:root{--ink:var(--text,#172033);--muted:#68758b;--page:var(--bg,#f6f8fc);--card:var(--surface,#fff);--primary:var(--brand,#5b46e8);--dark:var(--brand-dark,#111827);--highlight:var(--accent,#f59e42);--border:color-mix(in srgb,var(--ink) 10%,transparent)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--page);color:var(--ink);font-family:'Tajawal',sans-serif;overflow-x:hidden}a{text-decoration:none;color:inherit}button{font:inherit}.topbar{height:78px;display:flex;align-items:center;gap:34px;padding:0 max(5vw,24px);background:color-mix(in srgb,var(--card) 91%,transparent);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;backdrop-filter:blur(18px)}.brand{display:flex;gap:11px;align-items:center;font-weight:900;margin-left:auto}.brand-logo{max-width:44px;max-height:44px;object-fit:contain}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--primary),var(--highlight));color:#fff}.topbar nav{display:flex;gap:26px;color:var(--muted);font-weight:700}.topbar nav a:hover{color:var(--primary)}.header-cta{padding:10px 17px;border-radius:12px;background:color-mix(in srgb,var(--primary) 9%,transparent);color:var(--primary);font-weight:800}.hero{min-height:560px;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:50px;padding:70px max(7vw,28px);position:relative;isolation:isolate;background:radial-gradient(circle at 15% 15%,color-mix(in srgb,var(--primary) 13%,transparent),transparent 32%),radial-gradient(circle at 90% 0,color-mix(in srgb,var(--highlight) 10%,transparent),transparent 28%),linear-gradient(135deg,var(--card),var(--page))}.hero:after{content:"";position:absolute;inset:0;background-image:radial-gradient(color-mix(in srgb,var(--primary) 16%,transparent) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(90deg,transparent,#000 40%,transparent);opacity:.5;z-index:-1}.hero-copy{max-width:720px}.eyebrow{font-weight:900;color:var(--primary);font-size:.92rem}.hero h1{font-size:clamp(3rem,5.6vw,5.4rem);line-height:1.04;letter-spacing:-2px;margin:16px 0 20px}.hero h1 span{color:var(--primary)}.hero p{font-size:1.16rem;line-height:1.95;color:var(--muted);max-width:650px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:14px;font-weight:900;border:1px solid transparent;transition:.2s}.btn:hover{transform:translateY(-2px)}.primary{background:linear-gradient(135deg,var(--primary),color-mix(in srgb,var(--primary) 70%,#9b8cff));color:#fff;box-shadow:0 14px 35px color-mix(in srgb,var(--primary) 24%,transparent)}.glass{background:color-mix(in srgb,var(--card) 75%,transparent);border-color:var(--border)}.light{background:#fff;color:#172033}.hero-stats{display:flex;gap:26px;margin-top:35px;color:var(--muted);font-size:.9rem}.hero-stats span{display:flex;align-items:center;gap:7px}.hero-stats b{color:var(--ink);font-size:1.1rem}.hero-visual{height:420px;position:relative;display:grid;place-items:center}.visual-orb{position:absolute;width:330px;height:330px;border-radius:50%;background:linear-gradient(145deg,color-mix(in srgb,var(--primary) 22%,#fff),color-mix(in srgb,var(--highlight) 15%,#fff));filter:blur(.2px);box-shadow:inset 0 0 70px #fff8}.mini-system{position:absolute;width:270px;min-height:92px;background:color-mix(in srgb,var(--card) 88%,transparent);border:1px solid #fff;border-radius:22px;padding:12px;display:flex;align-items:center;gap:13px;box-shadow:0 22px 60px #18223b1a;backdrop-filter:blur(14px)}.mini-system img{width:74px;height:66px;object-fit:cover;border-radius:15px}.mini-system small{display:block;color:var(--muted);margin-bottom:4px}.mini-system