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@media(max-width:800px){.container{width:calc(100% - 40px)}.utility{font-size:9px}.utility .container{min-height:34px;gap:12px}.utility .edition-text{display:none}.header-inner{min-height:83px;flex-wrap:wrap;gap:0}.brand img{width:34px;height:34px}.brand-word{font-size:27px}.brand-kicker{font-size:8px}.js .menu-toggle{display:inline-block;font-size:12px}.nav-wrap{width:100%;padding:0 0 20px}.js .nav-wrap{display:none}.js .nav-wrap.open{display:block}.primary-nav{display:grid;grid-template-columns:1fr 1fr;gap:0 20px;padding-top:5px}.primary-nav a{padding:12px 0;border-bottom:1px solid var(--line)}.hero{grid-template-columns:1fr 1fr;gap:26px;padding:44px 0 33px}.hero h1{font-size:50px}.hero .eyebrow{font-size:9px}.hero-deck{font-size:14px}.hero-art{padding:23px 17px;min-height:390px}.receipt{padding:20px;box-shadow:5px 5px 0 #c2cdc0}.receipt-big{font-size:77px}.receipt-title{font-size:22px}.receipt-top{font-size:8px}.art-note{font-size:15px;right:-6px;bottom:16px}.hero .actions{gap:5px;margin-top:15px}.btn{font-size:12px;padding:13px 16px;gap:16px}.principles{gap:16px;padding:17px 0}.principle{font-size:10px;line-height:1.5;gap:9px}.section{padding:43px 0}.featured-card{padding:23px}.operator-wordmark{font-size:31px}.featured-card:nth-child(2) .operator-wordmark{font-size:32px}.featured-top{gap:7px;margin-bottom:24px}.badge{font-size:8px}.featured-card .actions{gap:8px}.featured-card .text-link{font-size:11px}.operator-row{grid-template-columns:25px 1fr 1.2fr;gap:13px}.operator-row .row-evidence{grid-column:3;grid-row:2}.operator-row .row-tagline{grid-column:3;grid-row:1}.operator-row .row-action{grid-column:2;grid-row:2;justify-self:start}.operator-row .ordinal{grid-row:1/3}.operator-row .row-name{grid-column:2;grid-row:1}.operator-row h3{font-size:20px}.operator-row .row-scope{display:none}.guide-grid{grid-template-columns:repeat(2,1fr);gap:28px 22px}.guide-card h3{font-size:26px}.tool-banner{grid-template-columns:1.4fr 1fr;gap:26px;padding:29px}.tool-banner h2{font-size:32px}.equation{font-size:35px;letter-spacing:-2px}.method-panel{gap:35px}.article-layout{grid-template-columns:1fr;gap:28px;padding-top:25px}.article-toc{position:static;display:flex;gap:9px 16px;flex-wrap:wrap;font-size:11px;border-bottom:1px solid var(--line);padding-bottom:15px}.article-toc strong{width:100%;margin:0}.article-toc a{border:0;padding:5px 0;max-width:100%}.article h2{font-size:31px}.page-head{padding-top:24px}.page-head h1{font-size:51px}.lede{font-size:16px}.toolbar{padding:20px;gap:14px}.field label{font-size:10px}.toolbar .field input,.toolbar .field select{font-size:13px}.category-grid{grid-template-columns:1fr 1fr}.footer-main{grid-template-columns:1.3fr 1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.footer-main p{max-width:520px}.promo-slot{grid-template-columns:1fr 340px;gap:25px}.promo-slot h2{font-size:25px}.safety-inner{gap:16px}.safety-inner p{font-size:11px}.safety-inner>a{font-size:11px}.safety-strip{padding:20px 0}}
@media(max-width:600px){.container{width:calc(100% - 36px)}.utility .container{font-size:9px;min-height:34px}.utility .utility-intl{display:none}.hero{grid-template-columns:1fr;padding-top:33px;gap:33px}.hero h1{font-size:57px;max-width:450px;letter-spacing:-.045em}.hero-deck{font-size:15px;max-width:430px}.hero .actions{gap:17px;margin-top:24px}.hero-art{min-height:355px;padding:22px;max-width:100%;margin-bottom:7px}.receipt{max-width:268px;padding:18px 23px;transform:rotate(-3deg)}.receipt-top{padding-bottom:12px}.receipt-title{font-size:23px;padding-top:15px}.receipt-big{font-size:77px;margin-top:12px;margin-bottom:7px}.receipt-lines{margin-top:12px}.receipt-line{padding:7px 0}.receipt-bottom{font-size:9px;margin-top:11px}.art-note{right:1px;bottom:23px;font-size:16px;padding:10px 14px}.principles{grid-template-columns:1fr;padding:15px 0;gap:13px}.principle{font-size:12px}.principle b{font-size:18px}.section-heading{align-items:start;flex-direction:column;gap:14px;margin-bottom:23px}.section-heading h2{font-size:35px}.section-heading p{font-size:13px}.section-heading .text-link{padding:0}.section{padding:37px 0}.featured-grid{grid-template-columns:1fr;gap:17px}.featured-card{padding:23px}.featured-top{margin-bottom:25px}.operator-wordmark{font-size:35px}.featured-card:nth-child(2) .operator-wordmark{font-size:35px}.featured-card .actions{gap:19px}.featured-card .text-link{font-size:12px}.badge{font-size:9px}.featured-card