:root{
  --bg:#14171a; --panel:#1b1f23; --panel-2:#20252a;
  --ink:#e6e9ec; --ink-mid:#aab2ba; --ink-mute:#7c848c;
  --rule:#2a3037; --accent:#7fa8c4;
  --s1:#6ea8fe; --s2:#5ec7a8; --s3:#b892e6;   /* strand hues, colour follows entity */
  --warn:#fab219;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1000px;margin:0 auto;padding:0 1.25rem}

/* --- site header / nav --- */
header.site{border-bottom:1px solid var(--rule)}
header.site .bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 1.25rem}
.wordmark{font-size:1.15rem;font-weight:600;letter-spacing:-.01em;color:var(--ink)}
.wordmark:hover{text-decoration:none}
.wordmark .dot{color:var(--accent)}
header.site nav{display:flex;gap:1.1rem}
header.site nav a{color:var(--ink-mute);font-size:.9rem}
header.site nav a:hover{color:var(--ink);text-decoration:none}
header.site nav a.active{color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:2px}

/* --- shared blocks --- */
.note{background:var(--panel);border:1px solid var(--rule);border-left:3px solid var(--accent);
  border-radius:4px;padding:.7rem .9rem;margin:1.2rem 0;color:var(--ink-mid);font-size:.9rem}

/* --- dashboard --- */
.headline{display:flex;gap:1.5rem;align-items:baseline;flex-wrap:wrap;margin:1.4rem 0 .4rem}
.headline .big{font-size:2.6rem;font-weight:650;letter-spacing:-.02em;line-height:1}
.headline .cap{color:var(--ink-mute);font-size:.85rem;max-width:34rem}

section.strand{margin:2.2rem 0}
.strand-head{display:flex;align-items:center;gap:.6rem;margin:0 0 .2rem}
.swatch{width:11px;height:11px;border-radius:2px;flex:none}
.strand-head h2{font-size:1.05rem;font-weight:600;margin:0}
.strand-head .sub{color:var(--ink-mute);font-size:.82rem;margin-left:auto}

.charts{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:.6rem}
@media(max-width:720px){.charts{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--rule);border-radius:6px;padding:.85rem .95rem}
.card h3{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;
  color:var(--ink-mute);margin:0 0 .1rem}
.card .metric{font-size:1.15rem;font-weight:600;margin:.1rem 0 .5rem}
.card .metric small{font-weight:400;color:var(--ink-mute);font-size:.8rem}
.card.awaiting{display:flex;flex-direction:column;justify-content:center;min-height:170px;color:var(--ink-mute)}
.card.awaiting .why{font-size:.82rem;margin-top:.3rem;line-height:1.5}
svg.chart{display:block;width:100%;height:auto}

.explainer{color:var(--ink-mute);font-size:.85rem;margin:1.6rem 0 .4rem}
.tip{position:fixed;pointer-events:none;background:var(--panel-2);border:1px solid var(--rule);
  border-radius:4px;padding:.35rem .5rem;font-size:.76rem;color:var(--ink);opacity:0;
  transition:opacity .08s;white-space:nowrap;z-index:5;box-shadow:0 4px 14px rgba(0,0,0,.4)}
.tip b{font-weight:600}
.caveat{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.74rem;color:var(--ink-mute);
  background:var(--panel);border:1px solid var(--rule);border-radius:4px;padding:.55rem .7rem;margin:.7rem 0 0}
.badge{display:inline-block;margin-left:.35rem;padding:.03rem .38rem;border:1px solid var(--warn);
  color:var(--warn);border-radius:3px;font-size:.66rem;text-transform:uppercase;letter-spacing:.06em}

/* --- content pages (methodology / about) --- */
.content{max-width:44rem;margin:1.4rem 0 0}
.content h1{font-size:1.5rem;font-weight:600;letter-spacing:-.01em;margin:.2rem 0 .2rem}
.content h2{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;
  color:var(--ink-mute);margin:2rem 0 .6rem}
.content p{margin:0 0 1rem;color:var(--ink-mid)}
.content ul{margin:0 0 1rem;padding-left:1.15rem}
.content li{margin-bottom:.5rem;color:var(--ink-mid)}
.content .lede{color:var(--ink);font-size:1.05rem}
.content code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.86em;
  background:var(--panel);padding:.05rem .3rem;border-radius:3px}
table.terms{border-collapse:collapse;width:100%;font-size:.9rem;margin:0 0 1rem}
table.terms th,table.terms td{text-align:left;padding:.45rem .6rem .45rem 0;border-bottom:1px solid var(--rule);vertical-align:top}
table.terms th{color:var(--ink-mute);font-weight:600}

/* --- site footer --- */
footer.site{border-top:1px solid var(--rule);margin-top:2.5rem;padding:1.3rem 0 2.6rem;color:var(--ink-mute);font-size:.82rem}
footer.site p{margin:0 0 .5rem;max-width:52rem}
footer.site .fine{color:var(--ink-mute);font-size:.78rem}

/* --- hero map placeholder --- */
.hero-map{margin:1.3rem 0 .4rem}
.hm-frame{position:relative;border:1px solid var(--rule);border-radius:8px;overflow:hidden;background:#111418}
.worldmap{display:block;width:100%;height:auto}
.worldmap .land{fill:#222a31;stroke:#313b45;stroke-width:0.4}
.worldmap .presence circle{fill:var(--ink-mid);opacity:0.16}
.worldmap .events circle{stroke-linejoin:round}
.hm-top{position:absolute;top:.7rem;left:.9rem;pointer-events:none}
.hm-title{font-size:1.05rem;font-weight:600;color:var(--ink);letter-spacing:-.01em;
  text-shadow:0 1px 6px rgba(0,0,0,.6)}
.hm-sub{font-size:.78rem;color:var(--ink-mid);text-shadow:0 1px 6px rgba(0,0,0,.6)}
.hm-badge{position:absolute;top:.7rem;right:.9rem;font-size:.66rem;text-transform:uppercase;
  letter-spacing:.07em;color:var(--warn);border:1px solid var(--warn);border-radius:3px;
  padding:.08rem .4rem;background:rgba(20,23,26,.55)}
.hm-foot{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap;
  margin:.5rem .1rem 0}
.hm-legend{display:flex;gap:.9rem;flex-wrap:wrap;font-size:.76rem;color:var(--ink-mid)}
.hm-legend .lk{display:inline-flex;align-items:center;gap:.3rem}
.hm-legend .sw{width:9px;height:9px;border-radius:50%;display:inline-block}
.hm-legend .sw.pres{background:var(--ink-mid);opacity:.5;border-radius:50%}
.hm-cav{font-size:.74rem;color:var(--ink-mute);max-width:34rem;text-align:right}
@media(max-width:640px){.hm-cav{text-align:left}}