/* Shared stylesheet for all article pages. © Satmeter. */
:root{
  --bg:#f0f2f5; --bg-accent-1:#e3f0ff; --bg-accent-2:#fff3e0;
  --surface:#fff; --surface-2:#f0f2f5; --border:#dfe3e8; --border-strong:#ccd0d5;
  --blue:#1877f2; --blue-deep:#0b5fce; --blue-soft:#e7f0fe;
  --orange:#f7931a; --orange-deep:#e07d05; --orange-soft:#fff3e0;
  --purple:#8b5cf6; --pink:#f43f8e;
  --green:#088c4a; --green-soft:#e3f6ea; --red:#e41e3f; --red-soft:#ffebee;
  --text:#050505; --text-2:#3a3b3c; --muted:#65676b;
  --shadow-sm:0 1px 2px rgba(0,0,0,.1); --shadow-md:0 2px 8px rgba(0,0,0,.1);
  --shadow-lg:0 8px 24px rgba(0,0,0,.12); --radius:14px;
}
html[data-theme="dark"]{
  --bg:#18191a; --bg-accent-1:#1c2733; --bg-accent-2:#2a2117;
  --surface:#242526; --surface-2:#3a3b3c; --border:#3e4042; --border-strong:#54565a;
  --blue:#2d88ff; --blue-deep:#5ba4ff; --blue-soft:#1c2b3f;
  --orange:#f7931a; --orange-deep:#ffab3d; --orange-soft:#2e2312;
  --purple:#a78bfa; --pink:#f9739f;
  --green:#31d07b; --green-soft:#12291f; --red:#ff6b81; --red-soft:#2e1519;
  --text:#e4e6eb; --text-2:#c8cbd0; --muted:#b0b3b8;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4); --shadow-md:0 2px 10px rgba(0,0,0,.5);
  --shadow-lg:0 8px 26px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
body{
  margin:0;font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  background-image:radial-gradient(ellipse 80% 50% at 15% -5%,var(--bg-accent-1) 0%,transparent 60%),
    radial-gradient(ellipse 70% 45% at 90% 0%,var(--bg-accent-2) 0%,transparent 55%);
  background-repeat:no-repeat;color:var(--text);min-height:100vh;
  padding:28px 18px 70px;-webkit-font-smoothing:antialiased;
}
.shell{display:grid;grid-template-columns:1fr;gap:26px;justify-content:center;max-width:820px;margin:0 auto}
.ad-rail{display:none}
@media (min-width:1400px){
  .shell{grid-template-columns:160px minmax(0,820px) 160px;max-width:1240px}
  .ad-rail{display:block}
}
.ad-rail .ad-sticky{position:sticky;top:26px}
.ad-box{background:var(--surface);border:1px dashed var(--border-strong);border-radius:12px;
  min-height:600px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;color:var(--muted);font-size:11px;text-align:center;padding:12px}
.ad-label{text-transform:uppercase;letter-spacing:.09em;font-weight:600;font-size:9.5px;opacity:.7}
.ad-hint{line-height:1.5;opacity:.55;font-size:10px}
.ad-banner{background:var(--surface);border:1px dashed var(--border-strong);border-radius:12px;
  min-height:100px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:6px;color:var(--muted);font-size:11px;margin:30px 0;padding:14px;text-align:center}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:22px;flex-wrap:wrap}
.back-link,.theme-toggle{display:inline-flex;align-items:center;gap:7px;background:var(--surface);
  border:1px solid var(--border);color:var(--text-2);border-radius:999px;padding:7px 15px;
  font-size:12.5px;font-weight:500;text-decoration:none;box-shadow:var(--shadow-sm);
  transition:all .18s ease;font-family:inherit;cursor:pointer}
.back-link:hover,.theme-toggle:hover{border-color:var(--blue);color:var(--blue)}
.kicker{display:inline-block;background:var(--orange-soft);color:var(--orange-deep);
  border-radius:999px;padding:5px 13px;font-size:11.5px;font-weight:700;letter-spacing:.02em;margin-bottom:14px}
h1{font-size:clamp(27px,4.3vw,40px);line-height:1.13;letter-spacing:-.028em;margin:0 0 12px;font-weight:800}
h1 .gradient-text{background:linear-gradient(100deg,var(--blue) 0%,var(--purple) 50%,var(--pink) 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--blue)}
.standfirst{font-size:17px;line-height:1.6;color:var(--text-2);margin:0 0 8px;font-weight:500}
.byline{font-size:12.5px;color:var(--muted);margin:0 0 26px}
.byline .live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 3px var(--green-soft);margin-right:5px;animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:30px 28px;box-shadow:var(--shadow-md)}
h2{font-size:21px;font-weight:800;letter-spacing:-.02em;margin:34px 0 12px}
h2:first-child{margin-top:0}
h3{font-size:16px;font-weight:700;margin:22px 0 8px}
p,li{color:var(--text-2);font-size:15.5px;line-height:1.8}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:22px}
li{margin-bottom:8px}
a{color:var(--blue);font-weight:500}
strong{color:var(--text)}
table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}
th{font-weight:700;color:var(--text);font-size:12.5px;text-transform:uppercase;letter-spacing:.05em}
td{color:var(--text-2)}
td.num{font-variant-numeric:tabular-nums;font-weight:600;color:var(--orange-deep)}
tbody tr:hover{background:var(--surface-2)}
