:root{--ink:#29273d;--muted:#636176;--accent:#4936ad;--deep:#342779;--paper:#fff;--wash:#f5f3fc;--line:#dedbea;--soft:#eeebfa;--green:#267064}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.65 'Helvetica Neue',Arial,sans-serif}a{color:var(--accent);text-underline-offset:4px;text-decoration-thickness:1px}a:hover{color:var(--deep)}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}:focus-visible{outline:3px solid #d7a92c;outline-offset:4px}button{cursor:pointer}img{max-width:100%;height:auto}h1,h2,h3,p,ul,ol,figure,dl{margin-top:0}h1,h2{font-family:Georgia,'Times New Roman',serif;font-weight:400;letter-spacing:-.035em;line-height:1.1}h1{font-size:clamp(2.7rem,5.7vw,5.7rem);margin-bottom:24px}h2{font-size:clamp(1.9rem,3.1vw,3rem);margin-bottom:22px}h3{font-size:1.19rem;line-height:1.35;letter-spacing:-.02em;margin-bottom:12px}h1 em,h2 em{color:var(--accent);font-weight:400}p,ul,ol{margin-bottom:20px}li+li{margin-top:7px}small{font-size:12px}.container{width:min(1300px,calc(100% - 80px));margin-inline:auto}.skip{position:absolute;top:-100px;left:20px;background:var(--ink);color:white;padding:12px;z-index:10}.skip:focus{top:10px}.masthead{border-bottom:1px solid var(--line);background:#fff}.header-row{display:grid;grid-template-columns:185px 1fr auto;align-items:center;gap:24px;min-height:112px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-size:20px;font-weight:700;line-height:1.1;text-decoration:none}.brand-mark{font:700 25px/1.2 'Courier New',monospace;background:var(--accent);color:white;padding:8px 9px}.brand-sub{display:block;font:10px/1.8 'Courier New',monospace;text-transform:uppercase;letter-spacing:.2em;margin-top:4px;color:var(--muted)}.main-nav{display:flex;justify-content:center;gap:11px 18px;flex-wrap:wrap}.main-nav a{font-size:13px;text-decoration:none;color:var(--ink)}.main-nav a[aria-current]{text-decoration:underline;color:var(--accent)}.header-actions,.hero-actions,.summary-action,.checker-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:22px;min-height:47px;padding:11px 18px;text-decoration:none;border:1px solid var(--line);color:var(--ink);font-size:13px;font-weight:700;line-height:1.4;background:white}.button span{font-size:22px;font-weight:400}.button.dark,.button.choice{background:var(--accent);color:white;border-color:var(--accent)}.button.dark:hover,.button.choice:hover{background:var(--deep);color:white}.header-actions .button{font-size:12px;padding:10px 13px;gap:12px}.hero{text-align:center;padding:65px 5% 38px;max-width:1110px;margin:auto}.edition-label,.kind,.mono{font:11px/1.6 'Courier New',monospace;letter-spacing:.1em;text-transform:uppercase}.edition-label{display:inline-flex;gap:18px;align-items:center;border:1px solid var(--line);padding:7px 12px;margin-bottom:30px}.edition-label span{color:var(--accent)}.lead{font-size:19px;color:var(--muted);line-height:1.65;max-width:800px}.hero .lead{margin-inline:auto}.hero-actions{justify-content:center;margin:24px 0}.byline{font-size:12px;color:var(--muted)}.byline a{color:inherit}.hero-metrics{display:flex;justify-content:center;gap:0;margin:40px auto 5px;max-width:690px}.hero-metrics>div{flex:1;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:4px}.hero-metrics>div:last-child{border:0}.hero-metrics strong{font:40px/1 Georgia,serif;color:var(--accent)}.hero-metrics span{font-size:12px;color:var(--muted)}.response-spectrum{display:grid;grid-template-columns:repeat(3,1fr);background:var(--wash);margin-top:20px}.response-spectrum>div{padding:25px 28px;border-left:1px solid #fff}.response-spectrum h2{font:700 18px/1.35 'Helvetica Neue',Arial,sans-serif;letter-spacing:-.02em;margin:12px 0}.response-spectrum p{font-size:14px;margin:0;color:var(--muted)}.mono,.kind{color:var(--accent)}.edition-strip{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-bottom:1px solid var(--line);font-size:11px;color:var(--muted)}.edition-strip b{display:block;color:var(--ink)}.home-section{padding-block:58px;border-bottom:1px solid var(--line)}.home-section>p:not(.kind){max-width:830px}.table-scroll{overflow:auto;max-width:100%;margin:25px 0;border:1px