:root {
  --paper: #eef2f5;
  --slip: #ffffff;
  --ink: #16243a;
  --ink-soft: #4a5a72;
  --rule: #c9d3de;
  --postmark: #2e55b8;
  --ok: #1f7a4d;
  --warn: #8f5b00;
  --bad: #b4322a;
  --unknown: #66758a;
  --focus: #2e55b8;
  --display: 'Bricolage Grotesque', 'Segoe UI', system-ui, sans-serif;
  --body: 'Atkinson Hyperlegible', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1724;
    --slip: #172235;
    --ink: #e6ecf4;
    --ink-soft: #a6b3c6;
    --rule: #2c3a52;
    --postmark: #8eabf2;
    --ok: #5cc28f;
    --warn: #e0b04c;
    --bad: #f0897f;
    --unknown: #93a1b5;
    --focus: #8eabf2;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--body);
  padding: env(safe-area-inset-top, 0) env(safe-area-inset-right, 0) env(safe-area-inset-bottom, 0) env(safe-area-inset-left, 0);
}
main, .top, .foot { max-width: 46rem; margin: 0 auto; padding-inline: 1.25rem; }
a { color: var(--postmark); text-underline-offset: 0.18em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }

.top { display: flex; justify-content: space-between; align-items: baseline; padding-block: 1.25rem; }
.brand { font: 800 1.35rem/1 var(--display); color: var(--ink); text-decoration: none; letter-spacing: -0.02em; }
.top-link { font-size: 0.95rem; }

h1, h2, h3 { font-family: var(--display); line-height: 1.1; letter-spacing: -0.015em; margin: 0 0 0.6em; }
h1 { font-size: clamp(2.5rem, 7.5vw, 4.4rem); font-weight: 800; letter-spacing: -0.035em; max-width: 13ch; }
h2 { font-size: clamp(1.45rem, 3.4vw, 1.9rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 600; }

.hero { padding-block: 2.5rem 2rem; }
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 36em; margin: 0 0 2rem; }

.scan label, .notify > label:not(.consent) { display: block; font-weight: 700; margin-bottom: 0.4rem; }
.scan-row { display: flex; gap: 0.6rem; flex-wrap: wrap; }
input[type="text"], input[type="email"] {
  flex: 1 1 16rem; min-width: 0;
  font: 400 1.15rem/1.3 var(--body);
  padding: 0.85rem 1rem;
  color: var(--ink); background: var(--slip);
  border: 2px solid var(--ink); border-radius: 8px;
}
input::placeholder { color: var(--unknown); }
button, .button {
  font: 700 1.05rem/1 var(--body);
  padding: 0.95rem 1.4rem;
  border-radius: 8px; border: 2px solid var(--ink);
  background: var(--ink); color: var(--paper);
  cursor: pointer; text-decoration: none; display: inline-block;
}
button.secondary { background: transparent; color: var(--ink); }
button:disabled { opacity: 0.6; cursor: progress; }
.hint { font-size: 0.92rem; color: var(--ink-soft); margin: 0.6rem 0 0; }
.error { color: var(--bad); font-weight: 700; margin: 0.6rem 0 0; }
.error.ok { color: var(--ok); }

/* The receipt slip: the one bold element on the page */
.result { padding-bottom: 1rem; }
.slip {
  position: relative;
  background: var(--slip);
  padding: 2rem 1.5rem 1.25rem;
  border-radius: 0 0 10px 10px;
  margin-top: 0.5rem;
  -webkit-mask: radial-gradient(circle 7px at 50% 0, transparent 98%, #000) 0 0 / 22px 100% repeat-x;
          mask: radial-gradient(circle 7px at 50% 0, transparent 98%, #000) 0 0 / 22px 100% repeat-x;
}
.slip-head { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.slip-head h2 { margin-bottom: 0.3em; overflow-wrap: anywhere; }
#result-summary { margin: 0; color: var(--ink-soft); }
.postmark {
  flex: 0 0 auto;
  width: 7.2rem; height: 7.2rem; border-radius: 50%;
  border: 3px double var(--postmark); color: var(--postmark);
  display: grid; place-content: center; text-align: center; gap: 0.1rem;
  transform: rotate(-9deg);
  font-family: var(--display);
}
.pm-word { font-weight: 600; font-size: 0.85rem; }
.pm-score { font-weight: 800; font-size: 1.7rem; line-height: 1; }
.pm-date { font-size: 0.75rem; }
.result.stamped .postmark { animation: stamp 420ms cubic-bezier(.2,.9,.3,1.3) both; }
@keyframes stamp {
  from { transform: rotate(-24deg) scale(1.6); opacity: 0; }
  to { transform: rotate(-9deg) scale(1); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) { .result.stamped .postmark { animation: none; } }

