/* ─────────────────────────────────────────────────────────────
   CT & AI Orientation — Deck Theme
   Editorial-briefing aesthetic, on-brand with aidt.site
   ───────────────────────────────────────────────────────────── */

:root {
  /* Brand */
  --navy:   #013b68;
  --navy-2: #062a47;
  --navy-3: #04223a;
  --teal:   #0e9289;
  --teal-2: #0a7a72;
  --orange: #f56523;
  --purple: #b67efc;

  /* Surfaces */
  --cream:        #faf6ee;
  --cream-2:      #f3ecdc;
  --paper:        #fffdf8;
  --off-white:    #f4f8fc;
  --hair:         rgba(1, 59, 104, 0.12);
  --hair-dark:    rgba(255, 255, 255, 0.14);

  /* Type */
  --serif: 'Fraunces', 'Cormorant Garamond', Georgia, serif;
  --sans:  'Nunito', system-ui, -apple-system, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Sizing */
  --slide-pad: 4.5rem;
}

/* ────── Reveal overrides ────── */
.reveal {
  font-family: var(--sans);
  font-weight: 400;
  color: var(--navy);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

.reveal .slides {
  text-align: left;
}

.reveal .slides section {
  height: 100%;
  padding: var(--slide-pad);
  box-sizing: border-box;
  overflow: hidden;
}

.reveal h1, .reveal h2, .reveal h3, .reveal h4 {
  text-transform: none;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0;
  color: inherit;
}

.reveal p {
  margin: 0;
  line-height: 1.55;
}

.reveal ul, .reveal ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ────── Slide backgrounds by state ────── */
.reveal .slides section[data-state="s-cover"]   { background: var(--cream); }
.reveal .slides section[data-state="s-light"]   { background: var(--paper); }
.reveal .slides section[data-state="s-cream"]   { background: var(--cream); }
.reveal .slides section[data-state="s-dark"]    { background: var(--navy); color: #fff8ee; }
.reveal .slides section[data-state="s-finale"]  { background: linear-gradient(160deg, var(--navy-3) 0%, var(--navy) 60%, #0a2f4d 100%); color: #fff8ee; }

.reveal .slides section[data-state="s-dark"] *:not(.watermark):not(.watermark *),
.reveal .slides section[data-state="s-finale"] *:not(.watermark):not(.watermark *) { color: inherit; }
.reveal .slides section[data-state="s-dark"] .watermark span,
.reveal .slides section[data-state="s-finale"] .watermark span { color: rgba(245, 101, 35, 0.06); }

/* ────── Shared chrome ────── */
.slide-header {
  position: absolute;
  top: 1.8rem;
  left: var(--slide-pad);
  right: var(--slide-pad);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.7;
  z-index: 4;
}
.slide-header.on-dark { color: rgba(255, 248, 238, 0.65); }

.slide-num {
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--teal);
}
.slide-header.on-dark .slide-num { color: var(--orange); }

.slide-chap { letter-spacing: 0.22em; }

.overline {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}
.overline.on-dark { color: var(--orange); }

.body-lede {
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 32ch;
  color: inherit;
  opacity: 0.85;
}

.display {
  font-family: var(--serif);
  font-variation-settings: "opsz" 144, "SOFT" 50;
  font-weight: 400;
  font-size: clamp(2.6rem, 5.4vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.025em;
  color: inherit;
}
.display em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  color: var(--teal);
  font-weight: 400;
}
[data-state="s-dark"] .display em,
[data-state="s-finale"] .display em { color: var(--orange); }

.big-quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2.5em;
  line-height: 0;
  color: var(--orange);
  position: relative;
  top: 0.18em;
  margin-right: 0.04em;
}

.kicker {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
}

/* ────── Watermark ────── */
.watermark {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.watermark span {
  position: absolute;
  bottom: -3rem;
  right: -4rem;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 24rem;
  letter-spacing: -0.04em;
  color: rgba(14, 146, 137, 0.05);
  line-height: 0.8;
  user-select: none;
  white-space: nowrap;
}
[data-state="s-finale"] .watermark span {
  font-size: 14rem;
  bottom: 1rem;
  right: 1.5rem;
}

/* ─────────────────────────────────────────────────────────────
   SLIDE 01 · COVER
   ───────────────────────────────────────────────────────────── */
.slide-cover { position: relative; }

.slide-cover .topbar {
  position: absolute;
  top: 1.8rem;
  left: var(--slide-pad);
  right: var(--slide-pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 3;
}
.brand-logo { height: 38px; width: auto; }

.chip {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--hair);
  color: var(--navy);
  background: rgba(255, 255, 255, 0.6);
}

.cover-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  height: 100%;
  padding-top: 4.5rem;
  padding-bottom: 0.5rem;
  gap: 1rem;
}

.cover-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.index-marker {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--teal);
  padding: 6px 14px;
  border: 1px solid var(--teal);
  border-radius: 4px;
}

.cover-title {
  font-family: var(--serif);
  font-variation-settings: "opsz" 144, "SOFT" 70;
  font-weight: 350;
  font-size: clamp(3.4rem, 6.8vw, 6.2rem);
  line-height: 0.94;
  letter-spacing: -0.035em;
  color: var(--navy);
}
.cover-title em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  color: var(--teal);
  font-weight: 350;
}
.title-accent {
  display: inline-block;
  position: relative;
  color: var(--navy);
}
.title-accent::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--orange);
  opacity: 0.18;
  transform: skewX(-12deg) translateX(-6px);
  z-index: -1;
  border-radius: 4px;
}

.cover-lede {
  font-family: var(--sans);
  font-size: 1.15rem;
  line-height: 1.55;
  max-width: 56ch;
  color: var(--navy);
  opacity: 0.78;
}
.cover-lede em {
  font-style: italic;
  color: var(--orange);
  font-weight: 600;
}

