/* GP Payment — public site.
   Technical/operational direction: white canvas, hairline rules, monospace for
   every machine value. Cyan is reserved for verified state, red for rejection. */

:root {
  --gp-ink: #0b1220;
  --gp-ink-soft: #46556b;
  --gp-ink-faint: #71849f;
  --gp-line: #dde3ec;
  --gp-surface: #f4f6f9;
  --gp-verified: #0e8da0;
  --gp-verified-bright: #25c7d9;
  --gp-rejected: #c8102e;
  --gp-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --gp-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

body.gp {
  margin: 0;
  background: #fff;
  color: var(--gp-ink);
  font-family: var(--gp-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.gp a { color: inherit; }
.gp h1, .gp h2, .gp h3 { margin: 0; font-weight: 620; letter-spacing: -0.02em; text-wrap: balance; }
.gp p { margin: 0; }
.gp code, .gp .mono { font-family: var(--gp-mono); font-variant-numeric: tabular-nums; }

.gp-skip {
  position: absolute; left: -9999px; top: 0; background: var(--gp-ink); color: #fff;
  padding: 10px 16px; z-index: 50;
}
.gp-skip:focus { left: 12px; top: 12px; }
.gp :focus-visible { outline: 2px solid var(--gp-verified); outline-offset: 3px; }

.gp-shell { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* Header */
.gp-header {
  position: sticky; top: 0; z-index: 30; background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--gp-line);
}
.gp-header-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.gp-wordmark { display: flex; align-items: center; gap: 10px; font-weight: 640; text-decoration: none; letter-spacing: -0.01em; }
.gp-wordmark span {
  display: grid; place-items: center; width: 26px; height: 26px; background: var(--gp-ink);
  color: #fff; font-family: var(--gp-mono); font-size: 13px; font-weight: 600;
}
.gp-nav { display: flex; align-items: center; gap: 24px; margin-left: auto; font-size: 14.5px; }
.gp-nav a { text-decoration: none; color: var(--gp-ink-soft); }
.gp-nav a:hover, .gp-nav a[aria-current="page"] { color: var(--gp-ink); }
.gp-nav .gp-button { color: #fff; }

.gp-button {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; background: var(--gp-ink);
  color: #fff; text-decoration: none; font-size: 14.5px; font-weight: 560; border: 1px solid var(--gp-ink);
}
.gp-button:hover { background: #1b2740; }
.gp-button.ghost { background: transparent; color: var(--gp-ink); border-color: var(--gp-line); }
.gp-button.ghost:hover { border-color: var(--gp-ink); background: transparent; }

.gp-eyebrow {
  font-family: var(--gp-mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gp-ink-faint);
}

/* Hero */
.gp-hero { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: 56px; padding: 72px 0 56px; align-items: start; }
.gp-hero h1 { font-size: clamp(34px, 4.2vw, 52px); line-height: 1.04; margin: 18px 0 20px; }
.gp-hero-lead { font-size: 18px; color: var(--gp-ink-soft); max-width: 46ch; }
.gp-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.gp-hero-facts { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--gp-line); }
.gp-hero-facts div { min-width: 120px; }
.gp-hero-facts b { display: block; font-family: var(--gp-mono); font-size: 21px; font-weight: 600; }
.gp-hero-facts span { font-size: 13px; color: var(--gp-ink-faint); }

/* The artifact: a real request and its two possible answers */
.gp-wire { border: 1px solid var(--gp-line); background: var(--gp-surface); }
.gp-wire-bar {
  display: flex; align-items: center; gap: 10px; padding: 11px 16px; border-bottom: 1px solid var(--gp-line);
  font-family: var(--gp-mono); font-size: 12.5px; color: var(--gp-ink-faint); background: #fff;
}
.gp-wire-bar b { color: var(--gp-ink); font-weight: 600; }
.gp-ledger { width: 100%; border-collapse: collapse; background: #fff; font-size: 14.5px; }
.gp-ledger td, .gp-ledger th { padding: 13px 16px; text-align: left; font-weight: 400; }
.gp-ledger tbody tr + tr td { border-top: 1px solid var(--gp-line); }
.gp-ledger .qty, .gp-ledger .amt { font-family: var(--gp-mono); font-variant-numeric: tabular-nums; text-align: right; color: var(--gp-ink-soft); white-space: nowrap; }
.gp-ledger .amt.total { color: var(--gp-ink); }
.gp-ledger tfoot tr:first-child th, .gp-ledger tfoot tr:first-child td { border-top: 1px solid var(--gp-line); }
.gp-ledger tfoot th { font-weight: 560; }
.gp-ledger tfoot tr:last-child th, .gp-ledger tfoot tr:last-child td { padding-top: 0; }
.gp-ledger tfoot .amt.total { font-size: 16px; font-weight: 600; }
.gp-verdict { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--gp-line); }
.gp-verdict > div { padding: 14px 16px; font-family: var(--gp-mono); font-size: 12.5px; }
.gp-verdict > div + div { border-left: 1px solid var(--gp-line); }
.gp-verdict i { font-style: normal; display: block; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 6px; }
.gp-verdict .ok i { color: var(--gp-verified); }
.gp-verdict .ok::before { content: ""; display: inline-block; width: 7px; height: 7px; background: var(--gp-verified-bright); margin-right: 7px; vertical-align: 1px; }
.gp-verdict .no i { color: var(--gp-rejected); }
.gp-verdict .no::before { content: ""; display: inline-block; width: 7px; height: 7px; background: var(--gp-rejected); margin-right: 7px; vertical-align: 1px; }

