.nd-hero-kicker {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 2vw, 1.4rem);
  width: min(100%, 56rem);
}

.nd-hero-kicker .volume-label {
  flex: 0 0 auto;
}

.nd-counter-sigil {
  position: relative;
  flex: 1 1 12rem;
  min-width: 8.5rem;
  max-width: 15rem;
  height: 1.5rem;
  opacity: 0.92;
}

.nd-counter-sigil-line {
  position: absolute;
  left: 0;
  right: 2.25rem;
  top: 50%;
  height: 1px;
  transform: translateY(-50%);
  background:
    linear-gradient(
      90deg,
      rgba(198, 165, 91, 0.08) 0%,
      rgba(198, 165, 91, 0.5) 34%,
      rgba(127, 93, 43, 0.7) 50%,
      rgba(198, 165, 91, 0.5) 68%,
      rgba(198, 165, 91, 0.08) 100%
    );
  background-size: 180% 100%;
  animation: none;
}

.nd-counter-sigil-glyph,
.nd-counter-sigil-orbit {
  position: absolute;
  top: calc(50% - 0.8rem);
  right: 0.15rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 999px;
}

.nd-counter-sigil-glyph {
  border: 1px solid rgba(198, 165, 91, 0.62);
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 252, 246, 0.88) 0%, rgba(255, 252, 246, 0.34) 32%, transparent 60%),
    radial-gradient(circle at 34% 28%, rgba(198, 165, 91, 0.28), transparent 52%);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.34),
    0 0 18px rgba(198, 165, 91, 0.14);
}

.nd-counter-sigil-glyph::before,
.nd-counter-sigil-glyph::after {
  content: "";
  position: absolute;
  border-radius: 999px;
}

.nd-counter-sigil-glyph::before {
  inset: 0.22rem;
  border: 1px solid rgba(138, 111, 63, 0.48);
}

.nd-counter-sigil-glyph::after {
  left: 50%;
  top: 50%;
  width: 0.2rem;
  height: 0.2rem;
  transform: translate(-50%, -50%);
  background: rgba(128, 96, 45, 0.92);
}

.nd-counter-sigil-core {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  width: 0.32rem;
  height: 0.32rem;
  border-radius: 999px;
  transform: translate(50%, -50%);
  background: rgba(198, 165, 91, 0.96);
  box-shadow: 0 0 0 0 rgba(198, 165, 91, 0.34);
  animation: none;
}

.nd-counter-sigil-orbit {
  animation: none;
}

.nd-counter-sigil-orbit::before,
.nd-counter-sigil-orbit::after {
  content: "";
  position: absolute;
}

.nd-counter-sigil-orbit::before {
  inset: -0.1rem;
  border-radius: 999px;
  border: 1px dashed rgba(177, 144, 81, 0.42);
}

.nd-counter-sigil-orbit::after {
  left: 50%;
  top: -0.12rem;
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 999px;
  transform: translateX(-50%);
  background: rgba(255, 248, 235, 0.94);
  box-shadow:
    0 0 0 1px rgba(198, 165, 91, 0.62),
    0 0 10px rgba(198, 165, 91, 0.22);
}

.nd-hero {
  grid-template-columns: minmax(0, 1.02fr) minmax(18rem, 0.88fr);
  justify-items: start;
  gap: clamp(2.25rem, 6vw, 6rem);
  align-items: center;
  align-content: center;
  min-height: calc(100vh - 7rem);
}

.nd-hero .hero-copy {
  position: relative;
  z-index: 1;
  width: min(100%, 44rem);
}

.nd-hero .hero-lede {
  max-width: 42rem;
}

.nd-hero .hero-subcopy {
  max-width: 44rem;
}

.nd-hero-atlas {
  position: relative;
  align-self: stretch;
  width: min(100%, 36rem);
  min-height: 32rem;
  justify-self: stretch;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.nd-hero-atlas::before {
  content: "";
  position: absolute;
  inset: 6% 6% 10% 10%;
  border-radius: 44% 56% 52% 48% / 52% 44% 56% 48%;
  background:
    radial-gradient(circle at 55% 45%, rgba(255, 248, 235, 0.78), rgba(255, 248, 235, 0.18) 26%, transparent 58%),
    radial-gradient(circle at 62% 50%, rgba(198, 165, 91, 0.14), transparent 45%);
  filter: blur(10px);
  opacity: 0.9;
}

