:root{
  --bg:#121214;
  --surface:#1a1a1c;
  --surface-2:#202021;
  --line:rgba(239,239,239,.08);
  --line-2:rgba(239,239,239,.14);
  --line-strong:rgba(239,239,239,.28);
  --text:#efefef;
  --muted:#929295;
  --accent:#36ec5e;
  --blue:#2d74ff;
  --amber:#ffdb3a;
  --red:#ff2d2d;
  --radius:10px;
  --radius-sm:8px;
  --container:1120px;
  --font-display:"Manrope","Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-body:"Inter","Manrope","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --ease:160ms ease;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;overflow-x:hidden;overscroll-behavior-x:none;}
body{
  margin:0;
  background:
    radial-gradient(1000px 560px at 84% -10%, rgba(45,116,255,.14), transparent 60%),
    radial-gradient(820px 480px at 6% 2%, rgba(54,236,94,.07), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
  overscroll-behavior-x:none;
  overflow-wrap:break-word;
}
img,svg,video,table{max-width:100%;}
img{height:auto;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;margin:0;letter-spacing:-.02em;line-height:1.2;}
p{margin:0 0 18px;}
button{font-family:inherit;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(18,18,20,.74);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);}
.site-header__bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:16px 24px;}
.brand{display:inline-flex;align-items:center;background:none;border:0;color:var(--text);cursor:pointer;padding:0;flex:0 0 auto;}
.brand__name{font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:.02em;white-space:nowrap;}
.brand__name span{color:var(--accent);}
.btn{display:inline-flex;align-items:center;gap:10px;justify-content:center;border-radius:var(--radius-sm);border:1px solid var(--line-2);background:transparent;color:var(--text);cursor:pointer;font-size:14px;font-weight:600;padding:11px 18px;transition:background-color var(--ease),border-color var(--ease),transform var(--ease),color var(--ease);}
.btn:hover{border-color:var(--line-strong);transform:translateY(-1px);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn--primary{background:rgba(54,236,94,.12);border-color:rgba(54,236,94,.42);color:var(--accent);}
.btn--primary:hover{background:rgba(54,236,94,.18);}

/* language switcher */
.header__actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end;margin-left:auto;}
.lang-control{position:relative;display:flex;align-items:center;}
.lang-control select{
  appearance:none;-webkit-appearance:none;-moz-appearance:none;
  min-width:150px;max-width:52vw;
  background-color:rgba(239,239,239,.06);
  border:1px solid var(--line-2);border-radius:999px;
  color:var(--text);font-family:inherit;font-size:14px;font-weight:500;
  padding:9px 34px 9px 14px;cursor:pointer;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23929295' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;
  transition:border-color var(--ease),background-color var(--ease);
}
.lang-control select:hover{border-color:var(--line-strong);}
.lang-control select:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.lang-control select option{color:#101318;}
.lang-status{position:absolute;top:calc(100% + 6px);right:0;max-width:70vw;font-size:12px;color:var(--muted);white-space:normal;z-index:5;}
.lang-status.error{color:var(--red);}
#google_translate_element{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
body > .skiptranslate,.goog-te-banner-frame.skiptranslate{display:none !important;}
body{top:0 !important;}

/* hero */
.page-hero{padding:64px 0 30px;border-bottom:1px solid var(--line);}
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600;margin:0 0 14px;}
.page-hero h1{font-size:clamp(32px,4.4vw,52px);margin-bottom:18px;}
.page-hero p{color:#cfcfd2;max-width:760px;font-size:18px;margin:0;}
.meta-line{margin-top:22px;color:var(--muted);font-size:14px;}

/* content */
.content{padding:48px 0 20px;}
.content__grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;}
.content__grid>*{min-width:0;}
.prose{max-width:760px;min-width:0;}
.prose h2{font-size:26px;margin:44px 0 16px;padding-top:6px;}
.prose h2:first-child{margin-top:0;}
.prose h3{font-size:19px;margin:30px 0 12px;}
.prose p{color:#cfcfd2;}
.prose strong{color:var(--text);font-weight:600;}
.prose ul,.prose ol{margin:0 0 20px;padding-left:22px;color:#cfcfd2;display:grid;gap:10px;}
.prose li::marker{color:var(--accent);}
.prose .kv{list-style:none;padding:0;gap:12px;}
.prose .kv li{display:flex;gap:14px;flex-wrap:wrap;}
.prose .kv .k{color:var(--muted);font-weight:600;min-width:120px;flex:0 0 auto;}

