/* ============================================================
   Shopify Cost — shared calculator design system
   Black & white premium. Used by every calculator page.
   ============================================================ */
:root{
  --bg:#ffffff;--ink:#111111;--ink-2:#555555;--line:#e5e5e5;--card:#f8f8f8;--result:#f1f1f1;
  --black:#111111;--radius:14px;--maxw:1160px;
  --display:"Space Grotesk", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --body:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:var(--ink);text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.1;letter-spacing:-.02em;margin:0}
p{margin:0 0 1em}
.num{font-family:var(--display);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* top bar */
.topbar{border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(10px)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{font-family:var(--display);font-weight:700;font-size:21px;letter-spacing:-.025em;display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand .dot{width:12px;height:12px;background:var(--black);border-radius:3px;display:inline-block}
.brand small{font-weight:400;color:var(--ink-2);font-size:12px;letter-spacing:.02em}
.topbar nav{display:flex;gap:32px;align-items:center}
.topbar nav a{font-family:var(--display);font-size:15.5px;font-weight:500;color:var(--ink);position:relative;padding:6px 0;transition:color .15s}
.topbar nav a:not(.talk)::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--ink);transition:width .22s ease}
.topbar nav a:not(.talk):hover::after{width:100%}
.topbar nav a:hover{color:var(--ink)}
.topbar .talk{font-size:15px;font-weight:600;color:#fff;background:var(--black);padding:11px 20px;border-radius:9px}
.topbar .talk:hover{color:#fff;background:#000;box-shadow:0 8px 20px -10px rgba(0,0,0,.55)}
@media(max-width:820px){.topbar nav a:not(.talk){display:none}.topbar .wrap{height:62px}.brand{font-size:18px}}

/* breadcrumb */
.crumbs{font-size:13px;color:var(--ink-2);padding:18px 0 0}
.crumbs a{color:var(--ink-2)}.crumbs a:hover{color:var(--ink)}
.crumbs span{margin:0 8px;color:#bbb}

/* hero */
.hero{padding:14px 0 6px;text-align:center}
.eyebrow{font-family:var(--display);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);margin-bottom:12px}
.hero h1{font-size:clamp(30px,4.8vw,52px);max-width:none;margin:0 auto;letter-spacing:-.025em;line-height:1.05}
.hero .lede{font-size:clamp(15.5px,1.7vw,18px);color:var(--ink-2);max-width:780px;margin:12px auto 0}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;justify-content:center}
.btn{font-family:var(--display);font-weight:600;font-size:15px;border-radius:10px;padding:14px 22px;cursor:pointer;border:1px solid var(--black);transition:transform .14s ease,background .14s ease,color .14s ease,box-shadow .14s ease;display:inline-flex;align-items:center;gap:9px}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--black);color:#fff}
.btn-primary:hover{background:#000;color:#fff;box-shadow:0 10px 24px -10px rgba(0,0,0,.5)}
.btn-secondary{background:#fff;color:var(--ink)}
.btn-secondary:hover{background:#f1f1f1;color:var(--ink)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink);font-weight:500}
.btn-ghost:hover{background:#f1f1f1;color:var(--ink);border-color:var(--ink)}
.trustline{margin-top:12px;font-size:13.5px;color:var(--ink-2);display:flex;align-items:center;justify-content:center;gap:10px;max-width:72ch;margin-left:auto;margin-right:auto;flex-wrap:wrap}
.trustline .bar{width:26px;height:1px;background:var(--ink)}

/* quick answer */
.qa{margin:20px 0 10px;border:1px solid var(--line);border-radius:16px;background:#fff;padding:22px 28px 22px 30px;position:relative;display:grid;gap:13px;box-shadow:0 1px 0 rgba(0,0,0,.02)}
.qa::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--ink);border-radius:0 3px 3px 0}
.qa-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.qa .badge{display:inline-flex;align-items:center;gap:7px;background:var(--ink);color:#fff;font-family:var(--display);font-size:11px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;padding:6px 13px;border-radius:30px}
.qa .badge .d{width:6px;height:6px;border-radius:50%;background:#fff}
.qa .qa-sub{font-family:var(--display);font-size:13px;color:var(--ink-2)}
.qa p{margin:0;color:var(--ink);font-size:16px;line-height:1.6;max-width:90ch}

