/* Accueil & Présentation – Volt */
.vp{--acc:#00ffb0;--bg:#333334;--bg2:#2b2b2c;--deep:#131D19;--card:#2a2a2b;--line:rgba(255,255,255,.09);--txt:#fffcf3;--mut:rgba(255,252,243,.7);
  --ease:cubic-bezier(.2,.75,.2,1);
  font-family:"DM Sans",system-ui,sans-serif;color:var(--txt);background:var(--bg);overflow-x:clip}
.vp *{box-sizing:border-box}
.vp a{color:inherit;text-decoration:none}
.vp strong{color:var(--txt);font-weight:700}
.vp p{margin:0}
.vp-wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.vp-eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--acc);font-weight:700;letter-spacing:.18em;text-transform:uppercase;font-size:.78rem}
.vp-eyebrow::before{content:"";width:28px;height:2px;background:var(--acc);border-radius:2px}
.vp-h2{font-size:clamp(1.9rem,3.6vw,2.8rem);line-height:1.1;text-transform:uppercase;margin:14px 0 22px;color:var(--txt);font-weight:800;letter-spacing:-.01em}
.vp-lead{color:var(--mut);font-size:1.08rem;line-height:1.8;max-width:760px}
section.vp-sec{padding:110px 0;position:relative}

/* ---------- Hero ---------- */
.vp-hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;margin-top:-90px;padding:0 0 110px}
.vp-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.14);animation:vpZoom 2.6s var(--ease) forwards;will-change:transform}
.vp-hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(19,29,25,.35) 0%,rgba(19,29,25,.15) 40%,rgba(51,51,52,.92) 88%,var(--bg) 100%)}
.vp-hero::after{content:"";position:absolute;inset:auto -20% -40% auto;width:60vw;height:60vw;z-index:1;background:radial-gradient(closest-side,rgba(0,255,176,.18),transparent 70%);filter:blur(10px);animation:vpGlow 9s ease-in-out infinite alternate}
.vp-hero .vp-wrap{position:relative;z-index:2;width:100%}
.vp-hero h1{font-size:clamp(2.8rem,8vw,6.6rem);line-height:.95;text-transform:uppercase;font-weight:800;letter-spacing:-.02em;margin:18px 0 26px;color:var(--txt)}
.vp-hero h1 .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.06em}
.vp-hero h1 .w>span{display:inline-block;transform:translateY(110%);animation:vpUp 1.1s var(--ease) forwards}
.vp-hero h1 .acc{color:var(--acc)}
.vp-hero p{max-width:560px;font-size:1.15rem;line-height:1.7;color:var(--mut);opacity:0;animation:vpFade 1.2s var(--ease) 1s forwards}
.vp-hero .vp-eyebrow{opacity:0;animation:vpFade 1s var(--ease) .2s forwards}
.vp-bar{display:block;height:3px;width:0;background:var(--acc);border-radius:3px;margin-top:30px;animation:vpBar 1.2s var(--ease) 1.2s forwards}
.vp-scroll{position:absolute;left:50%;bottom:28px;z-index:2;width:26px;height:42px;border:2px solid rgba(255,252,243,.45);border-radius:20px;transform:translateX(-50%);opacity:0;animation:vpFade 1s ease 1.8s forwards}
.vp-scroll::after{content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:4px;background:var(--acc);animation:vpWheel 1.8s ease-in-out infinite}

/* Page hero (Présentation) */
.vp-phero{position:relative;min-height:78svh;display:flex;align-items:flex-end;overflow:hidden;margin-top:-90px;padding:0 0 90px}
.vp-phero h1{font-size:clamp(2.6rem,7vw,5.6rem);line-height:.95;text-transform:uppercase;font-weight:800;letter-spacing:-.02em;margin:18px 0 22px;color:var(--txt)}
.vp-phero h1 .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.06em}
.vp-phero h1 .w>span{display:inline-block;transform:translateY(110%);animation:vpUp 1.1s var(--ease) forwards}
.vp-phero p.sub{font-size:clamp(1.05rem,2vw,1.35rem);color:var(--txt);max-width:720px;opacity:0;animation:vpFade 1.2s var(--ease) .8s forwards}
.vp-phero .vp-wrap{position:relative;z-index:2;width:100%}
.vp-phero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(19,29,25,.55),rgba(51,51,52,.85) 75%,var(--bg))}
.vp-phero .vp-eyebrow{opacity:0;animation:vpFade 1s var(--ease) .2s forwards}

