/* ===== Design tokens ===== */
:root{
  --green:#10b981;
  --green-d:#059669;
  --blue:#0ea5e9;
  --ink:#0f172a;
  --ink-2:#334155;
  --muted:#64748b;
  --line:#e2e8f0;
  --bg:#ffffff;
  --bg-alt:#f1f5f9;
  --white:#ffffff;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(2,32,71,.08);
  --shadow-lg:0 24px 60px rgba(2,32,71,.14);
  --maxw:1140px;
  --grad:linear-gradient(135deg,var(--green),var(--blue));
}

/* ===== Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;font-weight:800;color:var(--ink)}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-weight:700;font-size:.95rem;border:none;border-radius:999px;
  padding:.7rem 1.3rem;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(16,185,129,.35)}
.btn-primary:hover{box-shadow:0 12px 28px rgba(16,185,129,.45)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--green);color:var(--green-d)}
.btn-lg{padding:.95rem 1.7rem;font-size:1.05rem}
.btn-block{width:100%}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo img{height:42px;width:auto}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav-link{font-weight:600;color:var(--ink-2);font-size:.95rem;position:relative}
.nav-link:hover{color:var(--green-d)}
.nav-cta{margin-left:.4rem}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:26px;height:3px;background:var(--ink);border-radius:3px;transition:.25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{padding:64px 0 56px;background:
  radial-gradient(900px 400px at 85% -10%,rgba(14,165,233,.12),transparent),
  radial-gradient(700px 380px at 0% 110%,rgba(16,185,129,.12),transparent);}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:.5rem;background:#ecfdf5;color:var(--green-d);
  font-weight:700;font-size:.82rem;padding:.4rem .85rem;border-radius:999px;border:1px solid #bbf7d0}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(16,185,129,.18)}
.hero h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:900;margin:.9rem 0}
.lead{font-size:1.12rem;color:var(--ink-2);max-width:38ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.6rem 0 1.4rem}
.hero-points{display:grid;gap:.55rem}
.hero-points li{display:flex;align-items:center;gap:.6rem;color:var(--ink-2);font-weight:500}
.hero-points svg{width:20px;height:20px;color:var(--green);flex:0 0 auto;background:#ecfdf5;border-radius:50%;padding:2px}

/* Hero visual */
.hero-visual{display:flex;justify-content:center}
.hero-card{width:100%;max-width:360px;background:var(--ink);border-radius:24px;padding:28px;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.hero-card::before{content:"";position:absolute;inset:0;background:
  radial-gradient(300px 160px at 80% 0,rgba(16,185,129,.35),transparent);}
.charge-illu{position:relative;z-index:1;text-align:center;color:#fff}
.charge-illu .bolt{width:108px;height:108px;margin:0 auto 22px;border-radius:50%;
  display:grid;place-items:center;background:var(--grad);color:#fff;
  box-shadow:0 0 0 10px rgba(255,255,255,.06);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 10px rgba(255,255,255,.06)}50%{box-shadow:0 0 0 18px rgba(255,255,255,.03)}}
.charge-bar{height:12px;background:rgba(255,255,255,.15);border-radius:999px;overflow:hidden;margin:0 0 14px}
.charge-bar span{display:block;height:100%;width:72%;background:var(--grad);border-radius:999px;animation:fill 3s ease-in-out infinite alternate}
@keyframes fill{from{width:35%}to{width:88%}}
.charge-meta{display:flex;flex-direction:column}
.charge-meta strong{font-size:1.05rem}
.charge-meta span{color:#94a3b8;font-size:.9rem}

/* ===== Points forts ===== */
.highlights{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0}
.highlight-list{display:flex;flex-wrap:wrap;gap:14px 26px;justify-content:center}
.highlight-list li{display:inline-flex;align-items:center;gap:.65rem;font-weight:600;color:var(--ink);font-size:.95rem}
.hl-ic{width:36px;height:36px;border-radius:10px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--green-d);flex:0 0 auto;box-shadow:var(--shadow)}
.hl-ic svg{width:20px;height:20px}

/* ===== Sections ===== */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-head{text-align:center;max-width:680px;margin:0 auto 44px}
.kicker{display:inline-block;color:var(--green-d);font-weight:800;text-transform:uppercase;
  letter-spacing:.08em;font-size:.8rem;margin-bottom:.6rem}
.section-head h2{font-size:clamp(1.7rem,3.6vw,2.4rem)}
.section-head p{color:var(--muted);margin-top:.7rem;font-size:1.05rem}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card-icon{width:54px;height:54px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;margin-bottom:16px}
.card-icon svg{width:28px;height:28px}
.card h3{font-size:1.2rem;margin-bottom:.5rem}
.card p{color:var(--ink-2);font-size:.97rem}
.ticks{margin-top:14px;display:grid;gap:.45rem}
.ticks li{position:relative;padding-left:1.6rem;color:var(--ink-2);font-size:.92rem}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:14px;height:8px;
  border-left:2.5px solid var(--green);border-bottom:2.5px solid var(--green);transform:rotate(-45deg)}

