@font-face{font-family:Familjen Grotesk Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/assets/fonts/familjen-grotesk-latin-wght-normal.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Familjen Grotesk Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/assets/fonts/familjen-grotesk-latin-ext-wght-normal.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Figtree Variable;font-style:normal;font-display:swap;font-weight:300 900;src:url(/assets/fonts/figtree-latin-wght-normal.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Figtree Variable;font-style:normal;font-display:swap;font-weight:300 900;src:url(/assets/fonts/figtree-latin-ext-wght-normal.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/fonts/geist-mono-latin-wght-normal.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/fonts/geist-mono-latin-ext-wght-normal.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}:root{--font-display: "Familjen Grotesk Variable", system-ui, sans-serif;--font-body: "Figtree Variable", system-ui, sans-serif;--font-mono: "Geist Mono Variable", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;color-scheme:light;--bg: #f7f6f2;--surface: #ffffff;--surface-2: #efeee8;--ink: #0b0f26;--ink-2: #333a5c;--muted: #5f6580;--line: #e2e0d6;--line-2: #c9c6b9;--blue: #2a3bff;--blue-text: #2431d6;--blue-soft: #e8eaff;--orange: #ff5a1f;--orange-text: #c2410c;--yellow: #ffd84d;--error: #c0182f;--edge: #0b0f26;--panel: #0b0f26;--panel-2: #151a3d;--panel-ink: #f3f4fb;--panel-muted: #a3a9cc;--panel-line: rgba(255, 255, 255, .13);--focus: #2a3bff;--shadow-1: 0 1px 2px rgba(11, 15, 38, .06), 0 4px 14px rgba(11, 15, 38, .05);--shadow-2: 0 10px 30px -8px rgba(11, 15, 38, .2);--c-fin: #2a3bff;--c-math: #7c3aed;--c-health: #e5365c;--c-conv: #0891b2;--c-every: #e8730a;--c-eng: #475569;--c-other: #6f748f;--r-sm: 10px;--r-md: 14px;--r-lg: 22px;--r-xl: 30px;--ease: cubic-bezier(.22, .8, .24, 1);--spring: cubic-bezier(.34, 1.56, .64, 1)}:root[data-theme=dark]{color-scheme:dark;--bg: #090b1d;--surface: #11142b;--surface-2: #181c3b;--ink: #f2f3fb;--ink-2: #c9cdea;--muted: #a0a6c8;--line: #242850;--line-2: #343a69;--blue: #5566ff;--blue-text: #9aa5ff;--blue-soft: #1b2050;--orange: #ff7a45;--orange-text: #ff9a6b;--error: #ff8a98;--edge: #4a5296;--panel: #0f1330;--panel-2: #181d44;--focus: #9aa5ff;--shadow-1: 0 1px 2px rgba(0, 0, 0, .4);--shadow-2: 0 14px 34px -8px rgba(0, 0, 0, .6);--c-fin: #8793ff;--c-math: #b18cff;--c-health: #ff7a93;--c-conv: #4fd1ec;--c-every: #ffb05a;--c-eng: #a9b8cc;--c-other: #a6abc4}@media(prefers-color-scheme:dark){:root:not([data-theme=light]):not([data-theme=dark]){color-scheme:dark;--bg: #090b1d;--surface: #11142b;--surface-2: #181c3b;--ink: #f2f3fb;--ink-2: #c9cdea;--muted: #a0a6c8;--line: #242850;--line-2: #343a69;--blue: #5566ff;--blue-text: #9aa5ff;--blue-soft: #1b2050;--orange: #ff7a45;--orange-text: #ff9a6b;--error: #ff8a98;--edge: #4a5296;--panel: #0f1330;--panel-2: #181d44;--focus: #9aa5ff;--shadow-1: 0 1px 2px rgba(0, 0, 0, .4);--shadow-2: 0 14px 34px -8px rgba(0, 0, 0, .6);--c-fin: #8793ff;--c-math: #b18cff;--c-health: #ff7a93;--c-conv: #4fd1ec;--c-every: #ffb05a;--c-eng: #a9b8cc;--c-other: #a6abc4}}:root{--cat: var(--blue)}*{--cat-soft: color-mix(in srgb, var(--cat) 12%, transparent);--cat-mid: color-mix(in srgb, var(--cat) 30%, transparent)}body[data-category=financial],a[href^="/financial/"]{--cat: var(--c-fin)}body[data-category=math],a[href^="/math/"]{--cat: var(--c-math)}body[data-category=health],a[href^="/health/"]{--cat: var(--c-health)}body[data-category=conversion],a[href^="/conversion/"]{--cat: var(--c-conv)}body[data-category=everyday],a[href^="/everyday/"]{--cat: var(--c-every)}body[data-category=engineering],a[href^="/engineering/"]{--cat: var(--c-eng)}body[data-category=other],a[href^="/other/"]{--cat: var(--c-other)}body:has(.modern-hero){--cat: var(--blue)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5.5rem;scrollbar-color:var(--line-2) transparent;scrollbar-width:thin}body{margin:0;min-height:100vh;overflow-x:clip;font:400 1rem/1.65 var(--font-body);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,svg{max-width:100%}h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.12;letter-spacing:-.03em;color:var(--ink);text-wrap:balance;margin:0 0 .6em}h1{font-size:clamp(2.2rem,5vw,3.8rem);letter-spacing:-.04em;line-height:1.03}main>h1,.prose>h1{font-size:clamp(2.1rem,4.4vw,3.4rem)}h2{font-size:clamp(1.6rem,3vw,2.4rem)}h3{font-size:1.25rem}p,li{text-wrap:pretty}p{margin:0 0 1em}a{color:var(--blue-text);text-decoration-thickness:1px;text-underline-offset:.2em;text-decoration-color:color-mix(in srgb,currentColor 40%,transparent);transition:color .2s,text-decoration-color .2s}a:hover{text-decoration-color:currentColor}:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:6px}::selection{background:var(--yellow);color:#0b0f26}.wrap{width:min(1000px,calc(100% - 2.5rem));margin-inline:auto}main{padding:1.6rem 0 3rem;position:relative}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip{position:absolute;left:1rem;top:-120px;z-index:300;padding:.9rem 1.2rem;background:var(--ink);color:var(--bg);border-radius:var(--r-md);font-weight:700}.skip:focus{top:1rem}.small{font-size:.85rem;color:var(--muted)}.wide{grid-column:1 / -1}.content-width{max-width:820px}hr{border:0;border-top:1px solid var(--line);margin:2rem 0}.header{position:sticky;top:0;z-index:60;background:var(--bg);background:color-mix(in srgb,var(--bg) 86%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line);transition:transform .45s var(--ease),box-shadow .3s}.header.is-stuck{box-shadow:0 8px 24px -14px #0b0f2659}.header.is-hidden{transform:translateY(-101%)}.header>.wrap{display:flex;align-items:center;gap:.6rem;min-height:68px}.header-top{display:contents}.logo{display:inline-flex;align-items:center;gap:.6rem;order:1;margin-right:auto;text-decoration:none;color:var(--ink);font:700 1.4rem/1 var(--font-display);letter-spacing:-.04em}.logo em{font-style:normal;color:var(--blue-text)}.logo-mark{display:block;width:36px;height:36px;flex:none;transition:transform .5s var(--spring)}.logo:hover .logo-mark{transform:rotate(-10deg) scale(1.08)}.nav{order:2;display:flex;align-items:center;gap:.1rem}.nav a{position:relative;display:block;padding:.55rem .72rem;white-space:nowrap;border-radius:999px;font:600 .88rem/1 var(--font-body);color:var(--ink-2);text-decoration:none;transition:color .2s,background-color .2s}.nav a:after{content:"";position:absolute;left:.72rem;right:.72rem;bottom:.2rem;height:2px;background:var(--cat);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}.nav a:hover{color:var(--ink)}.nav a:hover:after,.nav a[aria-current=page]:after{transform:scaleX(1)}.nav a[aria-current=page]{color:var(--ink);font-weight:700}.nav a[href="/"],.nav a[href^="/calculators/#"]{display:none}.theme{order:4}.theme label,.theme select{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.theme-btn{width:44px;height:44px;padding:0;display:grid;place-items:center;border-radius:50%;box-shadow:none;border:1.5px solid var(--line-2);background:var(--surface);order:4}.theme-btn:hover:not(:disabled){box-shadow:none;transform:none;border-color:var(--ink)}.theme-btn svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .6s var(--spring)}.theme-btn[data-mode=dark] svg{transform:rotate(360deg)}.menu-toggle{display:none;order:5;flex:none;gap:.55rem}.theme-btn,.fx-kbd{flex:none}.menu-ico{position:relative;display:inline-block;width:18px;height:12px}.menu-ico i{position:absolute;left:0;right:0;height:2.5px;border-radius:2px;background:currentColor;transition:transform .3s var(--ease),top .3s var(--ease)}.menu-ico i:nth-child(1){top:1px}.menu-ico i:nth-child(2){top:8.5px}.menu-toggle[aria-expanded=true] .menu-ico i:nth-child(1){top:5px;transform:rotate(45deg)}.menu-toggle[aria-expanded=true] .menu-ico i:nth-child(2){top:5px;transform:rotate(-45deg)}html.menu-open .fx-top{display:none}html.menu-open .header{background:var(--bg);-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:none}.fx-kbd{order:3;display:inline-flex;align-items:center;gap:.6rem;min-height:44px;padding:.3rem .5rem .3rem .95rem;border-radius:999px;border:1.5px solid var(--line-2);background:var(--surface);color:var(--muted);font:600 .9rem var(--font-body);box-shadow:none}.fx-kbd:hover:not(:disabled){border-color:var(--ink);color:var(--ink);box-shadow:none;transform:none}.fx-kbd svg{width:17px;height:17px}.fx-kbd kbd{white-space:nowrap;font:600 .72rem var(--font-mono);padding:.2rem .5rem;border-radius:7px;background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}@media all{.menu-toggle{display:inline-flex;min-height:44px;padding:.4rem 1rem}.nav{display:none}.nav.open{display:flex;flex-direction:column;align-items:stretch;gap:.2rem;position:absolute;top:100%;left:0;right:0;z-index:55;width:100%;height:calc(100vh - 100%);height:calc(100dvh - 100%);padding:1.2rem 1.4rem 3rem;overflow-y:auto;overscroll-behavior:contain;background:var(--bg);border-top:1px solid var(--line);animation:menu-in .35s var(--ease) both}.nav.open a{padding:.9rem .2rem;border-radius:0;font:700 1.7rem/1.1 var(--font-display);letter-spacing:-.03em;border-bottom:1px solid var(--line);animation:menu-link .5s var(--ease) both}.nav.open a[href="/"],.nav.open a[href^="/calculators/#"]{display:block}.nav.open a:after{display:none}.nav.open a:before{content:"";display:inline-block;width:12px;height:12px;margin-right:.8rem;border-radius:50%;background:var(--cat)}.nav.open a:nth-child(1){animation-delay:.04s}.nav.open a:nth-child(2){animation-delay:.08s}.nav.open a:nth-child(3){animation-delay:.12s}.nav.open a:nth-child(4){animation-delay:.16s}.nav.open a:nth-child(5){animation-delay:.2s}.nav.open a:nth-child(6){animation-delay:.24s}.nav.open a:nth-child(7){animation-delay:.28s}.nav.open a:nth-child(8){animation-delay:.32s}.nav.open a:nth-child(n+9){animation-delay:.36s}html.menu-open{overflow:hidden}}@keyframes menu-in{0%{opacity:0}}@keyframes menu-link{0%{opacity:0;transform:translateY(14px)}}@media(max-width:640px){.header>.wrap{min-height:62px;gap:.4rem}.logo{font-size:1.2rem}.logo-mark{width:32px;height:32px}.fx-kbd{padding:.3rem;min-width:44px;justify-content:center}.fx-kbd span,.fx-kbd kbd{display:none}}@media(max-width:380px){.logo-mark{display:none}.theme-btn,.fx-kbd{width:42px;min-width:42px;height:42px}}button,.button-link{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.6rem;min-height:46px;padding:.65rem 1.25rem;cursor:pointer;font:650 .95rem/1.2 var(--font-body);color:var(--ink);text-decoration:none;background:var(--surface);border:1.5px solid var(--edge);border-radius:var(--r-md);box-shadow:0 3px 0 var(--edge);transition:transform .12s ease-out,box-shadow .12s ease-out,background-color .2s,color .2s,border-color .2s}button:hover:not(:disabled),.button-link:hover{transform:translateY(-1px);box-shadow:0 4px 0 var(--edge)}button:active:not(:disabled),.button-link:active{transform:translateY(3px);box-shadow:0 0 0 var(--edge)}button:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.primary{background:var(--blue);color:#fff}.primary:hover:not(:disabled){background:var(--blue);filter:brightness(1.08)}.actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.3rem}.fx-ripple{display:none}.text-link{font-weight:700;color:var(--blue-text);text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100% / 0 2px no-repeat;padding-bottom:2px;transition:background-size .35s var(--ease)}.text-link:hover{background-size:100% 2px}#favorite:before{content:"\2606  " / ""}#favorite[aria-pressed=true]:before{content:"\2605  " / "";color:var(--orange)}label{display:block;font:700 .88rem/1.3 var(--font-body);color:var(--ink);margin-bottom:.4rem;transition:color .2s}.field:focus-within>label{color:var(--blue-text)}input,select,textarea{width:100%;min-height:50px;padding:.7rem .95rem;font:500 1rem/1.3 var(--font-body);color:var(--ink);background:var(--surface);border:2px solid var(--line-2);border-radius:var(--r-md);transition:border-color .2s,box-shadow .2s}input:hover,select:hover,textarea:hover{border-color:var(--ink-2)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px color-mix(in srgb,var(--blue) 22%,transparent)}input:user-invalid{border-color:var(--error)}.calculator-panel input[type=number],.calculator-panel input[type=text]{font-family:var(--font-mono);font-weight:500;font-variant-numeric:tabular-nums}select{-webkit-appearance:none;appearance:none;padding-right:2.6rem;background-image:linear-gradient(45deg,transparent 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,transparent 50%);background-position:calc(100% - 21px) 52%,calc(100% - 15px) 52%;background-size:6px 6px;background-repeat:no-repeat}textarea{font:500 .88rem/1.6 var(--font-mono);min-height:110px}input[type=search]{padding-left:2.9rem;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237b819c' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:1rem 50%;background-size:1.2rem}input[type=number]::-webkit-inner-spin-button{opacity:0}input[type=number]:hover::-webkit-inner-spin-button,input[type=number]:focus::-webkit-inner-spin-button{opacity:.8}.field-help{margin:.4rem 0 0;font-size:.8rem;color:var(--muted)}.error{margin:1rem 0 0;padding:.7rem .95rem;border-radius:var(--r-sm);background:color-mix(in srgb,var(--error) 10%,transparent);border:1.5px solid color-mix(in srgb,var(--error) 40%,transparent);color:var(--error);font-weight:600;font-size:.92rem;animation:shake .45s var(--ease)}.error:empty{display:none}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.1rem}.legal-form{max-width:620px}.legal-form label{margin-top:1rem}.footer{position:relative;overflow:hidden;margin-top:3rem;padding:3.4rem 0 0;background:var(--panel);color:var(--panel-muted)}.footer-top{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.6fr);gap:3rem}.footer .logo{color:var(--panel-ink);font-size:1.6rem;margin:0 0 .7rem}.footer .logo em{color:#8f9bff}.footer p{max-width:38ch;font-size:.95rem}.footer-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.2rem 1.5rem;align-content:start}.footer-links a{display:inline-block;padding:.45rem 0;color:var(--panel-ink);text-decoration:none;font-weight:600;font-size:.95rem;background:linear-gradient(var(--orange),var(--orange)) 0 calc(100% - .25rem) / 0 2px no-repeat;transition:background-size .35s var(--ease),color .2s}.footer-links