:root{--edu-primary:#3B82F6;--edu-primary-dark:#1D4ED8;--edu-green:#10B981;--edu-green-light:#D1FAE5;--edu-orange:#F97316;--edu-orange-light:#FED7AA;--edu-violet:#8B5CF6;--edu-violet-light:#EDE9FE;--edu-bg:#FFFFFF;--edu-surface:#F0FDF4;--edu-warm-surface:#FFFBF5;--edu-text:#1E293B;--edu-muted:#64748B;--edu-border:#E2E8F0;--edu-white:#FFFFFF;--edu-blue-light:#DBEAFE;--edu-navy:#11376B;--edu-navy-light:#1a4a8a}@keyframes edu-float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes edu-shimmer{0%{background-position:-200%}to{background-position:200%}}@keyframes edu-slide-up{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}@keyframes edu-scale-in{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}@keyframes edu-typing-cursor{0%,to{opacity:1}50%{opacity:0}}@keyframes edu-progress-fill{0%{width:0}to{width:var(--progress-width,100%)}}.edu-gradient-text{background:linear-gradient(135deg,var(--edu-primary),var(--edu-green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.edu-cta{background:linear-gradient(135deg,var(--edu-primary),var(--edu-green));color:white;border-radius:1rem;font-weight:700;transition:all .3s ease;box-shadow:0 8px 24px rgba(59,130,246,.3);position:relative;overflow:hidden}.edu-cta:hover{box-shadow:0 12px 32px rgba(59,130,246,.4);transform:translateY(-2px)}.edu-cta:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.2) 45%,rgba(255,255,255,.2) 55%,transparent 60%);background-size:200% 100%;animation:edu-shimmer 3s ease-in-out infinite}.edu-card{background:var(--edu-white);border:1px solid var(--edu-border);border-radius:1rem;transition:all .3s ease}.edu-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(0,0,0,.06)}.edu-float{animation:edu-float 3s ease-in-out infinite}.edu-float-delay{animation:edu-float 3.5s ease-in-out infinite;animation-delay:.5s}.edu-code-block{background:#0F172A;border-radius:.75rem;padding:1rem 1.25rem;font-family:JetBrains Mono,Fira Code,Consolas,monospace;font-size:.75rem;line-height:1.7;color:#94A3B8;overflow:hidden;position:relative}.edu-code-block .code-keyword{color:#C084FC}.edu-code-block .code-string{color:#34D399}.edu-code-block .code-function{color:#60A5FA}.edu-code-block .code-comment{color:#475569}.edu-dot-grid{background-image:radial-gradient(circle,rgba(59,130,246,.08) 1.2px,transparent 0);background-size:24px 24px}.scrollbar-hide{-ms-overflow-style:none;scrollbar-width:none}.scrollbar-hide::-webkit-scrollbar{display:none}