/* Black Sky — editorial cornerstone layout (no card chrome) */

.page-black-sky {
  --bs-ink: #0b1218;
  --bs-panel: #101820;
  --bs-line: rgba(215, 230, 238, 0.16);
  --bs-mist: #9db0bc;
  --bs-ember: #c8963e;
  --bs-signal: #7eb6d9;
  --bs-rule: #d8d4cc;
  --bs-muted: #5c5c5c;
}

/* Kill shared card/callout chrome on this page */
.page-black-sky .callout,
.page-black-sky .aeo-answer-card,
.page-black-sky .aeo-agent-brief,
.page-black-sky .bs-impact,
.page-black-sky .bs-mode,
.page-black-sky .bs-desk,
.page-black-sky .bs-boundary article,
.page-black-sky .bs-compare article {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.page-black-sky .aeo-answer-card {
  border-left: 0;
  padding: 0;
}

.page-black-sky .callout {
  border-left: 0;
  padding: 0;
  margin: 0;
}

.page-black-sky .aeo-agent-brief {
  padding: 0;
  margin-top: 0;
}

/* Splash */
.page-black-sky .pg-splash {
  min-height: min(88vh, 760px);
  display: flex;
  align-items: flex-end;
  background: var(--bs-ink);
}

.page-black-sky .pg-splash-stage::after {
  background:
    radial-gradient(ellipse 70% 55% at 78% 42%, rgba(126, 182, 217, 0.14), transparent 55%),
    linear-gradient(180deg, rgba(11, 18, 24, 0.3) 0%, rgba(11, 18, 24, 0.55) 42%, #0b1218 100%),
    linear-gradient(90deg, #0b1218 0%, rgba(11, 18, 24, 0.9) 34%, rgba(11, 18, 24, 0.28) 64%, transparent 88%);
}

.page-black-sky .pg-splash .container {
  padding-top: 72px;
  padding-bottom: 64px;
  width: 100%;
}

.page-black-sky .pg-splash .eyebrow {
  color: var(--bs-signal);
}

.page-black-sky .pg-splash .eyebrow-mark {
  background: var(--bs-ember);
}

.page-black-sky .pg-splash h1 {
  max-width: 14em;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  letter-spacing: -0.045em;
  line-height: 0.98;
  color: #f3f3ef;
}

.page-black-sky .pg-splash .lead {
  max-width: 38rem;
  color: #c5d0d7;
  font-size: 1.125rem;
  line-height: 1.6;
}

.page-black-sky .pg-splash .lead strong {
  color: #f3f3ef;
  font-weight: 600;
}

.page-black-sky .bs-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 32px 0 0;
  max-width: 40rem;
  list-style: none;
  padding: 18px 0 0;
  border-top: 1px solid var(--bs-line);
}

.page-black-sky .bs-hero-stats li {
  padding: 0 18px 0 0;
  border: 0;
  background: transparent;
}

.page-black-sky .bs-hero-stats li + li {
  padding-left: 18px;
  border-left: 1px solid var(--bs-line);
}

.page-black-sky .bs-hero-stats strong {
  display: block;
  color: #f3f3ef;
  font-size: 1.5rem;
  letter-spacing: -0.04em;
  line-height: 1.05;
  font-weight: 650;
}

.page-black-sky .bs-hero-stats span {
  display: block;
  margin-top: 6px;
  color: var(--bs-mist);
  font-size: 0.8125rem;
  line-height: 1.4;
  max-width: 14ch;
}

@media (max-width: 640px) {
  .page-black-sky .bs-hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-black-sky .bs-hero-stats li,
  .page-black-sky .bs-hero-stats li + li {
    padding: 0;
    border-left: 0;
  }
}

/* Sticky jump — hairline, not pills */
.page-black-sky .bs-jump {
  position: sticky;
  top: var(--header-h, 56px);
  z-index: 20;
  background: rgba(247, 246, 243, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--bs-rule);
}