.cover-byline {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 0.8rem;
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--navy);
  opacity: 0.85;
  padding-top: 0.5rem;
}
.cover-byline .byline-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
}
.cover-byline .byline-name {
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--navy);
}
.cover-byline .byline-team,
.cover-byline .byline-org { font-weight: 500; }
.cover-byline .byline-sep { opacity: 0.4; }
.cover-byline .byline-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--orange);
  background: rgba(245, 101, 35, 0.08);
  padding: 3px 8px;
  border-radius: 100px;
  margin-left: 0.2rem;
}

.cover-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-top: 1px solid var(--hair);
  padding-top: 1.4rem;
}

.partners {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.partners-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.55;
  margin-right: 0.4rem;
}
.partner-logo { height: 30px; width: auto; opacity: 0.95; }
.partner-divider { color: var(--navy); opacity: 0.3; font-size: 1.4rem; }

.session-meta {
  text-align: right;
  font-family: var(--mono);
}
.meta-label {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.5;
  margin-bottom: 4px;
}
.meta-value {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--navy);
}

.side-note {
  position: absolute;
  top: 50%;
  right: 1.4rem;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: right center;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.35;
}
.side-note kbd {
  font-family: var(--mono);
  background: rgba(1, 59, 104, 0.06);
  border: 1px solid var(--hair);
  padding: 1px 5px;
  border-radius: 3px;
}

/* ─────────────────────────────────────────────────────────────
   SLIDE 02 · PILLARS
   ───────────────────────────────────────────────────────────── */
.slide-pillars { position: relative; }

.pillars-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 4rem;
  height: 100%;
  padding-top: 5rem;
  align-items: center;
}

.pillars-headline .display { margin-bottom: 1.5rem; }
.pillars-headline .body-lede { margin-bottom: 1.5rem; }

.quote-mark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--navy);
  border-left: 2px solid var(--orange);
  padding-left: 1rem;
  margin-top: 1rem;
  max-width: 28ch;
  line-height: 1.4;
}

.pillars-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.pillar {
  position: relative;
  padding: 1.6rem 1.4rem 1.4rem;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 6px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.pillar:nth-child(1) { transform: translateY(-12px); }
.pillar:nth-child(4) { transform: translateY(12px); }
.pillar:hover {
  border-color: var(--teal);
  transform: translateY(-4px);
}
.pillar:nth-child(1):hover { transform: translateY(-16px); }
.pillar:nth-child(4):hover { transform: translateY(8px); }

.pillar-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--orange);
}
.pillar h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.6rem;
  margin: 0.4rem 0 0.6rem;
  color: var(--navy);
}
.pillar p {
  font-size: 0.95rem;
  color: var(--navy);
  opacity: 0.72;
  line-height: 1.5;
}

/* ─────────────────────────────────────────────────────────────
   SLIDE 03 · COMPARE (dark)
   ───────────────────────────────────────────────────────────── */
.slide-compare { position: relative; }

.compare-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: 3rem;
  height: 100%;
  padding-top: 5rem;
  align-content: center;
}

.compare-headline {
  align-self: center;
}
.compare-headline .display { color: #fff8ee; margin-bottom: 1.4rem; }
.compare-headline .display em { color: var(--orange); }
.compare-headline .body-lede { color: rgba(255, 248, 238, 0.78); }

.compare-cards {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
}

.compare-card {
  padding: 1.8rem 1.6rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--hair-dark);
  border-radius: 8px;
  position: relative;
}
.compare-card.teal { border-left: 3px solid var(--teal); }
.compare-card.orange { border-left: 3px solid var(--orange); }

.compare-slash {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.2rem;
}
.compare-slash span {
  font-family: var(--serif);
  font-style: italic;
  font-size: 6rem;
  color: rgba(255, 248, 238, 0.18);
  line-height: 1;
}

.card-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 248, 238, 0.55);
  margin-bottom: 0.6rem;
  display: block;
}
.compare-card.teal .card-label { color: var(--teal); }
.compare-card.orange .card-label { color: var(--orange); }

.compare-card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.45rem;
  line-height: 1.15;
  margin-bottom: 1rem;
  color: #fff8ee;
}
.compare-card h3 em {
  font-style: italic;
  color: var(--orange);
}
.compare-card ul li {
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(255, 248, 238, 0.82);
  padding-left: 1rem;
  position: relative;
  margin-bottom: 0.35rem;
}
.compare-card ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  opacity: 0.5;
}
.card-foot {
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 1px dashed rgba(255, 248, 238, 0.18);
  font-size: 0.82rem;
  color: rgba(255, 248, 238, 0.7);
  font-style: italic;
}

.unplugged-strip {
  grid-column: 1 / -1;
  margin-top: 1.5rem;
  padding: 1.1rem 1.4rem;
  border: 1px dashed var(--orange);
  border-radius: 6px;
  background: rgba(245, 101, 35, 0.06);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  align-items: center;
}
.strip-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 600;
}
.unplugged-strip p {
  font-size: 0.95rem;
  color: rgba(255, 248, 238, 0.88);
}
.unplugged-strip em {
  font-style: italic;
  color: var(--orange);
}

/* ─────────────────────────────────────────────────────────────
   NEW · PILLARS PROGRESSION (Class 3 → Class 8)
   ───────────────────────────────────────────────────────────── */
.slide-progression { position: relative; }

.prog-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 3rem;
  padding-top: 4.5rem;
  align-items: center;
  height: 100%;
}

.prog-headline .display { margin-bottom: 1.2rem; }

.prog-table {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.prog-col {
  position: relative;
  padding: 0;
}
.prog-col h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 0.4rem;
  line-height: 1.1;
}
.prog-col-num {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--orange);
  display: block;
  margin-bottom: 0.3rem;
}
.prog-stage {
  padding: 0.85rem 0.9rem;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 6px;
  margin-bottom: 0.6rem;
  position: relative;
}
.prog-stage-early { border-left: 3px solid var(--teal); }
.prog-stage-mid { border-left: 3px solid var(--orange); }
.prog-stage-band {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.55;
  margin-bottom: 0.3rem;
  display: block;
}
.prog-stage p {
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--navy);
  opacity: 0.85;
}
.prog-arrow {
  text-align: center;
  color: var(--navy);
  opacity: 0.35;
  font-family: var(--mono);
  font-size: 0.9rem;
  margin: -0.2rem 0 0.2rem;
}
.prog-source {
  margin-top: 1.2rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--hair);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--navy);
  opacity: 0.6;
  grid-column: 1 / -1;
}
.prog-source strong { color: var(--teal); }

