid var(--line)}
.nav.menu-open{background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;color:var(--paper);border-bottom-color:transparent}
.nav-logo{display:block;margin-right:auto;width:150px;flex:none}
.nav-logo img{width:150px;height:auto}
.nav-logo .logo-couleur{display:none}
.nav.is-solid:not(.menu-open) .logo-couleur{display:block}
.nav.is-solid:not(.menu-open) .logo-blanc{display:none}
.nav-links{display:flex;gap:2px}
.nav-links a{position:relative;padding:10px 10px;font:500 12.5px/1 var(--head);letter-spacing:.05em;text-transform:uppercase;text-decoration:none;opacity:.86;transition:opacity .3s;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:10px;right:10px;bottom:4px;height:2px;background:var(--red);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease-out)}
.nav-links a:hover,.nav-links a:focus-visible{opacity:1}
.nav-links a:hover::after,.nav-links a:focus-visible::after{transform:scaleX(1);transform-origin:left}
.nav-links a[aria-current]{opacity:1}
.nav-links a[aria-current]::after{transform:scaleX(1);transform-origin:left}
.btn-nav{padding:13px 20px;font-size:12px;letter-spacing:.1em;--btn-fill:var(--paper);color:var(--paper)}
.btn-nav:hover,.btn-nav:focus-visible{color:var(--ink);border-color:var(--paper)}
.is-solid .btn-nav{--btn-fill:var(--red);color:var(--red);border-color:var(--red)}
.is-solid .btn-nav:hover,.is-solid .btn-nav:focus-visible{color:var(--paper);border-color:var(--red)}
.menu-open .btn-nav{--btn-fill:var(--paper);color:var(--paper);border-color:currentColor}
.nav-burger{display:none;width:44px;height:44px;border:0;background:none;color:inherit;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.nav-burger span{display:block;width:24px;height:1.5px;background:currentColor;transition:transform .4s var(--ease)}
.nav-burger[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:45;background:var(--slate-deep);color:var(--paper);padding:104px var(--gutter) 40px;overflow-y:auto;overscroll-behavior:contain}
.menu nav{display:flex;flex-direction:column;gap:4px}
.menu nav>a:not(.btn){font:500 clamp(22px,5.6vw,34px)/1.2 var(--head);letter-spacing:-.02em;text-decoration:none;padding:7px 0;border-bottom:1px solid var(--line-dark)}
.menu nav>a.menu-sub{font-size:clamp(16px,4vw,20px);color:rgba(243,241,236,.78);padding:6px 0 6px 18px;border-bottom:0}
.menu nav>a[aria-current]{color:var(--red-soft)}
.menu nav>a.btn{margin-top:22px;align-self:flex-start}
.menu .menu-tel{margin-top:14px;font-size:15px;color:var(--paper-dim)}
.menu .menu-tel a{color:#fff;text-decoration:none;font-weight:600}
@media (max-width:1099px){.nav-links,.btn-nav{display:none}.nav-burger{display:flex}}
@media (min-width:1100px) and (max-width:1279px){.nav{gap:14px}.nav-links a{padding:10px 7px;font-size:11.5px;letter-spacing:.03em}.btn-nav{padding:12px 14px}.nav-logo,.nav-logo img{width:126px}}

/* héros de l'accueil : la foreuse devant l'atelier, parallaxe, la lumière baisse */
.hero{position:relative;height:100vh;height:100svh;min-height:640px;background:var(--slate);color:#F7F5F0;overflow:hidden}
.hero-media,.hero-poster,.hero-veil{position:absolute;inset:0;width:100%;height:100%}
.hero-media{z-index:0;overflow:hidden;will-change:transform}
.hero-poster{object-fit:cover;object-position:62% 55%}
.hero-veil{z-index:1;opacity:.94;background:linear-gradient(to top,rgba(10,16,24,.82) 0%,rgba(10,16,24,.42) 34%,rgba(10,16,24,.06) 62%),linear-gradient(100deg,rgba(10,16,24,.62) 0%,rgba(10,16,24,.3) 38%,rgba(10,16,24,0) 62%),linear-gradient(to bottom,rgba(10,16,24,.5) 0%,rgba(10,16,24,0) 22%)}
.hero-content{position:absolute;z-index:3;left:var(--gutter);right:var(--gutter);bottom:15vh;max-width:800px}
.hero-eyebrow{color:var(--red-soft);margin-bottom:24px}
.hero-title{font:600 var(--t-display)/.95 var(--head);letter-spacing:-.03em;text-shadow:0 2px 40px rgba(8,14,20,.35)}
.hero-title .mask{padding:0 .08em .1em 0;margin:0 -.08em -.1em 0}
.hero-lede{margin-top:28px;max-width:520px;font-size:18px;line-height:1.6;color:rgba(247,245,240,.9)}
.hero-ctas{margin-top:32px;display:flex;gap:36px;align-items:center;flex-wrap:wrap}
.hero-foot{position:absolute;z-index:3;left:var(--gutter);right:var(--gutter);bottom:28px}
.hero-foot-in{display:flex;justify-content:space-between;align-items:center;gap:24px;font:500 12px/1.4 var(--head);letter-spacing:.14em;text-transform:uppercase;color:rgba(247,245,240,.66)}
.hero-foot-in a{color:#F7F5F0;text-decoration:none}
.scroll-cue{display:inline-flex;align-items:center;gap:14px}
.scroll-cue i{width:1px;height:40px;background:currentColor;opacity:.5;position:relative;overflow:hidden}
.scroll-cue i::after{content:"";position:absolute;inset:0;background:var(--red-soft);transform:translateY(-100%);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:translateY(-100%)}55%{transform:translateY(0)}100%{transform:translateY(100%)}}
@media (max-width:720px){
  .hero{min-height:600px}
  .hero-poster{object-position:50% 50%}
  .hero-content{bottom:12vh}
  .hero-eyebrow{margin-bottom:18px}
  .hero-title{font-size:clamp(38px,11vw,52px)}
  .hero-lede{margin-top:20px;font-size:16px}
  .hero-ctas{gap:18px;flex-direction:column;align-items:flex-start;margin-top:24px}
  .hero-foot-in{font-size:12px;letter-spacing:.08em}
  .hero-foot .scroll-cue{display:none}
}