strong{font-size:1.08rem}.mini-1{top:28px;right:2%}.mini-2{top:165px;left:0}.mini-3{bottom:18px;right:13%}.visual-placeholder{position:relative;z-index:2;padding:45px;border-radius:28px;background:var(--card);box-shadow:0 24px 70px #18223b1a;text-align:center}.visual-placeholder span{color:var(--primary);font-weight:800}.visual-placeholder strong{display:block;font-size:2rem;margin-top:8px}.slider-wrap{padding:42px max(5vw,24px) 18px}.slider{max-width:1500px;margin:auto;position:relative;border-radius:30px;overflow:hidden;box-shadow:0 24px 70px #18223b1c;background:#111}.slides{position:relative;aspect-ratio:2.65/1;min-height:330px;max-height:560px}.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transform:scale(1.025);transition:opacity .7s ease,transform 1.2s ease,visibility .7s}.slide.active{opacity:1;visibility:visible;transform:scale(1);z-index:2}.slide picture,.slide img{width:100%;height:100%;display:block}.slide img{object-fit:cover}.slide-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,15,28,.12),rgba(9,15,28,.68))}.slide-shade.no-shade{background:linear-gradient(0deg,rgba(9,15,28,.2),transparent 45%)}.slide-content{position:absolute;z-index:3;inset:0;padding:clamp(28px,5vw,70px);display:flex;flex-direction:column;justify-content:center;color:#fff;max-width:720px}.slide-content.pos-right{margin-left:auto;align-items:flex-start;text-align:right}.slide-content.pos-left{margin-right:auto;align-items:flex-start;text-align:right}.slide-content.pos-center{margin:auto;align-items:center;text-align:center}.slide-kicker{font-weight:900;font-size:.85rem;padding:7px 11px;border:1px solid #ffffff55;background:#ffffff1f;border-radius:99px;backdrop-filter:blur(8px)}.slide-content h2{font-size:clamp(2rem,4.5vw,4rem);line-height:1.08;margin:15px 0 8px}.slide-content p{font-size:1.1rem;line-height:1.8;max-width:600px;margin:0 0 22px;color:#f1f5f9}.slider-arrow{position:absolute;z-index:5;top:50%;transform:translateY(-50%);width:46px;height:46px;border:1px solid #ffffff55;border-radius:50%;background:#0f172a55;color:#fff;font-size:2rem;cursor:pointer;backdrop-filter:blur(8px)}.slider-arrow:hover{background:#fff;color:#111}.slider-arrow.prev{right:20px}.slider-arrow.next{left:20px}.slider-dots{position:absolute;z-index:5;bottom:22px;left:50%;transform:translateX(-50%);display:flex;gap:7px}.slider-dots button{width:8px;height:8px;padding:0;border:0;border-radius:99px;background:#ffffff88;transition:.25s}.slider-dots button.active{width:30px;background:#fff}.slider-progress{position:absolute;z-index:5;bottom:0;right:0;left:0;height:3px;background:#ffffff25}.slider-progress i{display:block;height:100%;width:0;background:#fff}@keyframes sliderProgress{from{width:0}to{width:100%}}.section{padding:82px max(6vw,24px)}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}.section-head h2{font-size:clamp(2rem,3.3vw,3rem);margin:7px 0 0}.section-head p{color:var(--muted);max-width:520px;line-height:1.8}.systems-section{background:var(--page)}.system-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.system-card{background:var(--card);border:1px solid var(--border);border-radius:26px;overflow:hidden;transition:.3s;box-shadow:0 10px 30px #22304a0a}.system-card:hover{transform:translateY(-7px);box-shadow:0 25px 60px #22304a18}.system-media{height:235px;position:relative;overflow:hidden;background:#eef2f7}.system-media img,.cover-placeholder{width:100%;height:100%;object-fit:cover;transition:.5s}.system-card:hover .system-media img{transform:scale(1.035)}.cover-placeholder{display:grid;place-items:center;font-size:4rem;font-weight:900;background:linear-gradient(135deg,var(--system-accent),#eaf4ff);color:#fff}.system-arrow{position:absolute;left:16px;top:16px;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#172033;font-size:1.2rem;box-shadow:0 