/* calculator */
.calc-section{padding:30px 0 10px}
.section-head{margin-bottom:22px}
.section-head h2{font-size:clamp(24px,3.4vw,34px)}
.section-head p{color:var(--ink-2);margin-top:10px;max-width:60ch}
.calc-layout{display:grid;grid-template-columns:1.32fr 1fr;gap:20px;align-items:start}
@media(max-width:900px){.calc-layout{grid-template-columns:1fr}}
.calc-card{border:1px solid var(--line);border-radius:18px;overflow:visible;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.02)}
.calc-card:has(#comparePanel.on) .inputs{border-bottom-left-radius:0;border-bottom-right-radius:0}
.progress{height:4px;background:var(--line);border-radius:18px 18px 0 0}
.progress .fill{height:100%;background:var(--black);width:0;transition:width .5s cubic-bezier(.4,0,.2,1)}
.inputs{padding:30px 30px 34px;border-bottom-left-radius:18px;border-bottom-right-radius:18px}
@media(max-width:900px){.inputs{padding:24px}}
.fieldset{padding:22px 0;border-bottom:1px solid var(--line)}
.fieldset:first-child{padding-top:4px}
.fieldset:last-child{border-bottom:none;padding-bottom:4px}
.flabel{font-family:var(--display);font-weight:600;font-size:14px;color:var(--ink);display:flex;align-items:center;gap:9px;margin-bottom:14px;padding:0}
.flabel .idx{font-size:11px;color:var(--ink-2);border:1px solid var(--line);border-radius:5px;padding:1px 6px}
.hint{font-size:12.5px;color:var(--ink-2);font-weight:400}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:520px){.opts{grid-template-columns:1fr}}
.opt{position:relative;border:1px solid var(--line);border-radius:10px;padding:13px 14px;cursor:pointer;transition:border-color .14s ease,background .14s ease,box-shadow .14s ease;background:#fff}
.opt:hover{border-color:#c8c8c8}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt .t{font-weight:600;font-size:14px;font-family:var(--display);display:block}
.opt .d{font-size:12px;color:var(--ink-2);margin-top:2px;display:block}
.opt[data-checked="true"]{border-color:var(--ink);background:var(--card);box-shadow:inset 0 0 0 1px var(--ink)}
.opt .check{position:absolute;top:11px;right:11px;width:16px;height:16px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center}
.opt[data-checked="true"] .check{background:var(--ink);border-color:var(--ink)}
.opt .check svg{width:9px;height:9px;opacity:0}
.opt[data-checked="true"] .check svg{opacity:1}
.opt.box .check{border-radius:4px}
select,input[type=number]{width:100%;font-family:var(--body);font-size:14.5px;color:var(--ink);border:1px solid var(--line);border-radius:9px;padding:12px 13px;background:#fff;appearance:none}
select:focus,input:focus,.opt:focus-visible,.btn:focus-visible,a:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.select-wrap{position:relative}
.select-wrap::after{content:"";position:absolute;right:14px;top:50%;width:8px;height:8px;border-right:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);transform:translateY(-65%) rotate(45deg);pointer-events:none}
.numwrap{position:relative}
.numwrap .unit{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--ink-2);font-size:14px;pointer-events:none}
.numwrap input{padding-left:26px}
.numwrap.pct .unit{left:auto;right:32px}
.numwrap.pct input{padding-left:13px}

.compare-row{display:flex;align-items:center;gap:10px;margin-top:6px}
.switch{position:relative;width:42px;height:24px;background:var(--line);border-radius:30px;cursor:pointer;transition:background .2s;flex:none;border:none}
.switch[aria-checked="true"]{background:var(--ink)}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;background:#fff;border-radius:50%;transition:left .2s}
.switch[aria-checked="true"]::after{left:21px}