a:hover{background-size:100% 2px;color:#fff}.footer-bottom{margin-top:2.4rem;padding:1.2rem 0;border-top:1px solid var(--panel-line);font-size:.85rem}.footer:after{content:"calculatorsonline.in.net";content:"calculatorsonline.in.net" / "";display:block;margin-top:.4rem;text-align:center;font:700 clamp(2.4rem,12.5vw,11rem)/.84 var(--font-display);letter-spacing:-.06em;white-space:nowrap;color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.16);-webkit-user-select:none;user-select:none;pointer-events:none;transform:translateY(16%)}.footer :focus-visible{outline-color:var(--orange)}@media(max-width:760px){.footer-top{grid-template-columns:1fr;gap:1.6rem}.footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}}.fx-progress{position:fixed;inset:0 0 auto;z-index:120;height:4px;pointer-events:none;transform-origin:0 50%;transform:scaleX(var(--fx-p, 0));background:linear-gradient(90deg,var(--blue),var(--orange))}.fx-top{position:fixed;right:max(1rem,env(safe-area-inset-right));bottom:max(1rem,env(safe-area-inset-bottom));z-index:70;width:50px;height:50px;min-height:0;padding:0;border-radius:50%;opacity:0;transform:translateY(14px) scale(.9);pointer-events:none;font-size:1.2rem;transition:opacity .3s,transform .4s var(--spring)}.fx-top.is-on{opacity:1;transform:none;pointer-events:auto}.fx-top.is-on:hover:not(:disabled){transform:translateY(-1px)}.fx-toast{position:fixed;left:50%;bottom:max(1.4rem,env(safe-area-inset-bottom));z-index:130;max-width:calc(100% - 2rem);padding:.8rem 1.2rem;border-radius:var(--r-md);background:var(--ink);color:var(--bg);font-weight:650;font-size:.92rem;border:1.5px solid var(--ink);box-shadow:4px 4px 0 var(--orange);transform:translate(-50%,24px);opacity:0;pointer-events:none;transition:opacity .3s,transform .45s var(--spring)}.fx-toast.is-on{opacity:1;transform:translate(-50%)}@media(max-width:360px){.header>.wrap{gap:.3rem}.logo{font-size:.95rem;min-width:0}.menu-toggle{padding:.4rem .7rem;font-size:.85rem}.theme-btn,.fx-kbd{width:40px;min-width:40px;height:40px;min-height:40px}}@media(max-width:335px){.logo{font-size:.9rem}}@media(max-width:480px){.menu-toggle{width:46px;min-width:46px;padding:0}.menu-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}}@media(max-width:360px){.menu-toggle{width:42px;min-width:42px}}@font-face{font-family:Familjen Fallback;src:local("Arial"),local("Helvetica Neue"),local("Helvetica");size-adjust:95.05%;ascent-override:107.84%;descent-override:23.67%;line-gap-override:0%}@font-face{font-family:Figtree Fallback;src:local("Arial"),local("Helvetica Neue"),local("Helvetica");size-adjust:100.27%;ascent-override:94.74%;descent-override:24.93%;line-gap-override:0%}:root{--font-display:"Familjen Grotesk Variable","Familjen Fallback","Segoe UI",system-ui,sans-serif;--font-body:"Figtree Variable","Figtree Fallback","Segoe UI",system-ui,sans-serif}.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;margin:0 0 1.2rem;font-size:.85rem;color:var(--muted)}.breadcrumb a{color:var(--muted);text-decoration:none}.breadcrumb a:hover{color:var(--cat)}.breadcrumb [aria-hidden]{color:var(--line-2)}.breadcrumb [aria-current]{color:var(--ink);font-weight:700}.eyebrow{display:inline-flex;align-items:center;gap:.5rem;margin:0 0 .9rem;padding:.32rem .7rem;border-radius:8px;background:var(--yellow);color:#0b0f26;font:700 .72rem/1.2 var(--font-mono);letter-spacing:.01em}.status-dot{position:relative;width:8px;height:8px;border-radius:50%;background:var(--orange);flex:none}.status-dot:after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--orange);animation:ping 2.2s var(--ease) infinite}.intro{max-width:60rem;margin:.4rem 0 0;font-size:1.15rem;line-height:1.7;color:var(--ink-2)}.tool-icon{display:grid;place-items:center;width:46px;height:46px;flex:none;border-radius:13px;background:var(--cat);color:#fff;border:1.5px solid var(--edge);box-shadow:0 3px 0 var(--edge)}.tool-icon svg{width:24px;height:24px}.calculator-title{display:flex;align-items:center;gap:1.1rem;margin:.2rem 0 .4rem}.calculator-title h1{margin:0}.calculator-title .tool-icon{width:60px;height:60px;border-radius:17px}.calculator-title .tool-icon svg{width:30px;height:30px}.calculator-context{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin:1.1rem 0 1.5rem}.calculator-context span{display:inline-flex;align-items:center;gap:.45rem;padding:.35rem .8rem;border-radius:999px;background:var(--surface);border:1.5px solid var(--line);font:600 .82rem var(--font-body);color:var(--ink-2)}.calculator-context span:before{content:"";width:.38rem;height:.7rem;margin:0 .15rem .2rem 0;border-right:2.5px solid var(--cat);border-bottom:2.5px solid var(--cat);transform:rotate(40deg)}.calculator-context a{font-weight:700;font-size:.88rem;padding:.35rem .4rem}.preferences{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin:0 0 2rem;padding:1rem 1.1rem 1.1rem;background:var(--surface);border:1.5px dashed var(--line-2);border-radius:var(--r-md)}.preferences label{font-size:.75rem;font-weight:700;color:var(--muted);text-transform:none;margin-bottom:.3rem}.preferences select{min-height:44px;font-size:.92rem}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:2.2rem;align-items:start}.calculator-panel{position:relative;padding:1.9rem;background:var(--surface);border:1.5px solid color-mix(in srgb,var(--ink) 60%,transparent);border-radius:var(--r-lg);box-shadow:7px 7px 0 var(--cat)}.calculator-panel h2,.result-panel h2{margin:0 0 1.2rem;font-size:1.35rem}.field>label{margin-bottom:.4rem}.result-panel{position:relative;overflow:hidden;min-height:300px;padding:1.9rem;color:var(--panel-ink);background:var(--panel);border-radius:var(--r-lg);border:1.5px solid var(--ink);box-shadow:7px 7px 0 var(--orange)}.result-panel{isolation:isolate}.result-panel:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background-image:radial-gradient(rgba(255,255,255,.11) 1.2px,transparent 1.4px);background-size:22px 22px;-webkit-mask-image:linear-gradient(160deg,#000,transparent 70%);mask-image:linear-gradient(160deg,#000,transparent 70%)}.result-panel:after{content:"";position:absolute;top:0;bottom:0;left:0;width:34%;z-index:0;pointer-events:none;opacity:0;background:linear-gradient(90deg,transparent,rgba(255,138,87,.28),transparent);transform:translate(-100%) skew(-14deg)}.result-panel.is-scanning:after{animation:scan 1s var(--ease) 1}.result-panel h2{color:#fff;display:flex;align-items:center;gap:.7rem}.result-panel h2:before{content:"";width:10px;height:10px;border-radius:50%;background:#4a5190;transition:background-color .4s,box-shadow .4s}#results:has(.result-grid) h2:before{background:var(--orange);box-shadow:0 0 0 4px #ff5a1f38,0 0 14px var(--orange)}#results:not(:has(.result-grid)) p{color:var(--panel-muted);max-width:30ch}#results:not(:has(.result-grid)) p:after{content:"";display:inline-block;width:.5em;height:1.05em;margin-left:.4em;vertical-align:-.17em;background:var(--orange);animation:blink 1.1s steps(2,jump-none) infinite}#results:not(:has(.result-grid)):after{content:"0.00";content:"0.00" / "";display:block;margin-top:1rem;font:600 clamp(3.4rem,8vw,5rem)/1 var(--font-mono);letter-spacing:-.04em;color:#ffffff12;-webkit-user-select:none;user-select:none}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;margin:1.1rem 