:root{--bg:#070b14;--bg2:#0d1424;--line:#1c2840;--tx:#f1f5f9;--mut:#94a3b8;--cy:#00f2fe;--bl:#38bdf8;--pu:#818cf8;--em:#34d399;--am:#fbbf24}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Segoe UI',Inter,-apple-system,BlinkMacSystemFont,Roboto,sans-serif;background:var(--bg);color:var(--tx);line-height:1.6;overflow-x:hidden}
a{color:var(--bl);text-decoration:none;transition:all .2s ease}

.container{max-width:1160px;margin:0 auto;padding:0 24px}

/* ================================================================= */
/* NAVBAR FIXE & NAVIGATION RESPONSIVE                               */
/* ================================================================= */
.navbar{position:sticky;top:0;z-index:50;background:rgba(7,11,20,0.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--tx);flex-shrink:0}
.brand img{width:40px;height:40px}
.brand b{font-size:22px;letter-spacing:5px;font-weight:800}.brand b span{font-weight:300;color:var(--bl)}

.nav-right{display:flex;align-items:center;gap:20px}
.nav-links{display:flex;gap:24px;align-items:center;font-size:15px;font-weight:500}
.nav-links a{color:var(--mut)}.nav-links a:hover,.nav-links a.on{color:#ffffff}

.nav-links .nav-drawer-btn{display:none}

.nav-phone{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#e2e8f0;padding:8px 14px;border-radius:10px;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.08);white-space:nowrap}
.nav-phone:hover{color:var(--cy);border-color:var(--cy)}

/* Bouton Burger Mobile */
.burger-btn{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px;z-index:60}
.burger-btn span{display:block;width:24px;height:2px;background:#f1f5f9;border-radius:2px;transition:all .3s ease}
.burger-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger-btn.open span:nth-child(2){opacity:0}
.burger-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* BOUTONS D'ACTION */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:10px;font-weight:700;font-size:15px;cursor:pointer;transition:all .25s ease;text-decoration:none;border:none;white-space:nowrap}
.btn-p{background:linear-gradient(135deg,#00f2fe 0%,#38bdf8 100%) !important;color:#041527 !important;box-shadow:0 4px 14px rgba(0,242,254,0.3)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,242,254,0.45);filter:brightness(1.05)}
.btn-g{background:rgba(255,255,255,0.04);border:1px solid var(--line);color:#e2e8f0 !important}
.btn-g:hover{background:rgba(255,255,255,0.08);border-color:var(--bl);color:#ffffff !important}

/* ================================================================= */
/* HERO SECTION                                                      */
/* ================================================================= */
.hero{padding:88px 0 68px;background:radial-gradient(circle at 12% 15%,rgba(0,242,254,0.12) 0%,transparent 45%),radial-gradient(circle at 88% 25%,rgba(129,140,248,0.1) 0%,transparent 40%)}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:2.5px;font-weight:700;color:var(--cy);border:1px solid rgba(0,242,254,0.3);background:rgba(0,242,254,0.08);padding:6px 16px;border-radius:999px;margin-bottom:24px}
h1{font-size:clamp(1.95rem,4.4vw,3.4rem);line-height:1.18;margin-bottom:20px;font-weight:800;letter-spacing:-0.5px}
.grad{background:linear-gradient(90deg,#00f2fe,#38bdf8,#818cf8);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.15rem;color:#cbd5e1;max-width:760px;margin-bottom:34px;line-height:1.65}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.link-subtle{color:var(--bl);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.link-subtle:hover{color:#ffffff;text-decoration:underline}

/* ================================================================= */
/* SECTIONS & CARTES                                                 */
/* ================================================================= */
section{padding:76px 0}
.alt{background:var(--bg2);border-block:1px solid var(--line)}
h2{font-size:2.1rem;margin-bottom:12px;font-weight:800;letter-spacing:-0.5px}
.sub{color:var(--mut);max-width:720px;margin-bottom:40px;font-size:1.05rem}
.grid{display:grid;gap:26px}
.g2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}

.card{background:var(--bg2);border:1px solid var(--line);border-radius:18px;padding:32px;display:flex;flex-direction:column;position:relative;transition:all .3s ease}
.alt .card{background:var(--bg)}
.card:hover{border-color:rgba(56,189,248,0.5);transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,0.3)}
.card h3{font-size:1.35rem;margin-bottom:10px;font-weight:700}
.card p{color:var(--mut);font-size:0.95rem;line-height:1.55}
.card ul{margin:16px 0 22px 20px;color:#cbd5e1;font-size:0.95rem;flex:1}
.card li{margin-bottom:8px}

.tag{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--cy);margin-bottom:12px}
.tag.e{color:var(--em)}.tag.p{color:var(--pu)}

.price{border-top:1px solid var(--line);padding-top:16px;margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.price small{display:block;color:var(--mut);font-size:12px;font-weight:500}
.price strong{font-size:1.25rem;font-weight:800;color:#ffffff}

.big{padding:36px;min-height:280px;justify-content:space-between}
.big.b{border-top:4px solid var(--cy)}.big.e{border-top:4px solid var(--em)}
.big .ico{font-size:2.4rem;margin-bottom:12px}

