/* Arcassia — feuille de style des pages applications.
   Reprend les tokens de index.html ; l'accent est piloté par --acc,
   défini sur <body> par chaque page. */

:root{
  --bg:#0a0a0d; --bg-soft:#121116; --surface:#16151b; --surface-2:#1d1c23;
  --line:#2a2932; --text:#f4f4f7; --muted:#a2a2ad; --muted-2:#77767f;
  --acc:#e4232e;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;
  line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(60% 45% at 50% -5%, color-mix(in srgb, var(--acc) 16%, transparent), transparent 70%),
    radial-gradient(50% 40% at 90% 15%, color-mix(in srgb, var(--acc) 6%, transparent), transparent 70%);
}

/* NAV */
header.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(10,10,13,.72);backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:2px;font-size:18px}
.brand img{width:34px;height:34px;border-radius:50%}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:var(--muted);font-size:15px;font-weight:600;transition:color .2s}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--text)}
.nav-cta{border:1px solid color-mix(in srgb, var(--acc) 50%, transparent);padding:8px 16px;border-radius:10px;color:var(--text)!important}
.nav-cta:hover{background:color-mix(in srgb, var(--acc) 12%, transparent)}
.burger{display:none;background:none;border:0;color:var(--text);font-size:26px;cursor:pointer}

a:focus-visible,button:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}

/* FIL D'ARIANE */
.crumb{padding:22px 0 0;color:var(--muted-2);font-size:14px;font-weight:600}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--text)}

/* HERO */
.hero{padding:52px 0 64px;text-align:center}
.hero .status{
  display:inline-block;font-size:11px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;
  padding:6px 14px;border-radius:999px;border:1px solid var(--line);color:var(--muted);margin-bottom:26px;
}
.hero .status.live{color:#34d399;border-color:rgba(52,211,153,.4);background:rgba(52,211,153,.1)}
.hero .status.soon{color:var(--acc);border-color:color-mix(in srgb, var(--acc) 45%, transparent);background:color-mix(in srgb, var(--acc) 10%, transparent)}
.hero h1{
  font-size:clamp(42px,8.5vw,80px);font-weight:900;letter-spacing:2px;line-height:1;
  background:linear-gradient(180deg,#ffffff,#b9b9c4);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .tag{margin-top:14px;color:var(--acc);font-size:clamp(17px,2.8vw,22px);font-weight:800;letter-spacing:.4px}
.hero .sub{max-width:640px;margin:24px auto 0;color:var(--muted);font-size:17px}
.hero .btns{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{padding:14px 26px;border-radius:12px;font-weight:700;font-size:16px;transition:transform .15s,background .2s,box-shadow .2s;display:inline-block}
.btn-primary{background:var(--acc);color:#fff;box-shadow:0 8px 30px color-mix(in srgb, var(--acc) 35%, transparent)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:color-mix(in srgb, var(--acc) 60%, transparent);background:color-mix(in srgb, var(--acc) 8%, transparent)}
.hero .note{margin-top:16px;color:var(--muted-2);font-size:13.5px}

/* SECTIONS */
section{padding:62px 0}
.eyebrow{color:var(--acc);font-weight:800;letter-spacing:3px;font-size:12px;text-transform:uppercase}
.h2{font-size:clamp(28px,4.6vw,42px);font-weight:900;letter-spacing:.5px;margin:10px 0 8px}
.lead{color:var(--muted);max-width:640px;font-size:17px}
.section-head{margin-bottom:40px}

/* ÉTAPES — une vraie séquence, d'où la numérotation */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;counter-reset:s}
.step{
  position:relative;background:linear-gradient(180deg,var(--surface),var(--bg-soft));
  border:1px solid var(--line);border-radius:20px;padding:26px 24px;counter-increment:s;
}
.step::before{
  content:counter(s,decimal-leading-zero);
  display:block;font-size:13px;font-weight:900;letter-spacing:2px;color:var(--acc);margin-bottom:14px;
}
.step h3{font-size:19px;font-weight:800;margin-bottom:8px}
.step p{color:var(--muted);font-size:15px}

/* CARACTÉRISTIQUES */
.feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.feat{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px}
.feat .mark{display:block;width:30px;height:3px;border-radius:2px;background:var(--acc);margin-bottom:16px}
.feat h4{margin:0 0 6px;font-size:17px;font-weight:800}
.feat p{color:var(--muted);font-size:14.5px}

/* FICHE TECHNIQUE */
.specs{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.spec{background:var(--bg-soft);padding:22px 20px}
.spec dt{font-size:11px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted-2);margin-bottom:6px}
.spec dd{font-size:16px;font-weight:700}

/* AVERTISSEMENT */
.notice{
  border-left:3px solid var(--acc);background:var(--surface);
  border-radius:0 14px 14px 0;padding:20px 24px;margin-top:34px;
}
.notice p{color:var(--muted);font-size:14.5px}
.notice b{color:var(--text)}

/* AUTRES APPS */
.more{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.more a{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;
  transition:transform .2s,border-color .2s;
}
.more a:hover{transform:translateY(-3px);border-color:var(--ac2,var(--line))}
.more .n{font-size:17px;font-weight:800;margin-bottom:4px}
.more .t{color:var(--muted);font-size:14px}

/* FOOTER */
footer{border-top:1px solid var(--line);padding:38px 0;color:var(--muted-2)}
.foot-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:2px;color:var(--text)}
.foot-brand img{width:26px;height:26px;border-radius:50%}
.foot-links{display:flex;gap:22px;font-size:14px;flex-wrap:wrap}
.foot-links a{color:var(--muted)}
.foot-links a:hover{color:var(--text)}
.copy{font-size:13px;color:var(--muted-2);width:100%;margin-top:14px}

@media(max-width:720px){
  .nav-links{position:fixed;inset:66px 0 auto 0;flex-direction:column;gap:0;background:rgba(10,10,13,.98);
    border-bottom:1px solid var(--line);padding:8px 0;transform:translateY(-140%);transition:transform .25s;height:auto}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 24px;width:100%;font-size:16px}
  .burger{display:block}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}
