/* ستيب ستودنت — تنسيق المقالات (مشتق من ألوان الشعار) */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#070B1A; --surface:#0F1730; --surface2:#16203F; --line:#253157;
  --text:#EAEEFB; --muted:#97A2C6; --faint:#6B77A0;
  --blue:#3D7BFF; --violet:#A24BF7;
  --grad:linear-gradient(135deg,#3D7BFF 0%,#A24BF7 100%);
  --ok:#3DDC97; --gold:#FFC24B; --r:14px;
}
body{min-height:100vh;display:flex;flex-direction:column;background:var(--ink);color:var(--text);
  font-family:"Tajawal",-apple-system,"Segoe UI",Tahoma,sans-serif;direction:rtl;line-height:1.95;
  -webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(700px 400px at 90% -6%,rgba(143,35,244,.14),transparent 60%),
             radial-gradient(640px 400px at 4% 2%,rgba(1,55,179,.18),transparent 58%)}
body>*{position:relative;z-index:1}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--violet);outline-offset:2px;border-radius:6px}
.en{direction:ltr;text-align:left;display:inline-block;font-family:"Inter",monospace;
  background:var(--surface2);padding:1px 8px;border-radius:6px;font-size:.9em}

.top{display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:12px clamp(14px,4vw,26px);border-bottom:1px solid var(--line);
  background:rgba(7,11,26,.82);backdrop-filter:blur(12px);position:sticky;top:0;z-index:50}
.brand{display:flex;align-items:center;gap:10px}
.brand:hover{text-decoration:none}
.brand img{height:34px;width:auto;display:block}
.wordmark{display:flex;flex-direction:column;line-height:1.08;text-align:right}
.wordmark b{font-size:17px;font-weight:800;letter-spacing:-.2px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.wordmark span{font-size:10.5px;color:var(--faint);font-weight:500}
.nav-cta{background:var(--grad);color:#fff;border-radius:11px;padding:9px 18px;font-weight:800;font-size:14px;
  box-shadow:0 6px 18px rgba(90,60,220,.3);white-space:nowrap}
.nav-cta:hover{text-decoration:none;filter:brightness(1.09)}

.wrap{flex:1;max-width:780px;margin:0 auto;width:100%;padding:clamp(26px,5vw,40px) clamp(14px,4vw,22px) 20px}
.crumb{font-size:13px;color:var(--faint);margin-bottom:16px}
.crumb a{color:var(--muted)}
h1{font-size:clamp(25px,5vw,37px);line-height:1.32;font-weight:800;letter-spacing:-.5px;margin-bottom:10px}
.meta{color:var(--faint);font-size:13.5px;margin-bottom:24px;font-weight:500}
.lead{font-size:17px;color:#C6D0EC;background:var(--surface);border-right:3px solid transparent;
  border-image:var(--grad) 1;border-radius:0 var(--r) var(--r) 0;padding:16px 18px;margin-bottom:28px}
h2{font-size:clamp(20px,3.6vw,25px);font-weight:800;margin:34px 0 12px;letter-spacing:-.3px}
h3{font-size:17.5px;font-weight:700;margin:24px 0 8px;color:#C6D0EC}
p{margin-bottom:15px}
ul,ol{margin:0 22px 17px}
li{margin-bottom:8px}
strong{color:#fff;font-weight:700}
em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700}

.tipbox{background:var(--surface2);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;margin:22px 0}
.tipbox .t{color:var(--gold);font-weight:800;margin-bottom:5px}
.example{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:15px 17px;margin:17px 0;direction:ltr;text-align:left;font-family:"Inter",system-ui,sans-serif}
.example .q{font-weight:600;margin-bottom:7px;font-size:15.5px}
.example .a{color:var(--ok);font-size:15px}

table{width:100%;border-collapse:collapse;margin:18px 0;direction:ltr;font-size:15px;
  font-family:"Inter",system-ui,sans-serif}
th,td{border:1px solid var(--line);padding:9px 13px;text-align:left}
th{background:var(--surface2);color:var(--violet);font-weight:600}
td:first-child{font-weight:600}
td:last-child{color:var(--ok)}

.cta-block{background:var(--surface);border:1px solid var(--line);border-radius:18px;
  padding:26px;text-align:center;margin:34px 0 10px;position:relative;overflow:hidden}
.cta-block::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad)}
.cta-block h3{margin:0 0 7px;color:#fff;font-size:19px;font-weight:800}
.cta-block p{color:var(--muted);margin-bottom:17px;font-size:14.5px}
.cta-btn{display:inline-block;background:var(--grad);color:#fff;border-radius:12px;
  padding:12px 32px;font-weight:800;font-size:15.5px;box-shadow:0 7px 20px rgba(90,60,220,.32)}
.cta-btn:hover{text-decoration:none;filter:brightness(1.09)}

.more{margin-top:36px;border-top:1px solid var(--line);padding-top:20px}
.more h3{margin-top:0}
.more a{display:block;padding:11px 0;border-bottom:1px solid var(--line);color:var(--muted);font-weight:500}
.more a:hover{color:var(--text);text-decoration:none}

/* الإعلانات: لا تظهر إلا عند لصق كود AdSense */
.ad-slot{width:100%;display:flex;justify-content:center;overflow:hidden}
.ad-slot:not(:empty){margin:26px 0}

.foot{margin-top:auto;border-top:1px solid var(--line);padding:24px 20px;text-align:center}
.foot .slogan{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-weight:700;font-size:13px;margin-bottom:8px}
.foot .links{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:9px;font-size:13.5px}
.foot .links a{color:var(--muted);font-weight:500}
.foot .links span{color:var(--faint)}
.foot .cr{color:var(--faint);font-size:12px}

@media (prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important}}
@media(max-width:520px){.wordmark span{display:none}}