.nd-hero-atlas-field {
  position: relative;
  width: min(100%, 33rem);
  aspect-ratio: 0.96;
  border-radius: 44% 56% 52% 48% / 52% 44% 56% 48%;
}

.nd-hero-atlas-aura,
.nd-hero-atlas-grid,
.nd-hero-atlas-ring,
.nd-hero-atlas-route,
.nd-hero-atlas-node,
.nd-hero-atlas-label {
  position: absolute;
}

.nd-hero-atlas-aura {
  inset: 8%;
  border-radius: inherit;
  background:
    radial-gradient(circle at 48% 44%, rgba(255, 252, 246, 0.88) 0%, rgba(255, 252, 246, 0.36) 18%, rgba(198, 165, 91, 0.14) 34%, transparent 62%),
    radial-gradient(circle at 30% 28%, rgba(198, 165, 91, 0.1), transparent 22%),
    radial-gradient(circle at 76% 64%, rgba(139, 164, 171, 0.08), transparent 20%);
  box-shadow:
    inset 0 0 0 1px rgba(201, 183, 159, 0.28),
    0 1.2rem 3rem rgba(198, 165, 91, 0.12);
}

.nd-hero-atlas-grid {
  inset: 12% 14%;
  border-radius: 50%;
  opacity: 0.36;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 1.95rem,
      rgba(196, 164, 93, 0.12) 1.95rem,
      rgba(196, 164, 93, 0.12) 2rem
    ),
    repeating-linear-gradient(
      180deg,
      transparent 0,
      transparent 1.95rem,
      rgba(196, 164, 93, 0.12) 1.95rem,
      rgba(196, 164, 93, 0.12) 2rem
    );
  mask-image: radial-gradient(circle at center, black 0%, black 58%, transparent 88%);
}

.nd-hero-atlas-ring {
  border-radius: 50%;
  border: 1px solid rgba(190, 155, 89, 0.42);
}

.nd-hero-atlas-ring-lg {
  inset: 13% 17%;
  animation: ndOrbit 26s linear infinite reverse;
}

.nd-hero-atlas-ring-md {
  inset: 23% 27%;
  border-style: dashed;
  border-color: rgba(177, 144, 81, 0.34);
  animation: ndOrbit 18s linear infinite;
}

.nd-hero-atlas-ring-sm {
  inset: 35% 39%;
  border-color: rgba(128, 96, 45, 0.36);
  animation: ndPulseField 5.4s ease-in-out infinite;
}

.nd-hero-atlas-route {
  border-color: rgba(172, 137, 71, 0.42);
  border-style: solid;
  filter: drop-shadow(0 0 10px rgba(198, 165, 91, 0.1));
}

.nd-hero-atlas-route-a {
  left: 16%;
  top: 27%;
  width: 58%;
  height: 32%;
  border-width: 1px 1px 0 0;
  border-radius: 0 100% 0 0;
  transform: rotate(6deg);
  animation: ndAtlasDriftA 12s ease-in-out infinite;
}

.nd-hero-atlas-route-b {
  right: 20%;
  bottom: 18%;
  width: 44%;
  height: 30%;
  border-width: 0 0 1px 1px;
  border-radius: 0 0 0 100%;
  transform: rotate(-9deg);
  animation: ndAtlasDriftB 10.5s ease-in-out infinite;
}

.nd-hero-atlas-route-c {
  left: 28%;
  top: 18%;
  width: 28%;
  height: 50%;
  border-width: 0 1px 1px 0;
  border-radius: 0 100% 100% 0;
  transform: rotate(14deg);
  opacity: 0.7;
  animation: ndAtlasDriftC 9.4s ease-in-out infinite;
}

