@font-face{font-family:'Albert Sans';src:url(fonts/albertsans.woff2) format('woff2');font-weight:400 800;font-style:normal;font-display:swap}
:root{--bg:#fbfaff;--paper:#fff;--ink:#21182f;--muted:#5f5672;--plum:#3b1d66;--plum2:#5b2a86;--teal:#0f7f74;--line:#e2dcee;--soft:#f2eef9;--max:1180px;--f:'Albert Sans','Segoe UI',Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:1rem}
body{margin:0;font-family:var(--f);font-size:1.04rem;line-height:1.62;color:var(--ink);background:var(--bg)}
a{color:var(--plum2);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--teal)}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em;color:var(--plum)}
h1{font-size:clamp(1.8rem,4vw,2.7rem);font-weight:800;margin:.4rem 0 .9rem}
h2{font-size:1.4rem;font-weight:750;margin:2.2rem 0 .7rem}
h3{font-size:1.1rem;font-weight:700;margin:1.2rem 0 .4rem}
.page-w{max-width:var(--max);margin:0 auto;padding-left:1.25rem;padding-right:1.25rem}
.skiplink{position:absolute;left:-999px;top:0;background:var(--plum);color:#fff;padding:.5rem 1rem;z-index:50}
.skiplink:focus{left:1rem}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* header */
.hdr{background:var(--paper);border-top:5px solid var(--plum);border-bottom:1px solid var(--line);position:relative;z-index:20}
.hdr-row{display:flex;align-items:center;gap:1.5rem;min-height:72px}
.hdr-logo{display:flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--plum)}
.hdr-mark{display:inline-grid;place-items:center;width:2.4rem;height:2.4rem;border:2px solid var(--plum);border-radius:50%;font-weight:800;font-size:.9rem;letter-spacing:.04em;color:var(--plum);background:linear-gradient(180deg,transparent 47%,var(--plum) 47% 53%,transparent 53%),var(--soft)}
.hdr-name{display:flex;flex-direction:column;font-weight:800;font-size:1.2rem;line-height:1.1}
.hdr-name small{font-weight:500;font-size:.72rem;color:var(--muted);letter-spacing:.02em;margin-top:.2rem}
.hdr-menu{margin-left:auto}
.hdr-list{display:flex;gap:.3rem;list-style:none;margin:0;padding:0}
.hdr-list a{display:flex;align-items:center;gap:.35rem;padding:.55rem .85rem;border-radius:6px;color:var(--ink);font-weight:650;text-decoration:none;font-size:.97rem}
.hdr-list a:hover,.hdr-list a[aria-expanded="true"]{background:var(--soft);color:var(--plum)}
.hdr-list li.on>a{color:var(--plum);box-shadow:inset 0 -3px 0 var(--teal)}
.caret{width:.45rem;height:.45rem;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s}
.mm-link[aria-expanded="true"] .caret{transform:rotate(-135deg)}
.hdr-toggle,.drawer-regions{display:none}
.mm{background:var(--plum);color:#fff;border-top:1px solid rgba(255,255,255,.12);position:absolute;left:0;right:0;top:100%;box-shadow:0 18px 30px rgba(33,24,47,.25)}
.mm[hidden]{display:none}
.mm-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1.5rem;padding-top:1.4rem;padding-bottom:1.2rem}
.mm-h{margin:0 0 .5rem;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700}
.mm-h a{color:#c9f1ec;text-decoration:none}
.mm ul{list-style:none;margin:0;padding:0}
.mm li a{display:block;color:#fff;text-decoration:none;padding:.22rem 0;font-size:.97rem}
.mm li a:hover,.mm-h a:hover{text-decoration:underline;color:#fff}
.mm-foot{grid-column:1/-1;display:flex;gap:1.5rem;margin:.4rem 0 0;padding-top:.8rem;border-top:1px solid rgba(255,255,255,.18);font-size:.9rem}
.mm-foot a{color:#c9f1ec}
/* breadcrumbs */
.path ol{display:flex;flex-wrap:wrap;list-style:none;margin:1.3rem 0 .2rem;padding:0;font-size:.86rem}