p{font-size:13px}.disclosure{font-size:11px}.operator-row{grid-template-columns:22px minmax(0,1fr);padding:22px 0;gap:10px 13px}.operator-row .row-name{grid-column:2;grid-row:1}.operator-row .ordinal{grid-row:1}.operator-row .row-tagline{grid-column:2;grid-row:2;font-size:12px}.operator-row .row-evidence{grid-column:2;grid-row:3;display:flex;align-items:center;gap:10px}.operator-row .row-action{grid-column:2;grid-row:4;padding:6px 0;margin-top:0;font-size:12px}.operator-row .row-scope{display:none}.operator-row h3{font-size:23px}.tool-banner{grid-template-columns:1fr;padding:29px 23px;gap:26px}.tool-banner h2{font-size:35px}.tool-banner p{font-size:13px}.equation{font-size:45px;padding:20px;letter-spacing:-2px}.guide-grid{grid-template-columns:1fr;gap:28px}.guide-visual{aspect-ratio:1.85;margin-bottom:17px}.guide-card h3{font-size:31px}.guide-card p{font-size:14px}.method-panel{grid-template-columns:1fr;gap:23px;padding-top:31px}.method-panel h2{font-size:35px}.method-steps p{font-size:13px}.breadcrumb{font-size:10px;padding:20px 0 10px;gap:6px}.page-head{padding:26px 0 29px}.page-head h1{font-size:44px;line-height:1.08;margin-bottom:22px}.page-head .lede{font-size:16px;line-height:1.7}.meta-line{gap:8px 12px;font-size:10px}.meta-line span+span{padding-left:12px}.article-layout{padding-bottom:35px}.article-toc{gap:7px 15px}.article-toc a{font-size:10px}.article p{font-size:15px;line-height:1.82}.article h2{font-size:30px}.article section{margin-bottom:34px}.summary-box{padding:23px}.summary-box h2{font-size:27px}.research-note{padding:13px 15px;font-size:12px}.source-list{font-size:11px;padding-left:20px}.toolbar{grid-template-columns:1fr;padding:20px;gap:15px}.toolbar .field input,.toolbar .field select{font-size:15px}.field label{font-size:11px}.category-grid{gap:20px;grid-template-columns:1fr 1fr}.category-card h3{font-size:25px}.category-card p{font-size:12px}.calculator-fields{padding:20px;gap:17px;grid-template-columns:1fr}.calculator-actions{padding:0 20px 21px}.calculator-result{padding:22px 20px}.calculator-result h3{font-size:31px}.calculator-note{padding:20px}.comparison-controls{grid-template-columns:1fr;gap:18px}.table-scroll{margin:20px 0}.comparison-table th,.comparison-table td{padding:15px;min-width:170px}.simple-page h2{font-size:29px}.simple-page p{font-size:15px}.help-grid{grid-template-columns:1fr}.callout{padding:23px}.status-dictionary{grid-template-columns:1fr}.promo-slot{grid-template-columns:1fr;gap:16px;min-height:330px;padding:25px 0 35px}.promo-slot>div>p{font-size:12px;margin-bottom:0}.promo-slot h2{font-size:26px}.promo-rest{padding:20px;border-left:0;border-top:1px solid var(--line);min-height:155px}.toast{min-height:170px}.safety-inner{display:grid;grid-template-columns:45px 1fr;gap:12px 16px}.age-mark{width:45px;height:45px;font-size:24px}.safety-inner>a{grid-column:2;font-size:12px;justify-self:start}.safety-inner p{font-size:11px;line-height:1.7}.footer{padding-top:33px}.footer-main{grid-template-columns:1fr 1fr;gap:29px 20px}.footer-brand{grid-column:1/-1}.footer-main>div:last-child{grid-column:1/-1}.footer-main>div:last-child .footer-links{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column;gap:8px;margin-top:29px;font-size:10px}.footer-links a{font-size:12px;padding:2px 0}.not-found{padding:35px 0 65px}.not-found h1{font-size:43px}}
@media(max-width:360px){.container{width:calc(100% - 30px)}.hero h1{font-size:50px}.hero .actions{gap:8px 15px}.hero-art{min-height:340px;padding:20px}.receipt{padding:17px;max-width:238px}.receipt-big{font-size:70px}.art-note{font-size:14px;right:0}.featured-card{padding:20px}.featured-card .actions{gap:10px}.brand-word{font-size:25px}.brand img{width:30px;height:30px}.brand-kicker{font-size:7px}.menu-toggle{padding:9px 11px}.category-grid{grid-template-columns:1fr}.page-head h1{font-size:40px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{.utility,.masthead,.article-toc,.promo-slot,.safety-strip,.footer,.actions,.toolbar,.comparison-controls,.menu-toggle{display:none!important}body{background:white;color:black;font-size:12pt}.container{width:100%;max-width:100%}.article-layout{display:block;border:0}.page-head h1{font-size:30pt}.article h2{font-size:19pt}.article p{font-size:11pt}.article section{break-inside:avoid}a{text-decoration:underline}.guide-visual{display:none}.calculator button{display:none}}

/* Reserve the notification space so appearing/dismissing a card does not shift the footer. */
.promo-slot>div:last-child{min-height:220px}