/* bande de preuve : un filet rouge se trace, le compteur de puits se compte */
.glance{position:relative;display:grid;grid-template-columns:repeat(4,1fr);padding:84px 0}
.glance::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--red);transform-origin:left;transition:transform 1.8s var(--ease)}
.js:not(.no-anim) .glance::before{transform:scaleX(0)}
.js:not(.no-anim) .glance.is-in::before{transform:scaleX(1)}
.glance-item{padding:8px 36px;border-left:1px solid var(--line)}
.glance-item:first-child{border-left:0;padding-left:0}
.glance .big{font:600 clamp(28px,2.7vw,42px)/1.1 var(--head);letter-spacing:-.025em;font-variant-numeric:tabular-nums}
.glance .big small{font-size:.55em;font-weight:500;letter-spacing:0;color:var(--muted);margin-left:.15em}
.glance .small{margin-top:10px;font:600 12px/1.5 var(--head);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
@media (max-width:899px){.glance{grid-template-columns:1fr 1fr;row-gap:40px;padding:64px 0}.glance-item{padding:0 0 0 22px}.glance-item:nth-child(3){border-left:0;padding-left:0}}
@media (max-width:599px){.glance{grid-template-columns:1fr;row-gap:0;padding:48px 0}.glance-item{padding:22px 0;border-left:0;border-top:1px solid var(--line)}.glance-item:first-child{border-top:0;padding-top:0}}

/* sections sombres */
.dark{background:var(--slate);color:var(--paper)}
.dark .eyebrow{color:var(--red-soft)}
.roche{position:relative;isolation:isolate;overflow:hidden}
.roche::before{content:"";position:absolute;inset:0;z-index:-2;background:url(../img/roche.jpg) center/cover no-repeat;opacity:.3;filter:saturate(.35)}
.roche::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(17,24,32,.55) 0%,rgba(17,24,32,.15) 50%,rgba(17,24,32,.7) 100%)}

/* cadres à parallaxe : l'image est en réserve à 120 % de la hauteur du cadre */
.frame,.way-media,.row-media .fr{overflow:hidden;background:var(--paper-deep);position:relative}
.frame img,.way-media img,.row-media .fr img{width:100%;height:120%;object-fit:cover;will-change:transform}
html:not(.js) .frame img,html:not(.js) .way-media img,html:not(.js) .row-media .fr img,.no-anim .frame img,.no-anim .way-media img,.no-anim .row-media .fr img{transform:translateY(-8%)}
.frame-32,.way-media{aspect-ratio:3/2}
.frame-45{aspect-ratio:4/5}
.frame-11{aspect-ratio:1/1}
.frame-169{aspect-ratio:16/9}
.frame.plain img{height:100%}

/* ce qu'ils font : une grande, trois petites, rythme cassé */
.ways{padding-bottom:clamp(80px,11vw,150px)}
.ways-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);grid-template-rows:auto auto auto;gap:44px var(--gutter)}
.way-lg{grid-row:1/4}
.way-lg .way-media{max-width:560px}
.way-lg .way-body{max-width:560px}
.way-body{padding-top:22px}
.way-body .eyebrow{margin-bottom:12px;color:var(--blue-text)}
.way-body h3{font-size:var(--t-h3);line-height:1.12;margin-bottom:14px;text-wrap:balance}
.way-lg .way-body h3{font-size:clamp(26px,2.8vw,40px)}
.way-body p:not(.eyebrow){color:var(--muted);max-width:46ch;margin-bottom:20px}
.way:not(.way-lg){display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px;align-items:start}
.way:not(.way-lg) .way-media{aspect-ratio:1/1;max-width:300px}
.way:not(.way-lg) .way-body{padding-top:0}
.way:not(.way-lg) .way-body h3{font-size:clamp(20px,1.8vw,24px)}
.way-list{display:grid;gap:6px;margin-bottom:18px;font-size:15px;color:var(--ink)}
.way-list li{padding-left:18px;position:relative}
.way-list li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:2px;background:var(--red)}
@media (max-width:1199px){.ways-grid{grid-template-columns:1fr;gap:44px}.way-lg{grid-row:auto;display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:24px var(--gutter);align-items:center}.way-lg .way-media{max-width:560px}.way-lg .way-body{padding-top:0}}
@media (max-width:899px){.way-lg{grid-template-columns:1fr}.way-lg .way-body{padding-top:18px}}
@media (max-width:599px){.way:not(.way-lg){grid-template-columns:1fr}.way:not(.way-lg) .way-media{aspect-ratio:3/2;max-width:none}.way:not(.way-lg) .way-body{padding-top:18px}}

/* la galerie épinglée : quatre façons de forer — verticale par défaut, rail horizontal avec le motion sur grand écran */
.rail{background:var(--paper-deep);position:relative}
.rail-pin{padding:clamp(84px,11vw,150px) 0 clamp(64px,8vw,120px)}
.rail-head{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px var(--gutter);align-items:end;margin-bottom:clamp(36px,5vh,64px)}
.rail-head .lede{margin-top:18px;max-width:44ch}
.rail-nav{display:none;justify-self:end;width:100%;max-width:440px;padding-bottom:6px}
.rail-index{display:flex;flex-wrap:wrap;gap:6px 18px;font:600 12px/1 var(--head);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.rail-index button{all:unset;display:inline-block;cursor:pointer;color:inherit;font:inherit;letter-spacing:inherit;text-transform:inherit;padding:6px 0;transition:color .35s}
.rail-index button:hover{color:var(--ink)}
.rail-index button:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.rail-index li.is-active button{color:var(--red)}
.rail-progress{height:2px;background:var(--line);margin-top:16px;overflow:hidden}
.rail-progress span{display:block;height:100%;width:100%;background:var(--red);transform:scaleX(0);transform-origin:left}
.rail-hint{margin-top:12px;font-size:13px;color:var(--muted);letter-spacing:.04em}
.rail-track{display:flex;flex-direction:column;gap:64px;padding-inline:var(--side)}
.panel{display:grid;grid-template-columns:1fr;gap:clamp(20px,3vw,44px);align-items:end}
.panel-media{aspect-ratio:3/2;overflow:hidden;background:var(--paper);max-width:700px}
.panel-media img{width:100%;height:100%;object-fit:cover}
.panel-body .eyebrow{margin-bottom:14px;color:var(--blue-text)}
.panel-body h3{font-size:clamp(28px,3.4vw,50px);line-height:1.02;letter-spacing:-.03em;text-wrap:balance;margin-bottom:16px}
.panel-body p:not(.eyebrow){color:var(--muted);max-width:40ch;margin-bottom:24px}
.panel-end .panel-body{padding:0}
.panel-end h3{font-size:clamp(32px,4.2vw,62px)}
@media (min-width:900px){.panel{grid-template-columns:minmax(0,6fr) minmax(0,6fr);align-items:center}.panel-end{grid-template-columns:1fr}}
@media (min-width:900px){
  .js:not(.no-anim) .rail-pin{height:100svh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;padding:max(clamp(40px,6vh,80px),84px) 0 clamp(32px,5vh,64px)}
  .js:not(.no-anim) .rail-nav{display:block}
  .js:not(.no-anim) .rail-track{flex-direction:row;gap:clamp(40px,6vw,110px);will-change:transform;align-items:stretch}
  .js:not(.no-anim) .panel{flex:0 0 min(84vw,1060px);grid-template-columns:minmax(0,6fr) minmax(0,6fr)}
  .js:not(.no-anim) .panel-media{aspect-ratio:auto;height:clamp(240px,100svh - 480px,400px);max-width:none}
  .js:not(.no-anim) .panel-media img{max-width:none;width:118%}
  .js:not(.no-anim) .panel-end{flex-basis:min(70vw,760px);grid-template-columns:1fr;align-items:center;padding-right:var(--side)}
}
@media (min-width:900px) and (max-height:700px){
  .js:not(.no-anim) .rail-pin{padding-top:76px}
  .js:not(.no-anim) .rail-head .lede{display:none}
  .js:not(.no-anim) .panel-body p:not(.eyebrow){font-size:15.5px;margin-bottom:18px}
}

