:root{
  --accent:#534AB7; --accent-dark:#3C3489; --accent-light:#EEEDFE; --accent-mid:#CECBF6;
  --ink:#171622; --ink-2:#4a4960; --ink-3:#8b8aa0;
  --bg:#ffffff; --bg-2:#f6f6fb; --bg-3:#efeff7; --line:rgba(23,22,34,.10);
  --grad:linear-gradient(120deg,#6C63D6 0%,#534AB7 55%,#3C3489 100%);
  --radius:16px; --shadow:0 18px 50px -18px rgba(60,52,137,.35);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{width:min(1140px,92vw);margin:0 auto}
section{padding:96px 0}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;font-weight:700}
h2{font-size:clamp(28px,4vw,40px)}
.eyebrow{color:var(--accent);font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.lead{color:var(--ink-2);font-size:clamp(16px,1.6vw,19px)}
.center{text-align:center}
.muted{color:var(--ink-3)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:12px;font-weight:600;font-size:15px;
     cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .2s,background .2s,color .2s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px -8px rgba(83,74,183,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -8px rgba(83,74,183,.7)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--bg-2);border-color:var(--accent-mid)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.3)}
.btn-light:hover{background:rgba(255,255,255,.24)}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{font-size:22px;font-weight:800;letter-spacing:-.03em}
.logo span{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:15px;color:var(--ink-2);font-weight:500}
.nav-links a:hover{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:12px}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0;border-radius:2px;transition:.25s}

/* Language switcher */
.lang{position:relative}
.lang-btn{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:8px 12px;font:inherit;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer}
.lang-btn:hover{border-color:var(--accent-mid)}
.lang-btn svg{opacity:.6}
.lang-menu{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow);padding:6px;min-width:150px;display:none;z-index:60}
.lang-menu.open{display:block}
.lang-menu a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-size:14px;font-weight:500;color:var(--ink-2)}
.lang-menu a:hover{background:var(--bg-2);color:var(--ink)}
.lang-menu a.cur{background:var(--accent-light);color:var(--accent);font-weight:700}
.lang-menu .fl{font-size:17px;line-height:1}

/* Hero */
.hero{position:relative;overflow:hidden;padding:78px 0 92px}
.hero::before{content:"";position:absolute;inset:0;background:
   radial-gradient(1000px 460px at 78% -8%,rgba(108,99,214,.16),transparent 60%),
   radial-gradient(700px 400px at 5% 110%,rgba(206,203,246,.35),transparent 60%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.hero h1{font-size:clamp(34px,5vw,56px);margin:16px 0 18px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{max-width:540px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-note{margin-top:18px;font-size:13.5px;color:var(--ink-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dot-ok{width:8px;height:8px;border-radius:50%;background:#2E9E5B;box-shadow:0 0 0 3px rgba(46,158,91,.18)}

/* Chat mockup */
.mock{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden;transform:rotate(.4deg)}
.mock-head{display:flex;align-items:center;gap:10px;padding:14px 16px;background:var(--grad);color:#fff}
.mock-ava{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.mock-head b{font-size:15px}
.mock-head small{opacity:.85;font-size:12px}
.mock-body{padding:18px 16px;display:flex;flex-direction:column;gap:12px;background:var(--bg-2);min-height:250px}
.b{max-width:82%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.45;opacity:0;transform:translateY(8px);animation:pop .5s forwards}
.b.them{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px}
.b.me{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:5px}
.b:nth-child(1){animation-delay:.2s}.b:nth-child(2){animation-delay:.9s}.b:nth-child(3){animation-delay:1.7s}.b:nth-child(4){animation-delay:2.5s}
.b .who{font-size:10.5px;font-weight:700;opacity:.6;margin-bottom:2px;letter-spacing:.02em}
.mock-foot{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line);background:#fff}
.mock-foot input{flex:1;border:1px solid var(--line);border-radius:12px;padding:9px 12px;font:inherit;font-size:13px;color:var(--ink-3)}
.mock-foot .send{width:38px;border-radius:50%;background:var(--accent);color:#fff;border:0;display:flex;align-items:center;justify-content:center}
@keyframes pop{to{opacity:1;transform:none}}

/* Trust strip */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.trust .wrap{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 40px;padding:22px 0}
.trust b{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;color:var(--ink-2);font-weight:600}
.trust svg{color:var(--accent)}

/* Features */
.grid{display:grid;gap:22px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent-mid)}
.ico{width:46px;height:46px;border-radius:12px;background:var(--accent-light);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--ink-2);font-size:15px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.step{position:relative;padding-top:20px}
.step .n{width:42px;height:42px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;margin-bottom:14px}
.step h3{font-size:18px;margin-bottom:6px}
.step p{color:var(--ink-2);font-size:14.5px}

