:root{--s50:#f8fafc;--s100:#f1f5f9;--s200:#e2e8f0;--s400:#94a3b8;--s600:#475569;--s800:#1e293b;--s900:#0f172a;--s950:#020617;--c400:#22d3ee;--c500:#06b6d4;--c700:#0e7490;--amber:#f59e0b;--ok:#047857}
*,*::before,*::after{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--s50);color:var(--s800);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:3px solid var(--c400);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:.75rem 1rem;z-index:100}
.skip:focus{left:0}
.wrap{max-width:72rem;margin:0 auto;padding:0 1.25rem}
.narrow{max-width:48rem}
section{scroll-margin-top:5rem;padding:5rem 0}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em}
h2{font-size:1.9rem;font-weight:700;color:var(--s900);margin-bottom:1rem}
.center{text-align:center}
.eyebrow{display:block;color:var(--c700);font-weight:700;font-size:.85rem;margin-bottom:.5rem}
.lead{color:var(--s600);max-width:42rem;margin:0 auto 3rem}

.notice{background:var(--amber);color:var(--s950);padding:.75rem 1.25rem;text-align:center;font-weight:500;font-size:.95rem}
header{position:sticky;top:0;z-index:50;background:rgba(15,23,42,.97);border-bottom:1px solid var(--s800)}
.bar{display:flex;align-items:center;justify-content:space-between;height:4.5rem}
.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:#fff;font-weight:700;font-size:1.25rem}
.brand span span{color:var(--c400)}
nav ul{display:flex;align-items:center;gap:1.75rem;list-style:none;padding:0;font-size:.9rem;font-weight:500}
nav a{color:#cbd5e1;text-decoration:none}
nav a:hover{color:var(--c400)}
nav .cta{background:var(--c500);color:var(--s950);padding:.6rem 1.25rem;border-radius:.75rem;font-weight:600}
nav .cta:hover{background:#0891b2;color:var(--s950)}
#menu-btn{display:none;background:none;border:0;color:#cbd5e1;padding:.5rem;cursor:pointer}
#menu-btn svg{width:1.5rem;height:1.5rem;display:block}
@media(max-width:768px){
 #menu-btn{display:block}
 nav{position:absolute;top:100%;left:0;right:0;background:var(--s900);border-bottom:1px solid var(--s800);padding:.5rem 1.25rem 1.25rem}
 nav[hidden]{display:none}
 nav ul{flex-direction:column;align-items:stretch;gap:0}
 nav a{display:block;padding:.75rem 0}
 nav .cta{text-align:center;margin-top:.5rem}
}

.hero{background:var(--s900);color:#fff;padding:6rem 0;text-align:center;background-image:radial-gradient(ellipse at 50% 0,rgba(59,130,246,.18),transparent 60%)}
.pill{display:inline-block;padding:.35rem 1rem;border-radius:999px;font-size:.8rem;font-weight:600;background:rgba(6,182,212,.1);color:var(--c400);border:1px solid rgba(6,182,212,.25);margin-bottom:1.5rem}
.hero h1{font-size:clamp(2.25rem,6vw,3.75rem);font-weight:800;margin-bottom:1.5rem}
.grad{background:linear-gradient(90deg,var(--c400),#60a5fa);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:#cbd5e1;font-size:1.15rem;max-width:40rem;margin:0 auto 2.5rem}
.btns{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}
.btn{display:inline-block;padding:1rem 2rem;border-radius:.75rem;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font:inherit;font-weight:600;transition:background .2s}
.btn-p{background:var(--c500);color:var(--s950)}
.btn-p:hover{background:#0891b2}
.btn-s{border-color:#475569;color:#fff;background:rgba(30,41,59,.5)}
.btn-s:hover{border-color:var(--s400)}

.white{background:#fff}
.alt{background:var(--s50);border-top:1px solid var(--s200);border-bottom:1px solid var(--s200)}
.two{display:grid;gap:3rem;align-items:center}
@media(min-width:960px){.two{grid-template-columns:7fr 5fr}}
.two p+p{margin-top:1rem}
.two .txt{color:var(--s600)}
.card-d{background:var(--s900);color:#fff;padding:2rem;border-radius:1rem;border:1px solid var(--s800)}
.card-d h3{color:var(--c400);font-size:1.25rem;margin-bottom:1rem}
.card-d blockquote{color:#cbd5e1;font-style:italic}
.card-d h4{margin:2rem 0 .5rem;padding-top:1.5rem;border-top:1px solid var(--s800);font-size:.9rem}
.card-d small{display:block;color:var(--s400);font-size:.8rem}

