html{-webkit-tap-highlight-color:transparent}
/* NTHG main.css : CSS commun extrait des pages services. Cache cross-page. */

:root{--r:#B91C30;--rh:#D42040;--rb:rgba(185,28,48,.06);--dk:#0f0f0f;--t1:#1a1a1a;--t2:#4a4a4a;--t3:#666;--bg:#fafafa;--w:#fff;--se:'Instrument Serif',Georgia,serif;--sa:'Sora',sans-serif;--ez:cubic-bezier(.16,1,.3,1);--rl:100px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}a{text-decoration:none;color:inherit}
html{scroll-behavior:smooth}body{font-family:var(--sa);color:var(--t1);background:var(--w);overflow-x:hidden;-webkit-font-smoothing:antialiased;line-height:1.6;opacity:0;transition:opacity .15s ease}body.fl{opacity:1}
img{display:block;max-width:100%;height:auto}button{font-family:inherit;border:none;cursor:pointer;background:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 clamp(20px,5vw,48px)}
.skip-link{position:absolute;left:-9999px;top:0;background:#B91C30;color:#fff;padding:12px 18px;border-radius:8px;font-weight:600;font-size:.85rem;z-index:9999}.skip-link:focus{left:16px;top:16px;outline:2px solid #fff;outline-offset:2px}
a:focus-visible,button:focus-visible{outline:2px solid #B91C30;outline-offset:2px;border-radius:4px}
@keyframes fu{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
[data-a]{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ez),transform .7s var(--ez)}[data-a].v{opacity:1;transform:none}
.rd{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--r)}

.nav{position:fixed;top:20px;left:0;right:0;z-index:100;width:fit-content;margin:0 auto;background:rgba(255,255,255,.72);backdrop-filter:blur(28px) saturate(200%);-webkit-backdrop-filter:blur(28px) saturate(200%);border:1px solid rgba(255,255,255,.45);border-radius:var(--rl);padding:9px 12px 9px 18px;display:flex;align-items:center;gap:6px;box-shadow:0 2px 30px rgba(0,0,0,.06);animation:fu .6s var(--ez) both;transition:padding .45s var(--ez),box-shadow .45s var(--ez),top .45s var(--ez),background .45s var(--ez),gap .45s var(--ez)}
.nav.c{top:12px;padding:7px 8px 7px 16px;gap:4px;background:rgba(255,255,255,.88);box-shadow:0 6px 40px rgba(0,0,0,.1)}
.nb{display:flex;align-items:center;margin-right:8px;white-space:nowrap;transition:margin .45s var(--ez)}
.nb img{height:16px;width:auto;transition:height .45s var(--ez)}.nav.c .nb img{height:13px}.nav.c .nb{margin-right:4px}
.nl{display:flex;align-items:center;gap:2px}
.nk{font-size:.78rem;font-weight:500;color:var(--t2);padding:8px 14px;border-radius:var(--rl);transition:all .3s;white-space:nowrap;display:flex;align-items:center}
.nk:hover{color:var(--t1);background:rgba(0,0,0,.04)}.nav.c .nk{padding:5px 10px;font-size:.74rem}
.nc{color:var(--t3)!important;font-size:.74rem}.nc:hover{color:var(--t1)!important;background:rgba(0,0,0,.04)}
.nx{font-size:.78rem;font-weight:600;color:#fff!important;background:var(--r);padding:8px 20px;border-radius:var(--rl);transition:all .3s;margin-left:4px;white-space:nowrap}
.nx:hover{background:var(--rh);transform:scale(1.04)}.nav.c .nx{padding:6px 16px;font-size:.74rem}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;margin-left:auto;min-width:44px;min-height:44px;align-items:center;justify-content:center}
.menu-toggle svg{width:20px;height:20px;stroke:var(--t1);stroke-width:2;fill:none}
.mobile-menu{display:none;position:fixed;inset:0;background:rgba(255,255,255,.97);backdrop-filter:blur(20px);z-index:99;flex-direction:column;align-items:center;justify-content:center;gap:24px;opacity:0;transition:opacity .3s}
.mobile-menu.open{display:flex;opacity:1}
.mobile-menu a{font-family:var(--se);font-size:1.4rem;color:var(--t1);padding:12px 24px}
.mobile-menu .nx{font-size:1rem;margin-top:16px}
.mm-close{position:absolute;top:24px;right:24px;background:none;border:none;cursor:pointer;padding:8px}
.mm-close svg{width:24px;height:24px;stroke:var(--t1);stroke-width:2;fill:none}