/* ─────────────────────────────────────────────────────────────
   NEW · AI 6-8 SYLLABUS
   ───────────────────────────────────────────────────────────── */
.slide-ai-syllabus { position: relative; }

.aisyl-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 3rem;
  padding-top: 4.5rem;
  align-items: center;
  height: 100%;
}

.aisyl-headline .display { margin-bottom: 1.2rem; }

.aisyl-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.aisyl-card {
  padding: 1.2rem 1.1rem 1.2rem;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 8px;
  border-top: 3px solid var(--teal);
}
.aisyl-card:nth-child(2) { border-top-color: var(--orange); }
.aisyl-card:nth-child(3) { border-top-color: var(--purple); }
.aisyl-band {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.3rem;
  display: block;
}
.aisyl-card:nth-child(2) .aisyl-band { color: var(--orange); }
.aisyl-card:nth-child(3) .aisyl-band { color: var(--purple); }
.aisyl-card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.35rem;
  color: var(--navy);
  margin-bottom: 0.9rem;
  line-height: 1;
}
.aisyl-card ul li {
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--navy);
  opacity: 0.82;
  padding-left: 1rem;
  position: relative;
  margin-bottom: 0.35rem;
}
.aisyl-card ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--teal);
  opacity: 0.7;
}
.aisyl-card:nth-child(2) ul li::before { color: var(--orange); }
.aisyl-card:nth-child(3) ul li::before { color: var(--purple); }
.aisyl-hours {
  margin-top: 0.7rem;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--hair);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.6;
}
.aisyl-callout {
  grid-column: 1 / -1;
  margin-top: 1rem;
  padding: 0.9rem 1.2rem;
  background: var(--navy);
  color: var(--cream);
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--sans);
  font-size: 0.92rem;
}
.aisyl-callout strong {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  flex: 0 0 auto;
}
.aisyl-callout em { font-style: italic; color: var(--orange); }

/* ─────────────────────────────────────────────────────────────
   NEW · ASSESSMENT METHODS
   ───────────────────────────────────────────────────────────── */
.slide-assessment { position: relative; }

.assess-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 3rem;
  padding-top: 4.5rem;
  align-items: center;
  height: 100%;
}

.assess-headline .display { margin-bottom: 1.2rem; }

.assess-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.assess-card {
  padding: 1.3rem 1.3rem 1.4rem;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 8px;
  border-top: 3px solid var(--teal);
  position: relative;
}
.assess-card.middle { border-top-color: var(--orange); }
.assess-band {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.3rem;
  display: block;
}
.assess-card.middle .assess-band { color: var(--orange); }
.assess-card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.4rem;
  color: var(--navy);
  margin-bottom: 0.9rem;
  line-height: 1.05;
}
.assess-methods {
  display: grid;
  gap: 0.45rem;
}
.assess-method {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  font-size: 0.86rem;
  color: var(--navy);
  opacity: 0.88;
  line-height: 1.45;
  padding-left: 0;
}
.assess-method::before {
  content: "✓";
  color: var(--teal);
  font-weight: 700;
  font-size: 0.78rem;
  flex: 0 0 auto;
  width: 1rem;
}
.assess-card.middle .assess-method::before { color: var(--orange); }
.assess-method em {
  font-style: italic;
  color: var(--navy);
  font-weight: 600;
}

.assess-pullquote {
  grid-column: 1 / -1;
  margin-top: 1rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1rem 1.2rem;
  background: linear-gradient(135deg, rgba(14, 146, 137, 0.06), rgba(245, 101, 35, 0.06));
  border-radius: 6px;
  border: 1px dashed var(--hair);
}
.assess-pullquote .pq-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  white-space: nowrap;
}
.assess-pullquote p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--navy);
}
.assess-pullquote em {
  font-style: italic;
  color: var(--orange);
  font-weight: 600;
}

/* ─────────────────────────────────────────────────────────────
   SLIDE 04 · ASSET FRAMEWORK
   ───────────────────────────────────────────────────────────── */
.slide-asset { position: relative; }

.asset-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  grid-template-rows: 1fr auto;
  gap: 2rem 3.5rem;
  height: 100%;
  padding-top: 5rem;
}

.asset-headline { align-self: center; }
.asset-headline .display { margin-bottom: 1.2rem; }
.asset-logo-inline { height: 44px; width: auto; margin: 0.6rem 0 1rem; }

.asset-buckets {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  align-content: center;
}

.bucket {
  display: grid;
  grid-template-columns: 64px 1fr;
  grid-template-rows: auto auto auto;
  column-gap: 1.3rem;
  row-gap: 0.15rem;
  align-items: start;
  padding: 1.3rem 1.4rem;
  background: var(--off-white);
  border-radius: 8px;
  border: 1px solid var(--hair);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.bucket > .bucket-icon { grid-row: 1 / span 3; align-self: center; }
.bucket > .bucket-tag { grid-column: 2; grid-row: 1; }
.bucket > h3 { grid-column: 2; grid-row: 2; }
.bucket > p { grid-column: 2; grid-row: 3; }
.bucket:hover {
  transform: translateX(6px);
  box-shadow: -6px 4px 0 var(--teal);
}
.bucket-ai { border-left: 4px solid var(--teal); }
.bucket-ai .bucket-icon { color: var(--teal); }
.bucket-dl { border-left: 4px solid var(--orange); }
.bucket-dl .bucket-icon { color: var(--orange); }
.bucket-ct { border-left: 4px solid var(--purple); }
.bucket-ct .bucket-icon { color: var(--purple); }

