:root{--primary-color:#00d4ff;--primary-dark:#00a8cc;--accent-color:#7c3aed;--bg-dark:#0a0a0a;--bg-secondary:#2c2c2c;--bg-bar:#4d4d4d;--bg-card:#3d3d3d;--bg-card-hover:#222;--text-primary:#fff;--text-secondary:#a0a0a0;--text-muted:#666;--border-color:#2a2a2a;--gradient-primary:linear-gradient(135deg,#00d4ff,#7c3aed);--gradient-dark:linear-gradient(180deg,#0a0a0a,#141414)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-dark);color:var(--text-primary);line-height:1.6;min-height:100vh}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.container{max-width:1280px;margin:0 auto;padding:0 1.5rem}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.section-subtitle{font-size:1.125rem;color:var(--text-secondary);max-width:600px;margin-bottom:3rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:8px;font-weight:500;font-size:1rem;cursor:pointer;transition:all .3s ease;border:none;text-decoration:none}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 15px #00d4ff4d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00d4ff66}.btn-secondary{background:transparent;color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--primary-color);color:var(--primary-color)}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;transition:all .3s ease}.card:hover{background:var(--bg-card-hover);border-color:var(--primary-color);transform:translateY(-4px);box-shadow:0 10px 30px #00d4ff1a}.grid{display:grid;gap:1.5rem}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media(max-width:1024px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.section-title{font-size:2rem}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.animate-fade-in{animation:fadeIn .6s ease forwards}.animate-pulse{animation:pulse 2s ease-in-out infinite}.animate-float{animation:float 3s ease-in-out infinite}.delay-100{animation-delay:.1s}.delay-200{animation-delay:.2s}.delay-300{animation-delay:.3s}.delay-400{animation-delay:.4s}.text-center{text-align:center}.text-gradient{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.mt-2{margin-top:1rem}.mt-4{margin-top:2rem}a{color:inherit;text-decoration:none;transition:color .3s ease}.tag,a:hover{color:var(--primary-color)}.tag{display:inline-block;padding:.25rem .75rem;background:#00d4ff1a;border:1px solid rgba(0,212,255,.3);border-radius:20px}.code-block,.tag{font-size:.875rem}.code-block{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:1rem;overflow-x:auto}.code-block,code{font-family:Fira Code,Consolas,monospace}code{background:#00d4ff1a;padding:.125rem .375rem;border-radius:4px;font-size:.875em;color:var(--primary-color)}