8px 25px #0002}.badge{position:absolute;right:16px;top:16px;display:inline-flex;padding:7px 11px;border-radius:99px;background:var(--system-accent);color:#fff;font-size:.78rem;font-weight:900}.card-body{padding:23px}.card-body h3{font-size:1.45rem;margin:0 0 9px}.card-body p{color:var(--muted);line-height:1.75;min-height:56px}.more{color:var(--system-accent);font-weight:900}.more b{transition:.2s;display:inline-block}.system-card:hover .more b{transform:translateX(-5px)}.experience{margin:20px max(5vw,24px);border-radius:34px;padding:70px max(4vw,30px);background:linear-gradient(135deg,var(--dark),color-mix(in srgb,var(--dark) 75%,var(--primary)));color:#fff;display:grid;grid-template-columns:.8fr 1.2fr;gap:55px}.experience .eyebrow{color:#b8c7ff}.experience h2{font-size:clamp(2.2rem,4vw,3.7rem);line-height:1.15;margin:12px 0}.experience>div>p{color:#cbd5e1;line-height:1.9}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.steps article{padding:25px;border:1px solid #ffffff20;border-radius:22px;background:#ffffff0c}.steps b{color:#aebcff}.steps h3{font-size:1.15rem}.steps p{color:#cbd5e1;line-height:1.7;font-size:.92rem}.tutorial-section{background:color-mix(in srgb,var(--primary) 3%,var(--card))}.tutorial-home-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.tutorial-home-card{background:var(--card);border:1px solid var(--border);border-radius:22px;overflow:hidden;transition:.25s}.tutorial-home-card:hover{transform:translateY(-4px);box-shadow:0 18px 45px #17203312}.tutorial-home-card img,.tutorial-icon{width:100%;height:190px;object-fit:cover}.tutorial-icon{display:grid;place-items:center;background:linear-gradient(135deg,color-mix(in srgb,var(--primary) 12%,#fff),color-mix(in srgb,var(--highlight) 9%,#fff));font-size:2rem;font-weight:900;color:var(--primary)}.tutorial-home-card>div:last-child{padding:20px}.tutorial-home-card span{font-size:.82rem;color:var(--primary);font-weight:800}.tutorial-home-card h3{margin:7px 0;font-size:1.18rem}.tutorial-home-card p{color:var(--muted);line-height:1.6;margin-bottom:0}.final-cta{margin:30px max(5vw,24px) 70px;padding:45px max(4vw,28px);border-radius:30px;background:linear-gradient(120deg,var(--primary),color-mix(in srgb,var(--primary) 70%,var(--highlight)));color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px}.final-cta span{opacity:.85}.final-cta h2{font-size:clamp(1.7rem,3vw,2.8rem);margin:7px 0}.empty{padding:30px;background:var(--card);border:1px dashed #cbd2df;border-radius:18px;color:var(--muted)}footer{padding:35px max(5vw,24px);color:var(--muted);background:var(--card);border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:20px}footer strong{color:var(--ink)}footer p{margin:5px 0}footer>a{font-weight:900;color:var(--primary)}
/* existing detail pages */.system-hero{padding:70px max(6vw,24px);display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}.system-hero img{width:100%;max-height:420px;object-fit:cover;border-radius:30px}.system-hero h1,.lesson h1{font-size:clamp(2.2rem,5vw,4.6rem)}.actions{display:flex;gap:12px;flex-wrap:wrap}.outline{border-color:var(--border);background:var(--card)}.tutorial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tutorial-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:22px}.kind{display:inline-flex;padding:6px 10px;border-radius:99px;background:color-mix(in srgb,var(--primary) 9%,#fff);color:var(--primary);font-size:.8rem;font-weight:800}.lesson-shell{display:grid;grid-template-columns:330px 1fr;min-height:calc(100vh - 78px)}.lesson-list{background:var(--card);border-left:1px solid var(--border);padding:28px 20px}.lesson-link{display:block;padding:13px;border-radius:13px;margin:5px 0;font-weight:700}.lesson-link.active{background:color-mix(in srgb,var(--primary) 9%,#fff);color:var(--primary)}.lesson{padding:55px max(5vw,28px);max-width:1100px}.video-box,.file-box,.prose{display:block;background:var(--card);border:1px solid var(--border);border-radius:22px;padding:35px;margin-top:28px;line-height:2}.lesson-image{max-width:100%;border-radius:22px}