/* RGPD band */
.band{background:var(--grad);color:#fff;border-radius:24px;padding:56px;position:relative;overflow:hidden}
.band::after{content:"🇪🇺";position:absolute;right:34px;bottom:-10px;font-size:150px;opacity:.10}
.band .eyebrow{color:#fff;opacity:.85}
.band h2{color:#fff;margin:12px 0 14px;max-width:640px}
.band p{color:rgba(255,255,255,.9);max-width:600px;font-size:17px}
.band .btn{margin-top:24px}
.band-points{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:26px}
.band-points span{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px}

/* Use cases */
.uses{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.use{display:flex;gap:13px;align-items:flex-start;background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:18px}
.use .em{font-size:24px;line-height:1}
.use b{display:block;font-size:15.5px}
.use small{color:var(--ink-3);font-size:13.5px}

/* Quote */
.quote{max-width:820px;margin:0 auto;text-align:center}
.quote p{font-size:clamp(20px,2.4vw,27px);font-weight:600;letter-spacing:-.01em;line-height:1.4}
.quote .who{margin-top:20px;color:var(--ink-3);font-size:15px}

/* Pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column}
.plan.pop{border:2px solid var(--accent);box-shadow:var(--shadow);position:relative}
.plan.pop .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:20px}
.plan h3{font-size:20px}
.plan .price{font-size:30px;font-weight:800;margin:12px 0 2px;letter-spacing:-.02em}
.plan .price small{font-size:15px;font-weight:600;color:var(--ink-3)}
.plan ul{list-style:none;margin:20px 0;display:flex;flex-direction:column;gap:11px}
.plan li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2)}
.plan li svg{color:var(--accent);flex-shrink:0}
.plan .btn{margin-top:auto;justify-content:center}

/* Contact */
.contact{background:var(--bg-2);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-info h2{margin-bottom:12px}
.contact-info p{color:var(--ink-2);max-width:400px}
.info-list{margin-top:26px;display:flex;flex-direction:column;gap:16px}
.info-list div{display:flex;gap:12px;align-items:center;font-size:15px;color:var(--ink-2)}
.info-list .ico{width:40px;height:40px;margin:0}
form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px}
input,textarea{width:100%;border:1px solid var(--line);border-radius:11px;padding:12px 14px;font:inherit;font-size:15px;background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s}
input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}
textarea{resize:vertical;min-height:120px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-3)}
.consent input{width:auto;margin-top:3px}
.err{color:#c0392b;font-size:12.5px;margin-top:5px;display:none}
.field.invalid input,.field.invalid textarea{border-color:#e0a0a0}
.field.invalid .err{display:block}
.field.consent.invalid label{color:#c0392b}
.field.consent.invalid input[type=checkbox]{outline:2px solid #c0392b;outline-offset:2px}
.form-ok{display:none;text-align:center;padding:16px;background:var(--accent-light);color:var(--accent-dark);border-radius:12px;font-weight:600;margin-bottom:14px}

/* Footer */
footer{background:var(--ink);color:#c9c8d8;padding:56px 0 30px}
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .logo{color:#fff;font-size:24px}
.foot-brand p{max-width:300px;margin-top:10px;font-size:14px;color:#9998ad}
.foot-col h4{color:#fff;font-size:14px;margin-bottom:12px}
.foot-col a{display:block;font-size:14px;color:#9998ad;margin-bottom:9px}
.foot-col a:hover{color:#fff}
.foot-bottom{padding-top:22px;font-size:13px;color:#7f7e94;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* Reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .cols-3,.uses,.plans{grid-template-columns:1fr}
  .cols-2,.contact-grid,.hero-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .hero-grid{gap:40px}.mock{transform:none;order:2}
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 24px;width:100%}
  .burger{display:block}
  .nav-cta .btn-ghost{display:none}
  section{padding:64px 0}
  .band,.band::after{padding:34px}.band::after{font-size:90px}
  .field.row{grid-template-columns:1fr}
}


/* Bandeau d'information bas de page (aucun cookie de suivi) */
.pz-notice{position:fixed;left:0;right:0;bottom:0;z-index:9999;display:flex;gap:16px;align-items:center;
  justify-content:center;flex-wrap:wrap;padding:12px 20px;background:#fff;
  border-top:1px solid var(--line,#E5E5EF);box-shadow:0 -6px 24px rgba(20,20,40,.07);font-size:14px}
.pz-notice p{margin:0;max-width:86ch;text-align:center;color:#3d3d4d}
.pz-notice strong{color:#16161f}
.pz-notice button{border:1px solid var(--line,#E5E5EF);background:#fff;border-radius:9px;
  padding:7px 16px;font-size:13.5px;font-weight:600;cursor:pointer;color:#16161f;flex:0 0 auto}
.pz-notice button:hover{background:#F4F4F8}
@media(max-width:620px){.pz-notice{font-size:13px;padding:11px 14px}.pz-notice p{text-align:left}}