:root {
  --bg: #09111a;
  --bg-soft: #101925;
  --panel: rgba(16, 24, 36, 0.92);
  --text: #edf3f8;
  --muted: #93a6b9;
  --line: rgba(154, 181, 204, 0.18);
  --cyan: #67e8f9;
  --blue: #77a7ff;
  --green: #6ee7b7;
  --amber: #f7c66a;
  --rose: #ff8a8a;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --sans: "Space Grotesk", "Segoe UI", sans-serif;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(103, 232, 249, 0.12), transparent 24%),
    radial-gradient(circle at 85% 15%, rgba(119, 167, 255, 0.1), transparent 22%),
    linear-gradient(160deg, #071018 0%, #0b1218 55%, #091017 100%);
}

.reveal-viewport {
  background: transparent;
}

.reveal {
  font-family: var(--sans);
  color: var(--text);
  font-size: 28px;
}

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

.reveal .slides section {
  padding: 34px 0 120px !important;
}

.reveal .slides section > *:not(aside) {
  width: min(1120px, calc(100% - 96px));
  margin-left: auto;
  margin-right: auto;
}

.reveal .slides section.dense-slide > *:not(aside) {
  width: min(1120px, calc(100% - 112px));
}

.reveal h1,
.reveal h2,
.reveal h3 {
  margin: 0 0 0.4em;
  letter-spacing: -0.03em;
}

.reveal h1 {
  font-size: 2.2em;
  line-height: 1;
}

.title-slide h1 {
  font-size: 1.72em;
  line-height: 0.94;
}

.reveal h2 {
  display: inline-block;
  font-size: 1.28em;
  padding-bottom: 0.16em;
  border-bottom: 2px solid rgba(103, 232, 249, 0.55);
}

.reveal h3 {
  font-size: 0.86em;
  color: var(--cyan);
}

.reveal p,
.reveal li {
  font-size: 0.68em;
  line-height: 1.4;
  color: var(--text);
}

.reveal .slides section.dense-slide p,
.reveal .slides section.dense-slide li {
  font-size: 0.63em;
  line-height: 1.32;
}

.reveal ul {
  margin: 0.35em 0 0 1em;
}

.reveal li {
  margin-bottom: 0.24em;
}

.reveal strong {
  color: var(--cyan);
  font-weight: 600;
}

.reveal em {
  color: var(--amber);
  font-style: normal;
}

.reveal code {
  font-family: var(--mono);
}

.reveal :not(pre) > code {
  background: rgba(103, 232, 249, 0.1);
  color: var(--green);
  border: 1px solid rgba(103, 232, 249, 0.16);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 0.84em;
}

.title-slide {
  min-height: 100%;
  display: flex;
  align-items: center;
}

.hero,
.grid-2,
.grid-3,
.visual-grid,
.demo-layout,
.metric-strip {
  display: grid;
  gap: 18px;
}

.reveal .slides section.dense-slide .grid-2,
.reveal .slides section.dense-slide .grid-3,
.reveal .slides section.dense-slide .visual-grid,
.reveal .slides section.dense-slide .metric-strip,
.reveal .slides section.dense-slide .demo-layout {
  gap: 18px;
}

.hero {
  grid-template-columns: 1.2fr 0.95fr;
  align-items: center;
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
}

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

.metric-strip {
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 22px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.48em;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.hero h1 span {
  color: var(--cyan);
}

.subtitle {
  margin-top: 0.35em;
  font-size: 0.72em;
  color: var(--muted);
  max-width: 19em;
}

.title-slide .subtitle {
  font-size: 0.58em;
  line-height: 1.32;
  max-width: 21em;
}

.subnote {
  margin-top: 0.6em;
  font-size: 0.52em;
  line-height: 1.45;
  color: var(--muted);
  max-width: 28em;
}

.title-slide .subnote {
  font-size: 0.41em;
  line-height: 1.36;
  max-width: 30em;
}

.deck-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
  margin-bottom: 14px;
}

.title-slide .hero {
  gap: 28px;
}

.title-slide .hero-panel {
  padding: 18px;
}

.deck-button {
  display: inline-block;
  padding: 9px 13px;
  border-radius: 12px;
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  font-size: 0.44em;
  background: rgba(255, 255, 255, 0.03);
}

.deck-button.primary {
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: #07101f;
  border-color: transparent;
  font-weight: 700;
}

.hero-panel,
.card,
.quote-card,
.metric-card,
.visual-card,
.meta-box,
.winner-panel,
.detail-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(8px);
}

.hero-panel,
.card,
.quote-card,
.visual-card,
.meta-box,
.winner-panel,
.detail-box {
  padding: 16px 18px;
}

