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.sub{line-height:1.65}.chart-wrap{padding:var(--s-4);border-radius:var(--r)}.calc-foot{padding:var(--s-5) var(--s-6)}.formula{border-radius:var(--r-sm)}.calc-foot .formula{background:var(--surface)}.qf-tool{border-color:var(--line-strong);background:var(--panel);box-shadow:var(--sh-2)}.qf-tool .head{padding:var(--s-4) var(--s-5)}.sd-scroll,.tpl-preview,.px-scroll{background-color:var(--panel);box-shadow:var(--sh-1)}.sd-table tbody tr:nth-child(2n),.tpl-table tbody tr:nth-child(2n),.px-grid tbody tr:nth-child(2n){background:var(--surface)}.practice-box{box-shadow:var(--sh-2)}.data-table tbody tr:nth-child(2n) td{background:color-mix(in srgb, var(--surface) 55%, var(--panel))}.data-table thead th{background:var(--surface)}.result-table-scroll{border:1px solid var(--line);border-radius:var(--r-sm)}.dual-hook{margin-block:var(--s-5)}.tool-page-head{padding-top:var(--s-7);padding-bottom:var(--s-5)}.tool-page-head h1{margin-bottom:var(--s-3)}.tool-page-head>.lead{max-width:720px;margin-bottom:var(--s-5)}.tool-page-head>.crumb{margin-bottom:var(--s-4)}.calc-layout{gap:var(--s-7)}.article-h1{font-size:clamp(2.05rem,4vw,3.35rem)}.article-lead{font-size:var(--fs-lg);line-height:1.7}.snippet-block{border-radius:var(--r);padding:var(--s-5);border:1px solid var(--accent-tint-2);border-left:4px solid var(--accent)}.prose{max-width:74ch}.prose p{line-height:1.8}.prose h2{letter-spacing:-.025em}.aside-card{padding:var(--s-5);box-shadow:var(--sh-1)}.toc a{border-left-color:var(--line-strong);padding-block:10px}.ref-card{background:var(--panel);border-color:var(--line)}.ref-table th,.ref-table td{padding-block:var(--s-3)}.keep-exploring-card{background:var(--surface)}.faq-item,.copy-faq-item{padding-block:var(--s-4);border-bottom:1px solid var(--line)}.ss-palette{padding:var(--s-4);border-radius:var(--r-xl);box-shadow:var(--sh-3)}.ss-palette .ss-input{min-height:54px}.ss-hit{padding:var(--s-4);min-height:54px}.ss-page{background:var(--panel);padding:var(--s-5);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2)}.ss-scrim{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.ss-browse-card{padding:var(--s-5)}.email-capture{background:var(--panel);box-shadow:var(--sh-2);border-radius:var(--r-lg)}.email-capture:not(.compact){padding:var(--s-6)}.feedback-fab{width:48px;height:48px;box-shadow:var(--sh-3)}.feedback-trigger-icon{flex-shrink:0;display:flex}.feedback-trigger-label{display:none}.feedback-panel{border-radius:var(--r-lg);box-shadow:var(--sh-3)}.toast{border-radius:var(--r);text-align:center;width:max-content;max-width:calc(100vw - 32px)}.error-page{padding-block:var(--s-7)}.error-page>.eyebrow{padding:var(--s-3) var(--s-5);border:1px solid var(--line);border-radius:var(--r-sm);background:var(--panel);font-size:1rem}.site-footer{padding-block:var(--s-8) var(--s-6);background:var(--surface)}.footer-grid{grid-template-columns:1.4fr repeat(var(--footer-cols,3), minmax(0, 1fr))}.footer-grid .brand{font-size:1.25rem}.footer-grid .footer-h{color:var(--accent-ink);margin-bottom:var(--s-4)}.footer-grid a{font-size:var(--fs-sm);padding-block:7px}.footer-bottom{margin-top:var(--s-7)}@media (width<=1150px) and (width>=901px){.site-header .bar{gap:var(--s-3)}.nav{margin-left:0}.nav a{padding-inline:10px}.ss-trigger{justify-content:center;width:40px;min-width:0;padding:0}.ss-trigger-text,.ss-trigger .ss-kbd{display:none}.hero-grid{gap:var(--s-6)}}@media (width<=1000px){.hero-grid{gap:var(--s-7);grid-template-columns:1fr}.hero-copy{max-width:720px}.hero h1{max-width:14ch}.hero .lead{max-width:60ch}.hero-search,.hero-stats{max-width:600px}.demo-stage{width:100%;max-width:640px;margin-inline:auto}.demo-card .calc-result .big{font-size:2.75rem}.calc-layout{gap:var(--s-6)}}@media (width<=900px){:root{--header-h:68px}.ss-trigger{background:0 0;border-color:#0000;justify-content:center;width:44px;min-width:0;height:44px;padding:0}.site-header .bar{gap:var(--s-3)}.footer-grid{gap:var(--s-6);grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid>div:first-child{padding-bottom:var(--s-4);grid-column:1/-1}.mobile-menu{left:auto;right:var(--s-4);width:min(440px,100vw - 32px);padding:var(--s-5);border:1px solid var(--line);border-radius:var(--r-lg);max-height:calc(100dvh - var(--header-h) - 24px);top:calc(100% + 8px)}.mobile-menu-nav .navitem{padding:var(--s-4);border:1px solid var(--line);background:var(--panel)}.mobile-menu-nav{gap:var(--s-2)}.mobile-menu-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}}@media (width<=720px){:root{--section-y:calc(64px * var(--density))}.wrap,.wrap-narrow{padding-inline:var(--s-5)}.hero{padding-top:var(--s-7)}.hero-grid{gap:var(--s-6)}.hero h1{max-width:17ch;font-size:clamp(2.75rem,8vw,3.8rem)}.home-tools{padding-block:var(--s-7)}.calc-body{grid-template-columns:minmax(0,1fr)}.calc-inputs{border-right:0}.calc-inputs,.calc-output{padding:var(--s-5)}.calc-foot{padding:var(--s-4) var(--s-5)}.calc-mini-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dir-toolbar{padding:var(--s-4)}.dir-filters{padding-bottom:var(--s-2);scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;flex-wrap:nowrap;overflow-x:auto}.dir-filters>.pill{white-space:nowrap;flex-shrink:0;min-height:44px}.page-head .inner{padding-block:var(--s-6)}.pillar-card,.why-card{padding:var(--s-5)}.pill,.copybtn{min-height:44px}.segment{flex-wrap:wrap;display:flex}.segment button{padding-inline:var(--s-3);white-space:normal;flex:1;min-height:44px}.article-head-row .segment{width:max-content}.article-head-row .segment button{white-space:nowrap;flex:none}.tpl-teaser{grid-template-columns:minmax(0,1fr)}.tpl-teaser-card .thumb{min-height:190px}.tool-page-head{padding-top:var(--s-6)}}@media (width<=480px){.wrap,.wrap-narrow{padding-inline:20px}.site-header .wrap{padding-inline:var(--s-4)}.brand{gap:var(--s-2);font-size:1.08rem}.brand .mark{width:30px;height:30px}.header-right{gap:0}.hero .eyebrow{font-size:var(--fs-micro);letter-spacing:.08em}.hero .lead{font-size:var(--fs-base)}.hero-search{flex-direction:row}.hero-search .btn{width:auto;padding-inline:var(--s-3);font-size:var(--fs-sm)}.hero-search .input{padding-right:0;font-size:1rem}.hero-search .ss-ico{left:14px}.hero-suggestions{gap:6px}.hero-suggestions>span{flex-basis:100%}.hero-stats{gap:var(--s-4);flex-wrap:nowrap;justify-content:space-between}.hero-stat{min-width:0}.hero-stat .n{font-size:1.2rem}.hero-stat .l{font-size:.72rem}.hero-cta{gap:var(--s-4)}.demo-stage{padding:var(--s-2);border-radius:var(--r-lg)}.demo-columns{margin-block:var(--s-1) var(--s-2)}.demo-head{padding:var(--s-3)}.demo-head .title{font-size:var(--fs-xs)}.demo-head .live{font-size:.6rem}.demo-card .calc-body{grid-template-columns:minmax(0,1fr)}.demo-card .calc-inputs{gap:var(--s-3);padding:var(--s-4);border-right:0;border-bottom:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.demo-card .calc-inputs>:last-child{grid-column:1/-1}.demo-card .calc-inputs .input-group{margin-top:auto}.demo-card .calc-output{padding:var(--s-5)}.demo-card .calc-foot{padding:var(--s-3)}.demo-caption{line-height:1.5}.logostrip{gap:var(--s-3) var(--s-5)}.logostrip .lg{font-size:var(--fs-xs)}.calc-mini-grid{gap:var(--s-3)}.calc-mini-grid .dir-card{padding:var(--s-4);gap:var(--s-3)}.calc-mini-grid .dir-card .row{gap:var(--s-2);flex-wrap:wrap}.calc-mini-grid .dir-card .ico{width:38px;height:38px}.calc-mini-grid .dir-card .h4{font-size:var(--fs-md)}.calc-mini-grid .dir-card .meta .vol{font-size:var(--fs-micro)}.calc-mini-grid .meta>svg{width:24px;height:24px;padding:4px}.calc-tabbar{padding:var(--s-3) var(--s-4);gap:var(--s-2);flex-wrap:wrap}.calc-tabbar .ttl{font-size:var(--fs-sm);flex:1}.calc-tabbar .badge{font-size:.6rem}.calc-inputs,.calc-output,.ss-page{padding:var(--s-4)}.ss-palette{padding:var(--s-3);border-radius:var(--r-lg)}.ss-scrim,.ss-hit{padding:var(--s-3)}.email-capture,.email-capture:not(.compact){padding:var(--s-5)}.footer-grid{gap:var(--s-6) var(--s-4)}.site-footer{padding-bottom:calc(var(--s-8) + env(safe-area-inset-bottom))}.feedback-fab{right:var(--s-4);bottom:calc(var(--s-4) + env(safe-area-inset-bottom));width:44px;height:44px}.error-search{flex-direction:column}}@media (width<=360px){.calc-mini-grid{grid-template-columns:minmax(0,1fr)}.site-header .wrap{padding-inline:var(--s-2)}.site-header .bar{gap:var(--s-1)}.brand{gap:6px;font-size:1rem}.brand .mark{width:26px;height:26px}.hero-search .ss-ico{display:none}.hero-search .input{padding-left:var(--s-2)}}@media (prefers-reduced-motion:reduce){.card.hover:hover,.tpl-grid .tpl-card:hover{transform:none}}@media (forced-colors:active){.hero-search{border-color:buttontext}.hero-search .input:focus-visible{outline:2px solid highlight}}@media (width<=720px){.feedback-fab{z-index:auto;width:max-content;min-width:44px;max-width:calc(100% - 32px);height:auto;min-height:44px;margin:16px auto calc(16px + env(safe-area-inset-bottom));border-radius:var(--r-sm);gap:8px;padding:10px 16px;position:static;inset:auto}.feedback-trigger-label{overflow-wrap:anywhere;min-width:0;display:inline}.feedback-fab:hover{transform:none}.feedback-panel{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));max-width:calc(100vw - 32px);max-height:calc(100dvh - 32px - env(safe-area-inset-bottom));overflow-y:auto}}