:root {
  --blotter: #d5e2e8;
  --slip: #f4f8f9;
  --ink: #13242c;
  --rule: #7f97a1;
  --teal: #1f5c64;
  --stamp: #b42318;
  --quiet: #4d646e;
  --line: rgba(19, 36, 44, 0.16);
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 12rem),
    var(--blotter);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
}

a {
  color: var(--teal);
  text-underline-offset: 0.18em;
}

a:hover { color: var(--ink); }

code {
  font-family: var(--mono);
  font-size: 0.92em;
  white-space: nowrap;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.wrap {
  width: min(46rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.75rem 0 3rem;
}

.mast {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mast a { color: var(--ink); }

.mast strong { font-weight: 500; }

h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.lede {
  max-width: 36rem;
  margin: 0 0 1.6rem;
  font-size: 1.15rem;
}

.slip {
  position: relative;
  background: var(--slip);
  border: 1px solid var(--ink);
  box-shadow: 8px 8px 0 rgba(19, 36, 44, 0.08);
  padding: 1.1rem 1.15rem 1.3rem;
}

.slip-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  border-bottom: 1px dashed var(--rule);
  padding-bottom: 0.8rem;
  margin-bottom: 0.4rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--quiet);
}

.stamp {
  flex: 0 0 auto;
  border: 2px solid var(--stamp);
  color: var(--stamp);
  padding: 0.35rem 0.5rem 0.28rem;
  text-align: center;
  line-height: 1.15;
  letter-spacing: 0.14em;
  transform: rotate(-8deg);
}

.stamp b {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
}

.stamp span {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.field {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.35rem 0.8rem;
  padding: 0.72rem 0;
  border-bottom: 1px solid var(--line);
}

.field:last-child { border-bottom: 0; }

.field dt {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--quiet);
  padding-top: 0.2rem;
}

.field dd { margin: 0; }

.notes {
  display: grid;
  gap: 0.9rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.notes li {
  padding-left: 0.9rem;
  border-left: 3px solid var(--teal);
}

h2 {
  margin: 2rem 0 0.4rem;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.en {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font-size: 0.98rem;
}

.policy h2 { margin-top: 1.6rem; }

.policy p,
.policy li { max-width: 40rem; }

.policy ul { padding-left: 1.15rem; }

.foot {
  margin-top: 2rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--quiet);
}

@media (max-width: 640px) {
  .field { grid-template-columns: 1fr; gap: 0.15rem; }
  .slip-top { flex-direction: column; }
  .stamp { transform: none; }
}