.bucket-icon svg { width: 56px; height: 56px; display: block; }

.bucket-tag {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.55;
  display: block;
  margin-bottom: 0.3rem;
}
.bucket h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
  color: var(--navy);
}
.bucket p {
  font-size: 0.92rem;
  color: var(--navy);
  opacity: 0.72;
  line-height: 1.45;
}

.asset-grade-strip {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--hair);
}
.grade-pills {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}
.grade-pill {
  font-family: var(--mono);
  font-size: 0.74rem;
  padding: 7px 14px;
  border: 1px solid var(--hair);
  border-radius: 100px;
  color: var(--navy);
  background: var(--paper);
}
.grade-pill strong { color: var(--teal); margin-right: 4px; }

/* ─────────────────────────────────────────────────────────────
   SLIDES 05–06 · LIVE QUIZ
   ───────────────────────────────────────────────────────────── */
.slide-quiz { position: relative; }

.quiz-headline {
  margin-top: 2.3rem;
  margin-bottom: 0.3rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  column-gap: 1.2rem;
}
.quiz-headline .overline { margin-bottom: 0; grid-column: 1; grid-row: 1; }
.quiz-headline .display {
  font-size: clamp(1.3rem, 2.2vw, 1.9rem);
  margin-bottom: 0;
  grid-column: 2;
  grid-row: 1;
  align-self: baseline;
}
.quiz-instructions {
  font-size: 0.82rem;
  color: var(--navy);
  opacity: 0.72;
  max-width: 64ch;
  grid-column: 1 / -1;
  grid-row: 2;
  margin-top: 0.2rem;
}

.quiz-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.4rem 0 0.6rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--hair);
}

.quiz-tabs {
  display: flex;
  gap: 0.4rem;
}
.quiz-tab {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid var(--hair);
  background: var(--paper);
  color: var(--navy);
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.quiz-tab:hover { border-color: var(--teal); color: var(--teal); }
.quiz-tab.active {
  background: var(--navy);
  color: var(--cream);
  border-color: var(--navy);
}

.quiz-counter {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--navy);
  opacity: 0.7;
}
.quiz-counter .qnum { color: var(--teal); font-weight: 600; }

.quiz-host {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  height: calc(100% - 4rem);
  margin-top: 3.5rem;
  overflow: hidden;
}
.slide-quiz { position: relative; }
.slide-quiz .slide-header [data-q-skill] {
  color: var(--teal);
  font-weight: 600;
}
.slide-quiz .slide-header .slide-chap strong {
  color: var(--navy);
  font-weight: 700;
}

/* ── Stem (question text, always visible) ── */
.qa-stem {
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--navy);
  flex: 0 0 auto;
  max-width: 95ch;
}
.qa-stem strong { font-weight: 700; }
.qa-stem em { font-style: italic; }

/* ── Body: visual + options grid, or options-only ── */
.qa-body {
  flex: 1 1 0;
  min-height: 0;
  display: grid;
  gap: 1.6rem;
}
.qa-body.has-visual {
  grid-template-columns: 1.1fr 1fr;
}
.qa-body.no-visual {
  grid-template-columns: 1fr;
  max-width: 80ch;
  margin: 0 auto;
  width: 100%;
}

.qa-visual-wrap {
  background: var(--off-white);
  border: 1px solid var(--hair);
  border-radius: 8px;
  padding: 1.2rem 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  min-height: 0;
}

/* ─────────────────────────────────────────────────────────────
   HTML VISUALS · per-question recreations
   ───────────────────────────────────────────────────────────── */

/* Gauss · pairing diagram */
.q-vis-pairs {
  font-family: var(--mono);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-start;
}
.q-pairs-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.05rem;
  color: var(--navy);
}
.q-pairs-row .q-num {
  display: inline-block;
  min-width: 2.2rem;
  text-align: center;
  font-weight: 700;
  font-size: 1.15rem;
}
.q-pairs-row .q-tie { color: var(--teal); font-size: 1.4rem; line-height: 0.5; }
.q-pairs-row .q-eq { color: var(--navy); opacity: 0.4; padding: 0 0.4rem; }
.q-pairs-row .q-sum { color: var(--teal); font-weight: 700; font-size: 1.15rem; }
.q-pairs-ellipsis {
  color: var(--navy);
  opacity: 0.4;
  font-size: 1.4rem;
  margin-left: 1rem;
}
.q-pairs-foot {
  margin-top: 0.6rem;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--hair);
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
}
.q-pairs-label {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--navy);
  opacity: 0.7;
}
.q-pairs-count {
  font-size: 1.6rem;
  color: var(--orange);
  font-weight: 700;
}

/* Chatbot · chat bubbles */
.q-vis-chat {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.q-chat-row {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.q-chat-q,
.q-chat-a {
  font-family: var(--sans);
  font-size: 0.9rem;
  padding: 0.5rem 0.85rem;
  border-radius: 12px;
  max-width: 90%;
  line-height: 1.4;
}
.q-chat-q {
  align-self: flex-start;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-bottom-left-radius: 3px;
  color: var(--navy);
}
.q-chat-q::before { content: "Maya · "; font-family: var(--mono); font-size: 0.7rem; color: var(--teal); margin-right: 0.3rem; }
.q-chat-a {
  align-self: flex-end;
  background: rgba(14, 146, 137, 0.1);
  border: 1px solid rgba(14, 146, 137, 0.25);
  border-bottom-right-radius: 3px;
  color: var(--navy);
}
.q-chat-a::before { content: "Bot · "; font-family: var(--mono); font-size: 0.7rem; color: var(--teal); margin-right: 0.3rem; }
.q-chat-a-fail {
  background: rgba(245, 101, 35, 0.1);
  border-color: rgba(245, 101, 35, 0.3);
  color: var(--navy);
}
.q-chat-a-fail::before { color: var(--orange); }

