/* Talvory — night archive */
:root {
  --night: #071f22;
  --night-2: #0b2a2e;
  --night-3: #11393d;
  --teal: #1d8a88;
  --teal-2: #7cc3bb;
  --cream: #f4e9d6;
  --cream-dim: rgba(244, 233, 214, 0.7);
  --cream-faint: rgba(244, 233, 214, 0.45);
  --paper: #f3ede2;
  --paper-2: #e9e1d2;
  --paper-3: #ded4c2;
  --ink: #13292b;
  --ink-dim: #4b5f60;
  --coral: #dc7a50;
  --coral-deep: #b95c36;
  --line-d: rgba(244, 233, 214, 0.12);
  --line-l: rgba(19, 41, 43, 0.14);

  --f-display: "Fraunces", "Times New Roman", serif;
  --f-body: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "Geist Mono", ui-monospace, "SFMono-Regular", monospace;

  --wrap: 1240px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --sec-y: clamp(4.5rem, 9vw, 8rem);
  --hdr-h: 72px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--hdr-h) + 16px);
}

body {
  margin: 0;
  background: var(--night);
  color: var(--cream);
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 90;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--f-display);
  font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 30;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0;
}

p {
  margin: 0;
}

em {
  font-style: italic;
  color: var(--coral);
}

.mono {
  font-family: var(--f-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 200;
  background: var(--coral);
  color: var(--night);
  padding: 0.5rem 1rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.5rem;
  border-radius: 999px;
  font-family: var(--f-body);
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.4s var(--ease), background-color 0.3s, color 0.3s, border-color 0.3s;
}
.btn:active {
  transform: translateY(1px) scale(0.98);
}
.btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.4s var(--ease);
}
.btn:hover svg {
  transform: translateX(3px);
}
.btn-coral {
  background: var(--coral);
  color: var(--night);
}
.btn-coral:hover {
  background: #e98d64;
}
.btn-line {
  border-color: var(--line-d);
  color: var(--cream);
}
.btn-line:hover {
  border-color: var(--cream-faint);
  background: rgba(244, 233, 214, 0.05);
}
.sec--paper .btn-line {
  border-color: var(--line-l);
  color: var(--ink);
}
.btn-sm {
  padding: 0.65rem 1.1rem;
  font-size: 0.85rem;
}

/* ---------- Header ---------- */
.hdr {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--hdr-h);
  transition: border-color 0.4s;
  border-bottom: 1px solid transparent;
}
/* Blur lives on a pseudo-element: backdrop-filter on .hdr itself would
   become the containing block of the fixed mobile nav and clip it. */
.hdr::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(7, 31, 34, 0.82);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
  opacity: 0;
  transition: opacity 0.4s;
}
.hdr.is-scrolled {
  border-bottom-color: var(--line-d);
}
.hdr.is-scrolled::before {
  opacity: 1;
}
.hdr-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
}
.brand img {
  width: 34px;
  height: 34px;
}
.brand span {
  font-family: var(--f-display);
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}
.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}
.nav a {
  position: relative;
  padding: 0.5rem 0.75rem;
  font-size: 0.88rem;
  color: var(--cream-dim);
  transition: color 0.25s;
}
.nav a:hover {
  color: var(--cream);
}
.nav a.is-active {
  color: var(--cream);
}
.nav a.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.1rem;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  border-radius: 50%;
  background: var(--coral);
}
.nav-num {
  display: none;
}
.hdr-tools {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.lang {
  position: relative;
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  padding: 3px;
  border: 1px solid var(--line-d);
  border-radius: 999px;
}
.lang::before {
  content: "";
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: calc(50% - 3px);
  border-radius: 999px;
  background: var(--cream);
  transition: transform 0.45s var(--ease);
}
.lang[data-active="id"]::before {
  transform: translateX(100%);
}
.lang button {
  position: relative;
  z-index: 1;
  border: 0;
  background: none;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 0.38rem 0.7rem;
  color: var(--cream-dim);
  cursor: pointer;
  transition: color 0.3s;
}
.lang button.is-on {
  color: var(--night);
}
.burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-d);
  border-radius: 50%;
  background: none;
  cursor: pointer;
  position: relative;
}
.burger span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 1.5px;
  background: var(--cream);
  transition: transform 0.4s var(--ease), top 0.4s var(--ease);
}
.burger span:first-child {
  top: 16px;
}
.burger span:last-child {
  top: 24px;
}
.burger[aria-expanded="true"] span:first-child {
  top: 20px;
  transform: rotate(45deg);
}
.burger[aria-expanded="true"] span:last-child {
  top: 20px;
  transform: rotate(-45deg);
}

