/* APICLX - metered loan infrastructure. Dark exchange-board aesthetic: near-black ground, cyan wire
   accent, violet depth, mono rate digits. Single deliberate theme (dark), painted explicitly. */
:root {
  --bg: #05070d;
  --panel: #0b101c;
  --panel2: #0e1526;
  --line: #1b2438;
  --line-bright: #2b3a5c;
  --ink: #e8eef7;
  --muted: #8b96ac;
  --faint: #5c667c;
  --wire: #22d3ee;      /* metering wire cyan */
  --wire-dim: #0e7490;
  --volt: #8b5cf6;      /* violet depth */
  --credit: #34d399;    /* price/credit green */
  --warn: #fbbf24;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --display: "Chakra Petch", "Segoe UI", system-ui, sans-serif;
  --body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* Ambient grid + glow field */
.field {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(1200px 500px at 70% -10%, rgba(139, 92, 246, .14), transparent 60%),
    radial-gradient(900px 420px at 10% 10%, rgba(34, 211, 238, .10), transparent 55%),
    linear-gradient(transparent 96%, rgba(34, 211, 238, .05) 100%),
    var(--bg);
}
.field::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(139, 150, 172, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 150, 172, .05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 40%, transparent 100%);
}
main, header.site, footer.site { position: relative; z-index: 1; }

a { color: var(--wire); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--wire); outline-offset: 2px;
}
::selection { background: rgba(34, 211, 238, .3); }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
header.site {
  position: sticky; top: 0; z-index: 20;
  background: rgba(5, 7, 13, .82); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 28px; height: 62px; }
.brand { font-family: var(--display); font-weight: 700; font-size: 20px; letter-spacing: .06em; color: var(--ink); }
.brand em { font-style: normal; color: var(--wire); }
.brand:hover { text-decoration: none; }
.nav-links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--muted); font-size: 14px; letter-spacing: .02em; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-cta {
  border: 1px solid var(--wire-dim); color: var(--wire) !important; padding: 7px 16px; border-radius: 4px;
  font-family: var(--mono); font-size: 13px !important;
}
.nav-cta:hover { background: rgba(34, 211, 238, .08); }

/* ---------- hero ---------- */
.hero { padding: 92px 0 66px; }
.hero .kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--wire); margin-bottom: 22px; display: flex; align-items: center; gap: 12px;
}
.kicker::before { content: ""; width: 34px; height: 1px; background: var(--wire); box-shadow: 0 0 8px var(--wire); }
.hero h1 {
  font-family: var(--display); font-weight: 700; font-size: clamp(38px, 6vw, 68px);
  line-height: 1.04; letter-spacing: -.01em; max-width: 17ch; text-wrap: balance;
}
.hero h1 .stroke { color: transparent; -webkit-text-stroke: 1.5px var(--wire); }
.hero p.lede { margin-top: 22px; max-width: 58ch; color: var(--muted); font-size: 18px; }
.hero p.lede b { color: var(--ink); font-weight: 600; }
.hero-ctas { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 13px 26px; border-radius: 4px;
  font-family: var(--mono); font-size: 14px; letter-spacing: .04em; border: 1px solid transparent; cursor: pointer;
}
.btn-wire { background: var(--wire); color: #04141a; font-weight: 700; }
.btn-wire:hover { box-shadow: 0 0 24px rgba(34, 211, 238, .45); text-decoration: none; }
.btn-ghost { border-color: var(--line-bright); color: var(--ink); }
.btn-ghost:hover { border-color: var(--wire-dim); text-decoration: none; }

/* live meter strip */
.meter {
  margin-top: 64px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel);
  display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden;
}
.meter > div { padding: 18px 22px; border-right: 1px solid var(--line); }
.meter > div:last-child { border-right: 0; }
.meter .m-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--faint); }
.meter .m-val { font-family: var(--mono); font-size: 24px; color: var(--wire); font-variant-numeric: tabular-nums; margin-top: 4px; }
.meter .m-val.green { color: var(--credit); }

/* ---------- sections ---------- */
section { padding: 78px 0; border-top: 1px solid var(--line); }
.sec-head { margin-bottom: 44px; }
.sec-head .tag { font-family: var(--mono); font-size: 12px; letter-spacing: .26em; text-transform: uppercase; color: var(--volt); }
.sec-head h2 { font-family: var(--display); font-size: clamp(26px, 3.4vw, 38px); margin-top: 10px; letter-spacing: -.01em; text-wrap: balance; }
.sec-head p { color: var(--muted); max-width: 62ch; margin-top: 12px; }

/* rate card (exchange board) */
.rates { border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: var(--panel); }
.rate {
  display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(0, 3fr) auto auto; gap: 18px;
  align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--line); transition: background .15s;
}
.rate:last-child { border-bottom: 0; }
.rate:hover { background: var(--panel2); }
.rate .r-name { font-family: var(--display); font-weight: 600; font-size: 17px; }
.rate .r-name .ep { display: block; font-family: var(--mono); font-size: 12px; color: var(--wire-dim); margin-top: 3px; font-weight: 400; }
.rate .r-desc { color: var(--muted); font-size: 14px; }
.rate .r-unit { font-family: var(--mono); font-size: 11px; color: var(--faint); letter-spacing: .12em; text-transform: uppercase; text-align: right; }
.rate .r-price { font-family: var(--mono); font-size: 24px; color: var(--credit); font-variant-numeric: tabular-nums; text-align: right; min-width: 96px; }
.rate .r-price::before { content: "$"; font-size: 15px; color: var(--faint); margin-right: 2px; }