0}.result-grid>div{position:relative;padding:1rem 1.15rem 1.05rem;border:1px solid var(--panel-line);border-radius:var(--r-md);background:#ffffff0b;animation:readout-in .6s var(--ease) backwards;animation-delay:calc(var(--i, 0) * 80ms + 60ms)}.result-grid>div:nth-child(1){--i: 0;grid-column:1 / -1;padding:1.3rem 1.35rem;border-color:#ff8a578c;background:linear-gradient(135deg,#ff5a1f29,#ff5a1f05 70%)}.result-grid>div:nth-child(2){--i: 1}.result-grid>div:nth-child(3){--i: 2}.result-grid>div:nth-child(4){--i: 3}.result-grid>div:nth-child(5){--i: 4}.result-grid>div:nth-child(6){--i: 5}.result-grid>div:nth-child(n+7){--i: 6}.result-grid>div:last-child:nth-child(2n){grid-column:1 / -1}.result-grid dt{margin:0;font:600 .84rem/1.35 var(--font-body);color:var(--panel-muted)}.result-grid dd{position:relative;margin:.3rem 0 0;font:600 clamp(1.3rem,2.2vw,1.7rem)/1.2 var(--font-mono);letter-spacing:-.03em;font-variant-numeric:tabular-nums;color:#fff;overflow-wrap:anywhere}.result-grid>div:first-child dd{font-size:clamp(2rem,4.2vw,3rem);color:#ff8a57}.result-grid dd.fx-rolling{color:transparent}.fx-roll{position:absolute;inset:0;color:#fff;pointer-events:none}.result-grid>div:first-child dd .fx-roll{color:#ff8a57}.result-panel details{margin:1rem 0 0;padding:0 .9rem .2rem;background:#ffffff0d;border:1px solid var(--panel-line);border-radius:var(--r-md)}.result-panel summary{color:var(--panel-ink)}.result-panel summary:before{border-color:var(--orange)!important}.result-panel .table-wrap{max-height:340px;margin-top:.4rem;border:1px solid var(--panel-line);border-radius:var(--r-md);background:#0000002e}.result-panel table{font:500 .88rem var(--font-mono)}.result-panel caption{padding:.7rem .8rem;color:var(--panel-muted);font:500 .8rem var(--font-body);text-align:left}.result-panel th{position:sticky;top:0;z-index:1;background:#1c2250;color:#fff;font:700 .76rem var(--font-body)}.result-panel th,.result-panel td{border-bottom:1px solid var(--panel-line)}.result-panel tbody tr:hover{background:#ffffff0f}.result-panel figure{margin:1rem 0 .6rem;padding:1rem 1.15rem 1.1rem;border:1px solid var(--panel-line);border-radius:var(--r-md);background:#0003}.result-panel figcaption{margin-bottom:.5rem;font-weight:700;font-size:.92rem}.result-panel figure div{margin:.55rem 0 .3rem;color:var(--panel-muted);font-size:.82rem}progress{-webkit-appearance:none;appearance:none;display:block;width:100%;height:12px;border:0;border-radius:99px;overflow:hidden;background:#ffffff29;animation:bar-fill 1.1s .3s var(--ease) backwards}progress::-webkit-progress-bar{background:#ffffff29;border-radius:99px}progress::-webkit-progress-value{border-radius:99px;background:linear-gradient(90deg,#ff5a1f,#ffb27a)}progress::-moz-progress-bar{border-radius:99px;background:linear-gradient(90deg,#ff5a1f,#ffb27a)}.result-panel .small{color:var(--panel-muted)}.result-panel .actions button{background:#ffffff1a;color:#fff;border-color:#000;box-shadow:0 3px #000}.result-panel .actions button:hover:not(:disabled){background:#ffffff2e}.result-panel :focus-visible{outline-color:var(--orange)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:2.4rem;margin-top:3.6rem;align-items:start}.prose{max-width:74ch}.article-layout .prose{max-width:none}.prose h1{margin-top:.3rem}.prose h2{margin:2.8rem 0 .8rem;scroll-margin-top:6rem}.prose h2:first-child{margin-top:0}.prose p,.prose li{color:var(--ink-2);font-size:1.04rem;line-height:1.78;overflow-wrap:anywhere}.prose p{max-width:72ch}.prose strong{color:var(--ink)}.prose a{font-weight:600}.prose ul{padding-left:1.3rem}.prose ul li::marker{color:var(--cat)}.prose ol{list-style:none;counter-reset:step;padding:0;margin:1rem 0 1.6rem}.article-layout .prose ol>li{position:relative;counter-increment:step;padding:.15rem 0 1rem 3.2rem}.article-layout .prose ol>li:before{content:counter(step);position:absolute;left:0;top:.05rem;display:grid;place-items:center;width:2.1rem;height:2.1rem;border-radius:9px;background:var(--cat);color:#fff;border:1.5px solid var(--edge);font:700 .9rem var(--font-mono);box-shadow:0 2px 0 var(--edge)}.formula{margin:1.1rem 0;padding:1rem 1.2rem;font:500 .95rem/1.7 var(--font-mono);color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-left:6px solid var(--cat);border-radius:var(--r-md);overflow-x:auto}.notice{display:flex;gap:.8rem;align-items:flex-start;margin:2rem 0;padding:1rem 1.2rem;background:var(--blue-soft);border:1.5px solid var(--cat-mid);border-radius:var(--r-md);color:var(--ink-2)}.notice:before{content:"i";content:"i" / "";flex:none;display:grid;place-items:center;width:1.5rem;height:1.5rem;margin-top:.1rem;border-radius:50%;background:var(--cat);color:#fff;font:italic 700 .85rem var(--font-display)}.prose dl{display:grid;grid-template-columns:max-content 1fr;margin:1rem 0 1.4rem;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--r-md);overflow:hidden}.prose dl dt,.prose dl dd{margin:0;padding:.7rem 1rem;border-bottom:1px solid var(--line)}.prose dl dt{background:var(--surface-2);color:var(--muted);padding-right:2rem}.prose dl dd{font:600 .95rem var(--font-mono);color:var(--ink);overflow-wrap:anywhere}.prose dl dt:last-of-type,.prose dl dd:last-of-type{border-bottom:0}table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}th,td{padding:.65rem .9rem;text-align:left;border-bottom:1px solid var(--line)}th{font-weight:700;font-size:.85rem;background:var(--surface-2)}.table-wrap{overflow:auto;max-width:100%;margin:1rem 0 1.4rem;border:1.5px solid var(--line);border-radius:var(--r-md);background:var(--surface)}.table-wrap table{margin:0}details{margin:.7rem 0;padding:0 1.15rem;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--r-md);transition:border-color .2s,box-shadow .2s}details:hover{border-color:var(--line-2)}details[open]{border-color:var(--cat);box-shadow:4px 4px 0 var(--cat-mid)}summary{display:flex;align-items:center;gap:.8rem;min-height:54px;padding:.4rem 0;font-weight:700;color:var(--ink);cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}summary:before{content:"";flex:none;width:.5rem;height:.5rem;border-right:2.5px solid var(--cat);border-bottom:2.5px solid var(--cat);transform:rotate(-45deg);transition:transform .3s var(--ease)}details[open]>summary:before{transform:rotate(45deg)}details>:not(summary){animation:fade-in .4s var(--ease) both}details p{margin:.2rem 0 1.1rem}@supports (interpolate-size: allow-keywords){:root{interpolate-size:allow-keywords}details::details-content{block-size:0;overflow:clip;transition:block-size .4s var(--ease),content-visibility .4s allow-discrete}details[open]::details-content{block-size:auto}}.related{position:sticky;top:6rem;padding:1.4rem;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--r-lg)}.related h2{margin:0 0 .5rem;font-size:1.05rem}.related h2:not(:first-child){margin-top:1.5rem}.related p{font-size:.9rem;color:var(--muted)}.related a{display:flex;align-items:center;justify-content:space-between;gap:.8rem;padding:.7rem .2rem;color:var(--ink);font-weight:600;font-size:.95rem;text-decoration:none;border-bottom:1px solid var(--line);transition:color .2s,padding .3s var(--ease)}.related a:last-child{border-bottom:0}.related a:after{content:"";flex:none;width:7px;height:7px;border-right:2px solid var(--line-2);border-top:2px solid var(--line-2);transform:rotate(45deg);transition:transform .3s var(--ease),border-color .2s}.related a:hover{color:var(--cat);padding-left:.5rem}.related a:hover:after{border-color:var(--cat);transform:translate(3px) rotate(45deg)}.toc{margin:0 0 1.5rem;padding-bottom:1.2rem;border-bottom:1.5px solid var(--line)}.toc ol{list-style:none;margin:0;padding:0 0 0 .9rem;border-left:2px solid var(--line)}.toc li{margin:0}.toc a{display:block;margin-left:-.9rem;padding:.35rem 0 .35rem .9rem;border:0;border-left:2px solid transparent;font-size:.88rem;font-weight:600;color:var(--muted);transform:none!important}.toc a:after{display:none}.toc a:hover{color:var(--ink);padding-left:.9rem}.toc a.is-active{color:var(--cat);border-left-color:var(--cat);margin-left:calc(-.9rem - 2px);padding-left:calc(.9rem + 2px)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:1.1rem}.card,.search-card{position:relative;display:flex;flex-direction:column;gap:.5rem;padding:1.35rem;color:var(--ink);text-decoration:none;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--r-lg);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s}.card:hover,.search-card:hover,.card:focus-visible,.search-card:focus-visible{transform:translate(-3px,-3px);border-color:var(--ink);box-shadow:6px 6px 0 var(--cat)}.card-heading{display:flex;align-items:center;gap:.7rem;margin-bottom:.4rem}.category{font:700 .78rem var(--font-body);color:var(--cat)}.card-arrow{margin-left:auto;font-weight:700;color:var(--muted);transition:transform .25s var(--ease),color .2s}.card:hover .card-arrow{transform:translate(3px,-3px);color:var(--cat)}.card strong,.search-card strong{font:700 1.15rem/1.25 var(--font-display);letter-spacing:-.02em}.card>span:not(.card-heading),.search-card>span{font-size:.93rem;line-height:1.55;color:var(--muted)}.search-results>*{animation:rise .45s var(--ease) backwards}.search-results>:nth-child(n+13){animation:none}.search-results:empty{display:none}.search-panel{padding:1.4rem;background:var(--surface);border:1.5px solid color-mix(in srgb,var(--ink) 60%,transparent);border-radius:var(--r-lg);box-shadow:6px 6px 0 var(--blue)}.search-panel+.search-results{margin-top:1.4rem}.search-row{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:1rem}.search-count{margin:.8rem 0 0;font-size:.85rem;color:var(--muted)}.pill,.quick-links a{display:inline-flex;align-items:center;min-height:40px;padding:.4rem .95rem;font:600 .88rem var(--font-body);color:var(--ink);text-decoration:none;background:var(--surface);border:1.5px solid var(--line-2);border-radius:999px;transition:background-color .2s,color .2s,border-color .2s,transform .2s var(--ease)}.pill:hover,.quick-links a:hover{background:var(--ink);color:var(--bg);border-color:var(--ink);transform:translateY(-2px)}.quick-links{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:1rem;font-size:.85rem;color:var(--muted)}.benefits{display:flex;flex-wrap:wrap;gap:.7rem;margin:1.4rem 0}.benefits span{padding:.45rem .9rem;border:1.5px solid var(--line-2);border-radius:999px;font:600 .88rem var(--font-body);background:var(--surface)}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin:0 0 1.3rem}.section-heading h2{margin:0}.section-heading>a{flex:none;white-space:nowrap;padding:.5rem 1rem;border:1.5px solid var(--ink);border-radius:999px;font-weight:700;font-size:.9rem;color:var(--ink);text-decoration:none;background:var(--surface);box-shadow:0 3px 0 var(--ink);transition:transform .12s,box-shadow .12s}.section-heading>a:hover{transform:translateY(-1px);box-shadow:0 4px 0 var(--ink)}main>section{margin-bottom:3.6rem}.az{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.3rem 0}.az a{display:grid;place-items:center;min-width:44px;min-height:44px;font:700 .95rem var(--font-mono);color:var(--ink);text-decoration:none;background:var(--surface);border:1.5px solid var(--line-2);border-radius:10px;transition:transform .2s var(--spring),background-color .2s,color .2s}.az a:hover{transform:translateY(-3px);background:var(--ink);color:var(--bg)}.directory-group{margin-top:2.2rem}.directory-group h2{font-size:1.8rem;color:var(--cat)}.directory-list{columns:3;column-gap:2rem}.directory-list a{display:block;padding:.55rem 0;color:var(--ink);font-size:.95rem;text-decoration:none;break-inside:avoid;transition:color .2s,padding .3s var(--ease)}.directory-list a:hover{color:var(--cat);padding-left:.5rem}.embed-preview{width:100%;min-height:1050px;border:1.5px solid var(--line-2);border-radius:var(--r-md);background:var(--surface)}.category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-flow:dense;gap:1.1rem}.category-card{padding:1.5rem;background:var(--surface)}.category-card .count{margin-top:auto;padding-top:1rem;font:600 2.6rem/1 var(--font-mono);letter-spacing:-.05em;color:var(--cat);font-variant-numeric:tabular-nums}.category-card .count small{font:600 .82rem var(--font-body);letter-spacing:0;color:var(--muted)}.category-grid>.category-card:nth-child(1){grid-column:span 2;grid-row:span 2;padding:clamp(1.5rem,3vw,2.4rem);color:#fff;background:var(--blue);border-color:var(--ink);background-image:radial-gradient(rgba(255,255,255,.18) 1.3px,transparent 1.5px);background-size:24px 24px}.category-grid>.category-card:nth-child(1):hover{box-shadow:7px 7px 0 var(--orange)}.category-grid>.category-card:nth-child(1) strong,.category-grid>.category-card:nth-child(1) .count{color:#fff}.category-grid>.category-card:nth-child(1) .count{font-size:clamp(4.4rem,9vw,8rem)}.category-grid>.category-card:nth-child(1) .count small,.category-grid>.category-card:nth-child(1)>span:not(.card-heading):not(.count){color:#ffffffd1}.category-grid>.category-card:nth-child(1) .tool-icon{background:#fff;color:var(--blue);width:56px;height:56px}.category-grid>.category-card:nth-child(n+6){grid-column:span 2}.journey-card{padding:1.7rem;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--r-lg);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s}.journey-card:hover{transform:translate(-3px,-3px);border-color:var(--ink);box-shadow:6px 6px 0 var(--orange)}.journey-number{display:inline-block;font:700 .72rem var(--font-mono);color:var(--orange-text)}.journey-card h3{margin:.8rem 0;font-size:1.3rem}.journey-card p{font-size:.95rem;color:var(--muted)}.journey-card a{font-weight:700;font-size:.9rem}.method-strip{display:grid;grid-template-columns:1fr 1fr;gap:3rem;padding:clamp(1.5rem,4vw,2.8rem);color:var(--panel-muted);background:var(--panel);border:1.5px solid var(--ink);border-radius:var(--r-xl);box-shadow:8px 8px 0 var(--yellow)}.method-strip h2{color:#fff;margin:.7rem 0 1rem}.method-strip .eyebrow{background:var(--yellow)}.method-steps p{display:flex;gap:1rem;align-items:center;margin:0 0 1rem}.method-steps b{display:grid;place-items:center;min-width:2.6rem;height:2.6rem;border-radius:10px;background:var(--yellow);color:#0b0f26;font:700 .85rem var(--font-mono)}.method-steps span{color:#fff;font-weight:700}.method-steps small{display:block;font-weight:400;font-size:.82rem;color:var(--panel-muted)}.method-steps