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100%);z-index:0}.hero-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;text-align:left;gap:16px;padding-left:10vw}.hero-title{font-family:var(--font-display);font-size:clamp(2.5rem,4.5vw,3.8rem);font-weight:800;line-height:1.15;color:var(--color-text);letter-spacing:-.03em}.hero-title-accent{color:var(--color-text);display:block;font-size:1.5rem;font-weight:500;letter-spacing:.1em;color:var(--color-primary);text-transform:uppercase;margin-bottom:8px}.dark .hero-title-accent{color:var(--color-primary)}.hero-sub{font-size:1.1rem;color:var(--color-text-muted);line-height:1.6;max-width:500px;font-weight:400;margin-bottom:12px}.hero-profile-header{display:none}.hero-stack-panel{position:relative;z-index:1;display:flex;justify-content:center;align-items:center;width:100%;margin-top:0;padding-right:5vw}.hero-image-wrapper{max-width:450px;width:100%;aspect-ratio:3/4;-o-object-fit:cover;object-fit:cover;border-radius:8px;box-shadow:var(--shadow-xl)}.stack-label{font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-sub)}.stack-grid{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:10px;max-width:700px}.stack-chip{display:inline-flex;align-items:center;gap:6px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:5px 11px;font-family:var(--font-mono);font-size:.78rem;color:var(--color-text);box-shadow:var(--shadow-sm);transition:border-color .2s,transform .2s}.stack-chip:hover{border-color:var(--chip-color, var(--color-accent));transform:translateY(-1px)}.stack-chip-dot{width:7px;height:7px;border-radius:50%;background:var(--chip-color, #888);flex-shrink:0}.stack-terminal{background:#0d1117;border:1px solid #21262D;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-md);width:100%;max-width:600px}.terminal-bar{background:#161b22;padding:8px 12px;display:flex;align-items:center;gap:6px}.terminal-bar span{width:11px;height:11px;border-radius:50%}.terminal-bar span:nth-child(1){background:#ff5f57}.terminal-bar span:nth-child(2){background:#ffbd2e}.terminal-bar span:nth-child(3){background:#28ca42}.terminal-title{font-family:var(--font-mono);font-size:.72rem;color:#ffffff59;margin-left:8px}.terminal-body{padding:14px 16px;font-family:var(--font-mono);font-size:.8rem;line-height:1.8;color:#abb2bf}.t-prompt{color:#61dafb;margin-right:6px}.t-ok{color:#98c379}.t-dim{color:#5c6370}.t-cursor{display:inline-block;color:#fbbf24;animation:blink .9s step-end infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.highlights-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.highlight-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px 20px;text-align:center;transition:transform .22s,box-shadow .22s,border-color .22s;box-shadow:var(--shadow-sm)}.highlight-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--color-primary)}.highlight-icon{width:48px;height:48px;border-radius:50%;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}.highlight-label{font-family:var(--font-display);font-weight:700;font-size:.95rem;color:var(--color-text);margin-bottom:4px;letter-spacing:-.01em}.highlight-desc{font-family:var(--font-mono);font-size:.72rem;color:var(--color-text-muted)}.projects-grid{display:flex;flex-direction:column;gap:16px}.project-card{display:flex;align-items:center;gap:20px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:22px 24px;transition:transform .22s,box-shadow .22s,border-color .22s;box-shadow:var(--shadow-sm);cursor:pointer}.project-card:hover{transform:translate(4px);box-shadow:var(--shadow-md);border-left:3px solid var(--color-accent)}.project-card-icon{width:50px;height:50px;border-radius:var(--radius-md);background:color-mix(in srgb,var(--accent, #FBBF24) 15%,transparent);color:var(--accent, #FBBF24);display:flex;align-items:center;justify-content:center;flex-shrink:0;border:1px solid color-mix(in srgb,var(--accent, #FBBF24) 