/* Operating pages: retain the editorial black-and-white design without scripts. */
.site-info-page{overflow-wrap:break-word}.site-info-page .info-stage-bar a{font-size:10px;text-decoration:underline;text-underline-offset:3px}.info-main-nav{display:flex;align-items:center;justify-content:flex-end;gap:26px;flex-wrap:wrap}.info-main-nav a{font:600 19px/1.2 var(--display);padding:9px 0;min-height:38px}.info-main-nav a:hover{text-decoration:underline;text-underline-offset:6px}.info-page-nav{display:flex;gap:30px;border-bottom:1px solid #d4d4d0;min-height:59px;align-items:stretch}.info-page-nav a{display:flex;align-items:center;gap:25px;padding:17px 0;font-size:10px;font-weight:800;letter-spacing:.7px;border-bottom:3px solid transparent}.info-page-nav a span{font-size:14px}.info-page-nav a[aria-current=page]{border-bottom-color:#111}.info-page-nav a:hover{color:#626262}.info-main{padding-top:47px;padding-bottom:70px}.info-hero{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(240px,.7fr);gap:70px;align-items:end;padding-bottom:36px}.info-hero h1{font-size:clamp(58px,6.3vw,89px);line-height:.94;letter-spacing:-1.3px;margin:17px 0 24px;max-width:900px}.info-dek{max-width:730px;font-size:15px;line-height:1.8;color:#535353}.info-hero-aside{border-left:1px solid #cfcfcc;padding:10px 0 10px 28px}.info-hero-aside strong{display:block;font:600 34px/1.08 var(--display);margin:15px 0 14px}.info-hero-aside p{font-size:12px;line-height:1.8;color:#636363;max-width:310px}.info-edition{display:flex;justify-content:space-between;flex-wrap:wrap;gap:11px;padding:17px 0;border-block:2px solid #111;font-size:9px;letter-spacing:.7px;line-height:1.6;color:#606060}.info-edition b,.info-edition time{color:#111}.info-principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;padding:30px 0;border-bottom:1px solid #d7d7d2}.info-principles>div+div{border-left:1px solid #d7d7d2;padding-left:28px}.info-principles strong{font:600 29px/1.1 var(--display);display:block;margin:12px 0 10px}.info-principles p{font-size:12px;line-height:1.75;color:#616161;max-width:300px}.info-layout{display:grid;grid-template-columns:245px minmax(0,850px);gap:74px;justify-content:space-between;align-items:start;padding-top:50px}.info-sidebar{position:sticky;top:24px;min-width:0}.info-sidebar nav>.eyebrow{font-size:9px;color:#777}.info-sidebar ol{list-style:none;margin:17px 0 0;padding:0}.info-sidebar li{border-bottom:1px solid #ddd}.info-sidebar li:first-child{border-top:1px solid #ddd}.info-sidebar nav a{display:flex;gap:13px;padding:14px 0;font-size:12px;line-height:1.65;font-weight:600;min-height:46px}.info-sidebar nav a span{font:500 18px/1.15 var(--display);color:#888;flex:0 0 20px;padding-top:2px}.info-sidebar nav a:hover{text-decoration:underline;text-underline-offset:4px}.info-sidebar-note{margin-top:30px;background:#f2f2ef;padding:21px 18px}.info-sidebar-note p{font:600 23px/1.12 var(--display);margin:10px 0 15px}.info-email{overflow-wrap:anywhere;text-decoration:underline;text-underline-offset:4px}.info-sidebar-note .info-email{display:block;font-size:11px;font-weight:700;line-height:1.8}.info-sidebar-note small{display:block;margin-top:14px;font-size:10px;line-height:1.8;color:#666}.info-body{min-width:0}.info-section{padding-bottom:35px;margin-bottom:35px;border-bottom:1px solid #d8d8d4;scroll-margin-top:26px}.info-section:last-child{margin-bottom:0;border-bottom:0;padding-bottom:0}.info-section-heading{display:flex;align-items:baseline;gap:16px;margin-bottom:23px}.info-section-heading>span{font:500 21px var(--display);color:#969696;flex:0 0 26px}.info-section h2{font-size:40px;line-height:1.08;letter-spacing:-.35px}.info-section p,.info-section>ul,.info-section>ol{font-size:14px;line-height:1.85;color:#535353;margin:0 0 18px}.info-section p:last-child{margin-bottom:0}.info-section p>b,.info-section p>strong,.info-section li>b{color:#171717;font-weight:650}.info-section p