.scd-page {
  background: var(--color-ink-950);
}

.scd-page section {
  scroll-margin-top: 6rem;
}

.scd-hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-28);
  background: linear-gradient(135deg, var(--color-ink-950) 0%, var(--color-ink-900) 54%, var(--color-forest-800) 100%);
}

.scd-hero::after {
  position: absolute;
  inset: auto -12% -25% auto;
  width: 38rem;
  height: 38rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(145 184 163 / 0.16), transparent 67%);
  content: "";
  pointer-events: none;
}

.scd-hero__grid,
.scd-overview__grid,
.scd-table__grid,
.scd-layers__grid,
.scd-challenges__grid,
.scd-preview__figures,
.scd-before__columns {
  display: grid;
  min-width: 0;
}

.scd-hero__grid {
  position: relative;
  z-index: 1;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: center;
}

.scd-hero__copy {
  grid-column: 1 / span 5;
  min-width: 0;
  max-width: 48ch;
}

.scd-hero__copy > :last-child,
.scd-hero__figure > :last-child,
.scd-table__copy > :last-child,
.scd-readers__intro > :last-child,
.scd-layers__intro > :last-child,
.scd-challenges__copy > :last-child,
.scd-preview__intro > :last-child,
.scd-before__intro > :last-child,
.scd-faq__intro > :last-child,
.scd-final__content > :last-child {
  margin-block-end: 0;
}

.scd-hero__actions {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  margin-block-start: var(--space-8);
}

.scd-hero__actions > * {
  min-width: 0;
}

.scd-hero__store-note {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-small);
}

.scd-text-link {
  color: var(--color-ivory-100);
  text-decoration-color: var(--color-gold-400);
  text-underline-offset: 0.28em;
}

.scd-hero__figure {
  grid-column: 7 / span 6;
  justify-self: end;
  width: min(100%, 32.5rem);
  min-width: 0;
  margin: var(--space-6) 0 0;
  border-radius: var(--radius-hero);
}

.scd-hero__figure img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
}

.scd-hero__figure figcaption {
  padding: var(--space-3) var(--space-4) var(--space-4);
}

.scd-overview__grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
}

.scd-overview__intro {
  grid-column: 1 / span 5;
  min-width: 0;
  max-width: 46ch;
}

.scd-overview__notes {
  display: flex;
  grid-column: 7 / span 6;
  min-width: 0;
  flex-direction: column;
  gap: var(--space-8);
}

.scd-number-note {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: var(--space-4);
  min-width: 0;
}

.scd-number-note > * {
  min-width: 0;
}

.scd-number-note > span {
  color: var(--color-gold-400);
  font-size: var(--text-eyebrow);
  font-weight: 700;
  letter-spacing: 0.14em;
}

.scd-number-note h3 {
  margin-block-end: var(--space-3);
}

.scd-number-note p {
  max-width: 56ch;
  margin-block-end: 0;
}

.scd-number-note--offset {
  margin-inline-start: var(--space-12);
}

.scd-number-note--sage {
  padding-inline-start: var(--space-4);
  border-inline-start: 1px solid var(--color-sage-300);
}

.scd-table__grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: center;
}

.scd-table__copy {
  grid-column: 1 / span 4;
  min-width: 0;
  max-width: 42ch;
}

.scd-table__figure {
  grid-column: 6 / span 7;
  min-width: 0;
  margin: 0;
}

.scd-table__figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
}

.scd-table__figure figcaption,
.scd-preview__figures figcaption {
  padding: var(--space-3) var(--space-4) var(--space-4);
}

.scd-gallery-frame {
  transition: transform var(--transition-base), filter var(--transition-base), border-color var(--transition-base);
}

.scd-gallery-frame:hover {
  border-color: rgb(242 232 213 / 0.38);
  filter: brightness(1.06);
  transform: translateY(-2px);
}

.scd-observation {
  margin-block-start: var(--space-8);
  padding: var(--space-4);
  border-inline-start: 2px solid var(--color-sage-300);
  background: rgb(8 12 20 / 0.28);
}