30%,transparent)}.project-card-body{flex:1}.project-card-title{font-family:var(--font-display);font-weight:700;font-size:1rem;color:var(--color-text);margin-bottom:4px;letter-spacing:-.01em}.project-card-desc{font-size:.875rem;color:var(--color-text-muted);margin-bottom:10px;line-height:1.55}.project-stack{display:flex;flex-wrap:wrap;gap:6px}.project-tag{background:var(--color-bg-muted);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:2px 9px;font-family:var(--font-mono);font-size:.72rem;color:var(--color-text-muted)}.project-arrow{color:var(--color-text-sub);flex-shrink:0;transition:transform .2s,color .2s}.project-card:hover .project-arrow{color:var(--color-accent);transform:translate(3px)}.cta-band{background:var(--color-primary);padding:56px 24px}.cta-band-inner{max-width:1000px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}.cta-band-text h2{font-family:var(--font-display);font-size:clamp(1.35rem,3vw,1.85rem);font-weight:700;color:#fff;margin-bottom:6px;letter-spacing:-.02em;line-height:1.25}.cta-band-text p{color:#ffffffb8;font-size:.95rem;max-width:460px;line-height:1.6}.cta-band-actions{display:flex;gap:12px;flex-wrap:wrap}.page-header{background:var(--color-bg-muted);border-bottom:1px solid var(--color-border);padding:40px 24px 32px}.page-header-inner{max-width:1200px;margin:0 auto}.page-title{font-family:var(--font-display);font-size:clamp(1.75rem,3.5vw,2.5rem);font-weight:800;color:var(--color-text);margin-bottom:8px;letter-spacing:-.03em;line-height:1.2}.page-subtitle{color:var(--color-text-muted);font-size:1rem;max-width:560px;font-weight:400;line-height:1.65}.sub-nav{background:var(--color-bg-muted);border-bottom:1px solid var(--color-border);padding:10px 24px;overflow-x:auto;white-space:nowrap;-ms-overflow-style:none;scrollbar-width:none}.sub-nav::-webkit-scrollbar{display:none}.sub-nav-inner{max-width:1200px;margin:0 auto;display:flex;gap:6px}.sub-nav-btn{display:inline-flex;align-items:center;gap:7px;font-size:.85rem;font-weight:500;padding:7px 14px;border-radius:var(--radius-md);border:1.5px solid transparent;color:var(--color-text-muted);background:none;cursor:pointer;transition:all .2s;white-space:nowrap}.sub-nav-btn:hover{background:var(--color-surface);color:var(--color-primary)}.sub-nav-btn--active{background:var(--color-surface)!important;color:var(--color-primary)!important;border-color:var(--color-primary)!important;font-weight:600;box-shadow:var(--shadow-sm)}.dark .sub-nav-btn--active{color:var(--color-accent)!important;border-color:var(--color-accent)!important}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.course-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s,box-shadow .22s;box-shadow:var(--shadow-sm)}.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.course-card-header{height:10px;background:var(--color-primary)}.course-card-body{padding:22px 20px;flex:1;display:flex;flex-direction:column;gap:8px}.course-level{font-family:var(--font-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-primary);font-weight:500}.course-title{font-family:var(--font-display);font-size:1rem;font-weight:700;color:var(--color-text);letter-spacing:-.01em;line-height:1.3}.course-desc{font-size:.875rem;color:var(--color-text-muted);line-height:1.6;flex:1}.course-footer{padding:14px 20px;border-top:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between}.lesson-viewer{max-width:860px;margin:0 auto;padding:40px 24px}.lesson-nav{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}.lesson-meta{display:flex;flex-direction:column;gap:4px}.lesson-breadcrumb{font-size:.8rem;color:var(--color-text-sub);font-family:var(--font-mono)}.lesson-title{font-family:var(--font-display);font-size:1.55rem;font-weight:700;color:var(--color-text);letter-spacing:-.025em;line-height:1.25}.lesson-info{font-size:.82rem;color:var(--color-text-muted);font-family:var(--font-mono)}.lesson-nav-btns{display:flex;gap:8px;flex-wrap:wrap}.nav-pill{display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--color-border);border-radius:var(--radius-md);padding:7px 14px;font-size:.85rem;font-weight:500;color:var(--color-text);background:var(--color-surface);transition:all .2s;cursor:pointer;text-decoration:none}.nav-pill:hover{border-color:var(--color-primary);color:var(--color-primary)}.lesson-content{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:36px 