:root{--g50:#f0faf6;--g100:#cceadb;--g200:#99d5b7;--g400:#2ea87b;--g500:#1d9e75;--g600:#0f7a5a;--g700:#0a5a42;--g800:#073d2d;--n0:#fff;--n50:#f7f9f8;--n100:#eef1ef;--n200:#dde3df;--n400:#94a89d;--n600:#4a6358;--n800:#1a2e24;--n900:#0d1a13;--gold:#b8841e;--gold-l:#e8a83a;--gold-bg:#fef8ec;--red:#c0392b;--blue:#2563a8;--teal:#0891b2;--r-sm:8px;--r-md:14px;--r-lg:20px;--r-xl:28px;--r-2xl:36px;--sh-sm:0 1px 3px rgba(0,0,0,.06);--sh-md:0 4px 16px rgba(0,0,0,.08)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:'Cairo',sans-serif;font-weight:700;border-radius:var(--r-md);cursor:pointer;border:none;transition:all .2s;text-decoration:none;line-height:1}
.btn-sm{font-size:13px;padding:.5rem 1.1rem}
.btn-md{font-size:14px;padding:.65rem 1.5rem}
.btn-green{background:var(--g500);color:#fff}
.btn-green:hover{background:var(--g600)}
.btn-ghost{background:transparent;color:var(--n600);border:1.5px solid var(--n100)}
.btn-white{background:#fff;color:var(--g700)}
.reading-progress{position:fixed;top:0;right:0;left:0;height:3px;background:var(--n100);z-index:300}
.rp-fill{height:100%;background:var(--g500);width:0%;transition:width .1s}
.article-wrap{max-width:1140px;margin:0 auto;padding:3rem 2rem;display:grid;grid-template-columns:1fr 300px;gap:4rem;align-items:start}
.article-hero{background:linear-gradient(135deg,#053a4a,var(--teal));border-radius:var(--r-2xl);padding:3rem;margin-bottom:2.5rem;position:relative;overflow:hidden}
.ah-bg{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.03) 1px,transparent 1px);background-size:24px 24px}
.ah-glow{position:absolute;top:-60px;left:-60px;width:350px;height:350px;background:radial-gradient(circle,rgba(8,145,178,.2),transparent 65%)}
.ah-num-deco{position:absolute;bottom:-20px;left:2rem;font-family:'Tajawal',sans-serif;font-weight:900;font-size:9rem;color:rgba(255,255,255,.04);line-height:1;user-select:none}
.ah-inner{position:relative;z-index:2}
.ah-bc{display:flex;align-items:center;gap:.4rem;font-size:12px;color:rgba(255,255,255,.4);margin-bottom:1rem}
.ah-bc a{color:#67e8f9}
.ah-series-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.8);font-size:.8rem;font-weight:700;padding:5px 14px;border-radius:100px;margin-bottom:1rem}
.ah-series-num{background:var(--teal);color:#fff;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:900}
.ah-title{font-family:'Tajawal',sans-serif;font-weight:900;font-size:clamp(1.8rem,3.5vw,2.6rem);color:#fff;line-height:1.15;margin-bottom:1rem}
.ah-meta{display:flex;flex-wrap:wrap;gap:1.25rem;margin-bottom:1.25rem}
.ah-meta span{font-size:13px;color:rgba(255,255,255,.55)}
.ah-excerpt{font-size:1rem;color:rgba(255,255,255,.7);line-height:1.8;max-width:680px}
.ah-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:.65rem;margin-top:1.5rem}
.af-fact{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);padding:.65rem;text-align:center}
.aff-label{font-size:.68rem;color:rgba(255,255,255,.45);margin-bottom:.2rem}
.aff-value{font-family:'Tajawal',sans-serif;font-weight:700;font-size:.85rem;color:#fff;line-height:1.2}
.toc-box{background:var(--n50);border:1.5px solid var(--n100);border-radius:var(--r-lg);padding:1.5rem;margin-bottom:2.5rem}
.toc-title{font-family:'Tajawal',sans-serif;font-weight:700;font-size:1rem;color:var(--n800);margin-bottom:1rem}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:.3rem}
.toc-list li a{font-size:.87rem;color:var(--n600);display:flex;align-items:center;gap:.5rem;padding:.25rem .5rem;border-radius:var(--r-sm);transition:all .15s}
.toc-list li a:hover{background:var(--n100)}
