/* Pages publiques : accueil, tarifs, démo (charte digitab) */
:root{
  --ink:#21424F; --teal:#75C6C6; --teal-d:#4FA9A9; --bg:#F4F7F8; --line:#DFE9EB;
  --text:#2B3A40; --muted:#5F737A; --white:#fff; --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--white);line-height:1.6;font-size:16px}
a{color:var(--ink)}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* En-tête */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--ink)}
.brand b{font-size:28px;font-weight:800;letter-spacing:-.5px}
.brand span{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--teal-d);font-weight:700}
.site-nav{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.site-nav a{padding:8px 14px;border-radius:30px;text-decoration:none;font-weight:600;font-size:15px;color:var(--ink)}
.site-nav a:hover{background:var(--bg)}
.site-nav a.active{background:var(--bg);color:var(--teal-d)}
.site-nav a.btn-nav{background:var(--ink);color:#fff}
.site-nav a.btn-nav:hover{background:#163240}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:15px;color:var(--ink)}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:40px;font-weight:700;font-size:16px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--teal);color:var(--ink)}
.btn-primary:hover{background:#8fd3d3}
.btn-dark{background:var(--ink);color:#fff}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-white-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-sm{padding:10px 18px;font-size:14px}
.live-dot{width:9px;height:9px;border-radius:50%;background:#E5484D;box-shadow:0 0 0 0 rgba(229,72,77,.6);animation:pulse 1.6s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(229,72,77,0)}100%{box-shadow:0 0 0 0 rgba(229,72,77,0)}}

/* Hero */
.hero{background:linear-gradient(135deg,#21424F 0%,#2C5866 100%);color:#fff;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;width:700px;height:700px;right:-220px;top:-260px;border-radius:50%;background:radial-gradient(circle,rgba(117,198,198,.35),rgba(117,198,198,0) 65%)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:72px;padding-bottom:72px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:800;color:var(--teal)}
.hero h1{font-size:54px;line-height:1.05;letter-spacing:-1.5px;margin:14px 0 18px}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero p.lead{font-size:20px;color:#D3E8EA;margin:0 0 30px;max-width:580px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{margin-top:18px;font-size:14px;color:#A9C9CD}
.hero-visual{border-radius:22px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.35)}

/* Sections */
section{padding:84px 0}
.section-soft{background:var(--bg)}
.section-head{text-align:center;max-width:760px;margin:0 auto 48px}
.section-head h2{font-size:38px;line-height:1.15;letter-spacing:-.8px;color:var(--ink);margin:10px 0 14px}
.section-head p{color:var(--muted);font-size:18px;margin:0}
.eyebrow-dark{color:var(--teal-d)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.step .n{width:42px;height:42px;border-radius:50%;background:var(--teal);color:var(--ink);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:18px}
.step h3{margin:16px 0 6px;color:var(--ink);font-size:19px}
.step p{margin:0;color:var(--muted);font-size:15px}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.feature .ico{width:52px;height:52px;border-radius:14px;background:#E6F5F5;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.feature h3{margin:0 0 8px;color:var(--ink);font-size:20px}
.feature p{margin:0;color:var(--muted);font-size:15px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split h2{font-size:34px;line-height:1.15;color:var(--ink);margin:10px 0 16px;letter-spacing:-.6px}
.split p{color:var(--muted);font-size:17px}
.checks{list-style:none;padding:0;margin:18px 0 0}
.checks li{padding-left:32px;position:relative;margin-bottom:10px}
.checks li:before{content:"";position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2321424F' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E") center/13px no-repeat}
.mock{background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:0 20px 50px rgba(33,66,79,.12)}
.mock-email{max-width:360px;margin:0 auto;text-align:center}
.mock-email .bar{height:10px;border-radius:6px;background:#E8EFF1;margin:8px auto}
.mock-email .qr{width:150px;height:150px;margin:18px auto;border-radius:10px;border:1px solid var(--line);padding:8px;background:#fff}
.mock-scan{display:flex;gap:16px;align-items:center;background:#1E8E5A;color:#fff;border-radius:16px;padding:18px 20px;margin-top:14px}
.mock-scan b{font-size:18px;display:block}

/* CTA */
.cta{background:var(--ink);color:#fff;border-radius:26px;padding:48px;display:flex;gap:30px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cta h2{margin:0 0 8px;font-size:32px;letter-spacing:-.5px}
.cta p{margin:0;color:#C9E1E4;font-size:17px;max-width:620px}
.cta .actions{display:flex;gap:12px;flex-wrap:wrap}

