:root{
  --blue:#007AFF;--blue2:#0A84FF;--green:#34C759;
  --ink:#0B1220;--ink2:#5B6675;--body:#2A3647;--bg:#fff;--bg2:#F2F5F9;
  --line:rgba(11,18,32,.09);--shadow:0 20px 50px rgba(10,40,90,.12),0 4px 14px rgba(10,40,90,.05);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --ar:'Cairo',-apple-system,'Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.7;}
[dir=rtl] body{font-family:var(--ar);line-height:1.9;}
a{color:var(--blue);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px;}

header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line);}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:62px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;font-family:var(--font);color:var(--ink);}
.brand:hover{text-decoration:none;}
.brand img{width:28px;height:28px;border-radius:8px;}
.hlinks{display:flex;align-items:center;gap:20px;}
.hlinks a{color:var(--ink2);font-weight:600;font-size:14px;}
.hlinks a:hover{color:var(--ink);text-decoration:none;}
.hlinks .lang{border:1px solid var(--line);border-radius:9px;padding:6px 12px;font-family:var(--font);}

.article{max-width:740px;margin:0 auto;padding:40px 22px 0;}
.crumbs{font-size:13px;color:var(--ink2);margin-bottom:16px;}
.crumbs a{color:var(--ink2);}
.article h1{font-size:clamp(28px,5vw,40px);font-weight:800;line-height:1.22;letter-spacing:-.02em;color:var(--ink);}
[dir=rtl] .article h1{line-height:1.4;letter-spacing:0;}
.pmeta{display:flex;align-items:center;gap:10px;color:var(--ink2);font-size:14px;margin:14px 0 30px;}
.pmeta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink2);}
.body{font-size:18px;color:var(--body);line-height:1.85;}
[dir=rtl] .body{line-height:2.05;font-size:17.5px;}
.body h2{font-size:25px;font-weight:800;color:var(--ink);margin:36px 0 12px;letter-spacing:-.01em;}
.body h3{font-size:20px;font-weight:700;color:var(--ink);margin:26px 0 8px;}
.body p{margin:0 0 18px;}
.body ul,.body ol{margin:0 0 18px;padding-inline-start:26px;}
.body li{margin-bottom:9px;}
.body strong{font-weight:700;color:var(--ink);}
.body em{color:var(--ink2);font-style:italic;}
.body blockquote{border-inline-start:3px solid var(--blue);background:var(--bg2);padding:14px 20px;border-radius:10px;margin:0 0 18px;color:var(--ink);}
.body a{font-weight:600;}

.cta-box{background:linear-gradient(135deg,#E8F1FF,#F2F5F9);border:1px solid var(--line);border-radius:20px;padding:30px 26px;margin:38px 0;text-align:center;}
.cta-box h3{font-size:21px;font-weight:800;margin-bottom:6px;color:var(--ink);}
.cta-box p{color:var(--ink2);font-size:15px;margin-bottom:18px;}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--blue);color:#fff;font-weight:700;font-size:16px;font-family:var(--font);
  padding:14px 28px;border-radius:14px;box-shadow:0 10px 26px rgba(0,122,255,.32);}
.btn:hover{background:var(--blue2);text-decoration:none;}
.btn svg{width:18px;height:18px;}

.related{border-top:1px solid var(--line);margin-top:46px;padding-top:26px;}
.related .k{font-size:12px;color:var(--ink2);font-weight:700;letter-spacing:.07em;text-transform:uppercase;margin-bottom:12px;}
[dir=rtl] .related .k{letter-spacing:0;}
.related a{display:block;padding:9px 0;font-weight:600;color:var(--ink);}
.related a:hover{color:var(--blue);text-decoration:none;}

/* blog index */
.ihead{text-align:center;padding:52px 22px 10px;}
.ihead h1{font-size:clamp(30px,5vw,44px);font-weight:800;letter-spacing:-.02em;}
.ihead p{color:var(--ink2);font-size:18px;margin-top:10px;}
.cards{max-width:820px;margin:34px auto 0;display:flex;flex-direction:column;gap:18px;padding:0 22px;}
.card{display:block;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;transition:transform .15s,box-shadow .15s,border-color .15s;}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#d4e2f5;text-decoration:none;}
.cthumb{width:100%;aspect-ratio:1200/630;object-fit:cover;display:block;background:#0B1636;}
.cbody{padding:22px 26px;}
.card h2{font-size:21px;font-weight:800;color:var(--ink);margin-bottom:6px;}
.card p{color:var(--ink2);font-size:15px;}
.card .rd{color:var(--blue);font-weight:700;font-size:14px;margin-top:12px;display:inline-block;}

/* comparison table */
.tablewrap{overflow-x:auto;margin:26px 0;-webkit-overflow-scrolling:touch;border-radius:14px;}
.cmp{width:100%;border-collapse:separate;border-spacing:0;font-size:15.5px;min-width:332px;}
.cmp th,.cmp td{padding:13px 15px;text-align:center;border-bottom:1px solid var(--line);vertical-align:middle;}
@media(max-width:560px){
  .cmp{font-size:13.5px;}
  .cmp th,.cmp td{padding:10px 9px;}
  .cmp thead th{font-size:13px;}
}
.cmp thead th{font-weight:800;color:var(--ink);background:var(--bg2);font-size:15px;}
.cmp thead th:first-child{background:transparent;}
.cmp th:first-child,.cmp td.lbl{text-align:start;font-weight:700;color:var(--ink);}
.cmp .gj{background:rgba(0,122,255,.065);}
.cmp thead th.gj{background:var(--blue);color:#fff;border-top-left-radius:12px;border-top-right-radius:12px;}
.cmp tbody tr:last-child td.gj{border-bottom-left-radius:12px;border-bottom-right-radius:12px;}
.cmp tbody tr:last-child td{border-bottom:none;}
.cmp tbody td{color:var(--body);}
.cmp .yes{color:var(--green);font-weight:800;}
.cmp .no{color:#E0526B;font-weight:800;}
.cmp .dash{color:var(--ink2);}

/* article images */
.article .cover{width:100%;aspect-ratio:1200/630;object-fit:cover;border-radius:16px;margin:0 0 28px;box-shadow:var(--shadow);}
.stepsfig{margin:34px 0;}
.stepsfig img{width:100%;border-radius:16px;border:1px solid var(--line);}
.stepsfig figcaption{text-align:center;color:var(--ink2);font-size:14px;margin-top:10px;}

footer{background:#0B1220;color:#AEB7C4;padding:40px 0;text-align:center;font-size:14px;margin-top:60px;}
footer .brand{color:#fff;justify-content:center;margin-bottom:12px;display:inline-flex;}
footer a{color:#AEB7C4;margin:0 10px;}
footer a:hover{color:#fff;}