/* ---------- Valeurs ---------- */
.vp-values{position:relative;z-index:3;margin-top:-40px}
.vp-values .vp-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.vp-val{position:relative;background:rgba(32,43,41,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:20px;padding:34px 30px;overflow:hidden;transition:transform .5s var(--ease),border-color .4s}
.vp-val::before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(0,255,176,.12),transparent 45%);opacity:0;transition:opacity .4s}
.vp-val:hover{transform:translateY(-8px);border-color:rgba(0,255,176,.35)}
.vp-val:hover::before{opacity:1}
.vp-val .ico{width:58px;height:58px;border-radius:16px;background:rgba(0,255,176,.1);display:grid;place-items:center;margin-bottom:22px;transition:transform .6s var(--ease)}
.vp-val:hover .ico{transform:rotate(-8deg) scale(1.08)}
.vp-val .ico img{width:30px;height:30px}
.vp-val h3{text-transform:uppercase;letter-spacing:.06em;font-size:1.2rem;margin:0 0 12px;color:var(--txt)}
.vp-val p{color:var(--mut);line-height:1.75}

/* ---------- Avenir ---------- */
.vp-avenir{text-align:center}
.vp-avenir .vp-lead{margin:0 auto}
.vp-avenir .vp-h2 span{color:var(--acc)}

/* ---------- Grands mots ---------- */
.vp-word{font-size:clamp(4.5rem,16vw,13rem);font-weight:800;text-transform:uppercase;line-height:.8;letter-spacing:-.03em;white-space:nowrap;color:transparent;-webkit-text-stroke:1.5px rgba(255,252,243,.12);margin:0 0 -.12em;padding-left:2vw;user-select:none;will-change:transform;pointer-events:none}

/* ---------- Future (split) ---------- */
.vp-split{display:grid;grid-template-columns:1.05fr 1fr;background:var(--deep);border-radius:28px;overflow:hidden;border:1px solid var(--line)}
.vp-split-txt{padding:64px 56px;display:flex;flex-direction:column;gap:42px}
.vp-split-txt h3{text-transform:uppercase;font-size:1.55rem;letter-spacing:.02em;margin:0 0 12px;color:var(--txt);display:flex;align-items:center;gap:14px}
.vp-split-txt h3 .n{font-size:.78rem;color:var(--acc);border:1px solid rgba(0,255,176,.4);border-radius:30px;padding:3px 10px;letter-spacing:.1em}
.vp-split-txt p{color:var(--mut);line-height:1.8}
.vp-split-img{position:relative;min-height:520px;overflow:hidden}
.vp-split-img img{position:absolute;inset:-8% 0;width:100%;height:116%;object-fit:cover;will-change:transform}
.vp-split-img::after{content:"";position:absolute;inset:0;background:var(--deep);transform-origin:left;transition:transform 1.4s var(--ease) .15s}
.vp-split-img.in::after{transform:scaleX(0);transform-origin:right}

