:root {
  color-scheme: dark;
  --ink: #080a0e;
  --ink-2: #0e1117;
  --paper: #f1eee7;
  --muted: #9da2ab;
  --line: rgba(241, 238, 231, 0.18);
  --line-strong: rgba(241, 238, 231, 0.42);
  --ember: #ff7448;
  --ember-soft: #ffb294;
  --blue: #79b8ff;
  --acid: #d6ff6b;
  --display: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --page: min(92vw, 1480px);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  color: var(--paper);
  background:
    radial-gradient(circle at 82% 8%, rgba(69, 115, 168, 0.15), transparent 32rem),
    radial-gradient(circle at 12% 36%, rgba(255, 116, 72, 0.09), transparent 29rem),
    var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.55;
  overflow-x: hidden;
  transition: background-color 400ms ease, color 400ms ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: 0.18;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

button, a, summary { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 4px;
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  height: 3px;
  z-index: 30;
  background: transparent;
}

.scroll-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--ember), var(--blue));
}

.site-header {
  position: fixed;
  z-index: 15;
  inset: 1.2rem 0 auto;
  width: var(--page);
  margin: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  background: rgba(8, 10, 14, 0.7);
  backdrop-filter: blur(18px);
  border-radius: 999px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  width: fit-content;
  color: var(--paper);
  font: 700 0.76rem/1 var(--mono);
  letter-spacing: 0.12em;
  text-decoration: none;
}

.wordmark-mark {
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border: 1px solid var(--ember);
  color: var(--ember);
  border-radius: 50%;
  font-size: 1.1rem;
}

.site-header nav { display: flex; gap: clamp(1rem, 3vw, 2.6rem); }

.site-header nav a {
  color: var(--muted);
  font-size: 0.82rem;
  text-decoration: none;
  transition: color 180ms ease;
}

.site-header nav a:hover { color: var(--paper); }

.signal-toggle {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border: 0;
  padding: 0;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 0.78rem;
}

.signal-toggle span {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 0 0 rgba(255, 116, 72, 0.6);
  animation: pulse 2.4s infinite;
}

@keyframes pulse {
  55% { box-shadow: 0 0 0 0.55rem rgba(255, 116, 72, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 116, 72, 0); }
}

.hero {
  position: relative;
  min-height: 100svh;
  padding: clamp(8rem, 15vh, 11rem) max(4vw, calc((100vw - 1480px) / 2)) 2.4rem;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(25rem, 0.92fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 8rem);
  isolation: isolate;
}

#signal-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  opacity: 0.75;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 20%;
  z-index: -1;
  background: linear-gradient(transparent, var(--ink));
}

.hero-copy { max-width: 52rem; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.2rem;
  color: var(--muted);
  font: 500 0.74rem/1.2 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow span { color: var(--ember); }

h1, h2, h3, p { overflow-wrap: anywhere; }

h1 {
  max-width: 13ch;
  margin: 0;
  font: 400 clamp(3.25rem, 7.25vw, 8rem)/0.88 var(--display);
  letter-spacing: -0.055em;
}

h1 em { color: var(--ember); font-weight: 400; }

.outline-word {
  color: transparent;
  -webkit-text-stroke: 1px rgba(241, 238, 231, 0.75);
}

.hero-intro {
  max-width: 41rem;
  margin: 2.2rem 0 0;
  color: #c6c7c8;
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  margin-top: 2.5rem;
}

.primary-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 14rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--paper);
  color: var(--ink);
  background: var(--paper);
  cursor: pointer;
  font-weight: 650;
  transition: color 180ms ease, background 180ms ease;
}

.primary-action:hover { color: var(--paper); background: transparent; }
.action-icon { font-size: 1.2rem; }

.text-link {
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.25rem;
}

.hero-system {
  position: relative;
  align-self: stretch;
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 35rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255,255,255,0.04), rgba(255,255,255,0.008));
  backdrop-filter: blur(4px);
  overflow: hidden;
  isolation: isolate;
}

