:root {
  --bg: #f7f4ee;
  --bg-strong: #fcfbf8;
  --panel: rgba(255, 255, 255, 0.84);
  --panel-strong: rgba(255, 255, 255, 0.94);
  --line: rgba(63, 43, 24, 0.12);
  --text: #261a11;
  --muted: #766455;
  --accent: #9b7a52;
  --accent-strong: #7b5a35;
  --shadow-soft: 0 18px 60px rgba(48, 34, 18, 0.08);
  --shadow-card: 0 22px 80px rgba(48, 34, 18, 0.12);
  --shadow-glow: 0 18px 46px rgba(155, 122, 82, 0.14);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(196, 165, 129, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(199, 174, 144, 0.16), transparent 32%),
    linear-gradient(180deg, var(--bg-strong) 0%, var(--bg) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  width: min(calc(100% - 28px), var(--container));
  margin: 0 auto;
  padding: 22px 0 28px;
}

.intro-shell {
  min-height: 100vh;
  display: grid;
  align-items: center;
}

.timeline-shell {
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 22px;
}

.timeline-topbar {
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 3vw, 3rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 30px;
  align-items: stretch;
}

.intro-copy,
.intro-visual-card,
.viewer-card {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
}

.intro-copy {
  border-radius: var(--radius-xl);
  padding: clamp(28px, 5vw, 54px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.intro-title {
  font-size: clamp(2.7rem, 6vw, 5.2rem);
}

.intro-text,
#sceneText {
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.75;
  color: var(--muted);
}

.intro-text {
  margin-top: 22px;
  max-width: 54ch;
}

.intro-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
}

.primary-button,
.secondary-button,
.ghost-button,
.nav-button,
.circle-button {
  border: 0;
  transition: transform 0.22s ease, background-color 0.22s ease, border-color 0.22s ease, color 0.22s ease, box-shadow 0.22s ease;
  cursor: pointer;
}

.primary-button,
.ghost-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 999px;
}

.primary-button {
  background: var(--accent-strong);
  color: #fff;
  box-shadow: 0 14px 30px rgba(123, 90, 53, 0.24);
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.nav-button:hover,
.circle-button:hover {
  transform: translateY(-1px);
}

.ghost-button,
.secondary-button {
  background: var(--panel-strong);
  color: var(--text);
  border: 1px solid var(--line);
}

.circle-button,
.nav-button {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  background: var(--panel-strong);
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.back-link {
  flex-shrink: 0;
}

.intro-visual-card {
  border-radius: var(--radius-xl);
  padding: 18px;
  display: flex;
}

.intro-visual-frame {
  position: relative;
  width: 100%;
  min-height: 560px;
  border-radius: calc(var(--radius-xl) - 10px);
  overflow: hidden;
  background: #e9dfd0;
}

.intro-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intro-image-overlay {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 20px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.28), rgba(255,255,255,0.72));
  backdrop-filter: blur(10px);
}

.intro-image-overlay span {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.intro-image-overlay strong {
  font-size: 1.1rem;
  font-weight: 600;
}

.timeline-toolbar {
  position: sticky;
  top: 10px;
  z-index: 10;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
  padding: 10px;
  border: 1px solid rgba(63, 43, 24, 0.08);
  border-radius: 28px;
  background: rgba(252, 251, 248, 0.84);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
}

.dates-rail-wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-strong);
}

.dates-rail {
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.dates-rail::-webkit-scrollbar {
  display: none;
}

.date-pill {
  flex: 0 0 auto;
  white-space: nowrap;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.22s ease;
}

.date-pill:hover,
.date-pill:focus-visible {
  color: var(--text);
  border-color: rgba(123, 90, 53, 0.18);
  outline: none;
}

.date-pill.is-active {
  background: rgba(123, 90, 53, 0.1);
  color: var(--accent-strong);
  border-color: rgba(123, 90, 53, 0.24);
}

.viewer-card {
  border-radius: var(--radius-xl);
  padding: 18px;
}

.scene-stage {
  position: relative;
}

.scene-stage::after {
  content: "Swipe or use arrows";
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 3;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(63, 43, 24, 0.08);
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
  pointer-events: none;
}