.page-black-sky .bs-jump-inner {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding: 0;
  scrollbar-width: thin;
}

.page-black-sky .bs-jump a {
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--bs-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 14px 16px 14px 0;
  margin-right: 8px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  white-space: nowrap;
}

.page-black-sky .bs-jump a:hover,
.page-black-sky .bs-jump a:focus-visible {
  color: var(--color-text);
  background: transparent;
  border-bottom-color: var(--color-text);
}

/* Definition block — editorial, not a boxed callout */
.page-black-sky .entity-def-wrap {
  margin-top: 8px;
  margin-bottom: 8px;
}

.page-black-sky #entity-def,
.page-black-sky .bs-notice {
  max-width: 72ch;
  padding: 28px 0 8px;
  border-top: 1px solid var(--color-text);
}

.page-black-sky #entity-def h2,
.page-black-sky .bs-notice h2 {
  margin: 0 0 12px;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
}

.page-black-sky #entity-def p,
.page-black-sky .bs-notice p {
  margin: 0;
  color: var(--color-text);
  font-size: 1.125rem;
  line-height: 1.65;
  max-width: 62ch;
}

.page-black-sky .bs-notice {
  margin-top: 40px;
  border-top-color: var(--bs-rule);
}

.page-black-sky .bs-notice h2 {
  color: var(--bs-muted);
}

.page-black-sky .bs-notice p {
  color: var(--bs-muted);
  font-size: 1rem;
}

/* Answer grid — ruled columns, no tiles */
.page-black-sky .aeo-answer-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--bs-rule);
}

@media (min-width: 800px) {
  .page-black-sky .aeo-answer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-black-sky .aeo-answer-card {
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--bs-rule);
}

@media (min-width: 800px) {
  .page-black-sky .aeo-answer-card:nth-child(odd) {
    padding-right: 28px;
    border-right: 1px solid var(--bs-rule);
  }

  .page-black-sky .aeo-answer-card:nth-child(even) {
    padding-left: 28px;
  }
}

.page-black-sky .aeo-answer-card h3 {
  margin: 0 0 10px;
  font-size: 1.0625rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  color: var(--color-text);
}

.page-black-sky .aeo-answer-card p {
  margin: 0;
  color: var(--bs-muted);
  font-size: 0.9875rem;
  line-height: 1.65;
  max-width: 42ch;
}

/* 72-hour phases — same editorial block language as answers / impacts */
.page-black-sky .bs-phase-grid {
  display: grid;
  gap: 0;
  margin-top: 8px;
  border-top: 1px solid var(--bs-rule);
}

@media (min-width: 900px) {
  .page-black-sky .bs-phase-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-black-sky .bs-phase {
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--bs-rule);
  background: transparent;
  border-radius: 0;
  box-shadow: none;
}

@media (min-width: 900px) {
  .page-black-sky .bs-phase {
    padding-right: 28px;
    border-bottom: 0;
  }

  .page-black-sky .bs-phase + .bs-phase {
    padding-left: 28px;
    border-left: 1px solid var(--bs-rule);
  }

  .page-black-sky .bs-phase:last-child {
    padding-right: 0;
  }
}

.page-black-sky .bs-phase-num {
  display: block;
  margin-bottom: 12px;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bs-muted);
}

.page-black-sky .bs-phase h3 {
  margin: 0 0 10px;
  font-size: 1.1875rem;
  letter-spacing: -0.025em;
  line-height: 1.25;
  font-weight: 650;
  color: var(--color-text);
}

.page-black-sky .bs-phase p {
  margin: 0;
  color: var(--bs-muted);
  font-size: 0.9875rem;
  line-height: 1.65;
  max-width: 36ch;
}

.page-black-sky .bs-phase .bs-affix {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--bs-rule);
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.55;
  max-width: 36ch;
}

.page-black-sky .bs-phase .bs-affix strong {
  color: var(--color-text);
  font-weight: 650;
}