.nd-hero-atlas-node {
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 999px;
  background: rgba(255, 248, 235, 0.96);
  box-shadow:
    0 0 0 1px rgba(198, 165, 91, 0.72),
    0 0 0 0 rgba(198, 165, 91, 0.24);
  animation: ndAtlasNodePulse 4.6s ease-in-out infinite;
}

.nd-hero-atlas-node-a {
  left: 22%;
  top: 34%;
}

.nd-hero-atlas-node-b {
  left: 55%;
  top: 22%;
  animation-delay: 0.9s;
}

.nd-hero-atlas-node-c {
  right: 24%;
  bottom: 24%;
  animation-delay: 1.6s;
}

.nd-hero-atlas-node-d {
  left: 46%;
  bottom: 18%;
  animation-delay: 2.2s;
}

.nd-hero-atlas-label {
  display: grid;
  gap: 0.08rem;
  padding: 0.45rem 0.65rem 0.5rem;
  border: 1px solid rgba(201, 183, 159, 0.48);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.48), rgba(255, 255, 255, 0)),
    rgba(250, 245, 237, 0.74);
  box-shadow: 0 0.8rem 1.6rem rgba(198, 165, 91, 0.08);
  font-family: var(--font-display);
  font-size: 0.6rem;
  line-height: 1.2;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--accent) 68%, var(--foreground) 32%);
  white-space: nowrap;
}

.nd-hero-atlas-label :lang(zh-CN) {
  letter-spacing: 0.1em;
  font-size: 0.92em;
}

.nd-hero-atlas-label-top {
  top: 14%;
  right: 8%;
}

.nd-hero-atlas-label-bottom {
  left: 6%;
  bottom: 11%;
}

.nd-stage-section {
  padding-top: clamp(2rem, 5vw, 3rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.nd-stage {
  width: min(860px, 100%);
  margin: 0 auto;
  border: 1px solid rgba(201, 183, 159, 0.88);
  border-radius: clamp(1rem, 1rem + 0.4vw, 1.4rem);
  background:
    radial-gradient(circle at top right, rgba(109, 138, 150, 0.12), transparent 24%),
    radial-gradient(circle at bottom left, rgba(198, 165, 91, 0.14), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0)),
    linear-gradient(180deg, var(--background-alt), color-mix(in srgb, var(--surface-warm) 74%, white 26%));
  box-shadow: var(--lift-shadow);
  overflow: hidden;
}

.nd-stage::before,
.nd-stage::after {
  font-size: 1.1rem;
}

.nd-stage-inner {
  display: grid;
  gap: 1.2rem;
  padding: clamp(1.4rem, 2.3vw, 2rem);
}

.nd-stage-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 1rem;
}

.nd-stage-copy {
  display: grid;
  gap: 0.45rem;
}

.nd-stage-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.42), 0 1px 8px rgba(198, 165, 91, 0.08);
}

.nd-stage-title.is-dual {
  display: grid;
  gap: 0.3rem;
}

.nd-stage-title.is-dual :lang(zh-CN) {
  font-size: 0.66em;
  line-height: 1.2;
}

.nd-stage-copy p,
.nd-stage-note,
.nd-stage-confirm,
.nd-stage-summary,
.nd-question-intro,
.nd-loading-copy,
.nd-claim-copy,
.nd-error-copy {
  margin: 0;
  font-size: clamp(1rem, 0.97rem + 0.22vw, 1.1rem);
  line-height: 1.72;
  color: color-mix(in srgb, var(--foreground) 86%, white 14%);
}

.nd-stage-note,
.nd-stage-confirm,
.nd-stage-summary,
.nd-loading-copy,
.nd-claim-copy,
.nd-error-copy {
  color: var(--muted-foreground);
}

.nd-meta-chip-row,
.nd-mode-chip-row,
.nd-claim-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.nd-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.15rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(198, 165, 91, 0.34);
  border-radius: 999px;
  background: rgba(255, 252, 247, 0.72);
  box-shadow: var(--paper-shadow);
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--foreground) 75%, var(--accent) 25%);
}