.path li+li::before{content:"/";margin:0 .45rem;color:var(--muted)}
.path a{color:var(--muted)}
.over,.cell-tag{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);font-weight:750;margin:.8rem 0 0}
.summary{font-size:1.12rem;color:var(--muted);max-width:62ch}
.small{font-size:.86rem;color:var(--muted)}
.info{font-size:.86rem;color:var(--muted);border-top:1px solid var(--line);padding-top:.8rem;margin-top:2rem}
/* home */
.atlas-intro{padding-top:1.8rem;padding-bottom:.5rem}
.atlas-intro h1{max-width:20ch}
.azbar ol{display:flex;flex-wrap:wrap;gap:.3rem;list-style:none;margin:1.3rem 0 0;padding:0}
.azbar li>*{display:grid;place-items:center;width:2.1rem;height:2.1rem;border-radius:4px;font-weight:700;font-size:.9rem}
.azbar a{background:var(--plum);color:#fff;text-decoration:none}
.azbar a:hover{background:var(--teal);color:#fff}
.azbar span{color:#b9b1c9;border:1px dashed var(--line)}
.atlas-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:2.5rem;align-items:start}
.rtab-list{display:flex;flex-wrap:wrap;gap:0;border-bottom:2px solid var(--line);margin-bottom:1rem}
.rtab-list button{font:inherit;font-weight:700;font-size:.95rem;background:none;border:0;border-bottom:3px solid transparent;margin-bottom:-2px;padding:.6rem 1rem;color:var(--muted);cursor:pointer}
.rtab-list button[aria-selected="true"]{color:var(--plum);border-bottom-color:var(--plum)}
.rtab-list button:hover{color:var(--plum)}
.rt-n{display:inline-block;min-width:1.4rem;padding:0 .3rem;border-radius:9px;background:var(--soft);font-size:.75rem;color:var(--plum);margin-left:.2rem}
.rtabs.js .rp-h{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.rpanel{margin-bottom:1.2rem}
.rp-h{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);border-bottom:1px solid var(--line);padding-bottom:.3rem}
.clist{list-style:none;margin:0;padding:0;columns:3 220px;column-gap:1.6rem}
.clist li{break-inside:avoid;padding:.75rem 0 .85rem;border-bottom:1px dotted var(--line);display:flex;flex-direction:column}
.c-name{font-weight:750;font-size:1.08rem;text-decoration:none}
.c-name:hover{text-decoration:underline}
.c-cov{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);font-weight:700;margin:.15rem 0 .25rem}
.c-top{font-size:.9rem;color:var(--muted);line-height:1.45}
.atlas-side{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:.4rem 1.2rem 1rem;margin-top:1.4rem}
.atlas-side h2{font-size:1.05rem;margin:.9rem 0 .5rem}
.yr-list{margin:0}
.yr-list div{display:grid;grid-template-columns:7.5rem 1fr;gap:.6rem;padding:.4rem 0;border-top:1px solid var(--soft);font-size:.88rem}
.yr-list dt a{font-weight:650;text-decoration:none}
.yr-list dd{margin:0;color:var(--muted)}
.topics{margin-top:1rem}
.topic-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:6px;background:var(--paper)}
.topic{padding:1.1rem 1.3rem 1.3rem}
.topic+.topic{border-left:1px solid var(--line)}
.topic-k{font-size:2rem;font-weight:800;color:var(--soft);-webkit-text-stroke:1px var(--plum2);margin:0;line-height:1}
.topic h3{margin-top:.5rem}
.topic p{font-size:.94rem;color:var(--muted)}
.topic a{font-weight:700}
.az-cols{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:.4rem 2rem}
.az-group{display:grid;grid-template-columns:2.2rem 1fr;align-items:start;padding:.5rem 0;border-top:2px solid var(--plum)}
.az-l{margin:0;font-weight:800;font-size:1.5rem;color:var(--plum);line-height:1.2}
.az-group ul{list-style:none;margin:0;padding:0}
.az-group li{padding:.2rem 0}