/* Nordic Drill sur l'accueil : sombre, fond roche, le plan coté à droite */
.nordic{padding:clamp(96px,13vw,180px) 0}
.nordic-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px var(--gutter);align-items:center}
.nordic-facts{display:grid;gap:0;margin-top:36px;border-top:1px solid var(--line-dark);max-width:520px}
.nordic-facts div{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line-dark);align-items:baseline}
.nordic-facts b{font:600 clamp(20px,1.9vw,28px)/1.1 var(--head);letter-spacing:-.025em;color:#fff}
.nordic-facts span{color:var(--paper-dim);font-size:15.5px}
.blueprint{position:relative;background:#F7F6F2;padding:clamp(18px,2.4vw,32px);border:1px solid rgba(243,241,236,.18)}
.blueprint img{width:100%;height:auto}
.blueprint figcaption{margin-top:14px;font:600 12px/1.5 var(--head);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.blueprint-wipe{position:absolute;inset:0;background:#F7F6F2;transform-origin:right;pointer-events:none}
html:not(.js) .blueprint-wipe,.no-anim .blueprint-wipe{display:none}
.paper .blueprint{background:#fff;border-color:var(--line)}
.paper .blueprint-wipe{background:#fff}
@media (max-width:899px){.nordic-grid{grid-template-columns:1fr}}

/* le guide « Mon puits » en aperçu : quatre questions, quatre réponses courtes */
.guide{padding-bottom:clamp(80px,11vw,150px)}
.guide-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px var(--gutter);align-items:start}
.guide-side{position:sticky;top:110px}
.guide-side .frame{max-width:440px;margin-top:28px}
.qa{border-top:1px solid var(--line)}
.qa div{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:12px var(--gutter);padding:26px 0;border-bottom:1px solid var(--line)}
.qa dt{font:600 clamp(19px,1.7vw,24px)/1.2 var(--head);letter-spacing:-.02em}
.qa dd{color:var(--muted);font-size:16px;max-width:52ch}
.qa dd a{color:var(--blue-text);font-weight:600;text-decoration:none;border-bottom:1px solid var(--blue)}
@media (max-width:899px){.guide-grid{grid-template-columns:1fr}.guide-side{position:static}.qa div{grid-template-columns:1fr;gap:8px}}

/* entreprise sur l'accueil : cinq jalons + la relève */
.story{padding:clamp(88px,11vw,150px) 0 clamp(72px,9vw,120px)}
.story-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:56px var(--gutter);align-items:start}
.story-figure{margin-top:44px;max-width:560px}
.steps-col .story-figure{margin-top:36px;margin-left:118px;max-width:520px}
@media (max-width:599px){.steps-col .story-figure{margin-left:0}}
.story-figure figcaption{margin-top:12px;font-size:14px;color:var(--paper-dim)}
.steps{position:relative;padding:8px 0 0}
.steps-line{position:absolute;left:44px;top:20px;bottom:40px;width:1px;background:var(--line-dark)}
.steps-line span{display:block;width:100%;height:100%;background:var(--red-soft);transform:scaleY(0);transform-origin:top}
.step{display:grid;grid-template-columns:90px 1fr;gap:0 28px;padding:24px 0 28px;border-bottom:1px solid var(--line-dark);align-items:start}
.step:last-child{border-bottom:0}
.step-n{font:500 clamp(21px,2vw,27px)/1.1 var(--head);letter-spacing:-.02em;color:rgba(243,241,236,.45);transition:color .45s var(--ease),transform .45s var(--ease);font-variant-numeric:tabular-nums;position:relative;z-index:1;background:var(--slate);width:90px;text-align:center;padding:6px 0}
.step-now{font-size:14px;letter-spacing:.04em;padding-top:10px}
.step h3{font-size:clamp(19px,1.6vw,23px);letter-spacing:-.015em;margin-bottom:6px}
.step p{color:var(--paper-dim);font-size:15.5px;max-width:40ch}
.step.is-on .step-n,html:not(.js) .step-n,.no-anim .step-n{color:var(--red-soft)}
.step.is-on .step-n{transform:translateX(4px)}
.paper .steps-line{background:var(--line)}
.paper .steps-line span{background:var(--red)}
.paper .step{border-bottom-color:var(--line)}
.paper .step-n{background:var(--paper);color:rgba(20,24,29,.4)}
.paper .step p{color:var(--muted)}
.paper .step.is-on .step-n,html:not(.js) .paper .step-n,.no-anim .paper .step-n{color:var(--red)}
@media (max-width:899px){.story-grid{grid-template-columns:1fr}.steps{padding-top:0}}
@media (max-width:599px){.step{grid-template-columns:64px 1fr;gap:0 16px}.step-n{width:64px;font-size:19px}.step-now{font-size:12px;letter-spacing:.02em}.steps-line{left:32px}}

/* où nous trouver */
.where{padding:clamp(84px,11vw,150px) 0 clamp(80px,11vw,150px)}
.where-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px var(--gutter);align-items:start}
.where-cols .where-media{grid-column:1/-1;max-width:640px;margin-top:8px}
.where-text .headline{margin-bottom:12px}
.where-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px var(--gutter)}
.where-col h3{font-size:17px;letter-spacing:-.01em;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.where-col p{color:var(--muted);font-size:16px;margin-bottom:12px}
.where-col a{color:var(--ink);text-decoration:none;position:relative;font-weight:600}
.where-col a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease-out)}
.where-col a:hover::after,.where-col a:focus-visible::after{transform:scaleX(1)}
.where-media{max-width:560px}
.where-media figcaption{margin-top:12px;font-size:14px;color:var(--muted)}
@media (max-width:899px){.where-grid{grid-template-columns:1fr}.where-media{max-width:none}}
@media (max-width:599px){.where-cols{grid-template-columns:1fr}}

/* appel final */
.cta{position:relative;padding:clamp(140px,18vw,240px) 0;overflow:clip;isolation:isolate}
.cta-bg{position:absolute;inset:-12% 0;z-index:0}
.cta-bg img{width:100%;height:100%;object-fit:cover;object-position:center 55%}
.cta::after{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(180deg,rgba(17,24,32,.78) 0%,rgba(17,24,32,.5) 50%,rgba(17,24,32,.92) 100%)}
.cta-inner{position:relative;z-index:1;max-width:1100px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:24px 40px;margin-top:40px}

