/* Nexus — editorial research system */
:root{--bg:#fafaf8;--surface:#fff;--panel:#fff;--text:#18252c;--muted:#59666c;--line:#dce1df;--mint:#225b64;--white:var(--text);--header:#fafaf8f2;--on-accent:#fff}
:root[data-theme=dark]{--bg:#11191e;--surface:#19242b;--panel:#19242b;--text:#f0f3f2;--muted:#aebbbc;--line:#34424a;--mint:#8ac9cf;--header:#11191ef2;--on-accent:#11191e}
body.theme-online{--mint:#ac3c40}body.theme-youth{--mint:#3261ac}body[data-page=dependencies]{--mint:#237451}
:root[data-theme=dark] body.theme-online{--mint:#ff9697}:root[data-theme=dark] body.theme-youth{--mint:#95baff}
body{font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue',Arial,sans-serif;line-height:1.65;background:var(--bg);color:var(--text)}
.shell{width:calc(100% - 96px);max-width:1280px;margin-inline:auto;padding-inline:0}
.site-header{border-top:4px solid var(--mint);border-bottom:1px solid var(--line);background:var(--header);position:sticky;backdrop-filter:blur(16px)}
.header-inner{min-height:94px;gap:18px;flex-wrap:wrap}.logo{font-size:19px;letter-spacing:-.7px}.logo small{font-size:9px;letter-spacing:2.3px;margin-top:6px}.logo span{color:var(--text)}.site-nav{gap:22px;font-size:12px;margin-left:auto}.site-nav a{padding:8px 0}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--mint);text-decoration:underline;text-underline-offset:8px}.theme-toggle,.language-control select{border-radius:30px;font-size:12px;min-height:36px;padding:7px 11px}
h1,h2,h3{font-family:inherit;letter-spacing:-.045em;font-weight:500}h1{line-height:1.04}h2{line-height:1.12}.kicker{font-size:10px;letter-spacing:2px;color:var(--mint);font-weight:700;display:block}.kicker:before{content:'';display:inline-block;width:6px;height:6px;background:var(--mint);margin-right:10px;vertical-align:middle}
.hero{display:block;padding:95px 0 0;gap:0;background:none;border-bottom:0}.hero>div:first-child{max-width:940px}.hero h1{font-size:clamp(52px,6.7vw,96px);margin:26px 0 30px;max-width:960px}.hero h1 em{font-family:Georgia,serif;font-weight:400;font-style:italic;display:inline;color:var(--mint)}.hero p{max-width:680px;font-size:19px;line-height:1.7}.hero-aside{border-left:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:32px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:64px}.hero-aside div{grid-template-columns:auto 1fr;gap:22px;align-items:center}.hero-aside strong{font-family:inherit;font-size:48px;letter-spacing:-3px;color:var(--text);font-weight:400}.hero-aside span{font-size:12px;max-width:210px}
.page-hero{padding:65px 0 70px;background:var(--surface);border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(45px,5.7vw,76px);max-width:1000px;margin:22px 0}.page-hero p{font-size:17px;max-width:740px}.crumb{font-size:11px;margin-bottom:38px}.section{padding-block:76px}.section-head{margin-bottom:36px}.section-head h2,.press-section>h2,.guide-section>h2{font-size:clamp(30px,3.2vw,44px);margin-top:16px;max-width:800px}.section-head p{font-size:14px;max-width:350px}.text-link{font-size:13px;font-weight:600;white-space:normal}
.observatories{gap:0;border:1px solid var(--line)}.obs-card{border:0;border-radius:0;min-height:330px;padding:32px;background:var(--surface);border-top:3px solid var(--mint);transition:background .2s}.obs-card+ .obs-card{border-left:1px solid var(--line)}.obs-card:nth-child(1){--mint:#ac3c40}.obs-card:nth-child(2){--mint:#237451}.obs-card:nth-child(3){--mint:#3261ac}.obs-card h3{font-size:29px;margin-top:48px}.obs-card .number{font-size:10px;letter-spacing:1px}.obs-card p{font-size:14px}.obs-card:hover{transform:none;background:color-mix(in srgb,var(--mint) 5%,var(--surface))}.obs-card .arrow{font-size:12px;font-weight:600}
.product-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.product-card{padding:30px;border-radius:2px;min-height:300px;border:1px solid var(--line);border-top:3px solid var(--mint);background:var(--surface);box-shadow:none;transition:box-shadow .2s,transform .2s}.product-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px #00000009}.product-card .meta{font-size:10px;letter-spacing:1px}.product-card h3{font-size:27px;line-height:1.2;margin:28px 0 18px}.product-card p{font-size:14px}.product-card .arrow{font-weight:600;font-size:12px;border-top:1px solid var(--line);margin-top:28px;padding-top:18px}.publication-cover{display:none!important}.filters{gap:8px;margin-bottom:30px}.filters button{font-size:12px;padding:9px 20px;border-radius:4px}
