:root{--primary:#0369a1;--primary-hover:#025282;--primary-soft:#d3e7f2;--primary-faint:#f0f7fc;--accent:#f59e0b;--bg:#f8fbfd;--bg-2:#eef5fa;--card:#ffffff;--ink:#0c2340;--ink-soft:#2f4a6a;--muted:#6b8199;--muted-soft:#94a8bc;--line:#b8cfe0;--line-soft:#d3e0ea;--line-faint:#e7eef4;--success:#10b981;--shadow-sm:0 2px 6px -2px rgba(12,35,64,0.08);--shadow-md:0 8px 24px -8px rgba(12,35,64,0.15);--max-w:1280px;--gutter:24px;--radius-md:12px;--radius-lg:18px;--radius-xl:24px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:'Tajawal',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
.topbar{background:var(--ink);color:#fff;font-size:12.5px;padding:8px 0}
.topbar-inner{max-width:var(--max-w);margin:0 auto;padding:0 var(--gutter);display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.topbar-left{display:flex;gap:16px;align-items:center;font-family:'JetBrains Mono',monospace;font-size:11px}
.topbar-left .item{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,0.85)}
.topbar-left .item svg{width:12px;height:12px}
.topbar-right{display:flex;gap:8px}
.topbar-link{color:rgba(255,255,255,0.85);font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:5px;transition:all 0.15s}
.topbar-link:hover{background:rgba(255,255,255,0.1);color:#fff}
.topbar-link.lang{font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:800;border:1px solid rgba(255,255,255,0.2)}
.nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,0.92);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line-faint);transition:box-shadow 0.2s}
.nav.scrolled{box-shadow:var(--shadow-sm)}
.nav-inner{max-width:var(--max-w);margin:0 auto;padding:0 var(--gutter);height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);flex-shrink:0}
.brand-logo{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--primary) 0%,var(--ink) 100%);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow-md);position:relative;overflow:hidden}
.brand-logo::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,0.25) 0%,transparent 60%)}
.brand-logo svg{width:18px;height:18px;position:relative;z-index:1}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:'Cairo',sans-serif;font-weight:900;font-size:16px;color:var(--ink)}
.brand-tagline{font-family:'JetBrains Mono',monospace;font-size:9.5px;color:var(--muted);font-weight:600;letter-spacing:0.05em}
.nav-links{display:flex;align-items:center;gap:4px}
@media(max-width:980px){.nav-links{display:none}}
.nav-link{padding:9px 14px;font-size:13.5px;font-weight:700;color:var(--ink-soft);border-radius:8px;transition:all 0.15s}
.nav-link:hover{color:var(--primary);background:var(--primary-faint)}
.nav-link.active{color:var(--primary);background:var(--primary-soft)}
.nav-cta{display:flex;align-items:center;gap:8px;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 18px;font-family:inherit;font-size:13.5px;font-weight:700;border-radius:10px;border:none;cursor:pointer;transition:all 0.18s;white-space:nowrap;text-decoration:none}
.btn svg{width:14px;height:14px}
.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-hover) 100%);color:#fff;box-shadow:0 6px 16px -4px rgba(3,105,161,0.4)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{background:var(--card);color:var(--ink);border:1px solid var(--line-soft)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.mobile-toggle{display:none;width:38px;height:38px;background:var(--bg-2);border:none;border-radius:9px;color:var(--ink);cursor:pointer;align-items:center;justify-content:center}
.mobile-toggle svg{width:18px;height:18px}
@media(max-width:980px){.mobile-toggle{display:inline-flex}.nav-cta .btn-ghost{display:none}}
.mobile-drawer{position:fixed;inset:68px 0 0 0;background:var(--card);z-index:39;padding:24px;transform:translateY(-110%);transition:transform 0.3s ease;overflow-y:auto}
.mobile-drawer.open{transform:translateY(0)}
