#site{--tf2-paper:#fff;--tf2-surface:#f3f6fa;--tf2-ink:#192539;--tf2-muted:#5d6b7e;--tf2-accent:#3155df;--tf2-tint:#eaf0ff;--tf2-rule:#dce3ed;--tf2-display:"Outfit Variable", sans-serif;--tf2-section:64px;color-scheme:light;color:var(--tf2-ink);background:var(--tf2-paper);overflow-wrap:break-word;text-align:left;width:100%;font:17px/1.5 "Source Sans 3 Variable",sans-serif}#site *,#site :before,#site :after{box-sizing:border-box}#site [hidden]{display:none!important}#site h1,#site h2,#site h3,#site h4,#site p,#site figure,#site ul,#site ol{margin:0}#site h1,#site h2,#site h3,#site h4{font-family:var(--tf2-display);color:var(--tf2-ink);font-weight:500}#site a{color:inherit;text-decoration:none}#site button{font:inherit;color:inherit;cursor:pointer}#site img{max-width:100%;display:block}#site strong{font-weight:600}#site .tf2-container{max-width:1192px;margin-inline:auto;padding-inline:clamp(20px,4.3vw,48px)}#site .tf2-header{border-bottom:1px solid var(--tf2-rule);background:var(--tf2-paper);z-index:20;position:sticky;top:0}#site .tf2-header-inner{align-items:center;gap:26px;min-height:71px;display:flex}#site .tf2-logo{flex-shrink:0;align-items:center;min-height:44px;display:inline-flex}#site .tf2-logo img{width:210px;height:auto}#site .tf2-main-nav{align-items:center;gap:26px;margin-left:auto;font-size:15px;font-weight:600;display:flex}#site .tf3-nav-trigger{white-space:nowrap;min-height:48px;font-size:inherit;background:0 0;border:0;align-items:center;gap:7px;padding:9px 0;font-weight:600;display:inline-flex;position:relative}#site .tf3-nav-trigger[aria-current=page]:after{content:"";background:var(--tf2-accent);height:2px;position:absolute;bottom:0;left:0;right:0}#site .tf3-nav-trigger[aria-expanded=true]{color:var(--tf2-accent)}#site .tf3-nav-trigger[aria-expanded=true]>svg{transform:rotate(180deg)}#site .tf2-main-nav a:hover,#site .tf2-footer a:hover,#site .tf2-title-link:hover{color:var(--tf2-accent)}#site .tf2-start-link{border:1px solid var(--tf2-rule);border-radius:7px;justify-content:center;align-items:center;min-height:44px;margin-left:3px;padding:10px 16px;font-size:14px;font-weight:600;display:inline-flex}#site .tf2-start-link:hover{background:var(--tf2-surface)}#site .tf2-mobile-menu{background:0 0;border:0;align-items:center;gap:8px;min-height:44px;margin-left:auto;padding:8px 0 8px 10px;font-size:15px;display:none}#site .tf2-hero{grid-template-columns:.97fr 1.03fr;align-items:center;gap:8px;padding-block:45px 29px;display:grid}#site .tf2-hero-copy{z-index:2;padding-block:22px;position:relative}#site .tf2-hero h1{letter-spacing:-3.25px;font-size:clamp(44px,6.2vw,70px);line-height:1.015}#site .tf2-hero-copy p{color:var(--tf2-muted);max-width:360px;margin-top:23px;font-size:19px;line-height:1.55}#site .tf2-actions{flex-wrap:wrap;align-items:center;gap:14px 25px;margin-top:27px;display:flex}#site .tf2-button{background:var(--tf2-accent);color:#fff;border:1px solid var(--tf2-accent);border-radius:7px;justify-content:center;align-items:center;gap:10px;min-height:46px;padding:11px 20px;font-size:15px;font-weight:600;display:inline-flex}#site .tf2-button:hover{filter:brightness(.93)}#site .tf2-button.tf2-secondary{background:var(--tf2-paper);border-color:var(--tf2-rule);color:var(--tf2-ink)}#site .tf2-link{color:var(--tf2-accent);text-underline-offset:5px;align-items:center;gap:8px;min-height:44px;font-size:15px;font-weight:600;text-decoration:underline 1px;display:inline-flex}#site .tf2-hero-art{min-width:0;height:370px;position:relative}#site .tf2-lens-backdrop{background:var(--tf2-surface);border-radius:140px 140px 60px 60px;position:absolute;inset:13px 0 47px 18px}#site .tf2-hero-headset{object-fit:contain;filter:drop-shadow(0 18px 13px #28364e1c);width:97%;height:83%;position:absolute;top:-13px;left:-9px;transform:rotate(-8deg)}#site .tf2-hero-glasses{object-fit:contain;filter:drop-shadow(0 12px 9px #28364e1f);width:62%;height:70%;position:absolute;bottom:-4px;right:-5px;transform:rotate(8deg)}#site .tf2-hero-art figcaption{color:var(--tf2-muted);font-size:12px;position:absolute;bottom:2px;left:32px}#site .tf2-topic-nav{border-top:1px solid var(--tf2-rule);border-bottom:1px solid var(--tf2-rule);grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;padding-block:23px;display:grid}#site .tf2-topic-nav a{grid-template-columns:1fr auto;align-items:center;gap:4px 10px;display:grid}#site .tf2-topic-nav strong{font-family:var(--tf2-display);letter-spacing:-.3px;font-size:20px;font-weight:500}#site .tf2-topic-nav