.scene-frame {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  min-height: 60vh;
  max-height: 760px;
  aspect-ratio: 16 / 10;
  background: linear-gradient(180deg, #efe4d1 0%, #d6bea0 100%);
  box-shadow: inset 0 0 0 1px rgba(53, 36, 20, 0.06);
  isolation: isolate;
}

.scene-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  opacity: 1;
  filter: saturate(0.96) contrast(1.02);
  transition: transform 0.95s cubic-bezier(.22,.61,.36,1), opacity 0.42s ease, filter 0.42s ease;
}

.scene-frame.is-switching .scene-image {
  opacity: 0.12;
  transform: scale(1.06);
  filter: saturate(0.92) blur(1.5px);
}

.scene-image-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(26,18,11,0.08) 72%, rgba(26,18,11,0.16) 100%),
    radial-gradient(circle at center, transparent 0%, rgba(16,11,7,0.06) 78%, rgba(16,11,7,0.14) 100%);
  pointer-events: none;
}

.scene-date {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 20px;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(255, 252, 246, 0.96);
  text-shadow: 0 10px 40px rgba(16, 12, 8, 0.36);
  pointer-events: none;
  transform: scale(1);
  opacity: 1;
  transition: transform 0.55s ease, opacity 0.34s ease;
}

.scene-frame.is-switching .scene-date {
  opacity: 0;
  transform: scale(0.96);
}

.scene-caption {
  display: grid;
  gap: 12px;
  padding: 24px 8px 6px;
}

.viewer-card.is-gesture .scene-frame {
  cursor: grabbing;
}

.caption-meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.mobile-controls {
  display: none;
  gap: 10px;
  margin-top: 14px;
}

@media (max-width: 980px) {
  .intro-grid {
    grid-template-columns: 1fr;
  }

  .intro-visual-frame {
    min-height: 380px;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 14px), var(--container));
    padding-top: 10px;
    padding-bottom: 18px;
  }

  .topbar {
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
  }

  .intro-copy,
  .intro-visual-card,
  .viewer-card {
    border-radius: 22px;
  }

  .intro-copy,
  .viewer-card {
    padding: 14px;
  }

  .intro-visual-card {
    padding: 12px;
  }

  .intro-visual-frame,
  .scene-frame {
    border-radius: 18px;
  }

  .intro-title {
    font-size: clamp(2.5rem, 13vw, 4rem);
    line-height: 0.92;
  }

  .intro-text,
  #sceneText {
    font-size: 0.98rem;
    line-height: 1.65;
  }

  .intro-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .primary-button {
    flex: 1 1 auto;
    min-width: 0;
  }

  .timeline-topbar {
    flex-direction: row;
    align-items: center;
  }

  .timeline-topbar h1 {
    font-size: 2rem;
  }

  .back-link {
    padding: 12px 14px;
  }

  .timeline-toolbar {
    top: 6px;
    gap: 10px;
    padding: 8px;
    border-radius: 22px;
    grid-template-columns: 1fr;
  }

  .timeline-toolbar > .nav-button {
    display: none;
  }

  .dates-rail-wrap {
    border-radius: 18px;
  }

  .dates-rail {
    padding: 8px;
    gap: 6px;
  }

  .date-pill {
    font-size: 12px;
    padding: 10px 12px;
  }

  .scene-frame {
    min-height: 42vh;
    aspect-ratio: 4 / 5;
  }

  .scene-stage::after {
    right: 12px;
    bottom: 12px;
    font-size: 10px;
    padding: 7px 10px;
  }

  .scene-date {
    font-size: clamp(2.6rem, 13vw, 4.2rem);
    padding: 14px;
  }

  .scene-caption {
    gap: 10px;
    padding: 16px 2px 2px;
  }

  .caption-meta {
    font-size: 11px;
    letter-spacing: 0.16em;
  }

  #sceneTitle {
    font-size: clamp(2rem, 9vw, 3rem);
    line-height: 0.94;
  }

  .mobile-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .secondary-button {
    padding: 14px 16px;
  }
}

@media (hover: none) {
  .date-pill:hover {
    background: transparent;
    color: var(--muted);
    border-color: transparent;
  }
}

.scene-media{max-height:58vh!important;}
@media(max-width:768px){.scene-media{max-height:42vh!important;}}
.scene-copy,.scene-meta,.scene-title,.scene-text{display:none!important;}


