/* zpay front door: index.html and takers/.
   Same dark slate ground as the app terminal (app/styles.css), plus one accent:
   Venmo blue. Headlines are sans; numbers, addresses and labels stay mono so
   the page and the app read as one product. No build step. */

/* Self-hosted so the page makes no third-party font call. Latin subsets only. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("fonts/inter-latin.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/jetbrains-mono-latin.woff2") format("woff2");
}

:root {
  --bg:        #0d0e10;
  --bg-2:      #101216;
  --panel:     #17191c;
  --panel-2:   #121417;
  --line:      #2a2e34;
  --line-soft: #21242a;

  --text:      #d3d8de;
  --text-dim:  #8a919a;
  --text-mute: #5b616a;

  --blue:      #008cff;
  --blue-lit:  #4db3ff;
  --blue-deep: #0064b8;
  --blue-glow: rgba(0, 140, 255, .28);
  --blue-tint: rgba(0, 140, 255, .10);

  --ok:    #86b394;
  --warn:  #b9a06a;
  --bad:   #b06f6a;

  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --max: 1080px;
  --radius: 4px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 var(--sans);
  background-image:
    radial-gradient(900px 420px at 18% -10%, rgba(0,140,255,.13), transparent 60%);
  font-feature-settings: "cv11", "ss01";
}

a { color: var(--blue-lit); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
code, .mono { font-family: var(--mono); }
code { font-size: .92em; color: var(--text); }
pre {
  margin: 0;
  padding: 14px 16px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: 13px/1.55 var(--mono);
  color: var(--text);
  overflow-x: auto;
}
pre .c { color: var(--text-mute); }
pre .b { color: var(--blue-lit); }
pre .w { color: var(--warn); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.label {
  font: 600 11px/1 var(--mono);
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--text-dim);
}
.label.blue { color: var(--blue-lit); }

h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -.01em; }
h2 { font-size: 32px; line-height: 1.12; letter-spacing: -.02em; color: #fff; }
h3 { font-size: 17px; }
p { margin: 0; }
.dim { color: var(--text-dim); }
.mute { color: var(--text-mute); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  font: 600 14px/1 var(--sans);
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, border-color .15s, box-shadow .15s, color .15s;
}
.btn:hover { text-decoration: none; border-color: var(--text-dim); background: #1d2024; }
.btn.primary {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  box-shadow: 0 0 22px var(--blue-glow);
}
.btn.primary:hover { background: var(--blue-lit); border-color: var(--blue-lit); }
.btn.primary:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }
.btn.small { padding: 8px 12px; font-size: 13px; }

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(13,14,16,.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.nav .wrap {
  display: flex;
  align-items: center;
  gap: 26px;
  height: 58px;
}
.wordmark {
  font: 700 20px/1 var(--mono);
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 0 14px rgba(0, 140, 255, .18);
}
.wordmark .tick { color: var(--blue); }
.wordmark:hover { text-decoration: none; }
.nav-links { display: flex; gap: 22px; margin-left: 8px; }
.nav-links a { color: var(--text-dim); font-size: 14px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav .spacer { flex: 1; }
.nav-status {
  display: none;
  align-items: center;
  gap: 7px;
  font: 11px/1 var(--mono);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-mute);
}
.dot { width: 7px; height: 7px; background: var(--text-mute); display: inline-block; flex: none; }
[data-state="up"]   .dot { background: var(--ok);  box-shadow: 0 0 8px var(--ok); }
[data-state="down"] .dot { background: var(--bad); box-shadow: 0 0 8px var(--bad); }
[data-state="up"]   { color: var(--ok); }
[data-state="down"] { color: var(--bad); }
@media (min-width: 720px) { .nav-status { display: inline-flex; } }
@media (max-width: 720px) { .nav-links { display: none; } }

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

.hero { padding: 80px 0 44px; position: relative; isolation: isolate; }
.hero::before {
  /* dot grid behind the hero only, fading out before the live strip */
  content: "";
  position: absolute; inset: 0;
  z-index: -1;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0, #000 60%, transparent 100%);
          mask-image: linear-gradient(to bottom, #000 0, #000 60%, transparent 100%);
  pointer-events: none;
}
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: 48px;
  align-items: start;
}
@media (max-width: 860px) { .hero .wrap { grid-template-columns: minmax(0, 1fr); gap: 36px; } .hero { padding-top: 44px; } }