/* Tarifs */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px 24px;display:flex;flex-direction:column;position:relative}
.plan.featured{border:2px solid var(--teal);box-shadow:0 24px 60px rgba(33,66,79,.14)}
.plan .tag{position:absolute;top:-13px;left:24px;background:var(--teal);color:var(--ink);font-size:12px;font-weight:800;letter-spacing:1px;text-transform:uppercase;padding:4px 12px;border-radius:20px}
.plan h3{margin:0;color:var(--ink);font-size:22px}
.plan .for{color:var(--muted);font-size:14px;min-height:42px;margin:6px 0 14px}
.plan .price{font-size:40px;font-weight:800;color:var(--ink);letter-spacing:-1px;line-height:1}
.plan .price small{display:block;margin-top:8px;font-size:15px;font-weight:600;color:var(--muted);letter-spacing:0}
.plan .price.price-text{font-size:26px;white-space:nowrap}
.hero-single .wrap{grid-template-columns:1fr;max-width:900px;text-align:center}
.hero-single p.lead{margin-left:auto;margin-right:auto}
.hero-single .hero-actions{justify-content:center}
.plan .price-alt{font-size:14px;color:var(--teal-d);font-weight:700;margin-top:6px;min-height:22px}
.plan .base{margin:16px 0;padding:10px 12px;background:var(--bg);border-radius:12px;font-size:14px;color:var(--ink)}
.plan ul{list-style:none;padding:0;margin:0 0 22px;flex:1}
.plan li{font-size:14px;padding:6px 0 6px 26px;position:relative;border-bottom:1px dashed var(--line)}
.plan li:before{content:"✓";position:absolute;left:4px;color:var(--teal-d);font-weight:800}
.plan li.no{color:#9AAAB0}
.plan li.no:before{content:"–";color:#B8C4C8}
.plan .btn{width:100%}
.compare{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden;font-size:15px}
.compare th,.compare td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:center}
.compare th:first-child,.compare td:first-child{text-align:left;color:var(--ink);font-weight:600}
.compare thead th{background:var(--ink);color:#fff;font-size:15px}
.compare tbody tr:nth-child(even){background:#FAFCFC}
.compare .y{color:var(--teal-d);font-weight:800}
.compare .n{color:#B8C4C8}
.compare tr.opt td{background:#EEF8F8;font-weight:600}
.table-scroll{overflow-x:auto;border-radius:18px;border:1px solid var(--line)}
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:12px}
.faq summary{font-weight:700;color:var(--ink);cursor:pointer}
.faq p{color:var(--muted);margin:10px 0 0}
.note{text-align:center;color:var(--muted);font-size:14px;margin-top:18px}

/* Formulaire démo */
.form-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:0 20px 50px rgba(33,66,79,.08)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
.form-card label{display:block;font-weight:600;color:var(--ink);font-size:14px;margin-bottom:6px}
.form-card input,.form-card select,.form-card textarea{width:100%;padding:12px 14px;border:1px solid #CBD9DC;border-radius:12px;font:inherit;background:#fff}
.form-card textarea{min-height:110px;resize:vertical}
.form-card input:focus,.form-card select:focus,.form-card textarea:focus{outline:2px solid var(--teal);border-color:var(--teal)}
.choice{display:flex;gap:10px;flex-wrap:wrap}
.choice label{display:flex;align-items:center;gap:8px;border:1px solid #CBD9DC;border-radius:30px;padding:10px 16px;font-weight:600;cursor:pointer}
.choice input{width:auto}
.alert{padding:14px 18px;border-radius:12px;margin-bottom:18px}
.alert-ok{background:#E7F6EE;color:#17633F}
.alert-err{background:#FDECEC;color:#8E2A1F}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{display:flex;gap:14px;margin-bottom:18px}
.side-list .n{flex:0 0 34px;height:34px;border-radius:50%;background:var(--teal);color:var(--ink);font-weight:800;display:flex;align-items:center;justify-content:center}

/* Pied de page */
.site-foot{background:#17313B;color:#B9CFD3;padding:40px 0;font-size:14px}
.site-foot .wrap{display:flex;gap:24px;justify-content:space-between;flex-wrap:wrap;align-items:center}
.site-foot a{color:#fff;text-decoration:none}
.site-foot nav{display:flex;gap:18px;flex-wrap:wrap}

@media (max-width:1000px){
  .hero .wrap,.split{grid-template-columns:1fr}
  .hero h1{font-size:40px}
  .plans{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .features{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav-toggle{display:block}
  .brand span{display:none}
  .site-nav{display:none;width:100%;flex-direction:column;align-items:stretch;padding-bottom:14px}
  .site-nav.open{display:flex}
  .site-head .wrap{flex-wrap:wrap}
  .plans,.steps,.features,.form-grid{grid-template-columns:1fr}
  section{padding:60px 0}
  .section-head h2,.split h2{font-size:28px}
  .cta{padding:30px}
  .cta h2{font-size:26px}
}
@media (prefers-reduced-motion:reduce){.live-dot{animation:none}.btn:hover{transform:none}}