/* ---------- Qualité ---------- */
.vp-cert{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.vp-cert-logos{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.vp-cert-box{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px;display:flex;flex-direction:column;gap:18px;transition:transform .5s var(--ease),border-color .4s}
.vp-cert-box:hover{transform:translateY(-6px);border-color:rgba(0,255,176,.35)}
.vp-cert-box .imgs{display:flex;gap:18px;align-items:center;flex-wrap:wrap;min-height:90px}
.vp-cert-box img{height:80px;width:auto;object-fit:contain}
.vp-cert-box p{color:var(--mut);font-size:.95rem;line-height:1.65}
.vp-partners{margin-top:90px}
.vp-partners h4{text-transform:uppercase;letter-spacing:.12em;font-size:.95rem;color:var(--txt);margin:0 0 26px;display:flex;align-items:center;gap:14px}
.vp-partners h4::after{content:"";flex:1;height:1px;background:var(--line)}
.vp-marquee{position:relative;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);margin-bottom:56px}
.vp-track{display:flex;gap:64px;width:max-content;animation:vpMarq 38s linear infinite;align-items:center;padding:10px 0}
.vp-marquee:hover .vp-track{animation-play-state:paused}
.vp-track img{height:54px;width:auto;object-fit:contain;opacity:.75;transition:opacity .3s,transform .3s}
.vp-track img:hover{opacity:1;transform:scale(1.08)}
.vp-irve{display:flex;flex-wrap:wrap;gap:22px}
.vp-irve div{flex:1 1 200px;background:var(--card);border:1px solid var(--line);border-radius:18px;height:110px;display:grid;place-items:center;transition:transform .5s var(--ease),border-color .4s}
.vp-irve div:hover{transform:translateY(-6px);border-color:rgba(0,255,176,.35)}
.vp-irve img{max-height:52px;max-width:70%;object-fit:contain}

/* ---------- Avis ---------- */
.vp-reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.vp-rev{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:34px 30px;position:relative;transition:transform .5s var(--ease),border-color .4s}
.vp-rev:hover{transform:translateY(-6px);border-color:rgba(0,255,176,.35)}
.vp-rev::before{content:"“";position:absolute;top:8px;right:24px;font-size:5.5rem;line-height:1;color:rgba(0,255,176,.18);font-family:Georgia,serif}
.vp-rev .stars{color:var(--acc);letter-spacing:4px;font-size:1.05rem;margin-bottom:16px}
.vp-rev p{color:var(--mut);line-height:1.75;margin-bottom:22px}
.vp-rev .who{font-weight:700;color:var(--txt)}

/* ---------- Présentation ---------- */
.vp-intro{display:grid;grid-template-columns:1fr 1.3fr;gap:60px;align-items:start}
.vp-intro .vp-lead{max-width:none}
.vp-duo{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.vp-panel{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:44px 40px}
.vp-panel h3{color:var(--acc);text-transform:uppercase;letter-spacing:.12em;font-size:1rem;margin:0 0 20px}
.vp-panel p{color:var(--mut);line-height:1.85}
.vp-quote{background:linear-gradient(145deg,#202B29,var(--deep));border-color:rgba(0,255,176,.22)}
.vp-quote p{font-size:1.22rem;line-height:1.7;color:var(--txt)}
.vp-quote p strong{color:var(--acc)}
.vp-panel ul{list-style:none;padding:0;margin:18px 0}
.vp-panel li{position:relative;padding:12px 0 12px 30px;color:var(--mut);line-height:1.7;border-bottom:1px solid var(--line)}
.vp-panel li:last-child{border-bottom:0}
.vp-panel li::before{content:"";position:absolute;left:0;top:22px;width:14px;height:2px;background:var(--acc)}
.vp-why{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.vp-why .item{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:34px 30px;transition:transform .5s var(--ease),border-color .4s}
.vp-why .item:hover{transform:translateY(-6px);border-color:rgba(0,255,176,.35)}
.vp-why .num{font-size:.8rem;font-weight:800;color:var(--acc);letter-spacing:.14em;margin-bottom:18px;display:block}
.vp-why h3{font-size:1.15rem;margin:0 0 12px;color:var(--txt)}
.vp-why p{color:var(--mut);line-height:1.75}
.vp-why-end{margin-top:34px;font-size:1.15rem;color:var(--mut);text-align:center}
.vp-cta{position:relative;overflow:hidden;border-radius:28px;padding:80px 40px;text-align:center;background:linear-gradient(135deg,#202B29,var(--deep));border:1px solid rgba(0,255,176,.22)}
.vp-cta::before{content:"";position:absolute;width:520px;height:520px;left:50%;top:50%;transform:translate(-50%,-50%);background:radial-gradient(closest-side,rgba(0,255,176,.16),transparent);animation:vpGlow 8s ease-in-out infinite alternate}
.vp-cta>*{position:relative}
.vp-cta .vp-lead{margin:0 auto 34px}
.vp-btn{display:inline-flex;align-items:center;gap:12px;background:var(--acc);color:#131D19!important;font-weight:800;letter-spacing:.1em;padding:17px 34px;border-radius:50px;font-size:.9rem;text-transform:uppercase;position:relative;overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s}
.vp-btn::after{content:"→";transition:transform .4s var(--ease)}
.vp-btn:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,255,176,.28)}
.vp-btn:hover::after{transform:translateX(5px)}