.toc-list li a::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--n200);flex-shrink:0}
.article-body{font-size:1.02rem;color:var(--n800);line-height:1.9}
.article-body h2{font-family:'Tajawal',sans-serif;font-weight:900;font-size:1.65rem;color:var(--n900);margin:2.75rem 0 1rem;padding-bottom:.5rem;border-bottom:2px solid var(--n100)}
.article-body p{margin-bottom:1.25rem;font-weight:300;color:var(--n700)}
.article-body ul{padding-right:1.5rem;margin-bottom:1.25rem}
.article-body li{margin-bottom:.5rem;font-weight:300;color:var(--n700)}
.article-body strong{font-weight:700;color:var(--n900)}
.callout{border-radius:var(--r-lg);padding:1.25rem 1.5rem;margin:2rem 0;display:flex;gap:.85rem}
.callout-icon{font-size:1.5rem;flex-shrink:0;margin-top:.1rem}
.callout-title{font-family:'Tajawal',sans-serif;font-weight:700;font-size:.95rem;margin-bottom:.35rem}
.callout-text{font-size:.88rem;line-height:1.75}
.co-green{background:var(--g50);border:1.5px solid var(--g100)}
.co-green .callout-title{color:var(--g700)}
.co-green .callout-text{color:var(--g600)}
.co-gold{background:var(--gold-bg);border:1.5px solid #f0dba0}
.co-gold .callout-title{color:var(--gold)}
.co-gold .callout-text{color:#7a5000}
.co-teal{background:#f0fdff;border:1.5px solid #a5f3fc}
.co-teal .callout-title{color:var(--teal)}
.co-teal .callout-text{color:#0e4a56}
.card-anatomy{background:var(--n0);border:2px solid var(--n100);border-radius:var(--r-2xl);overflow:hidden;box-shadow:var(--sh-md);margin:2.5rem 0}
.ca-banner{background:linear-gradient(90deg,#053a4a,var(--teal));padding:1.25rem 1.75rem;display:flex;align-items:center;justify-content:space-between}
.ca-banner-title{font-family:'Tajawal',sans-serif;font-weight:900;font-size:1.1rem;color:#fff}
.ca-banner-badge{background:rgba(255,255,255,.15);color:#fff;font-size:.8rem;font-weight:700;padding:3px 12px;border-radius:100px}
.ca-header{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;padding:1.25rem 1.75rem;background:var(--n50);border-bottom:1px solid var(--n100)}
.ca-hfield{background:var(--n0);border:1px solid var(--n100);border-radius:var(--r-sm);padding:.55rem .85rem}
.ca-hfield.teal{background:#f0fdff;border-color:#a5f3fc}
.cf-lbl{font-size:.65rem;color:var(--n400);font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:.15rem}
.cf-val{font-size:.82rem;color:var(--n800);font-weight:600}
.cf-val.auto{color:var(--teal)}
.ca-ledger{padding:0 1.75rem 1.5rem}
.ca-ledger-title{font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--n400);margin:.75rem 0 .5rem}
.ledger-table{width:100%;border-collapse:collapse;font-size:.82rem}
.ledger-table th{background:var(--n800);color:#fff;padding:.5rem .75rem;text-align:center;font-family:'Tajawal',sans-serif;font-weight:700}
.ledger-table th:first-child{text-align:right}
.ledger-table td{padding:.5rem .75rem;border-bottom:1px solid var(--n100);text-align:center;color:var(--n700)}
.ledger-table td:first-child{text-align:right;font-size:.78rem;color:var(--n500)}
.ledger-table .incoming td{background:rgba(29,158,117,.04)}
.ledger-table .incoming td:nth-child(3){color:var(--g600);font-weight:700}
.ledger-table .outgoing td{background:rgba(192,57,43,.04)}
.ledger-table .outgoing td:nth-child(4){color:var(--red);font-weight:700}
.ledger-table .balance td:last-child{font-family:'Tajawal',sans-serif;font-weight:900;color:var(--teal)}
.orders-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:2rem 0}
.order-card{border-radius:var(--r-xl);overflow:hidden;border:1.5px solid}
.order-add{border-color:var(--g100)}
.order-deduct{border-color:#fecaca}