a{color:#ffb27a;font-weight:700}body:has(.modern-hero):before{content:"";position:absolute;inset:0 0 auto;height:820px;z-index:-1;pointer-events:none;background-image:radial-gradient(var(--line-2) 1.2px,transparent 1.4px);background-size:28px 28px;-webkit-mask-image:linear-gradient(#000 20%,transparent);mask-image:linear-gradient(#000 20%,transparent)}body:has(.modern-hero):after{content:"";position:absolute;inset:0 0 auto;height:820px;z-index:-1;pointer-events:none;background-image:radial-gradient(var(--blue) 2px,transparent 2.3px);background-size:28px 28px;-webkit-mask-image:radial-gradient(260px circle at var(--mx, -999px) var(--my, -999px),#000,transparent 72%);mask-image:radial-gradient(260px circle at var(--mx, -999px) var(--my, -999px),#000,transparent 72%)}body{position:relative}.modern-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(2rem,5vw,4.5rem);align-items:center;padding:clamp(1.6rem,4vw,3.4rem) 0 clamp(2rem,4vw,3rem)}.hero-copy h1{font-size:clamp(2.7rem,6.4vw,5.4rem);line-height:.98;letter-spacing:-.045em;margin-bottom:1.1rem}.hero-copy h1 span{display:inline;background:linear-gradient(var(--yellow),var(--yellow)) 0 88% / 0 .4em no-repeat;animation:hl-draw .9s .5s var(--ease) forwards}.hero-copy>p{max-width:50ch;font-size:1.2rem;line-height:1.65;color:var(--ink-2)}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:1.2rem;margin:1.7rem 0 1.4rem}.button-link.primary{background:var(--blue);color:#fff;padding:.9rem 1.5rem;font-size:1rem}.hero-proof{display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;font:500 .8rem var(--font-mono);color:var(--muted)}.hero-proof span:before{content:"\2713  ";color:var(--orange-text);font-weight:700}.hero-stack{position:relative;display:grid;gap:1rem;padding:1rem 0}.live-card{position:relative;display:flex;flex-direction:column;gap:.2rem;padding:1.2rem 1.3rem;color:var(--ink);text-decoration:none;background:var(--surface);border:1.5px solid var(--ink);border-radius:var(--r-lg);box-shadow:6px 6px 0 var(--cat);transition:transform .25s var(--ease),box-shadow .25s var(--ease);animation:card-in .8s var(--ease) backwards}.live-card:nth-child(1){transform:rotate(-2deg) translate(-4%);animation-delay:.15s}.live-card:nth-child(2){transform:rotate(1.6deg) translate(8%);animation-delay:.3s}.live-card:nth-child(3){transform:rotate(-1deg) translate(0);animation-delay:.45s}.live-card:hover{transform:rotate(0) translate(-3px,-3px);box-shadow:9px 9px 0 var(--cat)}.lc-top{display:flex;align-items:center;gap:.7rem;margin-bottom:.5rem}.lc-top .tool-icon{width:36px;height:36px;border-radius:10px}.lc-top .tool-icon svg{width:19px;height:19px}.lc-name{font:700 1rem var(--font-display);letter-spacing:-.02em}.lc-tag{margin-left:auto;font:700 .7rem var(--font-mono);color:var(--cat)}.lc-label{font-size:.82rem;color:var(--muted);font-weight:600}.lc-value{font:600 clamp(1.9rem,3.4vw,2.5rem)/1.1 var(--font-mono);letter-spacing:-.04em;color:var(--ink);font-variant-numeric:tabular-nums;min-height:1.1em}.lc-foot{font:500 .78rem var(--font-mono);color:var(--muted)}.hero-stats{display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;margin-top:.4rem;font:500 .8rem var(--font-mono);color:var(--muted)}.hero-stats b{color:var(--ink);font-weight:700}.fx-marquee{position:relative;margin:0 0 3.2rem;overflow:hidden;padding:.3rem 0 .5rem;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}.fx-marquee .track{display:flex;width:max-content;animation:marquee 70s linear infinite}.fx-marquee:hover .track,.fx-marquee:focus-within .track{animation-play-state:paused}.fx-marquee .set{display:flex;gap:.7rem;padding-right:.7rem}.fx-marquee a{display:inline-flex;align-items:center;gap:.6rem;padding:.55rem 1.05rem;white-space:nowrap;font:650 .92rem var(--font-body);color:var(--ink);text-decoration:none;background:var(--surface);border:1.5px solid var(--line-2);border-radius:999px;transition:transform .2s var(--ease),background-color .2s,color .2s}.fx-marquee a:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--cat)}.fx-marquee a:hover{background:var(--ink);color:var(--bg);transform:translateY(-3px)}.home-search h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}.home-calculator{padding:clamp(1.1rem,3vw,1.8rem);background:var(--surface);border:1.5px solid color-mix(in srgb,var(--ink) 60%,transparent);border-radius:var(--r-xl);box-shadow:8px 8px 0 var(--orange)}.home-calculator .section-heading{align-items:center}.calc-modes{display:inline-flex;gap:2px;padding:4px;background:var(--surface-2);border:1.5px solid var(--line-2);border-radius:999px}.calc-modes button{min-height:38px;padding:.35rem 1.1rem;border:0;border-radius:999px;background:transparent;box-shadow:none}.calc-modes button:hover:not(:disabled){transform:none;box-shadow:none;background:var(--cat-soft)}.calc-modes button[aria-pressed=true],.calc-modes button[aria-pressed=true]:hover:not(:disabled){background:var(--ink);color:var(--bg)}.classic-calculator{padding:0}.calculator-machine{width:100%;padding:1.2rem;background:var(--panel);border:2px solid var(--ink);border-radius:26px}.machine-screen{padding:.7rem 1.1rem .5rem;background:#050816;border:1.5px solid #2a3070;border-radius:16px}.screen-top{display:flex;justify-content:space-between;font:500 .75rem var(--font-mono);color:#8d94c4}.calculator-machine #machine-display{display:block;width:100%;min-height:84px;padding:.2rem 0;border:0;border-radius:0;background:transparent;box-shadow:none;color:#fff;text-align:right;font:600 clamp(2.2rem,5vw,3.8rem)/1.2 var(--font-mono);letter-spacing:-.04em}#machine-error{margin:.25rem 0;color:#ff8a57;font-size:.88rem}#machine-error:empty{display:none}.machine-toolbar{display:flex;align-items:center;justify-content:space-between;padding:.7rem 0;color:var(--panel-muted);font:600 .78rem var(--font-mono)}.machine-toolbar>div{display:flex;gap:.5rem}.machine-toolbar button{min-height:38px;min-width:58px;padding:.3rem .7rem;color:#fff;background:var(--panel-2);border-color:#000;box-shadow:0 3px #000;font:700 .85rem var(--font-mono)}.machine-keys{display:grid;grid-template-columns:minmax(0,1fr);gap:.85rem}.basic-keys{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.7rem}.science-keys{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.7rem}.science-keys[hidden]{display:none}.classic-calculator[data-mode=scientific] .machine-keys{grid-template-columns:minmax(0,3fr) minmax(0,5fr)}.machine-keys button{min-width:0;min-height:66px;padding:.5rem .2rem;color:var(--ink);background:#eceefb;border:1.5px solid #000;border-radius:12px;box-shadow:0 4px #000;font:600 clamp(1.05rem,2.3vw,1.55rem) var(--font-mono)}.machine-keys button:hover:not(:disabled){filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 5px #000}.machine-keys button:active:not(:disabled){transform:translateY(4px);box-shadow:0 0 #000}.machine-keys .key-operator{color:#fff;background:var(--blue)}.machine-keys .key-science{color:#fff;background:#2d3470}.machine-keys .key-memory{color:#0b0f26;background:var(--yellow)}.machine-keys .key-clear{color:#fff;background:#e5365c}.machine-keys .key-equals{color:#fff;background:var(--orange)}.ad-reserve,.ad-slot{display:none}html.ads-on .ad-slot{display:block;position:relative;clear:both;min-height:120px;margin:2.2rem 0;padding-top:1.4rem;text-align:center;overflow:hidden}html.ads-on .ad-slot:before{content:"Advertisement";content:"Advertisement" / "";position:absolute;top:0;left:0;right:0;font:600 .68rem var(--font-mono);letter-spacing:.04em;color:var(--muted)}html.ads-on .ad-slot[data-slot=after-tool],html.ads-on .ad-slot[data-slot=in-article]{min-height:280px}html.ads-on .ad-slot ins.adsbygoogle{display:block;width:100%}.fx-pairs{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin:-.2rem 0 1.3rem}.fx-pairs>span{margin-right:.2rem;font:700 .78rem var(--font-body);color:var(--muted)}.fx-chip{min-height:34px;padding:.15rem .85rem;font:650 .82rem var(--font-body);background:var(--surface-2);border:1.5px solid var(--line-2);border-radius:999px;box-shadow:none}.fx-chip:hover:not(:disabled){box-shadow:none;transform:translateY(-1px);border-color:var(--ink)}.fx-chip[aria-pressed=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}.fx-quick{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.55rem}.fx-quick .fx-chip{min-height:30px;padding:.1rem .7rem;font-size:.78rem}.fields.fx-has-swap{grid-template-columns:minmax(0,1fr) 54px minmax(0,1fr);gap:1.1rem .5rem;align-items:end}.fields.fx-has-swap>.field:first-child{grid-column:1 / -1}.fx-swap{width:48px;height:48px;min-height:0;padding:0;margin-bottom:.15rem;justify-self:center;border-radius:50%;background:var(--yellow);color:#0b0f26}.fx-swap svg{width:22px;height:22px;transition:transform .55s var(--spring)}.fx-swap.is-spin svg{transform:rotate(180deg)}.fields .field.fx-swapping{animation:swap-move .5s var(--ease) both}.fx-pal{position:fixed;inset:0;z-index:300;display:grid;place-items:start center;padding:min(13vh,6.5rem) 1rem 1rem;background:#0508169e;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .2s,visibility 0s .2s}.fx-pal.is-on{opacity:1;visibility:visible;transition:opacity .2s}.fx-pal-box{width:min(660px,100%);overflow:hidden;background:var(--surface);border:2px solid var(--ink);border-radius:var(--r-lg);box-shadow:8px 8px 0 var(--orange);transform:translateY(-14px) scale(.97);transition:transform .35s var(--spring)}.fx-pal.is-on .fx-pal-box{transform:none}.fx-pal-head{display:flex;align-items:center;gap:.8rem;padding:0 1.1rem;border-bottom:1.5px solid var(--line)}.fx-pal-head svg{width:20px;height:20px;flex:none;color:var(--muted)}.fx-pal input{flex:1;min-height:62px;padding:0;border:0!important;box-shadow:none!important;background:transparent!important;font-size:1.1rem;outline:none}.fx-pal-head kbd{padding:.25rem .5rem;border:1px solid var(--line-2);border-radius:8px;font:600 .72rem var(--font-mono);color:var(--muted)}.fx-pal ul{list-style:none;margin:0;padding:.5rem;max-height:min(54vh,430px);overflow:auto}.fx-pal li{margin:0}.fx-pal li a{display:flex;align-items:center;gap:.85rem;padding:.7rem .8rem;color:var(--ink);text-decoration:none;border-radius:var(--r-md)}.fx-pal li a:before{content:"";flex:none;width:11px;height:11px;border-radius:3px;background:var(--cat)}.fx-pal li[aria-selected=true] a{background:var(--ink);color:var(--bg)}.fx-pal li[aria-selected=true] small{color:color-mix(in srgb,var(--bg) 70%,transparent)}.fx-pal li b{display:block;font:700 1.02rem var(--font-display);letter-spacing:-.02em}.fx-pal li small{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;font-size:.82rem;color:var(--muted)}.fx-pal li em{margin-left:auto;flex:none;font:700 .72rem var(--font-mono);font-style:normal}.fx-pal-foot{display:flex;gap:1.1rem;padding:.7rem 1.1rem;border-top:1.5px solid var(--line);background:var(--surface-2);color:var(--muted);font:500 .75rem var(--font-mono)}.fx-pal-empty{padding:2rem 1rem;text-align:center;color:var(--muted)}html.fx-lock{overflow:hidden}@keyframes rise{0%{opacity:0;transform:translateY(16px)}}@keyframes rise-t{0%{transform:translateY(18px)}}@keyframes card-in{0%{opacity:0;translate:0 30px}}@keyframes fade-in{0%{opacity:0;transform:translateY(-4px)}}@keyframes readout-in{0%{opacity:0;transform:translateY(12px) scale(.97)}}@keyframes hl-draw{to{background-size:100% .4em}}@keyframes ping{0%{transform:scale(1);opacity:.6}80%,to{transform:scale(3);opacity:0}}@keyframes blink{to{visibility:hidden}}@keyframes shake{0%,to{transform:none}20%{transform:translate(-6px)}40%{transform:translate(5px)}60%{transform:translate(-3px)}80%{transform:translate(2px)}}@keyframes scan{0%{opacity:0;transform:translate(-100%) skew(-14deg)}15%{opacity:1}to{opacity:0;transform:translate(380%) skew(-14deg)}}@keyframes bar-fill{0%{clip-path:inset(0 100% 0 0 round 99px)}to{clip-path:inset(0 0 0 0 round 99px)}}@keyframes marquee{to{transform:translate(-50%)}}@keyframes swap-move{0%{translate:var(--sx, 0px) var(--sy, 0px);opacity:.4}to{translate:0 0;opacity:1}}@keyframes confetti{0%{opacity:0;transform:translate(0) rotate(0) scale(.3)}15%{opacity:1}to{opacity:0;transform:translate(var(--sx),var(--sy)) rotate(var(--sr)) scale(1)}}.fx-spark{position:absolute;z-index:3;left:var(--ox);top:var(--oy);width:var(--ss, 9px);height:var(--ss, 9px);border-radius:2px;background:var(--sc, #fff);pointer-events:none;opacity:0;animation:confetti .95s cubic-bezier(.15,.7,.2,1) forwards;animation-delay:var(--sd, 0ms)}.calculator-title h1,.calculator-title+.intro,main>h1,main>.prose>h1,.hero-copy>*{animation:rise-t .7s var(--ease) backwards}.calculator-title .tool-icon{animation:card-in .6s var(--spring) backwards}.calculator-title+.intro{animation-delay:.1s}.calculator-context,.preferences,.calculator-panel,.result-panel{animation:rise .7s var(--ease) backwards}.calculator-context{animation-delay:.15s}.preferences{animation-delay:.2s}.calculator-panel{animation-delay:.25s}.result-panel{animation-delay:.32s}.hero-copy>:nth-child(2){animation-delay:.08s}.hero-copy>:nth-child(3){animation-delay:.16s}.hero-copy>:nth-child(4){animation-delay:.24s}.hero-copy>:nth-child(5){animation-delay:.3s}.fx-rv{opacity:0;transform:translateY(18px)}.fx-rv.fx-in{animation:rv .7s var(--ease) var(--d, 0ms) both}@keyframes rv{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}.calculator-panel form:not(.fx-used) .primary{animation:nudge 2.8s ease-in-out 1.8s infinite}@keyframes nudge{0%,62%,to{box-shadow:0 3px 0 var(--edge),0 0 #2a3bff00}70%{box-shadow:0 3px 0 var(--edge),0 0 #2a3bff80}to{box-shadow:0 3px 0 var(--edge),0 0 0 16px #2a3bff00}}.actions .primary.is-done:before{content:"\2713";content:"\2713" / "";position:absolute;inset:0;z-index:2;display:grid;place-items:center;font-size:1.3rem;font-weight:800;color:#fff;background:var(--orange);border-radius:inherit;animation:check-pop 1s var(--ease) both}@keyframes check-pop{0%{opacity:0;transform:scale(.5)}22%{opacity:1;transform:scale(1.1)}78%{opacity:1;transform:scale(1)}to{opacity:0}}@view-transition{navigation:auto}::view-transition-old(root){animation:vt-out .18s ease both}::view-transition-new(root){animation:vt-in .35s var(--ease) both}@keyframes vt-out{to{opacity:0}}@keyframes vt-in{0%{opacity:0;transform:translateY(10px)}}.fx-theme-vt::view-transition-old(root),.fx-theme-vt::view-transition-new(root){animation:none;mix-blend-mode:normal}@supports (animation-timeline: view()){.article-layout .prose>h2,.article-layout .prose>.formula,.article-layout .prose>.table-wrap,.article-layout .prose>dl,.article-layout .prose>details{animation:reveal-up linear both;animation-timeline:view();animation-range:entry 0% entry 35%}}@keyframes reveal-up{0%{opacity:.4;transform:translateY(16px)}to{opacity:1;transform:none}}@media(max-width:1100px){.