@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/fraunces-500-lat.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/fraunces-500-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/fraunces-700-lat.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/fraunces-700-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/sourceserif4-400-lat.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/sourceserif4-400-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/sourceserif4-600-lat.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/sourceserif4-600-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/ibmplexsans-400-lat.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/ibmplexsans-400-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/ibmplexsans-500-lat.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/ibmplexsans-500-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/ibmplexsans-600-lat.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/ibmplexsans-600-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --ochre: #c48a3a;
  --ochre-deep: #9a6824;
  --rust: #8c2f2a;
  --rust-bright: #b2453c;
  --navy: #243a5a;
  --night: #141a24;
  --dusk: #1c2430;
  --mist: #b7b0a4;
  --paper: #e7e3da;
  --paper-2: #dcd6cb;
  --slide: #f3eee4;
  --ink: #1a1f27;
  --ink-soft: #4a4550;
  --line: #c9c2b6;
  --display: "Fraunces", "Palatino Linotype", Palatino, serif;
  --body: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", serif;
  --util: "IBM Plex Sans", "Segoe UI", sans-serif;
  --shell: min(1180px, calc(100vw - 40px));
  --radius: 2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; max-width: 100%; overflow-x: clip; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.125rem;
  line-height: 1.62;
  font-optical-sizing: auto;
  max-width: 100%;
  overflow-x: clip;
}
img, svg { max-width: 100%; display: block; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-underline-offset: 0.18em; }
:focus-visible { outline: 2px solid var(--ochre); outline-offset: 3px; }

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 16px;
  top: 16px;
  z-index: 80;
  background: var(--slide);
  color: var(--ink);
  padding: 10px 14px;
}

.shell { width: var(--shell); max-width: 100%; margin-inline: auto; }
.kicker {
  font-family: var(--util);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ochre);
}
.util { font-family: var(--util); }

.topbar {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  padding: 22px 0;
  color: #ece6da;
  width: 100%;
  max-width: 100vw;
}
.topbar .shell {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.topbar nav { display: flex; gap: 6px; flex: 0 0 auto; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--util);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: 500;
}
.brand-mark {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
}
.lang {
  font-family: var(--util);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid rgba(236, 230, 218, 0.45);
  min-height: 44px;
  padding: 0 14px;
  display: inline-grid;
  place-items: center;
}
.lang[aria-current="page"] { background: rgba(236, 230, 218, 0.12); }

.hero {
  background:
    radial-gradient(ellipse 70% 80% at 78% 45%, rgba(196, 138, 58, 0.16), transparent 55%),
    radial-gradient(ellipse 50% 60% at 20% 80%, rgba(140, 47, 42, 0.18), transparent 50%),
    var(--night);
  color: #ece6da;
  padding: 118px 0 64px;
  min-height: 100svh;
  display: grid;
  align-items: center;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  grid-template-areas:
    "copy organ"
    "support organ";
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}
.hero-grid > * { min-width: 0; }
.hero-copy { grid-area: copy; align-self: end; }
.hero-support { grid-area: support; align-self: start; }
.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(3.1rem, 7vw, 6.1rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin: 0.18em 0 0.28em;
  max-width: 11ch;
  font-optical-sizing: auto;
}
.hero h1 em {
  font-style: italic;
  font-weight: 500;
  color: var(--ochre);
  display: block;
}
.deck {
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
  line-height: 1.48;
  max-width: min(38rem, 100%);
  color: #d7d0c3;
  overflow-wrap: break-word;
}
.hero-note {
  font-family: var(--util);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--mist);
  max-width: 36rem;
  margin-top: 22px;
}
.organ-prompt {
  max-width: 34rem;
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--ochre);
  color: #d7d0c3;
  font-family: var(--util);
  font-size: 0.88rem;
  line-height: 1.45;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 0;
  max-width: 36rem;
}
.stat dt {
  font-family: var(--util);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
}
.stat dd {
  margin: 4px 0 0;
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.organ {
  position: relative;
  grid-area: organ;
}
.plate {
  position: relative;
  margin: 0;
  background: #c5c2bb;
  overflow: hidden;
  max-width: 100%;
}
.plate img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
}
.plate-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.55s ease;
}
.ghost-cells { display: none; }
.plate-caption {
  font-family: var(--util);
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--mist);
  margin: 8px 0 0;
}
.age-read {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 10px;
  font-family: var(--util);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mist);
}
.age-read strong {
  font-family: var(--display);
  font-size: 2.4rem;
  font-weight: 500;
  color: #ece6da;
  letter-spacing: -0.03em;
  text-transform: none;
}
.slider {
  width: 100%;
  max-width: 100%;
  margin: 10px 0 8px;
  accent-color: var(--ochre);
  height: 44px;
}
.presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.presets button {
  min-height: 44px;
  min-width: 44px;
  padding: 0 12px;
  border: 1px solid rgba(236, 230, 218, 0.28);
  background: transparent;
  color: #ece6da;
  font-family: var(--util);
  font-size: 0.8rem;
  cursor: pointer;
}
.presets button[aria-pressed="true"] {
  background: var(--ochre);
  border-color: var(--ochre);
  color: var(--night);
}
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  margin-top: 14px;
  font-family: var(--util);
  font-size: 0.75rem;
  color: var(--mist);
}
.organ .hero-note {
  max-width: 34rem;
  margin-top: 18px;
}
.swatch {
  display: inline-block;
  width: 0.7em;
  height: 0.7em;
  margin-right: 0.4em;
  vertical-align: middle;
  border-radius: 50%;
}
.swatch.ochre { background: var(--ochre); }
.swatch.rust { background: var(--rust-bright); }
.phase {
  margin: 12px 0 0;
  font-size: 0.95rem;
  color: #d7d0c3;
  min-height: 3.2em;
}