.mobile-drawer .mob-link{display:block;padding:14px 16px;font-size:16px;font-weight:700;color:var(--ink);border-radius:10px;margin-bottom:4px}
.mobile-drawer .mob-link:hover{background:var(--bg-2);color:var(--primary)}
.mobile-drawer .mob-cta{margin-top:16px;padding-top:16px;border-top:1px solid var(--line-soft)}
.container{max-width:var(--max-w);margin:0 auto;padding:0 var(--gutter)}
/* HERO — clean primary blue for beginner content */
.art-hero{background:linear-gradient(135deg,#0c2340 0%,#0369a1 60%,#0891b2 100%);padding:56px 0 64px;position:relative;overflow:hidden}
.art-hero::before{content:'';position:absolute;top:-80px;inset-inline-end:-60px;width:380px;height:380px;background:radial-gradient(circle,rgba(255,255,255,0.08) 0%,transparent 65%);pointer-events:none}
.art-hero::after{content:'';position:absolute;bottom:-60px;inset-inline-start:5%;width:300px;height:300px;background:radial-gradient(circle,rgba(245,158,11,0.1) 0%,transparent 60%);pointer-events:none}
.art-hero-inner{position:relative;z-index:1;max-width:860px}
.art-breadcrumb{display:flex;align-items:center;gap:8px;font-family:'JetBrains Mono',monospace;font-size:11px;color:rgba(255,255,255,0.5);margin-bottom:20px}
.art-breadcrumb a{color:rgba(255,255,255,0.7)}
.art-breadcrumb svg{width:12px;height:12px}
.art-tags{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.art-tag{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:999px;font-family:'JetBrains Mono',monospace;font-size:10.5px;font-weight:800;letter-spacing:0.04em}
.art-tag.intro{background:rgba(255,255,255,0.15);border:1px solid rgba(255,255,255,0.25);color:#fff}
.art-tag.primary{background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);color:rgba(255,255,255,0.85)}
.art-hero h1{font-family:'Cairo',sans-serif;font-size:38px;font-weight:900;color:#fff;letter-spacing:-0.025em;line-height:1.2;margin-bottom:20px}
@media(max-width:768px){.art-hero h1{font-size:25px}}
.art-hero-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.art-author-block{display:flex;align-items:center;gap:10px}
.author-av{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#0891b2,#0c2340);display:flex;align-items:center;justify-content:center;color:#fff;font-family:'Cairo',sans-serif;font-weight:900;font-size:13px;border:2px solid rgba(255,255,255,0.2)}
.author-nm{font-size:14px;font-weight:700;color:#fff}
.author-rl{font-size:11px;color:rgba(255,255,255,0.55);font-family:'JetBrains Mono',monospace}
.art-meta-item{display:flex;align-items:center;gap:5px;font-family:'JetBrains Mono',monospace;font-size:11px;color:rgba(255,255,255,0.6)}
.art-meta-item svg{width:13px;height:13px}
.art-layout{display:grid;grid-template-columns:1fr 300px;gap:56px;padding:64px 0;align-items:start}
@media(max-width:1060px){.art-layout{grid-template-columns:1fr}}
.art-body{max-width:720px}
.art-body p{font-size:17px;line-height:1.85;color:var(--ink-soft);margin-bottom:24px}
.art-body h2{font-family:'Cairo',sans-serif;font-size:27px;font-weight:900;color:var(--ink);letter-spacing:-0.02em;margin-top:52px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--primary-soft)}
.art-body h3{font-family:'Cairo',sans-serif;font-size:20px;font-weight:800;color:var(--ink);margin-top:34px;margin-bottom:12px}
.art-body ul,.art-body ol{margin-bottom:24px;display:flex;flex-direction:column;gap:10px}
.art-body ul li,.art-body ol li{font-size:16.5px;line-height:1.75;color:var(--ink-soft);padding-inline-start:28px;position:relative}
.art-body ul li::before{content:'';position:absolute;inset-inline-start:8px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--primary)}
.art-body ol{counter-reset:olist}
.art-body ol li{counter-increment:olist}
.art-body ol li::before{content:counter(olist);position:absolute;inset-inline-start:0;top:2px;width:22px;height:22px;border-radius:50%;background:var(--primary);color:#fff;font-family:'Cairo',sans-serif;font-weight:900;font-size:12px;display:flex;align-items:center;justify-content:center}