.dates-rail-wrap {
  position: relative;
  padding-left: 56px;
}

.rail-start-icon {
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(63, 43, 24, 0.12);
  box-shadow: 0 10px 24px rgba(48, 34, 18, 0.08);
  overflow: hidden;
}

.rail-start-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 3px;
}

.scene-image {
  object-fit: cover;
}

.scene-image.is-photo {
  object-fit: contain;
  transform: scale(1) !important;
  background: linear-gradient(180deg, #e5e0d5 0%, #d9ddd3 100%);
  padding: 16px;
}

.nav-button:disabled,
.secondary-button:disabled {
  opacity: 0.42;
  cursor: default;
  transform: none !important;
  box-shadow: none !important;
}

@media (max-width: 768px) {
  .dates-rail-wrap {
    padding-left: 48px;
  }

  .rail-start-icon {
    left: 4px;
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }
}


/* v9 timeline intro icon + exact guitar image */
.dates-rail-wrap {
  position: relative;
  padding-left: 56px;
}

.rail-start-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  padding: 0;
  display: grid;
  place-items: center;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  cursor: pointer;
  overflow: visible;
}

.rail-start-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0;
}

.rail-start-icon.is-active {
  transform: translateY(-50%) scale(1.02);
}

.scene-image {
  object-fit: cover;
}

.scene-image.is-photo {
  object-fit: contain;
  transform: none !important;
  background: transparent;
  padding: 0;
}

.scene-image-scrim.is-hidden,
.scene-caption.is-hidden {
  display: none;
}

.viewer-card.is-intro {
  border: 0;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
  padding: 0;
}

.scene-frame.is-intro {
  width: min(384px, 100%);
  min-height: 0;
  max-height: none;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  border-radius: 0;
  overflow: visible;
  background: transparent;
  box-shadow: none;
  isolation: auto;
}

.scene-frame.is-intro .scene-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: none !important;
  filter: none;
  background: transparent;
  padding: 0;
}

.scene-frame.is-intro .scene-date {
  display: none;
}

.viewer-card.is-intro .scene-stage::after {
  display: none;
}

@media (max-width: 768px) {
  .dates-rail-wrap {
    padding-left: 48px;
  }

  .rail-start-icon {
    left: 8px;
    width: 30px;
    height: 30px;
  }

  .scene-frame.is-intro {
    width: min(384px, 100%);
  }
}


/* v10 keep the same background for intro guitar scene */
.viewer-card.is-intro {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
  padding: 18px;
}

.scene-frame.is-intro {
  width: 100%;
  min-height: 60vh;
  max-height: 760px;
  aspect-ratio: 16 / 10;
  margin: 0;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(180deg, #efe4d1 0%, #d6bea0 100%);
  box-shadow: inset 0 0 0 1px rgba(53, 36, 20, 0.06);
  isolation: isolate;
  display: block;
  position: relative;
}

.scene-frame.is-intro .scene-image {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(384px, calc(100% - 120px));
  height: min(384px, calc(100% - 120px));
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transform: translate(-50%, -50%) !important;
  filter: none;
  background: transparent;
  padding: 0;
}

.viewer-card.is-intro .scene-stage::after {
  display: block;
}

@media (max-width: 720px) {
  .viewer-card.is-intro {
    padding: 14px;
  }

  .scene-frame.is-intro {
    min-height: 42vh;
    aspect-ratio: 4 / 5;
    border-radius: 18px;
  }

  .scene-frame.is-intro .scene-image {
    width: min(384px, calc(100% - 40px));
    height: min(384px, calc(100% - 40px));
  }
}


/* v11 gradient background + smaller scene frame */
.scene-frame {
  width: 50%;
  margin: 0 auto;
  background: linear-gradient(135deg, #f4f1d8 0%, #ddd19d 55%, #b7884f 100%);
}

.scene-frame.is-intro {
  width: 50%;
  margin: 0 auto;
  background: linear-gradient(135deg, #f4f1d8 0%, #ddd19d 55%, #b7884f 100%);
}

@media (max-width: 980px) {
  .scene-frame,
  .scene-frame.is-intro {
    width: 70%;
  }
}

@media (max-width: 720px) {
  .scene-frame,
  .scene-frame.is-intro {
    width: 100%;
  }
}