:root{
  --nuit:#0B0F24;--violet:#1A1446;--or:#FFD166;--orange:#FF7A45;--corail:#E8305A;--cyan:#58E6FF;
  --texte:#2B2F3A;--texte-clair:#C9CCD8;--gris:#F5F6FA;--blanc:#FFFFFF;--bord:#E4E6EF;
  --radius:14px;--max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--texte);background:var(--blanc);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.or{color:var(--or)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.sur{display:inline-block;font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.sur.clair{color:var(--orange)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:10px;font-weight:700;text-decoration:none;transition:transform .15s,box-shadow .15s;border:2px solid transparent;cursor:pointer;font-size:1rem}
.btn:hover{transform:translateY(-2px)}
.btn-or{background:var(--or);color:var(--nuit)}
.btn-cyan{border-color:var(--cyan);color:var(--cyan);background:transparent}
.btn-nuit{border-color:var(--nuit);color:var(--nuit);background:transparent}
.btn-tg{background:linear-gradient(90deg,#FFC24B,#FF6A3D,#D62A6B);color:#fff}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* En-tête */
header{position:sticky;top:0;z-index:20;background:rgba(11,15,36,.96);backdrop-filter:blur(8px);color:#fff;border-bottom:1px solid rgba(88,230,255,.15)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:800;letter-spacing:.02em}
.brand img{height:44px;width:44px;border-radius:10px}
.brand span{font-size:.95rem}
nav ul{list-style:none;display:flex;gap:26px;margin:0;padding:0;align-items:center}
nav a{text-decoration:none;color:var(--texte-clair);font-weight:600;font-size:.95rem}
nav a:hover,nav a[aria-current]{color:var(--cyan)}
nav .btn{padding:10px 18px;font-size:.9rem}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.7rem;cursor:pointer;line-height:1}
@media (max-width:860px){
  .burger{display:block}
  nav{position:absolute;left:0;right:0;top:70px;background:var(--nuit);display:none;padding:16px 20px 24px;border-bottom:1px solid rgba(88,230,255,.2)}
  nav.ouvert{display:block}
  nav ul{flex-direction:column;align-items:flex-start;gap:16px}
}

/* Bandeau */
.hero{background:radial-gradient(1200px 600px at 80% -10%,rgba(88,230,255,.18),transparent 60%),linear-gradient(135deg,var(--nuit),var(--violet));color:#fff;padding:90px 0 80px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(88,230,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(88,230,255,.06) 1px,transparent 1px);background-size:40px 40px;mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 80%);pointer-events:none}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}
.hero p.lead{font-size:1.15rem;color:var(--texte-clair);max-width:560px}
.hero .visuel{display:flex;justify-content:center}
.hero .visuel img{width:min(320px,70vw);border-radius:28px;box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 0 1px rgba(88,230,255,.25)}
.hero.compact{padding:70px 0 60px}
.hero.compact .wrap{grid-template-columns:1fr}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero .visuel{order:-1}.hero{padding:50px 0}}