.jump {
  background: var(--paper-2);
  border-block: 1px solid var(--line);
}
.jump .shell {
  display: flex;
  gap: 8px;
  overflow: auto;
  padding: 14px 0;
}
.jump a {
  flex: 0 0 auto;
  text-decoration: none;
  font-family: var(--util);
  font-size: 0.8rem;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--slide);
}

section { padding: clamp(72px, 10vw, 128px) 0; }
.section-head { max-width: 44rem; margin-bottom: 42px; }
.section-head h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0.2em 0 0.35em;
  max-width: 16ch;
}
.section-head p { margin: 0; font-size: 1.18rem; color: var(--ink-soft); }

.known { background: var(--paper); }
.known-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}
.known-item {
  display: grid;
  grid-template-columns: minmax(13rem, 0.38fr) minmax(0, 1fr);
  gap: 28px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.known-item h3 {
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 500;
  margin: 0 0 10px;
}
.known-item p { margin: 0; color: var(--ink-soft); }

.cells { background: #efe8db; }
.cell-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
}
.portrait {
  background: var(--slide);
  padding: clamp(28px, 4vw, 48px);
  min-height: 280px;
}
.portrait .mark {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin-bottom: 22px;
}
.portrait.old .mark {
  background: radial-gradient(circle at 35% 30%, #e0b56a, var(--ochre) 55%, var(--ochre-deep));
}
.portrait.new .mark {
  background: radial-gradient(circle at 35% 30%, #c45a52, var(--rust) 55%, #5c1c19);
}
.portrait h3 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0 0 12px;
}
.portrait p { margin: 0; color: var(--ink-soft); max-width: 34rem; }
.cells-note {
  margin: 28px 0 0;
  font-family: var(--util);
  font-size: 0.9rem;
  color: var(--ink-soft);
  max-width: 46rem;
}

.readout {
  background: var(--dusk);
  color: #ece6da;
}
.readout .kicker { color: #d4a35a; }
.readout .section-head p { color: #c9c2b6; }
.readout-stage {
  display: grid;
  gap: 28px;
}
.band-block h3 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.4rem;
  margin: 0 0 6px;
}
.band-block p {
  margin: 0 0 14px;
  color: var(--mist);
  font-size: 0.95rem;
}
.band {
  position: relative;
  height: 84px;
  background: #121820;
  border: 1px solid rgba(236, 230, 218, 0.08);
}
.dot {
  position: absolute;
  top: 50%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: left 0.55s ease, background 0.45s ease, opacity 0.45s ease;
}
.band.today .dot { background: #9a7a62; }
.band.origin .dot.is-resident { background: var(--ochre); }
.band.origin .dot.is-incoming { background: var(--rust-bright); }
.quote {
  margin: 36px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid rgba(236, 230, 218, 0.14);
  max-width: 42rem;
}
.quote p {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.35rem;
  line-height: 1.35;
  margin: 0 0 10px;
}
.quote cite {
  font-family: var(--util);
  font-style: normal;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.atlas { background: var(--slide); }
.atlas-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.7fr);
  gap: 40px;
  align-items: start;
}
.donor-grid {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 10px;
}
.donor {
  aspect-ratio: 1;
  background: #2a3344;
  border-radius: 40% 55% 45% 50%;
}
.atlas-aside {
  border-left: 1px solid var(--line);
  padding-left: 28px;
}
.atlas-aside strong {
  display: block;
  font-family: var(--display);
  font-size: 3.4rem;
  line-height: 0.9;
  letter-spacing: -0.04em;
  font-weight: 500;
}
.atlas-aside span {
  display: block;
  font-family: var(--util);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 6px 0 22px;
}
.atlas-aside p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }
.atlas-aside .atlas-method {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--util);
  font-size: 0.84rem;
}

.barrier {
  background: #252b36;
  color: #ece6da;
}
.barrier .section-head p { color: #c9c2b6; }
.membrane {
  margin-top: 8px;
  position: relative;
  height: 180px;
}
.membrane svg { width: 100%; height: 180px; }
.membrane-cap {
  font-family: var(--util);
  font-size: 0.78rem;
  color: var(--mist);
  margin-top: 10px;
}

