/* Dark Sky Systems — night-ops paper. One visual system. */
:root {
  --ground: #0c0b09;
  --lift: #141210;
  --bone: #e8e0d0;
  --bone-soft: #b4aa98;
  --rule: #2c2822;
  --rule-hot: #4a4338;
  --accent: #c4a35a;
  --accent-bg: #16130e;
  --accent-rule: #6b5428;
  --stamp: #c4a35a;
  --ease: 180ms ease;
  --stage: calc(2.6rem + env(safe-area-inset-top, 0px));
}

* { box-sizing: border-box; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--ground);
  color: var(--bone);
  font-family: "Iowan Old Style", Palatino, "Palatino Linotype", "New York", "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

.stage-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.55rem 1rem;
  padding-top: max(0.55rem, env(safe-area-inset-top));
  background: var(--ground);
  border-bottom: 1px solid var(--rule);
}

.stamp {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stamp);
  border: 1px solid var(--accent-rule);
  padding: 0.2rem 0.5rem;
}

.sheet {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2.25rem max(1.5rem, env(safe-area-inset-right, 0px)) calc(3.5rem + env(safe-area-inset-bottom, 0px)) max(1.5rem, env(safe-area-inset-left, 0px));
}

.mast {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1rem;
  margin-bottom: 1.75rem;
}

.wordmark {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.trade {
  margin: 0.25rem 0 0;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-soft);
}

.trade .dot { color: var(--accent); }

.rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.1rem;
  margin-top: 0.85rem;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rail a {
  color: var(--bone-soft);
  text-decoration: none;
  text-underline-offset: 0.18em;
}

.rail a:hover,
.rail a:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}

#request, #catalog, #parts, #part-request, #sits, #bound {
  scroll-margin-top: calc(var(--stage) + 0.75rem);
}

h1 {
  margin: 0 0 0.6rem;
  font-size: 2.4rem;
  font-weight: 600;
  letter-spacing: -0.028em;
  line-height: 1.06;
  text-wrap: balance;
}

.lede {
  margin: 0 0 1.25rem;
  font-size: 1.12rem;
  color: var(--bone-soft);
  text-wrap: pretty;
}

.cta-block {
  margin: 1.75rem 0 2.25rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.15rem;
}

.cta {
  appearance: none;
  -webkit-appearance: none;
  font-family: inherit;
  font-size: 1.05rem;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  background: var(--bone);
  color: var(--ground);
  border: 1px solid var(--bone);
  cursor: pointer;
  touch-action: manipulation;
  transition: transform var(--ease), background-color var(--ease), border-color var(--ease);
}

.cta:hover,
.cta:focus-visible {
  background: #f3ebe0;
  border-color: var(--accent);
  transform: translateY(-1px);
}

.cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.cta.is-copied {
  border-color: var(--accent);
}

.cta-sec {
  color: var(--bone);
  font-size: 1rem;
  text-underline-offset: 0.18em;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: color var(--ease);
}

.cta-sec:hover,
.cta-sec:focus-visible { color: var(--accent); }

.cta-help {
  margin: 0.8rem 0 0;
  font-size: 0.95rem;
  color: var(--bone-soft);
}

.copied {
  margin: 0.55rem 0 0;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-brief {
  margin: 1rem 0 0;
  padding: 0.9rem 1rem;
  background: var(--lift);
  border: 1px solid var(--rule);
  font-size: 0.95rem;
}

.page-brief p:last-child { margin-bottom: 0; }

.page-brief.is-live {
  border-color: var(--accent-rule);
}

h2 {
  margin: 2.1rem 0 0.55rem;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h3 {
  margin: 1.45rem 0 0.4rem;
  font-size: 1.02rem;
  font-weight: 600;
}

p { margin: 0 0 0.75rem; }

code, .mono {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.86em;
}

.spoken {
  margin: 0.4rem 0 1.25rem;
  padding: 0.85rem 1rem 0.85rem 2.1rem;
  background: var(--lift);
  border: 1px solid var(--rule);
}

.spoken li {
  margin: 0.45rem 0;
  color: var(--bone);
}

.gets, .steps, #bound ul {
  margin: 0 0 0.85rem;
  padding-left: 1.2rem;
}

.gets li, .steps li, #bound ul li {
  margin: 0.35rem 0;
}

.who {
  margin: 1rem 0 0;
  color: var(--bone-soft);
}

.plates {
  margin: 2rem 0 0.5rem;
  display: grid;
  gap: 1.15rem;
}

.plates figure { margin: 0; }

.plates img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  background: var(--lift);
}

.plates figcaption {
  margin-top: 0.4rem;
  font-size: 0.88rem;
  color: var(--bone-soft);
}