.art-body strong{color:var(--ink);font-weight:800}
.art-toc{background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--radius-md);padding:24px;margin-bottom:40px}
.art-toc-title{font-family:'Cairo',sans-serif;font-weight:900;font-size:15px;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.art-toc-title svg{width:16px;height:16px;color:var(--primary)}
.toc-list{display:flex;flex-direction:column;gap:8px}
.toc-list a{font-size:14px;color:var(--primary);font-weight:600;display:flex;align-items:center;gap:6px;padding:4px 0;transition:all 0.15s}
.toc-list a:hover{padding-inline-start:4px}
.toc-list a span{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--muted-soft);font-weight:700;min-width:22px}
.callout{border-radius:var(--radius-md);padding:20px 24px;margin:32px 0;display:flex;gap:14px;align-items:flex-start}
.callout svg{width:20px;height:20px;flex-shrink:0;margin-top:2px}
.callout-title{font-family:'Cairo',sans-serif;font-weight:800;font-size:15px;margin-bottom:6px}
.callout-text{font-size:15px;line-height:1.7}
.callout.info{background:var(--primary-faint);border:1px solid var(--primary-soft)}
.callout.info svg{color:var(--primary)}
.callout.info .callout-title{color:var(--primary)}
.callout.info .callout-text{color:var(--ink-soft)}
.callout.success{background:#f0fdf4;border:1px solid #bbf7d0}
.callout.success svg{color:#059669}
.callout.success .callout-title{color:#065f46}
.callout.success .callout-text{color:#064e3b}
.callout.warning{background:#fffbeb;border:1px solid #fde68a}
.callout.warning svg{color:#d97706}
.callout.warning .callout-title{color:#92400e}
.callout.warning .callout-text{color:#78350f}
/* BIG DEFINITION */
.definition-box{background:linear-gradient(135deg,#0c2340,#0369a1);border-radius:var(--radius-xl);padding:40px;margin:32px 0;position:relative;overflow:hidden}
.definition-box::before{content:'';position:absolute;top:-50px;inset-inline-end:-50px;width:200px;height:200px;background:radial-gradient(circle,rgba(255,255,255,0.1) 0%,transparent 60%)}
.def-label{font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:800;color:rgba(255,255,255,0.6);letter-spacing:0.12em;margin-bottom:12px}
.def-text{font-family:'Cairo',sans-serif;font-weight:700;font-size:20px;color:#fff;line-height:1.6;position:relative}
.def-text strong{color:#7dd3fc;font-weight:900}
/* COMPONENTS */
.components{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:28px 0}
@media(max-width:640px){.components{grid-template-columns:1fr}}
.comp-card{background:var(--card);border:1.5px solid var(--line-faint);border-radius:var(--radius-md);padding:20px;display:flex;gap:14px;align-items:flex-start;transition:all 0.2s}
.comp-card:hover{border-color:var(--primary-soft);box-shadow:var(--shadow-sm)}
.comp-icon{width:42px;height:42px;border-radius:11px;background:var(--primary-faint);border:1.5px solid var(--primary-soft);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:20px}
.comp-name{font-family:'Cairo',sans-serif;font-weight:800;font-size:14.5px;color:var(--ink);margin-bottom:4px}
.comp-desc{font-size:13px;color:var(--muted);line-height:1.6}
.comp-optional{display:inline-block;margin-top:5px;padding:2px 7px;background:var(--bg-2);border:1px solid var(--line-soft);border-radius:999px;font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:700;color:var(--muted)}
/* PAPER VS DIGITAL */
.pvd{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:28px 0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
@media(max-width:600px){.pvd{grid-template-columns:1fr}}
.pvd-col{padding:24px}
.pvd-col.paper{background:#fff1f2;border-bottom:2px solid #fecaca}
.pvd-col.digital{background:#f0fdf4;border-bottom:2px solid #bbf7d0}
.pvd-title{font-family:'Cairo',sans-serif;font-weight:900;font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.pvd-col.paper .pvd-title{color:#991b1b}
.pvd-col.digital .pvd-title{color:#065f46}
