:root{--x-bg:#0e1229;--x-panel:#161b38;--x-yellow:#fcc419;--x-text:#f6f4ef;--x-muted:#b9bdd0;--x-line:rgba(255,255,255,.14)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--x-bg);color:var(--x-text);font-family:Inter,system-ui,sans-serif;line-height:1.55}
a{color:inherit}
h1,h2,h3,.x-title,.x-brand b,.x-stats b,.x-footer b{font-family:Oswald,Impact,sans-serif;text-transform:uppercase;letter-spacing:.01em}
.x-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.x-header{position:absolute;top:0;left:0;right:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:1240px;margin:auto;padding:22px 25px}
.x-brand{display:flex;flex-direction:column;line-height:1;text-decoration:none}
.x-brand b{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;letter-spacing:.04em}
.x-brand small{margin-top:4px;color:var(--x-yellow);font-size:.78rem;font-weight:600;letter-spacing:.42em}
#x-nav{display:flex;align-items:center;gap:30px}
#x-nav a{font-size:.88rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;opacity:.9}
#x-nav a:hover{color:var(--x-yellow);opacity:1}
#x-nav .x-navbtn{padding:9px 14px;background:var(--x-yellow);color:#14110a;font-weight:700;opacity:1}
#x-nav .x-navbtn:hover{color:#14110a;filter:brightness(1.08)}
#x-nav .x-lang{padding:5px 9px;border:1px solid var(--x-line);font-weight:700}
#x-menu{display:none;background:none;border:1px solid var(--x-line);color:var(--x-text);font-size:1.4rem;padding:4px 12px;cursor:pointer}

.x-hero{position:relative;min-height:max(100vh,680px);display:flex;align-items:center;overflow:hidden;isolation:isolate}
.x-scene{position:absolute;inset:0;width:100%;height:100%;z-index:-2}
.x-hero-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(14,18,41,.92) 0%,rgba(14,18,41,.7) 42%,rgba(14,18,41,.1) 75%),linear-gradient(0deg,var(--x-bg) 0%,rgba(14,18,41,0) 38%)}
.x-hero-inner{width:100%;max-width:1240px;margin:auto;padding:130px 25px 90px}
.x-eyebrow{display:inline-block;margin:0;line-height:1.5;font-family:Inter,system-ui,sans-serif;text-transform:uppercase;padding:6px 12px;background:var(--x-yellow);color:#14110a;font-size:.78rem;font-weight:700;letter-spacing:.14em}
.x-hero .x-title{margin:22px 0 18px;font-size:clamp(3rem,8vw,6rem);line-height:.98;font-weight:700}
.x-hero .x-title span,.x-page h1 span,.x-section h2 span,.x-footer b span{color:var(--x-yellow)}
.x-intro{max-width:620px;margin:0;color:#e5e3ea;font-size:clamp(1.05rem,1.6vw,1.22rem)}
.x-actions{display:flex;flex-wrap:wrap;gap:16px;margin:38px 0 52px}
.x-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 30px;border:2px solid currentColor;background:none;color:var(--x-text);font:700 .98rem Inter,sans-serif;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;cursor:pointer}
.x-btn:hover{color:var(--x-yellow)}
.x-btn.x-primary{border-color:var(--x-yellow);background:var(--x-yellow);color:#14110a;box-shadow:0 14px 40px rgba(252,196,25,.28)}
.x-btn.x-primary:hover{filter:brightness(1.08);color:#14110a}
.x-btn.x-game{border-style:dashed;border-color:var(--x-yellow);color:var(--x-yellow)}
.x-btn.x-game:hover{background:rgba(252,196,25,.1)}
.x-stats{display:flex;flex-wrap:wrap;gap:34px;max-width:560px;padding-top:30px;border-top:1px solid var(--x-line)}
.x-stats b{display:block;color:var(--x-yellow);font-size:2.4rem;line-height:1.1;font-weight:600}
.x-stats small{color:var(--x-muted);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}