/* pied de page */
.footer{background:var(--slate-deep);color:var(--paper);border-top:1px solid var(--line-dark);padding:clamp(72px,8vw,100px) 0 40px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) repeat(3,minmax(0,2.6fr));gap:40px var(--gutter)}
.footer-logo{width:210px;height:auto}
.footer-brand .small{margin-top:18px;font:500 12px/1.6 var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--paper-dim);max-width:30ch}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col .eyebrow{color:var(--red-soft);font-size:12px;letter-spacing:.2em;margin-bottom:12px}
.footer-col a{text-decoration:none;color:rgba(243,241,236,.82);width:fit-content;position:relative;transition:color .3s}
.footer-col a:hover,.footer-col a:focus-visible{color:var(--paper)}
.footer-col a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--red-soft);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease-out)}
.footer-col a:hover::after,.footer-col a:focus-visible::after{transform:scaleX(1)}
.footer-col a[aria-current]{color:var(--paper)}
.plain{color:rgba(243,241,236,.82);display:grid;gap:4px;margin-top:6px}
.footer-base{margin-top:48px;padding-top:26px;border-top:1px solid var(--line-dark);display:grid;gap:14px}
.copyright{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;font:500 12px/1.6 var(--head);letter-spacing:.14em;text-transform:uppercase;color:rgba(243,241,236,.55)}
.pbm{font-size:12.5px;line-height:1.6;color:rgba(243,241,236,.6)}
@media (max-width:899px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:599px){.footer-grid{grid-template-columns:1fr}}

/* ————— pages intérieures : même socle, héros court, un moment par gabarit ————— */
.hero-int{position:relative;background:var(--slate);color:#F7F5F0;padding:clamp(108px,14vh,156px) 0 clamp(44px,6vh,72px);overflow:hidden;isolation:isolate}
.hero-int::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line-dark)}
.hero-int .wrap{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:36px var(--gutter);align-items:end}
.hero-int .eyebrow{color:var(--red-soft)}
.hero-int h1{font:600 clamp(38px,5vw,76px)/.98 var(--head);letter-spacing:-.03em;text-wrap:balance}
.hero-int h1 .mask{padding:0 .08em .12em 0;margin:0 -.08em -.12em 0}
.hero-int .lede{color:rgba(247,245,240,.82);max-width:50ch;margin-top:22px}
.hero-int-meta{display:flex;flex-wrap:wrap;gap:14px 36px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line-dark);font:600 12px/1.5 var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--red-soft)}
.hero-int-meta b{display:block;color:#F7F5F0;font:600 clamp(19px,1.7vw,25px)/1.15 var(--head);letter-spacing:-.02em;text-transform:none;margin-top:4px}
.hero-int-fig{position:relative;justify-self:end;width:100%;max-width:640px}
.hero-int-fig .frame{border:1px solid var(--line-dark)}
.hero-int-fig figcaption{margin-top:12px;font:600 12px/1.5 var(--head);letter-spacing:.12em;text-transform:uppercase;color:rgba(247,245,240,.58)}
.hero-int-fig--sm{max-width:440px}
.hero-int-fig--md{max-width:560px}
.hero-int--text .wrap{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}
.hero-int-side{justify-self:end;width:100%;max-width:400px;display:grid;gap:18px;padding-top:18px;border-top:1px solid var(--line-dark)}
.hero-int-side p{color:rgba(247,245,240,.82);font-size:16px}
.hero-int-side a{color:#F7F5F0;font-weight:600;text-decoration:none;border-bottom:1px solid var(--red-soft);padding-bottom:1px}
.hero-int-side a:hover,.hero-int-side a:focus-visible{border-bottom-color:#F7F5F0}
.hero-int-num{justify-self:end;text-align:right;align-self:end}
.hero-int-num b{display:block;font:600 clamp(64px,9vw,150px)/.9 var(--head);letter-spacing:-.05em;color:#fff;font-variant-numeric:tabular-nums}
.hero-int-num span{display:block;margin-top:12px;font:600 12px/1.5 var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--red-soft)}
.hero-int.roche{background:var(--slate-deep)}
@media (max-width:899px){.hero-int .wrap,.hero-int--text .wrap{grid-template-columns:1fr}.hero-int-fig{justify-self:start;max-width:none}.hero-int-fig--sm{max-width:440px}
.hero-int-fig--md{max-width:560px}.hero-int-side{justify-self:start;max-width:none}.hero-int-num{justify-self:start;text-align:left}}

/* barre secondaire sous le héros : les pages sœurs d'une section */
.subbar{background:var(--slate-deep);color:var(--paper);border-bottom:1px solid var(--line-dark)}
.subbar ol{display:flex;gap:0;overflow-x:auto;padding:0 var(--side);-webkit-overflow-scrolling:touch;scrollbar-width:none}
.subbar ol::-webkit-scrollbar{display:none}
.subbar li.subbar-label{padding:15px 14px 15px 0;font:600 12px/1.2 var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--red-soft);white-space:nowrap;flex:none;align-self:center}
.subbar li.subbar-label+li a{padding-left:0}
.subbar a{display:block;padding:16px 13px;font:500 12px/1.2 var(--head);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;white-space:nowrap;color:rgba(243,241,236,.66);border-bottom:2px solid transparent;transition:color .3s}
.subbar a:hover,.subbar a:focus-visible{color:var(--paper)}
.subbar a[aria-current]{color:#fff;border-bottom-color:var(--red-soft)}
.subbar a:focus-visible{outline-offset:-4px}

/* intro d'une page : texte + liste de faits */
.intro{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px var(--gutter);align-items:start;padding:clamp(48px,6vw,84px) 0 clamp(36px,4.5vw,64px)}
.intro .lede{max-width:58ch;margin-top:0}
.intro .lede+.lede{margin-top:20px}
.intro .eyebrow{margin-bottom:18px}
.intro p.body{color:var(--muted);max-width:60ch;margin-top:18px}
.spec{border-top:2px solid var(--red)}
.spec div{padding:15px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:minmax(120px,4fr) minmax(0,8fr);gap:16px}
.spec dt{font:600 12px/1.6 var(--head);letter-spacing:.12em;text-transform:uppercase;color:var(--blue-text)}
.spec dd{margin:0;font-size:15.5px;color:var(--muted);line-height:1.55}
.spec dd a{color:var(--ink);font-weight:600;text-decoration:none;border-bottom:1px solid var(--red)}
.spec dd a:hover,.spec dd a:focus-visible{border-bottom-color:var(--ink)}
.spec-note{margin-top:22px;font-size:14px;color:var(--muted)}
@media (max-width:899px){.intro{grid-template-columns:1fr;gap:32px}}