/* result */
.result{padding:30px;background:var(--card);position:sticky;top:78px;align-self:start;border:1px solid var(--line);border-radius:18px}
.result-sticky{position:static}
@media(max-width:900px){.result{position:static}}
.r-label{font-family:var(--display);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
.r-figure{margin:6px 0 2px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.r-figure .big{font-family:var(--display);font-weight:700;font-size:clamp(30px,4.4vw,42px);letter-spacing:-.03em;line-height:1}
.r-figure .to{color:var(--ink-2);font-size:18px;font-family:var(--display)}
.r-sub{font-size:13px;color:var(--ink-2)}
.live{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--ink-2);margin-bottom:14px}
.live .pulse{width:7px;height:7px;border-radius:50%;background:var(--ink);position:relative}
.live .pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid var(--ink);opacity:.4;animation:ring 1.8s ease-out infinite}
@keyframes ring{0%{transform:scale(.7);opacity:.5}100%{transform:scale(1.9);opacity:0}}
.r-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-top:16px}
.meter{height:8px;background:var(--line);border-radius:6px;overflow:hidden;margin:9px 0 6px}
.meter .mfill{height:100%;background:var(--ink);width:0;transition:width .5s cubic-bezier(.4,0,.2,1)}
.r-line{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:9px 0;border-top:1px solid var(--line);font-size:14px}
.r-line:first-child{border-top:none}
.r-line .k{color:var(--ink-2)}
.r-line .v{font-family:var(--display);font-weight:600;text-align:right}
.pkg{margin-top:16px;border:1px solid var(--ink);border-radius:12px;padding:14px 16px;background:#fff}
.pkg .pk-l{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);font-family:var(--display)}
.pkg .pk-v{font-family:var(--display);font-weight:700;font-size:18px;margin-top:2px}
.pkg .pk-d{font-size:12.5px;color:var(--ink-2);margin-top:3px}
.r-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:18px}
.r-actions .btn{padding:12px 14px;font-size:13.5px;justify-content:center}
.r-actions .full{grid-column:1/-1}
.mini{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.mini button,.mini a{font-size:12.5px;color:var(--ink-2);border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 11px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;font-family:var(--body);transition:border-color .14s,color .14s}
.mini button:hover,.mini a:hover{border-color:var(--ink);color:var(--ink)}
.mini svg{width:14px;height:14px}
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;font-size:13.5px;padding:11px 18px;border-radius:10px;opacity:0;pointer-events:none;transition:all .25s;z-index:90}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#comparePanel{display:none;border-top:1px solid var(--line);padding:20px 30px 26px;background:#fff;border-radius:0 0 18px 18px}
#comparePanel.on{display:block}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.cmp{grid-template-columns:1fr}}
.cmp .col{border:1px solid var(--line);border-radius:12px;padding:16px}
.cmp .col h4{font-family:var(--display);font-size:14px;margin:0 0 8px}
.cmp .col .cbig{font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:-.02em}

/* lead */
.lead{margin:36px 0 8px;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.lead-grid{display:grid;grid-template-columns:.9fr 1.1fr}
@media(max-width:860px){.lead-grid{grid-template-columns:1fr}}
.lead-l{background:var(--black);color:#fff;padding:34px 32px}
.lead-l h3{color:#fff;font-size:24px}
.lead-l p{color:#cfcfcf;font-size:14.5px;margin-top:12px}
.lead-l ul{list-style:none;padding:0;margin:20px 0 0}
.lead-l li{font-size:14px;color:#e6e6e6;padding:8px 0 8px 26px;position:relative}
.lead-l li::before{content:"";position:absolute;left:0;top:14px;width:13px;height:8px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
.lead-r{padding:30px 32px;background:#fff}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:520px){.frow{grid-template-columns:1fr}}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;font-family:var(--display);margin-bottom:6px}
.field input,.field select{padding:11px 12px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--ink-2);margin:6px 0 16px}
.consent input{margin-top:3px;width:16px;height:16px;flex:none}
.lead-success{display:none;padding:30px 32px;text-align:center}
.lead-success.on{display:block}
.lead-success .ok{width:52px;height:52px;border-radius:50%;background:var(--black);margin:0 auto 14px;display:flex;align-items:center;justify-content:center}
.lead-success .ok svg{width:22px;height:22px}

/* rating */
.rate{margin:34px 0 8px;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.stars{display:flex;gap:5px}
.stars button{background:none;border:none;cursor:pointer;padding:2px;line-height:0}
.stars svg{width:26px;height:26px}
.stars .s-off{fill:none;stroke:var(--ink);stroke-width:1.4}
.stars .s-on{fill:var(--ink);stroke:var(--ink)}
.rate-meta{font-size:13.5px;color:var(--ink-2)}
.rate-meta b{color:var(--ink);font-family:var(--display)}
.rate-fb{display:none;width:100%;margin-top:6px}
.rate-fb.on{display:block}
.rate-fb textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;font-family:var(--body);font-size:14px;min-height:64px;resize:vertical}