/* ---------- Sections ---------- */
.sec {
  position: relative;
  padding-block: var(--sec-y);
}
.sec--paper {
  background: var(--paper);
  color: var(--ink);
}
.sec--paper em {
  color: var(--coral-deep);
}
.sec--deep {
  background: var(--night-2);
}
.sec--tight {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
  max-width: 820px;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.sec-head .tag {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--coral);
}
.sec--paper .sec-head .tag {
  color: var(--coral-deep);
}
.sec-head .tag::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}
.sec-head h2 {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
}
.sec-head .lede {
  font-size: 1.08rem;
  color: var(--cream-dim);
  max-width: 62ch;
}
.sec--paper .sec-head .lede,
.sec--paper .muted {
  color: var(--ink-dim);
}
.muted {
  color: var(--cream-dim);
}

/* ---------- Home hero ---------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-top: calc(var(--hdr-h) + clamp(2rem, 6vh, 4rem));
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 70% at 78% 40%, rgba(29, 138, 136, 0.28), transparent 70%),
    radial-gradient(40% 50% at 10% 100%, rgba(220, 122, 80, 0.1), transparent 70%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(var(--line-d) 1px, transparent 1px);
  background-size: 100% 88px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
  opacity: 0.5;
}
.hero-grid {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.hero-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1.75rem;
  color: var(--teal-2);
}
.hero-kicker .pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid rgba(124, 195, 187, 0.35);
  border-radius: 999px;
}
.hero-kicker .pill i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
  animation: blink 2.4s ease-in-out infinite;
}
@keyframes blink {
  50% {
    opacity: 0.25;
  }
}
.hero h1 {
  font-size: clamp(2.7rem, 6.2vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.hero-lead {
  margin-top: 1.75rem;
  font-size: clamp(1.02rem, 1.3vw, 1.15rem);
  color: var(--cream-dim);
  max-width: 50ch;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

.orbit {
  position: relative;
  width: 100%;
  max-width: 540px;
  aspect-ratio: 1;
  margin-inline: auto;
}
.orbit svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}
.orbit .ring {
  fill: none;
  stroke: rgba(244, 233, 214, 0.16);
}
.orbit .ring--dash {
  stroke-dasharray: 2 7;
}
.orbit .spin {
  transform-origin: 50% 50%;
  transform-box: view-box;
  animation: spin 60s linear infinite;
}
.orbit .spin--r {
  animation-duration: 90s;
  animation-direction: reverse;
}
.orbit .spin--f {
  animation-duration: 40s;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.orbit .node {
  fill: var(--night);
  stroke: var(--teal-2);
  stroke-width: 1.2;
}
.orbit .node--c {
  stroke: var(--coral);
  fill: var(--coral);
}
.orbit-core {
  position: absolute;
  inset: 37%;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 35% 30%, #13484c, var(--night-2) 70%);
  box-shadow: inset 0 1px 0 rgba(244, 233, 214, 0.18), 0 30px 60px -30px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(244, 233, 214, 0.14);
}
.orbit-core img {
  width: 54%;
}
.orbit-label {
  position: absolute;
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream-dim);
  white-space: nowrap;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  background: rgba(7, 31, 34, 0.75);
  border: 1px solid var(--line-d);
}
.orbit-label b {
  color: var(--coral);
  font-weight: 500;
  margin-right: 0.35rem;
}
.orbit-label.l1 {
  top: 3%;
  left: 50%;
  transform: translateX(-50%);
}
.orbit-label.l2 {
  top: 50%;
  right: -2%;
  transform: translateY(-50%);
}
.orbit-label.l3 {
  bottom: 14%;
  left: 2%;
}
.orbit-label.l4 {
  bottom: 31%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--coral);
  color: var(--night);
  border-color: transparent;
}

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(2.5rem, 6vh, 4rem);
  border-top: 1px solid var(--line-d);
}
.fact {
  padding: 1.5rem 1.5rem 2rem 0;
}
.fact + .fact {
  padding-left: 1.5rem;
  border-left: 1px solid var(--line-d);
}
.fact strong {
  display: block;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.fact span {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--cream-faint);
}

/* ---------- Ticker ---------- */
.ticker {
  background: var(--paper);
  color: var(--ink);
  overflow: hidden;
  border-block: 1px solid var(--paper-3);
}
.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 48s linear infinite;
}
.ticker-track span {
  display: inline-flex;
  align-items: center;
  gap: 2.25rem;
  padding: 1.15rem 1.125rem;
  font-family: var(--f-display);
  font-style: italic;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  white-space: nowrap;
}
.ticker-track span::after {
  content: "";
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  background: var(--coral);
}
@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- Abstract / split ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.split--even {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}
.split--rev {
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
}
.big-quote {
  font-family: var(--f-display);
  font-size: clamp(1.7rem, 3.2vw, 2.7rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
}
.prose {
  display: grid;
  gap: 1.1rem;
  font-size: 1.04rem;
}
.prose p {
  color: var(--cream-dim);
}
.sec--paper .prose p {
  color: var(--ink-dim);
}
.prose strong {
  color: var(--cream);
  font-weight: 500;
}
.sec--paper .prose strong {
  color: var(--ink);
}
.sticky {
  position: sticky;
  top: calc(var(--hdr-h) + 2rem);
}

