/* Native scroll drives the frames; the unenhanced section has no extra track. */
.calculator-fold-track{border-top:1px solid var(--line);padding-block:88px}
.calculator-fold-layout{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);align-items:center;gap:clamp(24px,5vw,70px)}
.calculator-fold-track.is-fold-pinned{height:calc(var(--fold-stage-height) + var(--fold-distance));padding:0}
.calculator-fold-track.is-fold-pinned .calculator-fold-layout{position:sticky;top:var(--fold-top);height:var(--fold-stage-height);padding-block:20px}
.calculator-fold-copy{min-width:0}
.product-page .calculator-fold-copy h2{font-size:clamp(34px,3.7vw,50px);line-height:1.08;margin:0;max-width:430px}
.calculator-fold-copy p{font-size:16px;max-width:390px;margin:20px 0 0}
.calculator-fold-figure{min-width:0;min-height:0;margin:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.calculator-fold-stage{position:relative;aspect-ratio:var(--fold-aspect,900/640);width:min(100%,480px,var(--fold-art-width,480px));filter:drop-shadow(0 22px 25px #0003)}
.calculator-fold-stage img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain;opacity:0;visibility:hidden}
.calculator-fold-stage img.is-active{opacity:1;visibility:visible}
.product-page .calculator-fold-figure figcaption{font-size:11px;line-height:1.5;color:var(--muted);margin-top:12px;text-align:center}
.calculator-fold-download{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--blue);font-size:14px;min-height:44px;font-weight:600}
@media(max-width:700px){.calculator-fold-layout{grid-template-columns:1fr;gap:22px}.calculator-fold-track.is-fold-pinned .calculator-fold-layout{grid-template-rows:auto minmax(0,1fr);gap:16px}.calculator-fold-figure{width:100%}.calculator-fold-copy p{margin-top:14px}}

.product-page-calculator .product-inline-facts{flex-wrap:wrap}
/* Separate features give each existing app view its own breathing room. */
.calculator-workflow-rows{display:grid}
.product-workflow-layout.calculator-workflow-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(36px,7vw,96px);background:transparent;border:0;border-radius:0;border-top:1px solid var(--line);padding:clamp(38px,5vw,72px) 0}
.calculator-workflow-row .calculator-workflow-visual{min-width:0;height:clamp(300px,34vw,420px);display:flex;align-items:center;justify-content:center;margin:0}
.calculator-workflow-row .calculator-workflow-visual>img{height:100%;max-width:100%;width:auto;object-fit:contain}
.calculator-workflow-row .calculator-workflow-visual .calculator-composition{width:min(100%,460px)}
.calculator-workflow-row:nth-child(even) .calculator-workflow-visual{order:2}
.calculator-workflow-copy{max-width:440px}
.product-page .calculator-workflow-copy h3{font-size:clamp(30px,3vw,44px);line-height:1.12;margin:0 0 18px}
.calculator-workflow-copy p{font-size:16px;line-height:1.7}
@media(max-width:760px){
 .product-workflow-layout.calculator-workflow-row{grid-template-columns:minmax(0,1fr);gap:20px;padding:38px 0}
 .calculator-workflow-row .calculator-workflow-visual{height:min(340px,75vw)}
 .calculator-workflow-row:nth-child(even) .calculator-workflow-visual{order:0}
 .calculator-workflow-copy p{font-size:15px}
}
/* A centred introduction leads into a dedicated light-and-dark device stage. */
.product-page.product-page-calculator .product-intro{display:flex;flex-direction:column;align-items:center;gap:clamp(24px,3vw,42px);padding-block:clamp(42px,5vw,70px) 50px;min-height:0;text-align:center}
.product-page.product-page-calculator .product-intro-copy{width:100%;max-width:720px}
.product-page.product-page-calculator .product-intro .product-identity{justify-content:center}
.product-page.product-page-calculator .product-intro h1{max-width:720px;margin-inline:auto}
.product-page.product-page-calculator .product-intro-copy>p{margin-inline:auto}
.product-page.product-page-calculator .product-actions,.product-page.product-page-calculator .product-inline-facts{justify-content:center}
.product-page.product-page-calculator .product-phone-art{width:100%;min-height:0}
.product-page.product-page-calculator .product-phone-art .calculator-product-art{width:min(100%,680px);max-width:680px;margin:0 auto}
@media(max-width:760px){.product-page.product-page-calculator .product-intro{padding-block:38px 30px;gap:18px}.product-page.product-page-calculator .product-inline-facts{gap:14px 22px}}