.pvd-item{font-size:14px;line-height:1.6;margin-bottom:7px;display:flex;align-items:flex-start;gap:7px}
.pvd-col.paper .pvd-item{color:#7f1d1d}
.pvd-col.digital .pvd-item{color:#064e3b}
.pvd-item-dot{flex-shrink:0;margin-top:4px;width:8px;height:8px;border-radius:50%}
.pvd-col.paper .pvd-item-dot{background:#dc2626}
.pvd-col.digital .pvd-item-dot{background:#059669}
/* WHO NEEDS */
.sectors{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin:28px 0}
@media(max-width:700px){.sectors{grid-template-columns:1fr 1fr}}
@media(max-width:400px){.sectors{grid-template-columns:1fr}}
.sector{background:var(--card);border:1.5px solid var(--line-faint);border-radius:var(--radius-md);padding:18px;text-align:center;transition:all 0.2s;position:relative;overflow:hidden}
.sector:hover{border-color:var(--primary-soft);box-shadow:var(--shadow-sm)}
.sector::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-hover))}
.sector-emoji{font-size:28px;margin-bottom:8px}
.sector-name{font-family:'Cairo',sans-serif;font-weight:800;font-size:14px;color:var(--ink);margin-bottom:4px}
.sector-note{font-size:12px;color:var(--muted);line-height:1.5}
/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;margin:28px 0}
.faq-item{background:var(--card);border:1.5px solid var(--line-faint);border-radius:var(--radius-md);overflow:hidden}
.faq-q{padding:18px 20px;font-family:'Cairo',sans-serif;font-weight:800;font-size:15px;color:var(--ink);display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.faq-q::after{content:'﹢';font-size:22px;font-weight:400;color:var(--primary);flex-shrink:0}
.faq-a{padding:0 20px 18px;font-size:14.5px;color:var(--ink-soft);line-height:1.75}
/* CTA */
.art-cta-band{background:linear-gradient(135deg,#0c2340,#0369a1);border-radius:var(--radius-xl);padding:48px;margin:56px 0;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.art-cta-band::before{content:'';position:absolute;top:-80px;inset-inline-end:-60px;width:300px;height:300px;background:radial-gradient(circle,rgba(56,189,248,0.15) 0%,transparent 60%);pointer-events:none}
.art-cta-text{position:relative;z-index:1}
.art-cta-text h3{font-family:'Cairo',sans-serif;font-weight:900;font-size:24px;color:#fff;margin-bottom:8px}
.art-cta-text p{font-size:15px;color:rgba(255,255,255,0.72);line-height:1.6;max-width:480px}
.art-cta-btns{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.btn-white{background:#fff;color:var(--primary);font-weight:800;padding:13px 24px;border-radius:11px;font-size:14.5px;display:inline-flex;align-items:center;gap:8px;transition:all 0.18s;text-decoration:none}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 10px 24px -6px rgba(0,0,0,0.2)}
.btn-white svg{width:15px;height:15px}
.btn-outline-w{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,0.35);font-weight:700;padding:12px 22px;border-radius:11px;font-size:14px;display:inline-flex;align-items:center;gap:8px;transition:all 0.18s;text-decoration:none}
.btn-outline-w:hover{border-color:#fff;background:rgba(255,255,255,0.1)}
.tags-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:40px;padding-top:32px;border-top:1px solid var(--line-faint)}
.tags-cloud a{padding:5px 12px;background:var(--bg-2);border:1px solid var(--line-soft);border-radius:999px;font-size:12.5px;font-weight:600;color:var(--ink-soft);transition:all 0.15s}
.tags-cloud a:hover{background:var(--primary-soft);border-color:var(--primary-soft);color:var(--primary)}
.art-sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:88px}
.sidebar-card{background:var(--card);border-radius:var(--radius-lg);border:1px solid var(--line-faint);padding:22px}
.sidebar-title{font-family:'Cairo',sans-serif;font-size:14px;font-weight:800;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:7px}
.sidebar-title svg{width:15px;height:15px;color:var(--primary)}
.related-list{display:flex;flex-direction:column;gap:12px}
