.presentation-body {
  padding-top: 0;
  --accent: var(--gold);
  --text-2: var(--text-soft);
  --text-3: var(--text-muted);
  --shadow-lg: var(--shadow);
}

.presentation-body .site-header {
  width: min(1120px, calc(100vw - 2rem));
}

.presentation-body .presentation-shell {
  padding-top: clamp(2rem, 5vw, 4.25rem);
}

.presentation-body .presentation-slide a,
.presentation-body .presentation-source-list a {
  color: var(--gold, var(--accent));
}

.presentation-shell {
  width: min(1120px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4.25rem) 0;
}

.presentation-hero {
  min-height: min(72svh, 680px);
  display: grid;
  align-content: end;
  gap: 1rem;
  padding: clamp(1.35rem, 4vw, 3rem);
  border: 1px solid rgba(227, 196, 131, 0.16);
  background:
    linear-gradient(135deg, rgba(40, 88, 75, 0.48), transparent 42%),
    linear-gradient(180deg, rgba(227, 196, 131, 0.1), rgba(16, 24, 21, 0.96));
  box-shadow: var(--shadow-lg);
}

.presentation-hero h1 {
  max-width: 11ch;
  font-family: "Newsreader", serif;
  font-size: clamp(3.2rem, 8vw, 7.4rem);
  line-height: 0.94;
  letter-spacing: -0.03em;
}

.presentation-hero p:not(.writing-kicker) {
  max-width: 760px;
  color: var(--text-2);
  font-size: clamp(1rem, 1.55vw, 1.28rem);
  line-height: 1.62;
}

.presentation-slide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.presentation-slide {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.4rem;
  padding: clamp(1.1rem, 2.2vw, 1.6rem);
  border: 1px solid rgba(227, 196, 131, 0.1);
  background:
    linear-gradient(180deg, rgba(227, 196, 131, 0.035), transparent 18%),
    rgba(13, 22, 18, 0.9);
}

.presentation-slide--wide {
  grid-column: span 2;
}

.presentation-slide--accent {
  background:
    linear-gradient(160deg, rgba(220, 192, 135, 0.15), transparent 34%),
    rgba(17, 31, 25, 0.96);
}

.presentation-slide--score {
  justify-content: start;
}

.presentation-slide-number {
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.presentation-section-label {
  margin-top: -1rem;
  color: var(--text-3);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.presentation-slide h2 {
  max-width: 12ch;
  font-family: "Newsreader", serif;
  font-size: clamp(1.85rem, 3vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.presentation-slide p:not(.presentation-slide-number),
.presentation-slide li {
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.7;
}

.presentation-slide ul {
  display: grid;
  gap: 0.55rem;
  padding-left: 1.1rem;
}

.speaker-note {
  margin-top: auto;
  padding: 0.68rem 0.75rem;
  border-left: 2px solid rgba(227, 196, 131, 0.42);
  background: rgba(6, 17, 15, 0.34);
}

.speaker-note summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.speaker-note summary::-webkit-details-marker {
  display: none;
}

.speaker-note span {
  display: block;
  margin-top: 0.36rem;
  color: var(--text-3);
  font-size: 0.76rem;
  line-height: 1.45;
}

.shape-note-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
}

.shape-note-card {
  display: grid;
  justify-items: center;
  gap: 0.32rem;
  padding: 0.8rem 0.55rem;
  border: 1px solid rgba(227, 196, 131, 0.12);
  background: rgba(6, 17, 15, 0.32);
  text-align: center;
}

.shape-note-card strong {
  font-family: "Newsreader", serif;
  font-size: 1.3rem;
  line-height: 1;
}

.shape-note-card small {
  color: var(--text-3);
  font-size: 0.66rem;
  line-height: 1.3;
}

.shape-note {
  display: block;
  width: 34px;
  height: 34px;
  background: var(--text);
}

