@import url('fonts.css');
:root{--blue:#007fad;--ink:#173647;--muted:#5e707b;--line:#d9e3e8;--pale:#eef6fa}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:26px}body{margin:0;color:var(--ink);font-family:'Source Sans 3',Arial,sans-serif;font-size:19px;line-height:1.65;background:#fff}a{color:#007ba7;text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:#004b6a}button,input{font:inherit}button,a,input{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #efaa35;outline-offset:4px}.wrap{width:min(1240px,calc(100% - 56px));margin:auto}.topbar{border-bottom:1px solid var(--line);padding:7px 0;font-size:14px;color:var(--muted)}.topbar .wrap{display:flex;justify-content:space-between;gap:14px}.topbar a{color:var(--muted);margin-left:20px}.mast{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:25px 0}.brand{text-decoration:none;display:flex;gap:13px;align-items:center;color:var(--blue)}.brand svg{width:55px;height:58px}.brand strong{font-family:'Barlow Condensed',Arial,sans-serif;font-size:36px;line-height:1;display:block}.brand small{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:#587487}.nav{display:flex;align-items:center;gap:26px;flex-wrap:wrap}.nav a{color:#243b48;font-family:'Barlow Condensed',Arial,sans-serif;font-size:22px;font-weight:600;text-decoration:none}.nav a:hover{color:var(--blue)}.hero{position:relative;min-height:490px;background:linear-gradient(90deg,rgba(12,38,55,.92),rgba(12,38,55,.1)),var(--hero) center 52%/cover;color:white;display:flex;align-items:center}.hero{background-color:#173647;background-size:cover;background-repeat:no-repeat;background-position:center 52%}.hero .wrap{padding:65px 0}.kicker{text-transform:uppercase;letter-spacing:2px;font-size:13px;font-weight:700;color:var(--blue)}.hero .kicker{color:#8cd8f1}.hero h1{font-family:'Barlow Condensed',Arial,sans-serif;font-size:64px;line-height:1.04;max-width:650px;font-weight:600;margin:14px 0 25px}.hero p{max-width:530px;font-size:21px}.button,button{display:inline-block;background:var(--blue);color:white;border:0;padding:12px 24px;font-weight:700;text-decoration:none;cursor:pointer;border-radius:2px}.button:hover,button:hover{color:white;background:#005f86}.hero .button{background:white;color:#143d51}.credit-strip{font-size:12px;text-align:right;padding:7px 18px;color:#607582;background:#f5f8fa}.section{padding:65px 0}.section h2,h1,h2,h3{font-family:'Barlow Condensed',Arial,sans-serif;line-height:1.15}h2{font-size:36px;margin:0 0 22px}h3{font-size:27px;margin:0 0 15px}.intro{display:grid;grid-template-columns:1.1fr 1fr;gap:65px;border-bottom:1px solid var(--line)}.intro p{margin-top:0;color:var(--muted)}.topiclinks{display:grid;gap:0}.topiclinks a{padding:13px 0;border-bottom:1px solid var(--line);font-family:'Barlow Condensed',Arial,sans-serif;font-size:25px;text-decoration:none;display:flex;justify-content:space-between}.sectionhead{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}.sectionhead h2{margin:0}.sectionhead p{font-size:16px;color:var(--muted);margin:0}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.card{border-bottom:3px solid var(--blue);padding-bottom:22px}.card img{width:100%;height:210px;object-fit:cover;display:block}.card .kicker{display:block;margin-top:22px;font-size:12px}.card h3{margin:9px 0 13px;font-size:31px}.card h3 a{color:var(--ink);text-decoration:none}.card p{font-size:17px;color:var(--muted);line-height:1.5}.card .read{font-size:15px;text-transform:uppercase;font-weight:700}.blueband{background:var(--pale);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.searchform{display:flex;gap:10px;max-width:750px;margin-top:24px}.searchform label{flex:1}.searchform input{width:100%;padding:13px 16px;border:1px solid #a6bfcd;border-radius:2px;background:#fff}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}#search-results{margin-top:25px}.result{padding:14px 0;border-top:1px solid var(--line)}.result a{font-size:24px;font-family:'Barlow