.hero h1 {
  font-size: clamp(40px, 5.6vw, 62px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.035em;
  color: #fff;
  margin: 16px 0 20px;
}
.hero h1 .blue { color: var(--blue-lit); }
.hero .lede { font-size: 18px; color: var(--text-dim); max-width: 52ch; }
.hero .lede b { color: var(--text); font-weight: 600; }

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 26px;
  font: 12.5px/1 var(--mono);
  color: var(--text-dim);
  letter-spacing: .4px;
}
.facts > span::before { content: "\25A0  "; color: var(--blue); font-size: 8px; vertical-align: 2px; }

.contract {
  margin-top: 22px;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  font: 12.5px/1 var(--mono);
  max-width: 100%;
}
.contract .addr { color: var(--text); word-break: break-all; }
.contract a { color: var(--blue-lit); }

.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }

/* quote card */

.card {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: 0 0 0 1px rgba(0,0,0,.3), 0 18px 50px rgba(0,0,0,.35);
}
.quote-card { padding: 20px; position: relative; }
.quote-card::before {
  content: "";
  position: absolute; inset: -1px;
  border-radius: var(--radius);
  pointer-events: none;
  background: linear-gradient(135deg, var(--blue-tint), transparent 45%);
}
.quote-card > * { position: relative; }
.quote-card .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }

.field { margin-bottom: 12px; }
.field label { display: block; margin-bottom: 6px; }
.input {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
}
.input:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-tint); }
.input input {
  flex: 1;
  min-width: 0;
  padding: 12px 12px;
  background: transparent;
  border: 0;
  outline: 0;
  color: #fff;
  font: 600 20px/1 var(--mono);
}
.input input::placeholder { color: var(--text-mute); font-weight: 500; }
.input .unit {
  display: flex; align-items: center;
  padding: 0 12px;
  border-left: 1px solid var(--line-soft);
  font: 600 12px/1 var(--mono);
  letter-spacing: 1px;
  color: var(--text-dim);
}

/* platform picker: a dropdown whose other entries are struck through */
.picker { position: relative; }
.picker-btn {
  width: 100%;
  display: flex; align-items: center; gap: 10px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  color: #fff;
  font: 600 15px/1 var(--sans);
  cursor: pointer;
  text-align: left;
}
.picker-btn:hover { border-color: var(--text-dim); }
.picker-btn .chev { margin-left: auto; color: var(--text-dim); font-size: 12px; }
.picker-btn .vmark {
  width: 22px; height: 22px; border-radius: 4px;
  background: var(--blue);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font: 800 13px/1 var(--sans);
}
.picker-menu {
  position: absolute; left: 0; right: 0; top: calc(100% + 6px);
  z-index: 10;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  box-shadow: 0 14px 40px rgba(0,0,0,.5);
  padding: 6px;
  margin: 0;
  list-style: none;
  max-height: 300px;
  overflow-y: auto;
}
.picker-menu li {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px;
  border-radius: 3px;
  font-size: 14px;
}
.picker-menu li[aria-selected="true"] { background: var(--blue-tint); color: #fff; }
.picker-menu li[aria-disabled="true"] { color: var(--text-mute); cursor: not-allowed; }
.picker-menu li[aria-disabled="true"] .name { text-decoration: line-through; text-decoration-thickness: 1.5px; }
.picker-menu li .tag {
  margin-left: auto;
  font: 600 10px/1 var(--mono);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-mute);
  border: 1px solid var(--line-soft);
  padding: 4px 6px;
  border-radius: 3px;
}
.picker-menu li[aria-selected="true"] .tag { color: var(--blue-lit); border-color: var(--blue-deep); }

.quote-out {
  margin-top: 8px;
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.stat .k { display: block; margin-bottom: 4px; }
.stat .v { font: 600 18px/1.2 var(--mono); color: var(--text); }
.stat .v.big { font-size: 30px; color: #fff; }
.stat .v.big .cur { color: var(--blue-lit); }
.stat.wide { grid-column: 1 / -1; }
.quote-out[hidden] { display: none; }
.quote-note { margin-top: 10px; font: 12px/1.5 var(--mono); color: var(--text-mute); min-height: 18px; }
.quote-note.err { color: var(--bad); }
.quote-note.ok { color: var(--ok); }
.quote-card .btn { width: 100%; margin-top: 14px; }
.quote-fine { margin-top: 12px; font-size: 12.5px; line-height: 1.5; color: var(--text-mute); text-align: center; }
.quote-fine a { color: var(--text-dim); }