/* ---------- Stat callout ---------- */
.callout {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--line-d);
  border-radius: 20px;
  background: linear-gradient(140deg, rgba(29, 138, 136, 0.14), transparent 60%);
}
.callout strong {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  line-height: 1;
  color: var(--coral);
  letter-spacing: -0.03em;
}
.callout p {
  color: var(--cream-dim);
}

/* ---------- Stack rows (layers) ---------- */
.stack {
  border-top: 1px solid var(--line-l);
}
.stack-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1.1fr) minmax(0, 1.4fr) 44px;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line-l);
  transition: background-color 0.4s;
}
.stack-row:hover {
  background: rgba(19, 41, 43, 0.03);
}
.stack-row .numeral {
  font-family: var(--f-display);
  font-size: 3.4rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--ink);
}
.stack-row h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
}
.stack-row .meter {
  display: block;
  margin-top: 0.4rem;
  color: var(--coral-deep);
}
.stack-row p {
  color: var(--ink-dim);
}
.stack-row .go {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line-l);
  display: grid;
  place-items: center;
  transition: background-color 0.3s, transform 0.4s var(--ease), border-color 0.3s;
}
.stack-row .go svg {
  width: 16px;
  height: 16px;
}
.stack-row:hover .go {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  transform: rotate(-45deg);
}
.stack-row--asset {
  background: var(--ink);
  color: var(--paper);
  border-radius: 18px;
  padding-inline: 1.75rem;
  margin-top: 1.5rem;
  border-bottom: 0;
}
.stack-row--asset:hover {
  background: var(--ink);
}
.stack-row--asset .numeral {
  -webkit-text-stroke: 0;
  color: var(--coral);
  font-size: 1.7rem;
  letter-spacing: 0.02em;
}
.stack-row--asset p {
  color: rgba(243, 237, 226, 0.72);
}
.stack-row--asset .meter {
  color: var(--coral);
}
.stack-row--asset .go {
  border-color: rgba(243, 237, 226, 0.25);
}
.stack-row--asset:hover .go {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--ink);
}

/* ---------- Refusals ---------- */
.refuse {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-d);
}
.refuse-item {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line-d);
}
.refuse-item h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
}
.refuse-item h3 s {
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
  color: var(--cream-faint);
}
.refuse-item p {
  color: var(--cream-dim);
}

/* ---------- Bento ---------- */
.bento {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 1.25rem;
}
.tile {
  position: relative;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border-radius: 22px;
  background: #fbf7f0;
  color: var(--ink);
  border: 1px solid var(--paper-3);
  box-shadow: 0 24px 40px -32px rgba(19, 41, 43, 0.35);
  overflow: hidden;
}
.tile--lead {
  grid-row: span 2;
  background: var(--ink);
  color: var(--paper);
  border-color: transparent;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 420px;
}
.sec:not(.sec--paper) .tile--lead {
  background: linear-gradient(160deg, rgba(220, 122, 80, 0.2), rgba(29, 138, 136, 0.1) 70%), var(--night-2);
  border: 1px solid var(--line-d);
}
.tile .mono {
  color: var(--coral-deep);
}
.tile--lead .mono {
  color: var(--coral);
}
.tile h3 {
  margin-top: 1rem;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
}
.tile p {
  margin-top: 0.9rem;
  color: var(--ink-dim);
}
.tile--lead p {
  color: rgba(243, 237, 226, 0.72);
}
.tile--lead .glyph {
  position: absolute;
  right: -40px;
  top: -40px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(243, 237, 226, 0.1);
  box-shadow: 0 0 0 40px rgba(243, 237, 226, 0.03), 0 0 0 80px rgba(243, 237, 226, 0.02);
}