.scd-observation p {
  max-width: 48ch;
  margin: var(--space-2) 0 0;
  font-size: var(--text-small);
}

.scd-readers__intro {
  width: 58.333%;
  min-width: 0;
  max-width: 48ch;
}

.scd-readers__panels {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 1.5rem;
  min-width: 0;
  margin-block-start: var(--space-8);
}

.scd-reader-panel {
  position: relative;
  min-width: 0;
  padding: var(--space-8);
}

.scd-reader-panel > :last-child {
  margin-block-end: 0;
}

.scd-reader-panel p {
  max-width: 52ch;
}

.scd-reader-panel--open {
  border-block: 1px solid var(--color-line-dark);
}

.scd-reader-panel--forest {
  border: 1px solid rgb(145 184 163 / 0.34);
  border-radius: var(--radius-panel);
  background: var(--color-forest-800);
  box-shadow: var(--shadow-inset), var(--shadow-panel);
}

.scd-card-corner {
  position: absolute;
  right: var(--space-6);
  bottom: var(--space-4);
  color: var(--color-gold-400);
  font-size: 1.5rem;
}

.scd-layers__grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-12) 1.5rem;
}

.scd-layers__intro {
  grid-column: 1 / span 6;
  min-width: 0;
  max-width: 44ch;
}

.scd-layers__meta {
  grid-column: 10 / span 3;
  min-width: 0;
  align-self: end;
  color: var(--color-gold-400);
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 0.8;
  text-align: end;
}

.scd-layers__meta span {
  color: var(--color-sage-300);
  font-family: var(--font-sans);
  font-size: var(--text-eyebrow);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.scd-layer {
  min-width: 0;
  padding: var(--space-6);
}

.scd-layer > :last-child {
  margin-block-end: 0;
}

.scd-layer > span {
  display: block;
  margin-block-end: var(--space-4);
  color: var(--color-gold-400);
  font-family: var(--font-serif);
  font-size: 1.5rem;
}

.scd-layer p {
  max-width: 56ch;
}

.scd-layer--one {
  grid-column: 1 / span 6;
}

.scd-layer--two {
  grid-column: 7 / span 6;
  border-inline-start: 2px solid var(--color-sage-300);
  background: rgb(16 24 39 / 0.62);
}

.scd-layer--three {
  grid-column: 3 / span 7;
  border-top: 1px solid var(--color-gold-400);
  border-radius: var(--radius-panel);
  background: var(--color-ink-900);
  box-shadow: var(--shadow-inset), var(--shadow-panel);
}

.scd-challenges__grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.scd-challenges__copy {
  grid-column: 1 / span 6;
  min-width: 0;
  max-width: 52ch;
}

.scd-challenges__quote {
  margin-block-start: var(--space-8);
  padding-inline-start: var(--space-6);
  border-inline-start: 2px solid var(--color-gold-400);
  color: var(--color-ivory-100);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.3;
}

.scd-checklist {
  grid-column: 8 / span 5;
  min-width: 0;
  padding: var(--space-6);
  border: 1px solid var(--color-line-dark);
  border-radius: var(--radius-panel);
  background: var(--color-ink-900);
  box-shadow: var(--shadow-inset);
}

.scd-checklist > :last-child {
  margin-block-end: 0;
}

.scd-checklist__item {
  display: grid;
  min-width: 0;
  grid-template-columns: 0.75rem minmax(0, 1fr);
  column-gap: var(--space-3);
  min-height: 3.25rem;
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-line-dark);
}

.scd-checklist__item::before {
  width: 0.5rem;
  height: 0.5rem;
  margin-block-start: 0.55rem;
  border: 1px solid var(--color-sage-300);
  border-radius: 50%;
  content: "";
}

.scd-checklist__item strong,
.scd-checklist__item p {
  grid-column: 2;
}

.scd-checklist__item p {
  margin: var(--space-1) 0 0;
  max-width: 42ch;
  font-size: var(--text-small);
}

