:root{--navy:#021327;--navy2:#061c37;--cyan:#14dff3;--cyan2:#0dbce7;--text:#f7fbff;--ink:#0b1b39;--muted:#617494;--line:#d9e4f0;--card:#fff;--shadow:0 18px 50px rgba(4,24,52,.15)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:#f7f9fc;color:var(--ink)}button,a{font:inherit}.shell{width:min(1280px,calc(100% - 48px));margin:auto}.site-header{height:72px;position:absolute;z-index:20;top:0;left:50%;transform:translateX(-50%);width:min(1280px,calc(100% - 48px));display:flex;align-items:center;gap:28px;color:#fff}.brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none;min-width:240px}.brand-icon,.cta-logo,.dialog-logo{display:grid;place-items:center;width:44px;height:44px;border:1px solid #19dff5;border-radius:12px;color:#50edff;font-weight:800;font-size:19px;background:linear-gradient(145deg,#073770,#04172f);box-shadow:0 0 22px rgba(0,220,255,.25),inset 0 0 18px rgba(0,220,255,.08)}.brand strong{display:block;font-size:20px}.brand 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h1{font-size:53px;line-height:.93;margin:15px 0 12px;letter-spacing:-.045em}.hero h1 span{color:#21d7ed}.hero p{font-size:15px;line-height:1.45;max-width:400px;color:#eff7ff}.hero-actions{display:flex;gap:12px;margin-top:22px}.hero-trust{display:flex;gap:18px;margin-top:16px}.hero-trust>div{display:grid;grid-template-columns:auto auto;column-gap:7px;align-items:center}.hero-trust span{font-size:21px;color:#12d9ef;grid-row:1/3}.hero-trust strong{font-size:10px}.hero-trust small{font-size:9px;color:#d6e5f5}.section{padding:34px 0}.section-light{background:#f7f9fc}.section-heading{text-align:left}.section h2{font-size:24px;margin:0 0 4px;letter-spacing:-.025em}.section-heading p,.devices-section p{color:#617494;margin:0 0 20px}.steps-grid{display:grid;grid-template-columns:1fr 28px 1fr 28px 1fr;align-items:center;gap:8px}.step-card{height:170px;background:white;border:1px solid #dbe4ef;border-radius:13px;display:grid;grid-template-columns:1fr 145px;overflow:hidden;box-shadow:0 8px 28px rgba(20,45,85,.06)}.step-copy{padding:18px;position:relative}.step-copy h3{font-size:15px;margin:0 0 9px;padding-left:32px}.step-copy p{font-size:12px;line-height:1.45;color:#456083;margin:0}.step-number{position:absolute;width:25px;height:25px;border-radius:50%;background:#187bdd;color:#fff;font-weight:800;display:grid;place-items:center}.step-card img{width:100%;height:100%;object-fit:cover;object-position:center}.arrow{font-size:34px;color:#14284c;text-align:center}.features-section{padding-top:8px}.features-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:11px;margin-top:16px}.features-grid article{background:white;border:1px solid #dbe4ef;border-radius:11px;padding:14px;display:flex;gap:10px;min-height:92px}.features-grid article>span{color:#108bd9;font-size:27px}.features-grid h3{font-size:12px;margin:0 0 4px}.features-grid p{font-size:10px;line-height:1.4;color:#617494;margin:0}.devices-section{padding-top:18px}.devices-grid{display:grid;grid-template-columns:.8fr 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p{margin:0;font-size:11px;line-height:1.4;color:#dce9f7}.cta-section{background:#fff;padding:0 0 22px}.cta-card{height:126px;border-radius:14px;position:relative;overflow:hidden;background:linear-gradient(100deg,#041a35,#052c51 55%,#08628e);display:grid;grid-template-columns:90px 1fr auto 40%;align-items:center;gap:16px;padding:18px 22px;color:#fff}.cta-logo{width:72px;height:72px;border-radius:18px;font-size:30px}.cta-copy h2{margin:0 0 5px;font-size:22px}.cta-copy p{margin:0;color:#d9e8f6;font-size:12px}.cta-card>.btn{z-index:2;white-space:nowrap}.cta-image{position:absolute;right:0;top:0;bottom:0;width:47%;background:url('assets/classroom.png') center/cover no-repeat}.cta-image:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#052c51 0%,rgba(5,44,81,.2) 35%,rgba(5,44,81,0))}.footer{background:#031427;color:#d2e0ee;padding:18px 