.press-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.press-card{background:var(--surface);border:1px solid var(--line);border-radius:2px;padding:26px;box-shadow:none}.press-logo{height:58px;display:flex;align-items:center;justify-content:flex-start;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:20px;background:#fff}.press-logo img{max-width:160px;max-height:40px;object-fit:contain}.press-story h3{font-size:19px;line-height:1.4;letter-spacing:-.02em}.press-story p{font-size:13px}.press-meta{font-size:10px!important;letter-spacing:1px}.press-intro{margin:18px 0 30px}.press-note{font-size:12px;line-height:1.7;color:var(--muted);margin-top:24px}.press-more{margin-top:30px}.press-more summary{padding:20px 0;cursor:pointer}.press-wordmark{font-size:20px;font-weight:700;margin-bottom:25px}
.metrics{gap:0;border:1px solid var(--line);background:var(--surface);margin:30px 0}.metric{border:0;border-radius:0;background:none;padding:26px}.metric+.metric{border-left:1px solid var(--line)}.metric strong{font-family:inherit;font-size:46px;letter-spacing:-2px;font-weight:400}.metric span{font-size:12px}.essential-details{background:var(--surface);padding:22px 26px;border:1px solid var(--line);border-radius:2px}.essential-details summary{font-size:17px;cursor:pointer}.guide-card{background:var(--surface);border-radius:2px;border:1px solid var(--line);padding:28px;margin-top:24px}.guide-card h3{font-size:24px}.guide-card p{font-size:15px}.guide-note{border-left:3px solid var(--mint);padding:12px 22px;background:none;font-size:14px}.adm-table-wrap{overflow:auto}.adm-table{font-size:13px}.adm-table th,.adm-table td{padding:13px 16px}
.assistance{padding-block:60px}.assistance h2{font-size:38px}.help-intro{font-size:15px}.help-card{border-radius:2px;padding:26px;background:var(--surface)}.help-card h3{font-size:15px;letter-spacing:0}.help-number{font-family:inherit;font-size:30px;letter-spacing:-1px;text-decoration:none}.help-card p{font-size:13px}.help-verified{font-size:11px}.site-footer{padding-block:38px;border-top:1px solid var(--line);align-items:center;font-size:11px}.site-footer .logo{font-size:16px}
.youth-region-panel,.side-note,.topic{border-radius:2px;background:var(--surface);border-color:var(--line)}.youth-atlas-layout{gap:50px}.detail-layout{gap:65px}.detail-layout article{padding:30px 0}.detail-layout article h2{font-size:28px}.button-link{border-radius:3px;padding:12px 20px}.atlas-section,.youth-atlas-section{padding-block:40px}#atlas-frame{background:var(--bg)}
@media(max-width:1000px){.site-nav{order:3;width:100%;justify-content:space-between;margin:0}.header-inner{padding-block:15px}.theme-toggle{margin-left:auto}.hero-aside{gap:20px}.hero-aside div{display:block}.hero-aside span{display:block;margin-top:10px}.product-grid,.press-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.shell{width:calc(100% - 40px)}.site-nav{justify-content:flex-start;gap:8px 17px;font-size:11px}.hero{padding-top:52px}.hero h1{font-size:50px}.hero p{font-size:16px}.hero-aside{gap:16px;margin-top:38px;padding-block:24px}.hero-aside strong{font-size:34px}.hero-aside span{font-size:10px}.page-hero{padding-block:35px 42px}.page-hero h1{font-size:44px}.section{padding-block:48px}.observatories,.product-grid,.press-grid{grid-template-columns:1fr}.obs-card+.obs-card{border-left:0;border-top:3px solid var(--mint)}.obs-card{min-height:280px}.section-head h2,.press-section>h2,.guide-section>h2{font-size:32px}.metric{padding:17px 12px}.metric strong{font-size:34px}.metric span{font-size:11px}.essential-details{padding:16px}.site-footer{display:block}.detail-layout{gap:25px}}
/* Contemporary interface refinement */
:root{--bg:#f5f6f8;--text:#18222d;--muted:#606c79;--line:#e1e5eb;--mint:#315ce7;--header:#ffffffed}
:root[data-theme=dark]{--bg:#10141c;--surface:#1b2230;--text:#eef2fb;--muted:#aab6c9;--line:#303c50;--mint:#99b1ff;--header:#10141ced}
.site-header{border-top:0}.header-inner{min-height:82px}.logo{letter-spacing:-.8px}.hero{position:relative;padding-top:80px}.hero h1{font-size:clamp(50px,6.2vw,86px);font-weight:650;letter-spacing:-.065em;max-width:1000px}.hero h1 em{font-family:inherit;font-style:normal;font-weight:650;color:var(--mint)}.hero p{font-size:18px}.hero-aside{border:0;background:var(--surface);border-radius:22px;padding:30px 34px;box-shadow:0 8px 35px #182b4805;margin-top:45px}.hero-aside strong{color:var(--mint);font-weight:500}.kicker{letter-spacing:1.3px}.kicker:before{border-radius:50%;box-shadow:0 0 0 4px color-mix(in srgb,var(--mint) 9%,transparent)}