/* Features */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center}
.feature-icon{width:56px;height:56px;border-radius:50%;background:#ecfdf5;color:var(--green-d);
  display:grid;place-items:center;margin:0 auto 14px}
.feature-icon svg{width:28px;height:28px}
.feature h3{font-size:1.08rem;margin-bottom:.4rem}
.feature p{color:var(--muted);font-size:.92rem}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.step{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.step-num{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:var(--grad);color:#fff;font-weight:800;font-size:1.1rem;margin-bottom:14px}
.step h3{font-size:1.1rem;margin-bottom:.35rem}
.step p{color:var(--muted);font-size:.93rem}

/* Zone */
.zone-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.zone-grid h2{font-size:clamp(1.7rem,3.6vw,2.4rem);margin:.4rem 0 .8rem}
.zone-grid p{color:var(--ink-2);margin-bottom:1.2rem;font-size:1.05rem}
.dept-list{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.4rem}
.dept-list li{display:inline-flex;align-items:center;gap:.4rem;background:#ecfdf5;color:var(--green-d);
  border:1px solid #bbf7d0;border-radius:999px;padding:.4rem .85rem;font-weight:700;font-size:.9rem}
.dept-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green)}
.zone-stats{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.stat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow)}
.stat strong{display:block;font-size:1.6rem;color:var(--green-d);font-weight:900}
.stat span{color:var(--muted);font-size:.9rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-info h2{font-size:clamp(1.7rem,3.6vw,2.4rem);margin:.4rem 0 .8rem}
.contact-info p{color:var(--ink-2);margin-bottom:1.4rem}
.contact-list{display:grid;gap:1rem}
.contact-list li{display:flex;align-items:center;gap:.8rem;font-weight:600;color:var(--ink)}
.contact-list svg{width:22px;height:22px;color:var(--green-d);flex:0 0 auto}
.contact-list a:hover{color:var(--green-d)}
.contact-form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);display:grid;gap:16px}
.field{display:grid;gap:.4rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{font-weight:600;font-size:.9rem;color:var(--ink-2)}
input,select,textarea{
  font-family:inherit;font-size:1rem;color:var(--ink);background:#fff;
  border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:.8rem .9rem;width:100%;
  transition:border-color .15s ease,box-shadow .15s ease;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px rgba(16,185,129,.15)}
textarea{resize:vertical}
.form-note{font-size:.9rem;margin:0;min-height:1.2em}
.form-note.ok{color:var(--green-d);font-weight:600}
.form-note.err{color:#dc2626;font-weight:600}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:#cbd5e1;padding:54px 0 24px}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.footer-brand img{height:42px;margin-bottom:14px}
.footer-brand p{color:#94a3b8;max-width:34ch;font-size:.95rem}
.footer-nav h4,.footer-contact h4{color:#fff;font-size:1rem;margin-bottom:14px}
.footer-nav a,.footer-contact a,.footer-contact span{display:block;color:#cbd5e1;padding:.25rem 0;font-size:.95rem}
.footer-nav a:hover,.footer-contact a:hover{color:var(--green)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;color:#94a3b8;font-size:.85rem}

/* ===== Page légale ===== */
.legal{max-width:820px;margin:0 auto}
.legal .lead{color:var(--ink-2);margin-bottom:6px}
.legal .updated{color:var(--muted);font-size:.85rem;margin-bottom:28px}
.legal h2{font-size:1.2rem;margin:30px 0 10px;padding-top:18px;border-top:1px solid var(--line)}
.legal h2:first-of-type{border-top:none;padding-top:0}
.legal p,.legal li{color:var(--ink-2);font-size:.98rem;margin-bottom:.6rem}
.legal ul{list-style:disc;padding-left:1.3rem;margin-bottom:.8rem}
.legal a{color:var(--green-d);font-weight:600}
.legal a:hover{text-decoration:underline}
.legal .info{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;margin-bottom:.8rem}
.legal .info p{margin:.2rem 0}

/* ===== Floating action button (mobile) ===== */
.fab{display:none;position:fixed;left:16px;right:16px;bottom:16px;z-index:60;
  background:var(--grad);color:#fff;text-align:center;font-weight:800;
  padding:1rem;border-radius:999px;box-shadow:var(--shadow-lg)}

/* ===== Responsive ===== */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1}
  .hero-card{max-width:320px}
  .lead{max-width:none}
  .cards{grid-template-columns:1fr 1fr}
  .features{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .zone-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .footer-inner{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
}

@media (max-width:680px){
  /* Mobile nav */
  .nav{position:fixed;inset:68px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;padding:8px 16px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);
    transform:translateY(-130%);transition:transform .28s ease;}
  .nav.open{transform:translateY(0)}
  .nav-link{padding:.95rem .4rem;border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav-cta{margin:14px 0 0;width:100%}
  .burger{display:flex}

  .hero{padding:40px 0 36px}
  .hero-actions .btn{flex:1 1 auto}
  .section{padding:52px 0}
  .section-head{margin-bottom:32px}
  .cards,.features,.steps{grid-template-columns:1fr}
  .highlight-list{flex-direction:column;align-items:flex-start;gap:13px}
  .highlight-list li{font-size:1rem}
  .zone-stats{grid-template-columns:1fr 1fr}
  .field-row{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}

  .fab{display:block}
  /* keep content clear of the FAB */
  body{padding-bottom:0}
  #contact{scroll-margin-bottom:90px}
}

@media (max-width:380px){
  .zone-stats{grid-template-columns:1fr}
}

/* Accessibility */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
:focus-visible{outline:3px solid rgba(14,165,233,.5);outline-offset:2px;border-radius:6px}