*{margin:0;padding:0;box-sizing:border-box}
:root{
  --gtc-dark:#0A0E1A;
  --gtc-darker:#060912;
  --gtc-blue:#1565FF;
  --gtc-blue-dim:#0D47C4;
  --gtc-cyan:#00D4FF;
  --gtc-cyan-dim:#00A8CC;
  --gtc-surface:#111827;
  --gtc-surface2:#1A2235;
  --gtc-surface3:#232D45;
  --gtc-border:#2A3655;
  --gtc-text:#F0F4FF;
  --gtc-muted:#8899BB;
  --gtc-accent:#FF6B35;
  --gtc-gold:#D4A24C;
  --gtc-green:#00C896;
  --font-head:'Space Grotesk',sans-serif;
  --font-body:'Inter',sans-serif;
}
html{scroll-behavior:smooth}
body{background:var(--gtc-dark);color:var(--gtc-text);font-family:var(--font-body);font-size:16px;line-height:1.6;overflow-x:hidden}
a{color:inherit}
img{max-width:100%;display:block}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,14,26,0.92);backdrop-filter:blur(20px);border-bottom:1px solid var(--gtc-border);padding:0 2rem}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-logo img{height:42px;width:42px;border-radius:50%}
.nav-logo-text{font-family:var(--font-head);font-size:1.1rem;font-weight:700;color:var(--gtc-text);letter-spacing:-0.02em;line-height:1.1}
.nav-logo-text span{display:block;font-size:0.65rem;color:var(--gtc-cyan);font-weight:500;letter-spacing:0.08em;text-transform:uppercase}
.nav-links{display:flex;gap:2rem;list-style:none}
.nav-links a{color:var(--gtc-muted);text-decoration:none;font-size:0.875rem;font-weight:500;transition:color 0.2s}
.nav-links a:hover{color:var(--gtc-cyan)}
.nav-cta{background:var(--gtc-blue);color:#fff;padding:8px 20px;border-radius:8px;font-size:0.875rem;font-weight:600;text-decoration:none;transition:background 0.2s;border:none;cursor:pointer;font-family:var(--font-body)}
.nav-cta:hover{background:var(--gtc-blue-dim)}
.mobile-toggle{display:none;background:none;border:none;color:var(--gtc-text);font-size:24px;cursor:pointer}

/* SECTIONS */
section{padding:100px 2rem}
.container{max-width:1200px;margin:0 auto}
.section-label{font-size:0.75rem;font-weight:600;letter-spacing:0.15em;text-transform:uppercase;color:var(--gtc-cyan);margin-bottom:1rem}
.section-title{font-family:var(--font-head);font-size:2.5rem;font-weight:700;line-height:1.15;letter-spacing:-0.03em;color:var(--gtc-text);margin-bottom:1rem}
.section-sub{font-size:1.1rem;color:var(--gtc-muted);max-width:600px;line-height:1.7}

.btn-primary{background:var(--gtc-blue);color:#fff;padding:14px 28px;border-radius:10px;font-weight:600;font-size:0.95rem;text-decoration:none;border:none;cursor:pointer;font-family:var(--font-body);transition:background 0.2s;display:inline-flex;align-items:center;gap:8px}
.btn-primary:hover{background:var(--gtc-blue-dim)}
.btn-outline{background:transparent;color:var(--gtc-text);padding:14px 28px;border-radius:10px;font-weight:600;font-size:0.95rem;text-decoration:none;border:1px solid var(--gtc-border);cursor:pointer;font-family:var(--font-body);transition:border-color 0.2s,color 0.2s;display:inline-flex;align-items:center;gap:8px}
.btn-outline:hover{border-color:var(--gtc-cyan);color:var(--gtc-cyan)}

/* BREADCRUMB (pages service) */
.breadcrumb{padding:120px 2rem 0;max-width:1200px;margin:0 auto;font-size:0.85rem;color:var(--gtc-muted)}
.breadcrumb a{color:var(--gtc-muted);text-decoration:none}
.breadcrumb a:hover{color:var(--gtc-cyan)}
.breadcrumb span{color:var(--gtc-text)}

/* SERVICE PAGE HERO */
.service-hero{padding:60px 2rem 80px;position:relative;overflow:hidden}
.service-hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 70% 30%,rgba(21,101,255,0.12) 0%,transparent 70%)}
.service-hero-inner{max-width:1200px;margin:0 auto;position:relative;z-index:1;display:grid;grid-template-columns:1fr 380px;gap:3rem;align-items:start}
.service-icon-big{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;font-size:30px}
.service-h1{font-family:var(--font-head);font-size:2.75rem;font-weight:700;line-height:1.1;letter-spacing:-0.03em;color:var(--gtc-text);margin-bottom:1rem}
.service-tagline{font-size:1.15rem;color:var(--gtc-muted);line-height:1.7;max-width:560px;margin-bottom:2rem}
.service-quickfacts{background:var(--gtc-surface);border:1px solid var(--gtc-border);border-radius:16px;padding:1.5rem;position:relative;overflow:hidden}
.service-quickfacts::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--gtc-blue),var(--gtc-cyan))}
.qf-title{font-family:var(--font-head);font-size:0.75rem;font-weight:600;color:var(--gtc-muted);margin-bottom:1.1rem;text-transform:uppercase;letter-spacing:0.08em}
.qf-row{display:flex;justify-content:space-between;align-items:center;padding:0.7rem 0;border-bottom:1px solid var(--gtc-border);font-size:0.875rem}
.qf-row:last-child{border-bottom:none}
.qf-row span:first-child{color:var(--gtc-muted)}
.qf-row span:last-child{color:var(--gtc-text);font-weight:600;text-align:right}