/* ---------- Flywheel ---------- */
.wheel-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.wheel {
  position: relative;
  aspect-ratio: 1;
  max-width: 500px;
  width: 100%;
  margin-inline: auto;
}
.wheel::before {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  border: 1px dashed rgba(244, 233, 214, 0.22);
  animation: spin 80s linear infinite;
}
.wheel-center {
  position: absolute;
  inset: 32%;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  background: var(--night-3);
  border: 1px solid var(--line-d);
  font-family: var(--f-display);
  font-style: italic;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.25;
}
.wheel-step {
  position: absolute;
  width: 34%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.wheel-step b {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin: 0 auto 0.5rem;
  border-radius: 50%;
  background: var(--coral);
  color: var(--night);
  font-family: var(--f-mono);
  font-size: 0.75rem;
  font-weight: 500;
}
.wheel-step span {
  display: block;
  font-size: 0.84rem;
  line-height: 1.35;
  color: var(--cream-dim);
}
.ws1 { left: 50%; top: 9%; }
.ws2 { left: 89%; top: 37%; }
.ws3 { left: 75%; top: 84%; }
.ws4 { left: 25%; top: 84%; }
.ws5 { left: 11%; top: 37%; }

.breaks {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}
.break {
  padding: 1.25rem 1.5rem;
  border-left: 2px solid var(--coral);
  background: rgba(244, 233, 214, 0.04);
  border-radius: 0 14px 14px 0;
}
.break h4 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}
.break p {
  font-size: 0.94rem;
  color: var(--cream-dim);
}

/* ---------- Contents index ---------- */
.contents {
  border-top: 1px solid var(--line-l);
}
.contents a {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) minmax(0, 1.2fr) 30px;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line-l);
  transition: padding 0.5s var(--ease), color 0.3s;
}
.contents a:hover {
  padding-left: 1rem;
}
.contents .ch {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--coral-deep);
  letter-spacing: 0.1em;
}
.contents h3 {
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}
.contents p {
  color: var(--ink-dim);
  font-size: 0.95rem;
}
.contents .arr {
  justify-self: end;
  transition: transform 0.4s var(--ease);
}
.contents a:hover .arr {
  transform: translateX(4px);
}

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  padding: clamp(2.5rem, 6vw, 5rem);
  background: linear-gradient(135deg, var(--night-3), var(--night-2));
  border: 1px solid var(--line-d);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) auto;
  gap: 2rem;
  align-items: end;
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -220px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  border: 1px solid rgba(220, 122, 80, 0.3);
  box-shadow: 0 0 0 60px rgba(220, 122, 80, 0.05), 0 0 0 120px rgba(220, 122, 80, 0.03);
  pointer-events: none;
}
.cta-band h2 {
  font-size: clamp(2rem, 4.4vw, 3.6rem);
}
.cta-band p {
  margin-top: 1rem;
  color: var(--cream-dim);
  max-width: 54ch;
}
.cta-band .btn {
  position: relative;
  z-index: 1;
}

/* ---------- Inner page hero ---------- */
.phero {
  position: relative;
  padding-top: calc(var(--hdr-h) + clamp(3rem, 8vw, 6rem));
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line-d);
}
.phero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(50% 80% at 90% 0%, rgba(29, 138, 136, 0.25), transparent 70%);
}
.phero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
}
.phero .chap {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
  color: var(--teal-2);
}
.phero .chap-num {
  font-family: var(--f-display);
  font-size: clamp(4rem, 10vw, 8rem);
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1px rgba(244, 233, 214, 0.4);
}
.phero h1 {
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);
  letter-spacing: -0.03em;
}
.phero .lead {
  margin-top: 1.5rem;
  font-size: 1.1rem;
  color: var(--cream-dim);
  max-width: 58ch;
}
.toc {
  border-left: 1px solid var(--line-d);
  padding-left: 1.5rem;
}
.toc .mono {
  color: var(--cream-faint);
  display: block;
  margin-bottom: 0.9rem;
}
.toc a {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.45rem 0;
  font-size: 0.93rem;
  color: var(--cream-dim);
  transition: color 0.25s, transform 0.4s var(--ease);
}
.toc a:hover {
  color: var(--cream);
  transform: translateX(4px);
}
.toc a b {
  font-family: var(--f-mono);
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--coral);
  padding-top: 0.15rem;
}

/* ---------- Plate (figure) ---------- */
.plate {
  margin: 0;
}
.plate-frame {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--paper-3);
  border-radius: 16px;
  overflow: hidden;
  background: #f5f1e9;
  cursor: zoom-in;
  box-shadow: 0 30px 60px -40px rgba(7, 31, 34, 0.55);
}
.plate-frame img {
  width: 100%;
  transition: transform 0.9s var(--ease);
}
.plate-frame:hover img {
  transform: scale(1.015);
}
.plate-frame .zoom {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s, transform 0.4s var(--ease);
}
.plate-frame .zoom svg {
  width: 16px;
  height: 16px;
}
.plate-frame:hover .zoom,
.plate-frame:focus-visible .zoom {
  opacity: 1;
  transform: none;
}
.plate figcaption {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  margin-top: 0.9rem;
  font-size: 0.9rem;
  color: var(--cream-dim);
}
.sec--paper .plate figcaption {
  color: var(--ink-dim);
}
.plate figcaption .mono {
  color: var(--coral);
  flex-shrink: 0;
}
.sec--paper .plate figcaption .mono {
  color: var(--coral-deep);
}
.plate--wide {
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