/* Smart Device · 3 capability cards */
.q-vis-parts {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
}
.q-part {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.9rem 0.6rem;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 8px;
  text-align: center;
  position: relative;
}
.q-part svg { width: 48px; height: 48px; color: var(--navy); }
.q-part strong {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1rem;
  color: var(--navy);
}
.q-part em {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-style: italic;
  color: var(--navy);
  opacity: 0.7;
}
.q-part-on { border-color: var(--teal); }
.q-part-on svg { color: var(--teal); }
.q-part-off {
  opacity: 0.55;
  border-style: dashed;
}
.q-part-tag {
  position: absolute;
  top: -8px;
  right: 8px;
  background: var(--orange);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 3px;
}
.q-vis-caption {
  font-family: var(--sans);
  font-size: 0.86rem;
  font-style: italic;
  color: var(--navy);
  opacity: 0.78;
  margin-top: 0.7rem;
  text-align: center;
}

/* Wason · 4 playing cards */
.q-vis-cards {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  padding: 1rem 0;
}
.q-card {
  width: 90px;
  height: 130px;
  background: #fff;
  border: 2px solid var(--navy);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 3.4rem;
  font-weight: 600;
  color: var(--navy);
  box-shadow: 0 4px 14px -6px rgba(1, 59, 104, 0.25);
}
.q-card-letter { color: var(--navy); }
.q-card-number { color: var(--teal); }

/* Telomeres · data table */
.q-vis-table-wrap {
  overflow-y: auto;
  max-height: 100%;
}
.q-vis-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 0.78rem;
}
.q-vis-table th {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.6;
  padding: 0.3rem 0.5rem;
  border-bottom: 1px solid var(--hair);
  background: var(--paper);
}
.q-vis-table td {
  padding: 0.32rem 0.5rem;
  border-bottom: 1px solid var(--hair);
  color: var(--navy);
  vertical-align: top;
}
.q-vis-table td:first-child {
  font-weight: 600;
  white-space: nowrap;
}
.q-vis-table code {
  font-family: var(--mono);
  font-size: 0.74rem;
  background: rgba(1, 59, 104, 0.04);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--navy);
}
.q-tbl-plant td { background: rgba(14, 146, 137, 0.06); }
.q-tbl-plant code { background: rgba(14, 146, 137, 0.14); color: var(--teal-2); font-weight: 600; }

/* Face bias · 2x2 stat grid */
.q-vis-grid2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
.q-cell {
  padding: 0.95rem 0.9rem;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.q-cell-pct {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.8rem;
  color: var(--navy);
  line-height: 1;
}
.q-cell-pct small { font-size: 0.9rem; opacity: 0.7; margin-left: 0.05rem; }
.q-cell-lbl {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--navy);
  opacity: 0.78;
}
.q-cell-best {
  border-color: var(--teal);
  background: rgba(14, 146, 137, 0.06);
}
.q-cell-best .q-cell-pct { color: var(--teal); }
.q-cell-worst {
  border-color: var(--orange);
  background: rgba(245, 101, 35, 0.06);
}
.q-cell-worst .q-cell-pct { color: var(--orange); }

.qa-image-wrap {
  background: var(--off-white);
  border: 1px solid var(--hair);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  overflow: hidden;
}
.qa-image-wrap img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}

.qa-right {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-height: 0;
  height: 100%;
  position: relative;
}
.qa-skill, .qa-stem, .qa-nav { flex: 0 0 auto; }
.qa-options { flex: 0 0 auto; }
.qa-feedback { flex: 1 1 0; min-height: 0; }
/* When answered, hide options and let feedback take their space */
.qa-right.is-answered .qa-options { display: none; }

.qa-skill {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  padding: 5px 12px;
  border: 1px solid var(--teal);
  border-radius: 100px;
  align-self: flex-start;
}

.qa-stem {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--navy);
  opacity: 0.85;
  line-height: 1.4;
}

.qa-options {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.qa-opt {
  font-family: var(--sans);
  font-size: 0.9rem;
  text-align: left;
  padding: 0.65rem 0.9rem 0.65rem 3.4rem;
  background: var(--paper);
  border: 1.5px solid var(--hair);
  border-radius: 6px;
  color: var(--navy);
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
  line-height: 1.4;
}
.qa-opt::before {
  content: attr(data-letter);
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--off-white);
  border: 1px solid var(--hair);
  border-radius: 4px;
  color: var(--navy);
}
.qa-opt:hover:not([disabled]) {
  border-color: var(--teal);
  transform: translateX(3px);
}
.qa-opt:hover:not([disabled])::before {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}
.qa-opt[disabled] { cursor: default; }
.qa-opt.correct {
  border-color: var(--teal);
  background: rgba(14, 146, 137, 0.08);
}
.qa-opt.correct::before {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}
.qa-opt.wrong {
  border-color: var(--orange);
  background: rgba(245, 101, 35, 0.06);
  opacity: 0.85;
}
.qa-opt.wrong::before {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

.qa-feedback {
  margin-top: 0;
  padding: 1.1rem 1.2rem;
  background: var(--off-white);
  border-left: 3px solid var(--teal);
  border-radius: 4px;
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.qa-feedback.show { display: flex; }
.qa-feedback.is-wrong { border-left-color: var(--orange); }
.qa-fb-head {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 0.7rem;
  flex: 0 0 auto;
}
.qa-feedback.is-wrong .qa-fb-head { color: var(--orange); }
.qa-explanation {
  font-size: 0.92rem;
  color: var(--navy);
  line-height: 1.55;
  margin-bottom: 0.8rem;
  flex: 0 1 auto;
  overflow-y: auto;
}
.qa-perf {
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--hair);
  flex: 0 0 auto;
}
.qa-perf-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.6;
  margin-bottom: 0.65rem;
}
/* Horizontal bars — letter | bar | percent inline */
.qa-perf-bars {
  display: grid;
  gap: 0.45rem;
}
.qa-perf-bar {
  display: grid;
  grid-template-columns: 1.7rem 1fr 3.2rem;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.qa-perf-letter {
  color: var(--navy);
  opacity: 0.7;
  font-weight: 600;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
}
.qa-perf-bar.is-correct .qa-perf-letter { color: var(--teal); opacity: 1; }
.qa-perf-bar.is-chosen-wrong .qa-perf-letter { color: var(--orange); opacity: 1; }
.qa-perf-bar-fill {
  width: 100%;
  height: 14px;
  background: var(--hair);
  border-radius: 100px;
  position: relative;
  overflow: hidden;
}
.qa-perf-bar-fill::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: linear-gradient(90deg, var(--navy), #3a5c7a);
  border-radius: 100px;
  transition: width 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) 0.1s;
}
.qa-perf-bar.is-rendered .qa-perf-bar-fill::after { width: var(--w, 0%); }
.qa-perf-bar.is-correct .qa-perf-bar-fill::after {
  background: linear-gradient(90deg, var(--teal-2), var(--teal));
}
.qa-perf-bar.is-chosen-wrong .qa-perf-bar-fill::after {
  background: linear-gradient(90deg, #c84810, var(--orange));
}
.qa-perf-pct {
  color: var(--navy);
  font-weight: 600;
  text-align: right;
  font-size: 0.78rem;
}
.qa-perf-bar.is-correct .qa-perf-pct { color: var(--teal); }
.qa-perf-bar.is-chosen-wrong .qa-perf-pct { color: var(--orange); }

