:root {
  /* palette */
  --bg-deep: #020617;
  --bg-panel: rgba(7, 14, 32, 0.95);
  --grid-cyan: #00f2ff;
  --accent-magenta: #bd00ff;
  --accent-red: #ff2d6f;
  --ink: #e6f6ff;
  --ink-dim: #8aa4c4;
  --rule: rgba(0, 242, 255, 0.18);
  --rule-strong: rgba(0, 242, 255, 0.45);

  /* type */
  --type-mega: 116px;
  --type-title: 64px;
  --type-h2: 48px;
  --type-body: 28px;
  --type-small: 24px;
  --type-mono: 24px;
  --type-tag: 22px;

  /* spacing */
  --pad-x: 96px;
  --pad-top: 110px;
  --pad-bottom: 130px;
  --gap-title: 52px;
  --gap-item: 28px;
}

html,
body {
  margin: 0;
  background: #000;
  color: var(--ink);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: var(--type-body);
  overflow: hidden;
}

deck-stage > section {
  position: relative;
  background: var(--bg-deep);
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  overflow: hidden;
}

/* Blueprint grid + vignette layered on every slide */
deck-stage > section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 242, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 255, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(0, 242, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 255, 0.03) 1px, transparent 1px);
  background-size:
    160px 160px,
    160px 160px,
    32px 32px,
    32px 32px;
  background-position:
    -1px -1px,
    -1px -1px,
    -1px -1px,
    -1px -1px;
  pointer-events: none;
  z-index: 0;
}
deck-stage > section::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 18% 12%,
      rgba(0, 242, 255, 0.12),
      transparent 55%
    ),
    radial-gradient(
      ellipse at 85% 90%,
      rgba(189, 0, 255, 0.14),
      transparent 60%
    ),
    radial-gradient(
      ellipse at 50% 50%,
      transparent 40%,
      rgba(0, 0, 0, 0.55) 100%
    );
  pointer-events: none;
  z-index: 0;
}

.frame {
  position: absolute;
  inset: 0;
  padding: var(--pad-top) var(--pad-x) var(--pad-bottom);
  display: flex;
  flex-direction: column;
  z-index: 1;
}

/* ============ HEADER (slide chrome) ============ */
.slide-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: var(--type-tag);
  color: var(--ink-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 36px;
}
.slide-header .crumb {
  display: flex;
  align-items: center;
  gap: 14px;
}
.slide-header .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--grid-cyan);
  box-shadow: 0 0 12px var(--grid-cyan);
}
.slide-header .right {
  display: flex;
  gap: 24px;
  align-items: center;
}

/* ============ TITLES ============ */
.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: var(--type-tag);
  color: var(--grid-cyan);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
h1.title {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: var(--type-title);
  line-height: 1.04;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin: 0 0 var(--gap-title) 0;
  color: #ffffff;
}
h1.title .magenta {
  color: var(--accent-magenta);
}
h1.title .cyan {
  color: var(--grid-cyan);
}

/* ============ FOOTER bar ============ */
.footer-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  background: rgba(2, 6, 23, 0.86);
  border-top: 1px solid var(--rule);
  backdrop-filter: blur(8px);
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
  z-index: 5;
}
.footer-bar .socials {
  display: flex;
  gap: 28px;
}
.footer-bar .socials span b {
  color: var(--ink);
  font-weight: 500;
}
.footer-bar .counter {
  color: var(--grid-cyan);
  letter-spacing: 0.12em;
  font-weight: 500;
}
.footer-bar .counter .total {
  color: var(--ink-dim);
}

/* ============ GLASS PANELS ============ */
.glass {
  background: var(--bg-panel);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.02),
    0 0 0 1px rgba(0, 242, 255, 0.05),
    0 20px 60px rgba(0, 0, 0, 0.45);
  position: relative;
}
.glass .corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--grid-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.6);
}
.glass .corner.tl {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}
.glass .corner.tr {
  top: -1px;
  right: -1px;
  border-left: 0;
  border-bottom: 0;
}
.glass .corner.bl {
  bottom: -1px;
  left: -1px;
  border-right: 0;
  border-top: 0;
}
.glass .corner.br {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

