:root{
  --ink:#0B1424;
  --navy:#071A3E;
  --white:#FFFFFF;
  --cloud:#F5F7FB;
  --mist:#E6EAF2;
  --slate:#5A6478;
  --blue:#3E6AEF;
  --blue-dark:#2B51C9;
  --violet:#6C4CF1;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 8px 30px rgba(11,20,36,.08);
  --shadow-lg:0 20px 60px rgba(11,20,36,.12);
  --font-display:'Sora',sans-serif;
  --font-body:'Instrument Sans',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.15;letter-spacing:-0.02em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.7rem,3.5vw,2.5rem);font-weight:700}
h3{font-size:1.2rem;font-weight:600}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
section{padding:96px 0}
.eyebrow{display:inline-block;font-family:var(--font-display);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--blue);background:rgba(62,106,239,.08);padding:6px 14px;border-radius:100px;margin-bottom:20px}
.section-head{max-width:680px;margin-bottom:56px}
.section-head p{color:var(--slate);margin-top:16px;font-size:1.1rem}
.center{text-align:center}
.center.section-head{margin-left:auto;margin-right:auto}

/* Boutons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-weight:600;font-size:1rem;padding:15px 30px;border-radius:100px;border:none;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 20px rgba(62,106,239,.35)}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 28px rgba(62,106,239,.45)}
.btn-secondary{background:transparent;color:var(--ink);border:1.5px solid var(--mist)}
.btn-secondary:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{color:var(--navy);transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.25)}

/* Navigation */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--mist);transition:box-shadow .3s}
nav.scrolled{box-shadow:0 4px 20px rgba(11,20,36,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{font-family:var(--font-display);font-weight:700;font-size:1.4rem;letter-spacing:-0.02em;display:flex;align-items:center}
.logo span{color:var(--blue)}
.logo-img{height:34px;width:auto;display:block}
.logo-img-footer{height:30px}
.nav-links{display:flex;gap:32px;align-items:center;list-style:none}
.nav-links a{font-weight:500;font-size:.95rem;color:var(--slate);transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a.nav-cta{color:#fff}
.nav-links a.nav-cta:hover{color:#fff}
.nav-cta{padding:11px 22px;font-size:.9rem;color:#fff}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.3s}

/* Hero */
.hero{padding:170px 0 100px;background:linear-gradient(180deg,#F8FAFF 0%,#FFFFFF 100%);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(62,106,239,.08),transparent 70%);border-radius:50%}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;position:relative}
.hero h1{margin-bottom:22px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--blue),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:1.18rem;color:var(--slate);margin-bottom:34px;max-width:540px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-proof{display:flex;align-items:center;gap:10px;color:var(--slate);font-size:.95rem}
.hero-proof svg{flex-shrink:0}

/* Élément signature : simulation d'appel */
.call-demo{background:#fff;border:1px solid var(--mist);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:28px;max-width:440px;margin-left:auto}
.call-header{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--mist);margin-bottom:18px}
.call-dot{width:10px;height:10px;border-radius:50%;background:#22C55E;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(34,197,94,.4)}50%{box-shadow:0 0 0 7px rgba(34,197,94,0)}}
.call-header-txt{flex:1}
.call-header strong{font-family:var(--font-display);font-size:.95rem}
.call-header small{color:var(--slate);display:block;font-size:.8rem}
.call-wave{display:flex;align-items:center;gap:3px;height:26px}
.call-wave span{width:3px;border-radius:2px;background:var(--blue);animation:wave 1.1s ease-in-out infinite}
.call-wave span:nth-child(1){height:10px;animation-delay:0s}
.call-wave span:nth-child(2){height:18px;animation-delay:.15s}
.call-wave span:nth-child(3){height:24px;animation-delay:.3s}
.call-wave span:nth-child(4){height:16px;animation-delay:.45s}
.call-wave span:nth-child(5){height:9px;animation-delay:.6s}
@keyframes wave{0%,100%{transform:scaleY(.5)}50%{transform:scaleY(1)}}
@keyframes rise{to{opacity:1;transform:translateY(0)}}
.call-steps{display:flex;flex-direction:column;gap:10px}
.call-step{display:flex;align-items:center;gap:12px;background:var(--cloud);border:1px solid var(--mist);border-radius:12px;padding:11px 14px;font-size:.9rem;color:var(--ink);opacity:0;transform:translateY(8px);animation:rise .4s ease forwards}
.call-step .cs-icon{flex-shrink:0;width:30px;height:30px;border-radius:9px;background:#fff;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center}
.call-step.ok{background:rgba(34,197,94,.07);border-color:rgba(34,197,94,.25);color:#15803D}
.call-step.s1{animation-delay:.3s}
.call-step.s2{animation-delay:.9s}
.call-step.s3{animation-delay:1.5s}
.call-step.s4{animation-delay:2.1s}

