:root {
  --primary: #0a0a12;
  --accent: #e94560;
  --text: #f4f0e8;
  --text-dim: rgba(244, 240, 232, 0.65);
  --font-display: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --font-ui: "Inter", system-ui, -apple-system, sans-serif;
  --slide-ms: 1100ms;
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #000;
  color: var(--text);
  font-family: var(--font-display);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.hidden {
  display: none !important;
}

/* ── overlays: grain + vignette ────────────────────────────── */

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 60;
  opacity: 0.08;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.6 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  animation: grain-shift 4s steps(6) infinite;
}

@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  20% { transform: translate(-3%, 2%); }
  40% { transform: translate(2%, -4%); }
  60% { transform: translate(-1%, 3%); }
  80% { transform: translate(4%, 1%); }
  100% { transform: translate(0, 0); }
}

.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  background: radial-gradient(ellipse at center, transparent 35%, rgba(0, 0, 0, 0.55) 100%);
}

/* ── stage + slides ────────────────────────────────────────── */

.stage {
  position: relative;
  height: 100vh;
  width: 100vw;
  perspective: 1800px;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transform: scale(1.04);
  transition:
    opacity var(--slide-ms) var(--ease-out-quart),
    transform 1600ms var(--ease-out-expo);
  overflow: hidden;
}

.slide.active {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
  z-index: 2;
}

/* ── background image layer ────────────────────────────────── */

.bg-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #000;
  transform: scale(1.08);
  filter: brightness(0.78) saturate(1.05);
}

.slide.active .bg-layer {
  animation: kenburns 22s ease-in-out infinite alternate;
}

@keyframes kenburns {
  0% { transform: scale(1.08) translate(0, 0); }
  100% { transform: scale(1.18) translate(-2%, -1.5%); }
}

.bg-tint {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0) 28%, rgba(0, 0, 0, 0) 45%, rgba(0, 0, 0, 0.85) 100%),
    linear-gradient(90deg, color-mix(in srgb, var(--primary) 35%, transparent) 0%, transparent 40%);
}

/* For page slides: blurred full-bleed backdrop under the sharp image + text
   panel. Sharp image is rendered on top by .page-bg-image, with `contain`
   sizing so nothing is ever cropped. */
.page-bg {
  filter: brightness(0.3) saturate(1.3) blur(45px);
}

/* ── LANDSCAPE (default): text left 50%, image right 46%, gradient blends the gap */

.page-bg-image {
  position: absolute;
  top: 5%;
  left: 52%;
  right: 2%;
  bottom: 5%;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
  pointer-events: none;
}

.page-tint {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.65) 32%, rgba(0, 0, 0, 0.15) 56%, rgba(0, 0, 0, 0) 70%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 0.55) 100%);
}

.page-content {
  position: absolute;
  top: 0;
  left: 0;
  right: 50%;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  z-index: 5;
  padding: 5rem 3.5rem 7rem 4.5rem;
  pointer-events: none;
  overflow: hidden;
}

/* ── PORTRAIT / narrow: image top 40%, solid black below, text below image ── */
@media (max-aspect-ratio: 1/1) {
  .page-bg-image {
    top: 0;
    left: 0;
    right: 0;
    bottom: 60%;
    background-size: cover;
    background-position: center 20%;
  }
  .page-tint {
    background: linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.1) 0%,
      rgba(0, 0, 0, 0) 15%,
      rgba(0, 0, 0, 0.6) 32%,
      rgba(0, 0, 0, 0.98) 42%,
      rgba(0, 0, 0, 0.98) 100%
    );
  }
  .page-content {
    top: 40%;
    left: 0;
    right: 0;
    bottom: 0;
    align-items: flex-start;
    justify-content: center;
    padding: 1.5rem 2rem 6rem;
  }
}

