:root {
  --nn-void-black: #0a0a0f;
  --nn-neural-blue: #2d5bff;
  --nn-quantum-white: #f0f2f5;
  --nn-synapse-cyan: #00e5ff;
  --nn-plasma-violet: #8b5cf6;
  --nn-nebula-pink: #ff3d8b;
  --nn-steel-gray: #1a1a2e;
  --nn-dust-gray: #8a93a3;
  --nn-line: rgba(240, 242, 245, 0.1);
  --nn-line-strong: rgba(0, 229, 255, 0.42);
  --nn-panel: linear-gradient(180deg, rgba(26, 26, 46, 0.72), rgba(26, 26, 46, 0.34));
  --nn-panel-flat: rgba(26, 26, 46, 0.72);
  --nn-font-display: "Space Grotesk", system-ui, sans-serif;
  --nn-font-body: "Inter", system-ui, sans-serif;
  --nn-font-mono: "JetBrains Mono", ui-monospace, monospace;
  --nn-radius-card: 4px;
  --nn-radius-button: 2px;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--nn-void-black);
}

body {
  background:
    linear-gradient(90deg, rgba(240, 242, 245, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(240, 242, 245, 0.03) 1px, transparent 1px),
    linear-gradient(135deg, #0a0a0f 0%, #101221 50%, #0a0a0f 100%);
  background-size: 44px 44px, 44px 44px, auto;
}

.reveal-viewport {
  background:
    radial-gradient(circle at 18% 16%, rgba(0, 229, 255, 0.1), transparent 28%),
    linear-gradient(135deg, rgba(45, 91, 255, 0.12), transparent 44%),
    linear-gradient(180deg, rgba(10, 10, 15, 0.2), rgba(10, 10, 15, 0.74));
}

.reveal {
  color: var(--nn-quantum-white);
  font-family: var(--nn-font-body);
  font-size: 30px;
}

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

.reveal .slides section {
  box-sizing: border-box;
  height: 100%;
  padding: 46px 56px;
  overflow: hidden;
}

.reveal .slides section.present {
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  gap: 26px;
}

.reveal .slides section::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px solid rgba(240, 242, 245, 0.07);
  pointer-events: none;
}

.reveal .slides section::after {
  content: "";
  position: absolute;
  left: 56px;
  right: 56px;
  bottom: 34px;
  height: 1px;
  background: linear-gradient(90deg, var(--nn-synapse-cyan), transparent 58%);
  opacity: 0.46;
  pointer-events: none;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.brand-lockup img {
  width: 202px;
  height: auto;
  display: block;
}

.deck-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--nn-dust-gray);
  font-family: var(--nn-font-mono);
  font-size: 0.42em;
  text-transform: uppercase;
}

.deck-meta span {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  border: 1px solid rgba(240, 242, 245, 0.11);
  padding: 2px 9px;
  background: rgba(10, 10, 15, 0.42);
}

.eyebrow,
.mini-label,
.source {
  margin: 0;
  color: var(--nn-synapse-cyan);
  font-family: var(--nn-font-mono);
  font-size: 0.42em;
  font-weight: 500;
  letter-spacing: 0.18em;
  line-height: 1.45;
  text-transform: uppercase;
}

.source {
  color: var(--nn-dust-gray);
  letter-spacing: 0;
  text-transform: none;
}

.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4 {
  margin: 0;
  color: var(--nn-quantum-white);
  font-family: var(--nn-font-display);
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.reveal h1 {
  max-width: 11ch;
  font-size: 2.38em;
  line-height: 0.94;
}

.reveal h2 {
  max-width: 18ch;
  font-size: 1.45em;
  line-height: 1.02;
}

.reveal h3 {
  font-size: 0.68em;
  line-height: 1.18;
}

.reveal p {
  margin: 0;
  color: #c5cad5;
  font-size: 0.64em;
  line-height: 1.55;
}

.lead {
  max-width: 31ch;
  color: #d9deea;
  font-size: 0.78em;
  line-height: 1.42;
}

.muted {
  color: var(--nn-dust-gray);
}

.title-slide {
  justify-content: space-between !important;
}

.title-slide .title-content {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.72fr);
  gap: 44px;
  align-items: end;
}

.mission-panel {
  border: 1px solid var(--nn-line);
  border-radius: var(--nn-radius-card);
  background: var(--nn-panel);
  padding: 26px;
  box-shadow: 0 0 36px rgba(45, 91, 255, 0.14);
}