a:not(.info-email){color:#111;text-decoration:underline;text-underline-offset:3px}.info-section>ul,.info-section>ol{padding-left:21px}.info-section>ul li+li,.info-steps li+li{margin-top:9px}.info-notice{padding:22px 24px;border-left:4px solid #111;background:#f1f1ee;margin:24px 0}.info-notice>b{display:block;font-size:12px;margin-bottom:9px;color:#111}.info-notice p{font-size:12px;line-height:1.85;margin-bottom:0}.info-links{display:flex;flex-wrap:wrap;gap:13px 25px;margin-top:22px}.info-links a,.info-inline-link{display:inline-flex;align-items:center;min-height:40px;font-size:10px;line-height:1.7;letter-spacing:.4px;font-weight:800;text-decoration:underline;text-underline-offset:5px}.info-measurement-list{background:#f4f4f1;padding:24px;margin:23px 0}.info-measurement-list h3{font-size:28px;margin-bottom:15px}.info-measurement-list ul{display:grid;grid-template-columns:1fr 1fr;gap:11px 28px;padding-left:17px;margin:0 0 19px;font-size:12px;line-height:1.65;font-weight:600}.info-measurement-list p{font-size:12px}.info-retention{border-top:2px solid #111;margin:25px 0}.info-retention article{display:grid;grid-template-columns:105px minmax(0,1fr);gap:25px;border-bottom:1px solid #d4d4d0;padding:24px 0}.info-retention-number{font:600 56px/.95 var(--display);color:#111}.info-retention-number span{display:block;font:800 9px var(--body);letter-spacing:1px;margin-top:9px;color:#777}.info-retention h3{font-size:27px;margin-bottom:9px}.info-retention p{font-size:12px;line-height:1.85}.info-about-banner{display:grid;grid-template-columns:190px minmax(0,1fr) auto;gap:25px;background:#0b0b0b;color:#fff;padding:34px 35px;margin-top:30px;align-items:start}.info-about-banner>.eyebrow{font-size:9px;color:#aaa;line-height:1.8;padding-top:6px}.info-about-banner>p{font:500 36px/1.16 var(--display);color:#aaa}.info-about-banner strong{font-weight:600;color:#fff}.info-about-banner>a{align-self:end;display:flex;gap:28px;font-size:9px;font-weight:700;line-height:1.8;padding-bottom:5px;border-bottom:1px solid #777;min-height:35px}.info-method{list-style:none!important;padding:0!important}.info-method li{display:grid;grid-template-columns:35px minmax(0,1fr);gap:18px;padding:23px 0;border-bottom:1px solid #dededb}.info-method li:first-child{padding-top:0}.info-method li:last-child{border-bottom:0}.info-method li>span{font:500 30px/1 var(--display);color:#999;padding-top:3px}.info-method h3{font-size:29px;margin-bottom:11px}.info-method p{font-size:13px;line-height:1.85;margin:0}.info-tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid #ccc;border-left:1px solid #ccc;margin:24px 0}.info-tool-grid>a{padding:25px 23px;border-right:1px solid #ccc;border-bottom:1px solid #ccc;display:flex;flex-direction:column;align-items:flex-start;transition:background .15s}.info-tool-grid>a:hover{background:#f2f2ef}.info-tool-grid .eyebrow{font-size:8px;line-height:1.8;color:#777;letter-spacing:.6px}.info-tool-grid h3{font-size:31px;line-height:1;margin:12px 0 14px}.info-tool-grid p{font-size:12px;line-height:1.8;margin-bottom:21px}.info-card-action{font-size:9px;font-weight:800;letter-spacing:.2px;margin-top:auto;border-bottom:1px solid #111;padding-bottom:5px;line-height:1.7}.info-operator-card{border:1px solid #d1d1cd;border-top:4px solid #111;padding:27px;margin-bottom:23px}.info-operator-card>.eyebrow{font-size:9px;color:#777}.info-operator-card h3{font-size:36px;margin:12px 0 24px}.info-operator-card dl{margin:0}.info-operator-card dl>div{display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;padding:14px 0;border-top:1px solid #ddd;font-size:12px;line-height:1.7}.info-operator-card dt{color:#777}.info-operator-card dd{margin:0;font-weight:600}.site-info-page .info-footer{padding:0;background:#090909;color:#fff}.info-footer-top{display:grid;grid-template-columns:1.3fr 1fr;gap:70px;padding:40px 0}.info-footer-top .eyebrow{font-size:9px;color:#969696;line-height:1.8}.info-footer-top strong{display:block;font:600 38px/1.06 var(--display);margin-top:16px;letter-spacing:.1px}.info-footer-operator{padding-left:34px;border-left:1px