:root {
  --paper: #faf9f5;
  --ink: #0f0e0d;
  --clay: #d97757;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--ink); color: var(--paper); }
.page {
  width: min(42rem, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: clamp(2rem, 7vh, 4.25rem) 0 clamp(1.5rem, 4vh, 2.25rem);
}
.masthead { margin-bottom: clamp(2.5rem, 7vh, 4rem); }
.wordmark {
  font-family: "Instrument Serif", "Times New Roman", Times, serif;
  font-size: clamp(2.25rem, 6vw, 3.25rem);
  font-weight: 400;
  letter-spacing: -0.024em;
  line-height: 1;
  color: var(--ink);
  text-decoration: none;
}
h1 {
  font-family: "Instrument Serif", "Times New Roman", Times, serif;
  font-size: clamp(2.35rem, 7vw, 3.75rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.05;
  max-width: 12em;
}
.support {
  margin-top: clamp(1rem, 2vh, 1.4rem);
  font-size: clamp(1.05rem, 2.1vw, 1.3125rem);
  letter-spacing: -0.012em;
  line-height: 1.3;
}
.artifact { margin: clamp(2.25rem, 5vh, 3.25rem) 0 0; }
.artifact-sheet {
  width: min(100%, 18.5rem);
  aspect-ratio: 3 / 3.7;
  padding: 1.6rem 1.45rem 1.4rem;
  border: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  background: var(--paper);
}
.artifact-word {
  font-family: "Instrument Serif", "Times New Roman", Times, serif;
  font-size: 1.85rem;
  letter-spacing: -0.02em;
  line-height: 1;
}
.artifact-rule {
  width: 2.25rem;
  height: 1px;
  margin-top: 1rem;
  background: var(--clay);
}
.artifact-field {
  flex: 1;
  margin: 1.15rem 0;
  border-top: 1px solid var(--ink);
  opacity: 0.35;
}
.artifact-sign { width: 4.5rem; height: 1px; background: var(--ink); }
.work {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem 1.75rem;
  margin-top: clamp(2rem, 4.5vh, 2.75rem);
  max-width: 28rem;
}
.work-field {
  flex: 1 1 11rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}
.work-caption { font-size: 0.6875rem; letter-spacing: 0.04em; }
.work input {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  padding: 0.35rem 0 0.4rem;
}
.work button {
  flex: 0 0 auto;
  border: none;
  border-bottom: 1px solid var(--clay);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.9375rem;
  padding: 0.35rem 0 0.4rem;
}
.work input:disabled, .work button:disabled {
  opacity: 1;
  color: var(--ink);
  -webkit-text-fill-color: var(--ink);
  cursor: not-allowed;
}
.proof, .how, .crew, .close { padding: clamp(2.5rem, 8vh, 4.25rem) 0; border-top: 1px solid var(--ink); }
.close { padding-bottom: clamp(3rem, 9vh, 5rem); }
.label, .lockup {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1;
}
.lockup .colon, .arrow { color: var(--clay); }
.proof-line, .sequence, .close-line { margin-top: 1.15rem; }
.proof-line { font-size: clamp(1.05rem, 2vw, 1.25rem); letter-spacing: -0.012em; line-height: 1.3; }
.proof-figure { margin-top: 0.55rem; font-size: 0.9375rem; }
.sequence {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.55rem;
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  line-height: 1.6;
}
.roster { list-style: none; margin-top: 1.35rem; max-width: 22rem; }
.roster li {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--ink);
  font-size: 1.0625rem;
}
.roster li:first-child { border-top: 1px solid var(--ink); }
.who { font-weight: 500; }
.close-line {
  font-family: "Instrument Serif", "Times New Roman", Times, serif;
  font-size: clamp(1.85rem, 5vw, 2.65rem);
  letter-spacing: -0.022em;
  line-height: 1.15;
}
.close .work { margin-top: 1.75rem; }
footer {
  border-top: 1px solid var(--ink);
  padding-top: 1rem;
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
}
@media (max-width: 40rem) {
  .page { width: min(42rem, calc(100% - 2rem)); }
  .work { max-width: none; }
  .work button { flex-basis: 100%; text-align: left; }
}