.hero-system::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("./assets/strata.webp") center / cover no-repeat;
  opacity: 0.48;
  filter: saturate(0.9) contrast(1.08);
}

.hero-system::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(8,10,14,.3), rgba(8,10,14,.77) 62%, rgba(8,10,14,.96));
}

.system-label {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font: 0.7rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.orbit {
  position: relative;
  min-height: 29rem;
  display: grid;
  place-items: center;
}

.orbit::before, .orbit::after {
  content: "";
  position: absolute;
  background: var(--line);
}

.orbit::before { width: 1px; height: 82%; }
.orbit::after { width: 82%; height: 1px; }

.orbit-ring {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.orbit-ring-one { width: 48%; aspect-ratio: 1; }
.orbit-ring-two { width: 77%; aspect-ratio: 1; border-style: dashed; animation: rotate 55s linear infinite; }

@keyframes rotate { to { transform: rotate(360deg); } }

.orbit button {
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 220ms ease, background 220ms ease, border-color 220ms ease;
}

.orbit button:hover { transform: scale(1.08); border-color: var(--ember); }

.orbit button span { font-weight: 650; }
.orbit button small { color: var(--muted); font: 0.62rem/1.4 var(--mono); text-transform: uppercase; }

.orbit-core {
  width: 7.6rem;
  height: 7.6rem;
  border: 1px solid var(--ember);
  color: var(--paper);
  background: rgba(255, 116, 72, 0.12);
  box-shadow: 0 0 4rem rgba(255, 116, 72, 0.1);
}

.orbit-node {
  width: 6.2rem;
  height: 6.2rem;
  border: 1px solid var(--line-strong);
  color: var(--paper);
  background: var(--ink-2);
}

.node-security { top: 8%; left: 42%; }
.node-systems { top: 42%; right: 4%; }
.node-ai { bottom: 3%; left: 42%; }
.node-culture { top: 42%; left: 4%; }

.system-readout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.system-readout p { margin: 0; color: #c6c7c8; font-size: 0.83rem; }
.readout-index { color: var(--ember); font: 0.78rem var(--mono); }

.profile-drawer {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 0.55fr 1.2fr 1fr;
  gap: clamp(1.2rem, 3vw, 4rem);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin-top: 0;
  padding: 0;
  border-top: 1px solid transparent;
  transition: max-height 600ms cubic-bezier(.2,.8,.2,1), opacity 350ms ease, margin 500ms ease, padding 500ms ease, border-color 500ms ease;
}

.profile-drawer.is-open {
  max-height: 34rem;
  opacity: 1;
  margin-top: 2rem;
  padding: 2rem 0 1rem;
  border-color: var(--line);
}

.drawer-index { color: var(--ember); font: 0.72rem/1.5 var(--mono); letter-spacing: 0.16em; }
.profile-drawer p { margin: 0; color: #bec0c4; }
.profile-drawer .drawer-lead { margin-bottom: 0.7rem; color: var(--paper); font: 1.65rem/1.15 var(--display); }
.profile-drawer dl { margin: 0; }
.profile-drawer dl div { display: grid; grid-template-columns: 0.55fr 1fr; gap: 1rem; padding: 0.55rem 0; border-bottom: 1px solid var(--line); }
.profile-drawer dt { color: var(--muted); font: 0.7rem var(--mono); text-transform: uppercase; }
.profile-drawer dd { margin: 0; color: var(--paper); font-size: 0.82rem; }

.ticker {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--ember);
  color: var(--ink);
}

.ticker div {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 1.4rem;
  padding: 0.72rem 0;
  animation: ticker 28s linear infinite;
  font: 700 0.78rem var(--mono);
  letter-spacing: 0.12em;
}

.ticker i { font-style: normal; font-size: 1.1rem; }
@keyframes ticker { to { transform: translateX(-50%); } }

.section {
  width: var(--page);
  margin: auto;
  padding: clamp(6rem, 12vw, 11rem) 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(17rem, 0.8fr) minmax(20rem, 1.2fr);
  gap: clamp(2rem, 8vw, 9rem);
  align-items: end;
  margin-bottom: clamp(3rem, 7vw, 6rem);
}

