@import url("https://fonts.googleapis.com/css2?family=Golos+Text:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=Unbounded:wght@500;700&display=swap");
#atlas-ost{
  --ground: #EFF2F3;
  --surface: #FFFFFF;
  --surface-2: #F7F9FA;
  --ink: #141A1D;
  --ink-2: #47555C;
  --ink-3: #76878E;
  --line: #D5DDE0;
  --line-strong: #B2BFC4;
  --accent: #146B60;
  --accent-soft: #DFEEEB;
  --c1: #5A6971;
  --c1-soft: #E5EAEC;
  --c2: #8A5A2B;
  --c2-soft: #F3E8DC;
  --c3: #146B60;
  --c3-soft: #DCEDEA;
  --warn: #9A5B12;
  --warn-soft: #F7EBDA;
  --plate: #FFFFFF;
  --shadow: 0 1px 2px rgba(20,26,29,.05), 0 8px 24px -12px rgba(20,26,29,.18);
}

#atlas-ost *{ box-sizing: border-box; }

#atlas-ost{
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: "Golos Text", "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

#atlas-ost .wrap{
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 28px 96px;
}

/* ---------- header ---------- */
#atlas-ost .masthead{
  padding: 72px 0 40px;
  border-bottom: 2px solid var(--ink);
  display: flex;
  flex-direction: column;
  gap: 22px;
}
#atlas-ost .eyebrow{
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}
#atlas-ost h1{
  font-family: "Unbounded", "Golos Text", sans-serif;
  font-weight: 700;
  font-size: clamp(34px, 5.4vw, 60px);
  line-height: 1.02;
  letter-spacing: -.02em;
  margin: 0;
  text-wrap: balance;
}
#atlas-ost .standfirst{
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 72ch;
  margin: 0;
}
#atlas-ost .meta-row{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12.5px;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
#atlas-ost .meta-row b{ color: var(--ink); font-weight: 500; }

/* ---------- sections ---------- */
#atlas-ost section{ padding-top: 64px; }
#atlas-ost h2{
  font-family: "Unbounded", "Golos Text", sans-serif;
  font-weight: 500;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -.015em;
  line-height: 1.15;
  margin: 0 0 8px;
  text-wrap: balance;
}
#atlas-ost .sec-note{
  color: var(--ink-2);
  max-width: 78ch;
  margin: 0 0 28px;
}
#atlas-ost h3{
  font-family: "Golos Text", sans-serif;
  font-weight: 600;
  font-size: 19px;
  margin: 0 0 6px;
  letter-spacing: -.01em;
}
#atlas-ost .subhead{
  margin: 40px 0 14px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 500;
}
#atlas-ost .subhead--1{ color: var(--c1); }
#atlas-ost .subhead--2{ color: var(--c2); }
#atlas-ost .subhead--3{ color: var(--c3); }
#atlas-ost p{ margin: 0 0 14px; }
#atlas-ost p:last-child{ margin-bottom: 0; }

/* ---------- key findings ---------- */
#atlas-ost .findings{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}
#atlas-ost .finding{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#atlas-ost .finding .num{
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.03em;
}
#atlas-ost .finding .lede{ font-weight: 600; font-size: 15.5px; line-height: 1.35; }
#atlas-ost .finding p{ font-size: 14.5px; color: var(--ink-2); line-height: 1.5; margin: 0; }

/* ---------- class taxonomy ---------- */
#atlas-ost .classes{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
#atlas-ost .cls{
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--cc);
  border-radius: 4px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
#atlas-ost .cls--1{ --cc: var(--c1); }
#atlas-ost .cls--2{ --cc: var(--c2); }
#atlas-ost .cls--3{ --cc: var(--c3); }
#atlas-ost .cls .tag{
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cc);
  font-weight: 700;
}
#atlas-ost .cls h3{ margin: 0; }
#atlas-ost .cls .desc{ font-size: 14.5px; color: var(--ink-2); line-height: 1.5; }
#atlas-ost .cls ul{ margin: 0; padding-left: 18px; font-size: 14px; color: var(--ink-2); }
#atlas-ost .cls li{ margin-bottom: 3px; }
#atlas-ost .cls .verdict{
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink);
}

