/* Carbonpad — "duplicate book" identity: cream paper, carbon-blue ink, red rubber stamp,
   yellow/pink carbon copies, perforated edges, printed sheet numbers. */
@font-face{font-family:"Big Shoulders";src:url(/assets/fonts/bigshoulders-800.woff2) format("woff2");font-weight:800;font-display:swap}
@font-face{font-family:"Big Shoulders";src:url(/assets/fonts/bigshoulders-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Plex";src:url(/assets/fonts/plex-sans-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex";src:url(/assets/fonts/plex-sans-500.woff2) format("woff2");font-weight:500 700;font-display:swap}
@font-face{font-family:"Courier Prime";src:url(/assets/fonts/courierprime-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Courier Prime";src:url(/assets/fonts/courierprime-700.woff2) format("woff2");font-weight:700;font-display:swap}
:root{--paper:#FBF4E4;--paper2:#F4EAD3;--card:#FFFDF7;--ink:#15171C;--muted:#5A5648;--line:#D9CDB1;--blue:#2338A0;--red:#C42B2B;--yellow:#FFE58A;--pink:#F9CFD3;--green:#0F7A4A;--shadow:#15171C;
--d:"Big Shoulders",Impact,"Arial Narrow",sans-serif;--t:"Plex",ui-sans-serif,"Segoe UI",Roboto,Arial,sans-serif;--m:"Courier Prime","Courier New",monospace;--spring:cubic-bezier(.34,1.56,.64,1)}
:root[data-theme=dark]{--paper:#16171B;--paper2:#1E2026;--card:#22252C;--ink:#F3EBDA;--muted:#B9B19E;--line:#3A3D46;--blue:#9FB0FF;--red:#FF7468;--yellow:#E8C95A;--pink:#5B3A40;--green:#5BD39A;--shadow:#000}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--paper:#16171B;--paper2:#1E2026;--card:#22252C;--ink:#F3EBDA;--muted:#B9B19E;--line:#3A3D46;--blue:#9FB0FF;--red:#FF7468;--yellow:#E8C95A;--pink:#5B3A40;--green:#5BD39A;--shadow:#000}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16.5px/1.6 var(--t)}
a{color:var(--blue);text-underline-offset:3px;text-decoration-thickness:1.5px}
::selection{background:var(--yellow);color:#15171C}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
img{max-width:100%;height:auto}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--card);padding:8px 12px;z-index:99}
.perf{height:14px;background:radial-gradient(circle at 7px 7px,var(--paper2) 3.5px,transparent 4px) 0 0/16px 14px;border-bottom:1.5px dashed var(--line)}
header.top{position:sticky;top:0;z-index:20;background:var(--paper)}
.top .bar{display:flex;align-items:center;gap:14px;min-height:62px}
.brand{display:flex;align-items:center;gap:10px;font:800 28px/1 var(--d);letter-spacing:.01em;color:var(--ink);text-decoration:none;text-transform:uppercase}
.sheetno{font:700 14px var(--m);color:var(--red);letter-spacing:.06em}
.top nav{margin-left:auto;display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.top nav a{color:var(--ink);text-decoration:none;font-weight:500;padding:10px 12px;border-radius:10px;min-height:44px;display:inline-flex;align-items:center}
.top nav a:hover{background:var(--paper2)}
.top nav a[aria-current=page]{text-decoration:underline;text-decoration-color:var(--red);text-decoration-thickness:3px}
.theme{border:1.5px solid var(--line);background:transparent;color:var(--ink);border-radius:999px;width:44px;height:44px;cursor:pointer;display:grid;place-items:center}
.theme svg{width:20px;height:20px}
.btn{--sh:5px;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:12px 22px;border-radius:12px;border:2px solid var(--shadow);background:var(--red);color:#fff;font:700 20px/1 var(--d);letter-spacing:.04em;text-transform:uppercase;text-decoration:none;cursor:pointer;box-shadow:0 var(--sh) 0 var(--shadow);transition:transform .12s,box-shadow .12s;user-select:none;-webkit-tap-highlight-color:transparent}
.btn:hover{transform:translateY(-2px);box-shadow:0 calc(var(--sh) + 2px) 0 var(--shadow)}
.btn:active{transform:translateY(calc(var(--sh) - 1px));box-shadow:0 1px 0 var(--shadow)}
.btn.blue{background:var(--blue)}
:root[data-theme=dark] .btn.blue{color:#111}
.btn.ghost{background:var(--card);color:var(--ink)}
.btn.small{min-height:44px;font-size:17px;padding:8px 14px;--sh:3px}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding:42px 0 64px}
.hero h1{font:800 clamp(52px,8.2vw,112px)/.88 var(--d);letter-spacing:-.01em;text-transform:uppercase;margin:0 0 18px}
.hero h1 .stampword{color:var(--red);display:inline-block;transform:rotate(-3deg);border:6px solid currentColor;border-radius:14px;padding:0 .12em;margin-left:.04em;line-height:.95}