.shape-note--fa {
  clip-path: polygon(50% 6%, 94% 90%, 6% 90%);
}

.shape-note--sol {
  border-radius: 999px;
}

.shape-note--la {
  border-radius: 4px;
}

.shape-note--mi {
  transform: rotate(45deg) scale(0.86);
}

.book-tile-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
}

.book-tile {
  --book-accent: var(--accent);
  --book-surface: rgba(16, 26, 22, 0.82);
  --book-ink: var(--text);
  --book-muted: var(--text-3);
  min-height: 116px;
  display: grid;
  align-content: end;
  gap: 0.38rem;
  padding: 0.82rem;
  border: 1px solid color-mix(in srgb, var(--book-accent) 42%, transparent);
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--book-accent) 18%, transparent), transparent 66%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), transparent 35%),
    var(--book-surface);
  color: var(--book-ink);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 14px 34px rgba(0, 0, 0, 0.13);
}

.book-tile strong,
.book-tile small {
  display: block;
  position: relative;
  z-index: 1;
}

.book-tile strong {
  font-family: "Newsreader", serif;
  font-size: 1.02rem;
  line-height: 1.08;
}

.book-tile small {
  color: var(--book-muted);
  font-size: 0.66rem;
  line-height: 1.2;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.book-tile--cooper {
  --book-accent: #c4cfdd;
  --book-surface: #111824;
  --book-ink: #eaf1fb;
  --book-muted: #b2bfd0;
}

.book-tile--denson {
  --book-accent: #d9b46d;
  --book-surface: #231013;
  --book-ink: #faefe2;
  --book-muted: #d2bcb4;
}

.book-tile--revision2025 {
  --book-accent: #e3c483;
  --book-surface: #101815;
  --book-ink: #edf2e9;
  --book-muted: #b7c4bc;
}

.book-tile--southern {
  --book-accent: #ddb98d;
  --book-surface: #18110c;
  --book-ink: #f4eadc;
  --book-muted: #d0bcaa;
}

.book-tile--missouri {
  --book-accent: #c9a77e;
  --book-surface: #1a140f;
  --book-ink: #f3e5d4;
  --book-muted: #cbb6a1;
}

.book-tile--kentucky {
  --book-accent: #ddb487;
  --book-surface: #18120d;
  --book-ink: #f4eadf;
  --book-muted: #d0bfae;
}

.book-tile--harmonia {
  --book-accent: #d7c39b;
  --book-surface: #191613;
  --book-ink: #f2ece2;
  --book-muted: #cabda8;
}

.book-tile--shenandoah {
  --book-accent: #d7be8f;
  --book-surface: #181410;
  --book-ink: #f3ede5;
  --book-muted: #cfbea6;
}

.book-tile--valley {
  --book-accent: #9ad2d0;
  --book-surface: #0f1718;
  --book-ink: #edf6f4;
  --book-muted: #b8d0cf;
}

.annotated-score {
  position: relative;
  margin: 0;
  padding-top: 0.35rem;
}

.annotated-score img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 760px;
  margin: 0 auto;
  border: 1px solid rgba(227, 196, 131, 0.16);
  background: #f8f4ea;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
}

.annotated-score figcaption {
  margin-top: 0.55rem;
  color: var(--text-3);
  font-size: 0.7rem;
  line-height: 1.35;
}

.score-callout {
  position: absolute;
  max-width: 14ch;
  padding: 0.34rem 0.48rem;
  border: 1px solid rgba(6, 17, 15, 0.18);
  background: rgba(227, 196, 131, 0.92);
  color: #111814;
  font-size: 0.64rem;
  font-weight: 700;
  line-height: 1.12;
  text-transform: uppercase;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.24);
}

.score-callout::after {
  content: "";
  position: absolute;
  border-top: 2px solid rgba(227, 196, 131, 0.92);
  transform-origin: left center;
}