/* rangées photo + texte, en alternance ; les photos de chantier restent ≤ 440 px (netteté) */
.rows{display:grid;gap:clamp(40px,5.5vw,80px);padding-bottom:clamp(64px,8vw,120px)}
.row{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:28px var(--gutter);align-items:center}
.row:nth-child(even) .row-media{order:2;justify-self:end}
.row:nth-child(even) .row-body{order:1;padding-right:clamp(0px,4vw,64px)}
.row:nth-child(odd) .row-body{padding-left:clamp(0px,3vw,48px)}
.row-media{position:relative;width:100%;max-width:560px}
.row-media.md{max-width:640px}
.row-media.sm{max-width:400px}
.row-media.lg{max-width:700px}
.row-media .fr{aspect-ratio:3/2}
.row-media .fr.sq{aspect-ratio:1/1}
.row-media figcaption{margin-top:10px;font:600 12px/1.5 var(--head);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.row-n{position:absolute;left:-8px;top:-18px;z-index:1;font:600 clamp(44px,5vw,72px)/1 var(--head);letter-spacing:-.04em;color:var(--paper);text-shadow:0 2px 24px rgba(8,14,20,.5)}
.row-body .eyebrow{margin-bottom:12px;color:var(--blue-text)}
.row-body h3{font-size:clamp(26px,3vw,44px);line-height:1.04;letter-spacing:-.03em;margin-bottom:16px;text-wrap:balance}
.row-body h2.headline{font-size:clamp(28px,3.4vw,50px);margin-bottom:16px}
.row-body p:not(.eyebrow){color:var(--muted);max-width:48ch;margin-bottom:20px}
.row-body ul{display:grid;gap:8px;margin:0 0 22px;color:var(--ink);font-size:15.5px}
.row-body ul li{padding-left:18px;position:relative}
.row-body ul li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:2px;background:var(--red)}
.row-body dl{display:flex;flex-wrap:wrap;gap:8px 28px;margin:0 0 24px;font-size:14px}
.row-body dt{font:600 12px/1.6 var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--red)}
.row-body dd{margin:0;color:var(--ink);font-weight:600}
.dark .row-body p:not(.eyebrow){color:var(--paper-dim)}
.dark .row-body ul{color:var(--paper)}
.dark .row-body .eyebrow{color:var(--red-soft)}
.dark .row-media figcaption{color:var(--paper-dim)}
@media (max-width:899px){.row{grid-template-columns:1fr;gap:20px}.row:nth-child(even) .row-media{order:0;justify-self:start}.row:nth-child(even) .row-body{order:0;padding-right:0}.row:nth-child(odd) .row-body{padding-left:0}}

/* duo de photos, chacune avec sa phrase */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,48px) var(--gutter);align-items:start;padding-bottom:clamp(56px,7vw,96px)}
.duo figure{max-width:560px}
.duo figure.sm{max-width:400px}
.duo figure:nth-child(even){justify-self:end;margin-top:clamp(24px,4vw,64px)}
.duo .fr{aspect-ratio:3/2;overflow:hidden;background:var(--paper-deep)}
.duo .fr img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease-out)}
.duo figure:hover .fr img{transform:scale(1.03)}
.duo h3{font-size:clamp(19px,1.7vw,24px);letter-spacing:-.02em;margin-top:16px}
.duo p{color:var(--muted);font-size:15.5px;margin-top:8px;max-width:40ch}
@media (max-width:599px){.duo{grid-template-columns:1fr}.duo figure:nth-child(even){justify-self:start;margin-top:0}}

/* capacités : liste en deux colonnes numérotée */
.caps{padding:clamp(56px,7vw,96px) 0 clamp(72px,9vw,130px)}
.caps-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px var(--gutter);align-items:start}
.caps-side{position:sticky;top:110px}
.caps-side .frame{max-width:440px;margin-top:28px}
.caps-side figcaption{margin-top:10px;font-size:14px;color:var(--muted)}
.caps-list{display:grid;grid-template-columns:1fr 1fr;gap:0 var(--gutter);border-top:1px solid var(--line)}
.caps-list li{display:grid;grid-template-columns:40px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);align-items:baseline}
.caps-list li span{font:600 13px/1 var(--head);color:var(--red);letter-spacing:.06em;font-variant-numeric:tabular-nums}
.caps-list li b{font:600 clamp(17px,1.5vw,21px)/1.25 var(--head);letter-spacing:-.015em}
.caps-list li small{display:block;font-size:14px;color:var(--muted);margin-top:4px;line-height:1.5}
.dark .caps-list{border-top-color:var(--line-dark)}
.dark .caps-list li{border-bottom-color:var(--line-dark)}
.dark .caps-list li span{color:var(--red-soft)}
.dark .caps-list li small{color:var(--paper-dim)}
.dark .caps-side figcaption{color:var(--paper-dim)}
@media (max-width:899px){.caps-grid{grid-template-columns:1fr}.caps-side{position:static}}
@media (max-width:599px){.caps-list{grid-template-columns:1fr}}

/* bande photo pleine largeur (forage spécialisé) */
.band{position:relative;height:clamp(420px,62vh,640px);overflow:hidden;background:var(--slate-deep)}
.band img{position:absolute;inset:-12% 0;width:100%;height:124%;object-fit:cover;object-position:center 45%}
.band::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(17,24,32,.75),rgba(17,24,32,.05) 55%)}
.band-cap{position:absolute;z-index:1;left:var(--side);right:var(--side);bottom:clamp(24px,4vw,44px);color:#F7F5F0;display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap}
.band-cap p{font:500 clamp(20px,2.2vw,30px)/1.25 var(--head);letter-spacing:-.02em;max-width:24ch;text-shadow:0 2px 20px rgba(5,8,12,.6)}
.band-cap span{font:600 12px/1.5 var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--red-soft)}
html:not(.js) .band img,.no-anim .band img{inset:0;height:100%}

/* schéma du puits : SVG qui se trace au scroll */
.well{padding:clamp(64px,8vw,120px) 0 clamp(64px,8vw,120px)}
.well-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px var(--gutter);align-items:start}
.well-fig{position:sticky;top:96px;max-width:520px}
.well-fig svg{width:100%;height:auto;font-family:var(--head)}
.well-fig figcaption{margin-top:12px;font-size:14px;color:var(--muted)}
.well svg .ln{fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.well svg .ln.red{stroke:var(--red);stroke-width:2.2}
.well svg .ln.blue{stroke:var(--blue);stroke-width:2}
.well svg .ln.thin{stroke-width:1;stroke:var(--muted)}
.well svg .lbl{font:600 12px var(--head);fill:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.well svg .lbl.b{fill:var(--ink);font-size:13px;letter-spacing:.02em;text-transform:none}
.well svg .fill-w{fill:var(--water)}
.well svg .fill-r{fill:var(--paper-deep)}
.guide-list{display:grid;gap:0}
.guide-q{padding:clamp(28px,3.5vw,44px) 0;border-top:1px solid var(--line);scroll-margin-top:96px}
.guide-q:last-child{border-bottom:1px solid var(--line)}
.guide-q .eyebrow{margin-bottom:10px}
.guide-q h2{font-size:clamp(24px,2.6vw,38px);letter-spacing:-.025em;line-height:1.08;margin-bottom:14px;text-wrap:balance}
.guide-q p{color:var(--muted);max-width:58ch;margin-bottom:12px}
.guide-q ul{display:grid;gap:6px;margin:8px 0 14px;font-size:15.5px}
.guide-q ul li{padding-left:18px;position:relative}
.guide-q ul li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:2px;background:var(--red)}
.guide-q .link-arrow{margin-top:4px}
@media (max-width:899px){.well-grid{grid-template-columns:1fr}.well-fig{position:static}}

