:root{--ink:#1B2A4A;--ink-soft:#42527A;--teal:#0FB5AE;--teal-deep:#0A8F89;--coral:#FF6B6B;--canary:#FFD166;--peri:#EEF2FF;--peri-deep:#DDE4FF;--white:#FFFFFF;--mist:#F7F9FF;--line:#E4E9F7;--shadow:24px 24px 60px rgba(27,42,74,.10);--shadow-sm:0 10px 30px rgba(27,42,74,.08)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'IBM Plex Sans Arabic',sans-serif;background:var(--mist);color:var(--ink);line-height:1.9;overflow-x:hidden}
h1,h2,h3,h4,.display{font-family:'Tajawal',sans-serif}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.nav{position:sticky;top:0;z-index:100;background:rgba(247,249,255,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:'Tajawal';font-weight:900;font-size:1.25rem}
.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--teal),var(--teal-deep));display:grid;place-items:center;position:relative;box-shadow:0 8px 20px rgba(15,181,174,.35)}
.brand-mark span{display:block;width:5px;border-radius:3px;background:var(--white);position:absolute;bottom:11px}
.brand-mark .b1{height:9px;right:9px}.brand-mark .b2{height:15px;right:18.5px}.brand-mark .b3{height:20px;right:28px;background:var(--canary)}
.nav-links{display:flex;align-items:center;gap:28px;font-weight:500;font-size:.96rem}
.nav-links a{color:var(--ink-soft);transition:color .2s}.nav-links a:hover{color:var(--ink)}.nav-links a.active{color:var(--teal-deep);font-weight:600}
.nav-cta{background:var(--ink);color:var(--white);padding:11px 22px;border-radius:12px;font-weight:600;font-family:'Tajawal';transition:transform .2s,box-shadow .2s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(27,42,74,.25)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px}
.arthead{background:linear-gradient(180deg,var(--white),var(--mist));border-bottom:1px solid var(--line);padding:34px 0 40px}
.crumb{display:flex;gap:8px;flex-wrap:wrap;color:var(--ink-soft);font-size:.86rem;margin-bottom:18px}
.crumb a:hover{color:var(--teal-deep)}.crumb .sep{color:var(--peri-deep)}
.cat-tag{display:inline-block;background:var(--peri);color:var(--teal-deep);padding:6px 15px;border-radius:100px;font-weight:700;font-size:.8rem;margin-bottom:16px;border:1px solid var(--peri-deep)}
.arttitle{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:900;line-height:1.3;letter-spacing:-.3px;max-width:900px}
.artmeta{display:flex;gap:20px;flex-wrap:wrap;margin-top:18px;color:var(--ink-soft);font-size:.9rem;font-weight:500}
.artmeta .mi{display:flex;align-items:center;gap:7px}
.artwrap{max-width:820px;margin:0 auto;padding:0 24px}
.layout{display:block;padding:44px 0 20px}
.toc{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px 26px;margin-bottom:36px;box-shadow:var(--shadow-sm)}
.toc h2{font-size:1.05rem;font-weight:800;margin-bottom:14px;color:var(--ink)}
.toc h2::before{display:none}
.toc ol{list-style:none;counter-reset:t;display:grid;gap:9px;margin:0;padding:0}
.toc li{counter-increment:t;font-size:.95rem;padding:0}
.toc li::before{display:none}
.toc li a{color:var(--ink-soft);transition:color .2s;display:flex;gap:10px}
.toc li a::before{content:counter(t);background:var(--peri);color:var(--teal-deep);width:24px;height:24px;border-radius:7px;display:grid;place-items:center;font-weight:700;font-size:.8rem;flex-shrink:0;font-family:'Tajawal'}
.toc li a:hover{color:var(--teal-deep)}
.prose{font-size:1.08rem;color:#243456}
.prose h2{font-size:clamp(1.4rem,3vw,1.85rem);font-weight:800;margin:44px 0 16px;line-height:1.4;scroll-margin-top:90px;color:var(--ink)}
.prose h2::before{content:"";display:block;width:52px;height:4px;border-radius:3px;background:linear-gradient(90deg,var(--teal),var(--canary));margin-bottom:14px}