.mission-panel .status-line {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
  color: var(--nn-dust-gray);
  font-family: var(--nn-font-mono);
  font-size: 0.42em;
  text-transform: uppercase;
}

.mission-panel .status-line::before,
.mission-panel .status-line::after {
  content: "";
  height: 1px;
  background: rgba(0, 229, 255, 0.38);
}

.mission-panel .orbital-mark {
  display: block;
  width: min(70%, 240px);
  margin: 10px auto 24px;
  filter: drop-shadow(0 0 18px rgba(0, 229, 255, 0.26));
}

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

.mission-panel li,
.bullet-list li {
  position: relative;
  padding-left: 24px;
  color: #d9deea;
  font-size: 0.52em;
  line-height: 1.5;
}

.mission-panel li + li,
.bullet-list li + li {
  margin-top: 10px;
}

.mission-panel li::before,
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 1px;
  background: var(--nn-synapse-cyan);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.56);
}

.slide-header {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: flex-start;
}

.slide-header .lead {
  max-width: 34ch;
  font-size: 0.58em;
}

.grid-2,
.grid-3,
.grid-4,
.metric-grid,
.comparison-grid,
.diagnosis-layout,
.split-layout {
  display: grid;
  gap: 16px;
}

.grid-2,
.split-layout,
.comparison-grid,
.diagnosis-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.metric,
.phase,
.system-box,
.comparison,
.quote-box,
.agenda-item {
  border: 1px solid var(--nn-line);
  border-radius: var(--nn-radius-card);
  background: var(--nn-panel);
  padding: 22px;
}

.card.is-accent,
.metric.is-accent,
.phase.is-active,
.system-box.is-accent {
  border-color: var(--nn-line-strong);
  box-shadow: 0 0 28px rgba(0, 229, 255, 0.12);
}

.card h3,
.metric h3,
.phase h3,
.system-box h3,
.comparison h3,
.agenda-item h3 {
  margin-bottom: 10px;
}

.card p,
.metric p,
.phase p,
.system-box p,
.comparison p,
.agenda-item p {
  font-size: 0.48em;
}

.metric .value {
  display: block;
  margin-bottom: 10px;
  color: var(--nn-synapse-cyan);
  font-family: var(--nn-font-display);
  font-size: 1.7em;
  font-weight: 700;
  line-height: 0.95;
}

.metric .unit {
  color: #d9deea;
  font-size: 0.5em;
}

.agenda-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  align-items: start;
}

.agenda-item .step {
  display: inline-grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 1px solid rgba(0, 229, 255, 0.45);
  color: var(--nn-synapse-cyan);
  font-family: var(--nn-font-mono);
  font-size: 0.58em;
}

.phase-map {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.phase {
  min-height: 210px;
  padding: 16px;
}

.phase .code {
  display: block;
  margin-bottom: 18px;
  color: var(--nn-synapse-cyan);
  font-family: var(--nn-font-mono);
  font-size: 0.36em;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.phase p {
  font-size: 0.42em;
}

.comparison {
  min-height: 280px;
}

.comparison.before {
  border-color: rgba(255, 61, 139, 0.25);
}

.comparison.after {
  border-color: rgba(0, 229, 255, 0.38);
}

.system-stack {
  display: grid;
  gap: 10px;
}

.system-box {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 16px;
  align-items: center;
  padding: 15px 18px;
}

.system-box .mini-label {
  color: var(--nn-dust-gray);
  font-size: 0.34em;
}

.system-box p {
  font-size: 0.44em;
}

.showcase-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
  gap: 20px;
  align-items: stretch;
}

.viz-panel {
  min-height: 390px;
  border: 1px solid var(--nn-line);
  border-radius: var(--nn-radius-card);
  background:
    linear-gradient(90deg, rgba(240, 242, 245, 0.025) 1px, transparent 1px),
    linear-gradient(rgba(240, 242, 245, 0.02) 1px, transparent 1px),
    var(--nn-panel);
  background-size: 26px 26px, 26px 26px, auto;
  padding: 20px;
  overflow: hidden;
}

.viz-panel.is-accent {
  border-color: var(--nn-line-strong);
  box-shadow: 0 0 34px rgba(0, 229, 255, 0.1);
}