Condensed',Arial,sans-serif}.crumb{font-size:14px;color:var(--muted);padding-top:24px}.article-head{padding:26px 0 35px;max-width:900px}.article-head h1{font-size:55px;margin:15px 0 20px;letter-spacing:-.3px}.deck{font-size:24px;color:#556c7b;line-height:1.4}.meta{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:17px;margin-top:25px}.article-grid{display:grid;grid-template-columns:minmax(0,800px) 290px;gap:80px;align-items:start}.article-body h2{font-size:34px;margin-top:48px;margin-bottom:20px}.article-body p{margin:0 0 21px}.article-body figure{margin:34px 0}.article-body figure img{display:block;width:100%;height:auto;border-radius:2px}.article-body figure[data-media-type=photo] img{max-height:540px;object-fit:contain;background:#edf3f6}.article-body figcaption{font-size:14px;line-height:1.5;margin-top:12px;color:#58707e}.diagram img{max-width:640px;margin:auto}.toc{background:#f3f7f9;padding:24px;font-size:16px;border-top:4px solid var(--blue)}.toc h2{font-size:25px}.toc ol{padding-left:19px}.toc li{margin-bottom:12px}.toc a{color:#33586c}.side-note{margin-top:24px;padding:20px;border:1px solid var(--line);font-size:15px}.side-note strong{display:block;margin-bottom:8px}.sourcebox{border-top:1px solid var(--line);margin-top:48px;padding-top:30px;font-size:16px}.sourcebox h2{font-size:29px}.sourcebox li{margin:12px 0}.disclosure{background:#eef6fa;border-left:4px solid var(--blue);padding:18px 23px;font-size:15px;margin:24px 0}.product{border:1px solid var(--line);padding:24px;margin:35px 0;text-align:center;background:#f8fbfc}.product img{display:block;max-width:420px;width:100%;height:auto;margin:0 auto 15px}.product .button{min-width:240px}.product p{font-size:13px;margin:10px 0 0}.product h3{font-size:27px}.table-scroll{overflow-x:auto;max-width:100%;border:1px solid var(--line);margin:28px 0}table{border-collapse:collapse;width:100%;min-width:580px;font-size:16px}th,td{text-align:left;padding:13px;border-bottom:1px solid var(--line)}th{background:#e8f3f8}footer{background:#102e40;color:#cfdee7;padding:45px 0;margin-top:60px;font-size:15px}footer a{color:#b2e5f5}footer .wrap{display:flex;justify-content:space-between;gap:35px}.document{max-width:850px;padding:40px 0}.document h1{font-size:49px}.document h2{font-size:31px;margin-top:38px}.note{color:var(--muted);font-size:15px}.related{margin-top:45px}.related a{display:block;margin:12px 0} .pill{display:inline-block;color:var(--blue);background:#eaf5fa;padding:5px 10px;font-size:12px;font-weight:700;letter-spacing:1px}
@media(max-width:900px){.mast{align-items:flex-start;flex-direction:column;gap:22px}.nav{gap:20px}.article-grid{grid-template-columns:minmax(0,1fr);gap:35px}.article-grid aside{order:-1}.toc{padding:20px}.toc ol{columns:2}.side-note{display:none}.hero h1{font-size:54px}.intro{gap:30px}.grid{gap:20px}.card img{height:170px}.card h3{font-size:27px}}@media(max-width:600px){body{font-size:18px}.wrap{width:calc(100% - 36px)}.topbar .wrap{display:block}.topbar a{margin-left:0;margin-right:16px}.topbar .topnote{display:none}.mast{padding:22px 0}.brand strong{font-size:31px}.brand svg{width:44px;height:48px}.nav{gap:12px 21px}.nav a{font-size:20px}.hero{min-height:480px;background-position:60% center}.hero h1{font-size:49px}.hero p{font-size:19px}.hero .wrap{padding:45px 0}.credit-strip{text-align:left;padding:10px 18px}.intro,.grid{grid-template-columns:1fr}.intro{gap:30px}.section{padding:43px 0}.sectionhead{display:block}.sectionhead p{margin-top:13px}.card{margin-bottom:15px}.card img{height:245px}.card h3{font-size:31px}.searchform{flex-wrap:wrap}.searchform label{flex-basis:100%}.searchform button{flex:1}.article-head h1{font-size:43px}.article-head{padding-top:20px}.deck{font-size:22px}.toc ol{columns:1}.article-body h2{font-size:31px}.product{padding:20px 12px}.product .button{min-width:0;width:100%}footer .wrap{display:block}footer nav{margin-top:20px}.document h1{font-size:40px}}