:root {
  color: #f6f1e7;
  background: #11100f;
  color-scheme: dark;
  font-family: "Avenir Next", Avenir, "Helvetica Neue", sans-serif;
  --crossfade-duration: 3.2s;
}

* {
  box-sizing: border-box;
}

html,
body,
#stage {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #11100f;
}

#stage {
  position: relative;
  isolation: isolate;
}

.slide-layer {
  position: absolute;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--crossfade-duration) cubic-bezier(0.45, 0, 0.55, 1);
  will-change: opacity;
}

.slide-layer.active {
  z-index: 1;
  opacity: 1;
}

.slide-backdrop {
  position: absolute;
  inset: -8%;
  width: 116%;
  height: 116%;
  object-fit: cover;
  filter: blur(50px) saturate(0.78) brightness(0.35);
  transform: scale(1.04);
}

.slide-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transform: scale(1);
  transform-origin: center;
}

.slide-layer.title-slide .slide-backdrop {
  display: none;
}

.slide-layer.title-slide .slide-photo {
  object-fit: cover;
  transform: scale(1.015);
}

.slide-layer.title-slide.active .slide-photo {
  animation: title-drift 14s ease-out both;
}

.shade {
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgb(0 0 0 / 0.08), transparent 35%),
    linear-gradient(0deg, rgb(0 0 0 / 0.42), transparent 36%);
}

.title-slide .shade {
  background:
    radial-gradient(circle at 50% 36%, rgb(199 168 117 / 0.12), transparent 32%),
    linear-gradient(rgb(11 9 7 / 0.44), rgb(11 9 7 / 0.64));
}

.title-copy {
  position: absolute;
  z-index: 4;
  inset: 0;
  display: none;
  place-content: center;
  padding: 8vw;
  text-align: center;
  text-shadow: 0 2px 24px rgb(0 0 0 / 0.62);
}

.title-slide .title-copy {
  display: grid;
}

.eyebrow,
.title-subtitle,
.slide-chapter {
  margin: 0;
  color: #d7bb8a;
  font-size: clamp(0.9rem, 1.25vw, 1.8rem);
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.title-heading {
  max-width: 14ch;
  margin: 0.3em auto;
  font-family: Didot, "Bodoni 72", "Times New Roman", serif;
  font-size: clamp(3.5rem, 8vw, 10rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.9;
}

.dedication-slide .title-heading {
  max-width: 24ch;
  margin-top: 0.75em;
  font-size: clamp(2.2rem, 4vw, 5.4rem);
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.dedication-slide .title-eyebrow {
  font-family: Didot, "Bodoni 72", "Times New Roman", serif;
  font-size: clamp(1.8rem, 2.6vw, 3.8rem);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

.slide-caption {
  position: absolute;
  z-index: 5;
  right: max(2rem, 3.5vw);
  bottom: max(1.7rem, 3vw);
  display: none;
  max-width: min(32rem, 45vw);
  padding: 0.8rem 1rem 0.75rem;
  border-right: 2px solid rgb(215 187 138 / 0.7);
  background: linear-gradient(90deg, transparent, rgb(0 0 0 / 0.42));
  text-align: right;
  text-shadow: 0 2px 16px rgb(0 0 0 / 0.82);
}

.photo-slide.has-caption .slide-caption {
  display: block;
}

.slide-caption-text {
  margin: 0.22em 0 0;
  color: rgb(255 255 255 / 0.82);
  font-family: "Avenir Next", Avenir, "Helvetica Neue", sans-serif;
  font-size: clamp(0.72rem, 0.9vw, 1.05rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.slide-caption-text:empty {
  display: none;
}

.slide-date {
  margin: 0.45em 0 0;
  color: rgb(255 255 255 / 0.72);
  font-size: clamp(0.7rem, 0.82vw, 0.95rem);
  letter-spacing: 0.08em;
}

.status {
  position: absolute;
  z-index: 12;
  top: 2rem;
  right: 2rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid rgb(255 255 255 / 0.15);
  border-radius: 99px;
  background: rgb(0 0 0 / 0.35);
  color: rgb(255 255 255 / 0.7);
  font-size: 0.8rem;
  opacity: 0;
  transition: opacity 500ms ease;
}

.status.visible {
  opacity: 1;
}

.nav-button {
  position: absolute;
  z-index: 12;
  top: 50%;
  width: 3.5rem;
  height: 5rem;
  border: 0;
  padding: 0;
  background: rgb(0 0 0 / 0.18);
  color: rgb(255 255 255 / 0.45);
  font-family: "Helvetica Neue", sans-serif;
  font-size: 3rem;
  line-height: 1;
  opacity: 0.2;
  transform: translateY(-50%);
  transition: opacity 300ms ease, background 300ms ease;
}

.nav-button:hover,
.nav-button:focus-visible {
  background: rgb(0 0 0 / 0.5);
  color: white;
  opacity: 1;
}

.nav-previous {
  left: 1rem;
}

.nav-next {
  right: 1rem;
}

.controls {
  position: fixed;
  z-index: 20;
  right: 1.25rem;
  bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem;
  border: 1px solid rgb(255 255 255 / 0.18);
  border-radius: 1rem;
  background: rgb(17 16 15 / 0.82);
  backdrop-filter: blur(20px);
}

.controls.hidden {
  display: none;
}

button,
select {
  border: 1px solid rgb(255 255 255 / 0.2);
  border-radius: 0.55rem;
  padding: 0.55rem 0.75rem;
  background: #282521;
  color: white;
  font: inherit;
}

label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: rgb(255 255 255 / 0.75);
  font-size: 0.85rem;
}

@keyframes title-drift {
  from { transform: scale(1.015); }
  to { transform: scale(1.045); }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --crossfade-duration: 250ms;
  }

  .slide-layer.title-slide.active .slide-photo {
    animation: none;
  }
}