/* ============ LAYOUT ============ */
.deck {
  position: fixed;
  inset: 0;
  background: var(--ink-black);
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  display: none;
  background: var(--parchment-light);
  background-image:
    radial-gradient(ellipse at center, rgba(244, 234, 213, 0.5) 0%, transparent 70%),
    url("../assets/svg/parchment-noise.svg");
  background-size: cover, 600px 600px;
  background-blend-mode: multiply;
  overflow: hidden;
  isolation: isolate;
}

.slide.active { display: block; }

/* Vinětace v rozích */
.slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 80% at 50% 50%, transparent 35%, var(--shadow-warm) 95%),
    radial-gradient(circle at 0% 0%, var(--shadow-deep) 0%, transparent 25%),
    radial-gradient(circle at 100% 0%, var(--shadow-deep) 0%, transparent 25%),
    radial-gradient(circle at 0% 100%, var(--shadow-deep) 0%, transparent 25%),
    radial-gradient(circle at 100% 100%, var(--shadow-deep) 0%, transparent 25%);
  pointer-events: none;
  z-index: 100;
  mix-blend-mode: multiply;
  opacity: 0.55;
}

.slide-inner {
  position: relative;
  width: 100%;
  height: 100%;
  padding: var(--slide-padding);
  z-index: 2;
  display: grid;
}

/* Layouty */
.layout-split {
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-lg);
  align-items: center;
}

.layout-center {
  place-items: center;
  text-align: center;
}

.layout-overlay { /* full bleed image with overlay text */
  grid-template-columns: 1fr;
  align-items: end;
}

.layout-three {
  grid-template-columns: 1fr 1.3fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.layout-stack {
  grid-template-rows: auto 1fr auto;
  gap: var(--space-md);
  align-content: start;
}

/* Common content slots */
.content-block { display: flex; flex-direction: column; gap: var(--space-md); position: relative; z-index: 3; }
.content-block.compact { gap: var(--space-sm); }

.image-frame {
  position: relative;
  display: grid;
  place-items: center;
  z-index: 3;
}

.slide-header {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: var(--space-sm);
}

.slide-num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.4em;
  color: var(--gold-rich);
}