.prose h3{font-size:1.28rem;font-weight:700;margin:28px 0 12px;color:var(--ink)}
.prose p{margin-bottom:18px}
.prose ul,.prose ol{margin:0 22px 20px 0;padding-right:6px;display:grid;gap:10px}
.prose li{padding-right:6px}
.prose ul li{list-style:none;position:relative;padding-right:26px}
.prose ul li::before{content:"";position:absolute;right:2px;top:11px;width:9px;height:9px;border-radius:3px;background:var(--teal);transform:rotate(45deg)}
.prose ol{list-style:none;counter-reset:n}
.prose ol li{counter-increment:n;position:relative;padding-right:38px}
.prose ol li::before{content:counter(n);position:absolute;right:0;top:1px;background:var(--peri);color:var(--teal-deep);width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-weight:700;font-size:.82rem;font-family:'Tajawal'}
.prose strong{color:var(--ink);font-weight:700}
.prose a{color:var(--teal-deep);font-weight:600;border-bottom:1px solid var(--peri-deep)}
.prose a:hover{border-color:var(--teal)}
.prose blockquote{background:var(--peri);border-right:4px solid var(--teal);border-radius:0 14px 14px 0;padding:18px 22px;margin:24px 0;color:var(--ink);font-weight:500}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.98rem;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.prose table thead{background:var(--ink);color:#fff}
.prose th,.prose td{padding:13px 16px;text-align:right;border-bottom:1px solid var(--line)}
.prose tbody tr:nth-child(even){background:var(--white)}
.prose tbody tr:nth-child(odd){background:var(--mist)}
.prose figure,.prose .tablewrap{overflow-x:auto;margin:24px 0}
.callout{background:linear-gradient(135deg,#F0FBFA,#EAF9F7);border:1px solid #CDEEEB;border-radius:16px;padding:20px 24px;margin:26px 0}
.callout b{font-family:'Tajawal';color:var(--teal-deep)}
.faq-sec{margin:48px 0 10px}
.faq-sec>h2{font-size:1.6rem;font-weight:900;margin-bottom:20px}
.faq-sec>h2::before{display:none}
.acc-item{background:var(--white);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.acc-item[open]{box-shadow:var(--shadow-sm)}
.acc-item summary{padding:18px 22px;font-family:'Tajawal';font-weight:700;font-size:1.02rem;cursor:pointer;display:flex;align-items:center;justify-content:space-between;list-style:none;gap:14px}
.acc-item summary::-webkit-details-marker{display:none}
.acc-item summary .q-ic{width:30px;height:30px;border-radius:9px;background:var(--peri);display:grid;place-items:center;flex-shrink:0;transition:transform .3s,background .3s;color:var(--teal-deep);font-weight:800}
.acc-item[open] summary .q-ic{transform:rotate(45deg);background:var(--teal-deep);color:#fff}
.acc-body{padding:0 22px 20px;color:var(--ink-soft);line-height:1.85}
.cta-box{background:linear-gradient(135deg,var(--teal),var(--teal-deep));border-radius:24px;padding:40px;text-align:center;margin:44px 0;color:#fff;box-shadow:0 24px 50px rgba(15,181,174,.3)}
.cta-box h2{font-size:1.5rem;font-weight:900;color:#fff;margin-bottom:10px}
.cta-box h2::before{display:none}
.cta-box p{color:rgba(255,255,255,.92);margin-bottom:22px}
.cta-box a{display:inline-block;background:#fff;color:var(--teal-deep);padding:13px 28px;border-radius:12px;font-family:'Tajawal';font-weight:800;transition:transform .2s}
.cta-box a:hover{transform:translateY(-3px)}
.pillar-link{display:flex;align-items:center;gap:14px;background:var(--white);border:1px solid var(--line);border-right:4px solid var(--teal);border-radius:14px;padding:18px 22px;margin:30px 0;transition:transform .2s}
.pillar-link:hover{transform:translateX(-5px)}
.pillar-link .pi{width:44px;height:44px;border-radius:12px;background:var(--peri);display:grid;place-items:center;flex-shrink:0}