solid var(--line)}table{width:100%;border-collapse:collapse;min-width:620px;font-size:13px;line-height:1.6}caption{text-align:left;padding:15px 18px;background:var(--wash);font-size:12px;color:var(--muted)}th,td{padding:16px 17px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}thead th{font:11px/1.5 'Courier New',monospace;letter-spacing:.03em;text-transform:uppercase;background:#faf9fd}tbody tr:last-child>*{border-bottom:0}th small,td small{display:block;color:var(--muted);font-weight:400;margin-top:4px}.comparison-table{min-width:1200px}.comparison-table tbody tr:first-child{background:#faf8ff}.vendor-link{font-size:15px;font-weight:700}.score-number{font:24px/1.1 Georgia,serif;color:var(--accent)}.table-note{font-size:12px;color:var(--muted)}.badge{display:inline-block;font:10px/1.5 'Courier New',monospace;letter-spacing:.03em;color:var(--accent);background:var(--soft);padding:5px 8px;margin-top:9px;white-space:nowrap}.brief-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.identity-card{border:1px solid var(--line);padding:28px;display:flex;flex-direction:column}.identity-card:first-child{border:1px solid var(--accent);background:#fbfaff}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.brief-score{font:30px/1 Georgia,serif;color:var(--accent)}.brief-score small{font:12px Arial,sans-serif;color:var(--muted)}.identity-card h3{font:32px/1.2 Georgia,serif;margin-bottom:10px}.identity-card h3 a{text-decoration:none}.identity-card p{font-size:14px}.identity-card .badge{align-self:flex-start;margin:0 0 10px}.value-line{color:var(--accent);font-weight:700}.card-fit{color:var(--muted)}.text-link{font-size:13px;font-weight:700;margin-top:auto}.method-spot{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.method-spot h2{font-size:clamp(2.4rem,4vw,4rem)}.checker-promo,.two-col{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:start}.checker-promo{padding:40px;background:var(--wash);margin-top:58px}.resource-links{display:grid;gap:15px}.resource-links a{padding:20px 0;border-bottom:1px solid var(--line)}.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.article-card{text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line);padding-bottom:22px}.article-card img{display:block;width:100%;aspect-ratio:1376/768;object-fit:cover;margin-bottom:20px}.article-card h3{font:24px/1.2 Georgia,serif}.article-card p{font-size:13px;color:var(--muted)}.meta{font:11px 'Courier New',monospace;color:var(--muted)}.faq{border-top:1px solid var(--line);max-width:950px}.faq details{border-bottom:1px solid var(--line)}.faq summary{padding:20px 30px 20px 0;cursor:pointer;font-size:16px;font-weight:600}.faq .answer{padding:0 20px 6px 0;color:var(--muted);font-size:15px}.faq .answer p{max-width:820px}.breadcrumbs{font-size:11px;color:var(--muted);margin:24px 0 0}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0}.breadcrumbs li+li{margin:0}.breadcrumbs li+li:before{content:'/';margin-right:8px;color:#aaa}.page-intro{padding:45px 0 35px;max-width:1030px}.page-intro h1{font-size:clamp(2.4rem,4.7vw,4.5rem)}.page-intro .lead{font-size:18px}.page-top{border-bottom:1px solid var(--line)}main>section:not(.hero):not(.response-spectrum):not(.home-section):not(.featured-test){margin-bottom:45px}main>.page-intro+section{margin-top:15px}.review-summary{display:grid;grid-template-columns:220px 1fr;gap:30px;border:1px solid var(--line);padding:30px;background:var(--wash);margin:35px 0}.score-box .score{font:68px/1 Georgia,serif;color:var(--accent)}.score-box .score small{font:16px Arial,sans-serif;color:var(--muted)}.score-box h2{font:11px/1.5 'Courier New',monospace;text-transform:uppercase;letter-spacing:.1em;margin:10px 0}.score-box p{font-size:12px}.review-summary dl{margin:0}.review-summary dl>div{display:grid;grid-template-columns:120px 1fr;gap:20px;margin-bottom:15px}.review-summary dt,.key-facts dt{font-size:12px;font-weight:700}.review-summary dd{margin:0;font-size:14px}.summary-action{grid-column:1/-1}.doc-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:55px;padding:35px 