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a{background:#0000!important;border:none!important;border-radius:6px;color:#94a3b8!important;font-size:.86rem;font-weight:500;padding:.45rem .75rem;text-decoration:none;transition:all .15s ease;white-space:nowrap}[data-site-theme=default] .site-nav a:hover{background:#ffffff14!important;color:#fff!important}[data-site-theme=default] .site-nav a.active{background:#ffffff24!important;box-shadow:none!important;color:#fff!important;font-weight:600}[data-site-theme=default] .site-nav a.active:after{display:none}[data-site-theme=default]:not([data-theme=dark]) .site-nav .dropdown-content a{color:#0f172a!important;color:var(--ink)!important}[data-site-theme=default]:not([data-theme=dark]) .site-nav .dropdown-content a.active,[data-site-theme=default]:not([data-theme=dark]) .site-nav .dropdown-content a:hover{background:#f1f5f9!important;background:var(--paper-2)!important;color:#2563eb!important;color:var(--blue)!important}[data-site-theme=default] .hamburger,[data-site-theme=default] .theme-toggle{background:#ffffff14!important;border:1px solid #ffffff24!important;border-radius:6px;color:#cbd5e1!important;font-size:.8rem;font-weight:600;height:36px;min-width:40px;padding:0 .75rem;transition:all .15s ease;width:auto}[data-site-theme=default] .hamburger:hover,[data-site-theme=default] .theme-toggle:hover{background:#ffffff26!important;border-color:#ffffff40!important;color:#fff!important;transform:none}[data-site-theme=default] .header-auth-btn{align-items:center;background:#38bdf8!important;border:none!important;border-radius:6px;color:#0b1120!important;display:inline-flex;font-size:.86rem;font-weight:600;height:36px;justify-content:center;padding:0 1.1rem;text-decoration:none;transition:opacity .15s ease;white-space:nowrap}[data-site-theme=default] .header-auth-btn:hover{background:#38bdf8!important;opacity:.9}[data-site-theme=default] .hamburger span{background:#fff}[data-site-theme=default] .mobile-nav{background:#0b1120;border-bottom:1px solid #ffffff1a}[data-site-theme=default] .mobile-nav a{color:#94a3b8}[data-site-theme=default] .mobile-nav a.active,[data-site-theme=default] .mobile-nav a:hover{background:#ffffff1a;color:#fff}[data-site-theme=default] .home-page{background:#f8fafc;background:var(--paper,#f8fafc)}[data-site-theme=default] .home-hero{align-items:center;gap:clamp(2rem,5vw,4rem);grid-template-columns:minmax(0,1fr) minmax(460px,1.25fr);margin:0 auto;max-width:1360px;min-height:auto;padding:clamp(3rem,6vw,5rem) clamp(1rem,4vw,2rem) 2.5rem}[data-site-theme=default] .hero-copy h1{color:#0f172a!important;color:var(--ink,#0f172a)!important;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif!important;font-size:clamp(2.4rem,4.5vw,3.8rem)!important;font-weight:850!important;letter-spacing:-.03em!important;line-height:1.1!important;margin:0 0 1.25rem!important}[data-site-theme=default] .hero-copy p:not(.eyebrow){color:#64748b!important;color:var(--muted,#475569)!important;font-size:1.15rem!important;line-height:1.65!important;margin:0 0 2rem!important;max-width:560px!important}[data-site-theme=default] .primary-action{align-items:center!important;background:#0056d2!important;border:none!important;border-radius:8px!important;box-shadow:0 4px 14px #0056d240!important;color:#fff!important;display:inline-flex!important;font-size:1rem!important;font-weight:600!important;padding:.82rem 