:root {
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
  color: #203d36;
  background: #f6f6ef;
  font-size: 17px;
  line-height: 1.7;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
header {
  padding: 1.1rem 4vw;
  background: #fff;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid #dae1d7;
}
header a {
  font-weight: 800;
  letter-spacing: 0.12em;
  text-decoration: none;
}
header span {
  font-size: 0.8rem;
}
main {
  max-width: 1050px;
  margin: 3rem auto;
  padding: 0 1.2rem;
}
h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0.2rem 0;
}
h2 {
  font-size: 1.4rem;
}
h3 {
  font-size: 1.1rem;
}
.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}
.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0;
}
label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.9rem;
}
select,
button {
  font: inherit;
  padding: 0.8rem;
  border: 1px solid #a7b8a6;
  border-radius: 0.4rem;
  min-width: 0;
  width: 100%;
  background: white;
  color: inherit;
}
button {
  background: #235849;
  color: white;
  cursor: pointer;
  align-self: end;
}
button:disabled {
  opacity: 0.5;
  cursor: default;
}
:focus-visible {
  outline: 3px solid #aa7a12;
  outline-offset: 3px;
}
article {
  background: #fff;
  border: 1px solid #d8dfd2;
  border-radius: 0.7rem;
  padding: clamp(1rem, 3vw, 2rem);
  margin: 2rem 0;
}
.claim {
  white-space: pre-wrap;
  line-height: 1.9;
}
.scope,
.qualification {
  background: #f1f3e8;
  padding: 0.65rem 1rem;
  border-left: 3px solid #ac984b;
}
details {
  margin: 1rem 0;
  border-top: 1px solid #e1e4dc;
  padding-top: 1rem;
}
summary {
  cursor: pointer;
  font-weight: 600;
}
blockquote {
  white-space: pre-wrap;
  margin: 1rem 0;
  padding: 1rem;
  border-left: 3px solid #79937d;
  background: #f6f8f2;
  font-size: 0.95rem;
}
a {
  color: #245949;
  text-underline-offset: 0.2em;
}
.evidence {
  padding: 1rem 0;
  border-bottom: 1px solid #e2e5db;
}
.meta {
  font-size: 0.85rem;
  color: #586b61;
  overflow-wrap: anywhere;
}
aside,
footer {
  font-size: 0.82rem;
  color: #57675d;
}
aside {
  margin-top: 2rem;
}
footer {
  padding: 2rem 4vw;
  border-top: 1px solid #dde3d7;
}
footer a {
  margin-left: 1rem;
}
[hidden] {
  display: none !important;
}
@media (max-width: 640px) {
  .controls {
    grid-template-columns: 1fr;
  }
  header {
    flex-direction: column;
    gap: 0;
  }
  main {
    margin-top: 1.5rem;
  }
}