@font-face{font-family:Big Shoulders Display;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/big-shoulders-display-latin-700-normal.KM2fueoL.woff2)format("woff2"),url(/_astro/big-shoulders-display-latin-700-normal.CMi6UoP4.woff)format("woff")}@font-face{font-family:Big Shoulders Display;font-style:normal;font-display:swap;font-weight:800;src:url(/_astro/big-shoulders-display-latin-800-normal.DDUD9Xuh.woff2)format("woff2"),url(/_astro/big-shoulders-display-latin-800-normal.CI0lhnTM.woff)format("woff")}@font-face{font-family:Big Shoulders Display;font-style:normal;font-display:swap;font-weight:900;src:url(/_astro/big-shoulders-display-latin-900-normal.CW8trzgu.woff2)format("woff2"),url(/_astro/big-shoulders-display-latin-900-normal.DMT-1gsg.woff)format("woff")}@font-face{font-family:Instrument Sans Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/_astro/instrument-sans-latin-ext-wght-normal.B5bTHO_g.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,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:Instrument Sans Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/_astro/instrument-sans-latin-wght-normal.BbzFLZTg.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-latin-400-normal.DMJ8VG8y.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-400-normal.CvHOgSBP.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-latin-500-normal.DSY6xOcd.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-500-normal.CB9ihrfo.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-mono-latin-600-normal.BgSNZQsw.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-600-normal.DWFSQ4vo.woff)format("woff")}:root{--paper:#f4efe1;--paper-deep:#eae2cb;--sheet:#fbf8ee;--field:#fffdf6;--ink:#0f2340;--ink-soft:#3b4a63;--muted:#5d6a80;--blue:#1b4b8f;--blueprint:#0c2a55;--blueprint-line:#5f86bd;--orange:#ee5a14;--orange-deep:#c24409;--yellow:#ffd166;--line:#cfc4a4;--grid:#0f23400e;--ok:#1f7a55;--bad:#b3261e;--font-display:"Big Shoulders Display", "Arial Narrow", Impact, sans-serif;--font-body:"Instrument Sans Variable", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;--wrap:72rem;--gutter:1rem;--radius:2px;--shadow-hard:5px 5px 0 var(--ink);--ease:cubic-bezier(.2, .7, .2, 1)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:1rem}body{min-height:100vh;font-family:var(--font-body);color:var(--ink);background-color:var(--paper);background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background-position:-1px -1px;background-size:28px 28px;flex-direction:column;margin:0;font-size:1rem;line-height:1.6;display:flex}main{flex:1}[hidden]{display:none!important}img,svg{max-width:100%;display:block}a{color:var(--blue);text-underline-offset:.18em;text-decoration-thickness:.08em}a:hover{color:var(--orange-deep)}:focus-visible{outline:3px solid var(--orange);outline-offset:2px}::selection{background:var(--yellow);color:var(--ink)}.wrap{width:100%;max-width:var(--wrap);padding-inline:var(--gutter);margin-inline:auto}.skip{z-index:100;background:var(--ink);color:var(--paper);font-family:var(--font-mono);padding:.6rem 1rem;font-size:.85rem;position:absolute;top:-4rem;left:.5rem}.skip:focus{color:var(--paper);top:.5rem}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:.005em;text-transform:uppercase;text-wrap:balance;margin:0;font-weight:800;line-height:.98}h1{font-size:clamp(2.5rem,9vw,4.75rem);font-weight:900}h2{font-size:clamp(1.9rem,5vw,2.75rem)}h3{font-size:clamp(1.4rem,3.4vw,1.75rem)}.kicker{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);align-items:center;gap:.55rem;font-size:.72rem;font-weight:600;display:inline-flex}.kicker:before{content:"";background:var(--orange);flex:none;width:.65rem;height:.65rem}.mono{font-family:var(--font-mono)}.btn{--bg:var(--orange);--fg:var(--ink);min-height:3rem;font-family:var(--font-display);letter-spacing:.04em;text-transform:uppercase;color:var(--fg);background:var(--bg);border:2px solid var(--ink);border-radius:var(--radius);box-shadow:3px 3px 0 