:root { --brand:#46909E; --ink:#111827; --muted:#6b7280; --line:#e5e7eb; }
*{box-sizing:border-box}
body{margin:0;background:#f7f8fa;color:var(--ink);
     font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.65}
header{background:linear-gradient(135deg,#46909E,#35727E);color:#fff;padding:40px 20px;text-align:center}
header .logo{font-size:34px;font-weight:900;letter-spacing:-1px}
header p{margin:6px 0 0;opacity:.9;font-size:15px}
.wrap{max-width:820px;margin:-20px auto 60px;padding:0 16px}
.card{background:#fff;border-radius:20px;padding:28px;box-shadow:0 4px 20px rgba(0,0,0,.05);margin-bottom:20px}
.tabs{display:flex;gap:8px;justify-content:center;margin:24px 0;flex-wrap:wrap}
.tabs button{border:0;padding:10px 20px;border-radius:999px;cursor:pointer;
     font-weight:700;font-size:14px;background:#fff;color:var(--muted);
     box-shadow:0 2px 8px rgba(0,0,0,.06)}
.tabs button.active{background:var(--brand);color:#fff}
h2{font-size:22px;margin:0 0 6px}
h3{font-size:16px;margin:24px 0 6px;color:var(--brand)}
p,li{font-size:15px;color:#374151}
ul{padding-inline-start:20px}
.updated{color:var(--muted);font-size:13px;margin-bottom:18px}
.contact{background:#eff6ff;border-radius:14px;padding:16px;margin-top:22px}
.contact a{color:var(--brand);font-weight:700;text-decoration:none}
section{display:none}
section.active{display:block}
[dir="rtl"]{text-align:right}
footer{text-align:center;color:#9ca3af;font-size:12px;padding:20px}
.nav{display:flex;gap:10px;justify-content:center;margin-top:16px;flex-wrap:wrap}
.nav a{color:#fff;background:rgba(255,255,255,.18);padding:8px 16px;border-radius:999px;
       text-decoration:none;font-size:14px;font-weight:600}
.nav a:hover{background:rgba(255,255,255,.3)}
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:8px}
.feat div{background:#f9fafb;border:1px solid var(--line);border-radius:14px;padding:16px}
.feat strong{display:block;color:var(--brand);margin-bottom:4px}
.store{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.store a{background:var(--brand);color:#fff;text-decoration:none;font-weight:700;
         padding:12px 22px;border-radius:999px;font-size:15px}