/* La bonne borne, design system */
:root{
  --emerald:#10B981;
  --emerald-dark:#059669;
  --emerald-soft:#E7FBF3;
  --ink:#0F172A;
  --slate:#475569;
  --muted:#64748B;
  --cloud:#F1F5F9;
  --line:rgba(15,23,42,.10);
  --white:#FFFFFF;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 44px rgba(15,23,42,.08);
  --shadow-emerald:0 20px 46px rgba(16,185,129,.16);
  --maxw:1080px;
  --font-display:'Baloo 2',system-ui,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
h1,h2,h3,.logo{font-family:var(--font-display);font-weight:700;line-height:1.15;color:var(--ink)}
h1{font-size:clamp(30px,5vw,46px);letter-spacing:-.5px}
h2{font-size:clamp(24px,3.5vw,32px);margin-bottom:14px}
h3{font-size:20px;margin-bottom:8px}
p{margin-bottom:14px}
a{color:var(--emerald-dark);text-decoration:none}
a:hover{text-decoration:underline}
strong{font-weight:600}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:24px;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo .mark{width:38px;height:38px;border-radius:12px;background:var(--emerald);display:flex;align-items:center;justify-content:center;color:#fff}
.logo .mark svg{width:21px;height:21px;display:block}
.logo .borne{color:var(--emerald)}
.nav .links{display:flex;gap:20px;margin-left:auto;align-items:center}
.nav .links a{color:var(--slate);font-weight:500;font-size:15px}
.nav .links a:hover{color:var(--emerald-dark);text-decoration:none}
.btn{display:inline-block;background:var(--emerald);color:#fff;font-family:var(--font-display);font-weight:600;font-size:15px;padding:11px 18px;border-radius:var(--radius-sm);border:none;cursor:pointer;transition:background .15s,transform .1s}
.btn:hover{background:var(--emerald-dark);text-decoration:none;color:#fff}
.btn:active{transform:scale(.98)}
.btn.lg{font-size:17px;padding:14px 24px}

/* Hero */
.hero{padding:54px 0 30px;background:linear-gradient(180deg,var(--emerald-soft),#fff 70%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
.hero p.lead{font-size:19px;color:var(--slate);margin:16px 0 22px;max-width:520px}
.pill{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);color:var(--emerald-dark);font-weight:600;font-size:13px;padding:6px 13px;border-radius:999px;margin-bottom:18px}

/* Cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.sim{box-shadow:var(--shadow-emerald);border-color:rgba(16,185,129,.25)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:14px;color:var(--ink);margin-bottom:7px}
select,input[type=range]{width:100%}
select{appearance:none;-webkit-appearance:none;background:#fff url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2310B981' stroke-width='3'><path d='M6 9l6 6 6-6'/></svg>") no-repeat right 14px center;border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:12px 40px 12px 14px;font:inherit;color:var(--ink);cursor:pointer}
select:focus{outline:none;border-color:var(--emerald);box-shadow:0 0 0 4px rgba(16,185,129,.16)}
input[type=range]{-webkit-appearance:none;height:6px;border-radius:6px;background:var(--cloud);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--emerald);cursor:pointer;border:3px solid #fff;box-shadow:0 2px 6px rgba(16,185,129,.5)}
.result{background:var(--ink);border-radius:var(--radius-sm);padding:20px;text-align:center;color:#fff;margin-top:6px}
.result .big{font-family:var(--font-display);font-weight:700;font-size:38px;color:#fff;line-height:1.1}
.result .small{font-size:13px;color:#cbd5e1}

/* Sections */
section{padding:46px 0}
.section-head{max-width:680px;margin-bottom:28px}
.section-head p{color:var(--slate);font-size:18px;margin:0}
.grid{display:grid;gap:18px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.usecase{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:transform .15s,box-shadow .15s}
.usecase:hover{transform:translateY(-3px);box-shadow:var(--shadow);text-decoration:none}
.usecase .ic{width:44px;height:44px;border-radius:12px;background:var(--emerald-soft);color:var(--emerald-dark);display:flex;align-items:center;justify-content:center;font-size:23px;margin-bottom:12px}
.usecase h3{color:var(--ink)}
.usecase p{color:var(--slate);font-size:15px;margin:0}
.step{display:flex;gap:14px;align-items:flex-start}
.step .num{flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--emerald);color:#fff;font-family:var(--font-display);font-weight:700;display:flex;align-items:center;justify-content:center}
.bg-cloud{background:var(--cloud)}

/* Content pages */
.article{max-width:760px;margin:0 auto;padding:38px 0}
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:14px}
.enbref{background:var(--emerald-soft);border-radius:var(--radius);padding:20px 24px;margin:22px 0}
.enbref ul{list-style:none;display:grid;gap:8px}
.enbref li{padding-left:4px}
.article h2{margin-top:34px}
.article ul,.article ol{margin:0 0 14px 22px}
.article li{margin-bottom:6px}
table.prix{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
table.prix th,table.prix td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line)}
table.prix th{background:var(--cloud);font-family:var(--font-display)}
table.prix tr:last-child td{border-bottom:none}
.faq{border-top:1px solid var(--line);padding:16px 0}
.faq h3{margin-bottom:6px;font-size:18px}
.faq p{color:var(--slate);margin:0}

/* CTA figé */
.cta-fige{background:var(--ink);color:#fff;border-radius:var(--radius);padding:28px 30px;margin:30px 0}
.cta-fige h3{color:#fff}
.cta-fige p{color:#cbd5e1;margin:8px 0 0}

/* Footer */
footer.site{background:var(--ink);color:#cbd5e1;padding:40px 0;margin-top:30px;font-size:14px}
footer.site .logo{color:#fff;margin-bottom:12px}
footer.site .logo .mark{background:var(--emerald)}
footer.site a{color:#cbd5e1}
footer.site .cols{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}
.disclaimer{color:#94a3b8;font-size:13px;margin-top:18px;max-width:640px}

@media(max-width:820px){
  .hero-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .nav .links{display:none}
}