var(--ink);cursor:pointer;transition:transform .15s var(--ease), box-shadow .15s var(--ease);justify-content:center;align-items:center;gap:.55rem;padding:.7rem 1.25rem;font-size:1.2rem;font-weight:800;text-decoration:none;display:inline-flex}.btn:hover{color:var(--fg);box-shadow:5px 5px 0 var(--ink);transform:translate(-2px,-2px)}.btn:active{box-shadow:1px 1px 0 var(--ink);transform:translate(2px,2px)}.btn--ghost{--bg:transparent}.btn--small{min-height:2.5rem;box-shadow:2px 2px 0 var(--ink);padding:.4rem .85rem;font-size:1rem}.btn--dark{--bg:var(--ink);--fg:var(--paper);border-color:var(--ink)}.site-header{border-bottom:2px solid var(--ink);background:var(--paper);z-index:10;position:relative}.site-header__row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.25rem 1rem;padding-block:.7rem;display:flex}.brand{color:var(--ink);align-items:center;gap:.7rem;text-decoration:none;display:inline-flex}.brand:hover{color:var(--ink)}.brand__mark{flex:none;width:2.5rem;height:2.5rem}.brand__name{font-family:var(--font-display);letter-spacing:.03em;text-transform:uppercase;font-size:1.55rem;font-weight:900;line-height:.9;display:block}.brand__sub{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:.2rem;font-size:.62rem;display:block}.nav{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;flex-wrap:wrap;gap:.15rem 1.1rem;font-size:.78rem;font-weight:600;display:flex}.nav a{color:var(--ink);border-bottom:3px solid #0000;padding:.55rem 0;text-decoration:none}.nav a:hover,.nav a[aria-current=page]{color:var(--ink);border-bottom-color:var(--orange)}.hero{padding-block:2.25rem 2rem}.hero__grid{gap:2rem;display:grid}.hero h1{margin-top:1rem;font-size:clamp(3.3rem,15vw,7.6rem);line-height:.86}.hero h1 .mark{color:var(--ink);display:inline-block;position:relative}.hero h1 .mark:after{content:"";background:var(--orange);z-index:-1;transform-origin:0;height:.2em;animation:draw-bar .8s .5s var(--ease) both;position:absolute;inset:auto -.05em .04em}.hero__lead{max-width:34rem;color:var(--ink-soft);margin:1.4rem 0 0;font-size:1.125rem}.hero__cta{flex-wrap:wrap;gap:.85rem;margin-top:1.6rem;display:flex}.plan{background:var(--blueprint);border:2px solid var(--ink);box-shadow:var(--shadow-hard);color:#dbe7fb;padding:.75rem}.plan__bar{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:#9db8e0;justify-content:space-between;gap:1rem;padding:0 .15rem .6rem;font-size:.66rem;display:flex}.plan svg{width:100%;height:auto}.plan .draw{stroke-dasharray:1;stroke-dashoffset:1px;animation:draw-line 1.6s var(--ease) forwards}.plan .draw--2{animation-delay:.35s}.plan .draw--3{animation-delay:.7s}.plan .fade{opacity:0;animation:.6s 1.4s forwards fade-in}.strip{border-block:2px solid var(--ink);background:var(--ink);color:var(--paper);overflow:hidden}.strip__row{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;flex-wrap:wrap;gap:.4rem 1.6rem;padding-block:.7rem;font-size:.74rem;font-weight:600;display:flex}.strip__row span:before{content:"+ ";color:var(--orange)}.section{padding-block:3rem}.section__head{gap:.75rem;margin-bottom:1.75rem;display:grid}.section__head p{max-width:40rem;color:var(--ink-soft);margin:0}.section--blueprint{background:var(--blueprint);color:#dbe7fb;border-block:2px solid var(--ink);background-image:linear-gradient(#ffffff0f 1px,#0000 1px),linear-gradient(90deg,#ffffff0f 1px,#0000 1px);background-size:28px 28px}.section--blueprint h2{color:#fff}.section--blueprint .kicker{color:#9db8e0}.section--blueprint .section__head p{color:#b9cdea}.tool-grid{grid-template-columns:1fr;gap:1.1rem;margin:0;padding:0;list-style:none;display:grid}.tool-card{height:100%;color:var(--ink);background:var(--sheet);border:2px solid var(--ink);border-radius:var(--radius);transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s;flex-direction:column;gap:.6rem;padding:1.1rem 1.1rem 1rem;text-decoration:none;display:flex;position:relative}.tool-card:before,.tool-card:after{content:"";border:2px solid