:root {
  --paper: #f4f0e6;
  --paper-bright: #fbf9f3;
  --ink: #1f2d32;
  --ink-soft: #5c696b;
  --spruce: #244f45;
  --spruce-deep: #173b34;
  --sage: #dfe8dc;
  --gold: #bd9654;
  --gold-pale: #efe3c8;
  --copper: #ad603b;
  --line: rgba(31, 45, 50, 0.18);
  --shadow: 0 22px 70px rgba(31, 45, 50, 0.15);
  --header-height: 64px;
  --controls-height: 72px;
  --serif: "Iowan Old Style", "Baskerville", "Times New Roman", serif;
  --sans: "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(189, 150, 84, 0.13), transparent 28rem),
    linear-gradient(145deg, var(--paper-bright), var(--paper));
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

button, input { font: inherit; }

button { color: inherit; }

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--copper);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-160%);
  padding: 0.7rem 1rem;
  border-radius: 4px;
  color: white;
  background: var(--spruce-deep);
}

.skip-link:focus { transform: translateY(0); }

.deck-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3.5vw;
  border-bottom: 1px solid var(--line);
  background: rgba(251, 249, 243, 0.87);
  backdrop-filter: blur(14px);
}

.deck-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 700;
}

.rule { width: 1.9rem; height: 2px; background: var(--gold); }

.facilitator,
.kicker,
.eyebrow,
.source-note {
  font-family: var(--mono);
  letter-spacing: 0.095em;
  text-transform: uppercase;
}

.facilitator { color: var(--ink-soft); font-size: 0.7rem; }

.deck {
  position: fixed;
  inset: var(--header-height) 0 var(--controls-height);
}

.slide {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: center;
  gap: clamp(1.25rem, 2.3vh, 2.4rem);
  width: 100%;
  max-width: 1500px;
  margin: auto;
  padding: clamp(1.5rem, 3vw, 3.8rem) clamp(2rem, 5vw, 5.5rem);
  overflow: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateX(2.5%);
  transition: opacity 260ms ease, transform 320ms ease, visibility 0s linear 320ms;
}

.slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  transition-delay: 0s;
}

.slide.is-before { transform: translateX(-2.5%); }

.slide h1,
.slide h2,
.slide h3,
.method-dialog h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 650;
  letter-spacing: -0.035em;
}

.slide h1 {
  max-width: 980px;
  font-size: clamp(4.6rem, 9vw, 9.6rem);
  line-height: 0.82;
  letter-spacing: -0.07em;
}

.slide h1 span { color: var(--gold); font-weight: 400; }

.slide h2,
.method-dialog h2 {
  max-width: 1160px;
  font-size: clamp(2.7rem, 5vw, 5.8rem);
  line-height: 0.98;
}

.slide h3 { font-size: clamp(1.3rem, 1.8vw, 2rem); line-height: 1.08; }

.slide p { margin: 0; }

.kicker,
.eyebrow {
  margin: 0 0 0.8rem !important;
  color: var(--copper);
  font-size: clamp(0.66rem, 0.8vw, 0.82rem);
  font-weight: 750;
}

.lede {
  max-width: 950px;
  margin-top: 1.25rem !important;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 1.7vw, 1.7rem);
  line-height: 1.42;
}

.slide-copy { max-width: 1200px; }
.narrow-copy { max-width: 1050px; }

.source-note {
  align-self: end;
  color: var(--ink-soft);
  font-size: clamp(0.56rem, 0.63vw, 0.68rem);
  line-height: 1.45;
}

.takeaway {
  max-width: 980px;
  padding-left: 1.25rem;
  border-left: 3px solid var(--gold);
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.8vw, 2rem);
  line-height: 1.28;
}

/* Title */
.slide--title {
  align-content: end;
  background:
    linear-gradient(90deg, transparent 0 68%, rgba(36, 79, 69, 0.07) 68%),
    radial-gradient(circle at 84% 28%, rgba(36, 79, 69, 0.17), transparent 23rem);
}