@media(max-width:980px){.hero{grid-template-columns:1fr;min-height:auto}.hero-visual{height:320px}.system-grid,.tutorial-home-grid,.tutorial-grid{grid-template-columns:repeat(2,1fr)}.experience{grid-template-columns:1fr}.topbar nav{display:none}.lesson-shell{grid-template-columns:1fr}.lesson-list{border-left:0;border-bottom:1px solid var(--border)}}
@media(max-width:620px){.topbar{height:68px;padding:0 18px}.brand span:last-child{font-size:.95rem}.header-cta{display:none}.hero{padding:50px 20px 35px;gap:20px}.hero h1{font-size:2.75rem;letter-spacing:-1px}.hero p{font-size:1rem}.hero-actions .btn{flex:1}.hero-stats{gap:12px;justify-content:space-between}.hero-stats span{display:block;text-align:center}.hero-stats b{display:block}.hero-visual{height:260px}.visual-orb{width:220px;height:220px}.mini-system{width:205px;min-height:72px;padding:8px;border-radius:17px}.mini-system img{width:52px;height:52px}.mini-1{top:8px}.mini-2{top:96px}.mini-3{bottom:4px}.slider-wrap{padding:22px 14px 8px}.slider{border-radius:22px}.slides{aspect-ratio:auto;height:430px;min-height:0}.slide-content{padding:28px 24px;justify-content:flex-end;max-width:none}.slide-content h2{font-size:2rem}.slide-content p{font-size:.95rem}.slider-arrow{width:38px;height:38px}.slider-arrow.prev{right:10px}.slider-arrow.next{left:10px}.slider-dots{bottom:14px}.section{padding:58px 20px}.section-head{display:block}.system-grid,.tutorial-home-grid,.tutorial-grid{grid-template-columns:1fr}.system-media{height:220px}.experience{margin:8px 14px;padding:45px 22px;border-radius:26px}.steps{grid-template-columns:1fr}.final-cta{margin:20px 14px 45px;padding:32px 22px;display:block}.final-cta .btn{margin-top:16px;width:100%}footer{display:block;text-align:center}.system-hero{grid-template-columns:1fr;padding:45px 20px}.lesson{padding:35px 20px}.actions .btn{width:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* Local tutorial video player */
.local-video-box{margin-top:28px;overflow:hidden;border:1px solid var(--border);border-radius:22px;background:#0b1220;box-shadow:0 18px 45px rgba(16,24,40,.10)}
.tutorial-video{display:block;width:100%;max-height:72vh;aspect-ratio:16/9;background:#000;object-fit:contain}
@media(max-width:700px){.local-video-box{border-radius:14px}.tutorial-video{max-height:62vh}}
/* v8 brand prominence */
.topbar{height:82px}.brand-logo{width:auto;max-width:72px;max-height:58px}.brand{font-size:17px}.brand img{filter:drop-shadow(0 4px 10px #10182812)}
@media(max-width:700px){.topbar{height:68px}.brand-logo{max-width:56px;max-height:46px}.brand>span:last-child{font-size:14px}}

/* Public evidence CTA */
.header-tools{display:flex;align-items:center;gap:9px}.evidence-cta{display:inline-flex;align-items:center;gap:7px;padding:10px 15px;border-radius:12px;background:var(--primary);color:#fff;font-weight:900;box-shadow:0 8px 20px color-mix(in srgb,var(--primary) 18%,transparent)}.evidence-cta span{color:var(--accent)}@media(max-width:700px){.header-tools .header-cta{display:none}.evidence-cta{padding:9px 11px;font-size:.82rem}.topbar{gap:10px}}