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-grid>.category-card:nth-child(1){grid-column:span 2;grid-row:span 1}.category-grid>.category-card:nth-child(n+6){grid-column:auto}}@media(max-width:1000px){.article-layout{grid-template-columns:minmax(0,1fr);gap:2rem}.related{position:static}.directory-list{columns:2}}@media(max-width:900px){.workspace,.modern-hero{grid-template-columns:minmax(0,1fr)}.live-card:nth-child(1),.live-card:nth-child(2),.live-card:nth-child(3){transform:none}.method-strip{grid-template-columns:minmax(0,1fr);gap:1.6rem}.result-panel{scroll-margin-top:5.5rem}}@media(max-width:700px){.preferences{grid-template-columns:1fr 1fr;gap:.8rem}.preferences>:nth-child(2){grid-column:1 / -1;order:3}.search-row{grid-template-columns:minmax(0,1fr)}.calculator-panel,.result-panel{padding:1.3rem;box-shadow:5px 5px 0 var(--cat)}.result-panel,.home-calculator{box-shadow:5px 5px 0 var(--orange)}}@media(max-width:600px){.fields,.fields.fx-has-swap{grid-template-columns:minmax(0,1fr)}.fx-swap svg{transform:rotate(90deg)}.fx-swap.is-spin svg{transform:rotate(270deg)}.result-grid{grid-template-columns:minmax(0,1fr)}.result-grid>div:last-child:nth-child(2n){grid-column:auto}.category-grid{grid-template-columns:minmax(0,1fr)}.category-grid>.category-card:nth-child(1){grid-column:auto}.directory-list{columns:1}.prose dl{grid-template-columns:minmax(0,1fr)}.prose dl dt{border-bottom:0;padding:.7rem 1rem .1rem}.prose dl dd{padding-top:.1rem}.calculator-title .tool-icon{width:48px;height:48px;border-radius:14px}.calculator-title .tool-icon svg{width:24px;height:24px}.intro{font-size:1.04rem}.calculator-machine{padding:.7rem;border-radius:20px}.basic-keys,.science-keys{gap:.4rem}.machine-keys button{min-height:54px;border-radius:10px;font-size:1.1rem;box-shadow:0 3px #000}.classic-calculator[data-mode=scientific] .machine-keys{grid-template-columns:minmax(0,1fr)}.science-keys{grid-template-columns:repeat(6,minmax(0,1fr))}.science-keys button{min-height:46px;font-size:.9rem}.calculator-machine #machine-display{min-height:68px}.section-heading{flex-wrap:wrap;align-items:flex-start}.fx-pal{padding-top:4.5rem}}@media(max-width:360px){.wrap{width:calc(100% - 1.6rem)}.calculator-panel,.result-panel{padding:1.05rem}}@media(hover:none){.card:hover,.search-card:hover,.journey-card:hover,.live-card:hover{transform:none;box-shadow:none}.live-card{box-shadow:4px 4px 0 var(--cat)}}@media(pointer:coarse){.pill,.az a,.quick-links a{min-height:44px}}body[data-embed=true] .header,body[data-embed=true] .footer,body[data-embed=true] .fx-progress,body[data-embed=true] .fx-top{display:none}body[data-embed=true]:before,body[data-embed=true]:after{display:none}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-delay:0ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.fx-rv{opacity:1;transform:none}.fx-marquee{overflow-x:auto}.fx-marquee .track{animation:none}.header.is-hidden{transform:none}.fx-spark{display:none}}@media print{.header,.footer,.actions,.preferences,.related,.ad-slot,.ad-reserve,#status,.search-panel,.breadcrumb,.fx-progress,.fx-top,.fx-toast,.fx-pal,.fx-marquee{display:none!important}body{background:#fff;color:#000}body:before,body:after{display:none!important}.fx-rv{opacity:1!important;transform:none!important}.calculator-panel,.result-panel{box-shadow:none;background:#fff;color:#000;border:1px solid #999}.result-panel h2,.result-grid dt,.result-grid dd,.result-grid>div:first-child dd{color:#000}.result-grid>div{background:#fff;border-color:#bbb}.result-panel:before,.result-panel:after{display:none}.table-wrap{overflow:visible;max-height:none}*{animation:none!important}}.hero-stack .live-card:nth-child(1){translate:calc(var(--hx, 0) * 16px) calc(var(--hy, 0) * 10px)}.hero-stack .live-card:nth-child(2){translate:calc(var(--hx, 0) * -12px) calc(var(--hy, 0) * 14px)}.hero-stack .live-card:nth-child(3){translate:calc(var(--hx, 0) * 8px) calc(var(--hy, 0) * -10px)}.kbd-hint{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem .55rem;margin:.9rem 0 0;font:500 .8rem/1.6 var(--font-mono);color:var(--muted)}.kbd-hint kbd{display:inline-block;padding:.08rem .45rem;font:600 .78rem var(--font-mono);color:var(--ink);background:var(--surface);border:1.5px solid var(--line-2);border-radius:7px;box-shadow:0 2px 0 var(--line-2)}.calculator-context+.kbd-hint{margin:-.6rem 0 1.5rem}.machine-keys button.is-pressed{transform:translateY(4px);box-shadow:0 0 #000;filter:brightness(1.12)}@media print{.kbd-hint{display:none!important}}

.result-value{font:800 clamp(1.9rem,5vw,2.7rem)/1.12 var(--font-display);overflow-wrap:anywhere;margin:.4rem 0 .6rem}
.result-detail{overflow-wrap:anywhere}
.status-list{display:grid;grid-template-columns:minmax(0,14rem) minmax(0,1fr);gap:.55rem 1.2rem;margin:1rem 0 1.4rem}
.status-list dt{font-weight:700}.status-list dd{margin:0;overflow-wrap:anywhere}
.status-list .ok{color:#0a7a3d}.status-list .bad{color:#c0262d;font-weight:700}
@media(max-width:600px){.status-list{grid-template-columns:minmax(0,1fr)}}

.result-note{margin:.7rem 0 0;font-size:.92rem;line-height:1.5;color:var(--panel-muted);max-width:none}
.result-panel .result-note:first-of-type{margin-top:1rem}


/* hub-spacing */
main .intro+.search-panel{margin-top:1.8rem}
main .search-results:empty{display:none}
main .search-panel~h2,main .grid~h2,main .grid+h2{margin-top:2.6rem}

.result-grid>div:first-child dd.is-long{font-size:clamp(1.15rem,3.4vw,1.7rem);line-height:1.25}

/* plain-text fallback: shown only if the card renderer (region-ui) did not run */
#calc-output{margin:1rem 0 0;padding:1rem 1.1rem;border:1px dashed #ffffff55;border-radius:12px;color:#f5f6ff}
#calc-output #result-main{display:block;font:700 1.7rem/1.2 var(--font-mono);color:#ff8a57;overflow-wrap:anywhere}
#calc-output #result-detail{display:block;margin-top:.5rem;font-size:.95rem;line-height:1.5;overflow-wrap:anywhere}
html.ui-ready #calc-output{display:none}
#dc-sum{font-weight:700;margin:.8rem 0}#dc-sum.ok{color:#0a7a3d}#dc-sum.bad{color:#c0262d}
#dc-prog{width:100%;height:10px}#dc-list{padding-left:1.2rem}#dc-list .bad{color:#c0262d;margin:.3rem 0;overflow-wrap:anywhere}

/* side-rail: content column is 1000px so Google side-rail ads have room on both sides of wide screens */
@media(min-width:900px){.nav.open{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-content:start;gap:0 2.4rem;height:auto;max-height:calc(100vh - 80px);max-height:calc(100dvh - 80px);padding:1.6rem max(1.4rem,calc((100% - 1000px)/2)) 2.2rem}.nav.open a{font-size:1.25rem;padding:.8rem .2rem}}

@media(min-width:900px){.nav.open{border-bottom:1px solid var(--line);box-shadow:0 22px 34px -20px #0b0f2659}}
html{overflow-x:hidden}

.footer .logo{display:block}
main h2>small,main h3>small,main h4>small{font-size:.6em;font-weight:600;color:var(--ink-2)}