/* ================================================================= */
/* ENCADRÉS PARTENAIRES & NOTES                                     */
/* ================================================================= */
.box-partner{margin:36px 0 0;padding:24px 28px;border-radius:16px;background:linear-gradient(135deg,rgba(0,242,254,0.06) 0%,rgba(56,189,248,0.03) 100%);border:1px solid rgba(0,242,254,0.3);display:flex;align-items:center;gap:20px}
.box-partner-icon{font-size:2.4rem;flex-shrink:0}
.box-partner-text h4{color:#ffffff;font-size:1.15rem;margin-bottom:4px}
.box-partner-text p{color:#cbd5e1;font-size:0.95rem;margin:0}

.note{margin-top:32px;padding:18px 22px;border:1px solid rgba(251,191,36,0.3);background:rgba(251,191,36,0.06);border-radius:14px;color:#fde68a;font-size:0.92rem;line-height:1.6}

/* MÉTHODE 3 ÉTAPES */
.steps{counter-reset:s}
.steps .card::before{counter-increment:s;content:counter(s);width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--cy),var(--pu));color:#041527;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}

/* ================================================================= */
/* FORMULAIRE PROFESSIONNEL                                          */
/* ================================================================= */
form{display:grid;gap:16px;max-width:680px}
label{font-size:0.88rem;color:#cbd5e1;font-weight:600;margin-bottom:4px;display:block}
input,textarea,select{width:100%;padding:13px 16px;border-radius:10px;border:1px solid var(--line);background:rgba(7,11,20,0.85);color:var(--tx);font:inherit;transition:border-color .2s;font-size:15px}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--bl);box-shadow:0 0 0 3px rgba(56,189,248,0.15)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
#fb{font-size:0.95rem;min-height:24px}

.contact-box{display:grid;grid-template-columns:1fr 1.35fr;gap:48px}
.contact-box p{margin-bottom:12px;color:var(--mut)}.contact-box strong{color:var(--tx)}
.direct-card{background:rgba(255,255,255,0.03);padding:24px;border-radius:14px;border:1px solid var(--line);margin-top:24px}

/* ================================================================= */
/* FOOTER & MENTIONS                                                */
/* ================================================================= */
footer{padding:40px 0;border-top:1px solid var(--line);color:#64748b;font-size:0.9rem}
footer .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
footer a{color:#94a3b8}footer a:hover{color:#ffffff}
.legal h2{font-size:1.35rem;margin:32px 0 10px;color:#ffffff}.legal p{color:var(--mut);line-height:1.7}

/* ================================================================= */
/* OPTIMISATION RESPONSIVE SPÉCIFIQUE SMARTPHONE & TABLETTE         */
/* ================================================================= */
@media(max-width:960px){
  .container{padding:0 20px}
  .contact-box{grid-template-columns:1fr;gap:36px}
  .g3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
}

@media(max-width:820px){
  .nav{height:66px}
  .burger-btn{display:flex}
  
  /* Menu tiroir mobile */
  .nav-links{position:fixed;top:66px;left:0;right:0;background:#070b14fa;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line);flex-direction:column;padding:24px;gap:18px;display:none;z-index:55;box-shadow:0 20px 40px rgba(0,0,0,0.6)}
  .nav-links.open{display:flex}
  .nav-links a{font-size:1.05rem;width:100%;padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.04)}
  
  .nav-phone{padding:6px 10px;font-size:13px}
  .nav-header-btn{display:none !important} /* Masqué du header sur mobile pour alléger */
  .nav-links .nav-drawer-btn{display:inline-flex} /* Visible dans le tiroir déroulant */
  
  .hero{padding:54px 0 40px}
  h1{font-size:2.05rem;line-height:1.22}
  .lead{font-size:1.02rem;line-height:1.6;margin-bottom:26px}
  .hero-actions{flex-direction:column;align-items:flex-start;gap:16px;width:100%}
  .hero-actions .btn{width:100%;text-align:center}
  
  section{padding:56px 0}
  h2{font-size:1.75rem}
  .sub{font-size:0.98rem;margin-bottom:30px}
  
  .grid{gap:20px}
  .g2,.g3{grid-template-columns:1fr}
  
  .card{padding:24px;border-radius:16px}
  .big{padding:26px;min-height:auto}
  
  .box-partner{flex-direction:column;align-items:flex-start;padding:20px;gap:14px}
  .box-partner-icon{font-size:2rem}
  
  .row{grid-template-columns:1fr;gap:12px}
  input,textarea,select{padding:12px 14px;font-size:16px} /* 16px empêche le zoom forcé sur Safari iOS */
  
  .price{flex-direction:row;justify-content:space-between;align-items:center}
  .price strong{font-size:1.18rem}
  
  footer .container{flex-direction:column;align-items:flex-start;gap:12px}
}

@media(max-width:480px){
  .brand b{font-size:19px;letter-spacing:3px}
  .brand img{width:34px;height:34px}
  .nav-phone span.phone-text{display:none} /* Ne garde que l'icône et le numéro compact */
  h1{font-size:1.85rem}
  .card{padding:20px}
}