.catalog-lede {
  color: var(--bone-soft);
}

.cards {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.85rem;
}

.card {
  margin: 0;
  padding: 0.9rem 1rem 1rem;
  background: var(--lift);
  border: 1px solid var(--rule);
  transition: transform var(--ease), border-color var(--ease);
}

.card:hover,
.card:focus-within {
  border-color: var(--rule-hot);
  transform: translateY(-2px);
}

.card-k {
  margin: 0 0 0.15rem;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.card h3 { margin: 0 0 0.35rem; }

.card p { margin: 0; }

.card-note {
  margin: 0.55rem 0 0;
  font-size: 0.92rem;
  color: var(--accent);
}

.card-note a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

.line, .parts {
  margin-top: 2.4rem;
}

.card p + p {
  margin-top: 0.45rem;
}

.parts .cta-block {
  margin-bottom: 0;
}

#bound {
  margin-top: 2.4rem;
  padding-top: 0.25rem;
}

#bound ul { color: var(--bone); }

footer {
  margin-top: 2.25rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--rule);
  font-size: 0.92rem;
  color: var(--bone-soft);
}

footer p { margin: 0; }

@media (min-width: 720px) {
  .cards {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  html, body { font-size: 16px; }
  .sheet {
    padding: 1.05rem max(0.95rem, env(safe-area-inset-right, 0px)) max(2.8rem, env(safe-area-inset-bottom, 0px)) max(0.95rem, env(safe-area-inset-left, 0px));
  }
  h1 { font-size: 1.55rem; letter-spacing: -0.03em; }
  h2 { font-size: 1.12rem; margin-top: 1.6rem; }
  .cta {
    width: 100%;
    min-height: 52px;
  }
  .cta-sec {
    display: flex;
    width: 100%;
    padding: 0.2rem 0;
  }
  .rail {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0.25rem 0.85rem;
    margin-right: calc(-1 * max(0.95rem, env(safe-area-inset-right, 0px)));
    padding-right: max(0.95rem, env(safe-area-inset-right, 0px));
    scrollbar-width: none;
  }
  .rail::-webkit-scrollbar { display: none; }
  .rail a {
    flex: 0 0 auto;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
  .plates { gap: 0.75rem; }
  .cards { gap: 0.55rem; }
  .card { padding: 0.75rem 0.8rem 0.85rem; }
  .card-note a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
  }
  .spoken {
    padding: 0.7rem 0.8rem 0.7rem 1.65rem;
  }
  .page-brief { padding: 0.75rem 0.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cta, .card, .cta-sec {
    transition: none;
  }
  .cta:hover,
  .cta:focus-visible,
  .card:hover,
  .card:focus-within {
    transform: none;
  }
}

.close {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--rule);
  color: var(--bone-soft);
  font-size: 0.95rem;
}
.close p:last-child { margin-bottom: 0; }

.part-cards {
  margin: 1.1rem 0 0;
}
#part-request {
  scroll-margin-top: calc(var(--stage) + 0.75rem);
}

@media (hover: none) {
  .cta:hover,
  .card:hover,
  .card:focus-within {
    transform: none;
  }
}

@media (min-width: 880px) {
  .sheet { max-width: 46rem; }
  .plates {
    grid-template-columns: 1fr 1fr;
  }
  .plates figure:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}

#request:target,
#part-request:target {
  border-color: var(--accent-rule);
}

.skip {
  position: absolute;
  left: max(0.75rem, env(safe-area-inset-left, 0px));
  top: max(0.45rem, env(safe-area-inset-top, 0px));
  z-index: 4;
  padding: 0.45rem 0.7rem;
  background: var(--lift);
  border: 1px solid var(--accent-rule);
  color: var(--bone);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transform: translateY(-160%);
}
.skip:focus,
.skip:focus-visible {
  transform: none;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media print {
  html { color-scheme: light; }
  :root {
    --ground: #f4efe4;
    --lift: #fffdf8;
    --bone: #1a1c18;
    --bone-soft: #3a3d36;
    --rule: #c9c2b2;
    --rule-hot: #8a8374;
    --accent: #6b5428;
    --accent-bg: #f0ebe0;
    --accent-rule: #8a5a2a;
    --stamp: #6b5428;
  }
  body {
    background: #fff;
    color: var(--bone);
  }
  .stage-bar { position: static; }
  .rail, .skip { display: none; }
  .cta, .cta-sec, .card, .spoken, figure, #request, #part-request {
    break-inside: avoid;
    page-break-inside: avoid;
    box-shadow: none;
    transform: none;
  }
  .cta, .cta-sec {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

.instrument {
  margin: 0.85rem 0 0.35rem;
  color: var(--bone-soft);
  font-size: 0.95rem;
}