/* ---------- Ledger rows ---------- */
.ledger {
  border-top: 1px solid var(--line-d);
}
.sec--paper .ledger {
  border-top-color: var(--line-l);
}
.ledger-row {
  display: grid;
  grid-template-columns: 70px minmax(0, 0.8fr) minmax(0, 1.4fr);
  gap: 1.75rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line-d);
}
.sec--paper .ledger-row {
  border-bottom-color: var(--line-l);
}
.ledger-row .idx {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--coral);
  padding-top: 0.35rem;
}
.sec--paper .ledger-row .idx {
  color: var(--coral-deep);
}
.ledger-row h3 {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
}
.ledger-row p {
  color: var(--cream-dim);
}
.sec--paper .ledger-row p {
  color: var(--ink-dim);
}
.split .ledger-row {
  grid-template-columns: 48px minmax(0, 1fr);
  row-gap: 0.5rem;
}
.split .ledger-row p {
  grid-column: 2;
}

/* ---------- Falsification test ---------- */
.test {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
  margin-top: 2rem;
  padding: 1.4rem 1.6rem;
  border-radius: 16px;
  border: 1px dashed rgba(220, 122, 80, 0.55);
  background: rgba(220, 122, 80, 0.06);
}
.test .mono {
  color: var(--coral);
  padding-top: 0.2rem;
  white-space: nowrap;
}
.sec--paper .test .mono {
  color: var(--coral-deep);
}
.test p {
  font-size: 0.96rem;
  color: var(--cream-dim);
}
.sec--paper .test p {
  color: var(--ink-dim);
}

/* ---------- Pull quote ---------- */
.pull {
  margin: clamp(2.5rem, 5vw, 4rem) 0 0;
  padding-left: clamp(1.25rem, 3vw, 2.5rem);
  border-left: 2px solid var(--coral);
  font-family: var(--f-display);
  font-style: italic;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  max-width: 28ch;
}

/* ---------- Table ---------- */
.tbl-wrap {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--line-d);
  -webkit-overflow-scrolling: touch;
}
.sec--paper .tbl-wrap {
  border-color: var(--line-l);
  background: #fbf7f0;
}
.tbl {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.94rem;
}
.tbl th,
.tbl td {
  text-align: left;
  vertical-align: top;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line-d);
}
.sec--paper .tbl th,
.sec--paper .tbl td {
  border-bottom-color: var(--line-l);
}
.tbl thead th {
  font-family: var(--f-mono);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral);
  background: rgba(244, 233, 214, 0.03);
}
.sec--paper .tbl thead th {
  color: var(--coral-deep);
  background: var(--paper-2);
}
.tbl tbody tr:last-child td {
  border-bottom: 0;
}
.tbl td:first-child {
  font-weight: 500;
}
.tbl td {
  color: var(--cream-dim);
}
.tbl td:first-child {
  color: var(--cream);
}
.sec--paper .tbl td {
  color: var(--ink-dim);
}
.sec--paper .tbl td:first-child {
  color: var(--ink);
}
.tag-chip {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  background: rgba(29, 138, 136, 0.16);
  color: var(--teal-2);
}
.sec--paper .tag-chip {
  background: rgba(29, 138, 136, 0.12);
  color: #146563;
}
.tag-chip--c {
  background: rgba(220, 122, 80, 0.16);
  color: var(--coral);
}
.sec--paper .tag-chip--c {
  color: var(--coral-deep);
}

/* ---------- Grid helpers ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2rem);
}
.card {
  padding: clamp(1.5rem, 3vw, 2.1rem);
  border-radius: 20px;
  border: 1px solid var(--line-d);
  background: rgba(244, 233, 214, 0.03);
}
.sec--paper .card {
  border-color: var(--paper-3);
  background: #fbf7f0;
}
.card .mono {
  color: var(--coral);
}
.sec--paper .card .mono {
  color: var(--coral-deep);
}
.card h3 {
  margin-top: 0.8rem;
  font-size: clamp(1.3rem, 2vw, 1.65rem);
}
.card p {
  margin-top: 0.75rem;
  color: var(--cream-dim);
  font-size: 0.97rem;
}
.sec--paper .card p {
  color: var(--ink-dim);
}
.card ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}
.card li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.94rem;
  color: var(--cream-dim);
}
.sec--paper .card li {
  color: var(--ink-dim);
}
.card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 1px;
  background: var(--coral);
}