0}.toc{align-self:start;position:sticky;top:25px;display:grid;gap:12px;padding:20px;background:var(--wash)}.toc h2{font:11px 'Courier New',monospace;text-transform:uppercase;letter-spacing:.1em;margin:0 0 5px}.toc a{font-size:12px;text-decoration:none}.reading{max-width:940px;min-width:0}.reading section{margin-bottom:45px}.key-facts>div{display:grid;grid-template-columns:145px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.key-facts dd{margin:0;font-size:15px}.source-inline{display:block;font-size:11px;margin-top:8px}.balance{display:grid;grid-template-columns:1fr 1fr;gap:30px}.balance h2{font-size:26px}.balance li{font-size:14px}.source-list{font-size:13px}.source-section,.alternative-group,.guide-block{padding:28px 0;border-bottom:1px solid var(--line)}.source-section h2{font-size:32px}.guide-block{display:grid;grid-template-columns:125px 1fr;gap:5px 30px}.guide-block h2,.guide-block p,.guide-block a{grid-column:2}.guide-block>.mono{grid-row:1/4;padding-top:8px}.guide-block h2{font-size:30px}.mission{max-width:1030px;padding:35px 0}.mission h2{font-size:48px}.author-profile{display:flex;gap:30px;padding:35px;background:var(--wash)}.initials{font:40px Georgia,serif;color:var(--accent);background:white;padding:22px;align-self:start}.author-profile h2{font-size:36px}.contact-section{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding:35px 0;border-bottom:1px solid var(--line)}.contact-section h2{font-size:31px}.email-link{overflow-wrap:anywhere;font-size:14px}.blog-layout{display:grid;grid-template-columns:minmax(0,860px) 220px;gap:45px}.blog-layout .toc{grid-column:2;grid-row:1}.article-body{min-width:0;font-size:17px;line-height:1.8}.article-body h2{margin:45px 0 18px;font-size:33px}.article-body h3{margin-top:25px;font-size:20px}.article-body pre{background:#272337;color:#f1ecff;padding:22px;overflow:auto;font:12px/1.7 'Courier New',monospace}.article-body :not(pre)>code{font-size:.85em;background:var(--wash);padding:2px 4px;overflow-wrap:anywhere}.cover img{display:block;width:100%}figcaption{font-size:11px;color:var(--muted);margin-top:9px}.flow{display:grid;grid-template-columns:repeat(3,1fr);list-style:none;padding:0;background:var(--wash);margin-top:25px}.flow li{padding:17px;font-size:13px;margin:0;border-right:2px solid white}.flow strong{display:block;font:24px Georgia,serif;color:var(--accent);margin-bottom:10px}.ai-summary{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:25px 0;margin:45px 0}.ai-summary h2{font:12px 'Courier New',monospace;letter-spacing:.06em;text-transform:uppercase;margin:0 0 14px}.ai-summary ul{display:flex;gap:9px;list-style:none;flex-wrap:wrap;margin:0;padding:0}.ai-summary li{margin:0}.ai-summary a{font-size:12px;text-decoration:none;border:1px solid var(--line);padding:8px 11px;display:block}.featured-test{display:grid;grid-template-columns:1.2fr 1fr;gap:55px;padding:35px;background:var(--wash);margin:10px 0 50px}.featured-test>div+div{border-left:1px solid var(--line);padding-left:35px}.checker-toolbar:not([hidden]){display:grid;grid-template-columns:1.4fr 1fr auto;gap:15px;align-items:end;margin:25px 0;padding:22px;background:var(--wash)}.checker-toolbar label{display:block;font:11px 'Courier New',monospace;margin-bottom:8px;text-transform:uppercase}.checker-toolbar input,.checker-toolbar select{min-height:46px;width:100%;border:1px solid #b5aecb;background:white;padding:10px;font-size:14px;color:var(--ink)}.checker-toolbar button{min-height:46px;border:1px solid var(--accent);padding:9px 14px;background:var(--accent);color:white;font-size:13px}.checker-toolbar p{grid-column:1/-1;font-size:12px;margin:0}.checker-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.checker-row{border:1px solid var(--line);padding:25px;display:flex;flex-direction:column}.checker-row[hidden]{display:none}.checker-head{display:grid;gap:7px;margin-bottom:20px}.test-type{font-size:12px;color:var(--muted)}.checker-row h3{font:28px/1.15 Georgia,serif}.checker-row p,.checker-row dd{font-size:14px}.checker-row dl{margin:0 0 20px}.checker-row dl>div{padding:12px 0;border-bottom:1px solid var(--line)}.checker-row dt{font:10px 'Courier