/* ── cover ─────────────────────────────────────────────────── */

.cover-bg {
  background-image:
    radial-gradient(ellipse at 30% 30%, color-mix(in srgb, var(--accent) 35%, transparent) 0%, transparent 55%),
    linear-gradient(135deg, var(--primary) 0%, color-mix(in srgb, var(--primary) 70%, black) 100%);
  filter: none;
}

.cover-inner,
.end-inner {
  position: relative;
  z-index: 5;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.kicker {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 2rem;
  opacity: 0;
  transform: translateY(12px);
  animation: rise 1200ms var(--ease-out-expo) 200ms forwards;
}

.cover-inner h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(3rem, 9vw, 8rem);
  line-height: 0.95;
  margin: 0 0 1.75rem;
  letter-spacing: -0.015em;
  text-shadow: 0 4px 40px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: translateY(24px);
  animation: rise 1400ms var(--ease-out-expo) 500ms forwards;
}

.tagline {
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  color: var(--text-dim);
  margin: 0 0 3rem;
  max-width: 36ch;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(16px);
  animation: rise 1400ms var(--ease-out-expo) 900ms forwards;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── CTA button ────────────────────────────────────────────── */

.cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  background: transparent;
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--text) 30%, transparent);
  padding: 1rem 2.25rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 999px;
  overflow: hidden;
  transition:
    color 400ms ease,
    border-color 400ms ease,
    transform 400ms var(--ease-out-quart),
    letter-spacing 400ms ease;
  opacity: 0;
  animation: rise 1400ms var(--ease-out-expo) 1300ms forwards;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-101%);
  transition: transform 600ms var(--ease-out-expo);
  z-index: -1;
}

.cta:hover {
  color: #0a0a12;
  border-color: var(--accent);
  letter-spacing: 0.4em;
  transform: translateY(-2px);
}

.cta:hover::before {
  transform: translateX(0);
}

.cta-arrow {
  display: inline-block;
  transition: transform 400ms var(--ease-out-quart);
}

.cta:hover .cta-arrow {
  transform: translateX(4px);
}

/* ── page slides ───────────────────────────────────────────── */

.page-text {
  pointer-events: auto;
  max-width: 560px;
  width: 100%;
  max-height: 100%;
  overflow-y: auto;
  font-size: clamp(1rem, 1.15vw, 1.2rem);
  line-height: 1.7;
  font-weight: 400;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.9);
  color: var(--text);
  /* Hide the scrollbar chrome; text still scrolls via wheel/touch. */
  scrollbar-width: none;
}
.page-text::-webkit-scrollbar {
  display: none;
}

.page-text p {
  margin: 0 0 1.15em;
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 1000ms var(--ease-out-quart),
    transform 1000ms var(--ease-out-quart);
}

.slide.active .page-text p {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger paragraph reveals on the active slide. */
.slide.active .page-text p:nth-child(1) { transition-delay: 600ms; }
.slide.active .page-text p:nth-child(2) { transition-delay: 850ms; }
.slide.active .page-text p:nth-child(3) { transition-delay: 1100ms; }
.slide.active .page-text p:nth-child(4) { transition-delay: 1350ms; }
.slide.active .page-text p:nth-child(5) { transition-delay: 1600ms; }
.slide.active .page-text p:nth-child(6) { transition-delay: 1850ms; }
.slide.active .page-text p:nth-child(7) { transition-delay: 2100ms; }
.slide.active .page-text p:nth-child(n + 8) { transition-delay: 2350ms; }

.page-text p:first-child::first-letter {
  font-family: var(--font-display);
  font-weight: 700;
  font-style: italic;
  font-size: 4.5em;
  float: left;
  line-height: 0.85;
  margin: 0.08em 0.12em -0.12em 0;
  color: var(--accent);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
}

/* ── end slide ─────────────────────────────────────────────── */

.end-bg {
  background-image:
    radial-gradient(ellipse at 70% 70%, color-mix(in srgb, var(--accent) 25%, transparent) 0%, transparent 60%),
    linear-gradient(225deg, var(--primary) 0%, #000 100%);
  filter: none;
}