.title-lockup { margin-bottom: 2vh; }
.slide--title .lede { max-width: 760px; }

/* Relationship continuum */
.continuum {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.continuum li {
  min-height: 13rem;
  padding: 1.2rem 1.2rem 1rem;
  border-top: 2px solid var(--spruce);
  border-right: 1px solid var(--line);
}

.continuum li:last-child { border-right: 0; }
.continuum li:nth-child(even) { border-top-color: var(--gold); }
.continuum span { display: block; margin-bottom: 2.3rem; color: var(--copper); font-family: var(--mono); font-size: 0.72rem; }
.continuum strong { display: block; font-family: var(--serif); font-size: clamp(1.2rem, 1.6vw, 1.8rem); line-height: 1.1; }
.continuum small { display: block; margin-top: 0.6rem; color: var(--ink-soft); font-size: clamp(0.78rem, 0.95vw, 1rem); line-height: 1.4; }

/* Evidence */
.evidence-stack { display: grid; gap: 0; max-width: 1200px; }
.evidence-stack article { display: grid; grid-template-columns: 4rem 1fr; gap: 1.5rem; align-items: start; padding: 1.25rem 0; border-top: 1px solid var(--line); }
.evidence-stack article:last-child { border-bottom: 1px solid var(--line); }
.evidence-number { display: grid; place-items: center; width: 3rem; height: 3rem; border-radius: 50%; color: white; background: var(--spruce); font-family: var(--mono); font-size: 0.8rem; }
.evidence-stack article:nth-child(2) .evidence-number { color: var(--ink); background: var(--gold-pale); }
.evidence-stack article:nth-child(3) .evidence-number { background: var(--copper); }
.evidence-stack h3 { margin-bottom: 0.35rem; }
.evidence-stack p { max-width: 920px; color: var(--ink-soft); font-size: clamp(0.9rem, 1.15vw, 1.2rem); line-height: 1.43; }

/* Boundary */
.boundary { display: grid; grid-template-columns: 1fr minmax(180px, 0.42fr) 1fr; align-items: stretch; max-width: 1250px; }
.boundary-system { min-height: 16rem; padding: clamp(1.5rem, 2.5vw, 2.5rem); border: 1px solid var(--line); }
.boundary-system--record { background: var(--paper-bright); }
.boundary-system--engagement { color: white; background: var(--spruce-deep); border-color: var(--spruce-deep); }
.boundary-system--engagement .eyebrow { color: var(--gold-pale); }
.boundary-system h3 { margin-bottom: 1rem; font-size: clamp(1.8rem, 2.6vw, 3rem); }
.boundary-system p:last-child { color: inherit; opacity: 0.82; font-size: clamp(0.95rem, 1.15vw, 1.18rem); line-height: 1.5; }
.boundary-bridge { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.6rem; color: var(--spruce); font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.06em; text-transform: uppercase; }
.boundary-bridge::before, .boundary-bridge::after { content: ""; width: 100%; height: 1px; background: var(--gold); }

/* User map */
.user-orbit { position: relative; min-height: 340px; max-width: 1150px; margin: 0 auto; width: 100%; }
.orbit-core { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%); display: grid; place-items: center; align-content: center; width: 190px; height: 190px; padding: 1rem; border-radius: 50%; color: white; background: var(--spruce-deep); text-align: center; box-shadow: var(--shadow); }
.orbit-core span { font-family: var(--serif); font-size: 2rem; }
.orbit-core small { margin-top: 0.2rem; opacity: 0.7; font-size: 0.75rem; }
.orbit-item { position: absolute; max-width: 230px; padding: 0.65rem 0.85rem; border-top: 2px solid var(--gold); background: rgba(251,249,243,0.75); font-weight: 650; line-height: 1.25; }
.orbit-1 { top: 4%; left: 6%; }
.orbit-2 { top: 4%; right: 2%; }
.orbit-3 { top: 48%; right: 4%; }
.orbit-4 { bottom: 3%; left: 14%; }
.orbit-5 { bottom: 2%; right: 17%; }

