/* ============================================================
   site.css — shared foundation for every page
   Variables · reset · site nav · footer · prose · components
   Loaded FIRST on each page; page-specific styles follow in
   a per-page <style> block.
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --paper:#E4E8EB;
  --card:#FFFFFF;
  --ink:#141D29;
  --muted:#5C6875;
  --rule:#C3CCD3;
  --rule-soft:#DCE2E7;
  --eu:#26386B;
  --eu-soft:#E6EAF4;
  --us:#8F6113;
  --us-soft:#F6EEDC;
  --flag:#8C2B1E;

  --display:'Archivo',system-ui,sans-serif;
  --body:'Source Serif 4',Georgia,serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}

html{-webkit-text-size-adjust:100%}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:17px;
  line-height:1.65;
  padding:0 20px 80px;
}
.wrap{max-width:940px;margin:0 auto}

img{max-width:100%;height:auto}
a{color:var(--eu);text-decoration:none}

:focus-visible{outline:2.5px solid var(--eu);outline-offset:3px;border-radius:2px}

/* ---------- site navigation (every page) ---------- */
.site-nav{
  display:flex;align-items:center;justify-content:space-between;gap:14px 30px;flex-wrap:wrap;
  padding:26px 0 18px;border-bottom:1px solid var(--rule);margin-bottom:34px;
}
.brand{
  font-family:var(--display);font-weight:800;letter-spacing:-.02em;color:var(--ink);font-size:1.3rem;
}
.brand small{
  display:block;font-family:var(--mono);font-size:9.5px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:2px;
}
.site-nav nav{display:flex;gap:6px 24px;flex-wrap:wrap}
.site-nav nav a{
  font-family:var(--display);font-size:13.5px;font-weight:600;color:var(--muted);
  padding:5px 0 7px;border-bottom:2px solid transparent;letter-spacing:.01em;
}
.site-nav nav a:hover{color:var(--ink);border-bottom-color:var(--eu)}
.site-nav nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--eu)}

/* ---------- footer (every page) ---------- */
.site-foot{
  margin-top:76px;padding-top:26px;border-top:2px solid var(--ink);
  display:flex;gap:40px;flex-wrap:wrap;align-items:flex-start;
}
.site-foot .foot-col{min-width:170px;display:flex;flex-direction:column;gap:7px}
.site-foot .foot-col strong{
  font-family:var(--display);font-size:11.5px;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);margin-bottom:2px;
}
.site-foot a{color:var(--eu);text-decoration:none;border-bottom:1px solid var(--eu-soft)}
.site-foot a:hover{border-bottom-color:var(--eu)}
.site-foot .foot-note{color:var(--muted);font-size:13px;max-width:44ch;margin-left:auto}

/* ---------- breadcrumb ---------- */
.crumbs{
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  padding:0 0 18px;color:var(--muted);
}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:0 8px}
.crumbs li::after{content:"/";margin-left:8px;color:var(--rule)}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--eu);text-decoration:none;border-bottom:1px solid transparent}
.crumbs a:hover{border-bottom-color:var(--eu)}
.crumbs [aria-current]{color:var(--ink)}

/* ---------- masthead ---------- */
.mast{padding:0 0 30px;border-bottom:2px solid var(--ink)}
.eyebrow{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  display:flex;flex-wrap:wrap;gap:6px 14px;margin-bottom:20px;
}
.eyebrow b{color:var(--eu);font-weight:600}
h1{
  font-family:var(--display);font-weight:800;
  font-size:clamp(2.1rem,6.2vw,3.6rem);
  line-height:1.02;letter-spacing:-.033em;
}
h1 .sys-eu{color:var(--eu)}
h1 .sys-us{color:var(--us)}
.standfirst{
  margin-top:16px;max-width:56ch;font-size:1.06rem;color:var(--muted);
}

/* ---------- prose sections ---------- */
section{margin-top:56px}
h2{
  font-family:var(--display);font-weight:700;
  font-size:clamp(1.35rem,3.6vw,1.85rem);letter-spacing:-.022em;line-height:1.18;
  padding-bottom:10px;border-bottom:1.5px solid var(--ink);margin-bottom:20px;
}
h3{
  font-family:var(--display);font-weight:600;font-size:1.02rem;
  letter-spacing:-.005em;margin-bottom:5px;
}
p{max-width:68ch;margin-bottom:14px}
p:last-child{margin-bottom:0}