/* how metering works */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.step { background: var(--panel); padding: 26px 22px; }
.step .n { font-family: var(--mono); color: var(--wire); font-size: 13px; letter-spacing: .2em; }
.step h3 { font-family: var(--display); font-size: 17px; margin: 12px 0 8px; }
.step p { color: var(--muted); font-size: 14px; }

/* architecture */
.arch {
  border: 1px solid var(--line); border-radius: 6px; background: var(--panel); padding: 28px;
  font-family: var(--mono); font-size: 13px; line-height: 1.9; color: var(--muted);
  overflow-x: auto; white-space: pre;
}
.arch b { color: var(--wire); font-weight: 400; }
.arch i { color: var(--credit); font-style: normal; }
.arch u { color: var(--volt); text-decoration: none; }

/* resale */
.resale { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.resale .card { border: 1px solid var(--line); border-radius: 6px; background: var(--panel); padding: 26px; }
.resale .card h3 { font-family: var(--display); font-size: 18px; margin-bottom: 10px; }
.resale .card h3::before { content: "// "; color: var(--wire-dim); font-family: var(--mono); font-size: 14px; }
.resale .card p { color: var(--muted); font-size: 14.5px; }

/* code blocks */
.code {
  background: #070b14; border: 1px solid var(--line); border-radius: 6px; padding: 20px 22px;
  font-family: var(--mono); font-size: 13px; line-height: 1.75; overflow-x: auto; color: #b7c3d9;
}
.code .k { color: var(--wire); }      /* key */
.code .s { color: #7ee2a8; }          /* string */
.code .n { color: #f0abfc; }          /* number */
.code .c { color: var(--faint); }     /* comment */
.code .m { color: var(--warn); }      /* method */

/* ---------- docs page ---------- */
.docs-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 48px; padding: 56px 0; }
.docs-nav { position: sticky; top: 86px; align-self: start; }
.docs-nav .g { font-family: var(--mono); font-size: 10.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--faint); margin: 22px 0 8px; }
.docs-nav a { display: block; color: var(--muted); font-size: 13.5px; padding: 4px 0 4px 12px; border-left: 1px solid var(--line); }
.docs-nav a:hover { color: var(--wire); border-left-color: var(--wire); text-decoration: none; }
.docs-body h1 { font-family: var(--display); font-size: 34px; margin-bottom: 12px; }
.docs-body > p.lede { color: var(--muted); max-width: 66ch; }
.endpoint { margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--line); }
.endpoint h2 { font-family: var(--display); font-size: 23px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.pill { font-family: var(--mono); font-size: 12px; padding: 3px 10px; border-radius: 3px; letter-spacing: .06em; }
.pill.post { background: rgba(34, 211, 238, .12); color: var(--wire); border: 1px solid var(--wire-dim); }
.pill.get { background: rgba(52, 211, 153, .1); color: var(--credit); border: 1px solid rgba(52, 211, 153, .4); }
.pill.price { background: rgba(52, 211, 153, .12); color: var(--credit); font-variant-numeric: tabular-nums; }
.endpoint .path { font-family: var(--mono); font-size: 16px; color: var(--ink); }
.endpoint p.desc { color: var(--muted); margin: 12px 0 18px; max-width: 68ch; }
.io-label { font-family: var(--mono); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--faint); margin: 22px 0 8px; }
table.plain { width: 100%; border-collapse: collapse; font-size: 14px; }
table.plain th, table.plain td { text-align: left; padding: 9px 14px; border-bottom: 1px solid var(--line); }
table.plain th { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); font-weight: 400; }
table.plain td { color: var(--muted); } table.plain td:first-child { font-family: var(--mono); color: var(--ink); font-size: 13px; }
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 6px; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 48px; align-items: start; }
form.contact { border: 1px solid var(--line); border-radius: 6px; background: var(--panel); padding: 30px; display: grid; gap: 16px; }
form.contact label { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--faint); display: block; margin-bottom: 6px; }
form.contact input, form.contact textarea {
  width: 100%; background: #070b14; border: 1px solid var(--line-bright); border-radius: 4px;
  color: var(--ink); padding: 11px 14px; font-family: var(--body); font-size: 15px;
}
form.contact input:focus, form.contact textarea:focus { border-color: var(--wire); outline: none; }
form.contact .hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-note { font-size: 12.5px; color: var(--faint); }
#form-status { font-family: var(--mono); font-size: 13px; min-height: 20px; }
#form-status.ok { color: var(--credit); } #form-status.err { color: var(--warn); }

/* ---------- footer ---------- */
footer.site { border-top: 1px solid var(--line); padding: 40px 0 48px; color: var(--faint); font-size: 13px; }
footer.site .frow { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; }
footer.site a { color: var(--muted); }

/* reduced motion + responsive */
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn-wire:hover { box-shadow: none; } }
@media (max-width: 900px) {
  .meter { grid-template-columns: repeat(2, 1fr); } .meter > div { border-bottom: 1px solid var(--line); }
  .steps, .resale { grid-template-columns: 1fr; }
  .rate { grid-template-columns: minmax(0, 1fr) auto; }
  .rate .r-desc { grid-column: 1 / -1; }
  .rate .r-unit { display: none; }
  .docs-layout { grid-template-columns: 1fr; } .docs-nav { position: static; display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.nav-cta) { display: none; }
}