.ledger { list-style: none; margin: 1.5rem 0 0; padding: 0; }
.ledger li {
  display: grid; grid-template-columns: 6.2rem 1fr; gap: 0.25rem 1rem;
  padding: 0.9rem 0; border-top: 1px dashed var(--rule);
}
.ledger .tag { font-weight: 700; font-size: 0.9rem; display: flex; align-items: baseline; gap: 0.4rem; }
.ledger .tag::before { content: ''; width: 0.65rem; height: 0.65rem; border-radius: 50%; background: currentColor; flex: 0 0 auto; transform: translateY(0.05rem); }
.ledger .pass .tag { color: var(--ok); }
.ledger .warn .tag { color: var(--warn); }
.ledger .fail .tag { color: var(--bad); }
.ledger .unknown .tag { color: var(--unknown); }
.ledger .unknown .tag::before { background: transparent; border: 2px solid currentColor; }
.ledger strong { display: block; }
.ledger p { margin: 0.15rem 0 0; color: var(--ink-soft); overflow-wrap: anywhere; }

.hook { padding-block: 2.5rem 1rem; }
.hook > p { max-width: 36em; }
.offer {
  border: 2px solid var(--ink); border-radius: 10px;
  padding: 1.25rem 1.25rem 1.4rem; margin: 1.5rem 0;
}
.offer p { margin-top: 0; }
.notify { margin-top: 2rem; }
.consent { display: flex; gap: 0.6rem; align-items: flex-start; margin-top: 0.8rem; font-size: 0.95rem; color: var(--ink-soft); }
.consent input { width: 1.2rem; height: 1.2rem; margin-top: 0.2rem; flex: 0 0 auto; accent-color: var(--ink); }

.prose { padding-block: 2rem; border-top: 1px solid var(--rule); }
.prose p, .prose li { max-width: 36em; }
.causes { padding-left: 1.2rem; }
.causes li { margin: 0.35rem 0; }
.route { list-style: none; counter-reset: step; padding: 0; margin: 0; }
.route li { counter-increment: step; position: relative; padding: 0 0 1.1rem 3rem; }
.route li::before {
  content: counter(step);
  position: absolute; left: 0; top: -0.1rem;
  width: 2rem; height: 2rem; border-radius: 50%;
  border: 2px solid var(--postmark); color: var(--postmark);
  display: grid; place-content: center;
  font: 800 1rem/1 var(--display);
}
.route li:not(:last-child)::after {
  content: ''; position: absolute; left: calc(1rem - 1px); top: 2.1rem; bottom: 0.1rem;
  border-left: 2px dotted var(--rule);
}
details { border-top: 1px dashed var(--rule); padding: 0.8rem 0; }
summary { cursor: pointer; font-weight: 700; }
details p { margin: 0.6rem 0 0; color: var(--ink-soft); }

.foot {
  display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem;
  padding-block: 2rem 2.5rem; border-top: 1px solid var(--rule); font-size: 0.95rem;
}
.langs { display: flex; gap: 1rem; margin-left: auto; }

@media (max-width: 34rem) {
  .slip { padding-inline: 1rem; }
  .slip-head { flex-direction: column-reverse; }
  .postmark { width: 6rem; height: 6rem; align-self: flex-end; margin-top: -0.5rem; }
  .ledger li { grid-template-columns: 1fr; }
  .scan-row button { width: 100%; }
  .langs { margin-left: 0; }
}