:root{--bg:#091b2d;--bg2:#0d263c;--panel:#122e47;--stroke:#34556e;--muted:#b0c8da;--text:#edf7ff;--mint:#82d3ff;--mint-dark:#123e5c;--amber:#e7d49b;--shadow:0 28px 90px rgba(1,11,24,.3)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55;font-size:15px}button,input,select,textarea{font:inherit}button{cursor:pointer}a{text-decoration:none;color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--mint);outline-offset:3px}h1,h2,h3,p{margin-top:0}h1,h2{letter-spacing:-.052em;line-height:1.07;font-weight:650}h1{font-size:clamp(3rem,5.25vw,5.65rem)}h2{font-size:clamp(2.2rem,3.8vw,3.9rem)}h1 em,h2 em{font-family:Georgia,serif;font-weight:400;color:var(--mint)}.page-width{width:min(1190px,calc(100% - 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/* Unified blue theme: explicit legible foreground on every major surface. */
body{background:#091b2d;color:#edf7ff}
.grid-halo{background:radial-gradient(ellipse at 70% 12%,rgba(46,128,193,.15),transparent 48%),linear-gradient(90deg,transparent 95%,rgba(120,194,242,.042) 95%),linear-gradient(transparent 95%,rgba(120,194,242,.042) 95%);background-size:auto,72px 72px,72px 72px}
.site-header{background:rgba(9,27,45,.83);border-bottom:1px solid #284761}
.brand small{color:#b3cde0}
.main-nav{color:#c6d9e8}
.main-nav a{color:inherit}
.btn-subtle,.btn-text{color:#cde1ef}
.btn-outline{background:rgba(20,63,96,.45);border-color:#496d88;color:#e9f5ff}
.btn-outline:hover{background:#173e5d}
.eyebrow-sep{color:#8fb1ca}
.lead{color:#bed4e6}
.hero-micro{color:#a6c3d8}
.index-card{background:linear-gradient(155deg,#183b56,#102a41);border-color:#416985}
.index-card:before{background:#173c5a;border-color:#416985}
.index-header,.metric-row,.metric-label,.index-footer small{color:#bfd7e8}
.metric-row b,.index-footer strong{color:#f0f9ff}
.section-heading p{color:#b5cde0}
.count-label{color:#b9d2e5;border-color:#426481}
.search-box{background:#102b43;color:#a3c9e1;border-color:#426381}
.search-box input::placeholder{color:#a2bfd5;opacity:1}
.search-box:focus-within{border-color:#82d3ff}
.toolbar select{background:#102b43;color:#e5f4ff;border-color:#426381}
.dataset-card{background:#122d46;border-color:#365975}
.dataset-card:hover{background:#193d5c;border-color:#80c2ed}
.file-type{color:#93d8ff;border-color:#3a7399}
.data-size{color:#b0c9dc}
.dataset-card h3{color:#f1f8ff}
.dataset-card p{color:#b7cee0}
.data-bottom{color:#bdd3e4;border-color:#335570}
.members-section{background:linear-gradient(125deg,#102d46,#0c2238);border-color:#2e526e}
.eyebrow.subdued{color:#93d9ff}
.members-copy p{color:#bbd1e2}
.feature-list span{color:#e2eef7}
.feature-list i{color:#82d3ff}
.vault-card{background:linear-gradient(155deg,#1c4666,#14344f 55%,#10283f);border-color:#4b7798}
.vault-tag{color:#d5e8f5;border-color:#6385a0}
.vault-lines span{background:linear-gradient(90deg,#426b89,transparent 80%)}
.vault-bottom p{color:#bed4e4}
.vault-foot{color:#abd0e9}
.about-layout p{color:#bfd2e0}
.tags span{color:#c8dcec;border-color:#40627f}
.site-footer{color:#a9c6da}
.dialog{background:#112d46;border-color:#426583;color:#edf7ff}
.dialog-close{color:#d7ebfa}
.dialog-header p{color:#bed2e3}
.dialog input,.dialog textarea,.dialog select{background:#0b233a;border-color:#426381;color:#f2f9ff}
.dialog input::placeholder,.dialog textarea::placeholder{color:#a3bed4}
.fine-print{color:#afc7d9}
.detail-desc{color:#bed5e6}
.detail-meta>div{background:#0c263d;border-color:#385c77}
.detail-meta span{color:#b3cbdf}
.preview-panel{background:#0b263c;color:#d4ebfa;border-color:#3c617d}
.preview-label{color:#b9d4e7}
.site-header.mobile-open .main-nav{background:#12314b}
/* HTML hidden attribute must override flex/grid layout. */
[hidden],.hero-side[hidden]{display:none!important}
/* Guests do not see repository overview and use the full reading width. */
.hero.hero--guest{grid-template-columns:minmax(0,1fr);padding-block:105px 104px}
.hero.hero--guest .hero-main{max-width:790px}
@media (max-width:850px){.hero.hero--guest{padding-block:72px 82px}.hero:not(.hero--guest){grid-template-columns:minmax(0,1fr)}.hero-side:not([hidden]){display:flex}.hero-side .index-card{margin-left:0}}
@media (max-width:590px){.hero.hero--guest{padding-block:65px 77px}}