var(--orange);pointer-events:none;width:.7rem;height:.7rem;position:absolute}.tool-card:before{border-bottom:0;border-right:0;top:-2px;left:-2px}.tool-card:after{border-top:0;border-left:0;bottom:-2px;right:-2px}.tool-card:hover{color:var(--ink);box-shadow:var(--shadow-hard);background:#fff;transform:translate(-3px,-3px)}.tool-card__top{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);justify-content:space-between;align-items:center;font-size:.68rem;font-weight:600;display:flex}.tool-card__icon{width:2.75rem;height:2.75rem;color:var(--blue)}.tool-card h3{font-size:1.65rem}.tool-card p{color:var(--ink-soft);margin:0;font-size:.95rem}.tool-card__go{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--orange-deep);margin-top:auto;padding-top:.5rem;font-size:.75rem;font-weight:600}.tool-card:hover .tool-card__go{text-decoration:underline}.points{gap:1rem;margin:0;padding:0;list-style:none;display:grid}.point{border:1.5px solid var(--blueprint-line);background:#ffffff0a;padding:1.1rem}.point__no{font-family:var(--font-mono);letter-spacing:.14em;color:var(--yellow);font-size:.72rem}.point h3{color:#fff;margin:.4rem 0 .5rem;font-size:1.5rem}.point p{color:#c5d6ee;margin:0;font-size:.95rem}.post-list{border-top:2px solid var(--ink);gap:0;margin:0;padding:0;list-style:none;display:grid}.post{border-bottom:1.5px solid var(--line)}.post a{color:var(--ink);transition:background .15s, padding .2s var(--ease);gap:.3rem;padding:1rem .2rem;text-decoration:none;display:grid}.post a:hover{background:var(--paper-deep);color:var(--ink);padding-left:.8rem}.post__meta{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-size:.68rem;font-weight:600}.post__title{font-family:var(--font-display);text-transform:uppercase;font-size:1.5rem;font-weight:800;line-height:1.02}.post__desc{color:var(--ink-soft);font-size:.95rem}.page-head{padding-block:1.75rem 1.5rem}.page-head h1{margin-top:.9rem}.page-head .lead{max-width:44rem;color:var(--ink-soft);margin:1rem 0 0;font-size:1.1rem}.crumbs{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);flex-wrap:wrap;gap:.2rem .5rem;margin:0;padding:0;font-size:.7rem;list-style:none;display:flex}.crumbs li+li:before{content:"/";color:var(--line);margin-right:.5rem}.crumbs a{color:var(--ink-soft)}.meta-line{font-family:var(--font-mono);letter-spacing:.06em;color:var(--muted);margin-top:.9rem;font-size:.72rem}.sheet{background:var(--sheet);border:2px solid var(--ink);box-shadow:var(--shadow-hard);position:relative}.sheet__bar{background:var(--ink);color:var(--paper);font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;flex-wrap:wrap;justify-content:space-between;gap:.2rem 1rem;padding:.5rem .9rem;font-size:.68rem;font-weight:600;display:flex}.sheet__body{gap:1.5rem;padding:1rem;display:grid}.sheet__form{align-content:start;gap:1.25rem;min-width:0;display:grid}fieldset{border:0;min-width:0;margin:0;padding:0}.group{gap:.9rem;padding:0;display:grid}.group__title{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink);align-items:center;gap:.6rem;margin:0 0 .15rem;padding:0;font-size:.72rem;font-weight:600;display:flex}.group__title:after{content:"";border-top:1.5px dashed var(--line);flex:1;height:0}.cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem;display:grid}.cols--1{grid-template-columns:minmax(0,1fr)}.span-2{grid-column:1/-1}.field{align-content:start;gap:.3rem;min-width:0;display:grid}.field__label{color:var(--ink);font-size:.85rem;font-weight:600;line-height:1.25}.field__control{display:block;position:relative}.input,.select{width:100%;min-height:3rem;font:inherit;font-family:var(--font-mono);color:var(--ink);background:var(--field);border:2px solid var(--ink);border-radius:var(--radius);-webkit-appearance:none;appearance:none;padding:.55rem .75rem;font-size:1rem;font-weight:500;transition:box-shadow .12s,background .12s}.input:hover,.select:hover{background:#fff}.input:focus,.select:focus{box-shadow:0 0 0 3px