:root{--color-text: #0F172A;--color-text-secondary: #1E293B;--color-muted: #64748B;--color-surface: #F8FAFC;--color-border: #E2E8F0;--color-input: #E2E8F0;--color-bg: #FFFFFF;--color-primary: #F97316;--color-primary-hover: #EA580C;--color-accent: #10B981;--color-emerald: #059669;--color-emerald-light: #D1FAE5;--color-footer-bg: #0F172A;--color-footer-text: #CBD5E1;--color-footer-muted: #64748B;--color-slate-600: #475569;--color-error: #DC2626;--color-success: #16A34A;--color-blue-600: #2563EB;--font-sans: system-ui, -apple-system, sans-serif;--font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .625rem;--radius-xl: .75rem;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 40px rgba(23,20,18,.08), 0 4px 12px rgba(23,20,18,.04);--container-wide: 1120px;--container-content: 680px;--container-narrow: 520px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{font-family:var(--font-sans);color:var(--color-text);background-color:var(--color-bg);line-height:1.6;min-height:100vh}#root{display:flex;flex-direction:column;min-height:100vh}a{color:var(--color-primary);text-decoration:none;transition:color .15s}a:hover{color:var(--color-primary-hover)}img{max-width:100%;display:block}h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--color-text)}h1{font-size:2.5rem}h2{font-size:1.875rem}h3{font-size:1.375rem}h4{font-size:1.125rem}@media (max-width: 640px){h1{font-size:1.875rem}h2{font-size:1.5rem}h3{font-size:1.25rem}}.container{max-width:var(--container-wide);margin:0 auto;padding:0 1.5rem}.container-content{max-width:var(--container-content);margin:0 auto;padding:0 1.5rem}.container-narrow{max-width:var(--container-narrow);margin:0 auto;padding:0 1.5rem}.section{padding:4rem 0}.section-sm{padding:2.5rem 0}@media (max-width: 640px){.section{padding:2.5rem 0}.section-sm{padding:1.5rem 0}}.card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem}.card-elevated{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-size:1rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:all .15s;border:none;text-decoration:none;line-height:1.4}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-hover)}.btn-secondary{background-color:transparent;color:var(--color-text);border:1.5px solid var(--color-border)}.btn-secondary:hover:not(:disabled){border-color:var(--color-muted);background-color:var(--color-surface)}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.btn-lg{padding:1rem 2rem;font-size:1.125rem}.btn-full{width:100%}.input{display:block;width:100%;padding:.875rem 1rem;font-size:1rem;font-family:var(--font-sans);color:var(--color-text);background-color:var(--color-surface);border:1.5px solid var(--color-input);border-radius:var(--radius-lg);transition:all .15s;outline:none}.input::placeholder{color:var(--color-muted)}.input:focus{border-color:var(--color-primary);box-shadow:0 0 0 4px #f973161f;background-color:var(--color-bg)}.input-error{border-color:var(--color-error)}.input-error:focus{box-shadow:0 0 0 3px #dc26261a}.form-group{display:flex;flex-direction:column;gap:.375rem}.form-label{font-size:.875rem;font-weight:500;color:var(--color-text)}.form-hint{font-size:.8125rem;color:var(--color-muted)}.form-error{font-size:.8125rem;color:var(--color-error)}.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: 768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.text-muted{color:var(--color-muted)}.text-secondary{color:var(--color-text-secondary)}.text-primary{color:var(--color-primary)}.text-success{color:var(--color-success)}.text-error{color:var(--color-error)}.text-center{text-align:center}.text-sm{font-size:.875rem}.text-xs{font-size:.8125rem}.text-lg{font-size:1.125rem}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.divider{border:none;border-top:1px solid var(--color-border);margin:2rem 0}.badge{display:inline-flex;align-items:center;padding:.25rem .625rem;font-size:.75rem;font-weight:600;border-radius:9999px;background-color:var(--color-surface);color:var(--color-text-secondary)}.badge-primary{background-color:#f973161a;color:var(--color-primary)}.prose{line-height:1.75}.prose h2{font-size:22px;margin-top:2.5rem;margin-bottom:.75rem}.prose h3{margin-top:2rem;margin-bottom:.5rem}.prose p{font-size:1rem;color:var(--color-slate-600);line-height:1.8;margin-bottom:1rem}.prose ul,.prose ol{margin-bottom:1rem;padding-left:1.5rem}.prose li{font-size:1rem;color:var(--color-slate-600);line-height:1.8;margin-bottom:.375rem}.prose strong{font-weight:600}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease-out}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:1.25rem;height:1.25rem;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}.skip-to-content{position:absolute;top:-100%;left:1rem;padding:.5rem 1rem;background:var(--color-primary);color:#fff;border-radius:var(--radius-sm);z-index:1000;font-weight:600}.skip-to-content:focus{top:.5rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}