/* ============================================================
   components.css — Loader, HUD, Intro, Chapters, Finale, Controls
   ============================================================ */

/* ---------- Loader ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  display: grid;
  place-items: center;
  background: var(--color-ink-0);
  transition: opacity 0.9s var(--ease-out), visibility 0.9s;
}

.loader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__inner { text-align: center; }

.loader__ring {
  width: 74px;
  height: 74px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  border: 2px solid rgba(232, 205, 160, 0.18);
  border-top-color: var(--color-gold);
  animation: spin 1.1s linear infinite;
}

.loader__text {
  color: var(--color-text-faint);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: var(--text-tiny);
}

/* ---------- HUD: progress rail ---------- */
.progress-rail {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  z-index: var(--z-hud);
  background: rgba(245, 236, 221, 0.08);
  opacity: 0;
  transition: opacity 1s var(--ease-out) 0.4s;
}

.progress-rail.is-visible { opacity: 1; }

.progress-rail__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-gold-2), var(--color-rose));
  box-shadow: 0 0 12px rgba(232, 205, 160, 0.55);
}

.progress-rail__dot {
  position: absolute;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-cream);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 14px 2px rgba(232, 205, 160, 0.5);
}

/* ---------- HUD: chapter ticks ---------- */
.chapter-ticks {
  position: fixed;
  right: var(--gutter);
  top: 50%;
  transform: translateY(-50%);
  z-index: var(--z-hud);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  opacity: 0;
  transition: opacity 1s var(--ease-out) 1.2s;
}

.chapter-ticks.is-visible { opacity: 1; }

.chapter-ticks .tick {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(245, 236, 221, 0.22);
  transition: background 0.4s, transform 0.4s, box-shadow 0.4s;
}

.chapter-ticks .tick.is-active {
  background: var(--color-gold);
  transform: scale(1.45);
  box-shadow: 0 0 12px 2px rgba(232, 205, 160, 0.5);
}

/* ---------- Audio controls ---------- */
.audio-controls {
  position: fixed;
  top: calc(var(--sp-2) + env(safe-area-inset-top, 0px));
  right: var(--gutter);
  z-index: var(--z-hud);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.audio-controls.is-visible { opacity: 1; transform: none; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.95rem;
  border: 1px solid rgba(245, 236, 221, 0.22);
  border-radius: 999px;
  background: rgba(11, 10, 18, 0.5);
  backdrop-filter: blur(8px);
  color: var(--color-text-soft);
  font-size: var(--text-small);
  letter-spacing: 0.12em;
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}

.icon-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-cream);
  background: rgba(11, 10, 18, 0.75);
}

.icon-btn .icon { width: 18px; height: 18px; fill: currentColor; stroke: currentColor; stroke-width: 1.6; }
.icon-btn .icon-muted { display: none; }

.icon-btn[aria-pressed="true"] .icon-sound { display: none; }
.icon-btn[aria-pressed="true"] .icon-muted { display: block; }

/* ---------- Intro scene ---------- */
.scene {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-5) var(--gutter);
  overflow: hidden;
}

.intro { text-align: center; }

.intro.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 1.2s var(--ease-out), visibility 1.2s;
}

.intro__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 50% 45%, rgba(232, 205, 160, 0.14) 0%, transparent 70%),
    radial-gradient(40% 40% at 75% 20%, rgba(227, 167, 160, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.intro__content {
  position: relative;
  z-index: 1;
  animation: introRise 1.8s var(--ease-out) both;
}

.intro__kicker {
  font-size: var(--text-small);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-3);
  animation: letterIn 1.4s var(--ease-out) 0.4s both;
}

.intro__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-hero);
  line-height: 1.04;
  letter-spacing: var(--letter-spacing-display);
  background: linear-gradient(120deg, var(--color-cream) 20%, var(--color-gold) 60%, var(--color-rose-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--sp-2);
  animation: letterIn 1.6s var(--ease-out) 0.6s both;
}

.intro__subtitle {
  font-size: var(--text-lead);
  color: var(--color-text-soft);
  margin-bottom: var(--sp-4);
  animation: letterIn 1.6s var(--ease-out) 0.85s both;
}

.intro__hint {
  position: absolute;
  bottom: calc(var(--sp-4) + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-faint);
  font-size: var(--text-tiny);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  white-space: nowrap;
  animation: hintFloat 2.6s ease-in-out infinite;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.95rem 2.4rem;
  border-radius: 999px;
  font-size: var(--text-body);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), background 0.4s;
}

.btn--primary {
  color: var(--color-ink-1);
  background: linear-gradient(120deg, var(--color-gold), var(--color-gold-2));
  box-shadow: 0 12px 40px -12px rgba(232, 205, 160, 0.55);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 50px -12px rgba(232, 205, 160, 0.7);
}

/* ---------- Timeline & chapters ---------- */
.timeline {
  position: relative;
  z-index: var(--z-timeline);
}

.chapter {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--sp-5) var(--gutter) var(--sp-5);
  max-width: var(--scene-max-width);
  margin: 0 auto;
}

.chapter__header {
  margin-bottom: var(--sp-4);
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}

.chapter.is-in-view .chapter__header { opacity: 1; transform: none; }

.chapter__index {
  font-size: var(--text-tiny);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-1);
}

.chapter__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-title);
  line-height: 1.1;
  margin-bottom: var(--sp-2);
}