.hero p.lead{font-size:20px;max-width:34em;margin:0 0 26px;color:var(--ink)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.fine{font-size:14.5px;color:var(--muted)}
.pricepill{font:700 15px var(--m);background:var(--yellow);color:#15171C;padding:4px 10px;border-radius:999px;white-space:nowrap}
.pad{position:relative;aspect-ratio:4/5;max-width:440px;width:100%;justify-self:center}
.sheet{position:absolute;inset:0;border-radius:6px;border:1.5px solid var(--line);box-shadow:0 2px 0 rgba(0,0,0,.08)}
.sheet.s3{background:var(--pink);transform:rotate(6deg) translate(14px,10px)}
.sheet.s2{background:var(--yellow);transform:rotate(-4deg) translate(-10px,6px)}
.sheet.s1{background:#FFFDF7;color:#15171C;padding:26px 24px;display:flex;flex-direction:column;gap:10px;border-color:#15171C;box-shadow:0 8px 0 #15171C;transition:transform .45s var(--spring)}
.sheet.s1::before{content:"";position:absolute;left:0;right:0;top:-1px;height:12px;background:radial-gradient(circle at 8px 6px,var(--paper) 3.5px,transparent 4px) 0 0/18px 12px}
.pad:hover .sheet.s1{transform:translateY(-6px) rotate(-.6deg)}
.mini-h{display:flex;justify-content:space-between;align-items:flex-start;margin-top:8px}
.mini-h b{font:800 30px/1 var(--d);text-transform:uppercase;letter-spacing:.02em}
.mini-h span{font:700 13px var(--m);color:#C42B2B}
.mini-row{display:flex;justify-content:space-between;font:400 14px var(--m);border-bottom:1px dashed #cbbf9f;padding:6px 0}
.mini-total{display:flex;justify-content:space-between;font:800 30px/1 var(--d);margin-top:auto;padding-top:10px;border-top:3px solid #15171C}
.rstamp{position:absolute;right:22px;bottom:86px;font:800 54px/1 var(--d);letter-spacing:.06em;color:#C42B2B;border:6px solid #C42B2B;border-radius:12px;padding:4px 14px 2px;transform:rotate(-14deg);opacity:.9;mix-blend-mode:multiply;cursor:pointer;background:none;-webkit-tap-highlight-color:transparent}
.rstamp small{display:block;font:700 12px var(--m);letter-spacing:.08em;text-align:center}
.js .rstamp.thump{animation:thump .5s var(--spring) .5s both}
@keyframes thump{0%{transform:rotate(-14deg) scale(2.4);opacity:0}60%{opacity:.95}100%{transform:rotate(-14deg) scale(1);opacity:.9}}
.sec{padding:56px 0;border-top:1.5px dashed var(--line)}
.sec h2{font:800 clamp(34px,4.6vw,56px)/.95 var(--d);text-transform:uppercase;margin:0 0 14px}
.sec h3{font:700 26px/1.05 var(--d);text-transform:uppercase;margin:0 0 6px;letter-spacing:.02em}
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}
.slip{position:relative;background:var(--card);border:1.5px solid var(--line);border-radius:6px;padding:22px 20px 20px;transform:rotate(var(--tilt,0deg));transition:transform .45s var(--spring)}
.slip:hover{transform:rotate(0) translateY(-6px)}
.slip .no{font:700 13px var(--m);color:var(--red)}
.slip.y{background:color-mix(in srgb,var(--yellow) 55%,var(--card))}
.slip.p{background:color-mix(in srgb,var(--pink) 60%,var(--card))}
.slip svg{width:46px;height:46px;margin-bottom:8px;display:block}
.arrow{font:700 15px var(--m);color:var(--blue)}
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:4px 34px;margin-top:20px;padding:0;list-style:none}
.feat li{padding:14px 0 14px 34px;border-bottom:1.5px solid var(--line);position:relative}
.feat li::before{content:"";position:absolute;left:2px;top:19px;width:18px;height:18px;border:2.5px solid var(--blue);border-radius:4px;transform:rotate(-6deg)}
.feat li::after{content:"";position:absolute;left:7px;top:21px;width:7px;height:12px;border:solid var(--red);border-width:0 3px 3px 0;transform:rotate(38deg)}
.feat b{display:block}
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px;align-items:stretch}
.stub{position:relative;background:var(--card);border:2px solid var(--ink);border-radius:16px;padding:22px 18px 18px;display:flex;flex-direction:column}
.stub.best{box-shadow:0 7px 0 var(--shadow);background:color-mix(in srgb,var(--yellow) 30%,var(--card))}
.stub h3{font:800 34px/1 var(--d);text-transform:uppercase;margin:0}
.stub .amt{font:800 50px/1 var(--d);margin:10px 0 0}
.stub .amt small{font:400 15px var(--t);color:var(--muted)}
.stub .kes{font:700 15px var(--m);color:var(--blue);margin:6px 0 0}
.stub ul{list-style:none;padding:0;margin:14px 0 18px;font-size:15.5px}
.stub li{padding:6px 0 6px 22px;position:relative;border-bottom:1px dashed var(--line)}
.stub li::before{content:"";position:absolute;left:3px;top:13px;width:9px;height:9px;background:var(--red);border-radius:50%}