/* Problèmes */
.problem-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.problem-card{background:var(--cloud);border-radius:var(--radius);padding:26px;display:flex;gap:16px;align-items:flex-start;transition:transform .2s}
.problem-card:hover{transform:translateY(-3px)}
.problem-card .pic{flex-shrink:0;width:42px;height:42px;border-radius:12px;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.problem-card p{font-size:.95rem;color:var(--slate);margin-top:4px}
.problem-card strong{font-family:var(--font-display);font-size:1rem;font-weight:600}

/* Solution : le flux d'un appel */
.solution{background:var(--navy);color:#fff}
.solution .eyebrow{background:rgba(255,255,255,.1);color:#9DB4FF}
.solution .section-head p{color:#AAB6CE}
.flow{max-width:760px;margin:0 auto;position:relative}
.flow::before{content:'';position:absolute;left:25px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--blue),var(--violet))}
.flow-step{display:flex;gap:24px;align-items:flex-start;padding:18px 0;position:relative}
.flow-step.reveal{transition-property:opacity,transform}
.flow-num{flex-shrink:0;width:52px;height:52px;border-radius:50%;background:var(--navy);border:2px solid var(--blue);color:#fff;font-family:var(--font-display);font-weight:700;display:flex;align-items:center;justify-content:center;position:relative;z-index:1}
.flow-step:last-child .flow-num{background:linear-gradient(135deg,var(--blue),var(--violet));border:none}
.flow-step h3{font-size:1.05rem;margin-bottom:6px;padding-top:12px}
.flow-step p{color:#AAB6CE;font-size:.95rem}

/* Services */
.services{background:var(--cloud)}
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.service-card{background:#fff;border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.service-card:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(11,20,36,.1)}
.service-icon{width:52px;height:52px;border-radius:14px;background:rgba(62,106,239,.08);display:flex;align-items:center;justify-content:center;margin-bottom:22px}
.service-card h3{margin-bottom:12px}
.service-card>p{color:var(--slate);font-size:.97rem;margin-bottom:20px}
.service-card ul{list-style:none;margin-top:auto}
.service-card li{display:flex;gap:10px;align-items:flex-start;font-size:.93rem;color:var(--ink);padding:7px 0}
.service-card li svg{flex-shrink:0;margin-top:3px}

/* Démo en direct */
.live-demo{background:linear-gradient(135deg,var(--navy) 0%,#12275C 60%,#1E2E77 100%);color:#fff;position:relative;overflow:hidden}
.live-demo::before{content:'';position:absolute;top:-150px;left:50%;transform:translateX(-50%);width:700px;height:400px;background:radial-gradient(ellipse,rgba(62,106,239,.3),transparent 70%)}
.live-demo .eyebrow{background:rgba(255,255,255,.12);color:#B7C6FF}
.live-demo .section-head p{color:#C4CEE6}
.demo-card{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(8px);border-radius:var(--radius-lg);padding:48px 40px;max-width:560px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px}
.demo-mic{width:76px;height:76px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--violet));display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 0 rgba(62,106,239,.5);animation:micPulse 2.2s infinite}
@keyframes micPulse{0%{box-shadow:0 0 0 0 rgba(62,106,239,.45)}70%{box-shadow:0 0 0 22px rgba(62,106,239,0)}100%{box-shadow:0 0 0 0 rgba(62,106,239,0)}}
.demo-card h3{font-size:1.4rem}
.demo-card p{color:#C4CEE6;font-size:1rem;max-width:420px}
.demo-card .btn{margin-top:8px}
.demo-note{font-size:.85rem;color:#8B99BC}
.demo-phrases{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:4px}
.demo-phrases-label{width:100%;font-family:var(--font-display);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:#8B99BC;margin-bottom:4px}
.phrase{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:100px;padding:8px 16px;font-size:.85rem;color:#DDE4F5;transition:background .2s,border-color .2s}
.phrase:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.35)}