/* Profiles */
.slide--profile { grid-template-rows: auto auto auto auto; }
.profile-heading { max-width: 1150px; }
.profile-heading h2 { font-size: clamp(2.6rem, 4.4vw, 5rem); }
.profile-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; border-top: 2px solid var(--spruce); border-bottom: 1px solid var(--line); }
.profile-grid > div { padding: 1.2rem 1.2rem 1.4rem; border-right: 1px solid var(--line); }
.profile-grid > div:last-child { border-right: 0; }
.profile-grid dt { margin-bottom: 1.6rem; color: var(--copper); font-family: var(--mono); font-size: 0.68rem; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; }
.profile-grid dd { margin: 0; color: var(--ink-soft); font-size: clamp(0.87rem, 1.04vw, 1.08rem); line-height: 1.48; }
.profile-question { max-width: 1050px; font-family: var(--serif); font-size: clamp(1.25rem, 1.8vw, 2rem); line-height: 1.3; }

/* Stakeholders */
.stakeholder-pair { display: grid; grid-template-columns: 1fr 1fr; max-width: 1200px; border-top: 2px solid var(--spruce); border-bottom: 1px solid var(--line); }
.stakeholder-pair article { min-height: 14rem; padding: 1.6rem 2rem 1.8rem 0; }
.stakeholder-pair article + article { padding-left: 2rem; border-left: 1px solid var(--line); }
.stakeholder-pair h3 { margin-bottom: 1rem; font-size: clamp(1.8rem, 2.7vw, 3rem); }
.stakeholder-pair article > p:last-child { max-width: 530px; color: var(--ink-soft); font-size: clamp(0.95rem, 1.14vw, 1.16rem); line-height: 1.5; }

/* Journey */
.journey { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); margin: 0; padding: 0; list-style: none; }
.journey li { position: relative; min-height: 17rem; padding: 1.4rem 0.9rem; border-top: 2px solid var(--spruce); border-right: 1px solid var(--line); }
.journey li:nth-child(n+6) { border-top-color: var(--gold); }
.journey li:last-child { border-right: 0; }
.journey strong, .journey span, .journey em { display: block; }
.journey strong { min-height: 3.5rem; font-family: var(--serif); font-size: clamp(1rem, 1.35vw, 1.45rem); line-height: 1.15; }
.journey span { margin-top: 2rem; color: var(--ink-soft); font-size: clamp(0.72rem, 0.82vw, 0.88rem); line-height: 1.38; }
.journey em { position: absolute; bottom: 1rem; color: var(--copper); font-size: clamp(0.68rem, 0.78vw, 0.82rem); font-style: normal; font-weight: 700; }

/* Concepts */
.slide--concept { grid-template-columns: minmax(270px, 0.36fr) minmax(0, 1fr); grid-template-rows: 1fr auto; align-items: center; column-gap: clamp(1.5rem, 3vw, 3.5rem); }
.concept-copy { align-self: center; }
.concept-copy h2 { font-size: clamp(2.4rem, 3.9vw, 4.6rem); }
.concept-copy > p:not(.kicker) { margin-top: 1.1rem; color: var(--ink-soft); font-size: clamp(0.95rem, 1.2vw, 1.2rem); line-height: 1.48; }
.concept-image-button,
.concept-pane {
  position: relative;
  display: grid;
  gap: 0.6rem;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  text-align: left;
}
.concept-image-button img,
.concept-pane img {
  display: block;
  width: 100%;
  max-height: 63vh;
  object-fit: contain;
  border: 1px solid rgba(31, 45, 50, 0.16);
  border-radius: 4px;
  box-shadow: var(--shadow);
  background: white;
}
.concept-image-button > span,
.concept-pane > span { color: var(--ink-soft); font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.05em; text-transform: uppercase; }
.slide--concept .source-note { grid-column: 1 / -1; }