span{color:var(--tf2-muted);font-size:14px}#site .tf2-topic-nav i,#site .tf2-topic-nav svg{color:var(--tf2-accent);grid-area:1/2/3}#site .tf2-section{margin-top:var(--tf2-section)}#site .tf2-section-heading{justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:24px;display:flex}#site .tf2-section-heading h2{letter-spacing:-.85px;font-size:31px;line-height:1.16}#site .tf2-section-heading p{color:var(--tf2-muted);font-size:15px}#site .tf2-lead-grid{grid-template-columns:1.3fr 1fr;gap:34px;display:grid}#site .tf2-feature-art{background:var(--tf2-tint);border-radius:12px;justify-content:center;align-items:center;height:286px;margin-bottom:20px;display:flex;position:relative;overflow:hidden}#site .tf2-feature-art .tf2-glasses-main{object-fit:contain;width:95%;height:126%;transform:rotate(-9deg)}#site .tf2-feature-art .tf2-phone-small{object-fit:contain;width:31%;height:58%;position:absolute;bottom:-8px;right:13px}#site .tf2-label{color:var(--tf2-accent);margin-bottom:7px;font-size:14px;font-weight:600}#site .tf2-feature h3{letter-spacing:-.85px;max-width:490px;font-size:32px;line-height:1.12}#site .tf2-feature p{color:var(--tf2-muted);margin-top:12px;font-size:17px;line-height:1.5}#site .tf2-meta{color:var(--tf2-muted);flex-wrap:wrap;align-items:center;gap:8px 17px;margin-top:14px;font-size:13px;display:flex}#site .tf2-small-stack{flex-direction:column;gap:21px;display:flex}#site .tf2-story-row{grid-template-columns:114px minmax(0,1fr);align-items:start;gap:18px;display:grid}#site .tf2-story-row+.tf2-story-row{border-top:1px solid var(--tf2-rule);padding-top:21px}#site .tf2-thumb{background:var(--tf2-surface);border-radius:8px;justify-content:center;align-items:center;width:114px;height:117px;display:flex;overflow:hidden}#site .tf2-thumb img{object-fit:contain;width:98%;height:98%}#site .tf2-thumb.tf2-photo img{object-fit:cover;object-position:50% 50%;width:100%;height:100%}#site .tf2-story-row h3{letter-spacing:-.45px;font-size:22px;line-height:1.2}#site .tf2-story-row p{color:var(--tf2-muted);margin-top:8px;font-size:15px;line-height:1.43}#site .tf2-connect-band{background:var(--tf2-surface);border-radius:12px;grid-template-columns:.95fr 1.05fr;gap:35px;padding:33px 36px;display:grid}#site .tf2-connect-band h2{letter-spacing:-.85px;max-width:295px;font-size:30px;line-height:1.13}#site .tf2-connect-band p{color:var(--tf2-muted);max-width:330px;margin-top:13px}#site .tf2-connection-links{grid-template-columns:1fr 1fr;align-content:center;gap:12px;display:grid}#site .tf2-connection-links a{background:var(--tf2-paper);border-radius:7px;align-items:center;gap:10px;min-height:62px;padding:14px;font-size:15px;font-weight:600;display:flex}#site .tf2-connection-links a:hover{color:var(--tf2-accent)}#site .tf2-connection-links i,#site .tf2-connection-links svg{color:var(--tf2-accent);flex-shrink:0}#site .tf2-editorial-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;display:grid}#site .tf2-editorial-image{background:var(--tf2-surface);border-radius:10px;justify-content:center;align-items:center;height:182px;margin-bottom:16px;display:flex;position:relative;overflow:hidden}#site .tf2-editorial-image img{object-fit:contain;width:90%;height:110%}#site .tf2-editorial-image.tf2-photo img{object-fit:cover;width:100%;height:100%}#site .tf2-editorial-image.tf2-display-pair img:first-child{width:74%;height:102%;position:absolute;top:-15%;left:-1%}#site .tf2-editorial-image.tf2-display-pair img:last-child{width:44%;height:77%;position:absolute;bottom:-5%;right:0}#site .tf2-editorial-grid h3{letter-spacing:-.5px;font-size:23px;line-height:1.17}#site .tf2-editorial-grid p{color:var(--tf2-muted);margin-top:9px;font-size:16px;line-height:1.48}#site .tf2-comparison-banner{border-top:1px solid var(--tf2-rule);border-bottom:1px solid var(--tf2-rule);grid-template-columns:1.04fr .96fr;align-items:center;gap:26px;min-height:286px;padding-block:30px;display:grid}#site .tf2-comparison-banner h2{letter-spacing:-1.1px;margin-top:8px;font-size:37px;line-height:1.1}#site .tf2-comparison-banner p{color:var(--tf2-muted);max-width:390px;margin-block:14px 7px}#site .tf2-paired-headsets{grid-template-columns:1fr 1fr;align-items:center;gap:8px;min-width:0;display:grid}#site .tf2-paired-headsets figure{text-align:center;min-width:0}#site .tf2-paired-headsets img{object-fit:contain;width:100%;height:164px}#site .tf2-paired-headsets figcaption{color:var(--tf2-muted);margin-top:8px;font-size:13px}#site .tf2-standards-band{grid-template-columns:1fr 1.04fr;gap:45px;padding-block:2px 