.tool-slider{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:3px;background:var(--color-border);outline:none;transition:background .2s ease}.tool-slider:hover{background:var(--color-bg-muted)}.tool-slider:focus-visible{box-shadow:0 0 0 3px var(--focus-ring)}.tool-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;min-width:20px;min-height:20px;border-radius:50%;background:var(--color-primary);cursor:pointer;border:3px solid var(--color-bg-elevated);box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .15s ease}.tool-slider::-webkit-slider-thumb:hover{transform:scale(1.1)}.tool-slider:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 2px var(--focus-ring)}.tool-slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--color-primary);cursor:pointer;border:3px solid var(--color-bg-elevated);box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .15s ease}.tool-slider::-moz-range-thumb:hover{transform:scale(1.1)}.tool-slider-wrap{display:flex;align-items:center;gap:var(--space-md)}.tool-slider-wrap input[type=range]{flex:1}.tool-slider-value{min-width:5rem;font-weight:600;font-size:.9375rem;color:var(--color-text)}.tool-page{padding:var(--space-2xl) 0}.tool-page h1{margin-bottom:var(--space-sm);font-weight:700}.tool-page .intro{color:var(--color-text-muted);margin-bottom:var(--space-xl);max-width:540px;line-height:1.65;font-size:1.0625rem}.tool-page .calculator{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);margin-bottom:var(--space-xl);box-shadow:var(--shadow-md)}.tool-page .inputs{display:flex;flex-wrap:wrap;gap:var(--space-lg);margin-bottom:var(--space-lg)}.tool-page .field{flex:1;min-width:160px}.tool-page .field label{display:block;font-weight:500;font-size:.9375rem;color:var(--color-text-muted);margin-bottom:var(--space-sm)}.tool-page .field input[type=range]{margin:0}.tool-page .field select,.tool-page .field input[type=number]{width:100%;padding:.625rem .875rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:1rem;background:var(--color-bg);color:var(--color-text);transition:border-color .2s ease,box-shadow .2s ease}.tool-page .field select:hover,.tool-page .field input[type=number]:hover{border-color:var(--color-primary)}.tool-page .field select:focus-visible,.tool-page .field input[type=number]:focus-visible{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--focus-ring)}.tool-page .chart-wrap{height:260px;margin:var(--space-xl) 0;padding:var(--space-lg);background:var(--color-bg-muted);border-radius:var(--radius-md);border:1px solid var(--color-border-subtle)}.tool-page .result{padding:var(--space-lg);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-lg)}.tool-page .result-text{font-size:1.375rem;font-weight:600;margin-bottom:var(--space-xs);letter-spacing:-.02em}.tool-page .result-subtext{opacity:.9;font-size:.9375rem}.tool-page .info h2{margin-top:var(--space-xl);margin-bottom:var(--space-md);font-size:1.25rem}.tool-page .info p{color:var(--color-text-muted);margin-bottom:var(--space-md);font-size:.9375rem;line-height:1.65}@media(max-width:640px){.tool-page .inputs{flex-direction:column}.tool-page .field{min-width:100%}}@media print{.tool-page .calculator{break-inside:avoid}.tool-page .result{box-shadow:none;border:2px solid var(--color-primary-dark)}}:root{--font-heading: "Space Grotesk", "DM Sans", system-ui, sans-serif;--font-body: "Inter", "DM Sans", system-ui, sans-serif;--color-bg: #fafbfc;--color-bg-alt: #ffffff;--color-bg-muted: #f0f2f5;--color-bg-elevated: #ffffff;--color-text: #1f2937;--color-text-muted: #6b7280;--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-accent: #3b82f6;--color-border: #e5e7eb;--color-border-subtle: #f3f4f6;--chart-line: #2563eb;--chart-fill: rgba(37, 99, 235, .08);--chart-bar: rgba(37, 99, 235, .7);--chart-bar-secondary: rgba(107, 114, 128, .5);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .05);--shadow-glow: 0 0 20px rgba(37, 99, 235, .15);--focus-ring: rgba(37, 99, 235, .25);--card-green: #059669;--card-blue: #2563eb;--card-purple: #7c3aed;--card-teal: #0d9488;--card-magenta: #c026d3;--card-red: #dc2626;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2.5rem;--space-2xl: 4rem;--space-3xl: 6rem;--max-width: 1200px;--content-width: 720px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}@media(prefers-color-scheme:dark){:root{--color-bg: #0d1117;--color-bg-alt: #161b22;--color-bg-muted: #21262d;--color-bg-elevated: #21262d;--color-text: #e6edf3;--color-text-muted: #8b949e;--color-primary: #58a6ff;--color-primary-dark: #388bfd;--color-accent: #79c0ff;--color-border: #30363d;--color-border-subtle: #21262d;--chart-line: #58a6ff;--chart-fill: rgba(88, 166, 255, .12);--chart-bar: rgba(88, 166, 255, .6);--chart-bar-secondary: rgba(139, 148, 158, .45);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 24px rgba(0, 0, 0, .45);--shadow-glow: 0 0 24px rgba(88, 166, 255, .12);--focus-ring: rgba(88, 166, 255, .35)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-size:1rem;line-height:1.6;color:var(--color-text);background:var(--color-bg);min-height:100vh}.skip-link{position:absolute;top:-100px;left:var(--space-md);padding:var(--space-sm) var(--space-md);background:var(--color-primary);color:#fff;font-weight:600;border-radius:var(--radius-sm);z-index:1000;transition:top .2s ease}.skip-link:focus{top:var(--space-md)}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:600;line-height:1.3;margin-bottom:var(--space-md);letter-spacing:-.02em}h1{font-size:clamp(2rem,5vw,3rem);font-weight:700}h2{font-size:clamp(1.5rem,3.5vw,2rem)}h3{font-size:clamp(1.25rem,2.5vw,1.5rem)}p{margin-bottom:var(--space-md)}a{color:var(--color-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-primary-dark)}a:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:2px}img{max-width:100%;height:auto;display:block}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--space-lg)}.content{max-width:var(--content-width);margin:0 auto}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.mt-lg{margin-top:var(--space-lg)}.mb-lg{margin-bottom:var(--space-lg)}.article-content{font-size:1.0625rem}.article-content h2{margin-top:var(--space-xl)}.article-content ul,.article-content ol{margin-bottom:var(--space-md);padding-left:var(--space-lg)}.article-content li{margin-bottom:var(--space-sm)}.article-content blockquote{border-left:4px solid var(--color-primary);padding-left:var(--space-lg);margin:var(--space-lg) 0;font-style:italic;color:var(--color-text-muted)}.article-content code{background:var(--color-bg-muted);padding:.2em .4em;border-radius:4px;font-size:.9em}.article-content pre{background:var(--color-bg-muted);padding:var(--space-md);border-radius:var(--radius-md);overflow-x:auto;margin-bottom:var(--space-md)}.article-content pre code{background:none;padding:0}@media print{.header,.footer,.menu-toggle,.related-articles{display:none!important}}.logo-link[data-astro-cid-tvrurpns]{display:flex;align-items:center;gap:.6rem;text-decoration:none}.logo-icon[data-astro-cid-tvrurpns]{flex-shrink:0;border-radius:6px;transition:transform .2s ease}.logo-link[data-astro-cid-tvrurpns]:hover .logo-icon[data-astro-cid-tvrurpns]{transform:scale(1.05)}.logo-text[data-astro-cid-tvrurpns]{display:flex;flex-direction:row;gap:.3rem;font-family:var(--font-heading);font-size:1.4rem;line-height:1.1;font-weight:700}.logo-economy[data-astro-cid-tvrurpns]{color:var(--color-text)}.logo-facts[data-astro-cid-tvrurpns],.logo-link[data-astro-cid-tvrurpns]:hover .logo-economy[data-astro-cid-tvrurpns]{color:var(--color-primary, #2563eb)}.logo-link[data-astro-cid-tvrurpns]:hover .logo-facts[data-astro-cid-tvrurpns]{color:var(--color-primary-dark, #1d4ed8)}.header-transparent .logo-economy[data-astro-cid-tvrurpns],.header-transparent .logo-facts[data-astro-cid-tvrurpns]{color:#fff}.header-transparent .logo-link[data-astro-cid-tvrurpns]:hover .logo-facts[data-astro-cid-tvrurpns]{color:#fffc}@media(max-width:480px){.logo-text[data-astro-cid-tvrurpns]{font-size:1.2rem}}.header[data-astro-cid-3ef6ksr2]{background:color-mix(in srgb,var(--color-bg) 85%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100;transition:background .3s ease,border-color .3s ease}.header-transparent[data-astro-cid-3ef6ksr2]{background:#0000001a;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-color:#ffffff1a}.header-transparent[data-astro-cid-3ef6ksr2] .nav-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:#ffffffe6}.header-transparent[data-astro-cid-3ef6ksr2] .nav-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:#fff}.nav[data-astro-cid-3ef6ksr2]{display:flex;justify-content:space-between;align-items:center;padding:var(--space-md) 0}.menu-toggle[data-astro-cid-3ef6ksr2]{display:none;background:none;border:none;padding:var(--space-sm);cursor:pointer;color:var(--color-text);border-radius:8px}.menu-toggle[data-astro-cid-3ef6ksr2]:hover{background:var(--color-bg-muted)}.menu-toggle[data-astro-cid-3ef6ksr2]:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.hamburger[data-astro-cid-3ef6ksr2]{display:block;width:24px;height:2px;background:currentColor;position:relative;transition:transform .2s ease}.hamburger[data-astro-cid-3ef6ksr2]:before,.hamburger[data-astro-cid-3ef6ksr2]:after{content:"";position:absolute;left:0;width:100%;height:2px;background:currentColor;transition:transform .2s ease}.hamburger[data-astro-cid-3ef6ksr2]:before{top:-8px}.hamburger[data-astro-cid-3ef6ksr2]:after{top:8px}.menu-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .hamburger[data-astro-cid-3ef6ksr2]{background:transparent}.menu-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .hamburger[data-astro-cid-3ef6ksr2]:before{transform:translateY(8px) rotate(45deg)}.menu-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .hamburger[data-astro-cid-3ef6ksr2]:after{transform:translateY(-8px) rotate(-45deg)}.nav-links[data-astro-cid-3ef6ksr2]{display:flex;gap:var(--space-lg);list-style:none}.nav-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:var(--color-text-muted);font-weight:600;font-size:.9375rem;transition:color var(--transition-base, .25s ease);position:relative;padding-bottom:2px}.nav-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--color-primary);border-radius:1px;transition:width var(--transition-base, .25s ease)}.nav-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--color-primary)}.nav-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover:after{width:100%}.nav-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:4px}@media(max-width:768px){.menu-toggle[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:center}.nav-links[data-astro-cid-3ef6ksr2]{position:fixed;top:0;right:0;width:min(280px,85vw);height:100vh;background:var(--color-bg);flex-direction:column;padding:var(--space-xl);padding-top:5rem;gap:0;box-shadow:-4px 0 24px #0000001a;transform:translate(100%);transition:transform .3s ease;z-index:99}.nav-links[data-astro-cid-3ef6ksr2].nav-open{transform:translate(0)}.nav-links[data-astro-cid-3ef6ksr2] li[data-astro-cid-3ef6ksr2]{border-bottom:1px solid var(--color-border)}.nav-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{display:block;padding:var(--space-md);color:var(--color-text)}body.menu-open:after{content:"";position:fixed;inset:0;background:#0006;z-index:98;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}}@media(max-width:640px){.nav-links[data-astro-cid-3ef6ksr2]{gap:var(--space-md)}}.footer[data-astro-cid-sz7xmlte]{background:var(--color-bg-alt);border-top:1px solid var(--color-border);padding:var(--space-2xl) 0 var(--space-xl);margin-top:auto}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:2fr 1fr 1fr;gap:var(--space-2xl);margin-bottom:var(--space-2xl)}.footer-brand[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:var(--space-md)}.footer-logo[data-astro-cid-sz7xmlte]{display:inline-flex;align-items:center;gap:var(--space-sm);text-decoration:none;color:var(--color-text)}.footer-logo[data-astro-cid-sz7xmlte] svg[data-astro-cid-sz7xmlte]{border-radius:6px}.footer-title[data-astro-cid-sz7xmlte]{font-family:var(--font-heading);font-size:1.125rem;font-weight:700}.footer-desc[data-astro-cid-sz7xmlte]{color:var(--color-text-muted);font-size:.9rem;line-height:1.6;max-width:320px;margin:0}.footer-col[data-astro-cid-sz7xmlte] h4[data-astro-cid-sz7xmlte]{font-family:var(--font-heading);font-size:.8125rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text);margin-bottom:var(--space-md)}.footer-col[data-astro-cid-sz7xmlte] nav[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:var(--space-sm)}.footer-col[data-astro-cid-sz7xmlte] nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--color-text-muted);font-size:.875rem;transition:color .2s ease}.footer-col[data-astro-cid-sz7xmlte] nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-primary)}.footer-bottom[data-astro-cid-sz7xmlte]{display:flex;justify-content:space-between;align-items:center;padding-top:var(--space-lg);border-top:1px solid var(--color-border)}.copyright[data-astro-cid-sz7xmlte]{color:var(--color-text-muted);font-size:.8125rem;margin:0}.footer-legal[data-astro-cid-sz7xmlte]{display:flex;gap:var(--space-lg)}.footer-legal[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--color-text-muted);font-size:.8125rem}.footer-legal[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-primary)}@media(max-width:768px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:var(--space-xl)}.footer-bottom[data-astro-cid-sz7xmlte]{flex-direction:column;gap:var(--space-md);text-align:center}}