/* ---------- Apparition au défilement ---------- */
.vp [data-r]{opacity:0;transform:translateY(34px);filter:blur(6px);transition:opacity 1s var(--ease),transform 1s var(--ease),filter 1s var(--ease);transition-delay:var(--d,0s)}
.vp [data-r="left"]{transform:translateX(-40px)}
.vp [data-r="right"]{transform:translateX(40px)}
.vp [data-r="scale"]{transform:scale(.94)}
.vp [data-r].in{opacity:1;transform:none;filter:none}

@keyframes vpZoom{to{transform:scale(1)}}
@keyframes vpUp{to{transform:translateY(0)}}
@keyframes vpFade{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes vpBar{to{width:90px}}
@keyframes vpWheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
@keyframes vpGlow{from{transform:translate(0,0) scale(1)}to{transform:translate(-6%,-8%) scale(1.15)}}
.vp-cta::before{animation-name:vpGlowC}
@keyframes vpGlowC{from{transform:translate(-50%,-50%) scale(1)}to{transform:translate(-45%,-55%) scale(1.2)}}
@keyframes vpMarq{to{transform:translateX(-50%)}}

@media(max-width:960px){
  section.vp-sec{padding:80px 0}
  .vp-values .vp-wrap,.vp-reviews,.vp-why,.vp-duo{grid-template-columns:1fr}
  .vp-split,.vp-cert,.vp-intro{grid-template-columns:1fr}
  .vp-split-txt{padding:40px 28px}
  .vp-split-img{min-height:340px}
  .vp-cert{gap:36px}
  .vp-panel{padding:32px 26px}
  .vp-hero{padding-bottom:90px}
}
@media(max-width:560px){.vp-cert-logos{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){
  .vp *,.vp *::before,.vp *::after{animation:none!important;transition:none!important}
  .vp [data-r]{opacity:1;transform:none;filter:none}
  .vp-hero h1 .w>span,.vp-phero h1 .w>span{transform:none}
  .vp-hero p,.vp-hero .vp-eyebrow,.vp-phero p.sub,.vp-phero .vp-eyebrow,.vp-scroll{opacity:1}
  .vp-bar{width:90px}.vp-hero-bg{transform:none}
  .vp-split-img::after{display:none}
}
/* en-tête transparent au-dessus du hero */
#masthead{z-index:100!important}
.vp-hero,.vp-phero{margin-top:0}
.vp-hero::after{inset:auto -15% 0 auto;width:55vw;height:45vw}
.vp .vp-why-end{margin-top:40px}.vp .vp-cta .vp-lead{margin:0 auto 34px}

