:root{--blue:#092f68;--gold:#9c8b59;--ink:#172c48;--muted:#58667a;--line:#d7dfea;--soft:#eef2f8;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff;font-size:16px}
*{box-sizing:border-box}body{margin:0;line-height:1.6}a{color:var(--blue);text-underline-offset:.2em}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:4px}.shell{width:min(1160px,calc(100% - 64px));margin-inline:auto}.site-header{border-bottom:1px solid var(--line);border-top:5px solid var(--gold)}.header-inner{min-height:104px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:16px;text-decoration:none;font-size:1.65rem;font-weight:700;line-height:1.15;color:var(--blue)}.brand img{object-fit:contain}.brand-name{display:block;font-size:.875rem;font-weight:500;margin-top:5px}.site-header nav{display:flex;align-items:center;gap:28px;font-size:.9375rem}.site-header nav a{text-decoration:none}.site-header nav form{margin:0}.nav-button{background:none;border:0;color:var(--blue);padding:0}.nav-login{border:1px solid var(--blue);padding:9px 22px;border-radius:3px}.skip-link{position:absolute;top:-100px;left:12px;padding:10px;background:var(--blue);color:white;z-index:2}.skip-link:focus{top:8px}
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:72px;padding:76px 0 68px;align-items:center}.eyebrow{color:#756335;text-transform:uppercase;letter-spacing:.1em;font-size:.8rem;font-weight:700;margin:0 0 20px}h1,h2,h3{line-height:1.15;letter-spacing:-.025em;font-weight:650;margin-top:0}h1{font-size:clamp(2.8rem,5vw,4.35rem);margin-bottom:25px}h2{font-size:1.7rem}h3{font-size:1.2rem}.lead{font-size:1.12rem;line-height:1.7;color:var(--muted);max-width:590px;margin-bottom:30px}.actions{display:flex;flex-wrap:wrap;gap:12px}.button{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;padding:13px 22px;border-radius:3px;font-size:.9375rem;font-weight:600;border:1px solid transparent;min-height:48px}.primary{background:var(--blue);color:#fff}.primary:hover{background:#164783}.secondary{background:#fff;border-color:var(--line);color:var(--blue)}.secondary:hover{border-color:var(--blue)}.quiet{font-size:.875rem;color:var(--muted);line-height:1.65;margin-top:20px}.coverage{background:var(--blue);color:white;padding:32px;border-radius:4px;border-top:5px solid var(--gold)}.coverage .eyebrow{color:#d4c18b}.coverage>p:last-child{font-size:.875rem;line-height:1.6;color:#c7d3e4;margin:26px 0 0}.country-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.country-grid>div{border-bottom:1px solid #45608a;padding:0 0 16px}.country-grid span{font-size:.8125rem;letter-spacing:.1em;color:#b8c8dd}.country-grid h2{font-size:1.4rem;margin:8px 0 0}.ways{display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:48px;padding:48px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.ways h2{margin:0}.ways p{color:var(--muted)}.ways .eyebrow{margin-bottom:14px}.section-number{font-size:.875rem;letter-spacing:.1em;color:#756335;display:block;margin-bottom:20px}.definition{display:grid;grid-template-columns:1fr 2fr;gap:50px;padding:42px 0}.definition h2{font-size:1.2rem;padding-top:5px}.definition p{margin:0;color:var(--muted)}
.split-page{display:grid;grid-template-columns:1fr 1fr;gap:96px;align-items:start;padding:70px 0 80px}.page-intro h1{font-size:clamp(2.5rem,4.5vw,3.8rem)}.page-intro{padding-top:18px}.form-card{background:var(--soft);padding:34px;border:1px solid var(--line);border-radius:4px}.form-card h2{font-size:1.5rem;margin-bottom:24px}.form-card label{display:block;font-size:.9375rem;font-weight:600;margin:18px 0 7px}.form-card input,.form-card select,.form-card textarea{display:block;width:100%;min-height:48px;border:1px solid #aebcd0;border-radius:3px;padding:10px 12px;background:white;color:var(--ink)}.form-card textarea{resize:vertical}.form-card .button{margin-top:26px;width:100%}.optional{font-weight:400;color:var(--muted)}.text-button{display:block;margin:16px auto 0;background:none;border:0;padding:6px;color:var(--blue);text-decoration:underline;text-underline-offset:.2em;font-size:.875rem}.form-error{border-left:3px solid #ac2d2d;background:#fff3f2;padding:12px;color:#8a2020;font-size:.9375rem}
