/* Duty Before the Answer — session split:
   a sealed well-water influence pane stays in view;
   the essay is written in the linen room beyond the threshold.
   Oranienbaum + Spectral + PT Mono. Do not reuse as a house skin. */

:root {
  --well: #07151a;
  --well-ink: #e4ecea;
  --ice: #b7d4ce;
  --ice-dim: #a8c4bf;
  --linen: #efece3;
  --north: #dce6e6;
  --ink: #1c1914;
  --mute: #5c5850;
  --teal: #2f5c56;
  --rule: #c9c3b6;
  --focus: #2f5c56;
  --display: "Oranienbaum", "Iowan Old Style", Palatino, serif;
  --serif: "Spectral", "Iowan Old Style", Palatino, Georgia, serif;
  --mono: "PT Mono", "Courier New", monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  background: var(--well);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--well);
  font-family: var(--serif);
}

a {
  color: var(--teal);
  text-underline-offset: 0.16em;
}
.chamber-wrap a:hover { color: var(--ink); }
.influence a:hover { color: var(--ice); }
a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 40;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.65rem 1rem;
  color: var(--well);
  background: var(--ice);
  transform: translateY(-180%);
}
.skip-link:focus { transform: none; }

.session {
  display: grid;
  grid-template-columns: minmax(18rem, 28vw) 0.85rem minmax(0, 1fr);
  min-height: 100dvh;
}

.influence {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow-y: auto;
  container-type: inline-size;
  padding: 0 1.4rem 1.6rem;
  color: var(--well-ink);
  background-color: var(--well);
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0 13px,
    rgba(183, 212, 206, 0.055) 13px 14px
  );
}

.site-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.95rem 0 1.4rem;
  font: 400 0.72rem/1.2 var(--mono);
  letter-spacing: 0.08em;
  color: var(--ice-dim);
}
.site-top a {
  color: inherit;
  text-decoration: none;
}
.site-top a:hover,
.language-nav a[aria-current="page"] { color: var(--ice); }
.language-nav {
  display: flex;
  gap: 0.9rem;
  overflow-x: auto;
}
.language-nav a[aria-current="page"] {
  border-bottom: 1px solid var(--ice);
}

.influence-copy {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
}

.lock-meta {
  margin: 0 0 1.8rem;
  color: var(--ice-dim);
  font: 400 0.68rem/1.5 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 9ch;
  color: var(--well-ink);
  font: 400 clamp(2.4rem, 5vw, 4.4rem)/0.95 var(--display);
  font-size: clamp(2.4rem, 22cqi, 4.4rem);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.dek {
  margin: 1.35rem 0 0;
  max-width: 22rem;
  color: var(--ice);
  font: italic 400 clamp(1.05rem, 1.6vw, 1.22rem)/1.35 var(--serif);
}

.article-meta {
  margin: 1.6rem 0 0;
  color: var(--ice-dim);
  font: 400 0.7rem/1.45 var(--mono);
  letter-spacing: 0.06em;
}
.article-meta a { color: inherit; }

.withheld {
  width: min(7.5rem, 42%);
  aspect-ratio: 1;
  margin-top: 2.4rem;
  border: 1px solid rgba(183, 212, 206, 0.45);
  color: var(--ice-dim);
  font: 400 0.62rem/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  display: grid;
  place-items: end start;
  padding: 0.55rem 0.6rem;
}

.lock-line {
  margin: 1.4rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(183, 212, 206, 0.22);
  color: var(--ice-dim);
  font: 400 0.68rem/1.4 var(--mono);
  letter-spacing: 0.08em;
}

.threshold {
  position: sticky;
  top: 0;
  z-index: 3;
  height: 100dvh;
  background-color: #061114;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--ice) 0 2px,
    transparent 2px 11px
  );
}
.threshold::after {
  content: "";
  position: absolute;
  left: 0;
  top: 46vh;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  background: var(--ice);
  box-shadow: inset 0 0 0 2px var(--well);
}

.chamber-wrap {
  min-width: 0;
  background:
    linear-gradient(180deg, var(--north) 0, var(--linen) 11rem);
  color: var(--ink);
}

.chamber,
.chamber-sources,
.article-foot {
  width: min(40rem, calc(100% - 3rem));
  margin-left: clamp(1.4rem, 6vw, 4.5rem);
  margin-right: auto;
}

.chamber {
  padding: clamp(2.8rem, 7vw, 5.5rem) 0 2rem;
  font-size: clamp(1.05rem, 0.98rem + 0.32vw, 1.2rem);
  line-height: 1.64;
  text-align: justify;
  hyphens: auto;
  text-wrap: pretty;
  orphans: 3;
  widows: 3;
}
.chamber p { margin: 0 0 1.25em; }
.chamber h2 {
  margin: 2.8rem 0 1rem;
  padding-top: 0.75rem;
  max-width: 18ch;
  border-top: 3px solid var(--well);
  font: 400 1.85rem/1.15 var(--display);
  letter-spacing: 0;
  text-align: left;
  text-wrap: balance;
}
.chamber code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: rgba(47, 92, 86, 0.1);
  padding: 0.05em 0.28em;
}

.chamber-sources {
  margin-top: 1rem;
  padding: 1.6rem 0 0.4rem;
  border-top: 1px solid var(--rule);
  font-size: 0.92em;
  line-height: 1.5;
  overflow-wrap: break-word;
}
.chamber-sources h2 {
  margin: 0 0 1rem;
  font: 400 1.35rem/1.2 var(--display);
}
.chamber-sources ol {
  margin: 0;
  padding-left: 1.3rem;
}
.chamber-sources li + li { margin-top: 0.55rem; }

.article-foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  margin-bottom: 3.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--mute);
  font: 400 0.68rem/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.article-foot a { color: inherit; }

@media (max-width: 64rem) {
  .session {
    grid-template-columns: 1fr;
  }
  .influence {
    position: relative;
    height: auto;
    min-height: 100svh;
    padding: 0 1.3rem 2rem;
  }
  .influence-copy { justify-content: flex-end; padding-bottom: 1rem; }
  h1 { max-width: 12ch; }
  .threshold {
    position: relative;
    height: 0.75rem;
    background-image: repeating-linear-gradient(
      to right,
      var(--ice) 0 2px,
      transparent 2px 11px
    );
  }
  .threshold::after {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .chamber,
  .chamber-sources,
  .article-foot {
    width: min(40rem, calc(100% - 2.2rem));
    margin-left: auto;
    margin-right: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media (prefers-contrast: high) {
  :root {
    --well: #000;
    --well-ink: #fff;
    --ice: #fff;
    --ice-dim: #ddd;
    --linen: #fff;
    --north: #fff;
    --ink: #000;
    --teal: #003833;
    --rule: #333;
  }
  .influence { background-image: none; }
  .threshold { background-color: #000; }
}

@media print {
  html, body { background: #fff; color: #000; }
  .session { display: block; }
  .influence, .threshold { position: static; height: auto; }
  .influence {
    min-height: 0;
    color: #000;
    background: #fff;
    border-bottom: 3px solid #000;
  }
  .threshold { display: none; }
  .chamber-wrap { background: #fff; }
}