/* ---------- tables ---------- */
#atlas-ost .tablewrap{
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  overflow: hidden;
}
#atlas-ost table{
  border-collapse: collapse;
  width: 100%;
  font-size: 13.4px;
}
#atlas-ost .master{ table-layout: fixed; }
#atlas-ost thead th{
  background: var(--surface-2);
  border-bottom: 2px solid var(--line-strong);
  text-align: left;
  padding: 11px 12px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10.8px;
  letter-spacing: .07em;
  line-height: 1.5;
  text-transform: uppercase;
  color: var(--ink-2);
  font-weight: 500;
  vertical-align: bottom;
}
#atlas-ost thead th span{ display: block; }
#atlas-ost thead th span + span{ color: var(--ink-3); }
#atlas-ost tbody td{
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: var(--ink-2);
  overflow-wrap: break-word;
}
#atlas-ost tbody tr:last-child td{ border-bottom: none; }
#atlas-ost tbody tr:hover td{ background: var(--surface-2); }
#atlas-ost td.name{ color: var(--ink); font-weight: 600; }
#atlas-ost .sub{ color: var(--ink-3); }
#atlas-ost .nb{ white-space: nowrap; }
#atlas-ost td.sys-cell .n{ display: block; color: var(--ink); font-weight: 600; line-height: 1.3; }
#atlas-ost td.sys-cell .o{
  display: block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10.5px;
  letter-spacing: .03em;
  color: var(--ink-3);
  margin-top: 2px;
  line-height: 1.4;
}
#atlas-ost td.sys-cell a{
  display: block;
  margin-top: 5px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10.5px;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  overflow-wrap: anywhere;
  line-height: 1.4;
}
#atlas-ost td.sys-cell a:hover, #atlas-ost td.sys-cell a:focus-visible{ border-bottom-color: var(--accent); }
#atlas-ost td.sys-cell .nolink{
  display: block;
  margin-top: 5px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10.5px;
  color: var(--ink-3);
  line-height: 1.4;
}
#atlas-ost td.num, #atlas-ost .num-cell{
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  line-height: 1.45;
}
#atlas-ost td.num .sub{ font-family: "Golos Text", sans-serif; font-size: 12px; }
#atlas-ost .chip{
  display: inline-block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .05em;
  padding: 2px 7px;
  border-radius: 3px;
  line-height: 1.5;
}
#atlas-ost .chip--1{ background: var(--c1-soft); color: var(--c1); }
#atlas-ost .chip--2{ background: var(--c2-soft); color: var(--c2); }
#atlas-ost .chip--3{ background: var(--c3-soft); color: var(--c3); }
#atlas-ost .chip--cold{ background: var(--surface-2); color: var(--ink-3); border: 1px solid var(--line); }
#atlas-ost .chip--warm{ background: var(--accent-soft); color: var(--accent); }
#atlas-ost .flag{
  display: inline-block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .05em;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--warn-soft);
  color: var(--warn);
  border: 1px solid var(--warn);
  line-height: 1.5;
}
#atlas-ost .rowgroup td{
  background: var(--surface-2);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding: 9px 12px;
}

@media (max-width: 1440px) {
  #atlas-ost table{ font-size: 12.7px; }
  #atlas-ost thead th, #atlas-ost tbody td{ padding-left: 9px; padding-right: 9px; }
  #atlas-ost .rowgroup td{ padding-left: 9px; padding-right: 9px; }
}