/* La pelle mécanique creuse en continu. */
.x-scene *{transform-box:view-box}
.x-machine{animation:x-creep 14s ease-in-out infinite}
.x-tread{animation:x-tread 1.4s linear infinite}
.x-wheel{transform-origin:915px 574px;animation:x-spin 2.5s linear infinite}
.x-boom{transform-origin:915px 458px;animation:x-boom 7s ease-in-out infinite}
.x-stick{transform-origin:642px 244px;animation:x-stick 7s ease-in-out infinite}
.x-bucket{transform-origin:576px 466px;animation:x-bucket 7s ease-in-out infinite}
.x-dirt circle{animation:x-dirt 7s ease-in infinite}
.x-dirt circle:nth-child(2){animation-delay:.12s}
.x-dirt circle:nth-child(3){animation-delay:.24s}
.x-dirt circle:nth-child(4){animation-delay:.36s}
.x-dust circle{opacity:0;animation:x-dust 7s ease-out infinite}
.x-dust circle:nth-child(2){animation-delay:.3s}
.x-dust circle:nth-child(3){animation-delay:.6s}
.x-sun{transform-origin:760px 470px;animation:x-glow 6s ease-in-out infinite}
.x-clouds{animation:x-clouds 60s linear infinite}
@keyframes x-creep{0%,100%{transform:translateX(0)}50%{transform:translateX(-26px)}}
@keyframes x-tread{to{stroke-dashoffset:-48}}
@keyframes x-spin{to{transform:rotate(-360deg)}}
@keyframes x-boom{0%,100%{transform:rotate(0)}30%{transform:rotate(-9deg)}55%,75%{transform:rotate(7deg)}}
@keyframes x-stick{0%,100%{transform:rotate(8deg)}30%{transform:rotate(12deg)}55%{transform:rotate(-12deg)}75%{transform:rotate(-4deg)}}
@keyframes x-bucket{0%,100%{transform:rotate(14deg)}30%{transform:rotate(8deg)}50%,62%{transform:rotate(-32deg)}74%{transform:rotate(38deg)}86%{transform:rotate(22deg)}}
@keyframes x-dirt{0%,70%{opacity:0;transform:translate(0,-90px)}74%{opacity:1;transform:translate(0,-80px)}90%{opacity:1;transform:translate(-14px,70px)}94%,100%{opacity:0;transform:translate(-16px,78px)}}
@keyframes x-dust{0%,28%{opacity:0;transform:translate(0,0) scale(.6)}36%{opacity:.35}60%,100%{opacity:0;transform:translate(-40px,-60px) scale(2.4)}}
@keyframes x-glow{0%,100%{transform:scale(1);opacity:.9}50%{transform:scale(1.08);opacity:1}}
@keyframes x-clouds{to{transform:translateX(-400px)}}

