:root {
  --bg: #050807;
  --fg: #e9f4e5;
  --muted: #9aa89c;
  --accent: #39ff88;
  --amber: #ffbd4a;
  --red: #ff4f4f;
  --magenta: #ff4fd8;
  --steel: #9fb3c8;
  --panel: rgba(7, 12, 10, 0.92);
  --sanity-color: #39ff88;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  background: #050807;
  color: var(--fg);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  transition: background 800ms ease, color 800ms ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.25;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.03),
    rgba(255, 255, 255, 0.03) 1px,
    transparent 1px,
    transparent 4px
  );
  mix-blend-mode: overlay;
  opacity: 0.16;
}

.mood-boardroom {
  background: #d9dde7;
  color: #172033;
}

.mood-compliance {
  background: #20262d;
}

.mood-fracture {
  background: #141414;
}

.mood-mine {
  background: #080a08;
}

.mood-industrial {
  background: #0d0b08;
}

.mood-warning {
  background: #120707;
}

.mood-uncanny {
  background: #050908;
}

.mood-hopeful {
  background: #06110c;
}

.mood-eldritch {
  background: #050106;
}

.mood-exit {
  background: #09140e;
}

.fallback-message {
  display: none;
  max-width: 760px;
  margin: 4rem auto;
  padding: 1.5rem;
  border: 2px solid var(--amber);
  background: #111;
  color: var(--fg);
  line-height: 1.5;
}

.impress-not-supported .fallback-message {
  display: block;
}

.deck-hud {
  position: fixed;
  bottom: 0;
  left: 0;
  right: auto;
  z-index: 1000;
  display: grid;
  grid-template-columns: minmax(320px, 520px) 84px;
  gap: 12px;
  align-items: center;
  width: min(640px, calc(100vw - 24px));
  margin: 0 0 12px 12px;
  padding: 12px 14px;
  color: var(--fg);
  background: rgba(0, 0, 0, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  backdrop-filter: blur(10px);
  font-size: 15px;
}

.mood-boardroom .deck-hud {
  color: #172033;
  background: rgba(244, 246, 250, 0.88);
  border-color: rgba(23, 32, 51, 0.2);
}

.hud-label {
  display: none;
}

.sanity-meter {
  display: grid;
  grid-template-columns: auto 1fr 52px;
  gap: 10px;
  align-items: center;
}

.sanity-track {
  height: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(0, 0, 0, 0.45);
}

.mood-boardroom .sanity-track {
  border-color: rgba(23, 32, 51, 0.3);
  background: rgba(23, 32, 51, 0.12);
}

#sanity-fill {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--sanity-color);
  box-shadow: 0 0 18px var(--sanity-color);
  transition: width 700ms ease, background 700ms ease, box-shadow 700ms ease;
}

#slide-counter {
  text-align: right;
}

.step {
  position: relative;
  width: 1000px;
}

.slide {
  overflow: hidden;
  min-height: 680px;
  padding: 56px;
  border: 2px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: var(--panel);
  color: var(--fg);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.42);
}

.image-hero {
  padding: 0;
  display: grid;
  align-items: stretch;
  isolation: isolate;
}

.image-hero > img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.84) 36%, rgba(255, 255, 255, 0.1) 100%);
}

.image-hero.dark-overlay::after {
  background: linear-gradient(90deg, rgba(2, 7, 12, 0.92) 0%, rgba(2, 7, 12, 0.66) 33%, rgba(2, 7, 12, 0.06) 68%);
}

.image-hero.industrial::after,
.image-hero.uncanny::after,
.image-hero.eldritch::after {
  background: linear-gradient(90deg, rgba(2, 5, 4, 0.88) 0%, rgba(2, 5, 4, 0.62) 42%, rgba(2, 5, 4, 0.12) 100%);
}