.hero{min-height:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:100px 24px 48px;position:relative;overflow:hidden}
.hero__bg{position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 25% 30%,rgba(185,28,48,.06),transparent),radial-gradient(ellipse 50% 60% at 75% 65%,rgba(91,141,239,.05),transparent),radial-gradient(ellipse 40% 40% at 50% 80%,rgba(255,160,80,.04),transparent)}
.hero__c{position:relative;z-index:1;max-width:780px}
.hero h1{font-family:var(--se);font-weight:400;font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.12;letter-spacing:-.02em;margin-bottom:20px;animation:fu .7s var(--ez) .15s both}.hero h1{font-size:clamp(2.4rem,5vw,3.8rem)}
.hero h1 em{font-style:italic;color:var(--r)}
.hsub{font-size:clamp(.88rem,1.2vw,.98rem);color:var(--t2);line-height:1.7;max-width:520px;margin:0 auto 32px;animation:fu .7s var(--ez) .25s both}
.hbtns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;animation:fu .7s var(--ez) .35s both}
.bt{display:inline-flex;align-items:center;gap:6px;padding:12px 28px;border-radius:var(--rl);font-size:.84rem;font-weight:600;font-family:var(--sa);transition:all .25s var(--ez)}
.bt--p{background:var(--r);color:#fff;box-shadow:0 4px 20px rgba(185,28,48,.2)}.bt--p:hover{background:var(--rh);transform:translateY(-2px);box-shadow:0 8px 30px rgba(185,28,48,.3)}
.bt--o{border:1.5px solid rgba(0,0,0,.12);color:var(--t1)}.bt--o:hover{border-color:var(--t1);background:var(--bg)}

.stats{padding:72px 0;position:relative;border-top:1px solid rgba(0,0,0,.05)}.stats::before{content:'';position:absolute;top:-60px;left:50%;transform:translateX(-50%);width:600px;height:200px;border-radius:50%;background:radial-gradient(ellipse,rgba(185,28,48,.04),rgba(255,160,80,.03),transparent 70%);filter:blur(20px)}.sg{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center;position:relative}
.sn{font-family:var(--se);font-size:clamp(2rem,4vw,3.2rem);line-height:1;margin-bottom:6px}.sn span{color:var(--r)}.sl{font-size:.82rem;color:var(--t3)}

.sh{margin-bottom:56px}.sh--c{text-align:center}
.she{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;font-weight:600;color:var(--r);text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px}
.sht{font-family:var(--se);font-weight:400;font-size:clamp(1.6rem,3.2vw,2.4rem);line-height:1.15;letter-spacing:-.015em}.sht em{font-style:italic;color:var(--r)}
.shd{font-size:clamp(.9rem,1.2vw,1rem);color:var(--t2);line-height:1.75;max-width:580px;margin-top:16px}.sh--c .shd{margin-left:auto;margin-right:auto}

.proc{padding:100px 0;background:var(--bg);position:relative;overflow:hidden}.proc::after{content:'';position:absolute;bottom:-60px;left:30%;width:400px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.05),rgba(91,141,239,.04),transparent 70%);filter:blur(30px)}
.ps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:56px}
.pln{position:absolute;top:34px;left:10%;right:10%;height:2px;background:linear-gradient(to right,var(--r),rgba(185,28,48,.1))}
.stp{text-align:center;position:relative;padding:0 12px}
.stpc{width:68px;height:68px;border-radius:50%;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;background:var(--w);border:2px solid var(--r);font-family:var(--se);font-size:1.3rem;color:var(--r);position:relative;z-index:1;transition:all .3s}
.stp:hover .stpc{background:var(--r);color:#fff;transform:scale(1.08)}
.stp h3{font-family:var(--se);font-size:1.05rem;margin-bottom:6px;font-weight:400}.stp p{font-size:.82rem;color:var(--t2);line-height:1.6}