.nd-flow-banner {
  display: grid;
  gap: 0.4rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(201, 183, 159, 0.58);
  border-radius: calc(var(--radius-soft) - 1px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.36), rgba(255, 255, 255, 0)),
    color-mix(in srgb, var(--surface-warm-alt) 84%, white 16%);
}

.nd-input-label {
  display: grid;
  gap: 0.55rem;
}

.nd-input-label span {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.nd-input {
  min-height: 3.6rem;
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(198, 165, 91, 0.4);
  border-radius: calc(var(--radius-soft) - 1px);
  background: rgba(255, 252, 247, 0.88);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
  color: var(--foreground);
}

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

.nd-option-grid {
  display: grid;
  gap: 0.85rem;
}

.nd-option {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.95rem;
  align-items: start;
  width: 100%;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(201, 183, 159, 0.72);
  border-radius: calc(var(--radius-soft) - 1px);
  background:
    radial-gradient(circle at top right, rgba(198, 165, 91, 0.08), transparent 20%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0)),
    rgba(251, 247, 241, 0.84);
  box-shadow: var(--paper-shadow);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background var(--transition-base);
}

.nd-option:hover,
.nd-option:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(198, 165, 91, 0.7);
  box-shadow: var(--paper-shadow), var(--edge-glow);
}

.nd-option.is-selected {
  border-color: rgba(142, 47, 63, 0.5);
  background:
    radial-gradient(circle at top right, rgba(142, 47, 63, 0.1), transparent 20%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.46), rgba(255, 255, 255, 0)),
    color-mix(in srgb, var(--surface-seal) 64%, white 36%);
}

.nd-option-key {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(198, 165, 91, 0.14);
  color: var(--accent-strong);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
}

.nd-option-copy {
  display: grid;
  gap: 0.25rem;
}

.nd-option-copy strong {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 500;
}

.nd-option-copy span {
  color: var(--muted-foreground);
  line-height: 1.65;
}

.nd-question-shell {
  display: grid;
  gap: 1rem;
  width: 100%;
  min-width: 0;
}

.nd-question-head {
  display: grid;
  gap: 0.8rem;
  width: 100%;
  min-width: 0;
}

.nd-question-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: center;
}

.nd-question-meta > * {
  min-width: 0;
}

.nd-question-meta .nd-meta-chip-row {
  flex: 1 1 auto;
}

.nd-question-count {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  white-space: nowrap;
  text-align: right;
}

.nd-question-prompt {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 2.4vw, 2.75rem);
  line-height: 1.12;
}

.nd-question-nav {
  display: grid;
  gap: 0.8rem;
  width: 100%;
  min-width: 0;
}

.nd-question-nav > * {
  min-width: 0;
}

.nd-question-nav .button,
.nd-question-actions .button {
  white-space: nowrap;
}

.nd-index-bar {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 0.55rem;
  overflow: visible;
  justify-content: stretch;
  align-items: start;
  width: 100%;
  min-width: 0;
  padding-inline: 0.1rem 0.2rem;
  padding-bottom: 0;
}

.nd-question-actions {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  width: 100%;
  min-width: 0;
}

.nd-question-actions .nd-actions {
  width: 100%;
  justify-content: space-between;
}

.nd-option-grid {
  width: 100%;
  min-width: 0;
  padding-inline: 0.12rem 0.24rem;
}

.nd-option {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.nd-index-bar::-webkit-scrollbar {
  height: 8px;
}

.nd-index-bar::-webkit-scrollbar-thumb {
  background: rgba(198, 165, 91, 0.35);
  border-radius: 999px;
}

.nd-index-button {
  width: min(100%, 2.65rem);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  min-width: 0;
  min-height: 2.5rem;
  border: 1px solid rgba(201, 183, 159, 0.7);
  border-radius: 999px;
  background: rgba(255, 252, 247, 0.88);
  color: var(--muted-foreground);
  cursor: pointer;
  transition:
    color var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base),
    transform var(--transition-base);
}

.nd-index-button:hover,
.nd-index-button:focus-visible {
  transform: translateY(-1px);
  color: var(--foreground);
  border-color: rgba(198, 165, 91, 0.68);
}