.scd-preview__intro {
  width: 50%;
  min-width: 0;
  max-width: 48ch;
}

.scd-preview__figures {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: start;
  margin-block-start: var(--space-8);
}

.scd-preview__main {
  grid-column: 1 / span 8;
  min-width: 0;
  margin: 0;
}

.scd-preview__side {
  grid-column: 9 / span 4;
  min-width: 0;
  margin: var(--space-16) 0 0;
}

.scd-preview__main img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.scd-preview__side img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.scd-before__intro {
  width: 58.333%;
  min-width: 0;
  max-width: 46ch;
}

.scd-before__columns {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin-block-start: var(--space-8);
}

.scd-before-card {
  min-width: 0;
  padding: var(--space-6) 0 0;
  border-top: 1px solid var(--color-gold-400);
}

.scd-before-card > :last-child {
  margin-block-end: 0;
}

.scd-before-card p {
  max-width: 52ch;
}

.scd-before-card--notice {
  padding: var(--space-6);
  border: 1px solid var(--color-line-dark);
  border-top-color: var(--color-gold-400);
  border-radius: var(--radius-panel);
  font-size: var(--text-small);
}

.scd-faq__intro {
  width: 50%;
  min-width: 0;
  max-width: 44ch;
}

.scd-faq__items {
  width: 75%;
  min-width: 0;
  max-width: 51.25rem;
  margin-block-start: var(--space-8);
}

.scd-faq__items details {
  margin: 0 0 var(--space-3);
  border: 1px solid var(--color-line-dark);
  border-radius: var(--radius-control);
  background: rgb(8 12 20 / 0.32);
}

.scd-faq__items summary {
  min-height: 3.25rem;
  padding: var(--space-3) var(--space-4);
}

.scd-faq__items details > :not(summary) {
  padding: 0 var(--space-4) var(--space-4);
}

.scd-faq__items details p {
  max-width: 54ch;
  margin: 0;
}

.scd-final {
  padding-block: var(--space-28);
}

.scd-final__panel {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 31rem;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgb(145 184 163 / 0.38);
  border-radius: var(--radius-hero);
  background: var(--color-forest-800);
}

.scd-final__panel::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgb(8 12 20 / 0.93), rgb(23 60 56 / 0.82), rgb(8 12 20 / 0.94));
  content: "";
}

.scd-final__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  opacity: 0.48;
}

.scd-final__content {
  position: relative;
  z-index: 1;
  display: flex;
  width: min(100% - 3rem, 42.5rem);
  min-width: 0;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-16);
  text-align: center;
}

.scd-final__content h2,
.scd-final__content p,
.scd-final__content small {
  margin: 0;
}

.scd-final__content h2 {
  max-width: 16ch;
}

.scd-final__content p {
  max-width: 36ch;
}

.scd-final__content small {
  max-width: 48ch;
  color: var(--color-text-muted);
}

@media (max-width: 63.9375rem) {
  .scd-hero {
    padding-block: var(--space-22);
  }

  .scd-hero__grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .scd-hero__copy {
    grid-column: 1 / span 4;
    max-width: 42ch;
  }

  .scd-hero__figure {
    grid-column: 5 / span 4;
    width: 100%;
    min-width: 20rem;
  }

  .scd-overview__grid,
  .scd-table__grid,
  .scd-layers__grid,
  .scd-challenges__grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .scd-overview__intro { grid-column: 1 / span 4; }
  .scd-overview__notes { grid-column: 5 / span 4; }
  .scd-number-note--offset { margin-inline-start: 0; }

  .scd-table__copy,
  .scd-table__figure {
    grid-column: 1 / -1;
    max-width: none;
  }

  .scd-table__figure { order: -1; }

  .scd-layers__intro { grid-column: 1 / span 6; }
  .scd-layers__meta { grid-column: 7 / span 2; }
  .scd-layer--one,
  .scd-layer--two,
  .scd-layer--three { grid-column: 1 / -1; }