/* Bands */
.gp-band { border-top: 1px solid var(--gp-line); padding: 64px 0; }
.gp-band.tint { background: var(--gp-surface); }
.gp-band-head { max-width: 62ch; margin-bottom: 34px; }
.gp-band-head h2 { font-size: clamp(24px, 2.6vw, 32px); margin: 12px 0 12px; }
.gp-band-head p { color: var(--gp-ink-soft); }

/* Numbered steps as hairline rows, not cards */
.gp-steps { border-top: 1px solid var(--gp-line); }
.gp-step { display: grid; grid-template-columns: 56px minmax(0, 280px) minmax(0, 1fr); gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--gp-line); align-items: baseline; }
.gp-step span { font-family: var(--gp-mono); font-size: 12.5px; color: var(--gp-ink-faint); }
.gp-step h3 { font-size: 16.5px; }
.gp-step p { color: var(--gp-ink-soft); font-size: 15px; }

/* Two-column prose lists */
.gp-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 34px 44px; }
.gp-cols h3 { font-size: 15.5px; margin-bottom: 8px; }
.gp-cols p { color: var(--gp-ink-soft); font-size: 15px; }
.gp-cols .mono { display: block; margin-top: 8px; font-size: 12.5px; color: var(--gp-ink-faint); word-break: break-all; }

.gp-checks { list-style: none; margin: 0; padding: 0; }
.gp-checks li { padding: 13px 0 13px 26px; border-bottom: 1px solid var(--gp-line); position: relative; color: var(--gp-ink-soft); font-size: 15px; }
.gp-checks li::before { content: ""; position: absolute; left: 0; top: 20px; width: 9px; height: 1px; background: var(--gp-verified-bright); }
.gp-checks li b { color: var(--gp-ink); font-weight: 600; }

.gp-rejects li::before { background: var(--gp-rejected); }

/* Closing call */
.gp-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; justify-content: space-between; padding: 44px 0; border-top: 1px solid var(--gp-line); }
.gp-cta h2 { font-size: clamp(22px, 2.4vw, 28px); }
.gp-cta p { color: var(--gp-ink-soft); margin-top: 8px; }

/* Footer */
.gp-footer { border-top: 1px solid var(--gp-line); background: var(--gp-surface); padding: 48px 0 28px; font-size: 14.5px; }
.gp-footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 28px; }
.gp-footer h3 { font-family: var(--gp-mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gp-ink-faint); margin-bottom: 12px; font-weight: 600; }
.gp-footer a { display: block; color: var(--gp-ink-soft); text-decoration: none; padding: 4px 0; }
.gp-footer a:hover { color: var(--gp-ink); }
.gp-footer-bottom { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--gp-line); color: var(--gp-ink-faint); font-size: 13px; }
.gp-footer-bottom .mono { font-family: var(--gp-mono); }

.gp-local { background: var(--gp-ink); color: #fff; font-family: var(--gp-mono); font-size: 11.5px; letter-spacing: 0.12em; text-align: center; padding: 6px; }

@media (max-width: 900px) {
  .gp-hero { grid-template-columns: 1fr; gap: 36px; padding-top: 48px; }
  .gp-step { grid-template-columns: 34px 1fr; }
  .gp-step p { grid-column: 2; }
  .gp-nav { gap: 16px; font-size: 14px; }
  .gp-nav a:not(.gp-button) { display: none; }
  .gp-verdict { grid-template-columns: 1fr; }
  .gp-verdict > div + div { border-left: 0; border-top: 1px solid var(--gp-line); }
}