.nd-index-button.is-active {
  color: var(--accent-foreground);
  border-color: rgba(198, 165, 91, 0.8);
  background: linear-gradient(180deg, #d7bc7a 0%, #c6a55b 52%, #ae8b43 100%);
}

.nd-index-button.is-answered:not(.is-active) {
  color: var(--foreground);
  background: color-mix(in srgb, var(--surface-cool) 54%, white 46%);
}

.nd-index-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.nd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}

.nd-actions .button {
  min-height: 2.9rem;
}

.nd-question-nav .button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.nd-question-nav .button:disabled::after {
  display: none;
}

.nd-confirm-grid,
.nd-claim-grid {
  display: grid;
  gap: 1rem;
}

.nd-confirm-card,
.nd-claim-card,
.nd-error-card {
  display: grid;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(201, 183, 159, 0.6);
  border-radius: calc(var(--radius-soft) - 1px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.38), rgba(255, 255, 255, 0)),
    color-mix(in srgb, var(--surface-warm-alt) 82%, white 18%);
}

.nd-confirm-grid dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1rem;
  margin: 0;
}

.nd-confirm-grid dt,
.nd-claim-card dt {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.nd-confirm-grid dd,
.nd-claim-card dd {
  margin: 0.2rem 0 0;
  font-size: 1rem;
  color: var(--foreground);
}

.nd-loading-shell {
  display: grid;
  gap: 1rem;
  justify-items: start;
}

.nd-loading-mark {
  position: relative;
  width: 4.75rem;
  height: 4.75rem;
  border-radius: 999px;
  border: 1px solid rgba(198, 165, 91, 0.35);
  display: inline-grid;
  place-items: center;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0)),
    rgba(251, 247, 241, 0.84);
  box-shadow: var(--paper-shadow);
}

.nd-loading-mark::before,
.nd-loading-mark::after {
  content: "";
  position: absolute;
  border-radius: 999px;
}

.nd-loading-mark::before {
  width: 3.4rem;
  height: 3.4rem;
  border: 2px solid rgba(198, 165, 91, 0.22);
}

.nd-loading-mark::after {
  width: 2.15rem;
  height: 2.15rem;
  border-top: 2px solid rgba(142, 47, 63, 0.7);
  border-right: 2px solid rgba(198, 165, 91, 0.72);
  animation: ndOrbit 1.15s linear infinite;
}

.nd-loading-status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted-foreground);
}

.nd-loading-status::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: rgba(198, 165, 91, 0.8);
  box-shadow: 0 0 0 0 rgba(198, 165, 91, 0.35);
  animation: ndPulse 1.4s ease-out infinite;
}

.nd-claim-card dl {
  display: grid;
  gap: 0.8rem;
  margin: 0;
}

.nd-claim-card .dual-stack {
  gap: 0.22rem;
}

.nd-inline-link {
  color: color-mix(in srgb, var(--accent) 74%, var(--foreground) 26%);
  text-decoration: underline;
  text-underline-offset: 0.28rem;
}

.nd-inline-link:hover,
.nd-inline-link:focus-visible {
  color: var(--foreground);
}

@keyframes ndOrbit {
  from {
    transform: rotate(0deg);
  }

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

@keyframes ndSignalSweep {
  0%,
  100% {
    opacity: 0.76;
    background-position: 0% 50%;
  }

  50% {
    opacity: 1;
    background-position: 100% 50%;
  }
}

@keyframes ndAtlasDriftA {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(6deg);
  }

  50% {
    transform: translate3d(0.45rem, -0.35rem, 0) rotate(10deg);
  }
}

@keyframes ndAtlasDriftB {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(-9deg);
  }

  50% {
    transform: translate3d(-0.4rem, 0.35rem, 0) rotate(-4deg);
  }
}

@keyframes ndAtlasDriftC {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(14deg);
  }

  50% {
    transform: translate3d(0.28rem, 0.2rem, 0) rotate(18deg);
  }
}

@keyframes ndAtlasNodePulse {
  0%,
  100% {
    box-shadow:
      0 0 0 1px rgba(198, 165, 91, 0.72),
      0 0 0 0 rgba(198, 165, 91, 0.24);
  }