/* ---------- two-column explainer ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1.5px solid var(--rule);background:var(--card)}
.split>div{padding:22px}
.split>div:first-child{border-right:1.5px solid var(--rule)}
.split .unit{
  font-family:var(--mono);font-size:1.55rem;font-weight:600;letter-spacing:-.02em;margin-bottom:2px;
}
.split .sys-name{
  font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;margin-bottom:14px;
}
.split>div:first-child .sys-name,.split>div:first-child .unit{color:var(--eu)}
.split>div:last-child .sys-name,.split>div:last-child .unit{color:var(--us)}
.split p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:var(--card);border:1.5px solid var(--rule);padding:20px}
.card .num{
  font-family:var(--mono);font-size:11px;font-weight:600;color:var(--us);
  letter-spacing:.16em;margin-bottom:10px;
}
.card p{font-size:14.5px;color:var(--muted);margin-bottom:10px}
.card .formula{
  font-family:var(--mono);font-size:12.5px;background:#F1F4F6;
  border-left:2.5px solid var(--eu);padding:9px 11px;color:var(--ink);
  overflow-wrap:anywhere;
}

/* ---------- table ---------- */
table{width:100%;border-collapse:collapse;background:var(--card);border:1.5px solid var(--rule)}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--rule-soft);font-size:14.5px}
th{
  font-family:var(--display);font-size:11.5px;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--muted);background:#F1F4F6;
}
td{font-family:var(--mono);font-size:13.5px;font-variant-numeric:tabular-nums}
td.deg{font-family:var(--body);font-size:14.5px}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:#F6F8F9}

/* ---------- warning box ---------- */
.warn{
  background:var(--card);border:1.5px solid var(--flag);border-left-width:5px;
  padding:20px 22px;margin-top:24px;
}
.warn h3{color:var(--flag)}
.warn p{font-size:15px;margin-bottom:0}

/* ---------- FAQ ---------- */
dl.faq{border-top:1.5px solid var(--rule)}
dl.faq>div{border-bottom:1px solid var(--rule-soft);padding:18px 0}
dt{font-family:var(--display);font-weight:600;font-size:1rem;margin-bottom:6px}
dd{color:var(--muted);font-size:15px;max-width:70ch}

/* ---------- sources ---------- */
.sources{background:var(--card);border:1.5px solid var(--rule);padding:22px 24px;margin-top:14px}
.sources ul{list-style:none;font-size:14px;line-height:1.5}
.sources li{padding:9px 0;border-bottom:1px dotted var(--rule);display:flex;gap:14px;flex-wrap:wrap}
.sources li:last-child{border-bottom:none}
.sources .what{font-family:var(--display);font-weight:600;font-size:13px;min-width:190px;flex-shrink:0}
.sources .who{color:var(--muted)}
.sources a{color:var(--eu);text-decoration:none;border-bottom:1px solid var(--rule)}
.sources a:hover{border-bottom-color:var(--eu)}
.verified{
  font-family:var(--mono);font-size:11.5px;color:var(--muted);
  margin-top:18px;padding-top:16px;border-top:1.5px solid var(--rule);letter-spacing:.02em;
}

/* ---------- related strip ---------- */
.related{
  background:var(--card);border:1.5px solid var(--rule);border-top:none;
  padding:18px 26px;display:flex;flex-wrap:wrap;gap:8px 26px;align-items:baseline;
}
.related .rel-tag{
  font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);
}
.related a{
  font-family:var(--display);font-size:14px;font-weight:600;color:var(--eu);
  text-decoration:none;border-bottom:1.5px solid var(--eu-soft);
}
.related a:hover{border-bottom-color:var(--eu)}

@media (max-width:760px){
  body{font-size:16px;padding:0 15px 60px}
  .related{padding:16px 18px;gap:6px 18px}
  .split{grid-template-columns:1fr}
  .split>div:first-child{border-right:none;border-bottom:1.5px solid var(--rule)}
  .cards{grid-template-columns:1fr}
  .sources .what{min-width:0}
  .site-nav{padding-top:20px}
  .site-foot .foot-note{margin-left:0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* ============================================================
   Grade converters (percentage / CGPA / GPA pages)
   ============================================================ */
.conv{
  background:var(--card);border:1.5px solid var(--rule);margin-top:-2px;
  display:grid;grid-template-columns:1fr 1fr;
}
.pane{padding:26px 26px 28px}
.pane-in{border-right:1.5px solid var(--rule);background:linear-gradient(180deg,var(--eu-soft),transparent 120px)}
.pane-out{background:linear-gradient(180deg,var(--us-soft),transparent 120px)}
.pane-tag{
  font-family:var(--mono);font-size:10.5px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;
  display:flex;align-items:center;gap:8px;margin-bottom:18px;
}
.pane-in .pane-tag{color:var(--eu)}
.pane-out .pane-tag{color:var(--us)}
.pane-tag::after{content:"";flex:1;height:1px;background:currentColor;opacity:.28}