.x-section{max-width:1240px;margin:auto;padding:90px 25px}
.x-label{display:block;margin-bottom:10px;color:var(--x-yellow);font-size:.8rem;font-weight:700;letter-spacing:.2em}
.x-section h2{margin:0 0 22px;font-size:clamp(2.1rem,4.5vw,3.4rem);line-height:1.05;font-weight:700}
.x-section p{max-width:720px;color:var(--x-muted);font-size:1.05rem}
/* Fine séparation jaune entre les sections, comme sur le site de déneigement. */
.x-divider{height:1px;width:calc(100% - 50px);max-width:1190px;margin:0 auto;background:linear-gradient(90deg,var(--x-line),var(--x-yellow),var(--x-line));pointer-events:none}
@media(max-width:700px){.x-divider{width:calc(100% - 36px)}}
.x-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:42px}
/* Petit travailleur au marteau-piqueur au-dessus des services; script dans excavation.js. */
.x-crew{position:relative;height:118px;margin-top:30px;overflow:hidden;pointer-events:none;background:linear-gradient(0deg,#3a2e22 0 6px,#5a4530 6px 8px,transparent 8px)}
.x-crew + .x-cards{margin-top:0}
.x-worker{position:absolute;left:0;bottom:4px;will-change:transform}
.x-worker *{transform-box:view-box}
.x-leg{transform-origin:37.5px 71px}
.x-hold{transform:translateY(-5px);transition:transform .25s ease}
.x-puff>*{opacity:0;transform-origin:72.5px 104px}
.is-walking .x-leg-a{animation:x-step .5s ease-in-out infinite alternate}
.is-walking .x-leg-b{animation:x-step .5s ease-in-out infinite alternate-reverse}
.is-walking .x-upper{animation:x-bob .25s ease-in-out infinite alternate}
.is-drilling .x-hold{transform:translateY(0);animation:x-jack .07s linear infinite alternate}
.is-drilling .x-upper{animation:x-shake .09s linear infinite alternate}
.is-drilling .x-puff>*{animation:x-puff .9s ease-out infinite}
.is-drilling .x-puff>:nth-child(1){--dx:-14px;--dy:-10px}
.is-drilling .x-puff>:nth-child(2){--dx:12px;--dy:-8px;animation-delay:.22s}
.is-drilling .x-puff>:nth-child(3){--dx:-6px;--dy:-14px;animation-delay:.45s}
.is-drilling .x-puff>:nth-child(4){--dx:16px;--dy:-12px;animation-delay:.67s}
.is-drilling .x-puff>:nth-child(5){--dx:-10px;--dy:-18px;animation:x-chip .6s ease-out infinite}
.is-drilling .x-puff>:nth-child(6){--dx:11px;--dy:-16px;animation:x-chip .6s ease-out .3s infinite}
@keyframes x-step{from{transform:rotate(-20deg)}to{transform:rotate(20deg)}}
@keyframes x-bob{from{transform:translateY(0)}to{transform:translateY(-1.5px)}}
@keyframes x-jack{from{transform:translateY(-.4px)}to{transform:translateY(1.6px)}}
@keyframes x-shake{from{transform:translate(-.4px,0)}to{transform:translate(.4px,.6px)}}
@keyframes x-puff{0%{opacity:.75;transform:translate(0,0) scale(.5)}100%{opacity:0;transform:translate(var(--dx),var(--dy)) scale(2.2)}}
@keyframes x-chip{0%{opacity:1;transform:translate(0,0)}60%{opacity:1;transform:translate(calc(var(--dx)*.7),var(--dy))}100%{opacity:0;transform:translate(var(--dx),2px)}}
.x-cards article{padding:0 0 30px;overflow:hidden;background:var(--x-panel);border-top:3px solid var(--x-yellow)}
.x-card-photo{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.x-cards h3,.x-cards p{padding:0 26px}
.x-cards h3{margin:22px 0 8px;font-size:1.35rem;font-weight:600}
.x-cards p{margin:0;font-size:.96rem}
.x-reviews{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:42px}
.x-reviews figure{display:flex;flex-direction:column;margin:0;padding:26px 24px;background:var(--x-panel);border:1px solid var(--x-line)}
.x-stars{color:var(--x-yellow);font-size:1.15rem;letter-spacing:.12em}
.x-reviews blockquote{flex:1;margin:14px 0 20px}
.x-reviews blockquote p{margin:0;color:var(--x-text);font-size:.98rem}
.x-reviews figcaption b{display:block;font-size:.95rem}
.x-reviews figcaption small{color:var(--x-muted);font-size:.8rem}
.x-more summary,.x-faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;cursor:pointer;list-style:none}
.x-more summary::-webkit-details-marker,.x-faq-item summary::-webkit-details-marker{display:none}
.x-more summary{width:max-content;max-width:100%;margin-top:30px;padding:14px 22px;border:2px solid var(--x-yellow);color:var(--x-yellow);font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.x-more summary:hover{background:rgba(252,196,25,.1)}
.x-more[open] .x-show,.x-more:not([open]) .x-hide{display:none}
.x-plus{position:relative;flex:none;width:16px;height:16px}
.x-plus::before,.x-plus::after{content:"";position:absolute;top:7px;left:0;width:16px;height:2px;background:var(--x-yellow);transition:transform .25s}
.x-plus::after{transform:rotate(90deg)}
details[open]>summary .x-plus::after{transform:rotate(0)}
.x-more .x-reviews{margin-top:26px}
.x-faq{display:grid;gap:12px;max-width:900px;margin-top:42px}
.x-faq-item{background:var(--x-panel);border:1px solid var(--x-line);border-left:3px solid var(--x-yellow)}
.x-faq-item summary{padding:20px 24px;font-weight:600;font-size:1.05rem}
.x-faq-item summary:hover{color:var(--x-yellow)}
.x-section .x-faq-item p{margin:0;padding:0 24px 22px;max-width:none}
.x-section p a{color:var(--x-text)}
.x-more summary:focus-visible,.x-faq-item summary:focus-visible{outline:3px solid var(--x-yellow);outline-offset:3px}
.x-band{background:linear-gradient(120deg,#171c3c,#0e1229)}
.x-about{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.x-about-photo{display:block;width:100%;max-width:460px;height:auto;justify-self:end;border-top:3px solid var(--x-yellow)}

.x-quote{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:start}
.x-quote .x-btn{margin-top:14px}
#x-form{display:grid;gap:16px;padding:34px;background:var(--x-panel);border:1px solid var(--x-line)}
#x-form label{display:grid;gap:7px;font-size:.85rem;font-weight:600;letter-spacing:.04em}
#x-form input,#x-form select,#x-form textarea{width:100%;padding:13px 14px;border:1px solid var(--x-line);background:#0b0f24;color:var(--x-text);font:inherit;font-weight:400}
#x-form input:focus,#x-form select:focus,#x-form textarea:focus{outline:2px solid var(--x-yellow);outline-offset:1px}
#x-form small{color:var(--x-muted)}
.x-btn:focus-visible,#x-nav a:focus-visible,.x-brand:focus-visible{outline:3px solid var(--x-yellow);outline-offset:3px}