58px;display:grid}#site .tf2-standards-band h2{letter-spacing:-.9px;font-size:32px;line-height:1.13}#site .tf2-standards-band p{color:var(--tf2-muted);margin-bottom:10px;line-height:1.6}#site .tf2-footer{background:var(--tf2-surface);border-top:1px solid var(--tf2-rule)}#site .tf2-footer-top{grid-template-columns:1.65fr 1fr 1fr;gap:35px;padding-block:39px 34px;display:grid}#site .tf2-footer-intro p{max-width:245px;color:var(--tf2-muted);margin-top:10px;font-size:15px}#site .tf2-footer h3{margin:7px 0 10px;font-family:"Source Sans 3 Variable",sans-serif;font-size:15px;font-weight:600}#site .tf2-footer nav a{color:var(--tf2-muted);width:fit-content;padding-block:6px;font-size:15px;display:block}#site .tf2-footer-bottom{border-top:1px solid var(--tf2-rule);color:var(--tf2-muted);flex-wrap:wrap;justify-content:space-between;gap:16px;padding-block:20px;font-size:12px;display:flex}#site .tf2-footer-bottom a{text-underline-offset:3px;text-decoration:underline}#site .tf2-breadcrumb{color:var(--tf2-muted);flex-wrap:wrap;align-items:center;gap:9px;padding-top:28px;font-size:13px;display:flex}#site .tf2-breadcrumb a:hover{color:var(--tf2-accent)}#site .tf2-hub-hero{grid-template-columns:1.1fr .9fr;align-items:center;gap:35px;padding-block:30px 26px;display:grid}#site .tf2-hub-hero h1{letter-spacing:-2.5px;font-size:clamp(42px,5.7vw,62px);line-height:1.04}#site .tf2-hub-hero p{color:var(--tf2-muted);max-width:475px;margin-top:20px;font-size:19px;line-height:1.58}#site .tf2-hub-visual{background:var(--tf2-surface);border-radius:45% 45% 12px 12px;height:278px;overflow:hidden}#site .tf2-hub-visual img{object-fit:contain;width:100%;height:100%}#site .tf2-hub-visual.tf2-photo{border-radius:12px}#site .tf2-hub-visual.tf2-photo img{object-fit:cover;object-position:center 50%}#site .tf2-subnav{border-block:1px solid var(--tf2-rule);flex-wrap:wrap;gap:7px 27px;padding-block:12px;font-size:15px;font-weight:600;display:flex}#site .tf2-subnav a{align-items:center;min-height:42px;display:inline-flex}#site .tf2-subnav a:hover{color:var(--tf2-accent)}#site .tf2-hub-feature{grid-template-columns:1fr 1fr;align-items:center;gap:35px;display:grid}#site .tf2-hub-feature .tf2-feature-art{height:290px;margin:0}#site .tf2-hub-feature h2{letter-spacing:-1px;font-size:35px;line-height:1.1}#site .tf2-hub-feature p{color:var(--tf2-muted);margin-block:15px 10px}#site .tf2-reading-path{background:var(--tf2-surface);border-radius:12px;margin-bottom:56px;padding:31px 33px}#site .tf2-reading-path h2{letter-spacing:-.7px;font-size:29px}#site .tf2-reading-path ol{counter-reset:path;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:22px;padding:0;list-style:none;display:grid}#site .tf2-reading-path li{counter-increment:path}#site .tf2-reading-path li:before{content:counter(path);background:var(--tf2-paper);width:30px;height:30px;color:var(--tf2-accent);border-radius:50%;justify-content:center;align-items:center;margin-bottom:11px;font-size:14px;font-weight:600;display:flex}#site .tf2-reading-path h3{letter-spacing:-.3px;font-size:20px;line-height:1.25}#site .tf2-reading-path p{color:var(--tf2-muted);margin-block:8px 4px;font-size:15px}#site .tf2-page-intro{max-width:800px;padding-block:36px 33px}#site .tf2-page-intro h1{letter-spacing:-2px;font-size:clamp(39px,5.4vw,60px);line-height:1.055}#site .tf2-deck{color:var(--tf2-muted);max-width:725px;margin-top:20px;font-size:20px;line-height:1.58}#site .tf2-byline{color:var(--tf2-muted);flex-wrap:wrap;align-items:center;gap:11px 19px;margin-top:25px;font-size:14px;display:flex}#site .tf2-byline strong{color:var(--tf2-ink)}#site .tf2-byline a{text-underline-offset:3px;text-decoration:underline}#site .tf2-author-mark{background:var(--tf2-tint);color:var(--tf2-accent);border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;margin-right:-10px;font:500 15px/1 Outfit Variable,sans-serif;display:inline-flex}#site .tf2-article-media{background:var(--tf2-surface);border-radius:12px;justify-content:center;align-items:center;height:292px;display:flex;position:relative;overflow:hidden}#site .tf2-article-media img{object-fit:contain;width:78%;height:131%}#site .tf2-article-media.tf2-photo img{object-fit:cover;object-position:center 52%;width:100%;height:100%}#site .tf2-image-credit{color:var(--tf2-muted);margin-top:9px;font-size:12px}#site .tf2-article-grid{grid-template-columns:171px minmax(0,1fr);align-items:start;gap:39px;margin-top:37px;display:grid}#site .tf2-toc{border-left:2px solid var(--tf2-rule);padding-left:15px;font-size:14px}#site .tf2-toc summary{cursor:pointer;justify-content:space-between;align-items:center;gap:10px;min-height:44px;font-weight:600;list-style:none;display:flex}#site .tf2-toc summary::-webkit-details-marker{display:none}#site .tf2-toc[open] summary>svg{transform:rotate(180deg)}#site .tf2-toc a{min-height:44px;color:var(--tf2-muted);padding-block:9px;line-height:1.4;display:block}#site .tf2-toc a:hover{color:var(--tf2-accent)}#site .tf2-prose{min-width:0;max-width:680px;font-size:19px;line-height:1.66}#site .tf2-prose p{margin-bottom:20px}#site .tf2-prose h2{letter-spacing:-.75px;margin-block:34px 15px;font-size:30px;line-height:1.19}#site .tf2-prose h3{letter-spacing:-.4px;margin-block:23px 10px;font-size:23px;line-height:1.25}#site .tf2-prose a{color:var(--tf2-accent);text-underline-offset:4px;text-decoration:underline 1px}#site .tf2-prose ul,#site .tf2-prose ol{margin-block:12px 24px;padding-left:22px}#site .tf2-prose li{margin-bottom:10px;padding-left:4px}#site .tf2-answer{background:var(--tf2-tint);border-radius:9px;margin-bottom:28px;padding:23px 25px}#site .tf2-answer .tf2-answer-title{color:var(--tf2-accent);align-items:center;gap:8px;margin-bottom:7px;font-size:14px;font-weight:600;display:flex}#site .tf2-answer p{margin:0;font-size:19px;line-height:1.6}#site .tf2-table{border-collapse:collapse;table-layout:fixed;width:100%;margin-block:21px 24px;font-size:16px;line-height:1.5}#site .tf2-table td,#site .tf2-table th{text-align:left;border-bottom:1px solid var(--tf2-rule);vertical-align:top;overflow-wrap:anywhere;padding:15px 14px}#site .tf2-table thead th{background:var(--tf2-surface);font-weight:600}#site .tf2-table tbody th{font-weight:600}#site .tf2-table th:first-child{width:31%}#site .tf2-checklist{list-style:none;padding:0!important}#site .tf2-checklist li{align-items:flex-start;gap:11px;padding-left:0;display:flex}#site .tf2-checklist i,#site .tf2-checklist svg{color:var(--tf2-accent);flex:0 0 16px;margin-top:8px}#site .tf2-note{border-left:3px solid var(--tf2-accent);color:var(--tf2-muted);margin-block:25px;padding-left:19px;font-size:17px}#site .tf2-note p{margin:0}#site .tf2-prose details{border-top:1px solid var(--tf2-rule);padding-block:13px;font-size:17px}#site .tf2-prose summary{cursor:pointer;min-height:44px;padding-block:6px;font-weight:600}#site .tf2-prose details p{color:var(--tf2-muted);margin-block:10px 4px}#site .tf2-source-box{border-top:1px solid var(--tf2-rule);color:var(--tf2-muted);margin-top:30px;padding-top:21px;font-size:14px;line-height:1.6}#site .tf2-source-box strong{color:var(--tf2-ink)}#site .tf2-source-box ul{margin-block:8px 12px;padding-left:18px}#site .tf2-source-box li{margin-bottom:6px}#site .tf2-next-reading{border-top:1px solid var(--tf2-rule);margin-block:53px 56px;padding-top:27px}#site .tf2-next-reading h2{letter-spacing:-.7px;margin-bottom:22px;font-size:29px}#site .tf2-compare-hero{border:1px solid var(--tf2-rule);border-radius:12px;grid-template-columns:1fr 1fr;display:grid;overflow:hidden}#site .tf2-product{text-align:center;padding:26px 25px}#site .tf2-product+.tf2-product{border-left:1px solid var(--tf2-rule)}#site .tf2-product img{object-fit:contain;width:100%;height:214px}#site .tf2-product h2{letter-spacing:-.7px;margin-top:12px;font-size:29px}#site .tf2-product p{color:var(--tf2-muted);margin-top:5px;font-size:16px}#site .tf2-wide-prose{max-width:780px;margin:36px auto 56px}#site .tf2-choice-pair{grid-template-columns:1fr 1fr;gap:25px;margin-block:28px;display:grid}#site .tf2-choice{background:var(--tf2-surface);border-radius:9px;padding:22px}#site .tf2-choice h3{margin-top:0}#site .tf2-choice p{margin-bottom:0;font-size:17px}#site .tf2-principle{border-top:1px solid var(--tf2-rule);grid-template-columns:180px minmax(0,1fr);gap:35px;padding-block:28px;display:grid}#site .tf2-principle h2{letter-spacing:-.5px;font-size:25px;line-height:1.2}#site .tf2-principle p{color:var(--tf2-muted);font-size:18px;line-height:1.65}#site .tf2-definition-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:27px;margin-block:10px 40px;display:grid}#site .tf2-definition-grid h2{letter-spacing:-.5px;margin-block:14px 11px;font-size:25px}#site .tf2-definition-grid p{color:var(--tf2-muted);font-size:17px;line-height:1.62}#site .tf2-definition-grid .tf2-editorial-image{height:200px}#site .tf2-sr{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;position:absolute;overflow:hidden}@media (width<=900px){#site .tf2-header-inner{gap:18px}#site .tf2-main-nav{gap:16px;font-size:14px}#site .tf2-logo img{width:180px}#site .tf2-start-link{padding-inline:13px}#site .tf2-hero h1{letter-spacing:-2.5px;font-size:56px}#site .tf2-hero-art{height:334px}#site .tf2-lead-grid{grid-template-columns:1.18fr 1fr;gap:26px}#site .tf2-story-row{grid-template-columns:90px minmax(0,1fr);gap:14px}#site .tf2-thumb{width:90px;height:105px}#site .tf2-story-row h3{font-size:21px}#site .tf2-feature-art{height:263px}#site .tf2-article-grid{grid-template-columns:150px minmax(0,1fr);gap:28px}#site .tf2-connect-band{gap:25px;padding:27px}}@media (width<=800px){#site{--tf2-section:48px}#site .tf2-logo img{width:198px}#site .tf2-header-inner{flex-wrap:wrap;gap:0 17px;min-height:73px;padding-block:12px}#site .tf2-mobile-menu{display:inline-flex}#site .tf2-start-link{margin-left:0}#site .tf2-main-nav{border-top:1px solid var(--tf2-rule);flex-wrap:wrap;order:3;gap:12px 24px;width:100%;margin:11px 0 0;padding-top:6px;display:none}#site .tf2-main-nav.tf2-open{display:flex}#site .tf2-hero{grid-template-columns:1fr;gap:0;padding-block:24px 28px}#site .tf2-hero-copy{padding-block:7px 0}#site .tf2-hero h1{font-size:60px}#site .tf2-hero-copy p{max-width:460px;margin-top:18px}#site .tf2-hero-art{width:min(100%,470px);height:320px;margin:16px auto 0}#site .tf2-topic-nav{gap:15px}#site .tf2-topic-nav strong{font-size:18px}#site .tf2-topic-nav span{font-size:13px}#site .tf2-topic-nav i,#site .tf2-topic-nav svg{display:none}#site .tf2-topic-nav a{grid-template-columns:1fr}#site .tf2-lead-grid{grid-template-columns:1fr;gap:30px}#site .tf2-feature-art{height:285px}#site .tf2-feature h3{font-size:31px}#site .tf2-story-row{grid-template-columns:111px minmax(0,1fr);gap:20px}#site .tf2-thumb{width:111px;height:107px}#site .tf2-connect-band{grid-template-columns:1fr}#site .tf2-connect-band h2,#site .tf2-connect-band p{max-width:none}#site .tf2-editorial-grid{gap:22px}#site .tf2-editorial-image{height:140px}#site .tf2-editorial-grid h3{font-size:21px}#site .tf2-comparison-banner{grid-template-columns:1fr;gap:12px}#site .tf2-comparison-banner h2{font-size:33px}#site .tf2-paired-headsets{width:100%;max-width:450px;margin-inline:auto}#site .tf2-standards-band{gap:28px;padding-bottom:45px}#site .tf2-hub-hero{grid-template-columns:1fr .68fr;gap:20px}#site .tf2-hub-hero h1{letter-spacing:-1.6px;font-size:42px}#site .tf2-hub-hero p{font-size:17px}#site .tf2-hub-visual{height:235px}#site .tf2-hub-feature{gap:24px}#site .tf2-hub-feature .tf2-feature-art{height:245px}#site .tf2-hub-feature h2{font-size:30px}#site .tf2-reading-path{padding:27px}#site .tf2-reading-path ol{gap:20px}#site .tf2-article-grid{grid-template-columns:1fr;gap:26px}#site .tf2-toc{flex-wrap:wrap;gap:1px 20px;display:flex}#site .tf2-toc strong{width:100%;margin-bottom:2px}#site [data-article-toc]{flex-wrap:wrap;gap:0 20px;display:flex}#site .tf2-toc a{min-height:44px}#site .tf2-page-intro h1{letter-spacing:-1.6px;font-size:46px}#site .tf2-article-media{height:265px}#site .tf2-product{padding:20px}#site .tf2-product img{height:170px}#site .tf2-principle{grid-template-columns:150px minmax(0,1fr);gap:25px}#site .tf2-definition-grid{gap:20px}}@media (width<=500px){#site .tf2-header-inner>.tf2-start-link{display:none}#site .tf2-hero h1{letter-spacing:-2px;font-size:clamp(40px,12vw,48px)}#site .tf2-hero-copy p{font-size:18px}#site .tf2-hero-art{height:278px}#site .tf2-hero-art figcaption{font-size:11px;left:21px}#site .tf2-hero-headset{width:95%;height:83%;top:-3px}#site .tf2-hero-glasses{width:60%;right:-3px}#site .tf2-lens-backdrop{inset:13px 0 38px 10px}#site .tf2-topic-nav{grid-template-columns:1fr;gap:0;padding-block:4px}#site .tf2-topic-nav a{grid-template-columns:1fr auto;padding-block:15px}#site .tf2-topic-nav a+a{border-top:1px solid var(--tf2-rule)}#site .tf2-topic-nav strong{font-size:20px}#site .tf2-topic-nav span{font-size:14px}#site .tf2-topic-nav i,#site .tf2-topic-nav svg{display:block}#site .tf2-section-heading{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:20px}#site .tf2-section-heading h2{font-size:29px}#site .tf2-feature-art{height:225px}#site .tf2-story-row{grid-template-columns:96px minmax(0,1fr);gap:16px}#site .tf2-thumb{width:96px;height:116px}#site .tf2-story-row h3{font-size:21px}#site .tf2-story-row p{font-size:15px}#site .tf2-connect-band{padding:25px 22px}#site .tf2-connection-links{gap:10px}#site .tf2-connection-links a{gap:8px;padding:13px 10px;font-size:14px}#site .tf2-editorial-grid{grid-template-columns:1fr;gap:29px}#site .tf2-editorial-image{height:200px}#site .tf2-editorial-grid h3{font-size:26px}#site .tf2-standards-band{grid-template-columns:1fr;gap:19px}#site .tf2-standards-band h2{font-size:30px}#site .tf2-footer-top{grid-template-columns:1fr 1fr;gap:29px 22px}#site .tf2-footer-intro{grid-column:1/-1}#site .tf2-footer-intro p{max-width:300px}#site .tf2-footer nav a{padding-block:10px}#site .tf2-hub-hero{grid-template-columns:1fr;gap:22px;padding-block:29px}#site .tf2-hub-hero h1{font-size:44px}#site .tf2-hub-visual{height:219px}#site .tf2-hub-feature{grid-template-columns:1fr;gap:23px}#site .tf2-hub-feature .tf2-feature-art{height:229px}#site .tf2-reading-path{padding:25px 22px}#site .tf2-reading-path ol{grid-template-columns:1fr;gap:24px}#site .tf2-reading-path li{grid-template-columns:30px 1fr;gap:0 14px;display:grid}#site .tf2-reading-path li:before{grid-area:1/1/4}#site .tf2-reading-path h3,#site .tf2-reading-path p,#site .tf2-reading-path a{grid-column:2}#site .tf2-page-intro{padding-block:29px}#site .tf2-page-intro h1{letter-spacing:-1.3px;font-size:39px;line-height:1.08}#site .tf2-deck{margin-top:17px;font-size:18px}#site .tf2-byline{gap:9px 16px}#site .tf2-byline time{width:100%;margin-left:0}#site .tf2-article-media{height:219px}#site .tf2-article-media img{width:98%}#site .tf2-prose{font-size:18px}#site .tf2-prose h2{font-size:28px}#site .tf2-answer{padding:20px}#site .tf2-answer p{font-size:18px}#site .tf2-table{font-size:14px}#site .tf2-table td,#site .tf2-table th{padding:12px 8px}#site .tf2-table th:first-child{width:30%}#site .tf2-product{padding:17px 12px 22px}#site .tf2-product img{height:120px}#site .tf2-product h2{font-size:24px}#site .tf2-product p{font-size:14px}#site .tf2-choice-pair{grid-template-columns:1fr;gap:15px}#site .tf2-principle{grid-template-columns:1fr;gap:13px}#site .tf2-definition-grid{grid-template-columns:1fr;gap:30px}#site .tf2-definition-grid .tf2-editorial-image{height:230px}}#site .tf3-menu-hint{display:none}#site .tf3-mega-panel{background:var(--tf2-paper);border-block:1px solid var(--tf2-rule);position:absolute;top:100%;left:0;right:0;box-shadow:0 21px 30px -21px #19253959}#site .tf3-mega-grid{grid-template-columns:.92fr 1.12fr .95fr;align-items:start;gap:34px;padding-block:28px 30px;display:grid}#site .tf3-menu-overview h2{letter-spacing:-.7px;margin-top:4px;font-size:28px;line-height:1.12}#site .tf3-menu-overview p{color:var(--tf2-muted);max-width:230px;margin-block:13px 12px;font-size:16px;font-weight:400;line-height:1.55}#site .tf3-menu-overview .tf2-link{font-size:14px}#site .tf3-menu-links h3{color:var(--tf2-muted);margin:2px 0 9px;font:600 14px/1.4 "Source Sans 3 Variable",sans-serif}#site .tf3-menu-links a{min-height:48px;padding:10px 0;display:block}#site .tf3-menu-links a strong{font-size:16px;line-height:1.4;display:block}#site .tf3-menu-links a span{color:var(--tf2-muted);margin-top:3px;font-size:14px;font-weight:400;line-height:1.4;display:block}#site .tf3-menu-feature{border-left:1px solid var(--tf2-rule);padding-left:24px}#site .tf3-menu-feature-image{background:var(--tf2-surface);border-radius:9px;justify-content:center;align-items:center;height:139px;margin-bottom:14px;display:flex;overflow:hidden}#site .tf3-menu-feature-image img{object-fit:contain;width:100%;height:100%}#site .tf3-menu-feature-image.tf2-photo img{object-fit:cover;object-position:50% 48%}#site .tf3-menu-feature h3{letter-spacing:-.35px;font-size:21px;line-height:1.17}#site .tf3-menu-feature p{color:var(--tf2-muted);margin-top:7px;font-size:14px;font-weight:400;line-height:1.45}#site .tf3-menu-utility,#site .tf3-menu-close-icon{display:none}#site .tf2-mobile-menu[aria-expanded=true] .tf3-menu-close-icon{display:inline-block}#site .tf2-mobile-menu[aria-expanded=true] .tf3-menu-open-icon{display:none}#site .tf2-subnav a{min-height:44px}@media (width<=900px){#site .tf2-main-nav{gap:18px}#site .tf3-nav-trigger{gap:5px;font-size:14px}#site .tf3-mega-grid{gap:24px}#site .tf3-menu-feature{padding-left:19px}}@media (width<=800px){#site .tf2-header-inner{gap:0 16px;padding-block:13px}#site .tf2-header-inner>.tf2-start-link{display:none}#site .tf2-main-nav{gap:0;margin-top:13px;padding-top:0}#site .tf2-main-nav.tf2-open{display:block}#site .tf3-nav-group{border-bottom:1px solid var(--tf2-rule)}#site .tf3-nav-trigger{white-space:normal;text-align:left;justify-content:space-between;width:100%;min-height:79px;padding:17px 2px;display:flex}#site .tf3-nav-trigger>span>span:first-child{font:500 23px/1.22 var(--tf2-display);letter-spacing:-.45px;display:block}#site .tf3-menu-hint{color:var(--tf2-muted);margin-top:5px;font:400 14px/1.4 "Source Sans 3 Variable",sans-serif;display:block}#site .tf3-nav-trigger[aria-current=page]:after{display:none}#site .tf3-nav-trigger[aria-current=page]{color:var(--tf2-accent)}#site .tf3-mega-panel{box-shadow:none;border:0;position:static}#site .tf3-mega-grid{border-left:2px solid var(--tf2-tint);flex-direction:column;gap:5px;margin-left:2px;padding:0 0 19px 13px;display:flex}#site .tf3-menu-overview{order:2;width:100%}#site .tf3-menu-overview h2,#site .tf3-menu-overview p,#site .tf3-menu-feature,#site .tf3-menu-links h3{display:none}#site .tf3-menu-links{width:100%}#site .tf3-menu-links a{padding:12px 3px}#site .tf3-menu-links a strong{font-size:17px}#site .tf3-menu-links a span{font-size:14px}#site .tf3-menu-overview .tf2-link{min-height:48px;padding:10px 3px;font-size:15px}#site .tf3-menu-utility{flex-wrap:wrap;align-items:center;gap:12px 22px;padding-block:24px 12px;display:flex}#site .tf3-menu-utility p{width:100%;color:var(--tf2-muted);margin-bottom:2px;font-size:17px;font-weight:400}#site[data-mobile-menu-open=true]>main,#site[data-mobile-menu-open=true]>.tf2-footer{display:none}#site .tf2-toc{border:1px solid var(--tf2-rule);border-radius:8px;padding:6px 16px;display:block}#site .tf2-toc summary{font-size:16px}#site .tf2-toc [data-article-toc]{padding-bottom:7px;display:block}#site .tf2-toc a{padding-block:11px;font-size:15px}#site .tf2-breadcrumb{row-gap:4px;padding-top:23px}#site .tf2-article-grid{margin-top:27px}}@media (width<=600px){#site .tf2-editorial-grid{grid-template-columns:1fr;gap:26px}#site .tf2-editorial-grid>article{grid-template-columns:111px minmax(0,1fr);gap:0 17px;display:grid}#site .tf2-editorial-grid>article+article{border-top:1px solid var(--tf2-rule);padding-top:24px}#site .tf2-editorial-grid .tf2-editorial-image{grid-area:1/1/4;width:111px;height:120px;margin:0}#site .tf2-editorial-grid .tf2-label,#site .tf2-editorial-grid h3,#site .tf2-editorial-grid p{grid-column:2}#site .tf2-editorial-grid h3{font-size:23px;line-height:1.2}#site .tf2-editorial-grid .tf2-label{margin-bottom:6px;font-size:13px}#site .tf2-editorial-grid p{margin-top:8px;font-size:15px;line-height:1.5}#site .tf2-compare-table{display:block}#site .tf2-compare-table thead{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}#site .tf2-compare-table tbody{display:block}#site .tf2-compare-table tr{grid-template-columns:1fr 1fr;margin-bottom:15px;display:grid}#site .tf2-compare-table tbody th{background:var(--tf2-surface);border:0;grid-column:1/-1;width:auto;padding:11px 13px;font-size:16px;display:block}#site .tf2-compare-table tbody th:first-child{width:auto}#site .tf2-compare-table td{border-bottom:1px solid var(--tf2-rule);overflow-wrap:normal;padding:12px 13px 16px;font-size:16px;display:block}#site .tf2-compare-table td:before{content:attr(data-column-label);color:var(--tf2-muted);margin-bottom:5px;font-size:13px;display:block}#site .tf2-article-media{height:218px}#site .tf2-page-intro h1{font-size:clamp(35px,9.4vw,44px)}#site .tf2-page-intro{padding-block:25px 27px}}@media (width<=370px){#site .tf2-logo img{width:180px}#site .tf2-editorial-grid>article{grid-template-columns:88px minmax(0,1fr);gap:0 14px}#site .tf2-editorial-grid .tf2-editorial-image{width:88px;height:113px}#site .tf2-editorial-grid h3{font-size:21px}#site .tf2-connection-links{grid-template-columns:1fr}#site .tf2-connection-links a{min-height:51px;font-size:16px}#site .tf2-hero-art{height:250px}#site .tf2-table:not(.tf2-compare-table) th:first-child{width:36%}}#site .tf4-mobile-nav-host{display:none}@media (width<=800px){#site .tf2-header-inner{min-height:63px;padding-block:9px}#site .tf2-header{transition:transform .22s}#site .tf2-header[data-scroll-hidden=true]{transform:translateY(calc(-100% - 1px))}#site .tf2-header:has(:focus-visible){transition:none;transform:none}#site[data-mobile-menu-open=true] .tf2-header{transform:none}#site[data-mobile-menu-open=true] .tf4-mobile-nav-host{display:block}#site .tf4-mobile-nav-host .tf2-main-nav{border-top:0;margin-top:0}}@media (prefers-reduced-motion:reduce){#site .tf2-header{transition:none}}:root{color-scheme:light;--header-height:72px;color:#192539;background:#fff;font-family:"Source Sans 3 Variable",sans-serif}html{scroll-padding-top:calc(var(--header-height) + 16px)}body{margin:0}*{box-sizing:border-box}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline-offset:4px;border-radius:3px;outline:3px solid #3155df}.skip-link{color:#192539;z-index:100;background:#fff;padding:12px 