.distance { background: #e8e2d6; }
.ladder { display: grid; gap: 0; }
.rung {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.rung:last-child { border-bottom: 1px solid var(--line); }
.rung-index {
  font-family: var(--util);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.rung h3 {
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 500;
  margin: 0 0 8px;
}
.rung p { margin: 0; color: var(--ink-soft); }
.rung.is-here {
  background: var(--night);
  color: #ece6da;
  margin-inline: -24px;
  padding-inline: 24px;
  border-color: transparent;
}
.rung.is-here h3 { color: var(--ochre); }
.rung.is-here p { color: #c9c2b6; }
.rung.is-here .rung-index { color: var(--ochre); }
.rung.is-beyond { opacity: 0.72; }

.questions { background: var(--paper); }
.qlist { display: grid; gap: 0; max-width: 48rem; }
.qitem {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.qitem:last-child { border-bottom: 1px solid var(--line); }
.qitem h3 {
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 500;
  margin: 0 0 10px;
}
.qitem p { margin: 0; color: var(--ink-soft); }

.sources { background: var(--slide); }
.governance {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  margin-bottom: 36px;
}
.gov {
  background: #fffdf8;
  padding: 18px 16px;
}
.gov small {
  font-family: var(--util);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rust);
}
.gov strong {
  display: block;
  margin-top: 8px;
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.05rem;
  line-height: 1.25;
}
.gov-note {
  font-size: 0.95rem;
  color: var(--ink-soft);
  max-width: 48rem;
  margin: 0 0 32px;
}
.source-list { display: grid; gap: 0; }
.source {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.source:last-child { border-bottom: 1px solid var(--line); }
.source .num {
  font-family: var(--util);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--rust);
}
.source .kind {
  font-family: var(--util);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.source h3 {
  font-family: var(--display);
  font-size: 1.12rem;
  font-weight: 500;
  margin: 4px 0 6px;
}
.source p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.source a {
  font-family: var(--util);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
  white-space: nowrap;
}

.close {
  background: var(--night);
  color: #ece6da;
  padding: clamp(96px, 16vw, 180px) 0;
  text-align: center;
}
.close .kicker { color: var(--ochre); }
.close h2 {
  font-family: var(--display);
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  max-width: 16ch;
  margin: 12px auto 18px;
}
.close p {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  margin: 0 auto;
  max-width: 22ch;
  color: #d7d0c3;
}

footer {
  background: #0f131a;
  color: #b7b0a4;
  padding: 28px 0 36px;
  font-family: var(--util);
  font-size: 0.86rem;
}
.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
footer a { color: #ece6da; }
.backtop { display: inline-block; margin-top: 8px; }
.backtop-icon { display: none; }

.js .backtop {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 15;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--night);
  color: #ece6da;
  text-decoration: none;
  border: 1px solid rgba(236, 230, 218, 0.28);
  opacity: 0;
  pointer-events: none;
  margin-top: 0;
}
.js .backtop-label { display: none; }
.js .backtop-icon { display: inline; }
.js .backtop.show { opacity: 1; pointer-events: auto; }

.term {
  appearance: none;
  display: inline;
  border: 0;
  border-bottom: 1px dotted currentColor;
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 0;
  cursor: help;
  white-space: normal;
}
#tooltip {
  position: fixed;
  z-index: 60;
  max-width: min(320px, calc(100vw - 24px));
  background: var(--night);
  color: #ece6da;
  padding: 12px 14px;
  font-family: var(--body);
  font-size: 0.92rem;
  line-height: 1.45;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
}
#tooltip.open { opacity: 1; visibility: visible; }

@media (max-width: 900px) {
  :root { --shell: calc(100vw - 32px); }
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "copy" "organ" "support";
  }
  .atlas-layout, .cell-pair { grid-template-columns: minmax(0, 1fr); }
  .known-item { grid-template-columns: minmax(11rem, 0.38fr) minmax(0, 1fr); gap: 22px; }
  .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .governance { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rung { grid-template-columns: 1fr; gap: 8px; }
  .atlas-aside { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 22px; }
  .hero { min-height: auto; padding-top: 104px; }
  .hero h1 { font-size: clamp(2.55rem, 12vw, 3.4rem); max-width: 8.6ch; }
  .topbar .shell { gap: 10px; }
  .lang { padding: 0 10px; }
  .donor-grid { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  :root { --shell: calc(100vw - 24px); }
  body { font-size: 1.05rem; }
  .deck { font-size: 1.02rem; padding-right: 2px; }
  .stats { gap: 10px; }
  .stat dd { font-size: 1.45rem; }
  .known-item { display: block; padding: 22px 0; }
  .known-item h3 { margin-bottom: 8px; }
  .source { grid-template-columns: 36px 1fr; }
  .source a { grid-column: 2; }
  .governance { grid-template-columns: 1fr; }
  .donor-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .section-head h2 { font-size: clamp(2rem, 11vw, 3.2rem); }
  .close h2 { font-size: clamp(2.1rem, 12vw, 3.2rem); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}
@media print {
  .topbar, .jump, .backtop, .presets, .slider { display: none !important; }
  .hero, .readout, .barrier, .close, footer { background: white; color: black; }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}