/* Liens vers les pages de services, sous les cartes de l'accueil et au bas des pages de services. */
.x-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding:0;list-style:none}
.x-links a{display:inline-block;padding:10px 16px;border:1px solid var(--x-line);font-size:.9rem;font-weight:600;text-decoration:none}
.x-links a:hover,.x-links a[aria-current]{border-color:var(--x-yellow);color:var(--x-yellow)}
.x-cards .x-more-link{display:inline-block;margin:14px 26px 0;color:var(--x-yellow);font-weight:700;font-size:.9rem;text-decoration:none}
.x-cards .x-more-link:hover{text-decoration:underline}
.x-footer nav{margin:18px auto 6px;max-width:900px}
.x-footer nav a{display:inline-block;margin:4px 10px;font-size:.92rem}

/* Pages de services (services/*.html). */
.x-page{position:relative;padding-top:110px;background:linear-gradient(180deg,#2a2547 0,#171c3c 420px,var(--x-bg) 760px)}
.x-page>.x-section:first-child{padding-top:40px}
.x-crumbs ol{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px;padding:0;list-style:none;color:var(--x-muted);font-size:.85rem}
.x-crumbs li+li::before{content:"/";margin-right:8px;opacity:.6}
.x-crumbs a{color:var(--x-text)}
.x-page h1{margin:0 0 20px;font-size:clamp(2.3rem,6vw,4.4rem);line-height:1.02;font-weight:700}
.x-page .x-actions{margin:30px 0 0}
.x-split{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
.x-split img{display:block;width:100%;height:auto;border-top:3px solid var(--x-yellow)}
.x-page .x-section h3{margin:30px 0 10px;font-size:1.3rem;font-weight:600}
.x-list{max-width:720px;margin:0;padding-left:1.2em;color:var(--x-muted);font-size:1.05rem}
.x-list li{margin:8px 0}
.x-list li::marker{color:var(--x-yellow)}
.x-list b{color:var(--x-text)}
.x-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin:36px 0 0;padding:0;list-style:none;counter-reset:x-step}
.x-steps li{padding:26px 24px;background:var(--x-panel);border-top:3px solid var(--x-yellow);color:var(--x-muted);counter-increment:x-step}
.x-steps li::before{content:"0" counter(x-step);display:block;margin-bottom:8px;color:var(--x-yellow);font:700 1.6rem Oswald,Impact,sans-serif}
.x-steps b{display:block;margin-bottom:6px;color:var(--x-text);font-size:1.05rem}
.x-note{max-width:720px;margin-top:26px;padding:16px 20px;border-left:3px solid var(--x-yellow);background:var(--x-panel)}
.x-section .x-note p{margin:0}

.x-footer{padding:60px 25px;border-top:1px solid var(--x-line);text-align:center;color:var(--x-muted)}
.x-footer b{display:block;color:var(--x-text);font-size:1.6rem;letter-spacing:.05em}
.x-footer p{margin:8px 0}
.x-footer a{color:var(--x-text)}
.x-footer a:hover{color:var(--x-yellow)}

@media(max-width:1000px){.x-cards,.x-reviews{grid-template-columns:repeat(2,1fr)}.x-quote{grid-template-columns:1fr;gap:34px}}
@media(max-width:820px){.x-about,.x-split{grid-template-columns:1fr;gap:34px}.x-about-photo{justify-self:start}.x-split img{max-width:560px}}
@media(max-width:820px){
  #x-menu{display:block}
  #x-nav{display:none;position:absolute;top:78px;left:18px;right:18px;flex-direction:column;align-items:stretch;gap:0;padding:10px;background:var(--x-panel);border:1px solid var(--x-line)}
  #x-nav.open{display:flex}
  #x-nav a{padding:12px}
  #x-nav .x-navbtn{text-align:center;margin-top:6px}
  #x-nav .x-lang{padding:12px;border:0}
}
@media(max-width:700px){
  .x-header{padding:18px}
  .x-scene{left:auto;right:-90px;width:auto;height:62%;top:auto;bottom:0;aspect-ratio:1200/700}
  .x-hero-shade{background:linear-gradient(180deg,rgba(14,18,41,.95) 0%,rgba(14,18,41,.8) 55%,rgba(14,18,41,.35) 80%,var(--x-bg) 100%)}
  .x-hero-inner{padding:120px 18px 70px}
  .x-actions{flex-direction:column}
  .x-btn{width:100%}
  .x-stats{gap:24px}
  .x-section{padding:64px 18px}
  .x-page{padding-top:90px}
  .x-cards,.x-reviews{grid-template-columns:1fr}
  #x-form{padding:22px}
}