.pillar-link small{display:block;color:var(--ink-soft);font-size:.8rem}
.pillar-link b{font-family:'Tajawal';font-size:1.05rem;color:var(--ink)}
.related{margin:50px 0}
.related>h2{font-size:1.5rem;font-weight:900;margin-bottom:22px}
.related>h2::before{display:none}
.rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.rel-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px;transition:transform .25s,box-shadow .25s;display:block}
.rel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.rel-card .rc-tag{font-size:.75rem;font-weight:700;color:var(--teal-deep);margin-bottom:8px;display:block}
.rel-card h3{font-size:1.08rem;font-weight:700;line-height:1.5;color:var(--ink)}
.hub-hero{padding:56px 0 30px;text-align:center}
.hub-hero .tag{display:inline-block;background:var(--peri);color:var(--teal-deep);padding:7px 16px;border-radius:100px;font-weight:700;font-size:.82rem;margin-bottom:16px;border:1px solid var(--peri-deep)}
.hub-hero h1{font-size:clamp(2rem,4.5vw,3rem);font-weight:900;margin-bottom:14px}
.hub-hero p{font-size:1.12rem;color:var(--ink-soft);max-width:620px;margin:0 auto}
.theme-sec{padding:30px 0}
.theme-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.theme-head .tn{width:44px;height:44px;border-radius:13px;background:linear-gradient(135deg,var(--teal),var(--teal-deep));color:#fff;display:grid;place-items:center;font-family:'Tajawal';font-weight:900;font-size:1.2rem;flex-shrink:0}
.theme-head h2{font-size:1.5rem;font-weight:900}
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.art-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;gap:10px}
.art-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.art-card h3{font-size:1.08rem;font-weight:700;line-height:1.55;color:var(--ink)}
.art-card p{font-size:.9rem;color:var(--ink-soft);flex:1}
.art-card .more{color:var(--teal-deep);font-weight:700;font-size:.88rem;margin-top:4px}
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sol-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px;transition:transform .25s,border-color .25s,box-shadow .25s;display:flex;align-items:center;gap:14px}
.sol-card:hover{transform:translateY(-5px);border-color:var(--teal);box-shadow:var(--shadow-sm)}
.sol-card .si{width:46px;height:46px;border-radius:12px;background:var(--peri);display:grid;place-items:center;flex-shrink:0}
.sol-card h3{font-size:1.03rem;font-weight:700;color:var(--ink)}
.footer{background:var(--white);border-top:1px solid var(--line);padding:60px 0 28px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot-brand p{color:var(--ink-soft);margin:16px 0 20px;max-width:300px;font-size:.94rem}
.foot-social{display:flex;gap:12px}
.foot-social a{width:40px;height:40px;border-radius:11px;background:var(--peri);display:grid;place-items:center;transition:transform .2s}
.foot-social a:hover{transform:translateY(-3px)}
.foot-col h4{font-family:'Tajawal';font-weight:800;font-size:1.05rem;margin-bottom:16px}
.foot-col a{display:block;color:var(--ink-soft);margin-bottom:11px;font-size:.94rem;transition:color .2s}
.foot-col a:hover{color:var(--teal-deep)}
.foot-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--ink-soft);font-size:.88rem}
@media(max-width:960px){.nav-links{display:none}.burger{display:flex}.art-grid,.sol-grid{grid-template-columns:repeat(2,1fr)}.rel-grid{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.wrap,.artwrap{padding:0 18px}.art-grid,.sol-grid{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr}}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:6px}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}