.related-item{display:flex;gap:10px;align-items:flex-start;padding:8px;border-radius:8px;transition:background 0.15s;text-decoration:none}
.related-item:hover{background:var(--bg-2)}
.ri-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ri-icon svg{width:16px;height:16px}
.ri-title{font-size:12.5px;font-weight:700;color:var(--ink);line-height:1.4}
.ri-date{font-size:10.5px;color:var(--muted);font-family:'JetBrains Mono',monospace;margin-top:2px}
.share-btns{display:flex;flex-direction:column;gap:8px}
.share-btn{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:9px;border:1.5px solid var(--line-soft);background:var(--card);font-family:'Tajawal',sans-serif;font-size:13.5px;font-weight:700;color:var(--ink-soft);cursor:pointer;transition:all 0.15s}
.share-btn:hover{border-color:var(--primary);color:var(--primary)}
.share-btn svg{width:16px;height:16px}
.footer{background:var(--ink);color:rgba(255,255,255,0.78);padding:64px 0 24px;position:relative;overflow:hidden}
.footer::before{content:'';position:absolute;top:-100px;inset-inline-start:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(3,105,161,0.2) 0%,transparent 60%);pointer-events:none}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;position:relative;z-index:1}
@media(max-width:1000px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr;gap:28px}}
.footer-brand .brand{margin-bottom:14px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-tagline{color:rgba(255,255,255,0.5)}
.footer-tagline{font-size:13.5px;line-height:1.7;margin-bottom:18px;max-width:320px}
.footer-social{display:flex;gap:8px}
.footer-social a{width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.1);display:grid;place-items:center;color:rgba(255,255,255,0.7);transition:all 0.15s}
.footer-social a:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-2px)}
.footer-social a svg{width:15px;height:15px}
.footer-col-title{font-family:'Cairo',sans-serif;font-weight:800;color:#fff;font-size:14px;margin-bottom:14px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:13px;color:rgba(255,255,255,0.65);transition:color 0.15s}
.footer-links a:hover{color:#fff}
.footer-bottom{padding-top:24px;border-top:1px solid rgba(255,255,255,0.08);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;font-size:12px;color:rgba(255,255,255,0.5)}
.footer-trust{display:flex;gap:12px;align-items:center}
.footer-trust-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:999px;font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:700;color:rgba(255,255,255,0.7)}
.footer-trust-badge svg{width:11px;height:11px}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.fade-up{animation:fadeUp 0.6s ease both}
.fade-up-1{animation-delay:0.1s}
.fade-up-2{animation-delay:0.2s}
.art-hero{background:linear-gradient(135deg,#0c2340 0%,#0369a1 55%,#0e7490 100%);padding:56px 0 64px;position:relative;overflow:hidden}
.art-tag.main{background:rgba(3,105,161,0.3);border:1px solid rgba(3,105,161,0.4);color:#7dd3fc}
.art-tag.secondary{background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.22);color:rgba(255,255,255,0.88)}
.art-hero h1{font-family:'Cairo',sans-serif;font-size:36px;font-weight:900;color:#fff;letter-spacing:-0.025em;line-height:1.2;margin-bottom:20px}
@media(max-width:768px){.art-hero h1{font-size:24px}}
.author-av{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,0.2);display:flex;align-items:center;justify-content:center;color:#fff;font-family:'Cairo',sans-serif;font-weight:900;font-size:13px;border:2px solid rgba(255,255,255,0.3)}
.compare-table{width:100%;border-collapse:collapse;margin:28px 0;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}
.compare-table th{background:linear-gradient(135deg,#0c2340,#0369a1);color:#fff;padding:13px 16px;font-family:'Cairo',sans-serif;font-weight:800;font-size:13.5px;text-align:right}
.compare-table td{padding:12px 16px;font-size:14px;border-bottom:1px solid var(--line-faint);color:var(--ink-soft)}