solid #363636;align-self:center}.info-footer-operator>b{display:block;font:600 29px/1.2 var(--display);margin:14px 0 12px}.info-footer-operator .info-email{font-size:12px;line-height:1.8}.info-footer-operator p{font-size:11px;line-height:1.8;color:#999;margin-top:14px;max-width:330px}.info-footer-bottom{border-top:1px solid #343434;padding:20px 0 23px;display:flex;gap:22px;align-items:baseline;justify-content:space-between}.info-footer-bottom nav{display:flex;gap:17px;flex-wrap:wrap}.info-footer-bottom a{font-size:10px;line-height:1.8;min-height:24px}.info-footer-bottom a:hover,.info-footer-bottom a[aria-current=page]{text-decoration:underline;text-underline-offset:3px}.info-footer-bottom p{font-size:9px;line-height:1.8;color:#888;text-align:right;max-width:270px}.site-info-page :focus-visible{outline:3px solid #555;outline-offset:5px}.site-info-page .masthead :focus-visible,.info-footer :focus-visible,.info-about-banner :focus-visible{outline-color:#fff}
@media(max-width:1100px){.info-layout{grid-template-columns:215px minmax(0,1fr);gap:45px}.info-hero{gap:35px;grid-template-columns:minmax(0,1.6fr) minmax(220px,.8fr)}.info-main-nav{gap:20px}.info-main-nav a{font-size:17px}.info-about-banner{grid-template-columns:140px minmax(0,1fr)}.info-about-banner>a{grid-column:2;justify-self:start}.info-section h2{font-size:36px}.info-hero h1{font-size:70px}.info-footer-top{gap:40px}}
@media(max-width:800px){.info-masthead{flex-wrap:wrap;gap:18px}.info-main-nav{justify-content:flex-start;gap:22px}.info-main-nav a{font-size:16px}.info-hero{grid-template-columns:1fr;gap:25px}.info-hero h1{font-size:68px;max-width:700px}.info-hero-aside{border-left:0;border-top:1px solid #ddd;padding:22px 0 0;display:grid;grid-template-columns:160px minmax(0,1fr);gap:7px 25px}.info-hero-aside>.eyebrow{grid-row:1/3;align-self:start;line-height:1.8}.info-hero-aside strong{margin:0 0 4px;font-size:29px}.info-hero-aside p{max-width:500px;grid-column:2}.info-layout{grid-template-columns:1fr;gap:35px;padding-top:35px}.info-sidebar{position:static}.info-sidebar ol{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.info-sidebar li:first-child{border-top:0}.info-sidebar-note{display:none}.info-section h2{font-size:39px}.info-body{max-width:760px}.info-footer-bottom{display:block}.info-footer-bottom p{text-align:left;margin-top:13px;max-width:none}.info-page-nav{gap:27px}.info-page-nav a{gap:15px}.info-about-banner>p{font-size:33px}}
@media(max-width:520px){.info-main{padding-top:28px;padding-bottom:43px}.info-stage-bar{align-items:flex-start;gap:13px}.site-info-page .info-stage-bar>span:first-child{font-size:7px;line-height:1.6;letter-spacing:.5px;max-width:115px}.site-info-page .info-stage-bar a{font-size:8px;line-height:1.6;text-align:right;max-width:125px}.info-masthead{padding-block:20px 12px;gap:17px}.info-main-nav{width:100%;gap:0;justify-content:space-between;border-top:1px solid #353535;padding-top:6px}.info-main-nav a{font-size:14px;letter-spacing:.1px;padding:9px 0}.info-page-nav{gap:0;justify-content:space-between;min-height:53px}.info-page-nav a{font-size:8px;letter-spacing:.3px;gap:8px;padding:14px 0}.info-page-nav a span{font-size:11px}.info-hero{gap:25px;padding-bottom:25px}.info-hero>.eyebrow,.info-hero>div>.eyebrow{font-size:8px;line-height:1.7;letter-spacing:.6px}.info-hero h1{font-size:clamp(46px,12.8vw,63px);letter-spacing:-.65px;margin:15px 0 19px}.info-dek{font-size:13px;line-height:1.85}.info-hero-aside{grid-template-columns:1fr;gap:0;padding-top:20px}.info-hero-aside>.eyebrow{grid-row:auto;font-size:8px;letter-spacing:.7px}.info-hero-aside strong{font-size:28px;margin:9px 0 10px}.info-hero-aside p{grid-column:auto;font-size:11px;line-height:1.8}.info-edition{font-size:8px;letter-spacing:.3px;gap:6px;padding:12px 0;flex-direction:column}.info-principles{grid-template-columns:1fr;gap:20px;padding:23px 0}.info-principles>div+div{border-left:0;border-top:1px solid #ddd;padding:18px 0 0}.info-principles .eyebrow{font-size:8px}.info-principles strong{font-size:26px;margin:9px 0 7px}.info-principles p{font-size:11px;max-width:320px}.info-layout{padding-top:27px;gap:29px}.info-sidebar ol{grid-template-columns:1fr;gap:0;margin-top:13px}.info-sidebar nav a{font-size:11px;padding:11px 0;min-height:43px}.info-sidebar nav a span{font-size:17px}.info-section{padding-bottom:28px;margin-bottom:28px}.info-section-heading{gap:12px;margin-bottom:18px}.info-section-heading>span{flex-basis:20px;font-size:18px}.info-section h2{font-size:31px;line-height:1.1;letter-spacing:0}.info-section p,.info-section>ul,.info-section>ol{font-size:13px;line-height:1.85;margin-bottom:17px}.info-notice{padding:18px 17px;margin:20px 0}.info-notice p{font-size:11px}.info-notice>b{font-size:11px;line-height:1.7}.info-links{gap:9px 20px;margin-top:15px}.info-links a,.info-inline-link{font-size:9px;line-height:1.8;min-height:42px}.info-measurement-list{padding:20px 18px;margin:20px 0}.info-measurement-list h3{font-size:25px}.info-measurement-list ul{grid-template-columns:1fr;gap:8px;font-size:11px}.info-measurement-list p{font-size:11px}.info-retention article{grid-template-columns:67px minmax(0,1fr);gap:17px;padding:21px 0}.info-retention-number{font-size:46px}.info-retention-number span{font-size:8px;letter-spacing:.8px;margin-top:7px}.info-retention h3{font-size:25px;line-height:1.1;margin-bottom:9px}.info-retention p{font-size:11px;line-height:1.85}.info-about-banner{grid-template-columns:1fr;gap:17px;padding:25px 23px;margin-top:25px}.info-about-banner>.eyebrow{padding-top:0;font-size:8px}.info-about-banner>p{font-size:31px;line-height:1.2}.info-about-banner>a{grid-column:auto;justify-self:start;font-size:8px;gap:25px;margin-top:7px}.info-method li{grid-template-columns:25px minmax(0,1fr);gap:12px;padding:20px 0}.info-method li>span{font-size:25px}.info-method h3{font-size:26px;line-height:1.1;margin-bottom:10px}.info-method p{font-size:12px;line-height:1.85}.info-tool-grid{grid-template-columns:1fr;margin:20px 0}.info-tool-grid>a{padding:23px 20px}.info-tool-grid h3{font-size:29px}.info-tool-grid p{font-size:12px}.info-card-action{font-size:9px}.info-operator-card{padding:23px 18px}.info-operator-card h3{font-size:31px;line-height:1.05;margin-bottom:20px}.info-operator-card dl>div{grid-template-columns:1fr;gap:5px;padding:13px 0;font-size:11px}.info-footer-top{grid-template-columns:1fr;gap:29px;padding:32px 0}.info-footer-top strong{font-size:34px;margin-top:13px}.info-footer-operator{padding:23px 0 0;border-left:0;border-top:1px solid #363636}.info-footer-operator>b{font-size:27px;margin:12px 0 10px}.info-footer-operator .info-email{font-size:11px}.info-footer-operator p{font-size:10px;margin-top:12px}.info-footer-bottom{padding-block:16px 20px}.info-footer-bottom nav{gap:7px 18px}.info-footer-bottom a{font-size:9px;min-height:30px;display:inline-flex;align-items:center}.info-footer-bottom p{font-size:8px}}
@media(max-width:350px){.info-hero h1{font-size:43px;letter-spacing:-.4px}.info-main-nav a{font-size:13px}.info-page-nav a{font-size:7px;gap:5px}.info-hero-aside strong{font-size:26px}.info-about-banner>p{font-size:28px}.info-section h2{font-size:29px}.info-retention article{grid-template-columns:58px minmax(0,1fr);gap:13px}.info-retention h3{font-size:23px}}
@media(prefers-reduced-motion:reduce){.info-tool-grid>a{transition:none}}
@media print{.info-stage-bar,.info-main-nav,.info-page-nav,.info-sidebar,.info-footer,.skip-link{display:none}.info-main{padding:0;max-width:none}.info-masthead{background:#fff;color:#111;border-bottom:1px solid #111}.brand-mark span{background:#fff}.info-hero{display:block}.info-hero h1{font-size:42px}.info-hero-aside{margin-top:20px}.info-layout{display:block;padding-top:25px}.info-body{max-width:none}.info-section{break-inside:avoid}.info-about-banner{background:#fff;color:#111;border:2px solid #111}.info-about-banner>p,.info-about-banner strong{color:#111}.info-email{overflow-wrap:anywhere}}