.srv{background:var(--dk);color:#fff;padding:100px 0;position:relative;overflow:hidden}
.srv::before{content:'';position:absolute;top:-200px;right:-150px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(185,28,48,.1),transparent 65%)}
.srv .wrap{position:relative;z-index:1}.srv .sht{color:#fff}.srv .shd{color:rgba(255,255,255,.5)}
.sgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sc{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);border-radius:28px;padding:32px 24px;overflow:hidden;transition:all .3s;position:relative}
.sc::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--r);transform:scaleX(0);transform-origin:left;transition:transform .4s}
.sc:hover{background:rgba(255,255,255,.07);border-color:rgba(185,28,48,.25)}.sc:hover::after{transform:scaleX(1)}
.sci{width:46px;height:46px;border-radius:14px;background:rgba(185,28,48,.12);margin-bottom:18px;display:flex;align-items:center;justify-content:center}
.sci svg{width:20px;height:20px;stroke:var(--rh);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sc h3{font-family:var(--se);font-size:1.1rem;margin-bottom:14px;font-weight:400}
.sc ul{list-style:none}
.sc li{font-size:.82rem;color:rgba(255,255,255,.55);padding:4px 0;display:flex;align-items:flex-start;gap:8px;line-height:1.5}.sc li::before{content:'→';color:var(--rh);font-weight:700;flex-shrink:0}

.faq{padding:100px 0}
.faq__list{max-width:800px;margin:0 auto}
.faq__item{border-bottom:1px solid rgba(0,0,0,.06);padding:24px 0}
.faq__q{font-family:var(--se);font-size:1.1rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq__q::after{content:'+';font-size:1.4rem;color:var(--r);transition:transform .3s;flex-shrink:0}
.faq__item.open .faq__q::after{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .4s var(--ez)}
.faq__item.open .faq__a{max-height:320px}
.faq__a p{padding-top:16px;font-size:.9rem;color:var(--t2);line-height:1.7}

.ctaBlk{padding:100px 0;background:var(--dk);position:relative;overflow:hidden;text-align:center}
.ctaBlk::before{content:'';position:absolute;top:-150px;left:-100px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(185,28,48,.1),transparent 65%)}
.ctaBlk::after{content:'';position:absolute;bottom:-150px;right:-50px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(91,141,239,.08),rgba(139,92,246,.05),transparent 65%)}
.ctaBlk .wrap{position:relative;z-index:1}
.ctaBlk h2{font-family:var(--se);font-weight:400;font-size:clamp(2rem,4.5vw,3.2rem);color:#fff;line-height:1.1;margin-bottom:18px}
.ctaBlk h2 em{font-style:italic;color:var(--r)}
.ctaBlk p{color:rgba(255,255,255,.55);font-size:.95rem;line-height:1.7;max-width:520px;margin:0 auto 32px}

.ft{padding:56px 0 28px;position:relative;overflow:hidden}
.ft::before{content:'';position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:800px;height:350px;border-radius:50%;background:radial-gradient(ellipse,rgba(255,160,80,.1) 0%,rgba(91,200,200,.08) 40%,rgba(200,140,255,.05) 60%,transparent 80%);filter:blur(40px);pointer-events:none}
.ftg{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;position:relative}
.ftb p{color:var(--t2);font-size:.85rem;line-height:1.6;max-width:260px;margin-top:12px}
.ftc h3{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--t3);margin-bottom:16px;font-family:var(--sa)}
.ftc{display:flex;flex-direction:column}.ftc a{display:flex;align-items:center;color:var(--t2);font-size:.85rem;padding:4px 0;transition:color .2s}.ftc a:hover{color:var(--t1)}
.ftbt{margin-top:40px;padding-top:20px;border-top:1px solid rgba(0,0,0,.05);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;position:relative}
.ftcp{font-size:.78rem;color:#555}.ftlg{display:flex;gap:20px}.ftlg a{font-size:.78rem;color:#555;transition:color .2s}.ftlg a:hover{color:var(--t1)}