/* Impact — open numbered list, no cards */
.page-black-sky .bs-impact-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--bs-rule);
}

@media (min-width: 900px) {
  .page-black-sky .bs-impact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-black-sky .bs-impact {
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--bs-rule);
  transition: none;
}

@media (min-width: 900px) {
  .page-black-sky .bs-impact:nth-child(odd) {
    padding-right: 32px;
    border-right: 1px solid var(--bs-rule);
  }

  .page-black-sky .bs-impact:nth-child(even) {
    padding-left: 32px;
  }
}

.page-black-sky .bs-impact:hover {
  transform: none;
  box-shadow: none;
}

.page-black-sky .bs-impact-num {
  display: block;
  width: auto;
  height: auto;
  margin-bottom: 12px;
  border-radius: 0;
  background: transparent;
  color: var(--bs-muted);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.12em;
}

.page-black-sky .bs-impact h3 {
  margin: 0 0 10px;
  font-size: 1.1875rem;
  letter-spacing: -0.025em;
  line-height: 1.25;
  font-weight: 650;
}

.page-black-sky .bs-impact p {
  margin: 0;
  color: var(--bs-muted);
  font-size: 0.9875rem;
  line-height: 1.65;
  max-width: 46ch;
}

.page-black-sky .bs-impact .bs-affix {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--bs-rule);
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.55;
  max-width: 46ch;
}

.page-black-sky .bs-impact .bs-affix strong {
  color: var(--color-text);
  font-weight: 650;
}

/* Dark band */
.page-black-sky .bs-band-dark {
  background: var(--bs-ink);
  color: #e8eef2;
}

.page-black-sky .bs-band-dark .section-head h2,
.page-black-sky .bs-band-dark h2,
.page-black-sky .bs-band-dark h3 {
  color: #f3f3ef;
}

.page-black-sky .bs-band-dark .section-head p,
.page-black-sky .bs-band-dark p {
  color: var(--bs-mist);
}

.page-black-sky .bs-pull {
  margin: 0;
  max-width: 28ch;
  font-size: clamp(1.75rem, 3.6vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
  color: #f3f3ef;
  font-weight: 650;
}

.page-black-sky .bs-pull-wrap {
  display: grid;
  gap: 24px;
  align-items: end;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--bs-line);
}

@media (min-width: 900px) {
  .page-black-sky .bs-pull-wrap {
    grid-template-columns: 1fr 1.15fr;
    gap: 48px;
  }
}

.page-black-sky .bs-pull-note {
  margin: 0;
  max-width: 48ch;
  color: var(--bs-mist);
  font-size: 1.0625rem;
  line-height: 1.65;
}

.page-black-sky .bs-split {
  display: grid;
  gap: 28px;
  align-items: center;
}

@media (min-width: 900px) {
  .page-black-sky .bs-split {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
  }
}

.page-black-sky .bs-split-media {
  position: relative;
  border-radius: 0;
  overflow: hidden;
  border: 0;
  min-height: 280px;
  background: #10212b;
}

.page-black-sky .bs-split-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
  filter: grayscale(0.25) contrast(1.05);
}

.page-black-sky .bs-split-media figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px 18px;
  border-radius: 0;
  background: linear-gradient(transparent, rgba(11, 18, 24, 0.92));
  color: #d7e6ee;
  font-size: 0.8125rem;
  line-height: 1.45;
  backdrop-filter: none;
}

.page-black-sky .bs-kicker {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bs-ember);
}

/* Compare — two columns with a single vertical rule */
.page-black-sky .bs-compare {
  display: grid;
  gap: 0;
  margin-top: 8px;
  border-top: 1px solid var(--bs-rule);
}

@media (min-width: 800px) {
  .page-black-sky .bs-compare {
    grid-template-columns: 1fr 1fr;
  }
}

.page-black-sky .bs-compare article {
  padding: 28px 0 8px;
}

@media (min-width: 800px) {
  .page-black-sky .bs-compare article.is-risk {
    padding-right: 32px;
    border-right: 1px solid var(--bs-rule);
  }