.grid2{display:grid;gap:2rem;margin-bottom:2rem}
@media(min-width:960px){.grid2{grid-template-columns:1fr 1fr}}
.grid3{display:grid;gap:1.5rem}
@media(min-width:700px){.grid3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.grid3{grid-template-columns:repeat(3,1fr)}}
.box{background:#fff;padding:1.75rem;border-radius:1rem;border:1px solid var(--s200)}
.box.dark{background:var(--s900);color:#fff;border-color:var(--s800)}
.box h3{font-size:1.4rem;margin:1rem 0 .75rem;color:var(--s900)}
.box.dark h3{color:#fff}
.box p{font-size:.95rem;color:var(--s600)}
.box.dark p{color:#cbd5e1}
.tag{display:inline-block;font-size:.75rem;font-weight:700;padding:.25rem .75rem;border-radius:999px;border:1px solid}
.tag.c{color:var(--c400);border-color:rgba(6,182,212,.3);background:rgba(6,182,212,.1)}
.tag.g{color:var(--ok);border-color:rgba(4,120,87,.3);background:rgba(16,185,129,.1)}
.checks{list-style:none;padding:1rem 0 0;margin-top:1.25rem;border-top:1px solid var(--s200);font-size:.9rem;display:grid;gap:.5rem}
.dark .checks{border-color:var(--s800)}
.checks li::before{content:"✔ ";color:var(--ok)}
.dark .checks li::before{content:"◆ ";color:var(--c400)}
.item h3{font-size:1.05rem;margin:.5rem 0}
.item .ico{font-size:1.5rem}
.item.dark h3{color:var(--c400)}
.more{display:block;text-align:center;margin-top:2rem;color:var(--c700);font-weight:600;text-decoration:none}
.more:hover{text-decoration:underline}
#services .box{background:var(--s50)}
#services .box.dark{background:#083344;border-color:#164e63}

.contact{background:var(--s900);color:#fff}
.contact h2{color:#fff}
.contact .lead{color:var(--s400);margin-bottom:1rem}
.mail{text-align:center;margin-bottom:2rem;color:#cbd5e1}
.mail a{color:var(--c400);font-weight:600}
form{background:rgba(30,41,59,.5);padding:2rem;border-radius:1rem;border:1px solid var(--s800);display:grid;gap:1.5rem}
.row{display:grid;gap:1.5rem}
@media(min-width:640px){.row{grid-template-columns:1fr 1fr}}
label{display:block;font-size:.9rem;font-weight:500;color:#cbd5e1;margin-bottom:.5rem}
input,select,textarea{width:100%;font:inherit;background:var(--s950);color:#fff;border:1px solid #475569;border-radius:.75rem;padding:.75rem 1rem}
input:focus,select:focus,textarea:focus{border-color:var(--c500)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.legal{font-size:.8rem;color:var(--s400)}
.legal a{color:var(--c400)}
#status{margin-bottom:1.5rem;padding:1rem;border-radius:.75rem;font-size:.9rem;font-weight:500;text-align:center}
#status[hidden]{display:none}
#status.ok{background:rgba(16,185,129,.1);color:#34d399;border:1px solid rgba(16,185,129,.25)}
#status.ko{background:rgba(244,63,94,.1);color:#fb7185;border:1px solid rgba(244,63,94,.25)}

footer{background:var(--s950);color:var(--s400);font-size:.9rem;padding:2rem 0;border-top:1px solid var(--s900)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem}
footer ul{display:flex;gap:1.5rem;list-style:none;padding:0}
footer a{text-decoration:none}
footer a:hover{color:#fff}

/* Pages de contenu (charte, mentions légales, RGPD) */
.hero.small{padding:4rem 0}
.hero.small h1{font-size:clamp(1.9rem,5vw,3rem);margin-bottom:1rem}
.hero.small p{margin-bottom:0}
nav a[aria-current="page"]{color:var(--c400);font-weight:600}
.doc{max-width:56rem;margin:4rem auto;padding:0 1.25rem}
.doc-in{background:#fff;padding:2rem;border-radius:1rem;border:1px solid var(--s200);color:var(--s600);display:grid;gap:2.5rem}
@media(min-width:768px){.doc-in{padding:3rem}}
.doc-in h2{font-size:1.25rem;margin-bottom:.75rem}
.doc-in p+p,.doc-in p+ul{margin-top:1rem}
.doc-in ul{padding-left:1.5rem;display:grid;gap:.5rem;font-size:.95rem}
.doc-in a{color:var(--c700)}
.doc-intro{font-size:1.1rem;color:var(--s900);font-weight:500;font-style:italic;border-left:4px solid var(--c500);padding-left:1rem}
.doc .after{text-align:center;margin-top:3rem}
.btn-d{background:var(--s900);color:#fff}
.btn-d:hover{background:var(--s800)}
.brand img{width:2.5rem;height:2.5rem;flex-shrink:0}