@media(max-width:1024px){.sgrid{grid-template-columns:repeat(2,1fr)}.sg{grid-template-columns:repeat(2,1fr)}.ps{grid-template-columns:repeat(2,1fr);gap:40px}.pln{display:none}}
@media(max-width:768px){.menu-toggle{display:inline-flex}.nk:not(.nx){display:none}.ftg{grid-template-columns:1fr 1fr;gap:32px}.hero{padding:120px 20px 40px;min-height:auto}.stats{padding:48px 0}.proc{padding:60px 0}.srv{padding:60px 0}.faq{padding:60px 0}.ctaBlk{padding:60px 0}.sgrid{grid-template-columns:1fr}}
@media(max-width:480px){.ps{grid-template-columns:1fr;gap:28px}.ftg{grid-template-columns:1fr;gap:24px}.sg{grid-template-columns:1fr 1fr;gap:20px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
@media(max-width:768px){.nk{min-height:44px;padding:10px 14px}.ftc a{min-height:44px;padding:10px 0}.mobile-menu a{min-height:44px;padding:14px 24px}button,.ec-btn,.nx{min-height:44px}.ftlg a{min-height:44px;padding:10px 8px}}.skip{position:absolute;top:-100%;left:50%;transform:translateX(-50%);background:var(--r);color:#fff;padding:12px 24px;border-radius:8px;z-index:100;font-size:.9rem;text-decoration:none;transition:top .2s}.skip:focus{top:16px}


/* Large desktop breakpoint - amélioration UX écrans larges */
@media(min-width:1440px){
.wrap{max-width:1320px;padding:0 clamp(24px,3vw,56px)}
.hero{padding:120px 24px 64px}
.hero h1{font-size:clamp(2.6rem,4.2vw,4rem)}
.hsub{font-size:clamp(1rem,1.3vw,1.15rem);max-width:680px}
.sgrid,.sg,.ps{gap:24px}
.ftg{gap:56px}
}


/* Mini-form contact pages services (B.4) */
.minicontact{padding:80px 0 60px;background:var(--bg);position:relative;overflow:hidden}
.minicontact::before{content:'';position:absolute;top:-100px;right:-100px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(185,28,48,.06),transparent 65%);pointer-events:none}
.mc-inner{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:start;position:relative;z-index:1}
.mc-title{font-family:var(--se);font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:400;line-height:1.15;letter-spacing:-.01em;margin-bottom:18px}
.mc-title em{font-style:italic;color:var(--r)}
.mc-sub{color:var(--t2);font-size:.96rem;line-height:1.7;margin-bottom:24px;max-width:420px}
.mc-bullets{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.mc-bullets li{display:flex;align-items:center;gap:10px;color:var(--t2);font-size:.9rem}
.mc-dot{width:6px;height:6px;border-radius:50%;background:var(--r);display:inline-block;flex-shrink:0}
.mc-form{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:14px;box-shadow:0 4px 30px rgba(0,0,0,.04)}
.mc-field{display:flex;flex-direction:column;gap:6px}
.mc-label{font-size:.78rem;font-weight:600;color:var(--t2);letter-spacing:.02em}
.mc-form input[type=text],.mc-form input[type=email],.mc-form textarea{font-family:var(--sa);font-size:.92rem;padding:12px 14px;border:1.5px solid rgba(0,0,0,.1);border-radius:10px;background:var(--bg);color:var(--t1);transition:border-color .2s var(--ez);min-height:44px;width:100%}
.mc-form input:focus,.mc-form textarea:focus{outline:none;border-color:var(--r);background:#fff}
.mc-form textarea{resize:vertical;min-height:88px}
.mc-rgpd{display:flex;align-items:flex-start;gap:10px;font-size:.78rem;color:var(--t3);line-height:1.5;cursor:pointer}
.mc-rgpd input{margin-top:3px;flex-shrink:0;accent-color:var(--r)}
.mc-rgpd a{color:var(--r);text-decoration:underline}
.mc-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:var(--rl);font-family:var(--sa);font-size:.88rem;font-weight:600;background:var(--r);color:#fff;border:0;cursor:pointer;transition:background .2s var(--ez),transform .2s var(--ez);min-height:48px;margin-top:4px}
.mc-btn:hover{background:var(--rh);transform:translateY(-1px)}
.mc-fallback{font-size:.78rem;color:var(--t3);text-align:center;margin-top:4px}
.mc-fallback a{color:var(--t2);text-decoration:underline}
@media(max-width:1024px){.mc-inner{grid-template-columns:1fr;gap:36px}}
@media(max-width:480px){.mc-form{padding:24px}}