.az-group li span{font-size:.75rem;color:var(--muted);margin-left:.3rem}
.az-group:target{background:var(--soft)}
/* inner */
.cols{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:3rem;align-items:start}
.page-n{max-width:820px}
.txt{padding-bottom:2.5rem}
.txt p,.txt li{max-width:70ch}
.txt h2{padding-top:.9rem;border-top:1px solid var(--line)}
.txt ul li::marker{color:var(--teal)}
.img-fig{margin:1.2rem 0}
.img-fig img{border-radius:6px;width:100%;aspect-ratio:16/9;object-fit:cover}
.tscroll{overflow-x:auto;margin:1.2rem 0;border:1px solid var(--line);border-radius:6px;background:var(--paper)}
.tscroll table{width:100%;border-collapse:collapse;font-size:.95rem}
.tscroll th{text-align:left;background:var(--soft);color:var(--plum);padding:.55rem .9rem;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase}
.tscroll td{padding:.55rem .9rem;border-top:1px solid var(--line);vertical-align:top}
.tscroll td:first-child{font-weight:650;width:40%}
.col-side{padding-top:1.4rem}
.side-sticky{position:sticky;top:1rem}
.panel{border-left:3px solid var(--plum);padding:.2rem 0 .2rem 1rem;margin-bottom:1.6rem}
.panel-h{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:750;margin:0 0 .4rem}
.panel ul,.panel ol{margin:0;padding:0;list-style:none}
.panel li{padding:.22rem 0}
.onpage ol{counter-reset:op}
.onpage li{counter-increment:op}
.onpage li::before{content:counter(op) ". ";color:var(--teal);font-weight:700}
.az-pager{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.4rem}
.az-pager a{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:6px;padding:.7rem 1rem;text-decoration:none;font-weight:700;background:var(--paper)}
.az-pager a span{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}
.az-next{text-align:right}
.az-pager a:hover{border-color:var(--plum)}
.grid{list-style:none;margin:1rem 0 2rem;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:0 2rem}
.cell{border-top:1px solid var(--line);padding:.9rem 0 1rem}
.cell h3{margin:.2rem 0 .3rem}
.cell p{margin:0;font-size:.93rem;color:var(--muted)}
.regions{display:grid;grid-template-columns:repeat(5,1fr);gap:1.2rem;margin:1rem 0 2rem;padding:1rem 1.2rem;background:var(--paper);border:1px solid var(--line);border-radius:6px}
.region h3{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);margin:.2rem 0 .4rem}
.region ul{list-style:none;margin:0;padding:0}
.region li{padding:.15rem 0}
.region:target{background:var(--soft);outline:6px solid var(--soft)}
/* form */
.cform{display:grid;gap:.25rem;max-width:560px;margin:1.2rem 0}
.cform label{font-weight:650;margin-top:.7rem}
.opt{font-weight:400;color:var(--muted)}
.cform input,.cform select,.cform textarea{font:inherit;padding:.6rem .7rem;border:1px solid #c9bfdb;border-radius:4px;background:#fff;width:100%}
.cform [aria-invalid="true"]{border-color:#b3261e;background:#fff7f6}
.cerr{color:#b3261e;font-size:.88rem;min-height:1.2em}
.cform button{justify-self:start;font:inherit;font-weight:700;background:var(--plum);color:#fff;border:0;border-radius:4px;padding:.7rem 1.6rem;margin-top:.8rem;cursor:pointer}
.cform button:hover{background:var(--teal)}
.cform-alert{background:#fff1f0;border-left:4px solid #b3261e;padding:.6rem .9rem}
.cf-hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
/* footer: compact two columns */
.ftr{margin-top:3rem;background:var(--plum);color:#e9e2f4}
.ftr-row{display:grid;grid-template-columns:1.2fr 1fr;gap:2rem;padding-top:1.8rem;padding-bottom:1.6rem}
.ftr-name{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.05rem;margin:0}