  .scd-challenges__copy,
  .scd-checklist { grid-column: 1 / -1; max-width: none; }

  .scd-readers__intro,
  .scd-preview__intro,
  .scd-before__intro,
  .scd-faq__intro { width: 75%; }

  .scd-readers__panels { grid-template-columns: 1fr; }
  .scd-preview__figures { grid-template-columns: repeat(8, minmax(0, 1fr)); }
  .scd-preview__main { grid-column: 1 / -1; }
  .scd-preview__side { grid-column: 1 / -1; width: min(100%, 38.75rem); margin: 0; }

  .scd-before__columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scd-before-card--notice { grid-column: 1 / -1; }
  .scd-faq__items { width: 100%; }
}

@media (max-width: 47.9375rem) {
  .scd-hero { padding-block: var(--space-16); }
  .scd-hero::after { width: 20rem; height: 20rem; opacity: 0.55; }

  .scd-hero__grid,
  .scd-overview__grid,
  .scd-table__grid,
  .scd-layers__grid,
  .scd-challenges__grid,
  .scd-preview__figures,
  .scd-before__columns {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-8);
  }

  .scd-hero__copy,
  .scd-hero__figure,
  .scd-overview__intro,
  .scd-overview__notes,
  .scd-table__copy,
  .scd-table__figure,
  .scd-layers__intro,
  .scd-layers__meta,
  .scd-layer--one,
  .scd-layer--two,
  .scd-layer--three,
  .scd-challenges__copy,
  .scd-checklist,
  .scd-preview__main,
  .scd-preview__side,
  .scd-before-card,
  .scd-before-card--notice {
    grid-column: 1;
    min-width: 0;
  }

  .scd-hero__copy { max-width: 34ch; }
  .scd-hero__figure { width: min(100%, 28.75rem); min-width: 0; justify-self: center; margin: 0; }
  .scd-hero__actions { align-items: stretch; }
  .scd-hero__actions .scd-text-link { align-self: flex-start; }

  .scd-overview__intro { max-width: 38ch; }
  .scd-overview__notes { gap: var(--space-6); }
  .scd-number-note { grid-template-columns: 2rem minmax(0, 1fr); gap: var(--space-3); }
  .scd-number-note p { max-width: 44ch; }

  .scd-table__figure { order: 0; }
  .scd-table__copy { max-width: 46ch; }

  .scd-readers__intro,
  .scd-preview__intro,
  .scd-before__intro,
  .scd-faq__intro { width: 100%; }

  .scd-reader-panel { padding: var(--space-6); }
  .scd-readers__panels { gap: var(--space-4); margin-block-start: var(--space-8); }

  .scd-layers__grid { gap: var(--space-4); }
  .scd-layers__meta { display: none; }
  .scd-layer { padding: var(--space-6); }
  .scd-layer--one { padding-inline: 0; }

  .scd-checklist { padding: var(--space-4); }
  .scd-checklist__item { min-height: 3.25rem; }

  .scd-preview__figures { margin-block-start: var(--space-8); }
  .scd-preview__side { width: 100%; }

  .scd-before__columns { gap: var(--space-6); }
  .scd-before-card--notice { padding: var(--space-4); }

  .scd-faq__items { margin-block-start: var(--space-6); }
  .scd-faq__items summary { padding-inline: var(--space-3); }
  .scd-faq__items details > :not(summary) { padding-inline: var(--space-3); }

  .scd-final { padding-block: var(--space-16); }
  .scd-final__panel { min-height: 0; border-radius: var(--radius-panel); }
  .scd-final__image { opacity: 0.2; }
  .scd-final__panel::after { background: linear-gradient(135deg, rgb(8 12 20 / 0.96), rgb(23 60 56 / 0.91)); }
  .scd-final__content { width: min(100% - 2.5rem, 42.5rem); gap: var(--space-6); padding-block: var(--space-16); }
  .scd-final__content .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .scd-gallery-frame:hover { transform: none; }
}