:root {
  --bg: #0b0d0c; --panel: #121513; --line: #232826;
  --text: #f2f2f0; --soft: #a9ada9; --dim: #6c716d;
  --green: #76b900; --red: #ff4136;
  --num: "Arial Black", "Archivo Black", "Helvetica Neue", system-ui, sans-serif;
  --ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 var(--ui); }
a { color: var(--text); text-decoration-color: var(--dim); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--green); }
p { margin: 0; }

.top { position: sticky; top: 0; z-index: 20; background: rgba(11, 13, 12, .88);
  backdrop-filter: blur(10px); border-bottom: 1px solid transparent; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: 1080px; margin: 0 auto; padding: 20px 20px 8px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none;
  font: 900 20px/1 var(--num); letter-spacing: .01em; }
.brand img { border-radius: 50%; }
nav { display: flex; gap: 18px; font-size: 15px; }
nav a { color: var(--soft); text-decoration: none; }
nav a:hover { color: var(--text); }

main { max-width: 1080px; margin: 0 auto; padding: 0 20px 32px; }
.label { color: var(--soft); font-size: 14px; letter-spacing: .02em; }
.sub { color: var(--dim); font-size: 14px; margin-top: 4px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }

.ca { display: flex; align-items: center; gap: 10px; margin: 12px 0 28px; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 10px; }
.ca code { font: 13px var(--mono); color: var(--soft); overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; flex: 1; min-width: 0; }
.ca button { background: none; border: 1px solid var(--line); color: var(--text); border-radius: 8px;
  padding: 5px 12px; font: 13px var(--ui); cursor: pointer; }
.ca button:hover { border-color: var(--green); }

.hero { margin-bottom: 24px; }
.big { font: 900 clamp(44px, 10vw, 104px)/1.02 var(--num); color: var(--green);
  letter-spacing: -.01em; margin-top: 6px; font-variant-numeric: tabular-nums; }
.hero .sub { font-size: 16px; color: var(--soft); margin-top: 10px; }

.apr { display: grid; grid-template-columns: 1.2fr 2fr; gap: 20px 32px; margin-bottom: 20px; }
.apr-num { font: 900 clamp(36px, 6vw, 64px)/1.05 var(--num); margin-top: 6px; }
.apr-windows { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; align-content: center; }
.apr-small { font: 900 clamp(18px, 2.4vw, 26px)/1.2 var(--num); margin-top: 6px; }
.apr-small.na { color: var(--dim); }
.method { grid-column: 1 / -1; color: var(--dim); font-size: 14px;
  border-top: 1px solid var(--line); padding-top: 14px; }
.method a { color: var(--soft); }

.chart-wrap { position: relative; margin-bottom: 20px; }
.chart-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  flex-wrap: wrap; margin-bottom: 10px; }
.chart svg { display: block; width: 100%; height: auto; }
.chart .grid-line { stroke: var(--line); stroke-width: 1; }
.chart .axis { fill: var(--dim); font: 11px var(--ui); }
.chart .line { fill: none; stroke: var(--green); stroke-width: 2.5; stroke-linejoin: round; }
.chart .area { fill: var(--green); opacity: .08; }
.chart .dot { fill: var(--green); stroke: var(--panel); stroke-width: 2; }
.chart .cursor { stroke: var(--soft); stroke-width: 1; stroke-dasharray: 3 3; }
.tip { position: absolute; pointer-events: auto; background: #1a1e1b; border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 10px; font-size: 13px; line-height: 1.45; white-space: nowrap;
  box-shadow: 0 6px 20px rgba(0,0,0,.4); }
.tip b { font-family: var(--num); font-weight: 900; }
.tip a { color: var(--green); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.val { font: 900 22px/1.25 var(--num); margin-top: 6px; overflow-wrap: anywhere; }

footer { max-width: 1080px; margin: 0 auto; padding: 8px 20px 40px; color: var(--dim); font-size: 14px; }
footer p + p { margin-top: 4px; }
footer a { color: var(--soft); }

/* methodology page */
.doc { max-width: 760px; }
.doc h1 { font: 900 clamp(28px, 5vw, 40px)/1.15 var(--num); margin: 16px 0 8px; }
.doc h2 { font: 900 20px/1.3 var(--num); margin: 36px 0 10px; }
.doc p, .doc li { color: #d6d9d5; }
.doc p + p { margin-top: 12px; }
.doc ul { padding-left: 20px; } .doc li + li { margin-top: 6px; }
.doc code { font: 13px var(--mono); background: var(--panel); border: 1px solid var(--line);
  border-radius: 6px; padding: 1px 6px; overflow-wrap: anywhere; }
.doc .formula { font: 15px/1.6 var(--mono); background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 14px 16px; overflow-x: auto; color: var(--text); }
.doc table { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 8px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 9px 10px 9px 0;
  border-bottom: 1px solid var(--line); }
.doc th { color: var(--soft); font-weight: 600; }
.doc .live { color: var(--green); font-family: var(--num); font-weight: 900; }

@media (max-width: 760px) {
  .apr { grid-template-columns: 1fr; }
  .apr-windows { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: 1fr 1fr; }
  nav { gap: 12px; font-size: 14px; }
}
@media (max-width: 420px) {
  .grid { gap: 10px; }
  .card { padding: 14px; border-radius: 12px; }
  .val { font-size: 17px; }
  .top { padding-top: 16px; }
  .brand { font-size: 18px; }
}

.shares { font: 900 clamp(17px, 2.6vw, 24px)/1.3 var(--num); color: var(--text); margin-top: 8px; }
.kcard .chart .nvda { fill: none; stroke: var(--green); stroke-width: 2.5; stroke-linejoin: round; }
.kcard .chart .wage { fill: none; stroke: var(--red); stroke-width: 2.5; stroke-linejoin: round; }
.kcard .chart .endlab { font: 900 13px var(--num); }
.ksource { color: var(--dim); font-size: 13px; margin-top: 12px;
  border-top: 1px solid var(--line); padding-top: 12px; }

/* buy */
.buy { display: block; margin: 0 0 24px; padding: clamp(18px, 3.4vw, 26px) 24px; border-radius: 16px;
  background: var(--green); color: #0b0d0c; text-align: center; text-decoration: none;
  font: 900 clamp(20px, 3.6vw, 30px)/1.1 var(--num); letter-spacing: .01em;
  box-shadow: 0 10px 30px rgba(118, 185, 0, .16); transition: transform .12s ease, box-shadow .12s ease, filter .12s ease; }
.buy:hover { filter: brightness(1.07); transform: translateY(-1px); box-shadow: 0 14px 36px rgba(118, 185, 0, .26); }
.buy:active { transform: translateY(0); }
.buy span { display: inline-block; margin-left: 6px; }
.buy-sm { background: var(--green); color: #0b0d0c !important; border-radius: 8px; padding: 6px 14px;
  font: 900 14px/1 var(--num); text-decoration: none; }
.buy-sm:hover { filter: brightness(1.07); }