/* ---------- live strip ---------- */

.strip { padding: 28px 0 8px; }
.strip .grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.strip .cell { background: var(--bg-2); padding: 18px 20px; }
.strip .cell .k { display: block; margin-bottom: 10px; }
.strip .cell .v { font: 600 26px/1.1 var(--mono); color: #fff; letter-spacing: -.02em; }
.strip .cell .v.blue { color: var(--blue-lit); }
.strip .cell .sub { display: block; margin-top: 8px; font: 11.5px/1.35 var(--mono); color: var(--text-mute); }
@media (max-width: 900px) { .strip .grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .strip .grid { grid-template-columns: 1fr 1fr; } }

/* what the offramp runs on: the outside contracts and services, each a link */
.stack {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 22px;
  font: 12.5px/1 var(--mono);
}
.stack .label { margin-right: 4px; }
.stack a { color: var(--text-dim); }
.stack a:hover { color: var(--text); }
.stack a::before { content: "\2197  "; color: var(--text-mute); font-size: 11px; }

/* ---------- sections ---------- */

section.block { padding: 72px 0; border-top: 1px solid var(--line-soft); }
section.block .intro { max-width: 60ch; margin-top: 14px; color: var(--text-dim); font-size: 17px; }
section.block > .wrap > .label { margin-bottom: 12px; display: block; }

.steps {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 800px) { .steps { grid-template-columns: minmax(0, 1fr); } }
.step { padding: 22px; border: 1px solid var(--line); background: var(--panel-2); border-radius: var(--radius); }
.step .n {
  display: inline-block;
  font: 700 11px/1 var(--mono);
  color: var(--blue-lit);
  letter-spacing: 2px;
  padding: 6px 8px;
  border: 1px solid var(--blue-deep);
  border-radius: 3px;
  background: var(--blue-tint);
}
.step h3 { margin: 12px 0 10px; }
.step p { color: var(--text-dim); font-size: 15px; }
.step .rail {
  margin-top: 16px;
  display: flex; align-items: center; gap: 8px;
  font: 11.5px/1 var(--mono);
  color: var(--text-mute);
  flex-wrap: wrap;
}
.rail .tok { padding: 5px 8px; border: 1px solid var(--line-soft); border-radius: 3px; color: var(--text-dim); }
.rail .tok.zec { border-color: #4a3d12; color: #d7b34a; }
.rail .tok.usdc { border-color: #1c3a5a; color: #7fb8ff; }
.rail .tok.venmo { border-color: var(--blue-deep); color: var(--blue-lit); background: var(--blue-tint); }
.rail .arr { color: var(--text-mute); }

/* flow diagram */
.flow {
  margin-top: 40px;
  padding: 26px 22px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  border-radius: var(--radius);
  overflow-x: auto;
}
.flow svg { display: block; width: 100%; min-width: 720px; height: auto; }
.flow text { font-family: var(--mono); fill: var(--text); }
.flow .t-dim { fill: var(--text-dim); }
.flow .t-blue { fill: var(--blue-lit); }
.flow .box { fill: var(--panel); stroke: var(--line); }
.flow .box.blue { stroke: var(--blue); }
.flow .box.zec { stroke: #6b5a1f; }
.flow .line { stroke: var(--text-mute); fill: none; }
.flow .line.blue { stroke: var(--blue); }

/* trust cards */
.trust {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 800px) { .trust { grid-template-columns: minmax(0, 1fr); } }
.trust .card { padding: 22px; }
.trust h3 { display: flex; align-items: center; gap: 10px; }
.trust h3 .ic { width: 8px; height: 8px; background: var(--blue); box-shadow: 0 0 10px var(--blue-glow); }
.trust p { margin-top: 10px; color: var(--text-dim); font-size: 15px; }
.trust .who { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line-soft); font: 12px/1.5 var(--mono); color: var(--text-mute); }
.trust .who b { color: var(--text-dim); font-weight: 600; }

/* fee table */
.fees {
  margin-top: 36px;
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.fees th, .fees td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.fees th { font: 600 11px/1 var(--mono); letter-spacing: 1.4px; text-transform: uppercase; color: var(--text-dim); }
.fees td.num { font: 600 18px/1.2 var(--mono); color: #fff; white-space: nowrap; }
.fees td.num.blue { color: var(--blue-lit); }
.fees td.who { color: var(--text-dim); }
.fees td .fn { display: block; font-size: 13px; color: var(--text-mute); margin-top: 4px; }
@media (max-width: 560px) {
  .fees thead { display: none; }
  .fees tr { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
  .fees td { border: 0; padding: 0; }
  .fees td.who { grid-column: 1 / -1; font-size: 14px; }
}