.guide-heading{padding:62px 0 28px;max-width:810px}.guide-heading h1{font-size:clamp(2.5rem,4.5vw,3.8rem)}.signed-in{font-size:.875rem;color:var(--muted)}.guide-layout{display:grid;grid-template-columns:280px 1fr;gap:46px;padding-bottom:60px}.guide-aside{padding-top:10px}.guide-aside h2{font-size:1.2rem}.guide-aside ol{padding-left:20px;color:var(--muted)}.guide-aside li{margin-bottom:15px;padding-left:5px}.guide-content{min-width:0}.guide-card{border:1px solid var(--line);border-radius:4px;margin-bottom:24px;padding:26px 30px}.guide-card h2{font-size:1.5rem}.guide-card p{color:var(--muted)}.guide-card details{margin:20px 0}.guide-card summary{cursor:pointer;font-weight:600;font-size:.9375rem}.code-panel{position:relative;background:#102442;color:#e7eef9;border-radius:3px;margin:18px 0}.code-panel pre{overflow-x:auto;margin:0;padding:46px 20px 20px;font-size:.875rem;line-height:1.65}.code-panel code{background:none;padding:0;color:inherit;white-space:pre-wrap;overflow-wrap:anywhere}.copy-button{position:absolute;right:10px;top:9px;background:none;border:1px solid #7890b3;border-radius:3px;color:white;padding:3px 12px;font-size:.8125rem}code{font-size:.875em;overflow-wrap:anywhere;background:#eef2f8;padding:2px 4px;border-radius:2px}.reference{font-size:.875rem}.research-notice{background:var(--soft);border-left:4px solid var(--gold);padding:24px 30px}.research-notice h2{font-size:1.2rem}.research-notice p{font-size:.9375rem;color:var(--muted)}.site-footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;padding:25px 0 32px;font-size:.875rem;color:var(--muted)}
.hero{align-items:start}.hero h1{max-width:600px}.coverage .snapshot-title{font-size:1.45rem;line-height:1.3;margin-bottom:6px}.coverage .snapshot-unit{color:#c7d3e4;font-size:.875rem;margin:0 0 22px}.country-grid h3{font-size:1.1rem;margin:0 0 8px}.country-grid .country-share{display:block;font-size:2.15rem;line-height:1.2;letter-spacing:-.025em;color:#fff}.country-grid .country-denominator{display:block;margin-top:8px;font-size:.75rem;letter-spacing:0;color:#c7d3e4;line-height:1.55}.coverage .snapshot-date{font-size:.8rem;color:#c7d3e4;margin:24px 0 7px}.snapshot-source{font-size:.8rem;color:#e1d2a6}.definition p+p{margin-top:14px}.method-detail{margin-top:20px;color:var(--muted);font-size:.875rem}.method-detail summary{cursor:pointer;color:var(--blue);font-weight:600}.method-detail p{margin-top:12px}
@media(max-width:850px){.shell{width:calc(100% - 40px)}.hero{gap:30px;padding:48px 0}.hero h1{font-size:2.8rem}.coverage{padding:24px}.ways{gap:25px}.split-page{gap:40px}.guide-layout{grid-template-columns:220px 1fr;gap:25px}.guide-card{padding:24px}}
@media(max-width:620px){.header-inner{min-height:88px;gap:12px;flex-wrap:wrap;padding:14px 0}.brand{font-size:1.4rem;gap:10px}.brand img{width:47px;height:47px}.brand-name{font-size:.8rem}.site-header nav{gap:18px;font-size:.875rem;flex-wrap:wrap}.nav-login{padding:7px 14px}.hero,.split-page,.guide-layout{grid-template-columns:1fr;gap:28px}.hero{padding:38px 0}.hero h1,.page-intro h1,.guide-heading h1{font-size:2.65rem}.hero br{display:none}.actions{display:grid}.coverage{padding:26px}.ways{grid-template-columns:1fr;gap:26px;padding:30px 0}.ways h2 br{display:none}.ways article{border-top:1px solid var(--line);padding-top:20px}.section-number{margin-bottom:12px}.definition{grid-template-columns:1fr;gap:10px;padding:30px 0}.definition h2{margin-bottom:8px}.split-page{padding:30px 0 40px}.page-intro{padding-top:0}.form-card{padding:23px}.guide-heading{padding-top:36px}.guide-aside{border-bottom:1px solid var(--line);padding-bottom:18px}.guide-card,.research-notice{padding:22px}.site-footer{flex-direction:column;gap:6px}.lead{font-size:1.05rem}.eyebrow{font-size:.8rem}.country-grid h2{font-size:1.25rem}}