/* ---------- Pipeline steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(var(--n, 4), minmax(0, 1fr));
  row-gap: 2.75rem;
  counter-reset: s;
}
.step {
  position: relative;
  padding: 1.75rem 1.25rem 0 0;
  border-top: 1px solid var(--line-d);
}
.sec--paper .step {
  border-top-color: var(--line-l);
}
.step::before {
  counter-increment: s;
  content: counter(s, decimal-leading-zero);
  position: absolute;
  top: -0.7rem;
  left: 0;
  padding-right: 0.6rem;
  font-family: var(--f-mono);
  font-size: 0.74rem;
  color: var(--coral);
  background: var(--night);
}
.sec--deep .step::before {
  background: var(--night-2);
}
.sec--paper .step::before {
  background: var(--paper);
  color: var(--coral-deep);
}
.step h4 {
  font-size: 1.2rem;
}
.step p {
  margin-top: 0.55rem;
  font-size: 0.92rem;
  color: var(--cream-dim);
}
.sec--paper .step p {
  color: var(--ink-dim);
}

/* ---------- Donut (allocation) ---------- */
.alloc {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.donut {
  position: relative;
  aspect-ratio: 1;
  max-width: 440px;
  width: 100%;
  margin-inline: auto;
  border-radius: 50%;
  background: conic-gradient(
    #dc7a50 0 28%,
    #e9a27f 28% 42%,
    #1d8a88 42% 54%,
    #13292b 54% 68%,
    #5f8f8c 68% 78%,
    #b9c9c3 78% 86%,
    #c98e6b 86% 92%,
    #f0c9a8 92% 96%,
    #8aa7a2 96% 98%,
    #4b5f60 98% 100%
  );
}
.donut::after {
  content: "";
  position: absolute;
  inset: 22%;
  border-radius: 50%;
  background: var(--paper);
}
.donut-c {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-content: center;
  text-align: center;
}
.donut-c strong {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  letter-spacing: -0.03em;
  line-height: 1;
}
.donut-c span {
  margin-top: 0.4rem;
  color: var(--ink-dim);
}
.legend {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-l);
}
.legend-row {
  display: grid;
  grid-template-columns: 14px 56px minmax(0, 1fr);
  gap: 1rem;
  align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line-l);
}
.legend-row i {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  transform: translateY(1px);
}
.legend-row b {
  font-family: var(--f-mono);
  font-weight: 500;
  font-size: 0.9rem;
}
.legend-row div strong {
  display: block;
  font-weight: 500;
  font-size: 0.97rem;
}
.legend-row div span {
  display: block;
  font-size: 0.86rem;
  color: var(--ink-dim);
}

/* ---------- Waterfall ---------- */
.fall {
  display: grid;
  gap: 0.6rem;
}
.fall-row {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
}
.fall-row .n {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--coral);
}
.fall-bar {
  position: relative;
  padding: 1rem 1.25rem;
  border-radius: 12px;
  background: rgba(244, 233, 214, 0.05);
  border: 1px solid var(--line-d);
  margin-left: calc(var(--o, 0) * 1%);
}
.fall-bar strong {
  display: block;
  font-weight: 500;
}
.fall-bar span {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.88rem;
  color: var(--cream-dim);
}
.fall-bar--hi {
  background: rgba(220, 122, 80, 0.14);
  border-color: rgba(220, 122, 80, 0.4);
}

/* ---------- Phases ---------- */
.phases {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.phase {
  display: flex;
  flex-direction: column;
  padding: 1.75rem 1.5rem;
  border-radius: 20px;
  border: 1px solid var(--line-d);
  background: rgba(244, 233, 214, 0.03);
  transition: transform 0.5s var(--ease), border-color 0.3s;
}
.phase:hover {
  transform: translateY(-4px);
  border-color: rgba(220, 122, 80, 0.45);
}
.phase .num {
  font-family: var(--f-display);
  font-size: 2.6rem;
  line-height: 1;
  color: var(--coral);
}
.phase h3 {
  margin-top: 0.6rem;
  font-size: 1.45rem;
}
.phase ul {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
  flex: 1;
}
.phase li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--cream-dim);
  line-height: 1.55;
}
.phase li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  border: 1px solid var(--teal-2);
}
.phase .miss {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-d);
  font-size: 0.85rem;
  color: var(--cream-faint);
}
.phase .miss b {
  color: var(--coral);
  font-weight: 500;
}

.outcomes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line-d);
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.outcome {
  padding: 1.5rem 1.6rem;
}
.outcome + .outcome {
  border-left: 1px solid var(--line-d);
}
.outcome h4 {
  font-size: 1.35rem;
}
.outcome h4 em {
  font-style: normal;
}
.outcome p {
  margin-top: 0.45rem;
  font-size: 0.92rem;
  color: var(--cream-dim);
}