  .page-black-sky .bs-compare article.is-path {
    padding-left: 32px;
  }
}

.page-black-sky .bs-compare .is-risk,
.page-black-sky .bs-compare .is-path {
  background: transparent;
  color: inherit;
}

.page-black-sky .bs-compare .is-risk h3,
.page-black-sky .bs-compare .is-path h3 {
  color: var(--color-text);
}

.page-black-sky .bs-compare .is-risk p,
.page-black-sky .bs-compare .is-path p,
.page-black-sky .bs-compare .is-risk li,
.page-black-sky .bs-compare .is-path li {
  color: var(--bs-muted);
}

.page-black-sky .bs-compare .bs-kicker {
  color: var(--bs-muted);
}

.page-black-sky .bs-compare .is-path .bs-kicker {
  color: var(--color-accent);
}

.page-black-sky .bs-compare h3 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  font-weight: 650;
}

.page-black-sky .bs-compare p {
  margin: 0 0 14px;
  line-height: 1.65;
  max-width: 40ch;
}

.page-black-sky .bs-compare ul {
  margin: 0;
  padding-left: 1.1rem;
  line-height: 1.65;
}

.page-black-sky .bs-compare li + li {
  margin-top: 6px;
}

/* Architecture diagram */
.page-black-sky .bs-arch {
  margin-top: 8px;
  border-radius: 0;
  border: 1px solid var(--bs-line);
  background: var(--bs-panel);
  padding: 8px 4px;
  overflow: auto;
}

.page-black-sky .bs-arch svg {
  display: block;
  width: 100%;
  min-width: 680px;
  height: auto;
}

/* Modes */
.page-black-sky .bs-modes {
  display: grid;
  gap: 0;
  margin-top: 8px;
  border-top: 1px solid var(--bs-rule);
}

@media (min-width: 900px) {
  .page-black-sky .bs-modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-black-sky .bs-mode {
  padding: 28px 0 8px;
}

@media (min-width: 900px) {
  .page-black-sky .bs-mode {
    padding-right: 24px;
  }

  .page-black-sky .bs-mode + .bs-mode {
    padding-left: 24px;
    border-left: 1px solid var(--bs-rule);
  }
}

.page-black-sky .bs-mode code {
  display: inline-block;
  margin-bottom: 12px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--color-accent);
  font-size: 0.8125rem;
}

.page-black-sky .bs-mode h3 {
  margin: 0 0 8px;
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.page-black-sky .bs-mode p {
  margin: 0;
  color: var(--bs-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
  max-width: 32ch;
}

.page-black-sky .bs-code-wrap {
  margin-top: 28px;
  border-radius: 0;
  overflow: hidden;
  border: 1px solid #1c2d38;
  background: #0b1218;
}

.page-black-sky .bs-code-bar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid #1c2d38;
  color: #8fa3b0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-black-sky .bs-code {
  margin: 0;
  padding: 18px 18px 22px;
  color: #d7e6ee;
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  overflow-x: auto;
}

.page-black-sky .bs-code .c-key { color: #7eb6d9; }
.page-black-sky .bs-code .c-str { color: #c8963e; }
.page-black-sky .bs-code .c-cmt { color: #6d8290; }

/* Desks */
.page-black-sky .bs-desk-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--bs-rule);
}

@media (min-width: 800px) {
  .page-black-sky .bs-desk-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-black-sky .bs-desk {
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--bs-rule);
}

@media (min-width: 800px) {
  .page-black-sky .bs-desk:nth-child(odd) {
    padding-right: 32px;
    border-right: 1px solid var(--bs-rule);
  }

  .page-black-sky .bs-desk:nth-child(even) {
    padding-left: 32px;
  }
}

.page-black-sky .bs-desk h3 {
  margin: 0 0 8px;
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.page-black-sky .bs-desk p {
  margin: 0 0 14px;
  color: var(--bs-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
  max-width: 40ch;
}