.slide--concept-tabs { grid-template-columns: minmax(270px, 0.28fr) minmax(0, 1fr); grid-template-rows: auto auto 1fr auto; align-content: center; }
.slide--concept-tabs .concept-copy { grid-row: 1 / span 3; align-self: center; }
.concept-tabs { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.concept-tabs button { padding: 0.55rem 0.8rem; border: 1px solid var(--line); border-radius: 100px; color: var(--ink-soft); background: var(--paper-bright); cursor: pointer; }
.concept-tabs button[aria-selected="true"] { color: white; background: var(--spruce); border-color: var(--spruce); }
.concept-panes { min-height: 0; }
.concept-pane:not(.is-active) { display: none; }
.concept-pane img { max-height: 54vh; }

/* Report lessons */
.report-lessons { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 1220px; border-top: 2px solid var(--spruce); }
.report-lessons p { min-height: 9rem; padding: 1.2rem 1.2rem 1.2rem 0; border-bottom: 1px solid var(--line); color: var(--ink-soft); font-size: clamp(0.9rem, 1.07vw, 1.1rem); line-height: 1.48; }
.report-lessons p:not(:nth-child(3n + 1)) { padding-left: 1.2rem; border-left: 1px solid var(--line); }
.report-lessons strong { display: block; margin-bottom: 0.65rem; color: var(--ink); font-family: var(--serif); font-size: clamp(1.3rem, 1.7vw, 1.8rem); }

/* Confirmed/questions */
.confirmed-questions { display: grid; grid-template-columns: 1fr 1fr; max-width: 1250px; border-top: 2px solid var(--spruce); border-bottom: 1px solid var(--line); }
.confirmed-questions article { padding: 1.4rem 2.2rem 1.4rem 0; }
.confirmed-questions article + article { padding-left: 2.2rem; border-left: 1px solid var(--line); }
.confirmed-questions ul { display: grid; gap: 0.7rem; margin: 0; padding-left: 1.2rem; }
.confirmed-questions li { color: var(--ink-soft); font-size: clamp(0.87rem, 1.05vw, 1.08rem); line-height: 1.42; }

/* Principles */
.principles { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; max-width: 1250px; list-style: none; border-top: 2px solid var(--spruce); }
.principles li { min-height: 9.2rem; padding: 1.2rem 1.2rem 1.25rem 0; border-bottom: 1px solid var(--line); }
.principles li:not(:nth-child(3n + 1)) { padding-left: 1.2rem; border-left: 1px solid var(--line); }
.principles span { display: block; margin-bottom: 0.55rem; color: var(--copper); font-family: var(--mono); font-size: 0.65rem; }
.principles strong, .principles small { display: block; }
.principles strong { font-family: var(--serif); font-size: clamp(1.15rem, 1.55vw, 1.65rem); line-height: 1.18; }
.principles small { margin-top: 0.4rem; color: var(--ink-soft); font-size: clamp(0.8rem, 0.92vw, 0.98rem); line-height: 1.38; }

/* Pilot */
.pilot-lines { display: grid; max-width: 1200px; border-top: 2px solid var(--spruce); }
.pilot-lines > div { display: grid; grid-template-columns: minmax(260px, 0.48fr) 1fr; gap: 2.2rem; padding: 0.85rem 0; border-bottom: 1px solid var(--line); }
.pilot-lines strong { font-family: var(--serif); font-size: clamp(1.1rem, 1.45vw, 1.55rem); }
.pilot-lines span { align-self: center; color: var(--ink-soft); font-size: clamp(0.85rem, 1vw, 1.05rem); }