  55% {
    box-shadow:
      0 0 0 1px rgba(198, 165, 91, 0.72),
      0 0 0 0.42rem rgba(198, 165, 91, 0);
  }
}

@keyframes ndPulseField {
  0%,
  100% {
    opacity: 0.46;
    transform: scale(1);
  }

  50% {
    opacity: 0.88;
    transform: scale(1.035);
  }
}

@keyframes ndPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(198, 165, 91, 0.35);
  }

  100% {
    box-shadow: 0 0 0 0.75rem rgba(198, 165, 91, 0);
  }
}

@media (max-width: 900px) {
  .nd-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .nd-hero .hero-copy {
    width: min(100%, 60rem);
  }

  .nd-hero-atlas {
    display: none;
  }

  .nd-stage-head,
  .nd-question-meta,
  .nd-question-nav,
  .nd-question-actions {
    grid-template-columns: 1fr;
    display: grid;
    justify-content: stretch;
  }

  .nd-index-bar {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .nd-confirm-grid dl {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    gap: 0.6rem;
  }

  .site-nav {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 0.55rem;
    font-size: 0.62rem;
    letter-spacing: 0.12em;
  }

  .site-nav a {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    min-width: 0;
  }

  .site-nav .label-divider {
    margin-inline: 0.22rem;
  }

  .nd-hero-kicker {
    width: 100%;
    gap: 0.55rem;
    flex-wrap: nowrap;
  }

  .nd-hero-kicker .volume-label {
    min-width: 0;
    font-size: 0.58rem;
    letter-spacing: 0.16em;
    white-space: nowrap;
  }

  .nd-counter-sigil {
    min-width: 5.2rem;
    max-width: 7.2rem;
  }

  .nd-stage-inner {
    gap: 0.95rem;
    padding: 1rem;
  }

  .nd-question-shell {
    gap: 0.75rem;
  }

  .nd-question-head,
  .nd-question-meta,
  .nd-question-nav,
  .nd-question-actions {
    gap: 0.6rem;
  }

  .nd-question-prompt,
  .nd-stage-title {
    font-size: clamp(1.34rem, 6vw, 1.82rem);
    line-height: 1.08;
  }

  .nd-question-intro,
  .nd-stage-note,
  .nd-stage-confirm,
  .nd-stage-summary,
  .nd-loading-copy,
  .nd-claim-copy,
  .nd-error-copy {
    font-size: 0.92rem;
    line-height: 1.5;
  }

  .nd-index-bar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.45rem;
  }

  .nd-option-grid {
    gap: 0.55rem;
    padding-inline: 0;
  }

  .nd-option {
    gap: 0.72rem;
    padding: 0.72rem 0.82rem;
  }

  .nd-option-key {
    width: 1.65rem;
    height: 1.65rem;
    font-size: 0.72rem;
  }

  .nd-option-copy {
    gap: 0.12rem;
  }

  .nd-option-copy strong {
    font-size: 0.98rem;
    line-height: 1.08;
  }

  .nd-option-copy span {
    font-size: 0.86rem;
    line-height: 1.42;
  }

  .nd-question-actions .button {
    min-height: 2.65rem;
    padding-inline: 0.72rem;
    font-size: 0.78rem;
  }
}

@media (max-width: 420px) {
  .site-nav {
    font-size: 0.56rem;
    letter-spacing: 0.08em;
    gap: 0.4rem;
  }

  .nd-hero-kicker .volume-label {
    font-size: 0.52rem;
    letter-spacing: 0.12em;
  }

  .nd-counter-sigil {
    min-width: 4.5rem;
    max-width: 5.8rem;
  }

  .nd-question-prompt,
  .nd-stage-title {
    font-size: clamp(1.22rem, 5.8vw, 1.56rem);
  }

  .nd-option {
    gap: 0.62rem;
    padding: 0.64rem 0.72rem;
  }

  .nd-option-copy strong {
    font-size: 0.92rem;
  }

  .nd-option-copy span {
    font-size: 0.8rem;
    line-height: 1.36;
  }
}