:root{
  --ink:#0e1c21;--ink2:#16282c;--ink3:#22383b;
  --snow:#f4f3ee;--paper:#fbfaf6;
  --wood:#8f5329;--wood2:#c98a4f;
  --volt:#c8f25a;--volt-d:#a9d43a;
  --text:#172426;--muted:#5d6967;--line:rgba(14,28,33,.12);
  --r:22px;
  --serif:"Fraunces",Georgia,serif;
  --sans:"Manrope",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--sans);font-size:17px;line-height:1.6;color:var(--text);background:var(--snow);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
svg{flex-shrink:0}
.wrap{width:min(1200px,100% - 40px);margin:0 auto}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:-.02em}
h2{font-size:clamp(32px,4.2vw,54px)}
h2 em,h1 em{font-style:italic;font-weight:400}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--wood);margin-bottom:16px}
.eb-volt{color:var(--volt)}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:600 16px/1 var(--sans);padding:17px 26px;border-radius:999px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s}
.btn svg{width:19px;height:19px}
.btn:hover{transform:translateY(-2px)}
.btn-volt{background:var(--volt);color:var(--ink);box-shadow:0 8px 30px -10px rgba(200,242,90,.7)}
.btn-volt:hover{background:#d6f77a}
.btn-line{border-color:rgba(255,255,255,.35);color:#fff;backdrop-filter:blur(6px)}
.btn-line:hover{border-color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink3)}
.btn-full{width:100%}

/* En-tête */
.hdr{position:fixed;inset:0 0 auto;z-index:50;color:#fff;transition:background .3s,box-shadow .3s}
.hdr.solid{background:rgba(14,28,33,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.hdr-in{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-family:var(--serif);font-size:21px;letter-spacing:-.01em}
.brand svg{width:34px;height:34px;color:#fff}
.brand b{font-weight:600}
.menu{display:flex;gap:26px;margin-left:auto;font-size:15px;font-weight:500}
.menu a{text-decoration:none;opacity:.82;transition:opacity .2s}
.menu a:hover{opacity:1}
.hdr-tel{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:700;font-size:15px;background:var(--volt);color:var(--ink);padding:11px 18px;border-radius:999px}
.hdr-tel svg{width:17px;height:17px}

/* Hero */
.hero{position:relative;background:var(--ink);color:#fff;padding:150px 0 190px;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 40%;transform:scale(1.06);animation:drift 30s ease-in-out infinite alternate}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,28,33,.94) 0%,rgba(14,28,33,.78) 40%,rgba(14,28,33,.35) 72%,rgba(14,28,33,.5) 100%),linear-gradient(0deg,rgba(14,28,33,.85),transparent 40%)}
@keyframes drift{to{transform:scale(1.12) translateX(-1.5%)}}
.snow{position:absolute;inset:0;z-index:-1;pointer-events:none}
.snow i{position:absolute;top:-10px;border-radius:50%;background:#fff;animation:fall linear infinite}
@keyframes fall{to{transform:translate3d(var(--dx),110vh,0)}}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.alt-tag{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600;letter-spacing:.04em;padding:8px 15px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.06);margin-bottom:26px}
.led{width:8px;height:8px;border-radius:50%;background:var(--volt);box-shadow:0 0 0 0 rgba(200,242,90,.6);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(200,242,90,0)}100%{box-shadow:0 0 0 0 rgba(200,242,90,0)}}
.hero h1{font-size:clamp(46px,6.4vw,88px);line-height:.98;margin-bottom:26px}
.hero h1 em{color:var(--volt)}
.kicker{display:block;font-family:var(--sans);font-size:15px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--wood2);margin-bottom:18px}
.lead{font-size:19px;line-height:1.6;color:rgba(255,255,255,.8);max-width:560px;margin-bottom:34px}
.ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:46px}
.hero-facts{list-style:none;display:flex;gap:0;max-width:560px;border-top:1px solid rgba(255,255,255,.16);padding-top:22px}
.hero-facts li{flex:1;padding-right:18px}
.hero-facts li+li{padding-left:18px;border-left:1px solid rgba(255,255,255,.16)}
.hero-facts b{display:block;font-family:var(--serif);font-size:24px;font-weight:500}
.hero-facts span{font-size:13.5px;color:rgba(255,255,255,.6)}
.ridges{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:150px;z-index:0}

