/* Vertex — black glass, one green, and numbers set like an instrument. */

:root {
  --void: #040706;
  --panel: rgba(9, 18, 14, 0.66);
  --line: rgba(58, 255, 158, 0.13);
  --line-hi: rgba(58, 255, 158, 0.34);
  --green: #3affa0;
  --green-soft: #8bffc8;
  --green-deep: #0d7a4b;
  --paper: #d3e4da;
  --dim: #6a8579;
  --amber: #ffc95c;
  --pad: 24px;
  --max: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; min-width: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--void);
  color: var(--paper);
  font-family: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13.5px;
  line-height: 1.75;
  overflow-x: hidden;
}

/* The light trail behind everything, echoing the banner. */
body::before {
  content: "";
  position: fixed;
  inset: -20% -10% auto -10%;
  height: 90vh;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 40% at 78% 12%, rgba(58, 255, 158, 0.20), transparent 62%),
    radial-gradient(40% 30% at 20% 4%, rgba(13, 122, 75, 0.22), transparent 66%);
  filter: blur(10px);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  background:
    linear-gradient(transparent 0 calc(100% - 1px), var(--line) calc(100% - 1px)) 0 0 / 100% 72px,
    linear-gradient(90deg, transparent 0 calc(100% - 1px), var(--line) calc(100% - 1px)) 0 0 / 72px 100%;
  mask-image: radial-gradient(130% 80% at 50% 0%, #000 18%, transparent 72%);
}

.shell {
  position: relative;
  z-index: 1;
  flex: 1 0 auto;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: flex;
  flex-direction: column;
}

a { color: inherit; }

/* ------------------------------------------------------------------ header */

/* Full bleed on purpose. Inside the 1200px shell the bar's background and its rule stopped at the
   shell edges, so on a wide screen the page scrolled past it on both sides and the 3D hero bled
   through its lower half. The bar spans the viewport; only its contents are width-limited. */
.top {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(4, 7, 6, 0.92);
  backdrop-filter: blur(14px);
}

.top-inner {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 15px var(--pad);
  display: flex;
  align-items: center;
  gap: 18px;
}

.mark { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.mark img { width: 27px; height: 27px; display: block; filter: drop-shadow(0 0 9px rgba(58, 255, 158, 0.55)); }
.mark b {
  font-family: "Chakra Petch", "IBM Plex Mono", monospace;
  font-weight: 500;
  font-size: 19px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.nav a { color: var(--dim); text-decoration: none; transition: color 0.15s; }
.nav a:hover, .nav a.on { color: var(--green); }

.btn {
  font: inherit;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding: 9px 16px;
  color: var(--green);
  background: rgba(58, 255, 158, 0.07);
  border: 1px solid var(--line-hi);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.btn:hover { background: rgba(58, 255, 158, 0.16); border-color: var(--green); }
.btn.solid {
  background: var(--green);
  color: #032013;
  border-color: var(--green);
  font-weight: 600;
  box-shadow: 0 0 22px rgba(58, 255, 158, 0.35);
}
.btn.solid:hover { background: var(--green-soft); }

/* -------------------------------------------------------------------- hero */

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: center;
  padding: 74px 0 46px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--green);
  margin-bottom: 22px;
}
.eyebrow::after { content: ""; flex: 1; height: 1px; background: var(--line-hi); }

h1 {
  font-family: "Chakra Petch", sans-serif;
  font-weight: 500;
  font-size: clamp(38px, 5.4vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.025em;
}
h1 span { color: var(--green); }

.lede { margin-top: 22px; max-width: 50ch; color: var(--dim); }
.lede strong { color: var(--paper); font-weight: 500; }

.cta { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }

.scene-wrap { position: relative; aspect-ratio: 1; width: 100%; max-width: 460px; margin-left: auto; }
#scene { width: 100%; height: 100%; max-width: 100%; display: block; }

/* ------------------------------------------------------------------- board */

.board { border: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(6px); }

.board-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.board-head h3 {
  font-family: "Chakra Petch", sans-serif;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.02em;
}
.board-head .sub { color: var(--dim); font-size: 11px; }
.board-head .live {
  margin-left: auto;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 7px;
}
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 9px var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.28; } }

.rows { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12.5px; min-width: 520px; }
th {
  text-align: left;
  font-weight: 400;
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
  padding: 11px 18px;
  border-bottom: 1px solid var(--line);
}
td { padding: 11px 18px; border-bottom: 1px solid rgba(58, 255, 158, 0.06); }
tr:last-child td { border-bottom: 0; }
td.num { font-variant-numeric: tabular-nums; }
tr.dead td { color: var(--dim); }
.pill {
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 2px 7px;
  border: 1px solid var(--line);
  color: var(--dim);
}
.pill.on { color: var(--green); border-color: var(--line-hi); }