.qa-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 0.6rem;
}
.qa-nav button {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid var(--navy);
  background: transparent;
  color: var(--navy);
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.qa-nav button:hover {
  background: var(--navy);
  color: var(--cream);
}
.qa-nav button[disabled] {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}
.qa-nav .qa-next { border-color: var(--teal); color: var(--teal); }
.qa-nav .qa-next:hover { background: var(--teal); color: var(--cream); }

/* ─────────────────────────────────────────────────────────────
   SLIDE 07 · CURRICULUM TIMELINE
   ───────────────────────────────────────────────────────────── */
.slide-curriculum { position: relative; }

.curriculum-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 3rem;
  padding-top: 5rem;
  height: 100%;
  align-items: center;
}
.curriculum-headline .display { margin-bottom: 1.4rem; }

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}
.tl-step {
  position: relative;
  padding: 1.3rem 1.2rem;
  border-top: 1px solid var(--hair);
  border-right: 1px solid var(--hair);
}
.tl-step:last-child { border-right: none; }
.tl-step::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 1.2rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cream);
  border: 2px solid var(--teal);
}
.tl-mid::before { border-color: var(--orange); }
.tl-sec::before { border-color: var(--purple); }

.tl-step header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  margin-bottom: 0.7rem;
}
.tl-band {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--navy);
  white-space: nowrap;
}
.tl-hours {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  padding: 3px 8px;
  background: rgba(14, 146, 137, 0.08);
  border-radius: 3px;
  white-space: nowrap;
}
.tl-mid .tl-hours { color: var(--orange); background: rgba(245, 101, 35, 0.08); }
.tl-sec .tl-hours { color: var(--purple); background: rgba(182, 126, 252, 0.1); }

.tl-step h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.55rem;
  margin-bottom: 0.4rem;
  color: var(--navy);
}
.tl-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 0.9rem;
}
.tl-mid .tl-tag { color: var(--orange); }
.tl-sec .tl-tag { color: var(--purple); }
.tl-step ul li {
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--navy);
  opacity: 0.78;
  padding-left: 0.9rem;
  position: relative;
  margin-bottom: 0.3rem;
}
.tl-step ul li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}
.tl-note {
  margin-top: 0.9rem;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--hair);
  font-size: 0.78rem;
  font-style: italic;
  color: var(--navy);
  opacity: 0.7;
}

/* ─────────────────────────────────────────────────────────────
   SLIDE 08 · UNPLUGGED ACTIVITIES
   ───────────────────────────────────────────────────────────── */
.slide-activities { position: relative; }

.activities-headline {
  margin-top: 4.5rem;
  margin-bottom: 1.8rem;
  max-width: 70ch;
}
.activities-headline .display { font-size: clamp(2.3rem, 4.4vw, 3.6rem); }

.activity-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.activity {
  padding: 1.4rem 1.3rem;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 8px;
  position: relative;
  transition: all 0.3s ease;
}
.activity:hover {
  border-color: var(--teal);
  box-shadow: -8px 8px 0 rgba(14, 146, 137, 0.08);
  transform: translate(2px, -2px);
}

.activity-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px dashed var(--hair);
}
.activity-num {
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--teal);
  letter-spacing: -0.02em;
}
.activity-time {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  padding: 3px 8px;
  background: rgba(245, 101, 35, 0.08);
  border-radius: 3px;
}

.activity h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.5rem;
  margin-bottom: 0.3rem;
  color: var(--navy);
}
.activity-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 0.7rem;
}
.activity-body {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--navy);
  opacity: 0.8;
  margin-bottom: 0.9rem;
}
.activity-body em { font-style: italic; color: var(--orange); }
.activity footer {
  padding-top: 0.7rem;
  border-top: 1px solid var(--hair);
}
.works-for {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.6;
}

.activities-quote {
  margin-top: 1.6rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--navy);
  text-align: left;
  max-width: 70ch;
  line-height: 1.4;
  border-left: 2px solid var(--orange);
  padding-left: 1rem;
}

/* ─────────────────────────────────────────────────────────────
   SLIDE 09 · MINDSPARK
   ───────────────────────────────────────────────────────────── */
.slide-mindspark { position: relative; }

.ms-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.4fr;
  gap: 3rem;
  padding-top: 5rem;
  align-items: start;
  height: 100%;
}

.ms-headline { align-self: center; }
.ms-logo {
  height: 56px;
  width: auto;
  margin-bottom: 1.2rem;
  padding: 8px 14px;
  background: #fff8ee;
  border-radius: 6px;
  display: inline-block;
}
.ms-headline .display em { color: var(--orange); }
.ms-headline .body-lede { color: rgba(255, 248, 238, 0.8); margin-bottom: 1.4rem; }