.oc-header{padding:1rem 1.25rem;display:flex;align-items:center;gap:.75rem}
.oc-icon{font-size:1.5rem}
.oc-title{font-family:'Tajawal',sans-serif;font-weight:700;font-size:.95rem;color:#fff}
.oc-body{padding:1rem 1.25rem;background:var(--n0)}
.oc-trigger-label{font-size:.72rem;font-weight:700;color:var(--n400);letter-spacing:.04em;text-transform:uppercase;margin-bottom:.5rem}
.oc-triggers{display:flex;flex-direction:column;gap:.3rem}
.oc-trigger{font-size:.83rem;line-height:1.55;padding:.35rem .65rem;border-radius:var(--r-sm);display:flex;align-items:center;gap:.4rem}
.order-add .oc-trigger{background:var(--g50);color:var(--g700)}
.order-deduct .oc-trigger{background:#fff8f8;color:#8b1a1a}
.oc-trigger::before{content:'←';font-weight:700;flex-shrink:0}
.stock-levels{background:var(--n900);border-radius:var(--r-2xl);padding:2.5rem;margin:2.5rem 0;position:relative;overflow:hidden}
.sl-bg{position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(8,145,178,.07),transparent 65%)}
.sl-inner{position:relative;z-index:2}
.sl-title{font-family:'Tajawal',sans-serif;font-weight:900;font-size:1.1rem;color:#fff;margin-bottom:.3rem}
.sl-sub{font-size:.85rem;color:rgba(255,255,255,.4);margin-bottom:2rem}
.sl-bar{margin-bottom:1.75rem;position:relative}
.sl-bar-track{width:100%;height:36px;background:rgba(255,255,255,.06);border-radius:var(--r-md);position:relative;overflow:hidden}
.sl-bar-min{position:absolute;top:0;bottom:0;right:0;background:rgba(192,57,43,.35);border-radius:var(--r-md) 0 0 var(--r-md)}
.sl-bar-reorder{position:absolute;top:0;bottom:0;right:0;background:rgba(184,132,30,.35)}
.sl-bar-current{position:absolute;top:0;bottom:0;right:0;background:linear-gradient(90deg,rgba(8,145,178,.6),rgba(8,145,178,.8));border-radius:var(--r-md)}
.sl-bar-max{position:absolute;top:0;bottom:0;right:0;width:2px;background:rgba(255,255,255,.3)}
.sl-labels{display:flex;justify-content:space-between;margin-top:.4rem;font-size:.73rem;color:rgba(255,255,255,.5)}
.sl-legend{display:flex;flex-wrap:wrap;gap:1.25rem;margin-top:1.5rem}
.sl-leg-item{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:rgba(255,255,255,.65)}
.sl-leg-dot{width:12px;height:12px;border-radius:3px}
.sl-formulas{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.75rem;margin-top:1.5rem}
.sl-formula{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-lg);padding:1rem}
.slf-title{font-size:.78rem;color:rgba(255,255,255,.5);margin-bottom:.35rem}
.slf-formula{font-family:'Cairo',sans-serif;font-size:.82rem;color:#67e8f9;line-height:1.5;direction:ltr;text-align:left}
.dual-control{display:grid;grid-template-columns:1fr auto 1fr;gap:1rem;align-items:center;margin:2rem 0}
.dc-card{border-radius:var(--r-xl);overflow:hidden;border:1.5px solid}
.dc-4{border-color:var(--teal)}
.dc-5{border-color:var(--g200)}
.dc-header{padding:1rem 1.25rem;text-align:center}
.dc-num{font-family:'Tajawal',sans-serif;font-weight:900;font-size:2rem;line-height:1;margin-bottom:.2rem}
.dc-4 .dc-num{color:#fff}
.dc-5 .dc-num{color:#fff}
.dc-title{font-size:.88rem;color:rgba(255,255,255,.85);font-family:'Tajawal',sans-serif;font-weight:700}
.dc-body{padding:1rem 1.25rem;background:var(--n0)}
.dc-who{font-size:.8rem;font-weight:700;color:var(--n800);margin-bottom:.4rem}
.dc-desc{font-size:.82rem;color:var(--n600);line-height:1.6}
.dc-vs{background:var(--n50);border:2px solid var(--n100);border-radius:50%;width:52px;height:52px;display:flex;align-items:center;justify-content:center;font-family:'Tajawal',sans-serif;font-weight:900;font-size:.9rem;color:var(--n600)}