/* content + sticky TOC */
.content{padding:40px 0 10px;display:grid;grid-template-columns:200px 1fr;gap:48px;align-items:start}
@media(max-width:900px){.content{grid-template-columns:1fr;gap:0}}
.toc{position:sticky;top:84px}
.toc .tl{font-family:var(--display);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);margin-bottom:12px}
.toc a{display:block;color:var(--ink-2);font-size:13.5px;padding:7px 0 7px 14px;border-left:2px solid var(--line);margin-left:-2px;transition:color .14s,border-color .14s}
.toc a:hover{color:var(--ink);border-left-color:var(--ink)}
.toc a.active{color:var(--ink);border-left-color:var(--ink);font-weight:600}
@media(max-width:900px){.toc{display:none}}
.article{min-width:0}
.article>.defbox:first-child{margin-top:0}
.article p,.article>ul{max-width:74ch}
.content h2{font-size:clamp(23px,3.2vw,30px);margin:42px 0 14px}
.content h3{font-size:18px;margin:26px 0 8px}
.content p{color:#2a2a2a}
.content ul{padding-left:0;list-style:none;margin:14px 0}
.content ul li{position:relative;padding:7px 0 7px 24px;color:#2a2a2a}
.content ul li::before{content:"";position:absolute;left:2px;top:16px;width:8px;height:8px;border-right:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);transform:rotate(-45deg)}
.defbox,.keybox,.formulabox{border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:18px 0;background:var(--card)}
.defbox .tag,.keybox .tag,.formulabox .tag{font-family:var(--display);font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-2);display:block;margin-bottom:7px}
.formulabox code{font-family:var(--display);font-weight:600;font-size:14.5px;color:var(--ink);display:block;line-height:1.7}
.factors{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}
@media(max-width:640px){.factors{grid-template-columns:1fr}}
.factor{border:1px solid var(--line);border-radius:11px;padding:15px 16px}
.factor h3{margin:0 0 5px;font-size:15px}
.factor p{font-size:13.5px;color:var(--ink-2);margin:0}
.faq{border-top:1px solid var(--line);margin-top:14px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;font-family:var(--display);font-weight:600;font-size:16px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:16px;font-size:22px;font-weight:400;color:var(--ink-2)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{padding:0 0 18px;color:#2a2a2a;font-size:14.5px;margin:0;max-width:74ch}

/* related + cta + footer */
.related{padding:30px 0}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}
@media(max-width:760px){.rel-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.rel-grid{grid-template-columns:1fr}}
.rel-card{border:1px solid var(--line);border-radius:12px;padding:16px;transition:border-color .14s,transform .14s;display:block}
.rel-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.rel-card .k{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);font-family:var(--display)}
.rel-card .t{font-family:var(--display);font-weight:600;font-size:15px;margin-top:6px;display:block}
.rel-card .a{font-size:13px;color:var(--ink-2);margin-top:4px}
.finalcta{margin:30px 0;background:var(--black);color:#fff;border-radius:18px;padding:42px 36px;text-align:center}
.finalcta h2{color:#fff;font-size:clamp(24px,3.4vw,34px)}
.finalcta p{color:#cfcfcf;max-width:52ch;margin:14px auto 24px}
.finalcta .btn-primary{background:#fff;color:var(--ink);border-color:#fff}
.finalcta .btn-primary:hover{background:#e9e9e9;color:#000}
.finalcta .btn-secondary{background:transparent;color:#fff;border-color:#666}
.finalcta .btn-secondary:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
footer{border-top:1px solid var(--line);padding:40px 0;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr}}
footer h4{font-family:var(--display);font-size:13px;letter-spacing:.06em;margin-bottom:12px}
footer a{display:block;color:var(--ink-2);font-size:14px;padding:4px 0}
footer a:hover{color:var(--ink)}
.foot-legal{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-2);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* hub index */
.hub{padding:18px 0 10px}
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
@media(max-width:860px){.hub-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.hub-grid{grid-template-columns:1fr}}
.hub-card{border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:8px;transition:border-color .14s,transform .14s;background:#fff}
.hub-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.hub-card .tier{font-family:var(--display);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.hub-card h3{font-size:18px}
.hub-card p{font-size:13.5px;color:var(--ink-2);margin:0;flex:1}
.hub-card .go{font-family:var(--display);font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:6px;margin-top:4px}
.hub-card.soon{opacity:.62}
.hub-card.soon .go{color:var(--ink-2)}
.pill{display:inline-block;font-family:var(--display);font-size:10px;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line);border-radius:20px;padding:3px 9px;color:var(--ink-2);width:fit-content}

@media (prefers-reduced-motion: reduce){*{animation:none !important;transition:none !important;scroll-behavior:auto !important}}