/* procédure : étapes numérotées qui s'allument */
.proc{padding:clamp(56px,7vw,96px) 0 clamp(72px,9vw,130px)}
.proc-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px var(--gutter);align-items:start}
.proc-side{position:sticky;top:110px;display:grid;gap:22px}
.warn{padding:22px 24px;background:var(--water);border-left:3px solid var(--blue);font-size:15px;color:var(--ink)}
.warn b{display:block;font:600 12px/1.5 var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--blue-text);margin-bottom:6px}
.warn.red{background:#FBE3E0;border-left-color:var(--red)}
.warn.red b{color:var(--red)}
.proc .steps-line{left:32px}
.proc .step{grid-template-columns:64px 1fr;gap:0 22px;padding:20px 0 22px}
.proc .step-n{width:64px;font-size:20px}
.proc .step p{max-width:56ch;font-size:16px}
@media (max-width:899px){.proc-grid{grid-template-columns:1fr}.proc-side{position:static}}

/* pictos techniques qui se tracent (services résidentiels) */
.techs{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,48px) var(--gutter);padding-bottom:clamp(72px,9vw,130px)}
.tech{border-top:2px solid var(--red);padding-top:22px}
.tech:nth-child(2){margin-top:clamp(20px,3vw,48px)}
.tech svg{width:100%;max-width:220px;height:auto;margin-bottom:18px}
.tech svg .ln{fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tech svg .ln.red{stroke:var(--red);stroke-width:2.2}
.tech svg .ln.blue{stroke:var(--blue)}
.tech svg .fill-w{fill:var(--water)}
.tech h3{font-size:clamp(22px,2vw,28px);letter-spacing:-.02em;margin-bottom:10px}
.tech p{color:var(--muted);font-size:15.5px;max-width:34ch;margin-bottom:10px}
.tech ul{display:grid;gap:6px;font-size:15px;margin-top:12px}
.tech ul li{padding-left:18px;position:relative}
.tech ul li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:2px;background:var(--red)}
@media (max-width:899px){.techs{grid-template-columns:1fr}.tech:nth-child(2){margin-top:0}}

/* diamètres : cercles qui s'ouvrent (puits artésiens) ; échelle (entreprise) */
.diam{padding:clamp(64px,8vw,120px) 0}
.diam-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px var(--gutter);align-items:center}
.circles{display:flex;align-items:flex-end;gap:clamp(14px,2.4vw,36px);justify-content:flex-end;flex-wrap:wrap}
.circle{display:grid;place-items:center;border:2px solid var(--red);border-radius:50%;aspect-ratio:1;text-align:center;font:600 12px/1.3 var(--head);letter-spacing:.06em;color:var(--ink);transform-origin:center}
.circle b{display:block;font-size:clamp(15px,1.4vw,20px);letter-spacing:-.02em}
.circle small{display:block;font-size:12px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.c1{width:clamp(72px,7vw,96px)}.c2{width:clamp(108px,11vw,150px)}.c3{width:clamp(150px,15vw,208px)}.c4{width:clamp(196px,20vw,280px)}
.js:not(.no-anim) .circle{transform:scale(.4);opacity:0}
.js.no-anim .circle{transform:none;opacity:1;transition:transform .5s var(--ease),opacity .5s var(--ease)}
.scale{margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.scale-bar{position:relative;height:2px;background:var(--line);margin:34px 0 14px}
.scale-bar span{position:absolute;left:0;top:0;height:100%;width:100%;background:var(--red);transform:scaleX(0);transform-origin:left}
html:not(.js) .scale-bar span,.no-anim .scale-bar span{transform:none}
.scale-ticks{display:flex;justify-content:space-between;font:600 12px/1.4 var(--head);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.scale-ticks b{display:block;font-size:clamp(18px,1.8vw,24px);letter-spacing:-.02em;color:var(--ink);text-transform:none}
@media (max-width:899px){.diam-grid{grid-template-columns:1fr}.circles{justify-content:flex-start}}

/* géothermie : la boucle qui se trace, l'économie en grand */
.loop{padding:clamp(64px,8vw,120px) 0 clamp(64px,8vw,120px)}
.loop-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:40px var(--gutter);align-items:center}
.loop-fig{max-width:560px;justify-self:end}
.loop-fig svg{width:100%;height:auto}
.loop-fig svg .ln{fill:none;stroke:var(--paper);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.loop-fig svg .ln.red{stroke:var(--red-soft);stroke-width:2.4}
.loop-fig svg .ln.blue{stroke:#5FB3E8;stroke-width:2.4}
.loop-fig svg .ln.thin{stroke:rgba(243,241,236,.35);stroke-width:1}
.loop-fig svg .lbl{font:600 12px var(--head);fill:rgba(243,241,236,.7);letter-spacing:.08em;text-transform:uppercase}
.loop-fig figcaption{margin-top:12px;font-size:14px;color:var(--paper-dim)}
.bignum{font:600 clamp(72px,10vw,160px)/.9 var(--head);letter-spacing:-.05em;color:var(--ink);font-variant-numeric:tabular-nums}
.dark .bignum{color:#fff}
.bignum small{font-size:.32em;letter-spacing:-.01em;color:var(--red);margin-left:.1em}
.bignum-cap{margin-top:14px;font:600 12px/1.6 var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--red);max-width:36ch}
.dark .bignum small,.dark .bignum-cap{color:var(--red-soft)}
.adv{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,2.4vw,32px);padding-bottom:clamp(72px,9vw,130px)}
.adv div{padding-top:16px;border-top:2px solid var(--red)}
.adv div:nth-child(3n){border-top-color:var(--blue)}
.adv b{display:block;font:600 clamp(20px,2vw,27px)/1.12 var(--head);letter-spacing:-.025em;margin-bottom:8px}
.adv p{color:var(--muted);font-size:15px;max-width:34ch}
@media (max-width:899px){.loop-grid{grid-template-columns:1fr}.loop-fig{justify-self:start}}
@media (max-width:599px){.adv{grid-template-columns:1fr}}