/* Questions */
.question-list { display: grid; max-width: 1250px; border-top: 2px solid var(--spruce); }
.question-list p { display: grid; grid-template-columns: 8rem 1fr; gap: 1.5rem; padding: 0.9rem 0; border-bottom: 1px solid var(--line); font-family: var(--serif); font-size: clamp(1.1rem, 1.7vw, 1.85rem); line-height: 1.25; }
.question-list span { color: var(--copper); font-family: var(--mono); font-size: 0.66rem; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; }

/* Closing */
.slide--closing { color: white; background: var(--spruce-deep); }
.slide--closing .kicker { color: var(--gold-pale); }
.closing-copy { max-width: 1180px; }
.closing-copy h2 { font-size: clamp(3.2rem, 6vw, 7rem); }
.closing-copy > p:last-child { max-width: 900px; margin-top: 1.4rem; color: rgba(255,255,255,0.68); font-size: clamp(1rem, 1.45vw, 1.45rem); line-height: 1.45; }
.closing-rule { width: 40%; height: 2px; background: var(--gold); }
.closing-note { max-width: 900px; font-family: var(--serif); font-size: clamp(1.2rem, 1.8vw, 1.9rem); line-height: 1.35; }
.slide--closing .source-note { color: rgba(255,255,255,0.58); }

/* Controls */
.deck-controls {
  position: fixed;
  z-index: 30;
  inset: auto 0 0;
  height: var(--controls-height);
  display: grid;
  grid-template-columns: 46px minmax(90px, 210px) auto 46px 1fr;
  align-items: center;
  gap: 0.75rem;
  padding: 0 3.5vw;
  border-top: 1px solid var(--line);
  background: rgba(251, 249, 243, 0.91);
  backdrop-filter: blur(14px);
}

.control-button,
.method-button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-bright);
  cursor: pointer;
}

.control-button { width: 42px; height: 42px; font-size: 1.25rem; }
.control-button:disabled { opacity: 0.35; cursor: default; }
.method-button { justify-self: end; padding: 0.55rem 0.9rem; color: var(--ink-soft); font-size: 0.75rem; font-weight: 650; }
.deck-progress { height: 3px; overflow: hidden; border-radius: 3px; background: rgba(31,45,50,0.14); }
.deck-progress span { display: block; width: 0; height: 100%; background: var(--gold); transition: width 220ms ease; }
.slide-count { margin: 0; font-family: var(--mono); font-size: 0.72rem; }

/* Dialogs */
dialog { border: 0; }
dialog::backdrop { background: rgba(18, 31, 34, 0.72); backdrop-filter: blur(5px); }
.method-dialog,
.image-dialog {
  max-width: min(92vw, 960px);
  max-height: 88vh;
  padding: clamp(1.6rem, 3vw, 3rem);
  border-radius: 8px;
  color: var(--ink);
  background: var(--paper-bright);
  box-shadow: var(--shadow);
}
.method-dialog h2 { font-size: clamp(2.2rem, 4vw, 4rem); }
.method-dialog ul { display: grid; gap: 0.75rem; padding-left: 1.25rem; color: var(--ink-soft); line-height: 1.5; }
.method-dialog > p:last-child { padding-top: 1rem; border-top: 1px solid var(--line); font-weight: 700; }
.dialog-close { float: right; padding: 0.55rem 0.8rem; border: 1px solid var(--line); border-radius: 999px; background: white; cursor: pointer; }
.image-dialog { width: min(96vw, 1500px); }
.image-dialog img { display: block; max-width: 100%; max-height: 76vh; margin: auto; object-fit: contain; }
.image-dialog > p { margin: 0.75rem 0 0; color: var(--ink-soft); font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.06em; text-align: center; text-transform: uppercase; }

