/* =========================================================
   LifeOS by Venturis 13 — feuille de style commune
   Noir profond + or, typographie Cormorant Garamond / Space Grotesk
   Propriétés "logiques" (inline-start/end) : compatible droite-à-gauche
   ========================================================= */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800;900&display=swap");

:root{
  /* Palette reprise du site Atomy */
  --black:#0b1020;
  --coal:rgba(8,12,26,.45);
  --panel:rgba(15,23,51,.60);
  --line:#27325a;
  --line-2:rgba(255,255,255,.14);
  --text:#eaf0ff;
  --muted:#a8b3d6;
  --gold:#7c5cff;        /* accent principal (violet) */
  --gold-2:#a993ff;
  --gold-ink:#ffffff;
  --member:#25c2a0;      /* accent membre (turquoise) */
  --green:#25c2a0;
  --red:#ff4d6d;
  --serif:Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --sans:Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --r-lg:18px; --r:14px; --r-sm:12px;
}
*{box-sizing:border-box}
html,body{
  font-family:var(--sans); color:var(--text); line-height:1.6; min-height:100vh; -webkit-font-smoothing:antialiased;
  background:
    radial-gradient(1100px 700px at 20% 15%, rgba(124,92,255,.35), transparent 55%),
    radial-gradient(900px 600px at 80% 25%, rgba(37,194,160,.25), transparent 55%),
    linear-gradient(180deg, #0b1020, #0f1a3a);
  background-attachment:fixed;
}
body{
  font-family:var(--sans); color:var(--text); line-height:1.6;
  background:
    radial-gradient(1200px 700px at 100% -10%, rgba(217,174,91,.13), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(217,174,91,.06), transparent 60%),
    var(--black);
  min-height:100vh; -webkit-font-smoothing:antialiased;
}
/* Écritures non latines : polices système adaptées */
:lang(ar) body, :lang(fa) body, :lang(ur) body, :lang(he) body,
:lang(hi) body, :lang(bn) body, :lang(ta) body, :lang(th) body, :lang(am) body,
:lang(zh-CN) body, :lang(zh-TW) body, :lang(ja) body, :lang(ko) body{ --serif:var(--sans); }

a{color:inherit}
:focus-visible{outline:2px solid var(--gold); outline-offset:2px}
@media (prefers-reduced-motion: reduce){ *{transition:none !important; animation:none !important} }
[hidden]{display:none !important}

h1,h2,h3{font-family:var(--sans); font-weight:800; letter-spacing:-.01em; line-height:1.2; margin:0}

/* ---------- Marque ---------- */
.brand{display:flex; align-items:center; gap:12px; text-decoration:none}
.brand-logo{width:38px; height:38px; border-radius:14px; object-fit:cover}
.brand-mark{width:38px; height:38px; border-radius:14px; flex:none; background:linear-gradient(135deg,#7c5cff,#25c2a0); box-shadow:0 12px 30px rgba(124,92,255,.22)}
.brand-word{font-size:15px; font-weight:900; color:var(--text); line-height:1.2}
.brand-by{display:block; font-family:var(--sans); font-size:11px; color:var(--muted); margin-top:3px; letter-spacing:.02em}

/* ---------- Sélecteur de langue (drapeaux) ---------- */
.lang-switch{position:relative; display:inline-block}
.lang-btn{
  display:inline-flex; align-items:center; gap:10px; cursor:pointer;
  padding:7px 12px; border-radius:999px; font:inherit; font-size:13px; font-weight:500;
  background:var(--coal); color:var(--text); border:1px solid var(--line-2);
}
.lang-btn:hover{border-color:var(--gold)}
.lang-btn .caret{width:7px; height:7px; border-inline-end:1.5px solid var(--muted); border-block-end:1.5px solid var(--muted);
  transform:rotate(45deg); margin:-3px 2px 0 4px}
.lang-btn[aria-expanded="true"] .caret{transform:rotate(-135deg); margin-top:3px}
.flag{width:22px; height:16px; border-radius:3px; object-fit:cover; flex:none; box-shadow:0 0 0 1px rgba(255,255,255,.15)}
.lang-list{
  position:absolute; inset-inline-end:0; top:calc(100% + 6px); z-index:50;
  min-width:220px; max-height:min(60vh,420px); overflow-y:auto;
  margin:0; padding:6px; list-style:none;
  background:var(--panel); border:1px solid var(--line-2); border-radius:var(--r);
  box-shadow:0 20px 50px rgba(0,0,0,.55);
}
.lang-list li{display:flex; align-items:center; gap:10px; padding:9px 10px; border-radius:var(--r-sm); cursor:pointer; font-size:14px}
.lang-list li:hover,.lang-list li:focus{background:rgba(217,174,91,.10); outline:none}
.lang-list li[aria-selected="true"]{color:var(--gold-2)}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 18px; border-radius:999px; border:1px solid transparent;
  font:inherit; font-weight:600; font-size:14px; text-decoration:none; cursor:pointer;
  background:linear-gradient(135deg, #7c5cff, #4f46e5); color:#fff; box-shadow:0 12px 30px rgba(124,92,255,.20);
  transition:filter .15s ease, transform .1s ease;
}
.btn:hover{filter:brightness(1.05)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.6; cursor:wait}
.btn.ghost{background:transparent; color:var(--text); border-color:var(--line-2)}
.btn.ghost:hover{border-color:var(--gold)}
.btn.block{width:100%}