1.8rem!important;text-decoration:none!important;transition:all .2s ease!important}[data-site-theme=default] .primary-action:hover{background:#0043a8!important;box-shadow:0 8px 20px #0056d259!important;transform:translateY(-2px)!important}.hero-image-container,[data-site-theme=default] 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100%)!important;max-width:820px;object-fit:contain;position:relative;transform:scale(1.06);transition:transform .35s cubic-bezier(.16,1,.3,1),filter .35s ease;width:100%;z-index:1}.hero-graph-img:hover,[data-site-theme=default] .hero-graph-img:hover{filter:drop-shadow(0 24px 52px rgba(14,165,233,.4))!important;transform:translateY(-4px) scale(1.09)}[data-site-theme=default][data-theme=dark] .hero-graph-img,[data-theme=dark] .hero-graph-img{filter:drop-shadow(0 20px 48px rgba(56,189,248,.38))!important;-webkit-mask-image:radial-gradient(ellipse 90% 86% at 50% 50%,#000 56%,#0000 100%)!important;mask-image:radial-gradient(ellipse 90% 86% at 50% 50%,#000 56%,#0000 100%)!important}.course-hero-image-container{align-items:center;display:flex;justify-content:center;margin:0 auto;max-width:540px;position:relative;width:100%}.course-hero-img{background:#0000!important;border:none!important;box-shadow:none!important;filter:drop-shadow(0 14px 38px 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1px 0 #18213d0a,0 8px 24px #18213d0f;--c-footer-bg:#131a33;--c-footer-text:#e6eaf5;--c-footer-muted:#a3aecb;--c-footer-border:#ffffff14;--c-footer-accent:#fde047;--c-sidebar-bg:#fbfcfe;--c-sidebar-text:#3a4560;--c-sidebar-muted:#8a94ad;--c-sidebar-active-bg:#fde0478c;--c-sidebar-active-text:#18213d;--c-table-head-bg:#eef2f9;--c-table-head-text:#18213d;--c-code-bg:#eef2f9;--c-shadow-sm:0 1px 2px #18213d0d,0 1px 6px #18213d0a;--c-shadow-md:0 4px 18px #18213d12;--c-shadow-lg:0 16px 40px #18213d1c;--c-radius-sm:6px;--c-radius:10px;--c-radius-lg:14px;--c-radius-pill:999px;--c-font-sans:"Source Sans 3",Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--c-font-serif:"Lora",Georgia,"Times New Roman",serif;--c-font-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;--c-font-math:"Cambria Math","KaTeX_Main","Times New 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6px 24px #00000059;--c-footer-bg:#070c18;--c-footer-text:#e2e8f0;--c-footer-muted:#94a3b8;--c-footer-border:#ffffff12;--c-footer-accent:#38bdf8;--c-highlight:#facc1538;--c-highlight-text:#fef3c7;--c-grid:rgba(125,160,255,.045);--c-sidebar-bg:#0d1526;--c-sidebar-text:#cbd5e1;--c-sidebar-muted:#64748b;--c-sidebar-active-bg:#facc1524;--c-sidebar-active-text:#fde68a;--c-table-head-bg:#1a2740;--c-table-head-text:#f1f5f9;--c-code-bg:#162236;--c-shadow-sm:0 1px 2px #0006;--c-shadow-md:0 6px 22px #00000073;--c-shadow-lg:0 18px 44px 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24px #2b201540;--c-footer-bg:#2b2015;--c-footer-text:#f3e7cf;--c-footer-muted:#c9b48e;--c-footer-border:#fff4dc1a;--c-footer-accent:#f2b45a;--c-highlight:#eab3084d;--c-highlight-text:#3a2c1a;--c-grid:#7a48140f;--c-sidebar-bg:#f7efdd;--c-sidebar-text:#4f3f2a;--c-sidebar-muted:#a08d6c;--c-sidebar-active-bg:#eab3084d;--c-sidebar-active-text:#3a2c1a;--c-table-head-bg:#eadcbd;--c-table-head-text:#3a2c1a;--c-code-bg:#efe5cf;--c-shadow-sm:0 1px 2px #50371412,0 1px 6px #5037140d;--c-shadow-md:0 4px 18px #50371417;--c-shadow-lg:0 16px 40px 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