/* Souffle — feuille de style du site vitrine.
   Même palette que l'application, mise en page de site. */

:root{
  --bg:#0a0e1a; --bg2:#101728;
  --card:rgba(255,255,255,.045); --card-hi:rgba(255,255,255,.08); --line:rgba(255,255,255,.10);
  --txt:#e8ecf5; --dim:#93a0bb; --dim2:#64708c;
  --accent:#7fd8c4; --accent2:#8ea8ff; --warm:#f3b77c;
  --radius:20px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--txt);line-height:1.65;-webkit-font-smoothing:antialiased;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  background:
    radial-gradient(1100px 700px at 12% -10%, #1b2a45 0%, transparent 58%),
    radial-gradient(900px 600px at 100% 4%, #23203f 0%, transparent 52%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg2) 100%);
  background-attachment:fixed;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit;font-size:inherit;color:inherit;border:none;background:none;cursor:pointer}
img{max-width:100%}

.wrap{max-width:820px;margin:0 auto;padding:0 22px}
.narrow{max-width:660px}

/* ---------- en-tête ---------- */
header.nav{padding:calc(20px + env(safe-area-inset-top,0px)) 0 0}
.navin{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:11px}
.brand .logo{width:34px;height:34px;border-radius:11px;flex:none;
  background:linear-gradient(145deg,var(--accent),var(--accent2));display:grid;place-items:center;
  box-shadow:0 6px 22px rgba(127,216,196,.22)}
.brand .logo svg{width:19px;height:19px}
.brand b{font-size:17px;font-weight:600;letter-spacing:-.02em;color:var(--txt)}
.brand span{display:block;font-size:11px;color:var(--dim2);letter-spacing:.05em;text-transform:uppercase}
nav.links{display:flex;gap:18px;font-size:14px}
nav.links a{color:var(--dim)}
nav.links a:hover{color:var(--txt)}
nav.links a[aria-current]{color:var(--accent)}

/* ---------- typographie ---------- */
h1{font-size:40px;line-height:1.12;letter-spacing:-.035em;font-weight:650;margin:0 0 16px}
h2{font-size:23px;line-height:1.25;letter-spacing:-.025em;font-weight:600;margin:52px 0 14px}
h3{font-size:17px;font-weight:600;letter-spacing:-.015em;margin:0 0 5px}
p{margin:0 0 16px;font-size:16.5px;color:#cfd7e6}
p.lead{font-size:19px;color:var(--dim);line-height:1.6;margin-bottom:26px}
small,.tiny{font-size:13px;color:var(--dim2);line-height:1.65}
ul{padding-left:20px;margin:0 0 16px}
li{margin-bottom:9px;font-size:16.5px;color:#cfd7e6}
strong{font-weight:600;color:var(--txt)}
hr{border:none;border-top:1px solid var(--line);margin:44px 0}

/* ---------- blocs ---------- */
section{padding:8px 0}
.hero{padding:56px 0 8px}
.cta{display:inline-flex;align-items:center;gap:9px;padding:15px 26px;border-radius:16px;
  background:linear-gradient(145deg,var(--accent),var(--accent2));color:#08121b;font-weight:650;font-size:16px;
  box-shadow:0 10px 30px rgba(127,216,196,.22)}
.cta:hover{text-decoration:none;transform:translateY(-1px)}
.cta.ghost{background:var(--card);border:1px solid var(--line);color:var(--txt);box-shadow:none}
.ctarow{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:8px 0 10px}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:20px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card .ic{font-size:24px;margin-bottom:10px;display:block}
.card p{font-size:14.5px;color:var(--dim);margin:0}
.card .m{font-size:12px;color:var(--dim2);margin-top:10px}

/* Carte cliquable : mène droit à la thématique dans l'application. */
a.card{display:block;color:inherit;text-decoration:none;
  transition:border-color .15s ease, background .15s ease, transform .15s ease}
a.card h3{display:flex;align-items:center;justify-content:space-between;gap:10px}
a.card h3::after{content:"→";color:var(--accent);font-weight:400;opacity:.55;transition:opacity .15s ease}
a.card:hover{border-color:rgba(127,216,196,.4);background:rgba(127,216,196,.05);transform:translateY(-2px)}
a.card:hover h3::after{opacity:1}
a.card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion:reduce){ a.card,a.card:hover{transition:none;transform:none} }

.steps{counter-reset:s;margin:22px 0}
.step{display:flex;gap:16px;margin-bottom:20px}
.step .n{flex:none;width:30px;height:30px;border-radius:10px;background:rgba(127,216,196,.14);
  color:var(--accent);display:grid;place-items:center;font-weight:650;font-size:14px}
.step p{margin:4px 0 0;font-size:15px;color:var(--dim)}

.note{background:rgba(127,216,196,.08);border:1px solid rgba(127,216,196,.22);border-radius:var(--radius);
  padding:18px 20px;margin:26px 0;font-size:15px;color:#cfeee6}
.note b{color:var(--accent)}
.warn{background:rgba(243,183,124,.07);border:1px solid rgba(243,183,124,.2);border-radius:var(--radius);
  padding:18px 20px;margin:26px 0;font-size:14px;color:#e6cdb2;line-height:1.7}

table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--dim2);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.05em}
td:first-child{color:var(--txt);font-weight:500;white-space:nowrap}

/* ---------- formulaire ---------- */
form.sub{display:flex;gap:9px;flex-wrap:wrap;margin:14px 0 8px}
form.sub input{flex:1;min-width:220px;background:rgba(0,0,0,.32);border:1px solid var(--line);
  color:var(--txt);border-radius:14px;padding:13px 15px;font-size:15px;font-family:inherit}
form.sub input::placeholder{color:var(--dim2)}
form.sub button{padding:13px 22px;border-radius:14px;background:var(--card);border:1px solid var(--line);
  font-size:15px;font-weight:600}
form.sub button:hover{background:var(--card-hi)}

/* ---------- pied de page ---------- */
footer{margin-top:70px;padding:32px 0 calc(40px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line)}
footer .cols{display:flex;gap:26px;flex-wrap:wrap;justify-content:space-between;font-size:14px}
footer a{color:var(--dim)}
footer a:hover{color:var(--txt)}
footer .legal{margin-top:24px;font-size:12.5px;color:var(--dim2);line-height:1.7}

@media(max-width:520px){
  h1{font-size:31px}
  h2{font-size:20px;margin-top:42px}
  p.lead{font-size:17px}
  .hero{padding:36px 0 4px}
}