/* WHY / BIEN-FONDE */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;margin-top:3rem}
.why-card{background:var(--gtc-surface);border:1px solid var(--gtc-border);border-radius:14px;padding:1.75rem}
.why-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:1.1rem;font-size:20px;background:rgba(0,212,255,0.12);color:var(--gtc-cyan)}
.why-title{font-family:var(--font-head);font-size:1.05rem;font-weight:600;color:var(--gtc-text);margin-bottom:0.6rem}
.why-desc{font-size:0.9rem;color:var(--gtc-muted);line-height:1.65}

/* AVANTAGES */
#avantages{background:var(--gtc-surface)}
.adv-list{display:flex;flex-direction:column;gap:1rem;margin-top:3rem;max-width:780px}
.adv-item{display:flex;gap:1.1rem;align-items:flex-start;background:var(--gtc-dark);border:1px solid var(--gtc-border);border-radius:12px;padding:1.25rem 1.5rem}
.adv-check{width:32px;height:32px;border-radius:50%;background:rgba(0,200,150,0.12);color:var(--gtc-green);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px;margin-top:2px}
.adv-text strong{display:block;color:var(--gtc-text);font-size:0.97rem;margin-bottom:0.25rem}
.adv-text span{color:var(--gtc-muted);font-size:0.875rem;line-height:1.6}

/* ETAPES */
#etapes{background:var(--gtc-dark)}
.steps-track{margin-top:3rem;display:flex;flex-direction:column;gap:0}
.step-row{display:grid;grid-template-columns:60px 1fr;gap:1.5rem;position:relative;padding-bottom:2.5rem}
.step-row:last-child{padding-bottom:0}
.step-num-col{display:flex;flex-direction:column;align-items:center}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--gtc-blue);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-weight:700;font-size:1rem;flex-shrink:0;z-index:1}
.step-connector{flex:1;width:2px;background:var(--gtc-border);margin-top:6px}
.step-row:last-child .step-connector{display:none}
.step-content{padding-top:6px}
.step-title2{font-family:var(--font-head);font-size:1.05rem;font-weight:600;color:var(--gtc-text);margin-bottom:0.4rem}
.step-desc{font-size:0.9rem;color:var(--gtc-muted);line-height:1.65;max-width:600px}

/* FORMATION LIEE */
#formation-liee{background:var(--gtc-surface)}
.training-box{background:linear-gradient(135deg,rgba(212,162,76,0.12),rgba(21,101,255,0.06));border:1px solid rgba(212,162,76,0.3);border-radius:18px;padding:2.5rem;margin-top:3rem;display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:center}
.training-icon{width:56px;height:56px;border-radius:14px;background:rgba(212,162,76,0.18);color:var(--gtc-gold);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:1rem}
.training-title{font-family:var(--font-head);font-size:1.3rem;font-weight:700;color:var(--gtc-text);margin-bottom:0.6rem}
.training-desc{font-size:0.92rem;color:var(--gtc-muted);line-height:1.7;max-width:560px}
.training-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:1rem}
.training-tag{background:var(--gtc-surface2);border:1px solid var(--gtc-border);color:var(--gtc-text);padding:5px 12px;border-radius:6px;font-size:0.8rem}

/* RELATED SERVICES */
#voir-aussi{background:var(--gtc-dark)}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;margin-top:3rem}
.related-card{background:var(--gtc-surface);border:1px solid var(--gtc-border);border-radius:12px;padding:1.4rem;text-decoration:none;transition:border-color 0.2s,transform 0.2s;display:block}
.related-card:hover{border-color:var(--gtc-cyan);transform:translateY(-2px)}
.related-icon{width:38px;height:38px;border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:0.9rem;font-size:18px;background:rgba(21,101,255,0.15);color:var(--gtc-blue)}
.related-name{font-family:var(--font-head);font-size:0.95rem;font-weight:600;color:var(--gtc-text);margin-bottom:0.4rem}
.related-desc{font-size:0.82rem;color:var(--gtc-muted);line-height:1.5}