.callout{background:var(--blue-soft);border:1px solid rgba(24,119,242,.25);border-radius:12px;padding:17px 19px;margin:20px 0}
.callout p{margin:0;font-size:14.5px}
.warn{background:var(--orange-soft);border:1px solid rgba(247,147,26,.35);border-radius:12px;padding:17px 19px;margin:20px 0}
.warn p{margin:0;font-size:14.5px}
/* live widget */
.widget{background:linear-gradient(150deg,var(--blue-soft) 0%,var(--orange-soft) 100%);
  border:1px solid var(--border);border-radius:18px;padding:22px;margin:26px 0}
html[data-theme="dark"] .widget{background:linear-gradient(150deg,#1c2b3f 0%,#2e2312 100%)}
.widget .wlabel{font-size:11px;text-transform:uppercase;letter-spacing:.09em;font-weight:700;color:var(--muted);margin-bottom:12px}
.widget .wrow{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.widget .winput{display:flex;align-items:center;gap:7px;background:var(--surface);
  border:1.5px solid var(--border);border-radius:11px;padding:10px 13px;flex:1 1 150px}
.widget .winput span{color:var(--muted);font-weight:700;font-size:15px}
.widget .winput input{background:transparent;border:none;color:var(--text);width:100%;font-size:17px;
  font-weight:700;font-family:inherit;outline:none;font-variant-numeric:tabular-nums}
.widget select{background:var(--surface);border:1.5px solid var(--border);color:var(--text);
  border-radius:11px;padding:10px 12px;font-size:14px;font-family:inherit;font-weight:600;cursor:pointer}
.widget .wout{margin-top:14px;display:flex;gap:20px;flex-wrap:wrap;align-items:baseline}
.widget .wsats{font-size:30px;font-weight:800;color:var(--orange-deep);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.widget .wbtc{font-size:14px;font-weight:700;color:var(--blue);font-variant-numeric:tabular-nums}
.widget .wmeta{font-size:11.5px;color:var(--muted);margin-top:10px}
/* live basket / index box */
.indexbox{background:var(--surface-2);border:1px solid var(--border);border-radius:16px;padding:22px;margin:26px 0}
.indexbox .big{font-size:38px;font-weight:800;color:var(--orange-deep);font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1.1}
.indexbox .sub{font-size:13px;color:var(--muted);margin-top:6px}
/* halving countdown */
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}
.countdown div{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 8px;text-align:center}
.countdown .cn{font-size:24px;font-weight:800;color:var(--blue);font-variant-numeric:tabular-nums;line-height:1.1}
.countdown .cl{font-size:10.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:600;margin-top:4px}
.cta{display:block;background:var(--blue);color:#fff;text-align:center;text-decoration:none;
  font-weight:700;font-size:15px;border-radius:12px;padding:15px 22px;margin:26px 0;
  box-shadow:0 3px 12px rgba(24,119,242,.32);transition:all .18s ease}
.cta:hover{background:var(--blue-deep);transform:translateY(-1px);color:#fff}
.related{background:var(--surface-2);border-radius:12px;padding:18px 20px;margin:26px 0 0}
.related h3{margin:0 0 10px;font-size:13px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.related ul{margin:0;padding-left:20px}
.related li{margin-bottom:6px;font-size:14.5px}
footer{text-align:center;color:var(--muted);font-size:12.5px;margin-top:28px;padding-top:20px;line-height:1.75}
footer a{color:var(--blue);text-decoration:none}
footer a:hover{text-decoration:underline}
.copyline{font-size:13px;font-weight:700;color:var(--text-2);display:block;margin-bottom:5px}
/* article hub cards */
.hubgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin:24px 0}
.hubcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;
  text-decoration:none;color:inherit;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:9px;
  transition:transform .2s cubic-bezier(.34,1.3,.64,1),box-shadow .2s ease,border-color .2s ease}
.hubcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--blue)}
.hubcard .he{font-size:24px}
.hubcard .ht{font-weight:700;font-size:15px;line-height:1.3}
.hubcard .hb{font-size:12.5px;color:var(--muted);line-height:1.5}
.hubcard .hg{font-size:12px;color:var(--blue);font-weight:600;margin-top:auto}

/* ---------- Brand wordmark ---------- */
.brand{
  display:inline-flex;align-items:center;gap:9px;
  text-decoration:none;color:var(--text);
  font-weight:800;font-size:16.5px;letter-spacing:-.02em;
}
.brand img{width:28px;height:28px;display:block;}
.brand .bm-sat{color:var(--text);}
.brand .bm-meter{color:var(--orange-deep);}
.brand:hover .bm-meter{color:var(--orange);}
.brand .bm-tld{
  font-size:10.5px;font-weight:700;color:var(--muted);
  background:var(--surface-2);border-radius:5px;padding:2px 5px;margin-left:1px;
  letter-spacing:.03em;
}