/* Sections */
section{padding:72px 0}
section.gris{background:var(--gris)}
section.nuit{background:var(--nuit);color:#fff}
section.nuit p{color:var(--texte-clair)}
.intro{max-width:640px;margin-bottom:40px}
.intro p{font-size:1.08rem}
.grille{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.carte{background:var(--blanc);border:1px solid var(--bord);border-radius:var(--radius);padding:28px 26px;position:relative;transition:box-shadow .2s,transform .2s;display:flex;flex-direction:column}
.carte::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--cyan);opacity:0;transition:opacity .2s}
.carte:hover{box-shadow:0 14px 40px rgba(11,15,36,.08);transform:translateY(-3px)}
.carte:hover::before{opacity:1}
.carte .ico{width:46px;height:46px;border-radius:12px;background:var(--nuit);display:grid;place-items:center;margin-bottom:18px}
.carte .ico svg{width:24px;height:24px;stroke:var(--cyan);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.carte p{flex:1;color:#4C5160}
.carte a.lien{font-weight:700;text-decoration:none;color:var(--nuit)}
.carte a.lien:hover{color:var(--orange)}
.confiance{background:var(--nuit);color:#fff;padding:0}
.confiance .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:0;border-top:1px solid rgba(88,230,255,.15)}
.confiance .item{padding:28px 24px;border-right:1px solid rgba(88,230,255,.12)}
.confiance .item:last-child{border-right:0}
.confiance strong{display:block;color:var(--or);margin-bottom:4px}
.confiance p{margin:0;color:var(--texte-clair);font-size:.95rem}
.etapes{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));counter-reset:etape}
.etape{padding:26px;border-radius:var(--radius);background:var(--blanc);border:1px solid var(--bord)}
.etape .num{font-size:2.2rem;font-weight:800;color:var(--orange);line-height:1;margin-bottom:12px}
.bande-tg{background:linear-gradient(120deg,#FFC24B,#FF6A3D 55%,#D62A6B);color:#fff}
.bande-tg .wrap{display:grid;grid-template-columns:auto 1fr;gap:34px;align-items:center}
.bande-tg img{width:120px;border-radius:26px;box-shadow:0 18px 50px rgba(0,0,0,.3)}
.bande-tg p{color:rgba(255,255,255,.92)}
.bande-tg .btn{background:#fff;color:#D62A6B}
.bande-tg .btn.ghost{background:transparent;border-color:#fff;color:#fff}
@media (max-width:640px){.bande-tg .wrap{grid-template-columns:1fr}}
.liste{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.liste li{padding-left:30px;position:relative}
.liste li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:16px;border-radius:50%;background:var(--cyan);mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat}
.deux{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
@media (max-width:860px){.deux{grid-template-columns:1fr}}
.service{padding:60px 0;border-bottom:1px solid var(--bord)}
.service:last-of-type{border-bottom:0}
.service .tag{display:inline-block;font-size:.8rem;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--gris);color:var(--nuit);margin-bottom:10px}
.encadre{background:#FFF7DF;border-left:4px solid var(--or);padding:18px 22px;border-radius:0 10px 10px 0}
.valeurs{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.valeur{padding:24px;border-radius:var(--radius);background:var(--blanc);border:1px solid var(--bord)}
.valeur h3{color:var(--nuit)}
.valeur h3::before{content:"";display:block;width:34px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--or),var(--orange));margin-bottom:12px}

/* Contact */
.contact-grille{display:grid;grid-template-columns:1fr 1.2fr;gap:40px}
@media (max-width:860px){.contact-grille{grid-template-columns:1fr}}
.coord{display:grid;gap:14px}
.coord .carte{padding:20px 22px}
.coord .carte strong{display:block;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);margin-bottom:4px}
.coord a{text-decoration:none;font-weight:600;color:var(--nuit)}
form{display:grid;gap:14px;background:var(--blanc);padding:28px;border-radius:var(--radius);border:1px solid var(--bord)}
label{font-weight:600;font-size:.9rem;display:grid;gap:6px}
input,select,textarea{font:inherit;padding:12px 14px;border:1px solid var(--bord);border-radius:10px;background:#fff;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--cyan);border-color:var(--cyan)}
textarea{min-height:130px;resize:vertical}
.ligne{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){.ligne{grid-template-columns:1fr}}
.note{font-size:.85rem;color:#6A6F80}
.ok{display:none;padding:16px;border-radius:10px;background:#E6FBF3;color:#0F6E4A;font-weight:600}

/* CTA final + pied */
.cta{background:linear-gradient(135deg,var(--nuit),var(--violet));color:#fff;text-align:center}
.cta p{color:var(--texte-clair);max-width:560px;margin:0 auto 1em}
.cta .actions{justify-content:center}
footer{background:#070A1A;color:var(--texte-clair);padding:56px 0 28px;font-size:.93rem}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;margin-bottom:36px}
@media (max-width:860px){footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:520px){footer .cols{grid-template-columns:1fr}}
footer h4{color:#fff;margin:0 0 12px;font-size:.85rem;letter-spacing:.1em;text-transform:uppercase}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer a{text-decoration:none;color:var(--texte-clair)}
footer a:hover{color:var(--cyan)}
footer .brand{color:#fff;margin-bottom:14px}
footer .bas{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:.85rem}
footer .bas strong{color:var(--or);font-weight:600}
.wa{position:fixed;right:18px;bottom:18px;z-index:30;width:56px;height:56px;border-radius:50%;background:#25D366;display:none;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.3)}
.wa svg{width:30px;height:30px;fill:#fff}
.wa.visible{display:grid}