/* ---------- rating thank-you popup ---------- */
.rate-thanks{margin-top:12px;display:inline-block;opacity:0;transform:translateY(6px);transition:opacity .25s ease,transform .25s ease;background:var(--ink);color:#fff;font-family:var(--display);font-weight:600;font-size:13px;padding:9px 15px;border-radius:9px;pointer-events:none;box-shadow:0 8px 22px -12px rgba(0,0,0,.5)}
.rate-thanks.on{opacity:1;transform:translateY(0)}

/* ============ MOBILE LAYOUT (phones) — does not affect desktop ============ */
@media(max-width:600px){
  .wrap{padding-left:16px;padding-right:16px}
  /* top bar: keep brand + Talk button tidy on one line */
  .topbar .wrap{height:58px}
  .brand{font-size:16px;gap:7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:1 1 auto}
  .brand .dot{width:10px;height:10px;flex:none}
  .topbar nav{gap:0;flex:none}
  .topbar .talk{font-size:13px;font-weight:600;padding:9px 14px;white-space:nowrap;flex:none}
  /* hero: tighter */
  .hero{padding:8px 0 2px}
  .hero h1{font-size:clamp(23px,7vw,30px);line-height:1.08}
  .hero .lede{font-size:14.5px;margin-top:8px}
  .hero-cta{margin-top:14px;gap:8px}
  .hero-cta .btn{flex:1 1 auto;justify-content:center;padding:12px 14px}
  /* calculator: much more compact so it isn't 3 screens tall */
  .calc-layout{gap:14px}
  .inputs{padding:16px !important}
  .fieldset{padding:14px 0}
  .fieldset:first-child{padding-top:2px}
  .opts{grid-template-columns:1fr 1fr;gap:8px}        /* 2 across = half the height */
  .opt{padding:10px 30px 10px 11px}
  .opt .t{font-size:13px}
  .opt .d{font-size:11px;margin-top:1px}
  .opt .check{top:9px;right:9px;width:15px;height:15px}
  .result{padding:18px}
  .field input,.field select,.numwrap input,select,input[type=number]{font-size:16px}  /* avoid iOS zoom */
  /* rating: bigger tap targets */
  .rate{padding:18px 16px;gap:14px}
  .stars{gap:8px}
  .stars svg{width:32px;height:32px}
  .stars button{padding:5px}
  .rate-meta{font-size:13px;width:100%}
}
@media(max-width:380px){
  .brand{font-size:14.5px}
  .topbar .talk{font-size:12px;padding:8px 11px}
  .opts{grid-template-columns:1fr}                    /* very small phones: single column */
}

/* ============================================================================
   NEOBRUTALIST  ·  BLACK & WHITE SKIN  (overrides above via cascade order)
   Thick borders · hard offset shadows · press buttons · pill badges ·
   squiggle underlines · doodles · reveal-on-scroll · stacking cards
   ============================================================================ */
:root{
  --nb-ink:#111111; --nb-bg:#f4f4f1; --nb-card:#ffffff; --nb-sh:#111111;
  --nb-g1:#eeede9; --nb-g2:#e3e2dc; --nb-g3:#111111;
}
html,body{background:var(--nb-bg);color:var(--nb-ink)}
.serif-i{font-family:'Newsreader',Georgia,serif;font-style:italic;font-weight:500}

/* ---------- badges / pills ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);
  font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:none;color:var(--nb-ink);
  background:#fff;border:2px solid var(--nb-ink);border-radius:999px;padding:7px 15px;
  box-shadow:3px 3px 0 var(--nb-sh);transform:rotate(-1deg);margin-bottom:18px}
.eyebrow::before{content:"";width:9px;height:9px;border-radius:999px;background:var(--nb-ink);display:inline-block}
.badge{display:inline-flex;align-items:center;gap:8px;border:2px solid var(--nb-ink);background:#fff;
  color:var(--nb-ink);border-radius:999px;padding:5px 13px;font-weight:700;font-size:11.5px;
  box-shadow:2px 2px 0 var(--nb-sh)}
.badge .d{width:7px;height:7px;background:var(--nb-ink);border-radius:999px}
.tag{display:inline-block;border:2px solid var(--nb-ink);background:#fff;border-radius:8px;
  padding:4px 10px;font-weight:700;font-size:11px;box-shadow:2px 2px 0 var(--nb-sh);color:var(--nb-ink)}