/* Nordic Drill : l'arc 0 → 90°, le tableau des spécifications */
.arc{padding:clamp(64px,8vw,120px) 0}
.arc-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:40px var(--gutter);align-items:center}
.arc-fig{max-width:520px;justify-self:end}
.arc-fig svg{width:100%;height:auto}
.arc-fig svg .ln{fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round}
.arc-fig svg .ln.red{stroke:var(--red);stroke-width:3}
.arc-fig svg .ln.thin{stroke:var(--muted);stroke-width:1;stroke-dasharray:3 5}
.arc-fig svg .lbl{font:600 12px var(--head);fill:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.arc-fig svg .lbl.b{fill:var(--ink);font-size:22px;letter-spacing:-.02em;text-transform:none}
.arc-fig figcaption{margin-top:12px;font-size:14px;color:var(--muted)}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.4vw,32px) var(--gutter);padding-bottom:clamp(64px,8vw,120px)}
.three>div{padding-top:18px;border-top:2px solid var(--red)}
.three>div:nth-child(2){margin-top:clamp(18px,3vw,44px);border-top-color:var(--blue)}
.three h3{font-size:clamp(22px,2vw,28px);letter-spacing:-.02em;margin-bottom:10px}
.three p{color:var(--muted);font-size:15.5px;max-width:36ch;margin-bottom:12px}
.three ul{display:grid;gap:6px;font-size:15px}
.three ul li{padding-left:18px;position:relative}
.three ul li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:2px;background:var(--red)}
.dark .three p{color:var(--paper-dim)}
.dark .three>div{border-top-color:var(--red-soft)}
.dark .three>div:nth-child(2){border-top-color:#5FB3E8}
@media (max-width:899px){.arc-grid{grid-template-columns:1fr}.arc-fig{justify-self:start}.three{grid-template-columns:1fr}.three>div:nth-child(2){margin-top:0}}
.specs{padding:clamp(56px,7vw,96px) 0 clamp(72px,9vw,130px)}
.specs-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px var(--gutter);align-items:start}
.specs-side{position:sticky;top:110px}
.specs-side .blueprint{margin-top:28px;max-width:440px}
table.spec-table{width:100%;border-collapse:collapse;font-size:15px}
.spec-table caption{text-align:left;font:600 12px/1.5 var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--red);padding:18px 0 10px}
.spec-table th,.spec-table td{text-align:left;padding:12px 12px 12px 0;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{font:600 14px/1.4 var(--head);letter-spacing:-.01em;color:var(--ink);width:44%}
.spec-table td{color:var(--muted);font-variant-numeric:tabular-nums}
.spec-table thead th{font:600 12px/1.4 var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);border-bottom:2px solid var(--ink)}
@media (max-width:899px){.specs-grid{grid-template-columns:1fr}.specs-side{position:static}}

/* fiches de réalisations : hub en rangées, fiche avec le chiffre du chantier */
.hub{padding:clamp(56px,7vw,96px) 0 clamp(72px,9vw,130px)}
.hub .rows{padding-bottom:0}
.fiche-num{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px var(--gutter);align-items:end;padding:clamp(48px,6vw,84px) 0 clamp(32px,4vw,56px);border-bottom:1px solid var(--line)}
.fiche-num .bignum{font-size:clamp(64px,9vw,150px)}
.fiche-num p{color:var(--muted);max-width:50ch}
@media (max-width:899px){.fiche-num{grid-template-columns:1fr}}
.pn{border-top:1px solid var(--line);background:var(--paper-deep)}
.pn .wrap{display:grid;grid-template-columns:1fr 1fr}
.pn a{display:flex;flex-direction:column;gap:8px;padding:clamp(30px,4vw,52px) 0;text-decoration:none}
.pn a+a{text-align:right;align-items:flex-end;border-left:1px solid var(--line)}
.pn .eyebrow{margin-bottom:0;color:var(--muted);transition:color .3s}
.pn strong{font:600 clamp(20px,2.2vw,32px)/1.05 var(--head);letter-spacing:-.025em}
.pn a:hover .eyebrow,.pn a:focus-visible .eyebrow{color:var(--red)}
@media (max-width:599px){.pn .wrap{grid-template-columns:1fr}.pn a+a{text-align:left;align-items:flex-start;border-left:0;border-top:1px solid var(--line)}}

/* actualités : la colonne des années */
.news{padding:clamp(48px,6vw,84px) 0 clamp(72px,9vw,130px)}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:120px minmax(0,2fr) minmax(0,3fr);gap:16px var(--gutter);padding:clamp(24px,3vw,40px) 0;border-bottom:1px solid var(--line);align-items:start}
.news-item .yr{font:600 clamp(28px,3vw,44px)/1 var(--head);letter-spacing:-.03em;color:var(--red);font-variant-numeric:tabular-nums}
.news-item .yr small{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:8px}
.news-item h2{font-size:clamp(20px,2vw,28px);letter-spacing:-.02em;line-height:1.15}
.news-item p{color:var(--muted);font-size:16px;max-width:60ch}
.news-item p+p{margin-top:10px}
.news-item .src{font-size:13px;color:var(--muted);margin-top:12px}
@media (max-width:899px){.news-item{grid-template-columns:90px 1fr}.news-item p{grid-column:2}}
@media (max-width:599px){.news-item{grid-template-columns:1fr}.news-item p{grid-column:1}}

/* formulaire de soumission (démonstration) */
.form-sec{padding:clamp(48px,6vw,84px) 0 clamp(72px,9vw,130px)}
.form-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px var(--gutter);align-items:start}
.form{display:grid;grid-template-columns:1fr 1fr;gap:22px var(--gutter)}
.form .full{grid-column:1/-1}
.form label{display:grid;gap:8px;font:600 12px/1.4 var(--head);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.form label em{font-style:normal;color:var(--red)}
.form input,.form textarea{width:100%;border:0;border-bottom:1px solid var(--ink);background:transparent;padding:12px 0;font:400 17px/1.4 var(--body);color:var(--ink);border-radius:0;transition:border-color .3s}
.form input:focus,.form textarea:focus{border-bottom:2px solid var(--red)}
.form input:focus-visible,.form textarea:focus-visible{outline:2px solid var(--red);outline-offset:6px}
.form textarea{min-height:120px;resize:vertical}
.form .actions{grid-column:1/-1;display:flex;align-items:center;gap:24px 36px;flex-wrap:wrap;margin-top:10px}
.form .actions small{color:var(--muted);font-size:14px}
.form-side{display:grid;gap:22px;position:sticky;top:110px}
.form-side .frame{max-width:440px}
.form-side figcaption{margin-top:10px;font-size:14px;color:var(--muted)}
@media (max-width:899px){.form-grid{grid-template-columns:1fr}.form-side{position:static}}
@media (max-width:599px){.form{grid-template-columns:1fr}}