/* stacked-card fallback: the table never scrolls sideways */
@media (max-width: 1180px){
  .master, .master tbody, .master tr, .master td { display: block; width: auto; }
  #atlas-ost .master thead{ display: none; }
  #atlas-ost .tablewrap{ border: none; background: none; border-radius: 0; overflow: visible; }
  #atlas-ost .master tbody{ display: flex; flex-direction: column; gap: 16px; }
  #atlas-ost .master tbody tr{
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 5px;
    padding: 2px 16px 14px;
    box-shadow: var(--shadow);
  }
  #atlas-ost .master tbody tr:hover td{ background: none; }
  #atlas-ost .master tbody td{
    border-bottom: 1px solid var(--line);
    padding: 8px 0;
    display: grid;
    grid-template-columns: minmax(96px, 30%) 1fr;
    gap: 4px 14px;
    align-items: baseline;
  }
  #atlas-ost .master tbody td::before{
    content: attr(data-l);
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 10.2px;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--ink-3);
    line-height: 1.5;
  }
  #atlas-ost .master tbody td.sys-cell{
    display: block;
    border-bottom: 1px solid var(--line-strong);
    padding-top: 12px;
  }
  #atlas-ost .master tbody td.sys-cell::before{ content: none; }
  #atlas-ost .master tbody td.sys-cell .n{ font-size: 16px; }
  #atlas-ost .master tbody tr.rowgroup{
    background: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 22px 0 0;
  }
  #atlas-ost .master tbody tr.rowgroup:first-child{ padding-top: 0; }
  #atlas-ost .master tbody tr.rowgroup td{
    display: block;
    padding: 11px 14px;
    background: var(--surface-2);
    border: 1px solid var(--line-strong);
    border-radius: 5px;
  }
  #atlas-ost .master tbody tr.rowgroup td::before{ content: none; }
  #atlas-ost .master tbody td:last-child{ border-bottom: none; }
#atlas-ost }

/* mobile rhythm: more air between blocks, #atlas-ost a visible line between sections */
@media (max-width: 900px){
  section {
    padding-top: 40px;
    margin-top: 40px;
    border-top: 1px solid var(--line-strong);
  }
  #atlas-ost section:first-of-type{ margin-top: 0; border-top: none; }
  #atlas-ost .findings, #atlas-ost .classes, #atlas-ost .sysgrid, #atlas-ost .gal{ gap: 20px; }
  #atlas-ost .verdicts{ gap: 18px; }
  #atlas-ost .bars{ gap: 18px; padding: 22px 18px; }
  #atlas-ost .subhead{ margin: 34px 0 14px; }
  #atlas-ost .sources{ margin-top: 48px; }
#atlas-ost }

/* ---------- bar chart ---------- */
.bars{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 13px;
}
#atlas-ost .bar-row{
  display: grid;
  grid-template-columns: minmax(160px, 280px) 1fr 62px;
  align-items: center;
  gap: 14px;
}
#atlas-ost .bar-label{ font-size: 13.5px; font-weight: 500; color: var(--ink); line-height: 1.25; }
#atlas-ost .bar-label span{ display: block; font-size: 11.5px; color: var(--ink-3); font-weight: 400; }
#atlas-ost .bar-track{
  height: 22px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}
#atlas-ost .bar-fill{ height: 100%; background: var(--bc, var(--accent)); }
#atlas-ost .bar-val{
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
  font-weight: 700;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

/* ---------- construction gallery ---------- */
#atlas-ost .gal{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}
#atlas-ost .gal figure.wide{ grid-column: 1 / -1; }
#atlas-ost .gal figure{
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
#atlas-ost .gal .plate{
  background: var(--plate);
  display: block;
  line-height: 0;
}
#atlas-ost .gal img{ display: block; width: 100%; height: auto; }
#atlas-ost .gal figcaption{
  padding: 10px 12px;
  font-size: 12.6px;
  color: var(--ink-2);
  line-height: 1.4;
  border-top: 1px solid var(--line);
  flex: 1;
}
#atlas-ost .gal figcaption b{
  display: block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10.2px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  margin-bottom: 3px;
}
#atlas-ost .gal-note{
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11.5px;
  color: var(--ink-3);
  margin: 14px 0 0;
  letter-spacing: .02em;
}