/* limits */
.limits { margin-top: 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; }
@media (max-width: 720px) { .limits { grid-template-columns: minmax(0, 1fr); } }
.limit { padding: 16px 0; border-top: 1px solid var(--line-soft); }
.limit h3 { font-size: 15px; }
.limit p { margin-top: 6px; color: var(--text-dim); font-size: 14.5px; }
.platforms { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.platforms span {
  font: 600 12px/1 var(--mono);
  padding: 6px 9px;
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  color: var(--text-mute);
  text-decoration: line-through;
}
.platforms span.on { color: #fff; background: var(--blue); border-color: var(--blue); text-decoration: none; }

/* takers band */
.band {
  margin-top: 0;
  padding: 34px 28px;
  border: 1px solid var(--blue-deep);
  background: linear-gradient(135deg, var(--blue-tint), transparent 60%), var(--panel-2);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
@media (max-width: 720px) { .band { grid-template-columns: minmax(0, 1fr); } }
.band h2 { font-size: 28px; }
.band p { margin-top: 8px; color: var(--text-dim); max-width: 60ch; }
.band .btns { display: flex; gap: 10px; flex-wrap: wrap; }

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

footer { border-top: 1px solid var(--line-soft); padding: 40px 0 50px; margin-top: 40px; }
footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
@media (max-width: 800px) { footer .wrap { grid-template-columns: 1fr 1fr; } }
footer .col h4 { margin: 0 0 12px; font: 600 11px/1 var(--mono); letter-spacing: 1.6px; text-transform: uppercase; color: var(--text-dim); }
footer .col a, footer .col span { display: block; color: var(--text-dim); font-size: 14px; margin: 6px 0; }
footer .col a:hover { color: var(--text); }
footer .fine { margin-top: 14px; font: 12px/1.6 var(--mono); color: var(--text-mute); }
footer .fine .addr { word-break: break-all; }

/* ---------- doc pages (takers/) ---------- */

.doc { padding: 56px 0 40px; }
.doc .wrap { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px; }
@media (max-width: 860px) { .doc .wrap { grid-template-columns: minmax(0, 1fr); } .doc-toc { display: none; } }
.doc-toc { position: sticky; top: 80px; align-self: start; }
.doc-toc a { display: block; padding: 5px 0; font-size: 13.5px; color: var(--text-dim); }
.doc-toc a:hover { color: var(--text); text-decoration: none; }
.doc-body h1 { font-size: clamp(34px, 4.5vw, 46px); font-weight: 800; line-height: 1.05; color: #fff; margin: 12px 0 16px; letter-spacing: -.03em; }
.doc-body h2 { font-size: 24px; margin: 52px 0 12px; padding-top: 22px; border-top: 1px solid var(--line-soft); }
.doc-body h3 { font-size: 17px; margin: 26px 0 8px; }
.doc-body p, .doc-body li { color: var(--text-dim); font-size: 15.5px; }
.doc-body p { margin: 10px 0; max-width: 72ch; }
.doc-body p b, .doc-body li b { color: var(--text); font-weight: 600; }
.doc-body ul, .doc-body ol { padding-left: 22px; margin: 10px 0; max-width: 72ch; }
.doc-body li { margin: 6px 0; }
.doc-body pre { margin: 14px 0; }
.doc-body .lede { font-size: 18px; max-width: 60ch; }
.doc-body table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14.5px; }
.doc-body th, .doc-body td { text-align: left; padding: 10px 10px; border-bottom: 1px solid var(--line-soft); vertical-align: top; color: var(--text-dim); }
.doc-body th { font: 600 11px/1 var(--mono); letter-spacing: 1.4px; text-transform: uppercase; }
.doc-body td:first-child { color: var(--text); white-space: nowrap; }
@media (max-width: 720px) { .doc-body td:first-child { white-space: normal; } .doc-body th:nth-child(3), .doc-body td:nth-child(3) { display: none; } }
.callout {
  margin: 18px 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  background: var(--panel-2);
  border-radius: var(--radius);
  max-width: 72ch;
}
.callout.warn { border-left-color: var(--warn); }
.callout p { margin: 0; }
.callout .label { display: block; margin-bottom: 6px; }
.doc-body .cta { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0 6px; }