.section-head .eyebrow { grid-column: 1 / -1; margin-bottom: -0.3rem; }

h2 {
  margin: 0;
  font: 400 clamp(2.8rem, 5.8vw, 6.7rem)/0.96 var(--display);
  letter-spacing: -0.045em;
}

.section-head > p:not(.eyebrow) { max-width: 32rem; margin: 0; color: var(--muted); font-size: 1.05rem; }

.topic-layout {
  display: grid;
  grid-template-columns: minmax(20rem, 0.82fr) minmax(26rem, 1.18fr);
  min-height: 39rem;
  border: 1px solid var(--line);
}

.topic-selector { display: flex; flex-direction: column; }

.topic-selector button {
  flex: 1;
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.15rem 1.25rem;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: background 180ms ease, padding-left 180ms ease;
}

.topic-selector button:last-child { border-bottom: 0; }
.topic-selector button:hover { padding-left: 1.55rem; background: rgba(255,255,255,0.035); }
.topic-selector button[aria-selected="true"] { background: var(--paper); color: var(--ink); }
.topic-selector button[aria-selected="true"] small { color: #555a61; }
.topic-number { font: 0.7rem var(--mono); color: var(--ember); }
.topic-selector strong, .topic-selector small { display: block; }
.topic-selector strong { font-size: 1rem; }
.topic-selector small { margin-top: 0.12rem; color: var(--muted); font-size: 0.74rem; }

.topic-panel {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  min-width: 0;
  overflow: hidden;
  background:
    linear-gradient(155deg, rgba(121,184,255,0.14), transparent 42%),
    var(--ink-2);
}

.panel-visual {
  position: relative;
  min-height: 22rem;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.panel-code { position: absolute; top: 1.2rem; left: 1.2rem; color: var(--blue); font: 0.7rem var(--mono); letter-spacing: 0.12em; }
.panel-visual strong { color: transparent; -webkit-text-stroke: 1px rgba(241,238,231,.34); font: 400 clamp(11rem, 21vw, 21rem)/1 var(--display); opacity: 0.7; }

.panel-wave {
  position: absolute;
  width: 125%;
  aspect-ratio: 2.4;
  border: 1px solid var(--ember);
  border-radius: 50%;
  transform: rotate(-15deg);
  box-shadow: 0 0 0 2.8rem rgba(255,116,72,.03), 0 0 0 5.5rem rgba(121,184,255,.025);
}

.panel-copy { position: relative; padding: clamp(1.5rem, 4vw, 3rem); border-top: 1px solid var(--line); background: rgba(8,10,14,0.62); backdrop-filter: blur(16px); }
.panel-kicker { margin: 0 0 0.7rem; color: var(--ember); font: 0.72rem var(--mono); text-transform: uppercase; }
.panel-copy h3 { max-width: 16ch; margin: 0; font: 400 clamp(2rem, 3.5vw, 3.8rem)/1 var(--display); letter-spacing: -0.035em; }
.panel-description { max-width: 40rem; margin: 1.2rem 0 0; color: #b8bbc0; }
.panel-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.panel-tags li { padding: 0.35rem 0.65rem; border: 1px solid var(--line-strong); border-radius: 999px; color: #d3d5d7; font-size: 0.7rem; }
.topic-panel.is-changing .panel-copy, .topic-panel.is-changing .panel-visual { animation: panel-in 360ms ease both; }
@keyframes panel-in { from { opacity: 0; transform: translateY(0.7rem); } }

.trajectory-section { border-top: 1px solid var(--line); }
.split-head { align-items: start; }
.split-head .eyebrow { margin-bottom: 1.4rem; }
.split-head > div { grid-column: 1; }
.split-head > p { grid-column: 2; align-self: end; }

.timeline { border-top: 1px solid var(--line-strong); }

.timeline details { border-bottom: 1px solid var(--line-strong); }

.timeline summary {
  display: grid;
  grid-template-columns: 5rem 1fr 2.5rem;
  gap: 1.2rem;
  align-items: center;
  min-height: 7.4rem;
  cursor: pointer;
  list-style: none;
}