var(--orange);background:#fff;outline:none}.input--unit{padding-right:3.4rem}.field__unit{font-family:var(--font-mono);letter-spacing:.04em;color:var(--muted);pointer-events:none;font-size:.78rem;font-weight:600;position:absolute;top:50%;right:.75rem;transform:translateY(-50%)}.select{font-family:var(--font-body);background-image:linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);background-position:calc(100% - 1.15rem) 52%,calc(100% - .8rem) 52%;background-repeat:no-repeat;background-size:.36rem .36rem,.36rem .36rem;padding-right:2.2rem;font-weight:500}.field__hint{color:var(--muted);font-size:.78rem;line-height:1.35}.input[aria-invalid=true]{border-color:var(--bad)}.check{background:var(--field);border:2px solid var(--ink);border-radius:var(--radius);cursor:pointer;align-items:flex-start;gap:.65rem;min-height:2.75rem;padding:.5rem .75rem;font-size:.92rem;font-weight:600;line-height:1.3;display:flex}.check input{width:1.3rem;height:1.3rem;accent-color:var(--orange-deep);flex:none;margin:.05rem 0 0}.check small{color:var(--muted);font-size:.78rem;font-weight:400;display:block}.seg{border:2px solid var(--ink);border-radius:var(--radius);background:var(--field);grid-auto-columns:1fr;grid-auto-flow:column;display:grid;overflow:hidden}.seg label{cursor:pointer;display:block}.seg input{opacity:0;pointer-events:none;position:absolute}.seg span{text-align:center;justify-content:center;align-items:center;min-height:2.75rem;padding:.4rem .5rem;font-size:.88rem;font-weight:600;line-height:1.2;display:flex}.seg label+label span{border-left:2px solid var(--ink)}.seg input:checked+span{background:var(--ink);color:var(--paper)}.seg input:focus-visible+span{outline:3px solid var(--orange);outline-offset:-3px}.rows{gap:.75rem;display:grid}.row{background:var(--paper);border:1.5px dashed var(--ink-soft);gap:.75rem;min-width:0;padding:.9rem 3.2rem .9rem .9rem;display:grid;position:relative}.row__no{font-family:var(--font-mono);letter-spacing:.1em;color:var(--muted);font-size:.66rem;position:absolute;top:.55rem;right:.7rem}.row__del{width:2.5rem;height:2.5rem;color:var(--bad);border-radius:var(--radius);cursor:pointer;background:0 0;border:1.5px solid #0000;place-items:center;font-size:1.4rem;line-height:1;display:grid;position:absolute;bottom:.4rem;right:.4rem}.row__del:hover{border-color:var(--bad);background:#fff}.row-sum{font-family:var(--font-mono);color:var(--ink-soft);font-size:.8rem}.row-sum b{color:var(--ink)}.res{background:var(--blueprint);color:#dbe7fb;border:2px solid var(--ink);background-image:linear-gradient(#ffffff0d 1px,#0000 1px),linear-gradient(90deg,#ffffff0d 1px,#0000 1px);background-size:24px 24px;align-self:start;min-width:0}.res__head{border-bottom:1.5px solid var(--blueprint-line);font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:#9db8e0;justify-content:space-between;padding:.5rem .9rem;font-size:.66rem;font-weight:600;display:flex}.res__hero{border-bottom:1.5px dashed var(--blueprint-line);padding:1rem .9rem .8rem}.res__hero-label{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:#9db8e0;font-size:.7rem}.res__big{font-family:var(--font-display);color:var(--yellow);flex-wrap:wrap;align-items:baseline;gap:.5rem;margin-top:.15rem;font-weight:900;line-height:.95;display:flex}.res__big [data-out]{font-size:clamp(2.9rem,12vw,4.4rem)}.res__big-unit{color:#fff;letter-spacing:.03em;text-transform:uppercase;font-size:1.5rem}.res__sub{color:#b9cdea;margin-top:.4rem;font-size:.85rem}.res__rows{margin:0;padding:.3rem .9rem .6rem}.res__row{border-bottom:1px dotted var(--blueprint-line);justify-content:space-between;align-items:baseline;gap:.75rem;padding:.5rem 0;display:flex}.res__row:last-child{border-bottom:0}.res__row dt{color:#c5d6ee;min-width:0;font-size:.86rem}.res__row dd{text-align:right;max-width:62%;font-family:var(--font-mono);color:#fff;overflow-wrap:anywhere;flex:none;margin:0;font-size:.95rem;font-weight:600}.res__row--strong dt{color:#fff;font-weight:600}.res__row--strong dd{color:var(--yellow)}.res__note{border-top:1.5px dashed var(--blueprint-line);color:#b9cdea;margin:0;padding:.7rem .9rem;font-size:.8rem;line-height:1.45}.res__note:empty{display:none}.res__actions{border-top:1.5px solid var(--blueprint-line);flex-wrap:wrap;gap:.5rem;padding:.75rem .9rem .9rem;display:flex}.res__actions .btn{box-shadow:none;--bg:transparent;--fg:#fff;border-color:var(--blueprint-line);flex:auto;min-height:2.6rem;font-size:.95rem}.res__actions .btn:hover{--bg:#ffffff1a;box-shadow:none;border-color:#fff;transform:none}.res [data-out]{transition:color .2s}.res .flash{animation:.5s flash}.table-wrap{-webkit-overflow-scrolling:touch;margin:.5rem 0;overflow-x:auto}.res table,.data-table{border-collapse:collapse;width:100%;font-family:var(--font-mono);font-size:.78rem}.res th,.res td{text-align:right;white-space:nowrap;border-bottom:1px dotted var(--blueprint-line);padding:.4rem .5rem}.res th{letter-spacing:.06em;text-transform:uppercase;color:#9db8e0;font-size:.68rem;font-weight:600}.res th:first-child,.res td:first-child{text-align:left}.res__table-wrap{padding:.3rem .9rem .6rem}.res__table-title{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:#9db8e0;padding:.7rem .9rem 0;font-size:.7rem}.status{font-family:var(--font-mono);letter-spacing:.05em;text-transform:uppercase;border:1.5px solid;padding:.1rem .45rem;font-size:.72rem;font-weight:600;display:inline-block}.status--ok{color:#7be0b0}.status--warn{color:var(--yellow)}.status--bad{color:#ff9a8f}.toast{z-index:50;background:var(--ink);max-width:calc(100vw - 2rem);color:var(--paper);border:2px solid var(--yellow);font-family:var(--font-mono);transition:transform .25s var(--ease);padding:.7rem 1.1rem;font-size:.82rem;position:fixed;bottom:1rem;left:50%;transform:translate(-50%,150%)}.toast.is-on{transform:translate(-50%)}.prose{max-width:44rem;font-size:1.0625rem;line-height:1.75}.prose>:first-child{margin-top:0}.prose h2{border-top:2px solid var(--ink);margin:2.8rem 0 .9rem;padding-top:1.1rem;font-size:clamp(1.8rem,4.6vw,2.4rem)}.prose h3{color:var(--blue);margin:2rem 0 .6rem}.prose p{margin:0 0 1.1rem}.prose ul,.prose ol{margin:0 0 1.3rem;padding-left:1.3rem}.prose li{margin-bottom:.45rem;padding-left:.2rem}.prose li::marker{color:var(--orange-deep);font-weight:700}.prose strong{font-weight:650}.prose code{font-family:var(--font-mono);background:var(--paper-deep);border:1px solid var(--line);padding:.1em .35em;font-size:.88em}.prose blockquote{background:var(--sheet);border:2px solid var(--ink);border-left:8px solid var(--orange);margin:1.6rem 0;padding:1rem 1.15rem}.prose blockquote p:last-child{margin-bottom:0}.prose table{border-collapse:collapse;background:var(--sheet);border:2px solid var(--ink);width:100%;margin:1.4rem 0;font-size:.92rem;line-height:1.45;display:block;overflow-x:auto}.prose th,.prose td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:.6rem .7rem}.prose th{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;background:var(--paper-deep);font-size:.72rem}.prose td:first-child{font-weight:600}.prose .table-scroll{overflow-x:auto}.prose hr{border:0;border-top:2px dashed var(--line);margin:2.5rem 0}.formula{font-family:var(--font-mono);color:#fff;background:var(--blueprint);border:2px solid var(--ink);margin:1.2rem 0;padding:.9rem 1rem;font-size:.92rem;line-height:1.7;overflow-x:auto}.faq{border-top:2px solid var(--ink);max-width:44rem;margin:0}.faq details{border-bottom:1.5px solid var(--line)}.faq summary{cursor:pointer;justify-content:space-between;align-items:flex-start;gap:1rem;padding:1rem .2rem;font-weight:650;line-height:1.4;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-family:var(--font-mono);color:var(--orange-deep);flex:none;font-size:1.3rem;line-height:1}.faq details[open] summary:after{content:"−"}.faq__a{color:var(--ink-soft);padding:0 .2rem 1.1rem}.faq__a p{margin:0 0 .7rem}.article-layout{gap:2.5rem;padding-bottom:3rem;display:grid}.aside-box{background:var(--sheet);border:2px solid var(--ink);padding:1.1rem}.aside-box h2,.aside-box h3{margin-bottom:.7rem;font-size:1.4rem}.aside-links{gap:.2rem;margin:0;padding:0;list-style:none;display:grid}.aside-links