0}.footer-inner{display:flex;align-items:center;gap:25px}.brand.mini{min-width:auto}.brand.mini .brand-icon{width:34px;height:34px;font-size:14px}.brand.mini strong{font-size:13px}.brand.mini small{font-size:8px}.footer p{font-size:10px;flex:1}.footer-links{display:flex;gap:16px}.footer-links button{background:none;border:0;color:#bfd0e0;font-size:10px;cursor:pointer}.access-dialog{border:0;padding:0;background:transparent}.access-dialog::backdrop{background:rgba(0,10,25,.72);backdrop-filter:blur(5px)}.dialog-card{width:min(440px,calc(100vw - 32px));background:linear-gradient(180deg,#073263,#03182f);color:white;padding:28px;border-radius:18px;border:1px solid rgba(78,212,248,.35);box-shadow:0 35px 100px rgba(0,0,0,.4);position:relative}.dialog-close{position:absolute;right:14px;top:10px;background:none;border:0;color:#fff;font-size:26px;cursor:pointer}.dialog-logo{margin-bottom:14px}.dialog-card h2{margin:0 0 6px}.dialog-card>p{font-size:12px;line-height:1.5;color:#c9def2}.qr-demo{width:145px;height:145px;margin:18px auto;border-radius:14px;background:white;padding:14px;position:relative;box-shadow:0 0 35px rgba(15,225,248,.35)}.qr-demo span{display:block;width:100%;height:100%;background:repeating-conic-gradient(#000 0 25%,#fff 0 50%) 0/22px 22px;filter:contrast(180%)}.dialog-card label{display:block;font-size:11px;margin-bottom:6px}.dialog-card input{width:100%;height:48px;border-radius:9px;border:1px solid #1f8fc2;background:#041c38;color:#64ebff;text-align:center;font-size:18px;font-weight:800;letter-spacing:.08em;outline:none}.dialog-card input:focus{border-color:#20e5f5;box-shadow:0 0 0 3px rgba(32,229,245,.14)}.full{width:100%;margin-top:12px}.form-note{font-size:10px!important;text-align:center}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#061a32;color:#fff;border:1px solid #1cd7ef;border-radius:999px;padding:10px 18px;font-size:12px;z-index:99;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1050px){.main-nav{display:none}.menu-toggle{display:block}.header-cta{margin-left:auto}.hero{height:620px}.hero-photo{background-position:60% center}.features-grid{grid-template-columns:repeat(3,1fr)}.devices-grid{grid-template-columns:1fr}.devices-grid img{max-height:430px}.cta-card{grid-template-columns:70px 1fr auto}.cta-image{opacity:.28;width:100%}.cta-copy,.cta-logo,.cta-card>.btn{z-index:2}}
@media(max-width:760px){.shell,.site-header{width:min(100% - 28px,1280px)}.site-header{height:64px}.brand{min-width:0}.brand strong{font-size:16px}.brand small{font-size:9px}.header-cta{display:none}.hero{height:auto;min-height:760px}.hero-photo{background-position:62% top}.hero-overlay{background:linear-gradient(180deg,rgba(1,15,31,.82),rgba(1,15,31,.76) 50%,#03182f 78%)}.hero-content{padding-top:90px;padding-bottom:36px}.hero-copy{width:100%;max-width:470px}.hero h1{font-size:49px}.hero p{max-width:370px}.hero-trust{flex-wrap:wrap}.steps-grid{grid-template-columns:1fr;gap:14px}.arrow{display:none}.step-card{height:190px}.features-grid{grid-template-columns:repeat(2,1fr)}.audience-grid{grid-template-columns:1fr}.audience-grid article{height:150px}.cta-card{height:auto;min-height:190px;grid-template-columns:70px 1fr;padding:22px}.cta-card>.btn{grid-column:1/-1}.cta-image{opacity:.18}.footer-inner{flex-wrap:wrap}.footer-links{width:100%}}
@media(max-width:480px){.hero h1{font-size:42px}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .btn{width:100%}.hero-trust{display:grid;grid-template-columns:1fr 1fr}.step-card{grid-template-columns:1fr 120px}.features-grid{grid-template-columns:1fr}.cta-card{grid-template-columns:1fr}.cta-logo{display:none}.cta-copy h2{font-size:19px}}

/* Logo QT en image (remplace le texte) */
.brand-icon,.cta-logo,.dialog-logo{color:transparent!important;background:url('/taker/assets/logo-qt.png') center/cover!important;border-color:transparent!important;box-shadow:0 0 22px rgba(0,220,255,.25)!important}