/* ---------- Chambers ---------- */
.chambers {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
}
.chamber {
  padding: 1.9rem 1.7rem;
  border-radius: 22px;
  border: 1px solid var(--paper-3);
  background: #fbf7f0;
}
.chamber:first-child {
  background: var(--ink);
  color: var(--paper);
  border-color: transparent;
}
.chamber .mono {
  color: var(--coral-deep);
}
.chamber:first-child .mono {
  color: var(--coral);
}
.chamber h3 {
  margin-top: 0.75rem;
  font-size: 1.6rem;
}
.chamber .who {
  margin-top: 0.6rem;
  font-size: 0.92rem;
  color: var(--ink-dim);
}
.chamber:first-child .who,
.chamber:first-child li {
  color: rgba(243, 237, 226, 0.72);
}
.chamber ul {
  margin: 1.2rem 0 0;
  padding: 1.2rem 0 0;
  border-top: 1px solid var(--line-l);
  list-style: none;
  display: grid;
  gap: 0.5rem;
}
.chamber:first-child ul {
  border-top-color: rgba(243, 237, 226, 0.14);
}
.chamber li {
  font-size: 0.92rem;
  color: var(--ink-dim);
  padding-left: 1.1rem;
  position: relative;
}
.chamber li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 1px;
  background: var(--coral);
}

.column-lock {
  margin-top: 1.25rem;
  padding: clamp(1.75rem, 4vw, 2.75rem);
  border-radius: 22px;
  background: repeating-linear-gradient(-45deg, rgba(19, 41, 43, 0.035) 0 10px, transparent 10px 20px), #fbf7f0;
  border: 1px solid var(--paper-3);
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 2rem;
}
.column-lock h3 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
}
.column-lock ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: c;
  display: grid;
  gap: 0.75rem;
}
.column-lock li {
  counter-increment: c;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 0.5rem;
  color: var(--ink);
}
.column-lock li::before {
  content: counter(c, decimal-leading-zero);
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--coral-deep);
  padding-top: 0.2rem;
}

/* ---------- Data boundary ---------- */
.boundary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line-d);
}
.boundary > div {
  padding: clamp(1.75rem, 3.5vw, 2.5rem);
}
.boundary > div + div {
  border-left: 1px dashed rgba(220, 122, 80, 0.5);
  background: rgba(220, 122, 80, 0.05);
}
.boundary h3 {
  font-size: 1.6rem;
  margin-top: 0.6rem;
}
.boundary .mono {
  color: var(--teal-2);
}
.boundary > div + div .mono {
  color: var(--coral);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
.chips span {
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  font-size: 0.86rem;
  border: 1px solid var(--line-d);
  color: var(--cream-dim);
}
.boundary > div + div .chips span {
  border-style: dashed;
  border-color: rgba(220, 122, 80, 0.45);
}

/* ---------- Working groups ---------- */
.wg {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.wg-card {
  position: relative;
  padding: 2rem 1.9rem;
  border-radius: 22px;
  border: 1px solid var(--line-d);
  background: linear-gradient(160deg, rgba(29, 138, 136, 0.12), transparent 55%);
  overflow: hidden;
}
.wg-card .code {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--coral);
}
.wg-card h3 {
  margin-top: 0.7rem;
  font-size: clamp(1.35rem, 2vw, 1.7rem);
}
.wg-card p {
  margin-top: 0.75rem;
  color: var(--cream-dim);
  font-size: 0.96rem;
}
.wg-card .seal {
  position: absolute;
  right: 1.5rem;
  top: 1.5rem;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px dashed rgba(244, 233, 214, 0.25);
  display: grid;
  place-items: center;
  font-family: var(--f-display);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--cream-faint);
}

/* ---------- Pager ---------- */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
.pager a {
  display: block;
  padding: 1.6rem 1.75rem;
  border-radius: 20px;
  border: 1px solid var(--line-d);
  transition: border-color 0.3s, background-color 0.3s;
}
.pager a:hover {
  border-color: rgba(220, 122, 80, 0.5);
  background: rgba(244, 233, 214, 0.03);
}
.pager .mono {
  color: var(--cream-faint);
}
.pager strong {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
}
.pager .next {
  text-align: right;
  grid-column: 2;
}

/* ---------- Footer ---------- */
.ftr {
  border-top: 1px solid var(--line-d);
  padding-top: clamp(3.5rem, 7vw, 5.5rem);
  padding-bottom: 2rem;
  background: var(--night);
}
.ftr-top {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 2.5rem;
}
.ftr-brand p {
  margin-top: 1.25rem;
  color: var(--cream-dim);
  max-width: 40ch;
  font-size: 0.95rem;
}
.ftr h4 {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-faint);
  margin-bottom: 1rem;
}
.ftr nav {
  display: grid;
  gap: 0.55rem;
}
.ftr nav a {
  color: var(--cream-dim);
  font-size: 0.95rem;
  transition: color 0.25s;
}
.ftr nav a:hover {
  color: var(--coral);
}
.ftr-word {
  margin-top: clamp(3rem, 7vw, 5rem);
  font-family: var(--f-display);
  font-size: clamp(4.5rem, 19vw, 17rem);
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(244, 233, 214, 0.14);
  user-select: none;
  white-space: nowrap;
}
.ftr-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-d);
  font-size: 0.82rem;
  color: var(--cream-faint);
}
.ftr-bottom p {
  max-width: 80ch;
}