.ms-meta {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.meta-pill {
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 6px 12px;
  background: rgba(255, 248, 238, 0.08);
  border: 1px solid var(--hair-dark);
  border-radius: 100px;
  color: rgba(255, 248, 238, 0.85);
}
.meta-pill strong { color: var(--orange); }

.ms-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  align-self: center;
}
.ms-tile {
  display: block;
  padding: 1rem 1.05rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--hair-dark);
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: all 0.25s ease;
  min-height: 130px;
}
.ms-tile:hover {
  background: rgba(255, 248, 238, 0.08);
  border-color: var(--orange);
  transform: translateY(-3px);
}
.tile-bucket {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  display: block;
  margin-bottom: 0.5rem;
}
.ms-tile h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.1rem;
  color: #fff8ee;
  margin-bottom: 0.3rem;
  line-height: 1.15;
}
.ms-tile p {
  font-size: 0.78rem;
  color: rgba(255, 248, 238, 0.7);
  line-height: 1.4;
}
.tile-arrow {
  position: absolute;
  top: 0.9rem;
  right: 1rem;
  font-size: 1rem;
  color: rgba(255, 248, 238, 0.4);
  transition: transform 0.2s ease, color 0.2s ease;
}
.ms-tile:hover .tile-arrow { color: var(--orange); transform: translate(3px, -3px); }

.ms-hint {
  position: absolute;
  bottom: 1.6rem;
  left: var(--slide-pad);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: rgba(255, 248, 238, 0.5);
  font-style: italic;
}

/* ─────────────────────────────────────────────────────────────
   SLIDE 10 · IMPLEMENTATION
   ───────────────────────────────────────────────────────────── */
.slide-implementation { position: relative; }

.impl-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 3.5rem;
  padding-top: 5rem;
  align-items: center;
  height: 100%;
}

.impl-headline .display { margin-bottom: 1.4rem; }

.impl-list {
  display: grid;
  gap: 0.6rem;
}
.impl-list li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  grid-template-rows: auto auto;
  column-gap: 1rem;
  row-gap: 0.25rem;
  padding: 0.9rem 1rem;
  border-left: 1px solid var(--hair);
  transition: all 0.25s ease;
  align-items: baseline;
}
.impl-list li .impl-num { grid-column: 1; grid-row: 1 / span 2; align-self: center; }
.impl-list li h3 { grid-column: 2; grid-row: 1; }
.impl-list li p { grid-column: 2; grid-row: 2; }
.impl-list li:hover {
  background: var(--off-white);
  border-left-color: var(--teal);
  transform: translateX(4px);
}
.impl-num {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--teal);
  padding-top: 2px;
}
.impl-list h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.18rem;
  margin-bottom: 0.25rem;
  color: var(--navy);
}
.impl-list p {
  font-size: 0.88rem;
  color: var(--navy);
  opacity: 0.78;
  line-height: 1.5;
}

/* ─────────────────────────────────────────────────────────────
   SLIDE 11 · READINESS / RESOURCES
   ───────────────────────────────────────────────────────────── */
.slide-readiness { position: relative; }

.ready-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 3rem;
  padding-top: 5rem;
  align-items: start;
  height: 100%;
}

.ready-headline { align-self: center; }
.ready-headline .display { margin-bottom: 1.4rem; }

.checklist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem 1rem;
  align-self: center;
}
.checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  padding: 1rem;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 6px;
  transition: all 0.25s ease;
  align-items: start;
}
.checklist li:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
}
.check {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--teal);
  color: #fff;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.95rem;
}
.checklist h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
  color: var(--navy);
}
.checklist p {
  font-size: 0.82rem;
  color: var(--navy);
  opacity: 0.7;
  line-height: 1.4;
}

.resources-strip {
  grid-column: 1 / -1;
  margin-top: 0.8rem;
  padding: 1rem 1.2rem;
  background: var(--navy);
  color: var(--cream);
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.rs-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  margin-right: 0.4rem;
}
.rs-link {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.rs-link:hover { border-bottom-color: var(--orange); color: var(--orange); }
.rs-divider { color: rgba(255, 248, 238, 0.4); }

/* ─────────────────────────────────────────────────────────────
   SLIDE 12 · FINALE
   ───────────────────────────────────────────────────────────── */
.slide-finale { position: relative; overflow: hidden; }

.finale-grid {
  position: relative;
  z-index: 2;
  height: 100%;
  padding-top: 4.5rem;
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  gap: 0.6rem;
  align-content: start;
}
.finale-title--second { margin-top: -0.4rem; }

.finale-title {
  font-family: var(--serif);
  font-variation-settings: "opsz" 144, "SOFT" 70;
  font-weight: 350;
  font-size: clamp(2.6rem, 4.6vw, 4.2rem);
  line-height: 0.96;
  letter-spacing: -0.03em;
  color: #fff8ee;
}
.finale-title em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  color: var(--orange);
  font-weight: 350;
}
.finale-title--second { opacity: 0.9; }

[data-state="s-finale"] .title-glow {
  background: linear-gradient(120deg, var(--orange) 0%, #ffb37a 50%, var(--orange) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  font-style: italic;
  animation: shimmer 5s linear infinite;
}
@keyframes shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.finale-foot {
  align-self: end;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--hair-dark);
  align-items: end;
}
.cta-label, .contact-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
  display: block;
  margin-bottom: 0.5rem;
}
.finale-cta p {
  font-family: var(--sans);
  font-size: 1rem;
  color: rgba(255, 248, 238, 0.85);
  line-height: 1.6;
}
.finale-contact { text-align: right; }
.finale-contact a {
  display: block;
  font-family: var(--mono);
  font-size: 0.95rem;
  color: #fff8ee;
  text-decoration: none;
  margin-bottom: 0.25rem;
  transition: color 0.2s ease;
}
.finale-contact a:hover { color: var(--orange); }

.finale-by {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.7rem;
  padding-top: 0.6rem;
  border-top: 1px dashed rgba(255, 248, 238, 0.18);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 248, 238, 0.55);
  justify-content: flex-end;
}
.ei-credit {
  height: 18px;
  width: auto;
  background: #fff8ee;
  padding: 2px 4px;
  border-radius: 3px;
}