/* aside */
.aside{position:sticky;top:96px;display:grid;gap:16px;}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;min-width:0;}
.card h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:16px;}
.card .card-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;font-size:14.5px;color:#c6c6c9;}
.card .card-list .k{display:block;color:var(--muted);font-size:12px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:2px;}
.aside-nav{list-style:none;margin:0;padding:0;display:grid;gap:8px;}
.aside-nav button{background:none;border:0;color:#c6c6c9;text-align:left;font-size:14.5px;cursor:pointer;padding:6px 0;transition:color var(--ease);}
.aside-nav button:hover{color:var(--accent);}

/* callout + table */
.callout{margin:28px 0;background:var(--surface-2);border:1px solid var(--line-2);border-left:3px solid var(--accent);border-radius:var(--radius);padding:22px 24px;}
.callout h3{margin-top:0;}
.callout p:last-child{margin-bottom:0;}
.callout--warn{border-left-color:var(--amber);}
.table-wrap{margin:26px 0;border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto;max-width:100%;}
table{width:100%;border-collapse:collapse;table-layout:auto;}
th,td{text-align:left;padding:15px 20px;font-size:15px;border-bottom:1px solid var(--line);overflow-wrap:anywhere;}
thead th{font-family:var(--font-display);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600;background:var(--surface);}
tbody tr:last-child td{border-bottom:0;}
tbody tr:nth-child(even){background:rgba(239,239,239,.02);}
td:first-child{color:var(--text);font-weight:600;}
td{color:#c6c6c9;}

/* footer */
.footer{border-top:1px solid var(--line);margin-top:56px;padding:56px 0 40px;}
.footer__grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;}
.footer__brand p{color:var(--muted);font-size:14.5px;max-width:520px;margin:16px 0 0;}
.footer__contact{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:10px;font-size:14.5px;}
.footer__contact li{display:flex;gap:12px;flex-wrap:wrap;color:#c6c6c9;}
.footer__contact .label{color:var(--muted);font-weight:600;min-width:78px;flex:0 0 auto;}
.footer__nav{display:flex;flex-wrap:wrap;gap:10px;}
.footer__nav-link{background:none;border:1px solid var(--line);border-radius:8px;color:#c6c6c9;font-size:14px;font-weight:500;padding:10px 16px;cursor:pointer;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
.footer__nav-link:hover{color:var(--accent);border-color:var(--line-strong);background:var(--surface);}
.footer__nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.footer__nav-link[aria-current="page"]{color:var(--accent);border-color:rgba(54,236,94,.42);background:rgba(54,236,94,.1);}
.footer__legal{margin-top:26px;color:var(--muted);font-size:13.5px;}

@media (max-width:900px){
  .content__grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .aside{position:static;grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
  .prose{max-width:none;}
}
@media (max-width:600px){
  .container{padding:0 18px;}
  .page-hero{padding:46px 0 24px;}
  .aside{grid-template-columns:minmax(0,1fr);}
  .lang-control select{min-width:112px;padding:8px 30px 8px 12px;font-size:13px;}
  .site-header__bar{padding:13px 18px;}
  .btn{padding:9px 13px;font-size:13px;}
  th,td{padding:12px 14px;font-size:14px;}
  .page-hero h1,.prose h2{overflow-wrap:anywhere;}
}

/* Native links for reliable navigation and source attribution */
a.btn{ text-decoration:none; }
.footer__nav a.footer__nav-link{display:inline-flex;align-items:center;text-decoration:none;}
.prose a,.card a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.prose a:hover,.card a:hover{color:#a8ffb8;}
.source-panel{margin:28px 0 22px;padding:20px 22px;background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius);}
.source-panel h3{font-size:16px;margin:0 0 12px;color:var(--text);}
.source-panel ul{margin:0;padding-left:20px;display:grid;gap:9px;color:#c6c6c9;}
.source-panel li::marker{color:var(--accent);}
.source-panel a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere;}
.source-date{color:var(--muted);font-size:13px;}
.source-note{margin:14px 0 0;color:var(--muted);font-size:13px;line-height:1.6;}