/* Deck + Slide — esqueleto co-locado (v2: sin utilities). */

/* --- Slide ------------------------------------------------ */
.sd-slide {
  position: relative;
  display: flex;
  min-height: 100vh;
  width: 100%;
  scroll-snap-align: start;
  overflow: hidden;
  padding-inline: clamp(24px, 6vw, 128px);
  padding-block: clamp(56px, 8vh, 96px);
}
.sd-slide__body {
  position: relative;
  z-index: 1;
  display: flex;
  width: 100%;
  flex-direction: column;
  justify-content: center;
}
.sd-slide__body--start {
  justify-content: flex-start;
  padding-top: clamp(64px, 9vh, 128px);
}
.sd-slide__body--end {
  justify-content: flex-end;
  padding-bottom: clamp(64px, 9vh, 128px);
}
/* Sin tope en px: el contenedor es fluido y la medida de lectura
   la ponen las clases de porcentaje y las columnas de grid. */
.sd-slide__inner {
  margin-inline: auto;
  width: 100%;
}

/* --- Deck chrome ------------------------------------------ */
.sd-deck {
  position: relative;
}
.sd-deck__progress {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 50;
  height: 3px;
  transform-origin: left;
  background: var(--accent-500);
}
.sd-deck__nav {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: none;
  flex-direction: column;
  gap: var(--space-2);
}
@media (min-width: 768px) {
  .sd-deck__nav {
    display: flex;
  }
}
.sd-deck__item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
}
.sd-deck__item--break {
  margin-top: var(--space-2);
}
.sd-deck__block {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--ink-400);
}
.sd-deck__block--inverse {
  color: rgba(255, 255, 255, 0.4);
}
/* El acento como estado activo solo sobre oscuro; sobre papel, tinta (RULES.md → Chrome) */
.sd-deck__dash {
  height: 6px;
  width: 18px;
  border-radius: var(--radius-xs);
  background: var(--ink-200);
  transition: background var(--dur-short) var(--ease-out);
  cursor: pointer;
}
.sd-deck__dash:hover:not(.sd-deck__dash--active) {
  background: var(--ink-400);
}
.sd-deck__dash--active {
  background: var(--ink-900);
}
.sd-deck__dash--inverse {
  background: rgba(255, 255, 255, 0.2);
}
.sd-deck__dash--inverse:hover:not(.sd-deck__dash--active) {
  background: rgba(255, 255, 255, 0.4);
}
.sd-deck__dash--inverse.sd-deck__dash--active {
  background: var(--accent-500);
}
.sd-deck__meta {
  pointer-events: none;
  position: fixed;
  left: clamp(24px, 6vw, 128px);
  top: 24px;
  z-index: 40;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-400);
}
.sd-deck__meta--inverse {
  color: rgba(255, 255, 255, 0.55);
}