.timeline summary::-webkit-details-marker, .outside-card summary::-webkit-details-marker { display: none; }
.timeline summary strong, .timeline summary small { display: block; }
.timeline summary strong { font: 400 clamp(1.8rem, 3vw, 3rem)/1 var(--display); }
.timeline summary small { margin-top: 0.45rem; color: var(--muted); font-size: 0.78rem; }
.timeline-year { color: var(--ember); font: 0.78rem var(--mono); }

.summary-mark { position: relative; width: 1.8rem; height: 1.8rem; border: 1px solid var(--line-strong); border-radius: 50%; }
.summary-mark::before, .summary-mark::after { content: ""; position: absolute; top: 50%; left: 50%; width: 0.65rem; height: 1px; background: var(--paper); transform: translate(-50%, -50%); }
.summary-mark::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform 180ms ease; }
details[open] .summary-mark::after { transform: translate(-50%, -50%) rotate(0); }

.detail-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 0 3.7rem 2rem 6.2rem;
}

.detail-body p { max-width: 35rem; margin: 0; color: #c0c2c6; }
.detail-body .detail-note { color: var(--ember-soft); font-family: var(--display); font-size: 1.1rem; }

.interlude {
  position: relative;
  min-height: 78vh;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 2rem;
  padding: 6rem 4vw;
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
  text-align: center;
}

.interlude-art { position: absolute; inset: 0; display: grid; align-content: space-around; opacity: 0.07; transform: rotate(-8deg) scale(1.12); }
.interlude-art span { display: block; white-space: nowrap; font: 800 clamp(5rem, 15vw, 16rem)/0.7 var(--sans); letter-spacing: -0.08em; }
.interlude blockquote { position: relative; z-index: 1; max-width: 23ch; margin: 0; font: 400 clamp(2.8rem, 6.6vw, 7.5rem)/0.97 var(--display); letter-spacing: -0.05em; }
.interlude > p { position: relative; z-index: 1; margin: 0; font: 0.75rem var(--mono); letter-spacing: 0.09em; text-transform: uppercase; }

.outside-section { padding-bottom: clamp(7rem, 14vw, 13rem); }

.outside-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.outside-card { min-height: 15rem; border-right: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); background: rgba(255,255,255,0.012); }
.outside-card summary { display: grid; grid-template-columns: 2.5rem 1fr auto; align-items: center; gap: 1rem; padding: 1.5rem; cursor: pointer; list-style: none; }
.outside-card summary span { color: var(--ember); font: 0.72rem var(--mono); }
.outside-card summary strong { font: 400 clamp(1.8rem, 3vw, 3.1rem)/1 var(--display); }
.outside-card summary i { color: var(--muted); font: normal 1.4rem var(--mono); transition: transform 180ms ease; }
.outside-card[open] summary i { transform: rotate(45deg); }
.outside-card > div { padding: 0 1.5rem 1.8rem 5rem; animation: unfold 320ms ease both; }
.outside-card p { max-width: 32rem; margin: 0; color: #c2c4c8; }
.outside-card small { display: block; margin-top: 1rem; color: var(--blue); font: 0.72rem/1.4 var(--mono); }
@keyframes unfold { from { opacity: 0; transform: translateY(-0.7rem); } }

.closing { position: relative; width: var(--page); margin: auto; padding: 8rem 0 4rem; border-top: 1px solid var(--line); }
.closing h2 { max-width: 18ch; }
.closing h2 em { color: var(--ember); font-weight: 400; }
.closing-line { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 5rem; border-block: 1px solid var(--line); }
.closing-line span { padding: 1rem; border-right: 1px solid var(--line); color: var(--muted); font: 0.72rem var(--mono); text-align: center; text-transform: uppercase; }
.closing-line span:last-child { border: 0; }
.privacy-note { max-width: 43rem; margin: 3rem 0 0 auto; border-bottom: 1px solid var(--line); }
.privacy-note summary { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 0; color: var(--muted); cursor: pointer; font-size: 0.84rem; list-style: none; }
.privacy-note p { margin: 0; padding: 0 0 1rem; color: #b9bbc0; font-size: 0.82rem; }