/* Processus */
.process-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.process-card{background:#fff;border:1.5px solid var(--mist);border-radius:var(--radius);padding:30px;transition:border-color .2s,transform .2s}
.process-card:hover{border-color:var(--blue);transform:translateY(-3px)}
.process-num{font-family:var(--font-display);font-size:.85rem;font-weight:700;color:var(--blue);background:rgba(62,106,239,.08);width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.process-card h3{font-size:1.05rem;margin-bottom:10px}
.process-card p{font-size:.93rem;color:var(--slate)}

/* Cas d'usage */
.usecases{background:var(--cloud)}
.usecase-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:22px}
.usecase-card{background:#fff;border:1.5px solid var(--mist);border-radius:var(--radius-lg);padding:30px;transition:border-color .2s,transform .2s}
.usecase-card:hover{border-color:var(--blue);transform:translateY(-4px)}
.usecase-tag{display:inline-block;font-family:var(--font-display);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--violet);background:rgba(108,76,241,.08);padding:5px 12px;border-radius:100px;margin-bottom:16px}
.usecase-card h3{margin-bottom:10px;font-size:1.1rem}
.usecase-card p{font-size:.94rem;color:var(--slate)}

/* Bénéfices */
.benefit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.benefit-item{background:#fff;border:1.5px solid var(--mist);border-radius:var(--radius);padding:22px 26px;display:flex;align-items:center;gap:16px;font-weight:500;font-size:.98rem;transition:transform .2s,border-color .2s}
.benefit-item:hover{transform:translateY(-3px);border-color:var(--blue)}
.benefit-item .bic{flex-shrink:0;width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,rgba(62,106,239,.1),rgba(108,76,241,.1));display:flex;align-items:center;justify-content:center}

/* Offre */
.offer{background:linear-gradient(135deg,var(--navy) 0%,#12275C 60%,#1E2E77 100%);color:#fff;border-radius:var(--radius-lg);padding:72px 48px;text-align:center;position:relative;overflow:hidden}
.offer::before{content:'';position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:500px;height:300px;background:radial-gradient(ellipse,rgba(62,106,239,.35),transparent 70%)}
.offer h2{margin-bottom:18px;position:relative}
.offer p{color:#C4CEE6;max-width:620px;margin:0 auto 34px;font-size:1.12rem;position:relative}
.offer .btn{position:relative}
.offer-note{font-size:.88rem;color:#8B99BC;margin-top:18px;position:relative}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border:1.5px solid var(--mist);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:border-color .2s}
.faq-item.open{border-color:var(--blue)}
.faq-q{width:100%;background:none;border:none;text-align:left;font-family:var(--font-display);font-size:1.02rem;font-weight:600;color:var(--ink);padding:22px 26px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q svg{flex-shrink:0;transition:transform .3s}
.faq-item.open .faq-q svg{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 26px 22px;color:var(--slate);font-size:.96rem}