.compare-table tr:nth-child(even) td{background:var(--bg-2)}
.compare-table tr:hover td{background:var(--primary-faint)}
.compare-table .cat{font-weight:800;color:var(--ink)}
.cards-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:28px 0}
@media(max-width:640px){.cards-grid{grid-template-columns:1fr}}
.card-item{background:var(--card);border:1.5px solid var(--line-faint);border-radius:var(--radius-md);padding:20px;position:relative;overflow:hidden;transition:all 0.2s}
.card-item:hover{border-color:var(--primary-soft);box-shadow:var(--shadow-sm)}
.card-item::before{content:'';position:absolute;top:0;inset-inline-start:0;width:4px;height:100%;background:var(--primary)}
.card-num{font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:800;color:var(--primary);letter-spacing:0.1em;margin-bottom:5px}
.card-title{font-family:'Cairo',sans-serif;font-weight:800;font-size:15px;color:var(--ink);margin-bottom:6px}
.card-desc{font-size:13px;color:var(--muted);line-height:1.65}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:28px 0}
@media(max-width:600px){.stat-row{grid-template-columns:1fr 1fr}}
.stat-card{background:var(--card);border:1.5px solid var(--primary-soft);border-radius:var(--radius-md);padding:20px;text-align:center}
.stat-num{font-family:'Cairo',sans-serif;font-weight:900;font-size:30px;color:var(--primary);line-height:1}
.stat-lbl{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.4}
.art-cta-band{background:linear-gradient(135deg,#0c2340,#0369a1);border-radius:var(--radius-xl);padding:48px;margin:56px 0;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.art-hero{background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 45%,#0369a1 100%);padding:56px 0 64px;position:relative;overflow:hidden}
.art-tag.main{background:rgba(3,105,161,0.3);border:1px solid rgba(56,189,248,0.4);color:#7dd3fc}
.callout.danger{background:#fef2f2;border:1.5px solid #fecaca}
.callout.danger svg{color:#dc2626}
.callout.danger .callout-title{color:#991b1b}
.callout.danger .callout-text{color:#7f1d1d}
.b-good{color:#059669;font-weight:800}
.b-bad{color:#dc2626;font-weight:800}
.b-neutral{color:var(--muted);font-weight:600}
.steps-list{display:flex;flex-direction:column;gap:0;margin:32px 0;position:relative}
.steps-list::before{content:'';position:absolute;inset-inline-start:23px;top:46px;bottom:46px;width:2px;background:linear-gradient(180deg,var(--primary),rgba(3,105,161,0.2))}
.step-item{display:flex;gap:16px;padding:14px 0;align-items:flex-start}
.step-dot{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#0c2340);color:#fff;font-family:'Cairo',sans-serif;font-weight:900;font-size:15px;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative;z-index:1;box-shadow:0 0 0 4px var(--bg)}
.step-body{padding-top:8px}
.step-title{font-family:'Cairo',sans-serif;font-weight:800;font-size:16px;color:var(--ink);margin-bottom:5px}
.step-desc{font-size:14.5px;color:var(--ink-soft);line-height:1.7}
.btn-white:hover{transform:translateY(-1px)}
.art-hero{background:linear-gradient(135deg,#0c2340 0%,#065f46 50%,#059669 100%);padding:56px 0 64px;position:relative;overflow:hidden}
.art-tag.main{background:rgba(5,150,105,0.3);border:1px solid rgba(5,150,105,0.4);color:#6ee7b7}
.art-hero{background:linear-gradient(135deg,#0c2340 0%,#0891b2 50%,#0e7490 100%);padding:56px 0 64px;position:relative;overflow:hidden}
.art-hero::before{content:'';position:absolute;top:-80px;inset-inline-end:-60px;width:360px;height:360px;background:radial-gradient(circle,rgba(255,255,255,0.07) 0%,transparent 65%);pointer-events:none}
.art-tag{display:inline-flex;padding:5px 12px;border-radius:999px;font-family:'JetBrains Mono',monospace;font-size:10.5px;font-weight:800;letter-spacing:0.04em}
.art-tag.main{background:rgba(8,145,178,0.3);border:1px solid rgba(8,145,178,0.4);color:#a5f3fc}
.art-tag.sec{background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.22);color:rgba(255,255,255,0.88)}