footer {
  width: var(--page);
  margin: auto;
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 0.67rem var(--mono);
  letter-spacing: 0.08em;
}

footer a { text-decoration: none; }

.reveal { opacity: 0; transform: translateY(2.5rem); transition: opacity 700ms ease, transform 700ms cubic-bezier(.2,.8,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

body.alt-signal {
  --ember: #d6ff6b;
  --ember-soft: #e8ffad;
  --blue: #a882ff;
  background:
    radial-gradient(circle at 82% 8%, rgba(168, 130, 255, 0.15), transparent 32rem),
    radial-gradient(circle at 12% 36%, rgba(214, 255, 107, 0.08), transparent 29rem),
    var(--ink);
}

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr; padding-top: 9rem; }
  .hero-copy { padding-top: 4rem; }
  .hero-system { min-height: 42rem; }
  .orbit { min-height: 34rem; }
  .profile-drawer { grid-template-columns: 0.45fr 1fr; }
  .profile-drawer dl { grid-column: 2; }
  .topic-layout { grid-template-columns: 1fr; }
  .topic-selector { display: grid; grid-template-columns: repeat(5, 1fr); overflow-x: auto; }
  .topic-selector button { min-width: 9rem; display: block; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .topic-selector button > span:last-child { display: none; }
  .topic-number { display: block; margin-bottom: 0.75rem; }
}

@media (max-width: 760px) {
  :root { --page: min(92vw, 42rem); }
  .site-header { grid-template-columns: 1fr auto; top: 0.7rem; }
  .site-header nav { display: none; }
  .signal-toggle { font-size: 0; }
  .signal-toggle span { margin: 0.35rem; }
  .hero { min-height: auto; padding: 8.8rem 4vw 2rem; }
  .hero-copy { padding-top: 0; }
  h1 { font-size: clamp(3.2rem, 15vw, 5.6rem); }
  .hero-intro { font-size: 1rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1rem; }
  .hero-system { min-height: 31rem; padding: 0.85rem; }
  .orbit { min-height: 26rem; }
  .orbit-ring-one { width: 53%; }
  .orbit-ring-two { width: 82%; }
  .orbit-core { width: 6.2rem; height: 6.2rem; }
  .orbit-node { width: 5.1rem; height: 5.1rem; font-size: 0.78rem; }
  .orbit button small { font-size: 0.52rem; }
  .node-security, .node-ai { left: 41%; }
  .node-systems { right: 0; }
  .node-culture { left: 0; }
  .profile-drawer, .profile-drawer.is-open { grid-template-columns: 1fr; }
  .profile-drawer dl { grid-column: 1; }
  .section { padding: 6.5rem 0; }
  .section-head { grid-template-columns: 1fr; gap: 1.2rem; }
  .section-head .eyebrow { grid-column: 1; }
  h2 { font-size: clamp(2.8rem, 13vw, 5rem); }
  .topic-selector { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 9.6rem; }
  .panel-visual { min-height: 17rem; }
  .panel-copy h3 { font-size: 2.3rem; }
  .split-head > div, .split-head > p { grid-column: 1; }
  .timeline summary { grid-template-columns: 2.4rem 1fr 2.2rem; min-height: 6.6rem; }
  .timeline summary strong { font-size: 1.85rem; }
  .detail-body { grid-template-columns: 1fr; padding: 0 0 1.8rem 3.6rem; }
  .interlude { min-height: 70svh; padding-inline: 5vw; }
  .interlude blockquote { font-size: clamp(2.7rem, 12vw, 4.5rem); }
  .outside-grid { grid-template-columns: 1fr; }
  .outside-card { min-height: 0; }
  .outside-card > div { padding-left: 1.5rem; }
  .closing { padding-top: 6rem; }
  .closing-line { grid-template-columns: repeat(2, 1fr); }
  .closing-line span:nth-child(2) { border-right: 0; }
  .closing-line span:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  footer { gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}