.image-hero.finale::after {
  background:
    radial-gradient(circle at 78% 42%, rgba(255, 79, 216, 0.08), transparent 28%),
    linear-gradient(90deg, rgba(2, 5, 4, 0.9) 0%, rgba(2, 5, 4, 0.58) 40%, rgba(2, 5, 4, 0.05) 100%);
}

.image-hero.final-fine::after {
  background: linear-gradient(90deg, rgba(2, 5, 4, 0.9) 0%, rgba(2, 5, 4, 0.58) 34%, rgba(2, 5, 4, 0.08) 62%);
}

.hero-copy {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 54%;
  min-height: 680px;
  padding: 58px;
}

.hero-copy.dark {
  color: var(--fg);
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.84);
}

.hero-rail {
  display: grid;
  gap: 12px;
  max-width: 520px;
}

.hero-rail span {
  display: block;
  width: fit-content;
  padding: 10px 14px;
  border-left: 5px solid var(--accent);
  background: rgba(0, 0, 0, 0.42);
  font-size: 30px;
  font-weight: 800;
}

.media-slide {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 34px;
  align-items: center;
}

.media-slide h2 {
  font-size: 56px;
}

.media-slide p {
  font-size: 28px;
}

.media-slide figure {
  margin: 0;
}

.media-slide img {
  display: block;
  width: 100%;
  max-height: 470px;
  object-fit: cover;
  object-position: top left;
  border: 2px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.38);
}

.media-slide figcaption {
  margin-top: 12px;
  color: inherit;
  opacity: 0.68;
  font-size: 18px;
  text-align: right;
}

.media-slide.fit-shot {
  grid-template-columns: minmax(0, 0.76fr) minmax(0, 1.24fr);
  gap: 42px;
}

.media-slide.fit-shot .big-list {
  font-size: 30px;
  line-height: 1.18;
}

.media-slide.fit-shot h2 {
  max-width: none;
  font-size: 34px;
}

.media-slide.fit-shot figure {
  align-self: stretch;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
}

.media-slide.fit-shot img {
  max-height: 430px;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.32);
}

.impress-enabled .step {
  opacity: 0.16;
  filter: saturate(0.75);
  transition: opacity 600ms ease, filter 600ms ease;
}

.impress-enabled .step.active {
  opacity: 1;
  filter: saturate(1);
}

.impress-not-supported {
  overflow: auto;
}

.impress-not-supported #impress {
  max-width: 1080px;
  margin: 2rem auto;
}

.impress-not-supported .step {
  position: static;
  margin: 2rem auto;
}

.corporate {
  background:
    linear-gradient(180deg, #f8f9fc 0%, #eef2f7 100%);
  color: #172033;
  border-color: #c7cfdb;
  font-family: Arial, Helvetica, sans-serif;
}

.corporate::before,
.compliance::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 12px;
  background: #2457a6;
}

.compliance {
  background: #f4f5f0;
  color: #1d2528;
  border-color: #9ba7aa;
}

.compliance::before {
  background: repeating-linear-gradient(90deg, #2457a6 0 42px, #7a8796 42px 84px);
}

.fracture {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(225, 229, 218, 0.92)),
    repeating-linear-gradient(45deg, transparent 0 30px, rgba(255, 79, 79, 0.18) 30px 32px);
  color: #141414;
  border-color: #ff4f4f;
}

.mine {
  background:
    linear-gradient(180deg, rgba(6, 10, 8, 0.96), rgba(9, 14, 10, 0.96)),
    repeating-linear-gradient(90deg, transparent 0 48px, rgba(57, 255, 136, 0.06) 48px 50px);
  border-color: rgba(57, 255, 136, 0.38);
}

.industrial {
  background:
    linear-gradient(180deg, rgba(17, 15, 11, 0.96), rgba(7, 9, 8, 0.96));
  border-color: rgba(255, 189, 74, 0.55);
}

.industrial::before,
.warning::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 18px;
  background: repeating-linear-gradient(135deg, #ffbd4a 0 24px, #17120a 24px 48px);
}