/* ---------- Lightbox ---------- */
.lb {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(5, 22, 24, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
}
.lb.is-open {
  opacity: 1;
  visibility: visible;
}
.lb img {
  max-height: 88vh;
  width: auto;
  border-radius: 12px;
  transform: scale(0.96);
  transition: transform 0.5s var(--ease);
}
.lb.is-open img {
  transform: none;
}
.lb button {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line-d);
  background: var(--night-2);
  color: var(--cream);
  font-size: 1.4rem;
  cursor: pointer;
}

/* ---------- Reveal ---------- */
.rv {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: calc(var(--i, 0) * 90ms);
}
.rv.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .rv {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .nav a {
    padding-inline: 0.55rem;
    font-size: 0.84rem;
  }
}

@media (max-width: 1060px) {
  .burger {
    display: block;
  }
  .hdr-tools .btn {
    display: none;
  }
  .nav {
    position: fixed;
    inset: 0;
    z-index: -1;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    margin: 0;
    padding: calc(var(--hdr-h) + 1.5rem) var(--gutter) 2rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--night);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.4s, visibility 0.4s, transform 0.5s var(--ease);
  }
  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav a {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line-d);
    font-family: var(--f-display);
    font-size: clamp(1.6rem, 6vw, 2.2rem);
    color: var(--cream);
  }
  .nav a.is-active::after {
    display: none;
  }
  .nav a.is-active {
    color: var(--coral);
  }
  .nav-num {
    display: inline;
    font-family: var(--f-mono);
    font-size: 0.75rem;
    color: var(--coral);
    letter-spacing: 0.1em;
  }
  .hdr-tools {
    margin-left: auto;
  }
  .hero-grid,
  .split,
  .split--even,
  .split--rev,
  .wheel-wrap,
  .alloc,
  .phero-grid,
  .column-lock {
    grid-template-columns: minmax(0, 1fr);
  }
  .orbit {
    max-width: 420px;
  }
  .sticky {
    position: static;
  }
  .phases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .chambers {
    grid-template-columns: minmax(0, 1fr);
  }
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 2.25rem;
  }
  .toc {
    border-left: 0;
    padding-left: 0;
    border-top: 1px solid var(--line-d);
    padding-top: 1.5rem;
  }
}

@media (max-width: 760px) {
  :root {
    --hdr-h: 64px;
  }
  .facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .fact:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }
  .fact:nth-child(n + 3) {
    border-top: 1px solid var(--line-d);
  }
  .stack-row {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 0.75rem 1.25rem;
  }
  .stack-row .numeral {
    font-size: 2.4rem;
    grid-row: span 2;
  }
  .stack-row p {
    grid-column: 2;
  }
  .stack-row .go {
    display: none;
  }
  .refuse-item,
  .ledger-row,
  .split .ledger-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.6rem;
  }
  .split .ledger-row p {
    grid-column: auto;
  }
  .bento,
  .grid-2,
  .wg,
  .boundary,
  .outcomes {
    grid-template-columns: minmax(0, 1fr);
  }
  .tile--lead {
    grid-row: auto;
    min-height: 320px;
  }
  .boundary > div + div {
    border-left: 0;
    border-top: 1px dashed rgba(220, 122, 80, 0.5);
  }
  .outcome + .outcome {
    border-left: 0;
    border-top: 1px solid var(--line-d);
  }
  .contents a {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 0.4rem 1rem;
  }
  .contents p {
    grid-column: 2;
  }
  .contents .arr {
    display: none;
  }
  .cta-band {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }
  .phases,
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }
  .ftr-top {
    grid-template-columns: 1fr 1fr;
  }
  .ftr-brand {
    grid-column: 1 / -1;
  }
  .pager {
    grid-template-columns: minmax(0, 1fr);
  }
  .pager .next {
    grid-column: 1;
  }
  .callout {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
  }
  .wheel-step span {
    font-size: 0.74rem;
  }
  .wheel-step b {
    width: 30px;
    height: 30px;
  }
  .test {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.5rem;
  }
  .orbit-label {
    font-size: 0.58rem;
  }
  .lang button {
    padding: 0.34rem 0.6rem;
  }
}