.end-inner h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(2.5rem, 7vw, 6rem);
  margin: 0 0 3rem;
  letter-spacing: 0.08em;
  text-shadow: 0 4px 40px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: translateY(24px);
  animation: rise 1400ms var(--ease-out-expo) 400ms forwards;
}

.end-inner .kicker {
  animation-delay: 100ms;
}

.end-inner .cta {
  animation-delay: 800ms;
}

/* ── topbar ────────────────────────────────────────────────── */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text-dim);
  z-index: 80;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0%, transparent 100%);
}

.topbar-title {
  max-width: 50vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topbar-counter {
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

/* ── progress bar ──────────────────────────────────────────── */

.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.06);
  z-index: 90;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, transparent, var(--accent));
  transition: width 600ms var(--ease-out-quart);
}

/* ── HUD ───────────────────────────────────────────────────── */

.hud {
  position: fixed;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.25rem;
  align-items: center;
  background: rgba(10, 10, 18, 0.55);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.4rem;
  border-radius: 999px;
  z-index: 100;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.hud-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  border-radius: 999px;
  transition:
    background 240ms ease,
    color 240ms ease,
    transform 240ms var(--ease-out-quart);
}

.hud-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.hud-btn:active {
  transform: translateY(0) scale(0.95);
}

.hud-btn.play {
  background: var(--accent);
  color: var(--primary);
  width: 48px;
  height: 48px;
  margin: 0 0.15rem;
}

.hud-btn.play:hover {
  background: color-mix(in srgb, var(--accent) 85%, white);
}

/* ── scrubber ──────────────────────────────────────────────── */

.scrubber {
  position: fixed;
  bottom: 5.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(620px, calc(100vw - 3rem));
  z-index: 95;
  font-family: var(--font-ui);
  pointer-events: auto;
  transition: opacity 400ms ease;
}

.scrubber.hidden {
  display: block !important; /* override global .hidden so we can animate */
  opacity: 0;
  pointer-events: none;
}

.scrubber-track {
  position: relative;
  height: 14px;
  display: flex;
  align-items: center;
  cursor: pointer;
}

.scrubber-track::before {
  content: "";
  position: absolute;
  inset: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 2px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 2px;
}

.scrubber-buffered {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 2px;
  width: 0%;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 2px;
  pointer-events: none;
  transition: width 300ms linear;
}

.scrubber-fill {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 2px;
  width: 0%;
  background: var(--accent);
  border-radius: 2px;
  pointer-events: none;
  box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 55%, transparent);
}

.scrubber-handle {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 80%, transparent);
  pointer-events: none;
  opacity: 0;
  transition: opacity 200ms ease;
}

.scrubber:hover .scrubber-handle,
.scrubber-track:active .scrubber-handle {
  opacity: 1;
}

.scrubber-time {
  display: flex;
  justify-content: space-between;
  margin-top: 0.4rem;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

/* ── autoplay-blocked pulse on play button ────────────────── */

.hud-btn.play.needs-click {
  animation: pulse-attention 1.4s ease-in-out infinite;
}

@keyframes pulse-attention {
  0%, 100% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent);
  }
  50% {
    box-shadow: 0 0 0 14px rgba(255, 255, 255, 0);
  }
}

/* ── responsive ────────────────────────────────────────────── */

@media (max-width: 720px) {
  .page-content {
    padding: 1rem 1.5rem 5rem;
  }
  .topbar {
    padding: 1rem 1.25rem;
    font-size: 0.65rem;
  }
  .topbar-title {
    max-width: 45vw;
  }
  .hud {
    bottom: 1rem;
  }
  .scrubber {
    bottom: 4.5rem;
    width: calc(100vw - 2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .slide.active .bg-layer {
    animation: none;
    transform: scale(1);
  }
}