/* ---------- Formulaires ---------- */
label{display:block; font-size:13px; color:var(--muted); margin:0 0 6px}
input,select,textarea{
  width:100%; padding:12px 13px; border-radius:var(--r-sm);
  border:1px solid var(--line); background:var(--coal); color:var(--text);
  font:inherit; font-size:14px; outline:none; transition:border-color .15s ease;
}
input:focus,select:focus,textarea:focus{border-color:var(--gold)}
textarea{min-height:110px; resize:vertical}
.field{margin-block-end:14px}
.row{display:grid; grid-template-columns:1fr 1fr; gap:12px}
@media (max-width:560px){ .row{grid-template-columns:1fr} }
.check{display:flex; gap:10px; align-items:flex-start; font-size:13px; color:var(--muted); margin:4px 0 18px; cursor:pointer}
.check input{width:auto; margin-block-start:4px; accent-color:var(--gold)}
.hp{position:absolute; inset-inline-start:-9999px; width:1px; height:1px; overflow:hidden}

.msg{margin-block-start:12px; padding:10px 12px; border-radius:var(--r-sm); font-size:13px; display:none}
.msg.err{display:block; color:#FBD9D4; background:rgba(224,122,111,.10); border:1px solid rgba(224,122,111,.35)}
.msg.ok{display:block; color:#D8F5E4; background:rgba(111,207,151,.10); border:1px solid rgba(111,207,151,.35)}

/* ---------- Pages simples (accès, contact, merci) ---------- */
.topline{display:flex; justify-content:space-between; align-items:center; gap:16px; padding:22px clamp(16px,4vw,48px)}
.split{display:grid; place-items:center; padding:12px 16px 48px; min-height:calc(100vh - 90px)}
.split-shell{width:min(1080px,100%); display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(24px,5vw,64px); align-items:center}
@media (max-width:900px){ .split-shell{grid-template-columns:1fr} }
.intro h1{font-size:clamp(40px,6vw,68px); margin:0 0 18px; color:var(--text)}
.intro h1 + p{font-size:16px; color:var(--muted); max-width:46ch; margin:0 0 26px}
.duo{display:flex; gap:14px; flex-wrap:wrap; margin:0 0 6px}
.duo div{flex:1 1 200px; padding:14px 16px; border-inline-start:2px solid var(--gold)}
.duo strong{display:block; font-family:var(--serif); font-size:22px; font-weight:600; color:var(--gold-2); letter-spacing:.04em}
.duo span{font-size:13px; color:var(--muted)}
.panel{
  background:linear-gradient(180deg, rgba(255,255,255,.02), transparent), var(--panel);
  border:1px solid var(--line); border-radius:var(--r-lg); padding:clamp(20px,3vw,30px);
  box-shadow:0 30px 80px rgba(0,0,0,.45);
}
.panel h2{font-size:28px; margin-block-end:6px}
.panel > p{margin:0 0 20px; color:var(--muted); font-size:14px}
.fine{margin-block-start:16px; font-size:12px; color:var(--muted)}
.panel > p.fine{margin:18px 0 0}
.links{display:flex; gap:18px; flex-wrap:wrap; margin-block-start:22px; font-size:13px}
.links a{color:var(--muted); text-decoration:none; border-block-end:1px solid var(--line-2); padding-block-end:1px}
.links a:hover{color:var(--text)}

.legal{font-size:12px; color:var(--muted); line-height:1.6}