.page-hero{background:radial-gradient(ellipse at 100% 0,color-mix(in srgb,var(--mint) 9%,var(--bg)),var(--bg) 65%);border:0}.page-hero h1{font-weight:600;letter-spacing:-.055em}.section{border:0}.section-head h2,.press-section>h2,.guide-section>h2{font-weight:600;letter-spacing:-.045em}.observatories{border:0;gap:20px}.obs-card,.obs-card+.obs-card{border:1px solid var(--line);border-radius:22px;position:relative;overflow:hidden;background:var(--surface);padding:30px;min-height:345px}.obs-card:before{content:'';width:150px;height:150px;position:absolute;right:-42px;top:-46px;border:1px solid color-mix(in srgb,var(--mint) 35%,transparent);border-radius:50%;box-shadow:0 0 0 22px color-mix(in srgb,var(--mint) 5%,transparent),0 0 0 45px color-mix(in srgb,var(--mint) 3%,transparent);pointer-events:none;transition:transform .4s}.obs-card:hover:before{transform:scale(1.15)}.obs-card h3{font-weight:600;letter-spacing:-.04em;font-size:28px}.obs-card .arrow{padding:13px 0 0}.obs-card:hover{transform:translateY(-4px)}.product-card{border:1px solid var(--line);border-radius:20px;min-height:285px;padding:30px}.product-card .meta{color:var(--mint);font-size:10px}.product-card h3{font-weight:600;font-size:25px;letter-spacing:-.035em}.product-card .arrow{margin-top:auto;padding-top:25px;border:0}.filters button{border-radius:30px}.press-card{border-radius:18px;border:0;box-shadow:0 4px 22px #182b4804}.press-story h3{font-weight:550}.press-logo{border:0;border-radius:5px;padding:8px}.metrics{border:0;border-radius:20px;overflow:hidden}.metric{padding:26px 30px}.metric+.metric{border-left:1px solid var(--line)}.metric strong{font-weight:500}.essential-details,.guide-card,.help-card,.side-note,.topic,.youth-region-panel{border-radius:18px}.essential-details{border:1px solid var(--line);padding:22px 28px}.guide-card{border:0}.help-card{border:0}.help-number{font-weight:600}.button-link{border-radius:30px}.theme-toggle,.language-control select{border:0;background:var(--bg)}.site-footer{border-top:1px solid var(--line)}
@media(max-width:650px){.hero{padding-top:48px}.hero h1{font-size:49px}.hero-aside{padding:24px 18px;gap:12px}.hero-aside strong{font-size:32px}.obs-card+.obs-card{border:1px solid var(--line)}.obs-card{min-height:280px}.metric{padding:20px 14px}}
.hero{display:grid;grid-template-columns:1.15fr 1fr;column-gap:24px;align-items:center}.hero>div:first-child{min-width:0}.hero h1{font-size:clamp(50px,5.5vw,76px)}.hero-aside{grid-column:1/-1;width:100%}.network-visual{position:relative;min-height:360px;perspective:800px;color:var(--mint)}.network-visual svg{width:100%;height:340px;transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .2s ease-out}.network-node{position:absolute;display:flex;gap:8px;align-items:center;font-size:11px;padding:10px 14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 28px #1834590b;transition:transform .2s,box-shadow .2s}.network-node:hover{transform:translateY(-5px);box-shadow:0 12px 24px #18345918}.node-online{left:5%;top:22%;color:#b33b49}.node-health{right:1%;top:21%;color:#247756}.node-youth{left:49%;bottom:14%;color:#3261ac}.network-caption{position:absolute;bottom:0;width:100%;text-align:center;font-size:10px;letter-spacing:1px;color:var(--muted)}.obs-icon{width:46px;height:46px;border-radius:14px;background:color-mix(in srgb,var(--mint) 9%,var(--surface));padding:10px;color:var(--mint);margin-top:28px}.obs-icon svg{width:100%;height:100%}.obs-card h3{margin-top:22px}.registry-chart{margin:24px 0 36px;padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:20px}.registry-chart figcaption{font-size:18px;font-weight:600;letter-spacing:-.4px}.registry-chart figcaption span{display:block;font-size:12px;color:var(--muted);font-weight:400;letter-spacing:0;margin:5px 0 24px}.chart-row{display:grid;grid-template-columns:120px 1fr 100px;align-items:center;gap:24px;padding:12px;border-radius:8px;font-size:13px}.chart-row:hover,.chart-row:focus{background:var(--bg)}.bar-track{height:12px;background:var(--bg);border-radius:10px;overflow:hidden}.bar-track i{display:block;height:100%;background:var(--mint);border-radius:10px;min-width:4px}.chart-row strong{font-size:18px}.chart-row small{font-size:11px;font-weight:400;color:var(--muted)}.registry-chart>p{font-size:10px;color:var(--muted);margin-top:20px}@media(max-width:850px){.hero{grid-template-columns:1fr}.network-visual{max-width:550px;width:100%;margin:20px auto 0}.hero h1{max-width:800px}.chart-row{grid-template-columns:90px 1fr 65px;gap:10px}.registry-chart{padding:20px}.chart-row small{display:none}}@media(prefers-reduced-motion:reduce){.network-visual svg{transform:none!important}}
.network-caption{left:0}.hero h1 em{display:inline-block}.network-visual{min-width:0}