.conv label{
  display:block;font-family:var(--display);font-size:12.5px;font-weight:600;
  letter-spacing:.02em;color:var(--muted);margin-bottom:7px;
}
.conv input[type=number]{
  width:100%;font-family:var(--mono);font-size:2.3rem;font-weight:600;
  color:var(--ink);background:transparent;
  border:none;border-bottom:2.5px solid var(--eu);padding:2px 0 6px;
}
.conv input[type=number]:focus{outline:none;border-bottom-color:var(--flag)}
.conv input::-webkit-outer-spin-button,.conv input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.conv input[type=number]{-moz-appearance:textfield}
.conv select{
  width:100%;font-family:var(--mono);font-size:1rem;font-weight:500;
  border:1px solid var(--rule);border-radius:2px;padding:7px 9px;background:#fff;color:var(--ink);
}
.conv .methods{margin-top:26px;display:flex;flex-direction:column;gap:2px}
.conv .m{
  display:flex;align-items:flex-start;gap:10px;cursor:pointer;
  padding:9px 10px;border:1px solid transparent;border-radius:3px;
}
.conv .m:hover{background:var(--eu-soft)}
.conv .m input{margin-top:5px;accent-color:var(--eu);flex-shrink:0}
.conv .m-name{font-family:var(--display);font-size:14px;font-weight:600;display:block}
.conv .m-note{font-size:13px;color:var(--muted);line-height:1.4;display:block}
.conv .m.on{background:var(--eu-soft);border-color:var(--eu)}

.conv .sub-fields{display:none;margin:14px 0 0;padding:16px;background:#F4F6F8;border-left:2.5px solid var(--eu)}
.conv .sub-fields.show{display:block}
.conv .field-row{display:flex;gap:12px;flex-wrap:wrap}
.conv .field-row>div{flex:1;min-width:88px}
.conv .hint{font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.45}

.conv .readout{margin-bottom:22px}
.conv .readout:last-of-type{margin-bottom:0}
.conv .r-label{
  font-family:var(--display);font-size:12.5px;font-weight:600;
  color:var(--muted);letter-spacing:.02em;
}
.conv .r-value{
  font-family:var(--mono);font-weight:600;color:var(--us);
  font-size:2.7rem;line-height:1.05;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.conv .r-value.minor{font-size:1.75rem;color:var(--ink)}
.conv .r-unit{font-family:var(--display);font-size:13px;font-weight:500;color:var(--muted);margin-left:2px}

.conv .workload{
  margin-top:24px;padding-top:18px;border-top:1px solid var(--rule-soft);
  font-family:var(--mono);font-size:12.5px;color:var(--muted);line-height:1.9;
}
.conv .workload b{color:var(--ink);font-weight:600}

/* grade ladder (0–4.0) */
.verdictbox{
  background:var(--ink);color:#EDF1F4;border:1.5px solid var(--ink);border-top:none;
  padding:30px 26px 28px;
}
.verdictbox-tag{
  font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:#8FA3B8;margin-bottom:6px;
}
.gverdict{
  font-family:var(--display);font-weight:700;
  font-size:clamp(1.15rem,3.2vw,1.5rem);line-height:1.28;letter-spacing:-.017em;
  max-width:46ch;margin-bottom:6px;
}
.gverdict em{font-style:normal;color:#E8B44C}
.gverdict-note{font-size:14.5px;color:#A9BACA;max-width:62ch;line-height:1.55}