.chapter__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.4rem;
  color: var(--color-text-faint);
  font-size: var(--text-small);
  letter-spacing: 0.08em;
}

.chapter__meta span b { color: var(--color-text-soft); font-weight: 500; }

/* ---------- Story body ---------- */
.chapter__body {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--sp-5);
  align-items: start;
}

.chapter__story p {
  font-size: var(--text-lead);
  color: var(--color-text);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.1s var(--ease-out), transform 1.1s var(--ease-out);
}

.chapter.is-in-view .chapter__story p { opacity: 1; transform: none; }

.chapter__story p + p { margin-top: 1.1em; }

.chapter__special {
  grid-column: 1 / -1;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.1s var(--ease-out) 0.2s, transform 1.1s var(--ease-out) 0.2s;
}

/* Text-only chapters (no media column): let the story breathe full width. */
.chapter__body:not(:has(.chapter__media)) .chapter__story {
  grid-column: 1 / -1;
}

.chapter.is-in-view .chapter__special { opacity: 1; transform: none; }

.chapter__special h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-chapter);
  color: var(--color-gold);
  margin-bottom: var(--sp-2);
}

.chapter__special ul { list-style: none; }

.chapter__special li {
  position: relative;
  padding-left: 1.4em;
  margin-bottom: 0.7em;
  color: var(--color-text-soft);
}

.chapter__special li::before {
  content: "✦";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-rose);
  font-size: 0.8em;
}

/* ---------- Media ---------- */
.chapter__media {
  position: relative;
  display: grid;
  gap: var(--sp-2);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
  grid-auto-rows: 1fr;
}

.media-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: var(--color-ink-2);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: scale(0.96) translateY(14px);
  transition: opacity 1.2s var(--ease-out), transform 1.2s var(--ease-out), box-shadow 0.6s;
}

.chapter.is-in-view .media-item { opacity: 1; transform: none; }

.media-item:hover { box-shadow: var(--shadow-card); }

.media-item img,
.media-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-item--hero {
  border-radius: 5px;
  grid-column: 1 / -1;
}

.media-item--hero img,
.media-item--hero video {
  aspect-ratio: var(--hero-ratio);
  object-fit: cover;
  animation: kenburns 16s ease-out both;
}

.media-item--video video { cursor: pointer; }

.media-item__badge {
  position: absolute;
  left: var(--sp-2);
  bottom: var(--sp-2);
  z-index: 2;
  font-size: var(--text-tiny);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-cream);
  background: rgba(11, 10, 18, 0.55);
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.media-item__play {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  background: rgba(6, 5, 10, 0.25);
  transition: background 0.4s;
}

.media-item__play svg {
  width: 54px;
  height: 54px;
  fill: rgba(245, 236, 221, 0.9);
  filter: drop-shadow(0 4px 18px rgba(0, 0, 0, 0.6));
  transition: transform 0.4s var(--ease-out);
}

.media-item__play:hover { background: rgba(6, 5, 10, 0.4); }
.media-item__play:hover svg { transform: scale(1.12); }

/* ---------- Finale ---------- */
.finale { flex-direction: column; gap: var(--sp-4); text-align: center; }

.finale__frame {
  position: relative;
  width: min(64vw, 46rem);
  aspect-ratio: var(--hero-ratio);
  overflow: hidden;
  border-radius: 6px;
  box-shadow: var(--ring-gold), var(--shadow-card);
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 2.4s var(--ease-out), transform 2.4s var(--ease-out);
}

.finale.is-visible .finale__frame { opacity: 1; transform: none; }

.finale__hero {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: kenburns 18s ease-out both;
}

.finale__caption {
  position: absolute;
  left: var(--sp-3);
  bottom: var(--sp-3);
  color: var(--color-cream);
  font-size: var(--text-small);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
}

.finale__card {
  max-width: var(--content-max);
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 1.6s var(--ease-out) 1.4s, transform 1.6s var(--ease-out) 1.4s;
}

.finale.is-visible .finale__card { opacity: 1; transform: none; }

.finale__kicker {
  font-size: var(--text-small);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--color-rose);
  margin-bottom: var(--sp-2);
}

.finale__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-title);
  margin-bottom: var(--sp-3);
}

.finale__message {
  font-family: var(--font-display);
  font-size: var(--text-lead);
  line-height: 1.9;
  color: var(--color-text-soft);
  white-space: pre-line;
}

.finale__message .ch {
  opacity: 0;
  display: inline-block;
}

.finale.is-visible .finale__message .ch {
  animation: letterIn 0.6s var(--ease-out) forwards;
}

/* ---------- Nav arrows ---------- */
.nav-arrows {
  position: fixed;
  left: 50%;
  bottom: calc(var(--sp-3) + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  z-index: var(--z-hud);
  display: flex;
  gap: 0.8rem;
  opacity: 0;
  transition: opacity 1s var(--ease-out) 0.5s;
}

.nav-arrows.is-visible { opacity: 1; }

.nav-arrow {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(245, 236, 221, 0.25);
  background: rgba(11, 10, 18, 0.45);
  backdrop-filter: blur(8px);
  color: var(--color-text-soft);
  transition: border-color 0.3s, color 0.3s, background 0.3s, opacity 0.4s;
}

.nav-arrow svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; }

.nav-arrow:hover:not(:disabled) {
  border-color: var(--color-gold);
  color: var(--color-cream);
  background: rgba(11, 10, 18, 0.8);
}

.nav-arrow:disabled { opacity: 0.25; cursor: default; }