.warning {
  background:
    linear-gradient(180deg, rgba(20, 7, 7, 0.97), rgba(8, 7, 7, 0.96));
  border-color: rgba(255, 79, 79, 0.62);
}

.uncanny {
  background:
    repeating-linear-gradient(7deg, rgba(57, 255, 136, 0.08) 0 2px, transparent 2px 34px),
    linear-gradient(180deg, rgba(2, 10, 8, 0.98), rgba(8, 4, 12, 0.96));
  border-color: rgba(57, 255, 136, 0.7);
}

.hopeful {
  background:
    linear-gradient(180deg, rgba(7, 23, 14, 0.97), rgba(5, 12, 9, 0.96));
  border-color: rgba(101, 255, 177, 0.6);
}

.eldritch {
  background:
    repeating-conic-gradient(from 120deg, rgba(57, 255, 136, 0.12) 0 8deg, rgba(255, 79, 79, 0.08) 8deg 13deg, rgba(255, 79, 216, 0.12) 13deg 21deg),
    repeating-linear-gradient(90deg, transparent 0 26px, rgba(255, 255, 255, 0.04) 26px 27px),
    #050106;
  border-color: rgba(255, 79, 216, 0.78);
  box-shadow: 0 0 60px rgba(255, 79, 216, 0.22), 0 24px 80px rgba(0, 0, 0, 0.6);
}

.exit {
  background:
    linear-gradient(180deg, rgba(232, 255, 238, 0.96), rgba(207, 232, 216, 0.94));
  color: #0b1b12;
  border-color: #39a96b;
}

.final-fine h2 {
  max-width: 7ch;
  font-size: 112px;
  line-height: 0.92;
}

.eyebrow {
  margin: 0 0 24px;
  color: inherit;
  opacity: 0.68;
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0 0 28px;
  max-width: 900px;
  font-weight: 900;
  line-height: 0.98;
}

h1 {
  font-size: 86px;
}

h2 {
  font-size: 68px;
}

p {
  font-size: 32px;
  line-height: 1.22;
}

.subtitle {
  max-width: 780px;
  font-size: 34px;
  color: #39475f;
}

.author-line {
  margin: 0 0 18px;
  color: #172033;
  font-size: 30px;
  font-weight: 800;
}

.callout {
  display: block;
  margin: 26px 0;
  padding-left: 26px;
  border-left: 8px solid var(--accent);
  font-size: 42px;
  font-weight: 900;
}

.danger {
  border-left-color: var(--red);
  color: #ffd0d0;
}

.fracture .danger,
.corporate .callout,
.compliance .callout {
  color: inherit;
}

.agenda-strip {
  position: absolute;
  left: 56px;
  right: 56px;
  bottom: 46px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid #c7cfdb;
  color: #39475f;
  font-size: 18px;
  font-weight: 700;
}

.agenda-strip span {
  padding-top: 16px;
}

.three-cells,
.rail-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.three-cells span,
.rail-list span {
  display: flex;
  align-items: center;
  min-height: 76px;
  padding: 16px 18px;
  border: 1px solid currentColor;
  background: rgba(0, 0, 0, 0.08);
  font-size: 26px;
  font-weight: 800;
  text-transform: uppercase;
}

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

.mkrbox-flow {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.mkrbox-flow span {
  position: relative;
  display: block;
  min-height: auto;
  padding: 0 0 0 30px;
  border: 0;
  background: transparent;
  font-size: 25px;
  line-height: 1.15;
  letter-spacing: 0;
}

.mkrbox-flow span::before {
  content: ">";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.split-statement {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin: 28px 0;
}

.split-statement p {
  min-height: 170px;
  margin: 0;
  padding: 24px;
  border: 1px solid currentColor;
  background: rgba(0, 0, 0, 0.08);
  font-size: 34px;
  font-weight: 800;
}

.big-list {
  margin: 28px 0 0;
  padding-left: 1.05em;
  font-size: 34px;
  line-height: 1.28;
}

.big-list li {
  margin: 0 0 14px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  font-size: 34px;
  line-height: 1.32;
}