.art-hero h1{font-family:'Cairo',sans-serif;font-size:35px;font-weight:900;color:#fff;line-height:1.2;margin-bottom:20px}
@media(max-width:768px){.art-hero h1{font-size:23px}}
.art-hero-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.author-av{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,0.2);display:flex;align-items:center;justify-content:center;color:#fff;font-family:'Cairo',sans-serif;font-weight:900;font-size:12px;border:2px solid rgba(255,255,255,0.3)}
.art-body h2{font-family:'Cairo',sans-serif;font-size:26px;font-weight:900;color:var(--ink);margin-top:52px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--primary-soft)}
.art-body h3{font-family:'Cairo',sans-serif;font-size:19px;font-weight:800;color:var(--ink);margin-top:32px;margin-bottom:10px}
.art-body ul li,.art-body ol li{font-size:16px;line-height:1.75;color:var(--ink-soft);padding-inline-start:28px;position:relative}
.art-body ol{counter-reset:ol}
.art-body ol li{counter-increment:ol}
.art-body ol li::before{content:counter(ol);position:absolute;inset-inline-start:0;top:2px;width:22px;height:22px;border-radius:50%;background:var(--primary);color:#fff;font-family:'Cairo',sans-serif;font-weight:900;font-size:12px;display:flex;align-items:center;justify-content:center}
.art-toc{background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--radius-md);padding:22px;margin-bottom:36px}
.art-toc-title{font-family:'Cairo',sans-serif;font-weight:900;font-size:15px;color:var(--ink);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.art-toc-title svg{width:15px;height:15px;color:var(--primary)}
.toc-list{display:flex;flex-direction:column;gap:7px}
.toc-list a{font-size:14px;color:var(--primary);font-weight:600;display:flex;align-items:center;gap:6px;padding:3px 0;transition:all 0.15s}
.callout{border-radius:var(--radius-md);padding:18px 22px;margin:28px 0;display:flex;gap:13px;align-items:flex-start}
.callout svg{width:19px;height:19px;flex-shrink:0;margin-top:2px}
.callout-title{font-family:'Cairo',sans-serif;font-weight:800;font-size:15px;margin-bottom:5px}
.compare-table{width:100%;border-collapse:collapse;margin:24px 0;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}
.compare-table th{background:linear-gradient(135deg,#0c2340,#0369a1);color:#fff;padding:12px 15px;font-family:'Cairo',sans-serif;font-weight:800;font-size:13px;text-align:right}
.compare-table td{padding:11px 15px;font-size:14px;border-bottom:1px solid var(--line-faint);color:var(--ink-soft)}
.b-neutral{color:var(--muted)}
.cards-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}
.card-item{background:var(--card);border:1.5px solid var(--line-faint);border-radius:var(--radius-md);padding:18px;position:relative;overflow:hidden;transition:all 0.2s}
.card-num{font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:800;color:var(--primary);margin-bottom:4px}
.card-title{font-family:'Cairo',sans-serif;font-weight:800;font-size:15px;color:var(--ink);margin-bottom:5px}
.card-desc{font-size:13px;color:var(--muted);line-height:1.6}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}
.stat-card{background:var(--card);border:1.5px solid var(--primary-soft);border-radius:var(--radius-md);padding:18px;text-align:center}
.stat-num{font-family:'Cairo',sans-serif;font-weight:900;font-size:28px;color:var(--primary);line-height:1}
.stat-lbl{font-size:12.5px;color:var(--muted);margin-top:5px;line-height:1.4}
.steps-list{display:flex;flex-direction:column;gap:0;margin:28px 0;position:relative}
.steps-list::before{content:'';position:absolute;inset-inline-start:23px;top:46px;bottom:46px;width:2px;background:linear-gradient(180deg,var(--primary),rgba(3,105,161,0.15))}
.step-item{display:flex;gap:14px;padding:12px 0;align-items:flex-start}
.step-dot{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#0c2340);color:#fff;font-family:'Cairo',sans-serif;font-weight:900;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative;z-index:1;box-shadow:0 0 0 4px var(--bg)}