.mermaid-stage {
  display: grid;
  min-height: 310px;
  place-items: center;
}

.mermaid-stage svg {
  width: 100%;
  height: 100%;
  min-height: 270px;
}

.demo-diagram-panel {
  min-height: 360px;
  padding: 16px 18px;
}

.demo-diagram-panel .mermaid-stage {
  display: block;
  min-height: 320px;
  width: 100%;
}

.demo-diagram-panel .mermaid {
  display: block;
  width: 100%;
}

.demo-diagram-panel .mermaid-stage svg {
  display: block;
  width: 100% !important;
  height: 318px !important;
  max-width: none !important;
  max-height: 318px;
}

.plot-stage {
  min-height: 310px;
}

.plot-stage svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.telemetry-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.telemetry-item {
  display: grid;
  grid-template-columns: 76px 1fr auto;
  gap: 12px;
  align-items: center;
  border: 1px solid rgba(240, 242, 245, 0.08);
  border-radius: var(--nn-radius-card);
  background: rgba(10, 10, 15, 0.42);
  padding: 10px 12px;
}

.telemetry-item span {
  color: var(--nn-synapse-cyan);
  font-family: var(--nn-font-mono);
  font-size: 0.34em;
  text-transform: uppercase;
}

.telemetry-item strong {
  color: var(--nn-quantum-white);
  font-family: var(--nn-font-display);
  font-size: 0.5em;
}

.telemetry-item em {
  color: var(--nn-dust-gray);
  font-family: var(--nn-font-mono);
  font-size: 0.34em;
  font-style: normal;
}

.quote-slide {
  justify-content: center !important;
}

.quote-box {
  max-width: 980px;
  padding: 44px;
  border-left: 3px solid var(--nn-synapse-cyan);
}

.quote-box blockquote {
  margin: 0;
  color: var(--nn-quantum-white);
  font-family: var(--nn-font-display);
  font-size: 1.2em;
  font-weight: 700;
  line-height: 1.08;
}

.quote-box figcaption {
  margin-top: 26px;
  color: var(--nn-dust-gray);
  font-family: var(--nn-font-mono);
  font-size: 0.42em;
  text-transform: uppercase;
}

.section-slide {
  justify-content: center !important;
}

.section-slide h2 {
  max-width: 14ch;
  font-size: 2.05em;
}

.section-slide .section-number {
  color: var(--nn-synapse-cyan);
  font-family: var(--nn-font-mono);
  font-size: 0.46em;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.closing-slide {
  justify-content: space-between !important;
}

.cta-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  border: 1px solid var(--nn-line-strong);
  border-radius: var(--nn-radius-card);
  background: rgba(0, 229, 255, 0.08);
  padding: 20px 22px;
}

.cta-strip strong {
  color: var(--nn-quantum-white);
  font-family: var(--nn-font-display);
  font-size: 0.66em;
}

.cta-strip span {
  color: var(--nn-synapse-cyan);
  font-family: var(--nn-font-mono);
  font-size: 0.42em;
  text-transform: uppercase;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border: 1px solid rgba(240, 242, 245, 0.11);
  border-radius: var(--nn-radius-button);
  padding: 0 10px;
  color: #d9deea;
  background: rgba(10, 10, 15, 0.46);
  font-family: var(--nn-font-mono);
  font-size: 0.34em;
  text-transform: uppercase;
}

.reveal .progress {
  height: 3px;
  color: var(--nn-synapse-cyan);
}

.reveal .controls {
  color: var(--nn-synapse-cyan);
  right: 18px;
  bottom: 18px;
}

.reveal .slide-number {
  right: 126px;
  bottom: 32px;
  color: var(--nn-dust-gray);
  background: transparent;
  font-family: var(--nn-font-mono);
  font-size: 14px;
}

@media (max-width: 900px) {
  .reveal {
    font-size: 24px;
  }

  .reveal .slides section {
    padding: 34px 32px;
  }

  .title-slide .title-content,
  .grid-2,
  .grid-3,
  .grid-4,
  .metric-grid,
  .comparison-grid,
  .diagnosis-layout,
  .split-layout,
  .showcase-layout,
  .phase-map {
    grid-template-columns: 1fr;
  }

  .phase {
    min-height: 0;
  }

  .system-box {
    grid-template-columns: 1fr;
  }
}

@media print {
  .reveal .slides section {
    background: #0a0a0f !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}