.ftr .hdr-mark{width:2rem;height:2rem;font-size:.75rem;color:#fff;border-color:#fff;background:linear-gradient(180deg,transparent 47%,#fff 47% 53%,transparent 53%)}
.ftr-desc{font-size:.92rem;margin:.6rem 0 .3rem;max-width:44ch}
.ftr-fine{font-size:.8rem;opacity:.75;margin:0}
.ftr-menu ul{list-style:none;margin:0;padding:0;columns:2;column-gap:2rem}
.ftr-menu li{padding:.2rem 0}
.ftr-menu a{color:#fff;text-decoration:none;font-size:.93rem}
.ftr-menu a:hover{text-decoration:underline;color:#c9f1ec}
/* mobile: sheet that pushes the page down, regions as an accordion */
@media (max-width:860px){
 .hdr-row{min-height:62px;flex-wrap:wrap;gap:.5rem}
 .hdr-name small{display:none}
 .js .hdr-toggle{display:flex;align-items:center;gap:.5rem;margin-left:auto;font:inherit;font-weight:700;font-size:.9rem;color:var(--plum);background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:.4rem .9rem .4rem .7rem;cursor:pointer}
 .tg-icon{position:relative;width:16px;height:12px}
 .tg-icon i{position:absolute;left:0;right:0;height:2px;background:currentColor;transition:transform .2s,top .2s}
 .tg-icon i:first-child{top:2px}.tg-icon i:last-child{top:8px}
 .hdr-toggle[aria-expanded="true"] .tg-icon i:first-child{top:5px;transform:rotate(45deg)}
 .hdr-toggle[aria-expanded="true"] .tg-icon i:last-child{top:5px;transform:rotate(-45deg)}
 .hdr-menu{flex:0 0 calc(100% + 2.5rem);margin:0 -1.25rem;padding:.4rem 1.25rem 1.2rem;border-top:1px solid var(--line);background:var(--bg)}
 .js .hdr-menu{display:none}
 .js .hdr-menu.open{display:block}
 .hdr-list{flex-direction:column;gap:0}
 .hdr-list li{border-bottom:1px solid var(--line)}
 .hdr-list a{padding:.75rem .2rem;border-radius:0}
 .hdr-list li.on>a{box-shadow:inset 3px 0 0 var(--teal);padding-left:.7rem}
 .mm-item{display:none}
 .mm{display:none!important}
 .drawer-regions{display:block;margin-top:1rem}
 .dr-h{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:750;margin:0 0 .3rem}
 .dr-reg{border:1px solid var(--line);border-radius:6px;background:var(--paper);margin-bottom:.4rem}
 .dr-reg summary{cursor:pointer;padding:.65rem .9rem;font-weight:700;color:var(--plum);list-style:none;display:flex;align-items:center}
 .dr-reg summary::-webkit-details-marker{display:none}
 .dr-reg summary::after{content:"+";margin-left:auto;font-size:1.2rem;line-height:1}
 .dr-reg[open] summary::after{content:"\2212"}
 .dr-n{font-size:.75rem;color:var(--muted);font-weight:600;margin-left:.4rem}
 .dr-reg ul{list-style:none;margin:0;padding:0 .9rem .6rem;display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}
 .dr-reg li a{display:block;padding:.35rem 0}
 .dr-all{display:inline-block;margin-top:.5rem;font-weight:700}
 .atlas-grid,.cols{grid-template-columns:minmax(0,1fr);gap:1rem}
 .atlas-main{min-width:0}
 .side-sticky{position:static}
 .col-side{padding-top:0}
 .regions{grid-template-columns:repeat(2,1fr)}
 .topic-row{grid-template-columns:1fr}
 .topic+.topic{border-left:0;border-top:1px solid var(--line)}
 .ftr-row{grid-template-columns:1fr;gap:1.2rem}
 .rtab-list{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
 .rtab-list button{white-space:nowrap}
}
@media (max-width:480px){
 .azbar li>*{width:1.85rem;height:1.85rem;font-size:.82rem}
 .yr-list div{grid-template-columns:6.5rem 1fr}
 .az-pager{grid-template-columns:1fr}
 .az-next{text-align:left}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.hdr,.ftr,.col-side,.azbar,.az-pager{display:none}}