40px;box-shadow:var(--shadow-sm)}.admin-layout{min-height:100vh;background:var(--color-bg)}.admin-header{background:var(--color-primary);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40}.admin-header-title{font-family:var(--font-display);font-weight:700;font-size:1.05rem;color:#fff;letter-spacing:-.01em}.admin-body{display:grid;grid-template-columns:220px 1fr;max-width:1280px;margin:0 auto;padding:28px 24px;gap:24px}.admin-sidebar{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:16px;height:-moz-fit-content;height:fit-content;position:sticky;top:72px}.admin-sidebar-label{font-family:var(--font-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-sub);margin-bottom:10px;padding:0 4px}.admin-sidebar-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;color:var(--color-text-muted);cursor:pointer;transition:all .2s;text-decoration:none}.admin-sidebar-item:hover{background:var(--color-bg-muted);color:var(--color-text)}.admin-sidebar-item--active{background:#1a3fa814;color:var(--color-primary);font-weight:600}.dark .admin-sidebar-item--active{background:#fbbf2414;color:var(--color-accent)}.admin-main{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:28px;min-height:500px}.badge{display:inline-block;border-radius:20px;padding:3px 10px;font-size:.73rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;font-family:var(--font-body)}.badge--blue{background:#1a3fa81a;color:#1a3fa8}.badge--yellow{background:#fbbf2426;color:#b45309}.badge--green{background:#34d3991f;color:#047857}.badge--red{background:#ef44441a;color:#b91c1c}.dark .badge--blue{background:#3b6ef02e;color:#93b4f8}.dark .badge--yellow{background:#fbbf2426;color:#fbbf24}.divider-title{font-size:1.35rem;font-family:var(--font-display);font-weight:700;color:var(--color-text);padding-bottom:10px;border-bottom:2px solid var(--color-primary);margin-bottom:28px;letter-spacing:-.02em}@media (max-width: 900px){.hero{grid-template-columns:1fr;min-height:auto;padding:48px 20px}.hero-stack-panel{order:-1}.highlights-grid{grid-template-columns:repeat(2,1fr)}.admin-body{grid-template-columns:1fr}.admin-sidebar{position:static}}@media (max-width: 640px){.nav-bar{display:none}.mobile-menu-btn{display:flex}.header-brand{padding:12px 16px}.highlights-grid{grid-template-columns:repeat(2,1fr);gap:12px}.cta-band-inner{flex-direction:column;text-align:center}.lesson-content{padding:24px 18px}}.hover\:shadow-lg:hover{--tw-shadow: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--tw-shadow-colored: 0 10px 15px -3px var(--tw-shadow-color), 0 4px 6px -4px var(--tw-shadow-color);box-shadow:var(--tw-ring-offset-shadow, 0 0 #0000),var(--tw-ring-shadow, 0 0 #0000),var(--tw-shadow)}.hover\:shadow-md:hover{--tw-shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--tw-shadow-colored: 0 4px 6px -1px var(--tw-shadow-color), 0 2px 4px -2px var(--tw-shadow-color);box-shadow:var(--tw-ring-offset-shadow, 0 0 #0000),var(--tw-ring-shadow, 0 0 #0000),var(--tw-shadow)}.group:hover .group-hover\:bg-\[var\(--color-primary\)\]{background-color:var(--color-primary)}.group:hover .group-hover\:text-white{--tw-text-opacity: 1;color:rgb(255 255 255 / var(--tw-text-opacity, 1))}.dark\:border-\[\#1E2A42\]:is(.dark *){--tw-border-opacity: 1;border-color:rgb(30 42 66 / var(--tw-border-opacity, 1))}@media (min-width: 640px){.sm\:absolute{position:absolute}.sm\:left-0{left:0}.sm\:left-\[8\.2rem\]{left:8.2rem}.sm\:left-\[8\.5rem\]{left:8.5rem}.sm\:top-7{top:1.75rem}.sm\:mb-0{margin-bottom:0}.sm\:h-32{height:8rem}.sm\:h-48{height:12rem}.sm\:h-64{height:16rem}.sm\:w-28{width:7rem}.sm\:w-32{width:8rem}.sm\:w-48{width:12rem}.sm\:w-64{width:16rem}.sm\:px-6{padding-left:1.5rem;padding-right:1.5rem}.sm\:pl-40{padding-left:10rem}.sm\:text-right{text-align:right}}@media (min-width: 768px){.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width: 1024px){.lg\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.lg\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.lg\:px-8{padding-left:2rem;padding-right:2rem}}