a{border-bottom:1px dotted var(--line);padding:.5rem 0;font-weight:600;text-decoration:none;display:block}.aside-links li:last-child a{border-bottom:0}.disclaimer{color:var(--ink-soft);background:var(--paper-deep);border-left:5px solid var(--orange);margin:0;padding:.8rem 1rem;font-size:.86rem;line-height:1.5}.ad{text-align:center;min-height:7rem;margin:2rem 0}.ad__label{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:.3rem;font-size:.62rem;display:block}.site-footer{color:#c9d3e6;background:var(--ink);border-top:4px solid var(--orange);margin-top:3rem}.site-footer a{color:#fff}.site-footer a:hover{color:var(--yellow)}.footer__grid{gap:2rem;padding-block:2.5rem 1.5rem;display:grid}.footer__brand{font-family:var(--font-display);letter-spacing:.03em;text-transform:uppercase;color:#fff;font-size:1.9rem;font-weight:900;line-height:.95}.footer__about{max-width:24rem;margin:.7rem 0 0;font-size:.9rem}.footer__h{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--yellow);margin:0 0 .7rem;font-size:.7rem;font-weight:600}.footer__links{gap:.15rem;margin:0;padding:0;font-size:.92rem;list-style:none;display:grid}.footer__links a{padding:.25rem 0;text-decoration:none;display:inline-block}.footer__bottom{color:#97a6c2;border-top:1px solid #ffffff2e;gap:.5rem;padding-block:1.1rem 1.6rem;font-size:.8rem;display:grid}.notfound{padding-block:3.5rem}.notfound__code{font-family:var(--font-display);color:#0000;-webkit-text-stroke:3px var(--ink);font-size:clamp(6rem,30vw,14rem);font-weight:900;line-height:.8}@keyframes draw-line{to{stroke-dashoffset:0}}@keyframes draw-bar{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@keyframes fade-in{to{opacity:1}}@keyframes flash{0%{color:#fff}to{color:inherit}}@keyframes rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.rise{animation:rise .6s var(--ease) both}.rise--2{animation-delay:80ms}.rise--3{animation-delay:.16s}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-delay:0s!important}.plan .draw{stroke-dashoffset:0}.plan .fade{opacity:1}}@media (width>=30rem){:root{--gutter:1.25rem}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.cols--3{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width>=48rem){:root{--gutter:2rem}.hero{padding-block:3.5rem 3rem}.hero__grid{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:center;gap:3rem}.points{grid-template-columns:repeat(3,minmax(0,1fr))}.footer__grid{grid-template-columns:1.4fr 1fr 1fr}.footer__bottom{grid-template-columns:1fr auto}.sheet__body{padding:1.5rem}.row--wide{grid-template-columns:repeat(var(--row-cols,4), minmax(0, 1fr))}.section{padding-block:4.5rem}.nav{gap:.15rem 1.6rem}}@media (width>=62rem){.tool-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.tool-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.sheet__body--split{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:2rem}.sheet__body--split .res{position:sticky;top:1rem}.article-layout{grid-template-columns:minmax(0,44rem) minmax(0,1fr);align-items:start;gap:3.5rem}.article-layout aside{position:sticky;top:1.25rem}}@media print{body{color:#000;background:#fff}.site-header,.site-footer,.strip,.no-print,.res__actions,.ad,.row__del,.toast,.skip,[data-add-row]{display:none!important}.sheet,.res{box-shadow:none;border-color:#000}.res{color:#000;background:#fff}.res *,.res__row dt,.res__row dd,.res__big{color:#000!important}[data-calc=rab] .sheet__form{display:none}.sheet__body--split{grid-template-columns:1fr}.sheet__bar{color:#000;background:#fff;border-bottom:2px solid #000}a{color:#000;text-decoration:none}.prose{font-size:11pt}}.toast{visibility:hidden;opacity:0}.toast.is-on{visibility:visible;opacity:1}.res .t-rab{font-size:.72rem}.res .t-rab th,.res .t-rab td{padding:.35rem .4rem}.res .t-rab td:nth-child(2),.res .t-rab th:nth-child(2){text-align:left;white-space:normal;min-width:7rem}@media print{body:has(.sheet) .article-layout,body:has(.sheet) .disclaimer{display:none!important}}