/* Contact */
.contact{background:var(--cloud)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.contact-info h2{margin-bottom:16px}
.contact-info>p{color:var(--slate);margin-bottom:30px}
.contact-line{display:flex;align-items:center;gap:14px;margin-bottom:18px;font-weight:500}
.contact-line .cic{width:42px;height:42px;border-radius:12px;background:#fff;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-form{background:#fff;border-radius:var(--radius-lg);padding:38px;box-shadow:var(--shadow-lg)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--font-display);font-size:.85rem;font-weight:600;margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;padding:13px 16px;border:1.5px solid var(--mist);border-radius:12px;font-family:var(--font-body);font-size:.95rem;color:var(--ink);background:#fff;transition:border-color .2s;outline:none}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue)}
.field textarea{resize:vertical;min-height:110px}
.form-success{display:none;background:rgba(34,197,94,.08);border:1px solid rgba(34,197,94,.3);color:#15803D;padding:16px;border-radius:12px;font-weight:500;margin-top:16px}

/* Footer */
footer{background:var(--ink);color:#8B99BC;padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-grid .logo{color:#fff;margin-bottom:14px;display:block}
.footer-grid p{font-size:.92rem;max-width:280px}
.footer-grid h4{font-family:var(--font-display);color:#fff;font-size:.95rem;margin-bottom:16px}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:10px}
.footer-grid a{font-size:.92rem;transition:color .2s}
.footer-grid a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:28px;text-align:center;font-size:.85rem}

/* Animations d'apparition */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s ease,transform .45s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* Entrée du hero en cascade */
@keyframes heroIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.hero .eyebrow{animation:heroIn .5s ease .05s both}
.hero h1{animation:heroIn .55s ease .15s both}
.hero-sub{animation:heroIn .55s ease .28s both}
.hero-ctas{animation:heroIn .55s ease .4s both}
.hero-proof{animation:heroIn .55s ease .52s both}
.call-demo{animation:heroIn .6s ease .35s both}

/* Halo du hero qui respire doucement */
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-30px,20px) scale(1.08)}}
.hero::before{animation:drift 14s ease-in-out infinite}

/* Reflet lumineux sur les boutons principaux */
.btn{position:relative;overflow:hidden}
.btn-primary::after,.btn-light::after{content:'';position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);transition:left .55s ease}
.btn-primary:hover::after,.btn-light:hover::after{left:130%}

/* Soulignement animé des liens de navigation */
.nav-links a:not(.nav-cta){position:relative}
.nav-links a:not(.nav-cta)::after{content:'';position:absolute;left:0;bottom:-4px;width:100%;height:2px;background:var(--blue);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-links a:not(.nav-cta):hover::after{transform:scaleX(1)}

/* Micro-interactions sur les icônes de cartes */
.service-icon,.sol-icon,.process-num,.demo-icon,.cic,.bic,.pic{transition:transform .25s ease}
.service-card:hover .service-icon{transform:scale(1.08) rotate(-4deg)}
.problem-card:hover .pic{transform:scale(1.08)}
.benefit-item:hover .bic{transform:scale(1.1) rotate(5deg)}
.process-card:hover .process-num{transform:scale(1.1)}
.usecase-card:hover .usecase-tag{background:rgba(108,76,241,.16)}
.usecase-tag{transition:background .25s ease}

/* Anneaux du micro de la démo */
.demo-mic{position:relative}
.demo-mic::before,.demo-mic::after{content:'';position:absolute;inset:-10px;border:1.5px solid rgba(62,106,239,.35);border-radius:50%;animation:ring 2.2s ease-out infinite}
.demo-mic::after{animation-delay:1.1s}
@keyframes ring{0%{transform:scale(.85);opacity:0}25%{opacity:1}100%{transform:scale(1.5);opacity:0}}

/* Flèche des étapes du flux qui s'illumine au survol */
.flow-num{transition:transform .25s ease,box-shadow .25s ease}
.flow-step:hover .flow-num{transform:scale(1.08);box-shadow:0 0 0 6px rgba(62,106,239,.15)}

@media (prefers-reduced-motion: reduce){
  *,.reveal{animation:none!important;transition:none!important;opacity:1!important;transform:none!important}
  html{scroll-behavior:auto}
}