/* ─────────────────────────────────────────────────────────────
   SLIDE 16 · THANK YOU + FEEDBACK + C4C
   ───────────────────────────────────────────────────────────── */
.slide-thanks { position: relative; }

.thanks-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.3fr;
  gap: 3rem;
  padding-top: 4.5rem;
  height: 100%;
  align-items: center;
}

.thanks-headline .display {
  margin-bottom: 1.4rem;
  font-size: clamp(3.4rem, 6vw, 5.4rem);
}
.thanks-headline .body-lede { margin-bottom: 1.4rem; max-width: 38ch; }

.thanks-by {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--hair);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 0.6rem;
  align-items: baseline;
}
.thanks-by .by-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  grid-column: 1;
  grid-row: 1 / span 3;
  align-self: start;
  padding-top: 4px;
}
.thanks-by strong {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy);
}
.thanks-by .by-team {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--navy);
  opacity: 0.75;
}
.thanks-by .by-mail {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.thanks-by .by-mail:hover { border-bottom-color: var(--orange); }

.thanks-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}

.qr-card {
  padding: 1.4rem 1.4rem 1.5rem;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 10px;
  border-top: 3px solid var(--teal);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.qr-card-c4c { border-top-color: #25d366; }
.qr-band {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.7rem;
  align-self: flex-start;
}
.qr-card-c4c .qr-band { color: #25d366; }
.qr-card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.4rem;
  color: var(--navy);
  margin-bottom: 1rem;
  line-height: 1.1;
}
.qr-frame {
  width: 180px;
  height: 180px;
  background: #fff;
  border: 1px solid var(--hair);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.9rem;
  box-shadow: 0 4px 18px -8px rgba(1, 59, 104, 0.18);
}
.qr-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.qr-placeholder {
  background: repeating-linear-gradient(45deg, var(--off-white) 0 6px, var(--paper) 6px 12px);
  border-style: dashed;
}
.qr-placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: var(--navy);
  opacity: 0.55;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
}
.qr-ph-icon { font-size: 2.6rem; opacity: 0.4; line-height: 1; }
.qr-ph-text small { font-size: 0.6rem; opacity: 0.7; letter-spacing: 0.16em; }

.qr-caption {
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--navy);
  opacity: 0.78;
  max-width: 28ch;
}

.thanks-foot {
  position: absolute;
  bottom: 1.6rem;
  left: var(--slide-pad);
  right: var(--slide-pad);
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--navy);
  opacity: 0.7;
}
.thanks-foot em { color: var(--orange); font-style: italic; }

/* ─────────────────────────────────────────────────────────────
   PERSISTENT SLIDE COUNTER
   ───────────────────────────────────────────────────────────── */
.slide-counter {
  position: fixed;
  bottom: 1.2rem;
  right: 1.4rem;
  z-index: 50;
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--navy);
  opacity: 0.55;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  pointer-events: none;
}
.counter-divider {
  width: 18px;
  height: 1px;
  background: var(--navy);
  opacity: 0.5;
}
#slide-current { color: var(--teal); font-weight: 600; }

/* Hide reveal's own progress, use ours via state */
.reveal .progress {
  color: var(--teal);
  height: 2px;
}
.reveal .controls { color: var(--navy); opacity: 0.4; }

/* On dark-state slides, lighten counter */
body.dark-slide .slide-counter { color: rgba(255, 248, 238, 0.65); }
body.dark-slide .counter-divider { background: rgba(255, 248, 238, 0.6); }
body.dark-slide #slide-current { color: var(--orange); }

/* ────── Fragments — refined motion ────── */
.reveal .fragment {
  transition:
    opacity 0.55s cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 0.65s cubic-bezier(0.2, 0.7, 0.2, 1),
    filter 0.55s ease;
}

/* Soft fade-up: subtle rise + scale, perfect for cards */
.reveal .fragment.fade-up {
  opacity: 0;
  transform: translateY(26px) scale(0.97);
  visibility: inherit;
  filter: blur(2px);
}
.reveal .fragment.fade-up.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* Slide-in from the left, for list items */
.reveal .fragment.slide-in-l {
  opacity: 0;
  transform: translateX(-32px);
  visibility: inherit;
}
.reveal .fragment.slide-in-l.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Lift: gentle scale + lift, for hero items */
.reveal .fragment.lift {
  opacity: 0;
  transform: translateY(18px) scale(0.94);
  visibility: inherit;
  filter: blur(3px);
}
.reveal .fragment.lift.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* Reveal underline / highlight wipe */
.reveal .fragment.wipe-in {
  opacity: 0;
  clip-path: inset(0 100% 0 0);
  visibility: inherit;
  transition: opacity 0.4s ease, clip-path 0.7s cubic-bezier(0.7, 0, 0.2, 1);
}
.reveal .fragment.wipe-in.visible {
  opacity: 1;
  clip-path: inset(0 0 0 0);
}

/* Reset pillar offsets so fragment transforms don't fight them */
.pillar:nth-child(1),
.pillar:nth-child(4) { transform: none; }
.pillars-cards { align-items: center; }
.pillar { transition: opacity 0.55s, transform 0.65s, border-color 0.3s; }
.pillar:hover { transform: translateY(-4px); border-color: var(--teal); }

/* ────── Print-PDF tweaks ────── */
@media print {
  .slide-counter { display: none; }
}

/* ────── Smaller screens / scaled preview ────── */
@media (max-width: 900px) {
  :root { --slide-pad: 2.4rem; }
  .pillars-grid,
  .compare-grid,
  .asset-grid,
  .curriculum-grid,
  .impl-grid,
  .ready-grid,
  .ms-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem;
  }
  .activity-cards,
  .pillars-cards,
  .timeline,
  .checklist,
  .ms-tiles { grid-template-columns: 1fr !important; }
  .quiz-host { grid-template-columns: 1fr; }
}