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 900px) {
  :root { --header-height: 52px; --controls-height: 66px; }
  .deck-header { padding: 0 1rem; }
  .facilitator { display: none; }
  .deck-brand { font-size: 0.92rem; }
  .slide { align-content: start; padding: 1.4rem 1.15rem 2rem; }
  .slide h1 { font-size: clamp(3.9rem, 18vw, 7rem); }
  .slide h2 { font-size: clamp(2.25rem, 10vw, 4rem); }
  .slide--title { align-content: center; }
  .continuum { grid-template-columns: 1fr; }
  .continuum li { display: grid; grid-template-columns: 2.4rem 1fr; min-height: auto; padding: 0.8rem 0; border-top: 1px solid var(--line); border-right: 0; }
  .continuum span { grid-row: 1 / span 2; margin: 0; }
  .continuum small { margin-top: 0.15rem; }
  .boundary { grid-template-columns: 1fr; }
  .boundary-system { min-height: auto; }
  .boundary-bridge { min-height: 5rem; }
  .boundary-bridge::before, .boundary-bridge::after { width: 1px; height: 1.5rem; }
  .user-orbit { display: grid; gap: 0.5rem; min-height: auto; }
  .orbit-core, .orbit-item { position: static; width: auto; height: auto; max-width: none; transform: none; border-radius: 0; text-align: left; }
  .orbit-core { display: block; padding: 1rem; }
  .orbit-core span { display: block; font-size: 1.6rem; }
  .orbit-item { padding: 0.7rem; }
  .profile-grid { grid-template-columns: 1fr; }
  .profile-grid > div { padding: 0.85rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .profile-grid > div:last-child { border-bottom: 0; }
  .profile-grid dt { margin-bottom: 0.3rem; }
  .stakeholder-pair, .confirmed-questions { grid-template-columns: 1fr; }
  .stakeholder-pair article, .confirmed-questions article { min-height: auto; padding: 1rem 0; }
  .stakeholder-pair article + article, .confirmed-questions article + article { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .journey { grid-template-columns: 1fr 1fr; }
  .journey li { min-height: 8.5rem; border-bottom: 1px solid var(--line); }
  .journey strong { min-height: auto; }
  .journey span { margin-top: 0.5rem; }
  .journey em { position: static; margin-top: 0.5rem; }
  .slide--concept, .slide--concept-tabs { grid-template-columns: 1fr; grid-template-rows: auto; align-content: start; }
  .slide--concept-tabs .concept-copy { grid-row: auto; }
  .concept-image-button img, .concept-pane img { max-height: none; }
  .slide--concept .source-note { grid-column: auto; }
  .report-lessons, .principles { grid-template-columns: 1fr; }
  .report-lessons p, .principles li { min-height: auto; padding: 0.85rem 0; border-left: 0 !important; }
  .pilot-lines > div { grid-template-columns: 1fr; gap: 0.25rem; }
  .question-list p { grid-template-columns: 1fr; gap: 0.25rem; font-size: 1.15rem; }
  .deck-controls { grid-template-columns: 42px 1fr auto 42px; gap: 0.55rem; padding: 0 0.8rem; }
  .method-button { position: fixed; top: 0.55rem; right: 0.8rem; z-index: 31; padding: 0.42rem 0.65rem; font-size: 0.64rem; }
  .slide-count { min-width: 2.8rem; }
}

@media (max-height: 750px) and (min-width: 901px) {
  .slide { gap: 0.9rem; padding-top: 1rem; padding-bottom: 1rem; }
  .slide h2 { font-size: clamp(2.4rem, 4.3vw, 4.7rem); }
  .lede { margin-top: 0.7rem !important; }
  .profile-grid > div { padding-top: 0.8rem; padding-bottom: 0.9rem; }
  .profile-grid dt { margin-bottom: 0.75rem; }
  .concept-image-button img { max-height: 58vh; }
  .continuum li { min-height: 10rem; }
  .continuum span { margin-bottom: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
  body { overflow: visible; background: white; }
  .deck-header, .deck-controls, .skip-link { display: none; }
  .deck { position: static; }
  .slide { position: relative; min-height: 100vh; page-break-after: always; opacity: 1; visibility: visible; transform: none; }
}