.gscale{margin-top:32px;position:relative;height:92px}
.gtrack{
  position:absolute;top:34px;left:0;right:0;height:15px;border-radius:2px;
  background:linear-gradient(90deg,#7A2218,#8F6113 42%,#26386B 78%,#152C49);
}
.gtick{position:absolute;top:0;bottom:0;width:1px;background:#3E4C5C}
.gtick::after{content:"";position:absolute;top:30px;left:-.5px;width:2px;height:22px;background:#7D90A5}
.gtick-lab{
  position:absolute;top:0;left:0;transform:translateX(-50%);
  font-family:var(--mono);font-size:10px;letter-spacing:.03em;color:#8FA3B8;
  text-align:center;width:70px;line-height:1.35;
}
.gtick-lab b{display:block;color:#CFDAE4;font-weight:600;font-size:11px}
.you{position:absolute;top:26px;transform:translateX(-50%);transition:left .38s cubic-bezier(.4,0,.2,1)}
.you-dot{width:14px;height:14px;background:#fff;border:3.5px solid #E8B44C;border-radius:50%;margin:0 auto}
.you-lab{
  font-family:var(--mono);font-size:11px;font-weight:600;color:#fff;
  white-space:nowrap;margin-top:8px;text-align:center;
}

@media (max-width:760px){
  .conv{grid-template-columns:1fr}
  .pane-in{border-right:none;border-bottom:1.5px solid var(--rule)}
  .gscale{height:100px}
  .gtick-lab{width:58px;font-size:9px}
}

/* ============================================================
   Export / print-to-PDF report (shared, injected by site.js)
   ============================================================ */
.export-bar{
  background:var(--card);border:1.5px solid var(--rule);border-top:none;
  padding:16px 26px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.export-bar button{
  font-family:var(--display);font-size:13.5px;font-weight:700;letter-spacing:.02em;
  color:#fff;background:var(--eu);border:none;border-radius:2px;
  padding:10px 18px;cursor:pointer;
}
.export-bar button:hover{background:#1C2A4E}
.export-bar .export-hint{font-size:13px;color:var(--muted);max-width:48ch;line-height:1.45}

#print-report{display:none}

@media print{
  body{background:#fff;padding:0;color:#111}
  body > *:not(#print-report){display:none !important}
  #print-report{
    display:block !important;
    font-family:Georgia,'Times New Roman',serif;
    color:#111;font-size:14px;line-height:1.55;
  }
  #print-report .pr-brand{
    font-family:Arial,sans-serif;font-weight:800;letter-spacing:-.02em;font-size:22px;
    border-bottom:3px solid #111;padding-bottom:8px;margin-bottom:6px;
  }
  #print-report .pr-brand small{
    display:block;font-family:Arial,sans-serif;font-size:8.5px;font-weight:600;
    letter-spacing:.18em;text-transform:uppercase;color:#666;margin-top:2px;
  }
  #print-report .pr-title{
    font-family:Arial,sans-serif;font-weight:800;font-size:26px;letter-spacing:-.02em;
    line-height:1.1;margin:22px 0 4px;
  }
  #print-report .pr-meta{
    font-size:11px;color:#555;margin-bottom:18px;
  }
  #print-report table.pr-table{width:100%;border-collapse:collapse;margin:6px 0 20px}
  #print-report table.pr-table th,#print-report table.pr-table td{
    text-align:left;vertical-align:top;padding:8px 12px;border:1px solid #ccc;font-size:13px;
  }
  #print-report table.pr-table th{
    font-family:Arial,sans-serif;font-weight:600;font-size:11px;letter-spacing:.04em;
    text-transform:uppercase;background:#f2f2f2;width:180px;
  }
  #print-report table.pr-table td{font-family:'Courier New',monospace;font-size:13.5px}
  #print-report .pr-verdict{
    border:2px solid #111;padding:14px 18px;margin:0 0 20px;
  }
  #print-report .pr-verdict-tag{
    font-family:Arial,sans-serif;font-size:10px;font-weight:700;letter-spacing:.14em;
    text-transform:uppercase;color:#666;margin-bottom:6px;
  }
  #print-report .pr-verdict-main{font-size:16px;font-weight:bold;margin-bottom:6px}
  #print-report .pr-verdict-note{font-size:12.5px;color:#333}
  #print-report .pr-h2{
    font-family:Arial,sans-serif;font-size:13px;font-weight:700;letter-spacing:.06em;
    text-transform:uppercase;border-bottom:1px solid #999;padding-bottom:4px;margin:22px 0 10px;
  }
  #print-report ul.pr-sources{list-style:none;margin:0;padding:0;font-size:11.5px}
  #print-report ul.pr-sources li{padding:5px 0;border-bottom:1px dotted #bbb}
  #print-report ul.pr-sources strong{font-family:Arial,sans-serif}
  #print-report .pr-disclaimer{
    margin-top:22px;padding-top:10px;border-top:1px solid #999;
    font-size:10.5px;color:#555;
  }
  #print-report .pr-url{font-size:10px;color:#888;margin-top:4px}
}