/* CTA FINAL */
.cta-final{background:var(--gtc-surface)}
.cta-box{background:linear-gradient(135deg,rgba(21,101,255,0.15),rgba(0,212,255,0.08));border:1px solid rgba(21,101,255,0.3);border-radius:20px;padding:3.5rem 3rem;text-align:center;position:relative;overflow:hidden}
.cta-title{font-family:var(--font-head);font-size:2.1rem;font-weight:700;color:var(--gtc-text);letter-spacing:-0.03em;margin-bottom:1rem}
.cta-sub{font-size:1rem;color:var(--gtc-muted);max-width:520px;margin:0 auto 2rem}
.cta-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* FOOTER */
footer{background:var(--gtc-darker);border-top:1px solid var(--gtc-border);padding:3rem 2rem 6rem}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:2.5rem}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand img{height:46px;width:46px;border-radius:50%}
.footer-brand-text{font-family:var(--font-head);font-weight:700;font-size:1.1rem;color:var(--gtc-text)}
.footer-brand p{font-size:0.875rem;color:var(--gtc-muted);line-height:1.7;margin-top:0.9rem;max-width:280px}
.footer-col h4{font-family:var(--font-head);font-size:0.85rem;font-weight:600;color:var(--gtc-text);margin-bottom:1rem;text-transform:uppercase;letter-spacing:0.08em}
.footer-col a{display:block;font-size:0.85rem;color:var(--gtc-muted);text-decoration:none;margin-bottom:0.5rem;transition:color 0.2s}
.footer-col a:hover{color:var(--gtc-cyan)}
.footer-bottom{border-top:1px solid var(--gtc-border);padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.footer-copy{font-size:0.8rem;color:var(--gtc-muted)}
.footer-tagline{font-size:0.8rem;color:var(--gtc-muted);font-style:italic}

/* BACK TO TOP */
#backToTop{position:fixed;bottom:24px;right:24px;width:48px;height:48px;border-radius:50%;background:var(--gtc-surface3);border:1px solid var(--gtc-border);color:var(--gtc-text);display:flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:all 0.3s;z-index:998;box-shadow:0 4px 16px rgba(0,0,0,0.3)}
#backToTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#backToTop:hover{background:var(--gtc-blue);border-color:var(--gtc-blue)}

/* WHATSAPP CHATBOX */
.wa-float-btn{position:fixed;bottom:24px;left:24px;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;font-size:28px;color:#fff;cursor:pointer;z-index:999;box-shadow:0 4px 20px rgba(37,211,102,0.45);transition:transform 0.2s;border:none}
.wa-float-btn:hover{transform:scale(1.08)}
.wa-pulse{position:absolute;inset:0;border-radius:50%;background:#25D366;animation:wa-ping 2s infinite}
@keyframes wa-ping{0%{transform:scale(1);opacity:0.6}100%{transform:scale(1.6);opacity:0}}
.wa-panel{position:fixed;bottom:92px;left:24px;width:320px;background:var(--gtc-surface);border:1px solid var(--gtc-border);border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,0.5);z-index:999;overflow:hidden;display:none;flex-direction:column;font-family:var(--font-body)}
.wa-panel.open{display:flex}
.wa-panel-header{background:#25D366;padding:1rem 1.25rem;display:flex;align-items:center;gap:10px;color:#fff}
.wa-panel-header img{width:36px;height:36px;border-radius:50%;background:#fff}
.wa-panel-header-text strong{display:block;font-size:0.9rem}
.wa-panel-header-text span{font-size:0.75rem;opacity:0.9;display:flex;align-items:center;gap:4px}
.wa-online-dot{width:7px;height:7px;background:#baffc9;border-radius:50%;display:inline-block}
.wa-panel-close{margin-left:auto;background:none;border:none;color:#fff;font-size:20px;cursor:pointer;opacity:0.85}
.wa-panel-body{padding:1.1rem 1.25rem;background:var(--gtc-surface2)}
.wa-bubble{background:var(--gtc-dark);border-radius:10px;padding:0.85rem 1rem;font-size:0.85rem;color:var(--gtc-text);line-height:1.55;margin-bottom:1rem;position:relative}
.wa-panel-footer{padding:0.9rem 1.25rem;background:var(--gtc-surface)}
.wa-go-btn{background:#25D366;color:#fff;width:100%;padding:11px;border-radius:8px;border:none;font-family:var(--font-head);font-weight:700;font-size:0.9rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;transition:background 0.2s}
.wa-go-btn:hover{background:#1da851}

@media(max-width:900px){
  .service-hero-inner{grid-template-columns:1fr}
}
@media(max-width:768px){
  nav{padding:0 1rem}
  .nav-links{display:none}
  section{padding:60px 1rem}
  .section-title{font-size:1.75rem}
  .service-h1{font-size:2rem}
  .footer-top{grid-template-columns:1fr 1fr;gap:2rem}
  .cta-title{font-size:1.6rem}
  .training-box{grid-template-columns:1fr}
  .wa-panel{width:88vw;left:6vw}
  .wa-float-btn{left:16px;bottom:16px}
  #backToTop{right:16px;bottom:16px}
}