/* ---------- system detail cards ---------- */
#atlas-ost .sysgrid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 16px;
}
#atlas-ost .sys{
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cc);
  border-radius: 4px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
#atlas-ost .sys--1{ --cc: var(--c1); }
#atlas-ost .sys--2{ --cc: var(--c2); }
#atlas-ost .sys--3{ --cc: var(--c3); }
#atlas-ost .sys-head{ display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
#atlas-ost .sys-head h3{ margin: 0; }
#atlas-ost .origin{
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: .05em;
}
#atlas-ost .specs{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  font-size: 13.5px;
  margin: 0;
}
#atlas-ost .specs dt{ color: var(--ink-3); }
#atlas-ost .specs dd{
  margin: 0;
  color: var(--ink);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12.8px;
  font-variant-numeric: tabular-nums;
}
#atlas-ost .sys .take{
  font-size: 13.8px;
  color: var(--ink-2);
  line-height: 1.5;
  border-top: 1px dashed var(--line-strong);
  padding-top: 10px;
  margin-top: 2px;
}
#atlas-ost .sys .take b{ color: var(--ink); font-weight: 600; }

/* ---------- callout ---------- */
#atlas-ost .callout{
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#atlas-ost .callout h3{ color: var(--ink); }
#atlas-ost .callout p{ color: var(--ink-2); font-size: 15px; max-width: 90ch; }
#atlas-ost .callout--warn{ background: var(--warn-soft); border-color: var(--warn); }

/* ---------- verdict list ---------- */
#atlas-ost .verdicts{ display: flex; flex-direction: column; gap: 14px; }
#atlas-ost .verdict-item{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 20px 22px;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 4px 16px;
  align-items: start;
}
#atlas-ost .verdict-item .vn{
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  padding-top: 2px;
  font-variant-numeric: tabular-nums;
}
#atlas-ost .verdict-item h3{ margin: 0 0 4px; }
#atlas-ost .verdict-item p{ font-size: 14.6px; color: var(--ink-2); max-width: 95ch; }
#atlas-ost .verdict-item .vbody{ grid-column: 2; }

/* ---------- footnote ---------- */
#atlas-ost .sources{
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.65;
}
#atlas-ost .sources h3{ font-size: 14px; color: var(--ink-2); margin-bottom: 8px; }
#atlas-ost .sources p{ max-width: 105ch; }
#atlas-ost .sources a{ color: var(--accent); text-decoration: none; border-bottom: 1px solid transparent; }
#atlas-ost .sources a:hover, #atlas-ost .sources a:focus-visible{ border-bottom-color: var(--accent); }
#atlas-ost .docs{ display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 8px 22px; margin: 10px 0 0; padding: 0; list-style: none; }
#atlas-ost .docs li{ font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 11.5px; line-height: 1.5; }
#atlas-ost .docs li b{ color: var(--ink-2); font-weight: 500; }
#atlas-ost a:focus-visible, #atlas-ost [tabindex]:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  #atlas-ost *{ animation: none !important; transition: none !important; }
}
@media (max-width: 620px) {
  #atlas-ost .wrap{ padding: 0 16px 72px; }
  #atlas-ost .findings, #atlas-ost .classes, #atlas-ost .sysgrid, #atlas-ost .gal{ gap: 18px; }
  #atlas-ost .sys, #atlas-ost .cls, #atlas-ost .finding, #atlas-ost .verdict-item{ padding: 18px; }
  #atlas-ost .callout{ padding: 20px 18px; }
  #atlas-ost .masthead{ padding: 48px 0 32px; }
  #atlas-ost .bar-row{ grid-template-columns: 1fr 54px; }
  #atlas-ost .bar-row .bar-track{ grid-column: 1 / -1; }
  #atlas-ost .verdict-item{ grid-template-columns: 1fr; }
  #atlas-ost .verdict-item .vbody{ grid-column: 1; }
}
#atlas-ost .wrap { max-width: none; width: 100%; margin-left: auto; margin-right: auto; padding-left: 15px; padding-right: 15px; }
@media (min-width: 1200px) { #atlas-ost .wrap { width: 1126px; padding-left: 0; padding-right: 0; } }
@media (min-width: 1281px) { #atlas-ost .wrap { width: 1216px; } }
@media (min-width: 1367px) { #atlas-ost .wrap { width: 92%; } }
#atlas-ost .prov { font-size: 14.5px; color: var(--ink-3); max-width: 78ch; margin: 0; padding-left: 14px; border-left: 2px solid var(--line-strong); }