/* Sélecteur de langue */
.nav-inner .nav-links{margin-left:auto}
.lang-switch{position:relative;margin-left:20px;flex-shrink:0}
.lang-btn{display:flex;align-items:center;gap:7px;background:#fff;border:1.5px solid var(--mist);border-radius:100px;padding:8px 14px;font-family:var(--font-display);font-size:.82rem;font-weight:600;color:var(--ink);cursor:pointer;transition:border-color .2s}
.lang-btn:hover{border-color:var(--blue)}
.lang-btn .chev{transition:transform .25s}
.lang-switch.open .chev{transform:rotate(180deg)}
.lang-menu{position:absolute;top:calc(100% + 10px);right:0;background:#fff;border:1px solid var(--mist);border-radius:14px;box-shadow:var(--shadow-lg);padding:6px;min-width:190px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s,transform .2s,visibility .2s;z-index:110}
.lang-switch.open .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu button{display:flex;align-items:center;gap:10px;width:100%;background:none;border:none;border-radius:10px;padding:10px 12px;font-family:var(--font-body);font-size:.92rem;font-weight:500;color:var(--ink);cursor:pointer;text-align:left;transition:background .15s}
.lang-menu button:hover{background:var(--cloud)}
.lang-menu button.active{background:rgba(62,106,239,.08);color:var(--blue);font-weight:600}
.lang-flag{border-radius:3px;flex-shrink:0;display:block}

/* Barre CTA fixe mobile */
.mobile-cta{display:none}

/* Responsive */
@media (max-width:900px){
  section{padding:64px 0}
  .hero{padding:118px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .call-demo{margin:0 auto}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{position:fixed;top:76px;right:0;height:calc(100vh - 76px);width:min(320px,80vw);background:#fff;flex-direction:column;align-items:flex-start;padding:32px;gap:24px;transform:translateX(100%);transition:transform .3s ease;box-shadow:-10px 0 40px rgba(11,20,36,.1);overflow-y:auto}
  .nav-links.open{transform:translateX(0)}
  .burger{display:block}
  .lang-switch{margin-left:auto;margin-right:12px}

  /* Barre CTA fixe en bas, mobile/tablette seulement.
     Cachée au chargement, elle glisse en douceur dès qu'on défile. */
  .mobile-cta{display:flex;justify-content:center;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:99;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-top:1px solid var(--mist);box-shadow:0 -6px 24px rgba(11,20,36,.08);transform:translateY(110%);transition:transform .45s cubic-bezier(.22,.9,.3,1)}
  .mobile-cta.visible{transform:translateY(0)}
  .mobile-cta .btn{flex:0 1 380px;justify-content:center;padding:13px 10px;font-size:.92rem;white-space:nowrap}
  body{padding-bottom:70px}
  footer{padding-bottom:96px}
}
@media (max-width:560px){
  section{padding:52px 0}
  .hero{padding:106px 0 44px}
  h1{font-size:clamp(1.85rem,7.5vw,2.3rem)}
  .hero-sub{font-size:1.05rem;margin-bottom:26px}
  .section-head{margin-bottom:36px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .offer{padding:48px 22px}
  .demo-card{padding:36px 22px}
  .btn{width:100%;justify-content:center}
  .hero-ctas .btn{width:100%}
  .flow::before{left:21px}
  .flow-num{width:44px;height:44px}
  /* Simulation d'appel plus compacte */
  .call-demo{padding:20px}
  .call-header{padding-bottom:14px;margin-bottom:14px}
  .call-step{padding:9px 12px;font-size:.85rem}
  .call-step .cs-icon{width:26px;height:26px}
  /* Cartes plus simples et moins hautes */
  .problem-card,.service-card,.usecase-card{padding:22px}
  .process-card{padding:24px}
  .benefit-item{padding:16px 18px;font-size:.93rem}
  /* Phrases de démo plus compactes */
  .phrase{font-size:.8rem;padding:7px 13px}
  .lang-btn{padding:7px 11px;font-size:.78rem;gap:5px}
}