/* ---------- Services ---------- */
.vp-svc{display:grid;grid-template-columns:.9fr 1.3fr;gap:70px;align-items:start}
.vp-svc-intro{position:sticky;top:120px}
.vp-svc-list{position:relative;list-style:none;margin:0;padding:0}
.vp-svc-list::before{content:"";position:absolute;left:27px;top:28px;bottom:28px;width:2px;background:var(--line)}
.vp-svc-list::after{content:"";position:absolute;left:27px;top:28px;width:2px;height:var(--prog,0%);max-height:calc(100% - 56px);background:linear-gradient(var(--acc),rgba(0,255,176,.2));transition:height .2s linear}
.vp-svc-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:24px;padding:0 0 26px}
.vp-svc-item .num{position:relative;z-index:1;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--bg);border:2px solid var(--line);font-weight:800;font-size:.9rem;color:var(--mut);transition:all .6s var(--ease)}
.vp-svc-item.in .num{border-color:var(--acc);color:var(--acc);box-shadow:0 0 0 6px rgba(0,255,176,.08)}
.vp-svc-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px 30px;transition:transform .5s var(--ease),border-color .4s,background .4s}
.vp-svc-card:hover{transform:translateX(6px);border-color:rgba(0,255,176,.35);background:#2d302f}
.vp-svc-card h3{margin:0 0 10px;font-size:1.2rem;color:var(--txt)}
.vp-svc-card p{color:var(--mut);line-height:1.75}
@media(max-width:960px){.vp-svc{grid-template-columns:1fr;gap:40px}.vp-svc-intro{position:static}}
.vp-svc-intro .vp-lead{font-size:clamp(1.25rem,2vw,1.6rem);line-height:1.55;color:var(--txt);border-left:3px solid var(--acc);padding-left:24px}
/* Typo d'origine : grands mots pleins gris #515151, DM Sans 800 ; titre d'accueil en 900 */
.vp-word{color:#515151;-webkit-text-stroke:0;font-weight:800;font-family:"DM Sans",sans-serif;opacity:1}
.vp-hero h1{font-weight:900}
.vp-word{padding-left:max(64px,calc((100vw - 1180px)/2 + 64px))}

/* --- Robustesse (Safari anciens, cache) : la photo "Future" ne dépend plus d'une animation --- */
/* (règle html,body retirée : bloquait le défilement sur certains navigateurs) */
.vp{overflow-x:hidden}
.vp-split-img::after{display:none}
.vp-split-img img{top:-8%;bottom:auto;left:0;right:auto;height:116%}
.vp-hero-bg{top:0;right:0;bottom:0;left:0}
.vp-hero::before,.vp-phero::before{top:0;right:0;bottom:0;left:0}
@media(max-width:960px){
  .vp-split-img{min-height:0;height:300px}
  .vp-split-img img{top:0;height:100%}
  .vp-split-txt{gap:32px;padding:36px 24px 32px}
}
/* Fluidité : pas de flou animé (coûteux), uniquement opacité + déplacement accélérés par la carte graphique */
.vp [data-r]{filter:none;will-change:opacity,transform;transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.vp [data-r].in{will-change:auto}
.vp-word,.vp-hero-bg,.vp-split-img img{backface-visibility:hidden}

/* Pages légales */
.vl{max-width:860px;margin:0 auto}
.vl-sec{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px 36px;margin-bottom:18px}
.vl-sec h2{color:var(--acc);text-transform:uppercase;letter-spacing:.12em;font-size:1rem;margin:0 0 18px}
.vl-sec p{color:var(--mut);line-height:1.8;margin:0 0 12px}
.vl-sec p:last-child{margin-bottom:0}
.vl-sec a{color:var(--acc)!important;text-decoration:underline;text-underline-offset:3px}
.vl-dl{list-style:none;margin:0;padding:0}
.vl-dl li{display:grid;grid-template-columns:220px 1fr;gap:16px;padding:11px 0;border-bottom:1px solid var(--line);color:var(--txt)}
.vl-dl li:last-child{border-bottom:0}
.vl-dl span:first-child{color:var(--mut);font-size:.9rem}
.vl-list{margin:0 0 12px;padding-left:20px;color:var(--mut);line-height:1.8}
.vl-reveal{background:none;border:0;padding:0;color:var(--acc);font:inherit;font-weight:700;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.vl-maj{color:var(--mut);font-size:.9rem;margin-top:26px;text-align:center}
@media(max-width:640px){.vl-sec{padding:26px 22px}.vl-dl li{grid-template-columns:1fr;gap:2px}}
.vp-legal-links{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-top:8px;font-size:.85rem}
.vp-legal-links a{color:inherit;opacity:.75;text-decoration:none}
.vp-legal-links a:hover{opacity:1;color:#00ffb0}