.reveal .slides section.dense-slide .card,
.reveal .slides section.dense-slide .quote-card,
.reveal .slides section.dense-slide .metric-card,
.reveal .slides section.dense-slide .visual-card,
.reveal .slides section.dense-slide .meta-box,
.reveal .slides section.dense-slide .winner-panel,
.reveal .slides section.dense-slide .detail-box {
  padding: 13px 15px;
}

.hero-panel .vector-line {
  font-family: var(--mono);
  font-size: 0.58em;
  color: var(--green);
  margin-bottom: 12px;
}

.mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.mini-cell {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
}

.mini-cell span {
  display: block;
  font-family: var(--mono);
  font-size: 0.5em;
  color: var(--muted);
  margin-bottom: 6px;
}

.mini-cell strong {
  font-size: 0.58em;
}

.label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 7px 12px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.46em;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.label.good {
  background: rgba(110, 231, 183, 0.14);
  color: var(--green);
}

.label.bad {
  background: rgba(255, 138, 138, 0.14);
  color: var(--rose);
}

.label.warn {
  background: rgba(247, 198, 106, 0.14);
  color: var(--amber);
}

.compact-card p {
  margin: 0 0 10px;
  color: var(--muted);
}

.metric-card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.metric-card span {
  display: block;
  font-family: var(--mono);
  font-size: 0.44em;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.metric-card strong {
  display: block;
  font-size: 1.18em;
  margin: 8px 0 6px;
}

.metric-card em {
  font-size: 0.58em;
}

.metric-card.highlight {
  border-color: rgba(103, 232, 249, 0.35);
}

.visual-card {
  min-height: 210px;
}

.big-step {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(103, 232, 249, 0.12);
  color: var(--cyan);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-note {
  margin-top: 18px;
  padding-top: 12px;
  font-size: 0.62em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.reveal .slides section.dense-slide .section-note {
  margin-top: 12px;
  padding-top: 10px;
  font-size: 0.56em;
}

.lead {
  font-size: 0.92em;
  line-height: 1.5;
}

.pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 20px 0 24px;
}

.pipeline.wide {
  justify-content: flex-start;
}

.step {
  padding: 10px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.54em;
}

.step.active {
  border-color: rgba(103, 232, 249, 0.4);
  color: var(--cyan);
  box-shadow: inset 0 0 0 1px rgba(103, 232, 249, 0.12);
}

.arrow {
  color: var(--muted);
  font-size: 0.75em;
}

.demo-shell {
  margin-top: 18px;
}

.runtime-slide .demo-shell {
  margin-top: 12px;
}

.demo-controls {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.demo-controls label {
  display: grid;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.46em;
  color: var(--muted);
}

.demo-controls select,
.demo-controls input[type="range"] {
  min-width: 240px;
}

.demo-controls select {
  border: 1px solid var(--line);
  background: #0b141d;
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  font-family: var(--sans);
}

.demo-layout {
  grid-template-columns: 0.95fr 1.05fr;
  align-items: start;
}

.runtime-slide .demo-layout {
  gap: 12px;
}

.side-panel,
.plot-panel {
  display: grid;
  gap: 16px;
}

.runtime-slide .side-panel,
.runtime-slide .plot-panel {
  gap: 12px;
}

.meta-box {
  font-family: var(--mono);
  font-size: 0.54em;
  color: var(--muted);
}

.winner-panel strong {
  display: block;
  margin-bottom: 8px;
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.policy-card {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.runtime-slide .policy-card {
  padding: 9px 10px;
}

.policy-card.best {
  border-color: rgba(103, 232, 249, 0.4);
}

.policy-card h3 {
  margin-bottom: 8px;
}

.runtime-slide .policy-card h3 {
  margin-bottom: 5px;
  font-size: 0.7em;
  line-height: 1.02;
}

.policy-card p {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.58em;
}

.runtime-slide .policy-card p {
  margin: 0 0 2px;
  font-size: 0.45em;
  line-height: 1.12;
}

.runtime-slide .policy-card p strong {
  font-size: 0.96em;
}

.plot-box {
  min-height: 340px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(11, 20, 29, 0.92);
}

.plot-box.short {
  min-height: 280px;
}

.runtime-slide .plot-box.short {
  min-height: 240px;
}

.detail-box {
  min-height: 160px;
}

.runtime-slide .detail-box {
  min-height: 128px;
}

.detail-box p {
  margin: 0 0 8px;
  color: var(--muted);
}

.runtime-slide .section-note {
  margin-top: 10px;
  font-size: 0.52em;
}

.reveal a {
  color: var(--cyan);
}

@media (max-width: 1100px) {
  .hero,
  .grid-2,
  .grid-3,
  .visual-grid,
  .metric-strip,
  .demo-layout,
  .policy-grid {
    grid-template-columns: 1fr;
  }
}