.strip { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.strip > div { padding: 15px 18px; border-right: 1px solid var(--line); }
.strip > div:last-child { border-right: 0; }
.k { font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.2em; color: var(--dim); }
.v {
  font-family: "Chakra Petch", sans-serif;
  font-size: 25px;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
}
.v.acc { color: var(--green); }
.v small { font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--dim); }

.note {
  border: 1px solid var(--line-hi);
  border-left: 3px solid var(--green);
  background: rgba(58, 255, 158, 0.05);
  padding: 13px 16px;
  font-size: 12px;
  color: var(--dim);
  margin: 24px 0;
}
.note b { color: var(--green); font-weight: 500; }
.note a { color: var(--paper); }

/* ----------------------------------------------------------------- section */

section { padding: 64px 0; }
.head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 30px; }
.head h2 {
  font-family: "Chakra Petch", sans-serif;
  font-weight: 500;
  font-size: clamp(26px, 3.6vw, 36px);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.head h2 span { color: var(--green); }
.head::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.plates { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.plate { background: rgba(6, 12, 9, 0.9); padding: 26px 22px 28px; }
.plate .no {
  font-family: "Chakra Petch", sans-serif;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--green);
  opacity: 0.6;
  margin-bottom: 12px;
}
.plate h3 { font-family: "Chakra Petch", sans-serif; font-weight: 500; font-size: 16px; margin-bottom: 11px; }
.plate p { color: var(--dim); font-size: 12.5px; }
.plate p + p { margin-top: 9px; }
.plate b { color: var(--paper); font-weight: 500; }
.plate code { color: var(--green); }

/* the fee curve */
.curve { display: grid; grid-template-columns: 1fr 300px; gap: 28px; align-items: center; }
.curve-box { border: 1px solid var(--line); background: var(--panel); padding: 18px; }
#curve { width: 100%; height: 210px; display: block; max-width: 100%; }
.legend { display: flex; gap: 18px; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--dim); margin-top: 12px; flex-wrap: wrap; }
.legend i { display: inline-block; width: 10px; height: 2px; margin-right: 6px; vertical-align: middle; }

.slider { width: 100%; margin: 14px 0 6px; accent-color: var(--green); }

/* ------------------------------------------------------------------- prose */

.prose { max-width: 70ch; }
.prose h2 { font-family: "Chakra Petch", sans-serif; font-weight: 500; font-size: 26px; margin: 42px 0 14px; letter-spacing: -0.01em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.16em; color: var(--green); margin: 30px 0 10px; font-weight: 500; }
.prose p { color: var(--dim); margin-bottom: 14px; }
.prose strong { color: var(--paper); font-weight: 500; }
.prose blockquote {
  border-left: 3px solid var(--green);
  padding: 4px 0 4px 16px;
  margin: 0 0 18px;
  color: var(--paper);
}
.prose ul { list-style: none; margin-bottom: 16px; }
.prose li { color: var(--dim); padding-left: 18px; position: relative; margin-bottom: 8px; }
.prose li::before { content: "▲"; position: absolute; left: 0; color: var(--green); font-size: 8px; top: 6px; }

pre, code { font-family: "IBM Plex Mono", monospace; font-size: 11.5px; }
pre { border: 1px solid var(--line); background: rgba(6, 12, 9, 0.9); padding: 14px; overflow-x: auto; color: var(--dim); margin-bottom: 16px; }
code { color: var(--green); }

/* ------------------------------------------------------------------ footer */

.foot {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding: 26px 0 34px;
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--dim);
}
.foot a { color: var(--dim); text-decoration: none; }
.foot a:hover { color: var(--green); }
.foot .sep { margin-left: auto; }

/* ------------------------------------------------------------- responsive */

@media (max-width: 940px) {
  .hero { grid-template-columns: 1fr; gap: 30px; padding: 44px 0 32px; }
  .scene-wrap { margin: 0 auto; max-width: 320px; }
  .plates { grid-template-columns: 1fr; }
  .curve { grid-template-columns: 1fr; }
  .strip { grid-template-columns: repeat(2, 1fr); }
  .strip > div:nth-child(2n) { border-right: 0; }
  .strip > div:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 620px) {
  :root { --pad: 16px; }
  .top-inner { gap: 10px; }
  .mark b { font-size: 16px; letter-spacing: 0.1em; }
  .mark img { width: 22px; height: 22px; }
  .nav { gap: 13px; font-size: 9.5px; letter-spacing: 0.1em; }
}

@media (max-width: 380px) {
  .nav { gap: 10px; }
  .mark b { display: none; } /* the mark alone still reads; the links matter more */
}