New',monospace;color:var(--accent);text-transform:uppercase;margin-bottom:6px}.checker-row dd{margin:0}.checker-actions{margin-top:auto}.checker-actions>a:not(.button){font-size:12px}#checker-empty{padding:25px;background:var(--wash)}.empty-page{padding:100px 0}.site-footer{background:var(--wash);padding:50px 0 20px;margin-top:50px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:50px;font-size:12px}.footer-title{font:25px Georgia,serif;margin-bottom:15px}.footer-grid nav{display:grid;gap:10px;align-content:start}.footer-grid nav a{color:var(--ink);text-decoration:none}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;margin-top:25px;border-top:1px solid var(--line);font:10px 'Courier New',monospace;color:var(--muted)}[hidden]{display:none!important}
@media(min-width:1100px){.brief-list .identity-card:first-child{grid-column:1/-1;display:grid;grid-template-columns:250px 1fr;column-gap:35px}.identity-card:first-child .card-top{grid-column:1/-1}.identity-card:first-child h3,.identity-card:first-child .badge,.identity-card:first-child .value-line{grid-column:1}.identity-card:first-child>p:not(.value-line){grid-column:2}.identity-card:first-child>p:first-of-type:not(.value-line){grid-row:2/5}.identity-card:first-child .text-link{grid-column:2}}
@media(max-width:1100px){.container{width:calc(100% - 48px)}.header-row{grid-template-columns:1fr auto;padding-block:20px;gap:20px}.main-nav{grid-column:1/-1;grid-row:2;justify-content:flex-start}.hero{padding-inline:0}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.blog-layout{grid-template-columns:minmax(0,1fr)}.blog-layout .toc{display:none}.doc-layout{grid-template-columns:175px minmax(0,1fr);gap:30px}.key-facts>div{grid-template-columns:1fr;gap:6px}}
@media(max-width:700px){.container{width:calc(100% - 36px)}.header-row{display:flex;flex-wrap:wrap;gap:18px}.brand{font-size:17px}.brand-mark{font-size:21px}.header-actions{width:100%;order:2;flex-wrap:nowrap;gap:9px}.header-actions .button{flex:1;justify-content:center}.main-nav{order:3;gap:11px 17px;justify-content:flex-start}.main-nav a{font-size:12px}.hero{padding-top:38px;text-align:left}.hero h1{font-size:44px}.hero .lead{font-size:17px}.edition-label{font-size:9px;gap:12px;margin-bottom:24px}.hero-actions{justify-content:flex-start}.hero-metrics{margin:30px 0 0}.hero-metrics>div{padding-left:15px}.hero-metrics>div:first-child{padding:0}.hero-metrics strong{font-size:34px}.hero-metrics span{font-size:10px}.response-spectrum{grid-template-columns:1fr;margin-top:5px}.response-spectrum>div{padding:22px;border-bottom:2px solid white}.response-spectrum h2{margin:8px 0}.edition-strip{flex-direction:column;gap:10px;font-size:11px}.edition-strip b{display:inline;margin-right:7px}.home-section{padding-block:38px}.brief-list,.article-grid,.method-spot,.checker-promo,.two-col,.balance,.contact-section,.featured-test,.checker-grid{grid-template-columns:1fr;gap:23px}.identity-card{padding:23px}.method-spot h2{font-size:40px}.checker-promo{padding:24px;margin-top:35px}.article-grid{gap:30px}.article-card h3{font-size:26px}.doc-layout{display:block;padding-top:20px}.doc-layout>.toc{position:static;margin-bottom:35px}.page-intro{padding-top:32px}.page-intro h1{font-size:38px}.page-intro .lead{font-size:16px}.review-summary{grid-template-columns:1fr;padding:23px;gap:20px}.review-summary dl>div{grid-template-columns:1fr;gap:4px}.guide-block{display:block}.guide-block>.mono{display:block;margin-bottom:15px}.mission h2{font-size:37px}.author-profile{padding:23px;display:block}.initials{display:inline-block;margin-bottom:20px;font-size:25px;padding:15px}.contact-section{padding-block:25px}.article-body{font-size:16px}.article-body h2{font-size:29px}.flow{grid-template-columns:1fr}.flow li{border-bottom:2px solid white}.flow strong{display:inline-block;margin-right:10px}.featured-test{padding:23px}.featured-test>div+div{border:0;border-top:1px solid var(--line);padding:20px 0 0}.checker-toolbar:not([hidden]){grid-template-columns:1fr;padding:18px}.checker-toolbar p{grid-column:1}.checker-row{padding:22px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}