/* Études de cas riches (B.3) */
.cs{padding:80px 0 60px;position:relative;overflow:hidden}
.cs-list{display:flex;flex-direction:column;gap:48px;margin-top:48px}
.cs-item{display:grid;grid-template-columns:1.1fr 1fr;gap:0;background:#fff;border-radius:24px;overflow:hidden;box-shadow:0 4px 30px rgba(0,0,0,.06);border:1px solid rgba(0,0,0,.05);transition:transform .4s var(--ez),box-shadow .4s var(--ez)}
.cs-item:hover{transform:translateY(-3px);box-shadow:0 14px 50px rgba(0,0,0,.1)}
.cs-item:nth-child(even){grid-template-columns:1fr 1.1fr}
.cs-item:nth-child(even) .cs-visual{order:2}
.cs-item:nth-child(even) .cs-body{order:1}
.cs-visual{position:relative;min-height:340px;padding:32px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;overflow:hidden}
.cs-visual::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(255,255,255,.15),transparent 50%);pointer-events:none}
.cs-cat{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:rgba(255,255,255,.7);font-weight:600;margin-bottom:8px;position:relative;z-index:1}
.cs-title{font-family:var(--se);font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.15;letter-spacing:-.01em;font-weight:400;margin-bottom:14px;position:relative;z-index:1}
.cs-tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:100px;background:rgba(255,255,255,.18);backdrop-filter:blur(10px);color:#fff;font-size:.72rem;font-weight:600;border:1px solid rgba(255,255,255,.25);width:fit-content;position:relative;z-index:1}
.cs-body{padding:36px 38px;display:flex;flex-direction:column;gap:14px}
.cs-meta{display:flex;gap:6px;flex-wrap:wrap;font-size:.74rem;color:var(--t3);align-items:center}
.cs-name{font-family:var(--se);font-size:clamp(1.4rem,2.2vw,1.85rem);line-height:1.2;letter-spacing:-.01em;font-weight:400;color:var(--t1);margin:0}
.cs-story{color:var(--t2);font-size:.92rem;line-height:1.75;margin:0}
.cs-kpi-hero{padding:18px 0;border-top:1px solid rgba(0,0,0,.06);border-bottom:1px solid rgba(0,0,0,.06);display:flex;flex-direction:column;gap:2px}
.cs-num{font-family:var(--se);font-size:clamp(2rem,4vw,2.8rem);line-height:1;color:var(--r);letter-spacing:-.02em}
.cs-lab{font-size:.78rem;color:var(--t3);text-transform:uppercase;letter-spacing:.08em;font-weight:600}
.cs-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cs-kpis>div{text-align:left}
.cs-kn{font-family:var(--se);font-size:1.05rem;color:var(--t1);line-height:1;margin-bottom:4px}
.cs-kl{font-size:.74rem;color:var(--t3);line-height:1.3}
.cs-link{display:inline-flex;align-items:center;gap:6px;color:var(--r);font-size:.82rem;font-weight:600;margin-top:6px;width:fit-content;transition:gap .2s var(--ez)}
.cs-link:hover{gap:10px}
.cs-link span{font-size:.9rem}
@media(max-width:1024px){
.cs-item,.cs-item:nth-child(even){grid-template-columns:1fr}
.cs-item:nth-child(even) .cs-visual,.cs-item:nth-child(even) .cs-body{order:initial}
.cs-visual{min-height:240px}
}
@media(max-width:480px){
.cs-body{padding:28px 24px}
.cs-kpis{grid-template-columns:1fr 1fr;gap:14px}
}

/* Lang switch button (Final fix : nowrap + line-height) */
.lang-switch{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:1.5px solid rgba(0,0,0,.12);border-radius:100px;font-size:.74rem;color:var(--t1);letter-spacing:.04em;text-transform:uppercase;transition:background .2s var(--ez),border-color .2s var(--ez);font-family:var(--sa);font-weight:500;text-decoration:none;margin-left:6px;white-space:nowrap;line-height:1;height:30px}
.lang-switch:hover{background:rgba(0,0,0,.04);border-color:rgba(0,0,0,.25)}
.lang-switch svg{width:12px;height:12px;stroke:currentColor;stroke-width:2;fill:none;flex-shrink:0}
.lang-switch.on-dark{border-color:rgba(255,255,255,.18);color:#fff}
.lang-switch.on-dark:hover{background:rgba(255,255,255,.1)}
@media(max-width:768px){.lang-switch{font-size:.7rem;padding:6px 10px;margin-left:2px;height:28px}}