.series-nav{background:var(--n50);border:1px solid var(--n100);border-radius:var(--r-xl);padding:1.75rem;margin:2.5rem 0}
.sn-title{font-family:'Tajawal',sans-serif;font-weight:700;font-size:1rem;color:var(--n900);margin-bottom:1.1rem}
.sn-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.5rem}
.sn-item{background:var(--n0);border:1px solid var(--n100);border-radius:var(--r-md);padding:.65rem .4rem;transition:all .15s;display:block;text-align:center}
.sn-item:hover{border-color:var(--g200);background:var(--g50)}
.sn-item.current{background:var(--teal);border-color:var(--teal)}
.sn-item.current .sni-num,.sn-item.current .sni-name{color:#fff}
.sni-num{font-family:'Tajawal',sans-serif;font-weight:900;font-size:1rem;color:var(--g500);line-height:1;margin-bottom:.1rem}
.sni-name{font-size:.62rem;color:var(--n500);line-height:1.2}
.inline-cta{background:linear-gradient(135deg,var(--g700),var(--g800));border-radius:var(--r-xl);padding:2rem;margin:2.5rem 0;text-align:center;position:relative;overflow:hidden}
.icta-bg{position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(29,158,117,.15),transparent 70%)}
.icta-inner{position:relative;z-index:2}
.icta-title{font-family:'Tajawal',sans-serif;font-weight:900;font-size:1.3rem;color:#fff;margin-bottom:.5rem}
.icta-sub{font-size:.88rem;color:rgba(255,255,255,.6);margin-bottom:1.25rem}
.icta-btns{display:flex;gap:.65rem;justify-content:center;flex-wrap:wrap}
.article-footer{background:var(--n50);border:1px solid var(--n100);border-radius:var(--r-xl);padding:2rem;margin-top:3rem}
.af-nav{display:flex;justify-content:space-between;gap:1rem;margin-bottom:1.25rem}
.af-card{flex:1;background:var(--n0);border:1px solid var(--n100);border-radius:var(--r-md);padding:1rem;transition:all .15s}
.af-card:hover{border-color:var(--g200)}
.af-label{font-size:.75rem;color:var(--n400);margin-bottom:.25rem}
.af-title{font-family:'Tajawal',sans-serif;font-weight:700;color:var(--n800);line-height:1.3;font-size:.88rem}
.tags-row{display:flex;flex-wrap:wrap;gap:.4rem}
.atag{background:var(--n100);color:var(--n600);font-size:11px;padding:4px 10px;border-radius:100px;font-weight:600}
.article-sidebar{display:flex;flex-direction:column;gap:1.5rem;position:sticky;top:80px}
.sw{background:var(--n0);border:1px solid var(--n100);border-radius:var(--r-lg);padding:1.5rem}
.sw-t{font-family:'Tajawal',sans-serif;font-weight:700;font-size:.95rem;color:var(--n900);margin-bottom:1rem;padding-bottom:.65rem;border-bottom:1px solid var(--n100)}
.toc-s{display:flex;flex-direction:column;gap:.3rem}
.toc-s a{font-size:.82rem;color:var(--n600);padding:.3rem .5rem;border-radius:var(--r-sm);transition:all .15s;border-right:2px solid transparent}
.toc-s a:hover,.toc-s a.active{color:var(--g600);background:var(--g50);border-right-color:var(--g500)}
.ri{display:flex;gap:.6rem;padding:.5rem 0;border-bottom:1px solid var(--n50)}
.ri:last-child{border-bottom:none}
.ri-t{font-size:.82rem;font-weight:700;color:var(--n700);line-height:1.3;transition:color .15s}
.ri:hover .ri-t{color:var(--g600)}
.ri-m{font-size:.7rem;color:var(--n400);margin-top:.1rem}
@media(max-width:1024px){
.article-wrap{grid-template-columns:1fr}
.article-sidebar{position:static}
.orders-grid{grid-template-columns:1fr}
.ca-header{grid-template-columns:1fr 1fr}
.dual-control{grid-template-columns:1fr}
.dc-vs{display:none}
.sl-formulas{grid-template-columns:1fr}
}
@media(max-width:768px){
.ah-facts{grid-template-columns:1fr 1fr}
.ca-header{grid-template-columns:1fr}
.sn-grid{grid-template-columns:repeat(3,1fr)}
.af-nav{flex-direction:column}
}