/* ---------- buttons: hard-shadow press ---------- */
.btn{border:2px solid var(--nb-ink);border-radius:11px;font-weight:700;
  box-shadow:3px 4px 0 var(--nb-sh);transition:transform .11s ease,box-shadow .11s ease}
.btn:hover{transform:translate(1.5px,2px);box-shadow:1px 1px 0 var(--nb-sh)}
.btn-primary{background:var(--nb-ink);color:#fff}
.btn-primary:hover{background:#000;color:#fff}
.btn-secondary,.btn-ghost{background:#fff;color:var(--nb-ink)}
.btn-secondary:hover,.btn-ghost:hover{background:#fff;color:var(--nb-ink)}

/* ---------- top bar ---------- */
.topbar{background:var(--nb-bg);border-bottom:2px solid var(--nb-ink);backdrop-filter:none}
.topbar .talk{border:2px solid var(--nb-ink);background:var(--nb-ink);color:#fff;border-radius:10px;
  box-shadow:3px 3px 0 var(--nb-sh)}
.topbar .talk:hover{transform:translate(1.5px,2px);box-shadow:1px 1px 0 var(--nb-sh);background:#000;color:#fff}
.crumbs a{font-weight:600}

/* ---------- cards: 2px border + hard shadow ---------- */
.calc-card,.result,.hub-card,.rel-card,.factor,.faq,.pkg,
.lead,.lead-success,.cmp,.qa,.compare-row,.r-box{
  border:2px solid var(--nb-ink) !important;border-radius:16px;background:var(--nb-card);
  box-shadow:5px 6px 0 var(--nb-sh)}
.defbox,.keybox,.formulabox{border:2px solid var(--nb-ink);border-radius:14px;
  box-shadow:3px 4px 0 var(--nb-sh);background:#fff;max-width:74ch}
.formulabox{overflow-x:auto}
.toc{border:none !important;box-shadow:none !important;background:transparent}
.hub-card{padding:22px;transition:transform .13s ease,box-shadow .13s ease}
.hub-card:hover,.rel-card:hover{transform:translate(-1px,-2px);box-shadow:7px 9px 0 var(--nb-sh)}
.hub-card .tier{display:inline-block;align-self:flex-start;border:2px solid var(--nb-ink);background:#fff;
  color:var(--nb-ink);border-radius:999px;padding:3px 10px;font-size:10px;font-weight:800;
  letter-spacing:.06em;text-transform:uppercase;box-shadow:2px 2px 0 var(--nb-sh)}
.hub-card .go{font-weight:800}
.hub-card:nth-child(3n+2){background:var(--nb-g1)}
.hub-card:nth-child(4n+3){background:var(--nb-g2)}

/* ---------- option pills ---------- */
.opt{border:2px solid var(--nb-ink);border-radius:12px;box-shadow:2px 3px 0 var(--nb-sh);background:#fff;
  transition:transform .1s ease,box-shadow .1s ease}
.opt:hover{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--nb-sh);border-color:var(--nb-ink)}
.opt[data-checked="true"]{background:var(--nb-ink);box-shadow:2px 3px 0 var(--nb-sh)}
.opt[data-checked="true"] .t{color:#fff}
.opt[data-checked="true"] .d{color:#cfcfcf}
.opt[data-checked="true"] .check{background:#fff;border-color:#fff}
.opt[data-checked="true"] .check svg path{stroke:#111}

/* ---------- inputs ---------- */
.field input,.numwrap input,select,textarea,.numwrap{border:2px solid var(--nb-ink)!important;border-radius:10px}
.numwrap{box-shadow:2px 2px 0 var(--nb-sh)}
.field input,select,textarea{box-shadow:2px 2px 0 var(--nb-sh)}

/* ---------- result figure ---------- */
.r-figure .big{font-size:clamp(34px,4.8vw,48px)}
.r-label{font-weight:800;text-transform:uppercase;letter-spacing:.08em}

/* ---------- final CTA: black block ---------- */
.finalcta{background:var(--nb-ink)!important;color:#fff;border:2px solid var(--nb-ink);border-radius:22px;
  box-shadow:7px 9px 0 var(--nb-sh)}
.finalcta h2,.finalcta p{color:#fff}
.finalcta .btn-primary{background:#fff;color:var(--nb-ink);border-color:#fff}
.finalcta .btn-primary:hover{background:#fff;color:#000}
.finalcta .btn-secondary{background:transparent;color:#fff;border-color:#fff}
.finalcta .btn-secondary:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- section heads ---------- */
.section-head h2{font-size:clamp(26px,3.6vw,38px);letter-spacing:-.02em}