/* Formulaire */
.card-form{background:var(--paper);color:var(--text);border-radius:26px;padding:34px;box-shadow:0 40px 80px -30px rgba(0,0,0,.55);position:relative;z-index:1}
.card-form::before{content:"";position:absolute;inset:0 0 auto;height:6px;border-radius:26px 26px 0 0;background:repeating-linear-gradient(90deg,var(--wood) 0 22px,var(--wood2) 22px 26px)}
.cf-head h2{font-size:30px;margin-bottom:8px}
.cf-head p{font-size:15px;color:var(--muted);margin-bottom:22px}
form{display:grid;gap:14px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:grid;gap:6px;font-size:13.5px;font-weight:600;color:#33403f}
input,textarea{font:inherit;font-size:16px;font-weight:400;padding:13px 15px;border:1.5px solid #dcdcd2;border-radius:13px;background:#fff;color:var(--text);transition:border-color .2s,box-shadow .2s;width:100%}
input:focus,textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 4px rgba(200,242,90,.45)}
textarea{resize:vertical}
.form-note{font-size:15px;font-weight:600;color:#2f6b1c;background:#eef9d8;padding:12px 14px;border-radius:12px}
.rgpd{font-size:12.5px;color:var(--muted)}

/* Bandeau villages */
.villages{background:var(--snow);padding:6px 0 26px;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.v-track{display:flex;align-items:center;gap:28px;width:max-content;animation:marquee 40s linear infinite}
.v-track span{font-family:var(--serif);font-size:clamp(24px,3vw,38px);font-style:italic;color:var(--ink);white-space:nowrap}
.v-track i{width:9px;height:9px;background:var(--wood2);transform:rotate(45deg)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* Sections */
.sec{padding:110px 0;position:relative}
.sec-snow{background:var(--paper)}
.sec-dark{background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.topo{position:absolute;inset:0;z-index:-1;opacity:.14;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='600' viewBox='0 0 600 600'%3E%3Cg fill='none' stroke='%23c8f25a' stroke-width='1'%3E%3Cpath d='M300 120c90 0 170 60 170 160s-90 190-190 190-160-80-160-170 90-180 180-180z'/%3E%3Cpath d='M300 160c70 0 130 50 130 125s-70 145-150 145-120-60-120-130 70-140 140-140z'/%3E%3Cpath d='M300 200c50 0 90 35 90 90s-50 100-105 100-85-45-85-95 50-95 100-95z'/%3E%3Cpath d='M300 240c30 0 52 22 52 52s-30 58-62 58-48-26-48-54 28-56 58-56z'/%3E%3Cpath d='M300 70c120 0 220 80 220 210s-120 240-250 240S50 420 50 300 170 70 300 70z'/%3E%3Cpath d='M300 20c150 0 270 100 270 260S420 580 260 580 0 470 0 320 150 20 300 20z'/%3E%3C/g%3E%3C/svg%3E");background-size:600px}

/* Borne */
.borne-intro{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center;margin-bottom:80px}
.bi-photo{position:relative}
.bi-photo img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:200px 200px var(--r) var(--r)}
.bi-badge{position:absolute;right:-24px;bottom:40px;background:var(--ink);color:#fff;border-radius:18px;padding:18px 22px;max-width:230px;box-shadow:0 20px 40px -15px rgba(0,0,0,.4)}
.bi-badge b{display:block;font-family:var(--serif);font-size:34px;font-weight:500;color:var(--volt);line-height:1}
.bi-badge span{font-size:13.5px;color:rgba(255,255,255,.75)}
.bi-txt h2{margin-bottom:22px}
.bi-txt h2 em{color:var(--wood)}
.bi-txt>p{color:var(--muted);font-size:18px;margin-bottom:30px}
.kw{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:34px}
.kw div{border:1.5px solid var(--line);border-radius:16px;padding:16px;background:var(--paper)}
.kw b{display:block;font-family:var(--serif);font-size:26px;font-weight:500}
.kw span{font-size:13.5px;color:var(--muted);line-height:1.4;display:block}
.kw div:nth-child(2){background:var(--ink);color:#fff;border-color:var(--ink)}
.kw div:nth-child(2) b{color:var(--volt)}
.kw div:nth-child(2) span{color:rgba(255,255,255,.7)}

