/* ============================================================
   AquaConform — feuille de style du tunnel de vente
   Charte : dark premium, Outfit, accent sky. RGPD : fonts auto-hébergées.
   ============================================================ */

@font-face { font-family:'Outfit'; src:url('fonts/outfit-400.woff2') format('woff2'); font-weight:400; font-display:swap; }
@font-face { font-family:'Outfit'; src:url('fonts/outfit-500.woff2') format('woff2'); font-weight:500; font-display:swap; }
@font-face { font-family:'Outfit'; src:url('fonts/outfit-600.woff2') format('woff2'); font-weight:600; font-display:swap; }
@font-face { font-family:'Outfit'; src:url('fonts/outfit-700.woff2') format('woff2'); font-weight:700; font-display:swap; }
@font-face { font-family:'DM Mono'; src:url('fonts/dm-mono-400.woff2') format('woff2'); font-weight:400; font-display:swap; }

:root{
  --bg:#0f172a; --bg-2:#0b1220; --surface:#1e293b; --surface-2:#172033;
  --border:#243049; --border-strong:#334155;
  --text:#f1f5f9; --muted:#94a3b8; --muted-2:#64748b;
  --brand-300:#7dd3fc; --brand-400:#1ac5ff; --brand-500:#0ea5e9; --brand-600:#0284c7; --brand-700:#0369a1;
  --success:#10b981; --amber:#f59e0b; --danger:#ef4444;
  --grad:linear-gradient(180deg,#1ac5ff,#0284c7);
  --radius:14px; --radius-sm:10px; --maxw:1120px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Outfit',system-ui,sans-serif;
  background:radial-gradient(1200px 600px at 70% -10%, #13203b 0%, var(--bg) 55%) no-repeat, var(--bg);
  color:var(--text); line-height:1.6; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:'DM Mono',monospace}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(15,23,42,.72);border-bottom:1px solid var(--border)}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:22px;letter-spacing:-.5px}
.brand .ic{width:34px;height:34px}
.brand b{font-weight:700}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--muted);font-size:15px}
.nav-links a:hover{color:var(--text)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:inherit;font-size:16px;font-weight:600;
  padding:13px 22px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#031424;box-shadow:0 6px 24px -8px rgba(14,165,233,.6)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border-strong)}
.btn-ghost:hover{background:var(--surface);border-color:var(--muted-2)}
.btn-lg{padding:16px 28px;font-size:17px}

/* ---------- Sections ---------- */
section{padding:88px 0}
.eyebrow{color:var(--brand-300);font-weight:600;font-size:14px;letter-spacing:.4px;text-transform:uppercase}
h1{font-size:clamp(34px,5vw,56px);font-weight:700;line-height:1.08;letter-spacing:-1.5px}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:700;letter-spacing:-1px;line-height:1.15}
h3{font-size:20px;font-weight:600;letter-spacing:-.3px}
.lead{color:var(--muted);font-size:clamp(17px,2vw,20px);max-width:640px}
.center{text-align:center}
.center .lead{margin:14px auto 0}

/* ---------- Hero ---------- */
.hero{padding-top:64px;padding-bottom:72px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{margin-bottom:20px}
.hero .lead{margin-bottom:28px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.reassure{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:14px}
.reassure span{display:inline-flex;align-items:center;gap:7px}
.tick{color:var(--success)}

/* hero visual card */
.mock{background:linear-gradient(180deg,#1b2740,#121b30);border:1px solid var(--border);
  border-radius:20px;padding:18px;box-shadow:0 30px 80px -30px rgba(0,0,0,.7)}
.mock-bar{display:flex;gap:6px;margin-bottom:14px}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:var(--border-strong)}
.mock-row{display:flex;align-items:center;justify-content:space-between;
  background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:12px 14px;margin-bottom:10px}
.mock-row .lbl{color:var(--muted);font-size:14px}
.mock-row .val{font-size:16px}
.pill{font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px}
.pill-ok{background:rgba(16,185,129,.15);color:#34d399}
.pill-warn{background:rgba(245,158,11,.15);color:#fbbf24}
.mock-cta{margin-top:6px;background:var(--grad);color:#031424;text-align:center;font-weight:600;
  padding:12px;border-radius:10px}

/* ---------- Feature cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.card{background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--border);
  border-radius:var(--radius);padding:28px}
.card .num{width:42px;height:42px;border-radius:11px;background:rgba(14,165,233,.12);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .num svg{width:22px;height:22px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}

/* ---------- Label band ---------- */
.band{background:linear-gradient(180deg,#0c1830,#0a1428);border:1px solid var(--border);
  border-radius:20px;padding:48px;display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:center}
.band .seal{width:120px;height:120px}
.band small{color:var(--muted-2);font-size:13px;display:block;margin-top:14px}

/* ---------- Pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:760px;margin:48px auto 0}
.plan{background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--border);
  border-radius:var(--radius);padding:32px;position:relative}
.plan.featured{border-color:var(--brand-600);box-shadow:0 0 0 1px var(--brand-600),0 20px 60px -30px rgba(14,165,233,.5)}
.plan .badge{position:absolute;top:-13px;left:32px;background:var(--grad);color:#031424;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px}
.plan .price{font-size:46px;font-weight:700;letter-spacing:-2px;margin:8px 0 2px}
.plan .price span{font-size:17px;font-weight:500;color:var(--muted)}
.plan .sub{color:var(--muted);font-size:15px;margin-bottom:22px}
.feats{list-style:none;margin:22px 0}
.feats li{display:flex;gap:10px;align-items:flex-start;padding:7px 0;font-size:15px;color:#cbd5e1}
.feats li svg{width:18px;height:18px;flex:none;margin-top:3px;color:var(--success)}
.plan .btn{width:100%;justify-content:center;margin-top:8px}
.note-grp{text-align:center;color:var(--muted);font-size:14px;margin-top:26px}
.note-grp a{color:var(--brand-300);border-bottom:1px solid var(--border-strong)}

/* ---------- FAQ ---------- */
.faq{max-width:760px;margin:40px auto 0}
.faq details{border:1px solid var(--border);border-radius:12px;padding:0 20px;margin-bottom:12px;background:var(--surface-2)}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:600;font-size:17px;
  display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--brand-300);font-size:24px;font-weight:400}
.faq details[open] summary::after{content:'\2013'}
.faq p{color:var(--muted);padding:0 0 18px;font-size:15px}

/* ---------- Form ---------- */
.form-wrap{max-width:600px;margin:0 auto}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:16px;color:var(--text);
  background:var(--surface-2);border:1px solid var(--border-strong);border-radius:10px;padding:13px 14px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(14,165,233,.18)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* ---------- CTA band + footer ---------- */
.cta-band{background:linear-gradient(120deg,#0b3a5c,#0a1428);border:1px solid var(--border);
  border-radius:20px;padding:56px;text-align:center}
footer{border-top:1px solid var(--border);padding:40px 0;color:var(--muted-2);font-size:14px}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.foot a{color:var(--muted)}
.disclaimer{color:var(--muted-2);font-size:12px;max-width:760px;margin:14px auto 0;text-align:center}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .grid-3{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr;max-width:440px}
  .band{grid-template-columns:1fr;text-align:center;padding:34px}
  .band .seal{margin:0 auto}
  .field-row{grid-template-columns:1fr}
  .nav-links .hide-sm{display:none}
  section{padding:64px 0}
  .cta-band,.cta-band{padding:38px 24px}
}