/* ---------- squiggle underline ---------- */
.squig-wrap{position:relative;display:inline-block}
.squig{position:absolute;left:-2%;right:-2%;bottom:-.34em;width:104%;height:.42em;pointer-events:none}
.hero .accent-squig{display:block;margin:14px auto 0;width:132px;height:14px}

/* ---------- doodles ---------- */
.doodle{position:absolute;pointer-events:none;opacity:.5;z-index:0}
.hero,.hub,.finalcta,.stack-wrap,section{position:relative}
.hero>*{position:relative;z-index:1}

/* ---------- reveal on scroll ---------- */
html.reveal-on .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s cubic-bezier(.22,1,.36,1),transform .6s cubic-bezier(.22,1,.36,1)}
html.reveal-on .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){html.reveal-on .reveal{opacity:1;transform:none;transition:none}}

/* ---------- stacking cards (scroll effect) ---------- */
.stack-wrap{max-width:960px;margin:0 auto}
.stack{display:flex;flex-direction:column;gap:8vh;padding-bottom:12vh}
.stack-card{position:sticky;top:96px;border:2px solid var(--nb-ink);border-radius:22px;
  background:#fff;box-shadow:6px 8px 0 var(--nb-sh);padding:34px;transition:transform .4s ease}
.stack-card:hover{transform:rotate(0deg)!important}
.stack-card .num{font-family:var(--display);font-weight:700;font-size:clamp(46px,7vw,80px);line-height:1;letter-spacing:-.04em}
.stack-card h3{font-size:clamp(22px,3vw,30px);letter-spacing:-.02em;margin-top:4px}
.stack-card p{color:var(--ink-2);margin-top:12px;font-size:15.5px;max-width:56ch}
.stack-card .chapmark{font-family:'Newsreader',serif;font-style:italic;color:var(--ink-2);font-size:13px}
.stack-grid{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start}
@media(max-width:640px){.stack-grid{grid-template-columns:1fr;gap:10px}.stack-card{padding:22px;top:80px}}

/* card colour variety in B&W (grayscale blocks) */
.stack-card.k1{background:#fff}
.stack-card.k2{background:var(--nb-g1)}
.stack-card.k3{background:var(--nb-g2)}
.stack-card.k4{background:var(--nb-ink);color:#fff}
.stack-card.k4 p{color:#cfcfcf}.stack-card.k4 .chapmark{color:#bbb}
.stack-card.k5{background:#fff}

/* wag/psst style rotated sticky notes */
.stickynote{display:inline-block;border:2px solid var(--nb-ink);background:#fff;border-radius:8px;
  padding:5px 12px;font-family:'Newsreader',serif;font-style:italic;font-size:12px;
  box-shadow:2px 2px 0 var(--nb-sh)}

/* ============================================================================
   CALCULATOR-PAGE POLISH  ·  targeted fixes (overrides skin via cascade order)
   ============================================================================ */

/* (1) eyebrow badge: tilted by default, straightens on hover */
.eyebrow{transition:transform .18s ease,box-shadow .18s ease}
.eyebrow:hover{transform:rotate(0);box-shadow:4px 4px 0 var(--nb-sh)}

/* (3) Key takeaways: tilted card that squares up on hover */
.keybox{transform:rotate(-1.4deg);transition:transform .2s ease,box-shadow .2s ease;max-width:none}
.keybox:hover{transform:rotate(0);box-shadow:6px 8px 0 var(--nb-sh)}
.keybox ul{margin:0;padding:0;list-style:none}
.keybox li{position:relative;padding:8px 0 8px 26px;font-size:14.5px;line-height:1.5}
.keybox li::before{content:"";position:absolute;left:2px;top:13px;width:9px;height:9px;
  background:var(--nb-ink);border-radius:2px;transform:rotate(45deg)}

/* (5) Keep planning cards: tilted, square on hover (alternating tilt) */
.rel-card{transform:rotate(-1.2deg);transition:transform .18s ease,box-shadow .18s ease}
.rel-card:nth-child(2n){transform:rotate(1.3deg)}
.rel-card:nth-child(3n){transform:rotate(-.6deg)}
.rel-card:hover{transform:rotate(0) !important;box-shadow:7px 9px 0 var(--nb-sh)}