18px;position:absolute;top:-100px;left:20px}.skip-link:focus{top:10px}#site{min-height:100vh}#site main{min-height:45vh}#site .tf2-header{position:sticky;top:0}#site .tf2-logo img{width:210px}#site .tf2-prose :is(h2,h3,h4,[id]){scroll-margin-top:calc(var(--header-height) + 16px)}#site .tf2-prose{min-width:0}#site .tf2-prose>.affiliate-disclosure{color:#526175;border-bottom:1px solid #e4e8ee;margin:0 0 24px;padding:0 0 16px;font-size:15px;line-height:1.55}#site .tf2-prose>.affiliate-disclosure a{color:inherit;text-underline-offset:3px;white-space:nowrap;text-decoration:underline}#site .tf2-prose img{max-width:100%;height:auto;margin:26px auto}#site .tf2-prose table{border-collapse:collapse;width:100%;max-width:100%;margin:26px 0;font-size:16px;display:block;overflow-x:auto}#site .tf2-prose th,#site .tf2-prose td{border-bottom:1px solid var(--tf2-rule);text-align:left;vertical-align:top;min-width:120px;padding:14px 16px}#site .tf2-prose thead{background:var(--tf2-surface)}#site .tf2-prose th{font-weight:600}#site .tf2-prose a{overflow-wrap:anywhere}#site .tf2-prose a.tf2-button{color:#fff;text-decoration:none}#site .tf2-prose>div>h2:first-child{margin-top:0}#site .tf2-prose svg{flex-shrink:0}#site .tf2-prose figure{margin-block:28px}#site .tf2-prose pre{max-width:100%;overflow-x:auto}#site .tf2-prose blockquote{border-left:3px solid var(--tf2-accent);margin:26px 0;padding:2px 24px}#site .tf2-prose figcaption{color:var(--tf2-muted);font-size:14px}#site .author-brand{width:28px;height:29px}#site .tf2-toc{top:calc(var(--header-height) + 20px);max-height:calc(100vh - var(--header-height) - 44px);align-self:start;overflow-y:auto}#site .tf2-toc a{overflow-wrap:anywhere;line-height:1.35}#site .tf2-byline{row-gap:10px}#site .article-photo img{object-fit:cover;object-position:50% 50%;width:100%;height:100%}#site .parent-context{border-top:1px solid var(--tf2-rule);margin-top:36px;padding-top:25px}#site .without-toc{max-width:800px;margin-inline:auto;display:block}#site .hub-intro{max-width:760px;margin:0 0 38px;font-size:19px;line-height:1.65}#site .hub-articles{gap:35px 28px;margin-bottom:65px}#site .hub-articles p{-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}#site .hub-articles .tf2-editorial-image{height:195px}#site .hub-articles img{object-fit:contain;width:92%;height:92%}#site .sitemap-page section{margin-bottom:50px}#site .sitemap-page h2{margin-bottom:20px;font-size:32px}#site .sitemap-page ul{columns:2;column-gap:40px;margin-top:20px;padding:0;list-style:none}#site .sitemap-page li{break-inside:avoid;margin-bottom:0}#site .sitemap-page li a{text-underline-offset:3px;padding:9px 0;text-decoration:underline;display:block}#site .author-heading{align-items:center;gap:26px;display:flex}#site .author-heading>img{border-radius:50%}#site .author-articles{margin-bottom:60px;padding:0;list-style:none}#site .author-articles li{border-top:1px solid var(--tf2-rule);padding:23px 0}#site .author-articles h2{margin-bottom:7px;font-size:25px}#site .author-articles time{color:var(--tf2-muted);font-size:15px}#site .not-found{padding-block:85px 100px}#site .not-found h1{letter-spacing:-2px;margin-bottom:22px;font-size:clamp(38px,6vw,65px);line-height:1.1}#site .not-found>p{max-width:570px;font-size:19px}#site .tf2-footer-bottom a{align-items:center;min-height:28px;display:inline-flex}#site .footer-policy-links{flex-wrap:wrap;gap:8px 22px;padding-bottom:24px;display:flex}#site .footer-policy-links a{color:var(--tf2-muted);align-items:center;min-height:44px;font-size:14px;display:inline-flex}#site .utility-prose{margin-bottom:65px}#site .no-script-nav{flex-wrap:wrap;gap:20px;padding-block:15px;display:flex}.no-js #site .tf2-main-nav,.no-js #site .tf2-mobile-menu{display:none}@media (width<=900px){#site .tf2-logo img{width:180px}}@media (width<=800px){#site .tf2-logo img{width:198px}#site .tf2-header-inner{flex-wrap:nowrap}#site .tf2-toc{max-height:none;position:static;overflow:visible}#site .tf2-prose table{font-size:16px}#site .tf2-prose th,#site .tf2-prose td{padding:12px 13px}#site .sitemap-page ul{columns:1}}@media (width<=600px){#site .hub-articles>article:not(:has(.tf2-editorial-image)){display:block}#site .hub-articles .tf2-editorial-image{height:120px}#site .tf2-prose .tf2-compare-table{overflow:visible}#site .tf2-prose .tf2-compare-table th,#site .tf2-prose .tf2-compare-table td{min-width:0}}@media (width<=370px){#site .tf2-logo img{width:180px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important}}