.score-callout--title {
  top: 1.2rem;
  left: 42%;
}

.score-callout--title::after {
  width: 7.6rem;
  left: -7.7rem;
  top: 50%;
}

.score-callout--tenor {
  top: 47%;
  left: 45%;
}

.score-callout--tenor::after {
  width: 4.5rem;
  left: -4.6rem;
  top: 50%;
}

.score-callout--parts {
  top: 30%;
  left: 1rem;
}

.score-callout--parts::after {
  width: 4.8rem;
  right: -4.9rem;
  top: 50%;
}

.score-callout--text {
  right: 2%;
  top: 68%;
}

.score-callout--text::after {
  width: 4.2rem;
  right: 100%;
  top: 50%;
}

.score-callout--repeat {
  right: 1rem;
  top: 41%;
}

.score-callout--repeat::after {
  width: 5.2rem;
  right: 100%;
  top: 50%;
}

.lyric-example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.lyric-example-grid blockquote {
  display: grid;
  align-content: space-between;
  gap: 0.75rem;
  min-height: 150px;
  margin: 0;
  padding: 1rem;
  border: 1px solid rgba(227, 196, 131, 0.13);
  background:
    linear-gradient(180deg, rgba(227, 196, 131, 0.06), transparent 40%),
    rgba(6, 17, 15, 0.36);
}

.lyric-example-grid blockquote p {
  color: var(--text);
  font-family: "Newsreader", serif;
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  line-height: 1.12;
}

.lyric-example-grid cite {
  color: var(--text-3);
  font-size: 0.68rem;
  font-style: normal;
  line-height: 1.35;
}

.presentation-source-list {
  display: grid;
  gap: 0.75rem;
  padding-left: 0;
  list-style: none;
}

.presentation-source-list li {
  display: grid;
  gap: 0.22rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(227, 196, 131, 0.11);
}

.presentation-source-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.presentation-source-list strong,
.presentation-source-list a {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
}

.presentation-source-list a {
  text-decoration-color: rgba(227, 196, 131, 0.45);
  text-underline-offset: 0.18em;
}

.presentation-source-list span {
  color: var(--text-3);
  font-size: 0.82rem;
  line-height: 1.45;
}

.footnote-ref {
  color: var(--accent);
}

@media (max-width: 900px) {
  .presentation-shell {
    width: min(100% - 1.5rem, 720px);
  }

  .presentation-slide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .presentation-slide--wide {
    grid-column: span 2;
  }

  .book-tile-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .annotated-score {
    padding-bottom: 0.5rem;
  }

  .score-callout {
    position: static;
    display: inline-block;
    max-width: none;
    margin: 0.4rem 0.25rem 0 0;
  }

  .score-callout::after {
    display: none;
  }
}

@media (max-width: 640px) {
  .presentation-body .site-header {
    width: min(100% - 1rem, 40rem);
  }

  .presentation-body .site-nav {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding-bottom: 0.2rem;
  }

  .presentation-shell {
    width: min(100% - 1rem, 40rem);
    padding-top: 1.25rem;
  }

  .presentation-hero {
    min-height: 58svh;
    padding: 1.2rem;
  }

  .presentation-hero h1 {
    max-width: 10ch;
    font-size: clamp(2.8rem, 15vw, 4.8rem);
  }

  .presentation-slide-grid,
  .lyric-example-grid {
    grid-template-columns: 1fr;
  }

  .presentation-slide,
  .presentation-slide--wide {
    grid-column: auto;
    min-height: 0;
  }

  .shape-note-row,
  .book-tile-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .presentation-slide h2 {
    max-width: none;
  }
}

@keyframes glowPulse {
  0%,
  100% {
    opacity: 0.75;
  }
  50% {
    opacity: 1;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-eyebrow,
h1.hero-name,
.hero-tagline,
.hero-bio,
.hero-stats,
.hero-photo-wrap {
  animation: fadeUp 0.55s ease both;
}

h1.hero-name {
  animation-delay: 0.08s;
}

.hero-tagline {
  animation-delay: 0.14s;
}

.hero-bio {
  animation-delay: 0.2s;
}

.hero-stats {
  animation-delay: 0.34s;
}

.hero-photo-wrap {
  animation-delay: 0.08s;
}