/* (4) FAQ: open cards, spacing, clear +/- toggle */
.faq{border-top:none;margin-top:18px;display:flex;flex-direction:column;gap:14px;max-width:840px}
.faq details{border:2px solid var(--nb-ink);border-radius:14px;box-shadow:3px 4px 0 var(--nb-sh);
  background:#fff;overflow:hidden;transition:box-shadow .18s ease,transform .18s ease}
.faq details[open]{box-shadow:5px 6px 0 var(--nb-sh)}
.faq details:hover{transform:translate(-1px,-1px)}
.faq summary{cursor:pointer;list-style:none;padding:16px 54px 16px 20px;font-family:var(--display);
  font-weight:700;font-size:15.5px;line-height:1.4;position:relative;background:#fff;color:var(--nb-ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:16px;top:50%;width:24px;height:24px;
  border:2px solid var(--nb-ink);border-radius:7px;transform:translateY(-50%);background:#fff;
  box-shadow:2px 2px 0 var(--nb-sh)}
.faq summary::before{content:"";position:absolute;right:16px;top:50%;width:24px;height:24px;z-index:1;
  transform:translateY(-50%);
  background:linear-gradient(var(--nb-ink),var(--nb-ink)) center/11px 2.6px no-repeat,
             linear-gradient(var(--nb-ink),var(--nb-ink)) center/2.6px 11px no-repeat}
.faq details[open] summary::before{background:linear-gradient(var(--nb-ink),var(--nb-ink)) center/11px 2.6px no-repeat}
.faq details[open] summary{border-bottom:2px solid var(--nb-ink)}
.faq .faq-a{padding:15px 20px 17px;background:#fcfcfb}
.faq .faq-a p{margin:0;color:#2a2a2a;font-size:14.5px;line-height:1.65;max-width:none}

/* (2 & 7) Your input summary: attractive full-width grid card */
.summary-box{border:2px solid var(--nb-ink);border-radius:16px;box-shadow:5px 6px 0 var(--nb-sh);
  background:#fff;padding:18px 22px 12px;margin-top:22px}
.summary-box>.tag{font-family:var(--display);font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--ink-2);display:block;margin-bottom:8px}
.sum-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:0 30px}
.sum-grid .r-line{border-top:1px dashed #dcdcd7}
.sum-grid .r-line .k{color:var(--ink-2)}
.sum-grid .r-line .v{font-family:var(--display);font-weight:700}

/* (6) Compare toggle row + scenario cards */
.compare-row{margin-top:16px;border:2px solid var(--nb-ink);border-radius:12px;box-shadow:3px 3px 0 var(--nb-sh);
  padding:12px 14px;display:flex;align-items:center;gap:12px;background:#fff}
#comparePanel{display:none;border:none;background:transparent;padding:0;border-radius:0}
#comparePanel.on{display:block;margin-top:22px}
.cmp-head{margin-bottom:12px}
.cmp{max-width:840px;grid-template-columns:1fr 1fr;gap:16px}
.cmp .col{border:2px solid var(--nb-ink) !important;border-radius:16px;box-shadow:5px 6px 0 var(--nb-sh);
  background:#fff;padding:20px}
.cmp .col:nth-child(2){background:var(--nb-g1)}
.cmp .col h4{font-family:var(--display);font-weight:700;font-size:14px;margin:0 0 8px}
.cmp .col .cbig{font-size:26px}

/* (8) attractive select dropdowns — black arrow tab */
.select-wrap{position:relative}
.select-wrap select{padding-right:52px !important}
.select-wrap::after{content:"";position:absolute;right:0;top:0;bottom:0;width:40px;background:var(--nb-ink);
  border-top-right-radius:8px;border-bottom-right-radius:8px;pointer-events:none;
  transform:none;border-left:2px solid var(--nb-ink)}
.select-wrap::before{content:"";position:absolute;right:14px;top:50%;width:9px;height:9px;z-index:2;
  border-right:2.5px solid #fff;border-bottom:2.5px solid #fff;transform:translateY(-70%) rotate(45deg);pointer-events:none}
select{cursor:pointer;transition:box-shadow .12s ease}
select:hover{box-shadow:3px 4px 0 var(--nb-sh)}
select:focus{box-shadow:3px 4px 0 var(--nb-sh)}
.numwrap:focus-within,.field input:focus{box-shadow:3px 4px 0 var(--nb-sh)}
.faq summary::after{content:"" !important}
.faq details[open] summary::after{content:"" !important}