.stub .tear{margin:auto -18px 14px;border-top:2px dashed var(--line);position:relative}
.stub .tear::before,.stub .tear::after{content:"";position:absolute;top:-11px;width:20px;height:20px;border-radius:50%;background:var(--paper);border:2px solid var(--ink)}
.stub .tear::before{left:-11px;clip-path:inset(0 0 0 50%)}.stub .tear::after{right:-11px;clip-path:inset(0 50% 0 0)}
table.cmp{width:100%;border-collapse:collapse;margin-top:18px;font-size:15.5px}
table.cmp th,table.cmp td{padding:10px 8px;border-bottom:1.5px solid var(--line);text-align:center}
table.cmp th:first-child,table.cmp td:first-child{text-align:left}
table.cmp thead th{font:700 20px var(--d);text-transform:uppercase}
.yes{color:var(--green);font-weight:700}.nope{color:var(--muted)}
.prose{max-width:760px;padding:30px 0 60px}
.prose h1{font:800 clamp(44px,6.6vw,80px)/.9 var(--d);text-transform:uppercase;margin:10px 0 18px}
.prose h2{font:800 32px/1 var(--d);text-transform:uppercase;margin:34px 0 10px}
.prose .answer{background:var(--card);border:2px solid var(--ink);border-radius:18px;padding:20px 22px;box-shadow:0 6px 0 var(--shadow);font-size:18px;margin:6px 0 26px}
.prose .answer p{margin:0 0 12px}
.prose li{margin:6px 0}
.updated{font:700 14px var(--m);color:var(--muted)}
details{border-bottom:1.5px solid var(--line);padding:12px 0}
summary{cursor:pointer;font-weight:500;font-size:17px;min-height:30px}
footer.back{background:#1B1D22;color:#EDE4D0;margin-top:40px}
footer.back .perf{background:radial-gradient(circle at 7px 7px,var(--paper) 3.5px,transparent 4px) 0 0/16px 14px;border:0}
footer.back .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:26px;padding:36px 20px 26px}
footer.back a{color:#EDE4D0;text-decoration:none;display:block;padding:5px 0}
footer.back a:hover{text-decoration:underline}
footer.back h4{font:700 18px var(--d);text-transform:uppercase;letter-spacing:.05em;margin:0 0 8px;color:#FFE58A}
footer.back .brand{color:#EDE4D0}
footer.back small{color:#B7AE99}
.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,160%);background:var(--ink);color:var(--paper);padding:12px 18px;border-radius:12px;font-weight:500;z-index:100;transition:transform .35s var(--spring);max-width:92vw}
.toast.on{transform:translate(-50%,0)}
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .6s,transform .6s}
.js .rv.in{opacity:1;transform:none}
@media (max-width:960px){.tiers{grid-template-columns:repeat(2,1fr)}footer.back .cols{grid-template-columns:1fr 1fr}}
@media (max-width:820px){.hero{grid-template-columns:1fr;padding-top:20px;gap:26px}.flow{grid-template-columns:1fr}.top nav a.hide-s{display:none}.pad{max-width:330px}}
@media (max-width:560px){.tiers{grid-template-columns:1fr}.sheetno{display:none}table.cmp{font-size:13.5px}table.cmp th,table.cmp td{padding:8px 4px}.brand{font-size:24px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.js .rv{opacity:1;transform:none}}
@media print{header.top,footer.back,.no-print{display:none!important}}
main{overflow-x:clip}
.top nav{flex-wrap:nowrap}
@media (max-width:560px){.top .bar{gap:8px}.top nav a{padding:8px 8px;font-size:15px}.top nav a:not(:first-child):not([href="/pricing/"]){display:none}.brand img{width:28px;height:28px}.brand{font-size:22px}}
@media (max-width:360px){.top nav a[href="/pricing/"]{display:none}}
.top nav a{white-space:nowrap}
:root[data-theme=dark] .stub.best{background:#2A2C33;border-color:var(--yellow)}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .stub.best{background:#2A2C33;border-color:var(--yellow)}}
.toast:empty{visibility:hidden}
.ansgrid{display:grid;grid-template-columns:minmax(0,760px) minmax(0,1fr);gap:48px;align-items:start}
.ansart{position:sticky;top:120px;margin-top:70px;max-width:340px}
@media (max-width:980px){.ansgrid{grid-template-columns:1fr}.ansart{display:none}}

/* related-tools strip — added 12 Nov 2026 for the tool network */
nav.related-tools{margin-top:1.25rem;padding-top:1.1rem;border-top:1px solid color-mix(in srgb, currentColor 35%, transparent)}
nav.related-tools .related-tools-h{margin:0 0 .55rem;font-weight:650;letter-spacing:.01em}
nav.related-tools ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.45rem 1.35rem}
nav.related-tools li{margin:0}
nav.related-tools a{text-decoration:underline;text-underline-offset:3px}
nav.related-tools .rt-tag{opacity:.8}