.uses{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:90px}
.use{background:var(--paper);border:1.5px solid var(--line);border-radius:var(--r);padding:28px 24px;position:relative;transition:transform .25s,box-shadow .25s}
.use:hover{transform:translateY(-4px);box-shadow:0 20px 40px -24px rgba(14,28,33,.35)}
.use svg{width:34px;height:34px;color:var(--wood);margin-bottom:20px}
.use h3{font-size:22px;margin-bottom:10px}
.use p{font-size:15px;color:var(--muted)}
.use-hl{background:linear-gradient(160deg,#5b3519,var(--wood));color:#fff;border-color:transparent}
.use-hl svg{color:var(--volt)}
.use-hl p{color:rgba(255,255,255,.82)}
.tag{position:absolute;top:22px;right:20px;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:var(--volt);color:var(--ink);padding:5px 10px;border-radius:999px}

.pistes{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
.pistes-head h3{font-size:clamp(30px,3.4vw,44px)}
.piste-list{list-style:none;position:relative;display:grid;gap:8px}
.piste-list::before{content:"";position:absolute;left:21px;top:20px;bottom:20px;border-left:2px dashed #b9bdb3}
.piste-list li{display:flex;gap:22px;align-items:flex-start;padding:16px 0;position:relative}
.pm{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;position:relative;z-index:1;box-shadow:0 0 0 6px var(--snow)}
.pm::after{content:"";width:16px;height:16px;background:#fff}
.p-green .pm{background:#2f9e44}.p-green .pm::after{border-radius:50%}
.p-blue .pm{background:#1c6dd0}.p-blue .pm::after{clip-path:none}
.p-red .pm{background:#d6332f}.p-red .pm::after{clip-path:polygon(50% 0,100% 100%,0 100%)}
.p-black .pm{background:#151a1c}.p-black .pm::after{transform:rotate(45deg)}
.piste-list h4{font-family:var(--serif);font-size:23px;font-weight:500;margin-bottom:4px}
.piste-list p{color:var(--muted);font-size:15.5px}

/* Spécial altitude */
.alt-head{max-width:760px;margin-bottom:54px}
.alt-head h2{margin-bottom:20px}
.alt-head h2 em{color:var(--volt)}
.alt-head p{font-size:18px;color:rgba(255,255,255,.72)}
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(230px,auto);gap:18px}
.b{background:var(--ink2);border:1px solid rgba(255,255,255,.08);border-radius:var(--r);padding:28px;position:relative;overflow:hidden}
.b h3{font-size:23px;margin-bottom:10px}
.b p{font-size:15px;color:rgba(255,255,255,.7)}
.b-ico{width:34px;height:34px;color:var(--volt);margin-bottom:26px}
.b-volt{background:var(--volt);color:var(--ink);border-color:transparent}
.b-volt .b-ico{color:var(--ink)}
.b-volt p{color:rgba(14,28,33,.75)}
.b-tall{grid-row:span 2}
.b-wide{grid-column:span 2}
.b-photo{padding:0;display:flex;align-items:flex-end;min-height:260px}
.b-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s}
.b-photo:hover img{transform:scale(1.05)}
.b-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(14,28,33,.95) 0%,rgba(14,28,33,.35) 55%,transparent 80%)}
.b-cap{position:relative;z-index:1;padding:28px}
.b-cap svg{width:28px;height:28px;color:var(--volt);margin-bottom:12px}

/* Services */
.services{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.sv-side{position:sticky;top:110px}
.sv-side h2{margin-bottom:20px}
.sv-side p{color:var(--muted);font-size:18px;margin-bottom:30px}
.sv-list{list-style:none;border-top:1.5px solid var(--ink)}
.sv-list li{display:flex;gap:24px;align-items:baseline;padding:22px 4px;border-bottom:1px solid var(--line);transition:padding .25s,background .25s}
.sv-list li:hover{padding-left:16px;background:linear-gradient(90deg,rgba(200,242,90,.25),transparent)}
.sv-list .n{font-family:var(--serif);font-style:italic;color:var(--wood);font-size:18px;min-width:30px}
.sv-list h3{font-size:23px;margin-bottom:4px}
.sv-list p{color:var(--muted);font-size:15.5px}

/* Chantiers */
.ch-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:46px}
.ch-head h2 em{color:var(--wood)}
.ch-head p{max-width:360px;color:var(--muted)}
.masonry{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:400px;gap:18px}
.masonry figure{position:relative;border-radius:18px;overflow:hidden;background:#ddd}
.masonry figure:first-child{grid-column:span 2}
.masonry img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.masonry figure:hover img{transform:scale(1.04)}
.masonry figcaption{position:absolute;left:12px;bottom:12px;font-size:13px;font-weight:700;background:rgba(251,250,246,.94);color:var(--ink);padding:7px 12px;border-radius:999px}

