:root {
  --desk: #14201b;
  --desk-2: #0e1713;
  --ink-on-desk: #f4efe6;
  --muted-on-desk: #b7c3b8;
  --line-on-desk: rgba(244, 239, 230, 0.16);
  --moss: #dff25a;
  --receipt: #f4efe2;
  --ink: #1c1713;
  --muted: #5f584e;
  --rule: rgba(28, 23, 19, 0.45);
  --stamp: #b42318;
  --shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(900px 420px at 0% -10%, #24382e, transparent 60%),
    linear-gradient(180deg, var(--desk), var(--desk-2));
  color: var(--ink-on-desk);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.5;
  min-height: 100vh;
}
body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 100% 4px;
  mix-blend-mode: overlay;
  opacity: 0.25;
}
a { color: inherit; }
a:hover { color: var(--moss); }
:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 3px;
}
.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--moss);
  color: #14201b;
  padding: 8px 12px;
  z-index: 5;
}
.skip:focus { top: 12px; }

.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 22px 0 8px;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--serif);
  font-weight: 560;
  font-size: 28px;
  letter-spacing: -0.04em;
  text-decoration: none;
}
.nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; }
.nav a { text-decoration: none; color: var(--muted-on-desk); }
.nav a[aria-current="page"] { color: var(--ink-on-desk); border-bottom: 1px solid var(--moss); }

.hero { padding: 28px 0 8px; max-width: 740px; }
.kicker {
  margin: 0 0 10px;
  color: var(--moss);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1 {
  font-family: var(--serif);
  font-weight: 560;
  font-size: clamp(40px, 6vw, 68px);
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin: 0 0 14px;
}
.lede { margin: 0; color: var(--muted-on-desk); font-size: 18px; max-width: 62ch; }
h2 {
  font-family: var(--serif);
  font-weight: 560;
  letter-spacing: -0.03em;
  font-size: 32px;
  margin: 0 0 8px;
}

.layout {
  display: grid;
  gap: 28px;
  padding: 28px 0 10px;
}
@media (min-width: 980px) {
  .layout { grid-template-columns: minmax(0, 1fr) 400px; align-items: start; }
  .receipt-wrap { position: sticky; top: 16px; }
}

.panel {
  display: grid;
  gap: 14px;
}
.field { display: grid; gap: 6px; }
.field span, .check span { font-size: 14px; font-weight: 500; }
.hint { color: var(--muted-on-desk); font-size: 13px; margin: 0; }
input, select, textarea {
  width: 100%;
  background: #0e1713;
  color: var(--ink-on-desk);
  border: 1px solid var(--line-on-desk);
  border-radius: 12px;
  padding: 12px 12px;
  font: inherit;
  font-variant-numeric: tabular-nums;
}
textarea { min-height: 180px; resize: vertical; }
.checks { display: flex; flex-wrap: wrap; gap: 16px 22px; }
.check { display: flex; gap: 8px; align-items: center; }
.check input { width: auto; accent-color: #9ab82a; }
.grid-2 { display: grid; gap: 14px; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

.receipt {
  background:
    radial-gradient(circle at 12px 0, transparent 9px, var(--receipt) 10px) 0 0 / 24px 14px repeat-x,
    var(--receipt);
  color: var(--ink);
  padding: 28px 22px 26px;
  box-shadow: var(--shadow);
  font-family: var(--mono);
  font-size: 13px;
}
.receipt h2 {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-align: center;
  margin: 8px 0 0;
}
.receipt .sub {
  text-align: center;
  color: var(--muted);
  margin: 4px 0 12px;
}
.rule {
  border: 0;
  border-top: 1px dashed var(--rule);
  margin: 10px 0;
}
.row, .total-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.row span:last-child, .total-row span:last-child { text-align: right; }
.total {
  font-family: var(--serif);
  font-size: 56px;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--stamp);
  text-align: right;
  margin: 4px 0;
}
.stamp {
  display: inline-block;
  border: 2px solid var(--stamp);
  color: var(--stamp);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 6px;
  transform: rotate(-2deg);
}
.actions { display: flex; gap: 8px; margin-top: 12px; }
button, .button {
  appearance: none;
  border: 0;
  background: var(--ink);
  color: var(--receipt);
  font: inherit;
  font-family: var(--sans);
  font-size: 14px;
  padding: 10px 12px;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  display: inline-block;
}
button.ghost, .button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
}
button:disabled, .button[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}
.warn { color: var(--stamp); margin: 8px 0 0; padding-left: 16px; }
.steps { width: 100%; border-collapse: collapse; margin-top: 8px; }
.steps th, .steps td { text-align: right; padding: 3px 0; font-weight: 400; }
.steps th:first-child, .steps td:first-child { text-align: left; }
details summary { cursor: pointer; }

.section { padding: 18px 0 36px; }
.prose { max-width: 68ch; }
.prose p, .prose li { color: var(--muted-on-desk); }
.prose strong { color: var(--ink-on-desk); font-weight: 600; }
.prose h2 { margin-top: 28px; }
.card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line-on-desk);
  border-radius: 18px;
  padding: 18px;
}
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
table.data th, table.data td {
  text-align: right;
  padding: 8px 8px;
  border-bottom: 1px solid var(--line-on-desk);
  white-space: nowrap;
}
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data th { color: var(--muted-on-desk); font-weight: 500; font-size: 12px; letter-spacing: 0.04em; }
.scroll { overflow-x: auto; }
.pick { font-weight: 600; }
.footer {
  padding: 28px 0 48px;
  color: var(--muted-on-desk);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer a { color: var(--muted-on-desk); }
.error {
  background: #3a1414;
  color: #ffd7d2;
  padding: 12px 14px;
  border-radius: 12px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
@media (max-width: 640px) {
  .total { font-size: 46px; }
  h1 { font-size: 40px; }
  .kicker { letter-spacing: 0.04em; }
}