/* nous joindre : cartes de points de service */
.contact{padding:clamp(48px,6vw,84px) 0 clamp(72px,9vw,130px)}
.contact-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px var(--gutter);align-items:start}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:clamp(14px,1.8vw,26px)}
.card{padding:clamp(22px,2.4vw,32px);border:1px solid var(--line);display:grid;gap:8px;align-content:start}
.card .eyebrow{margin-bottom:6px}
.card-dark{background:var(--slate);color:var(--paper);border-color:transparent;grid-column:1/-1}
.card-dark .eyebrow{color:var(--red-soft)}
.card-deep{background:var(--paper-deep);border-color:transparent}
.card p{color:var(--muted);font-size:15.5px}
.card-dark p{color:var(--paper-dim)}
.card a{color:inherit;text-decoration:none;font-weight:600;position:relative}
.card a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--red);transform:scaleX(.3);transform-origin:left;transition:transform .45s var(--ease-out)}
.card a:hover::after,.card a:focus-visible::after{transform:scaleX(1)}
.card-dark a::after{background:var(--red-soft)}
.big-line{font:600 clamp(24px,2.5vw,36px)/1.1 var(--head);letter-spacing:-.025em}
.big-line a{color:inherit}
.card address{font-style:normal;color:var(--ink);line-height:1.55}
.card-dark address{color:var(--paper)}
.card h3{font-size:clamp(20px,1.9vw,26px);letter-spacing:-.02em;line-height:1.1}
.contact-side{display:grid;gap:22px}
.contact-side .frame{max-width:520px}
.contact-side figcaption{margin-top:10px;font-size:14px;color:var(--muted)}
.contact-note{padding:22px 0 0;border-top:2px solid var(--red);display:grid;gap:12px}
.contact-note p{color:var(--muted);font-size:15.5px}
.contact-note b{color:var(--ink)}
.partners{padding:clamp(56px,7vw,96px) 0 clamp(72px,9vw,130px)}
.partners-list{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,1.8vw,26px)}
.partner{padding:clamp(22px,2.4vw,32px);background:var(--paper);border:1px solid var(--line);display:grid;gap:6px;align-content:start;min-height:180px}
.partner:nth-child(2){background:var(--slate);color:var(--paper);border-color:transparent}
.partner:nth-child(2) .eyebrow{color:var(--red-soft)}
.partner:nth-child(2) p{color:var(--paper-dim)}
.partner .eyebrow{margin-bottom:4px}
.partner h3{font-size:clamp(19px,1.8vw,24px);letter-spacing:-.02em;line-height:1.12}
.partner p{color:var(--muted);font-size:15px}
.partners .reps{margin-top:clamp(24px,3vw,40px);display:grid;grid-template-columns:1fr 1fr;gap:var(--gutter);font-size:15.5px;color:var(--muted)}
.partners .reps b{color:var(--ink);font-family:var(--head);font-weight:600}
@media (max-width:899px){.contact-grid{grid-template-columns:1fr}.contact-side .frame{max-width:none;aspect-ratio:3/2}.partners-list{grid-template-columns:1fr}.partner:nth-child(2){background:var(--paper);color:var(--ink);border-color:var(--line)}.partner:nth-child(2) .eyebrow{color:var(--red)}.partner:nth-child(2) p{color:var(--muted)}}
@media (max-width:599px){.cards{grid-template-columns:1fr}.partners .reps{grid-template-columns:1fr}}

/* entreprise : quatre domaines, la relève */
.domains{padding:clamp(56px,7vw,96px) 0 clamp(64px,8vw,120px)}
.domains-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(14px,1.8vw,26px);align-items:start}
.domain{padding:clamp(24px,2.6vw,36px);border:1px solid var(--line);display:grid;gap:10px;align-content:start;min-height:220px}
.domain.lead{grid-column:span 5;background:var(--slate);color:var(--paper);border-color:transparent;min-height:300px}
.domain.lead .eyebrow{color:var(--red-soft)}
.domain.lead p:not(.eyebrow){color:var(--paper-dim)}
.domain.alt{grid-column:span 4;background:var(--paper-deep);border-color:transparent}
.domain.sm{grid-column:span 3}
.domain.wide{grid-column:span 7;display:grid;grid-template-columns:auto 1fr;gap:20px 28px;align-items:center;align-content:center;background:#fff}
.domain .eyebrow{margin-bottom:4px;color:var(--blue-text)}
.domain h3{font-size:clamp(22px,2vw,28px);letter-spacing:-.02em;line-height:1.1}
.domain p:not(.eyebrow){color:var(--muted);font-size:15.5px;max-width:34ch}
.domain a{color:inherit;font-weight:600;text-decoration:none;border-bottom:1px solid var(--red)}
.domain-year{font:600 clamp(48px,5vw,72px)/1 var(--head);letter-spacing:-.04em;color:var(--red)}
.domain-fig{grid-column:span 5}
.domain-fig .frame{max-width:560px}
.domain-fig figcaption{margin-top:10px;font-size:14px;color:var(--muted)}
@media (max-width:899px){.domain.lead,.domain.alt,.domain.sm,.domain.wide,.domain-fig{grid-column:1/-1}.domain.wide{grid-template-columns:1fr}}

/* appel final des pages intérieures : deux colonnes, sans fond photo */
.cta-int{padding:clamp(88px,11vw,150px) 0}
.dark+.cta-int{border-top:1px solid rgba(243,241,236,.38);padding-top:clamp(64px,8vw,104px)}
.dark.avant-cta{padding-bottom:clamp(56px,7vw,88px)}
.cta-int .display{font-size:clamp(38px,5.6vw,84px)}
.cta-int .cta-inner{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px var(--gutter);align-items:start;max-width:none}
.cta-direct{display:grid;gap:18px;align-content:start;padding:8px 0 0 clamp(20px,2.5vw,36px);border-left:1px solid var(--line-dark);margin-top:6px}
.cta-direct dt{font:600 12px/1.5 var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--red-soft);margin-bottom:4px}
.cta-direct dd{margin:0;color:var(--paper-dim);font-size:16px}
.cta-direct dd a{color:var(--paper);text-decoration:none;font-weight:600;border-bottom:1px solid var(--red-soft)}
.cta-direct dd a:hover,.cta-direct dd a:focus-visible{border-bottom-color:var(--paper)}
@media (max-width:899px){.cta-int .cta-inner{grid-template-columns:1fr}.cta-direct{border-left:0;padding-left:0;border-top:1px solid var(--line-dark);padding-top:22px}}

/* états de départ du motion : seulement quand le JS est là ET que le mouvement est permis */
.js:not(.no-anim) [data-reveal]{opacity:0;transform:translateY(24px)}
.js:not(.no-anim) [data-intro]{opacity:0;transform:translateY(18px)}
.js:not(.no-anim) [data-nav]{opacity:0}
.js:not(.no-anim) .mask>span{transform:translateY(110%)}
.js.no-anim [data-reveal],.js.no-anim [data-intro],.js.no-anim [data-nav],.js.no-anim .mask>span{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .scroll-cue i::after{animation:none;transform:none}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}