.page-black-sky .bs-desk a {
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

/* Boundary */
.page-black-sky .bs-boundary {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--bs-rule);
}

@media (min-width: 800px) {
  .page-black-sky .bs-boundary {
    grid-template-columns: 1fr 1fr;
  }
}

.page-black-sky .bs-boundary article {
  padding: 28px 0 8px;
}

@media (min-width: 800px) {
  .page-black-sky .bs-boundary article:first-child {
    padding-right: 32px;
    border-right: 1px solid var(--bs-rule);
  }

  .page-black-sky .bs-boundary article:last-child {
    padding-left: 32px;
  }
}

.page-black-sky .bs-boundary h3 {
  margin: 0 0 14px;
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.page-black-sky .bs-boundary ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--bs-muted);
  font-size: 0.9875rem;
  line-height: 1.7;
}

.page-black-sky .bs-boundary li + li {
  margin-top: 8px;
}

/* Agent brief — definition rows */
.page-black-sky .aeo-agent-brief dl {
  border-top: 1px solid var(--bs-rule);
}

.page-black-sky .aeo-agent-brief dl > div {
  padding: 16px 0;
  border-bottom: 1px solid var(--bs-rule);
  gap: 8px;
}

@media (min-width: 720px) {
  .page-black-sky .aeo-agent-brief dl > div {
    grid-template-columns: minmax(0, 10rem) minmax(0, 1fr);
    gap: 28px;
  }
}

.page-black-sky .aeo-agent-brief dt {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 650;
}

.page-black-sky .aeo-agent-links {
  border-top: 0;
  padding-top: 20px;
}

/* Citation strip */
.page-black-sky .bs-cite-strip {
  border-top: 1px solid var(--bs-rule);
  border-bottom: 1px solid var(--bs-rule);
  background: transparent;
}

.page-black-sky .bs-cite-grid {
  display: grid;
  gap: 0;
}

.page-black-sky .bs-cite-grid article {
  padding: 24px 0;
  border-bottom: 1px solid var(--bs-rule);
}

.page-black-sky .bs-cite-grid article:last-child {
  border-bottom: 0;
}

.page-black-sky .bs-cite-grid h2 {
  margin: 0 0 6px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 650;
  color: var(--bs-muted);
}

.page-black-sky .bs-cite-grid p {
  margin: 0;
  color: var(--color-text);
  font-size: 0.9875rem;
  line-height: 1.55;
  max-width: 52ch;
}

.page-black-sky .bs-cite-grid a {
  font-weight: 600;
  font-size: 0.875rem;
}

@media (min-width: 800px) {
  .page-black-sky .bs-cite-grid article {
    display: grid;
    grid-template-columns: 11rem minmax(0, 1fr) auto;
    gap: 24px;
    align-items: start;
    padding: 26px 0;
  }
}

/* FAQ: keep clean */
.page-black-sky .faq-item {
  border-color: var(--bs-rule);
}

.page-black-sky .section-head {
  border-left: 0;
  padding-left: 0;
  margin-bottom: 28px;
}

.page-black-sky .section-head h2 {
  letter-spacing: -0.03em;
}

.page-black-sky .section-head p {
  max-width: 58ch;
}

.page-black-sky .eyebrow {
  border-left: 0;
}

/* Motion — subtle only */
@keyframes bs-rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: no-preference) {
  .page-black-sky .pg-splash h1,
  .page-black-sky .pg-splash .lead,
  .page-black-sky .bs-hero-stats,
  .page-black-sky .pg-actions {
    animation: bs-rise 0.65s cubic-bezier(0.22, 1, 0.36, 1) both;
  }

  .page-black-sky .pg-splash .lead { animation-delay: 0.08s; }
  .page-black-sky .bs-hero-stats { animation-delay: 0.14s; }
  .page-black-sky .pg-actions { animation-delay: 0.2s; }
}