/* À propos */
.about{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.ab-photo{position:relative}
.ab-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r)}
.ab-photo::before{content:"";position:absolute;inset:-14px 14px 14px -14px;border:2px solid var(--wood2);border-radius:var(--r);z-index:-1}
.ab-txt h2{margin-bottom:22px}
.ab-txt h2 em{color:var(--wood)}
.ab-txt>p{color:var(--muted);font-size:18px;margin-bottom:24px}
.ab-list{list-style:none;display:grid;gap:12px}
.ab-list li{display:flex;gap:12px;align-items:flex-start;font-weight:500}
.ab-list svg{width:22px;height:22px;color:#fff;background:var(--ink);border-radius:50%;padding:4px;margin-top:2px}

/* FAQ */
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
.faq-side h2{margin-bottom:18px}
.faq-side p{color:var(--muted)}
.faq-side a{font-weight:700}
.faq-list details{border-bottom:1px solid var(--line);padding:22px 0}
.faq-list details:first-child{border-top:1.5px solid var(--ink)}
.faq-list summary{cursor:pointer;list-style:none;font-family:var(--serif);font-size:21px;font-weight:500;display:flex;justify-content:space-between;gap:20px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-family:var(--sans);font-size:26px;line-height:1;color:var(--wood);transition:transform .25s}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list details p{margin-top:12px;color:var(--muted)}

/* Contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.ct-main h2{margin-bottom:30px}
.ct-main h2 em{color:var(--volt)}
.ct-tel{display:inline-flex;align-items:center;gap:14px;font-family:var(--serif);font-size:clamp(34px,4vw,50px);text-decoration:none;margin-bottom:30px}
.ct-tel svg{width:40px;height:40px;color:var(--ink);background:var(--volt);border-radius:50%;padding:9px}
.ct-lines{display:grid;gap:16px;color:rgba(255,255,255,.78)}
.ct-lines div{display:flex;gap:14px;align-items:flex-start}
.ct-lines svg{width:22px;height:22px;color:var(--wood2);margin-top:2px}

/* Pied */
.ftr{background:#0a1518;color:rgba(255,255,255,.6);font-size:14px;padding:28px 0}
.ftr-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.ftr nav{display:flex;gap:22px}
.ftr a{text-decoration:none}
.ftr a:hover{color:#fff}

.fab{display:none}

/* Pages légales */
.legal-page{background:var(--paper)}
.legal-page .hdr{background:var(--ink)}
.legal{max-width:780px;padding:140px 0 90px}
.legal h1{font-size:clamp(36px,4vw,54px);margin-bottom:30px}
.legal h2{font-size:24px;margin:34px 0 10px}
.legal p{color:#45514f}
.legal-todo{background:#eaf7c9;border-radius:6px;padding:1px 6px;font-size:.92em}

/* Apparition */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}

@media (max-width:1080px){
  .menu{display:none}
  .hero-grid,.borne-intro,.pistes,.services,.about,.faq,.contact{grid-template-columns:1fr;gap:46px}
  .uses{grid-template-columns:1fr 1fr}
  .bento{grid-template-columns:1fr 1fr}
  .sv-side{position:static}
  .bi-badge{right:16px}
  .bi-photo{max-width:520px}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{width:calc(100% - 32px)}
  .hdr-in{height:66px}
  .hdr-tel{display:none}
  .brand{font-size:19px}
  .hero{padding:110px 0 150px}
  .lead{font-size:17px}
  .hero-facts{flex-direction:column;gap:14px}
  .hero-facts li,.hero-facts li+li{padding:0;border:0}
  .card-form{padding:26px 20px}
  .f2{grid-template-columns:1fr}
  .sec{padding:80px 0}
  .kw{grid-template-columns:1fr}
  .uses,.bento{grid-template-columns:1fr}
  .b-wide{grid-column:auto}
  .masonry{grid-template-columns:1fr 1fr;grid-auto-rows:240px;gap:12px}
  .masonry figure:last-child{grid-column:span 2}
  .b-tall{grid-row:auto;min-height:420px}
  .ch-head{flex-direction:column;align-items:flex-start;gap:16px}
  .ab-photo::before{display:none}
  .fab{display:grid;place-items:center;position:fixed;right:16px;bottom:16px;width:58px;height:58px;border-radius:50%;background:var(--volt);color:var(--ink);box-shadow:0 12px 30px -8px rgba(0,0,0,.45);z-index:60}
  .fab svg{width:24px;height:24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
  html{scroll-behavior:auto}
}