.step-body{padding-top:6px}
.step-title{font-family:'Cairo',sans-serif;font-weight:800;font-size:15.5px;color:var(--ink);margin-bottom:4px}
.step-desc{font-size:14px;color:var(--ink-soft);line-height:1.7}
.art-cta-band{background:linear-gradient(135deg,#0c2340,#0369a1);border-radius:var(--radius-xl);padding:44px;margin:52px 0;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.art-cta-band::before{content:'';position:absolute;top:-80px;inset-inline-end:-60px;width:280px;height:280px;background:radial-gradient(circle,rgba(56,189,248,0.15) 0%,transparent 60%);pointer-events:none}
.art-cta-text h3{font-family:'Cairo',sans-serif;font-weight:900;font-size:22px;color:#fff;margin-bottom:7px}
.art-cta-text p{font-size:15px;color:rgba(255,255,255,0.72);line-height:1.6;max-width:460px}
.art-cta-btns{display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:1}
.btn-white{background:#fff;color:var(--primary);font-weight:800;padding:12px 22px;border-radius:10px;font-size:14px;display:inline-flex;align-items:center;gap:7px;transition:all 0.18s;text-decoration:none}
.btn-outline-w{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,0.35);font-weight:700;padding:11px 20px;border-radius:10px;font-size:13.5px;display:inline-flex;align-items:center;gap:7px;transition:all 0.18s;text-decoration:none}
.tags-cloud{display:flex;flex-wrap:wrap;gap:7px;margin-top:36px;padding-top:28px;border-top:1px solid var(--line-faint)}
.tags-cloud a{padding:4px 11px;background:var(--bg-2);border:1px solid var(--line-soft);border-radius:999px;font-size:12.5px;font-weight:600;color:var(--ink-soft);transition:all 0.15s}
.art-sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:88px}
.sidebar-card{background:var(--card);border-radius:var(--radius-lg);border:1px solid var(--line-faint);padding:20px}
.sidebar-title{font-family:'Cairo',sans-serif;font-size:14px;font-weight:800;color:var(--ink);margin-bottom:13px;display:flex;align-items:center;gap:7px}
.related-list{display:flex;flex-direction:column;gap:10px}
.related-item{display:flex;gap:10px;align-items:flex-start;padding:7px;border-radius:8px;transition:background 0.15s;text-decoration:none}
.ri-icon{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ri-icon svg{width:15px;height:15px}
.share-btn{display:flex;align-items:center;gap:9px;padding:9px 13px;border-radius:9px;border:1.5px solid var(--line-soft);background:var(--card);font-family:'Tajawal',sans-serif;font-size:13px;font-weight:700;color:var(--ink-soft);cursor:pointer;transition:all 0.15s;width:100%}
.share-btn svg{width:15px;height:15px}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.dt-wa-fab{position:fixed;bottom:22px;left:22px;z-index:9998;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 28px -8px rgba(37,211,102,.62);transition:transform .2s ease,box-shadow .2s ease}
.dt-wa-fab:hover,.dt-wa-fab:focus-visible{transform:translateY(-3px);box-shadow:0 16px 34px -10px rgba(37,211,102,.72);color:#fff}
.dt-wa-fab:focus-visible{outline:3px solid #0b6b37;outline-offset:3px}
.dt-wa-fab svg{width:29px;height:29px;fill:currentColor}
.dt-wa-fab__tip{position:absolute;inset-inline-start:calc(100% + 12px);white-space:nowrap;background:#0f1b14;color:#fff;font-size:13px;line-height:1;padding:9px 13px;border-radius:8px;opacity:0;visibility:hidden;transform:translateX(-6px);transition:opacity .18s ease,transform .18s ease,visibility .18s;pointer-events:none}
.dt-wa-fab:hover .dt-wa-fab__tip,.dt-wa-fab:focus-visible .dt-wa-fab__tip{opacity:1;visibility:visible;transform:none}
@media (max-width:600px){.dt-wa-fab{bottom:16px;left:16px;width:52px;height:52px}.dt-wa-fab__tip{display:none}}
@media (prefers-reduced-motion:reduce){.dt-wa-fab,.dt-wa-fab__tip{transition:none}.dt-wa-fab:hover,.dt-wa-fab:focus-visible{transform:none}}
@media print{.dt-wa-fab{display:none}}