:root{--primary-50: #eef2ff;--primary-100: #e0e7ff;--primary-200: #c7d2fe;--primary-300: #a5b4fc;--primary-400: #818cf8;--primary-500: #6366f1;--primary-600: #4f46e5;--primary-700: #4338ca;--primary-800: #3730a3;--primary-900: #312e81;--secondary-500: #8b5cf6;--secondary-600: #7c3aed;--accent-500: #f59e0b;--accent-600: #d97706;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-400: #94a3b8;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--gray-900: #0f172a;--success-500: #22c55e;--warning-500: #f59e0b;--error-500: #ef4444;--info-500: #3b82f6;--bg-primary: #ffffff;--bg-secondary: var(--gray-50);--bg-tertiary: var(--gray-100);--text-primary: var(--gray-900);--text-secondary: var(--gray-600);--text-muted: var(--gray-500);--text-inverse: #ffffff;--border-light: var(--gray-200);--border-default: var(--gray-300);--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--container-max-width: 1280px;--section-padding: 5rem;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;--font-heading: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "Fira Code", "JetBrains Mono", Consolas, monospace;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:1rem;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2;color:var(--text-primary)}h1{font-size:clamp(2.5rem,5vw,3.75rem);letter-spacing:-.02em}h2{font-size:clamp(2rem,4vw,3rem);letter-spacing:-.01em}h3{font-size:clamp(1.5rem,3vw,2rem)}h4{font-size:1.25rem}p{color:var(--text-secondary);line-height:1.7}a{color:var(--primary-600);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-700)}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:var(--container-max-width);margin:0 auto;padding:0 1.5rem}.section{padding:var(--section-padding) 0}.text-center{text-align:center}.text-gradient{background:linear-gradient(135deg,var(--primary-600) 0%,var(--secondary-500) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;line-height:1.5;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary-600) 0%,var(--primary-700) 100%);color:var(--text-inverse);box-shadow:var(--shadow-md)}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-700) 0%,var(--primary-800) 100%);box-shadow:var(--shadow-lg);transform:translateY(-1px)}.btn-secondary{background:var(--bg-primary);color:var(--text-primary);border:2px solid var(--border-default)}.btn-secondary:hover:not(:disabled){border-color:var(--primary-500);color:var(--primary-600)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){background:var(--bg-secondary);color:var(--text-primary)}.btn-lg{padding:1rem 2rem;font-size:1.125rem}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.card{background:var(--bg-primary);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);padding:1.5rem;transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-lg)}.badge{display:inline-flex;align-items:center;padding:.25rem .75rem;font-size:.75rem;font-weight:600;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em}.badge-primary{background:var(--primary-100);color:var(--primary-700)}.badge-success{background:#dcfce7;color:#166534}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary)}.form-input{width:100%;padding:.75rem 1rem;font-size:1rem;border:2px solid var(--border-light);border-radius:var(--radius-lg);background:var(--bg-primary);color:var(--text-primary);transition:border-color var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--primary-500)}.form-input::placeholder{color:var(--text-muted)}.grid{display:grid;gap:1.5rem}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 1024px){.grid-cols-4,.grid-cols-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}:root{--section-padding: 3rem}}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}.gap-8{gap:2rem}.mt-2{margin-top:.5rem}.mt-4{margin-top:1rem}.mt-6{margin-top:1.5rem}.mt-8{margin-top:2rem}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.animate-fadeIn{animation:fadeIn .5s ease forwards}.animate-slideUp{animation:slideUp .5s ease forwards}.animate-float{animation:float 3s ease-in-out infinite}.code-block-wrapper{position:relative;margin:1.5rem 0;border-radius:.5rem;overflow:hidden;background:#f1f5f9}.code-block-wrapper .code-block-header{position:absolute;top:.5rem;right:.5rem;z-index:10}.code-block-wrapper .code-copy-btn{display:inline-flex;align-items:center;gap:.375rem;padding:.375rem .625rem;background:#ffffffe6;border:1px solid #d1d5db;border-radius:.375rem;font-size:.75rem;font-weight:500;color:#4b5563;cursor:pointer;transition:all .2s ease;box-shadow:0 1px 2px #0000000d}.code-block-wrapper .code-copy-btn:hover{background:#fff;border-color:#9ca3af;color:#1f2937}.code-block-wrapper .code-copy-btn.copied{background:#dcfce7;border-color:#86efac;color:#166534}.code-block-wrapper .code-copy-btn .copy-icon{font-size:.8rem}.code-block-wrapper .code-copy-btn .copy-text{font-size:.7rem}.code-block-wrapper pre,.code-block-wrapper pre.editor-code-block{margin:0!important;border:none!important;border-radius:.5rem;padding:2.5rem 1.25rem 1rem;background:#f1f5f9!important;font-family:Fira Code,Monaco,Consolas,monospace;font-size:.875rem;line-height:1.7;white-space:pre-wrap;word-wrap:break-word;color:#1e293b}