.risk-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
  font-size: 30px;
}

.risk-grid span {
  min-height: 78px;
  display: flex;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid currentColor;
  background: rgba(0, 0, 0, 0.12);
}

.definition-box {
  margin-top: 34px;
  padding: 34px;
  border: 2px solid #2457a6;
  background: rgba(36, 87, 166, 0.08);
}

.definition-box p {
  margin: 0;
  font-size: 40px;
}

.fine-print,
.closing-line {
  color: inherit;
  opacity: 0.78;
  font-size: 26px;
}

.source-link {
  margin-top: 22px;
  font-size: 24px;
  font-weight: 800;
}

.source-link a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 6px;
}

pre {
  margin: 28px 0 0;
  white-space: pre-wrap;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 30px;
  line-height: 1.18;
}

.ascii-map,
.pipeline,
.terminal,
.corp-chart {
  padding: 28px;
  border: 1px solid rgba(57, 255, 136, 0.38);
  background: rgba(0, 0, 0, 0.38);
  color: #9dffc4;
}

.corp-chart {
  color: #172033;
  border-color: rgba(36, 87, 166, 0.36);
  background: rgba(36, 87, 166, 0.08);
}

.pipeline {
  color: #ffdf8a;
  border-color: rgba(255, 189, 74, 0.55);
}

.terminal {
  color: #d7ffe6;
  border-color: rgba(255, 189, 74, 0.55);
}

.corrupted {
  display: block;
  padding: 28px;
  border: 1px solid rgba(255, 79, 216, 0.65);
  background: rgba(0, 0, 0, 0.46);
  color: #b8ffce;
  text-shadow: 2px 0 var(--magenta), -2px 0 rgba(255, 79, 79, 0.7), 0 0 18px rgba(57, 255, 136, 0.55);
}

.finale h2 {
  color: #f7d9ff;
  text-shadow: 0 0 22px rgba(255, 79, 216, 0.55);
}

.speaker-notes {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

@media (max-width: 900px) {
  body {
    overflow: auto;
  }

  .deck-hud {
    grid-template-columns: 1fr;
    gap: 8px;
    font-size: 13px;
  }

  #slide-counter {
    text-align: left;
  }

  .slide {
    width: min(94vw, 1000px);
    min-height: auto;
    padding: 34px;
  }

  .image-hero {
    padding: 0;
    min-height: 620px;
  }

  .image-hero::after {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.82) 54%, rgba(255, 255, 255, 0.08) 100%);
  }

  .image-hero.dark-overlay::after {
    background: linear-gradient(180deg, rgba(2, 7, 12, 0.92) 0%, rgba(2, 7, 12, 0.62) 48%, rgba(2, 7, 12, 0.06) 100%);
  }

  .image-hero.industrial::after,
  .image-hero.uncanny::after,
  .image-hero.eldritch::after {
    background: linear-gradient(180deg, rgba(2, 5, 4, 0.9) 0%, rgba(2, 5, 4, 0.66) 58%, rgba(2, 5, 4, 0.12) 100%);
  }

  .hero-copy {
    width: 100%;
    min-height: 620px;
    padding: 34px;
  }

  h1 {
    font-size: 54px;
  }

  h2 {
    font-size: 46px;
  }

  p,
  .big-list,
  .two-col {
    font-size: 24px;
  }

  pre {
    font-size: 20px;
  }

  .two-col,
  .risk-grid,
  .agenda-strip,
  .media-slide,
  .three-cells,
  .rail-list,
  .split-statement {
    grid-template-columns: 1fr;
  }

  .media-slide img {
    max-height: 320px;
  }

  .media-slide.fit-shot .big-list {
    font-size: 24px;
  }

  .media-slide.fit-shot h2 {
    max-width: none;
    font-size: 42px;
  }

  .media-slide.fit-shot img {
    max-height: 300px;
  }

  .agenda-strip {
    position: static;
    margin-top: 34px;
  }
}