/* ============ COMMON BITS ============ */
.mono {
  font-family: "JetBrains Mono", monospace;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: var(--type-tag);
  color: var(--grid-cyan);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(0, 242, 255, 0.05);
}
.pill.magenta {
  color: #ffffff;
  border-color: rgba(189, 0, 255, 0.85);
  background: rgba(189, 0, 255, 0.55);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

code,
pre {
  font-family: "JetBrains Mono", monospace;
  font-size: var(--type-mono);
  color: #c9f4ff;
}
pre.code-block {
  margin: 0;
  padding: 26px 32px;
  background: rgba(2, 6, 23, 0.92);
  border-left: 3px solid var(--grid-cyan);
  line-height: 1.45;
  color: #c9f4ff;
  overflow: hidden;
  white-space: pre;
  font-size: 21px;
}
.tok-key {
  color: #ff8ad4;
}
.tok-fn {
  color: #00f2ff;
}
.tok-str {
  color: #c8ffb4;
}
.tok-com {
  color: #4f6f8f;
  font-style: italic;
}
.tok-var {
  color: #e6f6ff;
}
.tok-num {
  color: #ffd166;
}

/* ============ NEON ============ */
.neon-cyan {
  color: #d8feff;
  text-shadow:
    0 0 8px rgba(0, 242, 255, 0.9),
    0 0 28px rgba(0, 242, 255, 0.55),
    0 0 60px rgba(0, 242, 255, 0.35);
}
.neon-magenta {
  color: #ffd9ff;
  text-shadow:
    0 0 8px rgba(189, 0, 255, 0.9),
    0 0 28px rgba(189, 0, 255, 0.55);
}

/* ============ ANIMATIONS ============ */
@keyframes scanline {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  50% {
    opacity: 0.4;
  }
  100% {
    transform: translateY(100%);
    opacity: 0;
  }
}
@keyframes pulse-red {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 45, 111, 0);
    border-color: rgba(255, 45, 111, 0.55);
  }
  50% {
    box-shadow: 0 0 22px 4px rgba(255, 45, 111, 0.45);
    border-color: rgba(255, 45, 111, 1);
  }
}
@keyframes shimmer {
  0% {
    background-position: -800px 0;
  }
  100% {
    background-position: 800px 0;
  }
}
@keyframes title-in {
  from {
    opacity: 0;
    transform: scale(0.9);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
}
.title-in {
  animation: title-in 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

/* ============ SLIDE 1 — COVER ============ */
.cover-frame {
  padding-top: 90px;
  padding-bottom: 130px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  align-items: center;
}
.cover-left {
  position: relative;
  z-index: 2;
}
.cover-eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 24px;
  color: var(--grid-cyan);
  letter-spacing: 0.32em;
  margin-bottom: 32px;
  display: inline-block;
  padding: 12px 22px;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  background: rgba(0, 242, 255, 0.05);
}
.cover-title {
  font-size: 96px;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 24px 0 48px 0;
}
.cover-title .neon-cyan {
  color: #eaffff;
}
.cover-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 26px;
  color: var(--ink-dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.cover-meta b {
  color: var(--accent-magenta);
  font-weight: 500;
}

.cover-viz {
  position: relative;
  height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1400px;
}
.cover-viz .wf-sphere {
  width: 480px;
  height: 480px;
}
.cover-viz .wf-sphere .ring {
  box-shadow: 0 0 30px rgba(0, 242, 255, 0.35);
}
.cover-viz .orbit-cube {
  position: absolute;
  bottom: 60px;
  left: 30px;
  perspective: 800px;
}
.cover-viz .orbit-cube .wf-cube {
  width: 130px;
  height: 130px;
}
.cover-viz .orbit-cube .wf-cube .face {
  box-shadow: inset 0 0 20px rgba(189, 0, 255, 0.2);
  border-color: rgba(189, 0, 255, 0.55);
}
.cover-viz .orbit-cube .wf-cube .face.f1 {
  transform: translateZ(65px);
}
.cover-viz .orbit-cube .wf-cube .face.f2 {
  transform: rotateY(180deg) translateZ(65px);
}
.cover-viz .orbit-cube .wf-cube .face.f3 {
  transform: rotateY(90deg) translateZ(65px);
}
.cover-viz .orbit-cube .wf-cube .face.f4 {
  transform: rotateY(-90deg) translateZ(65px);
}
.cover-viz .orbit-cube .wf-cube .face.f5 {
  transform: rotateX(90deg) translateZ(65px);
}
.cover-viz .orbit-cube .wf-cube .face.f6 {
  transform: rotateX(-90deg) translateZ(65px);
}
.cover-viz .floating-tag {
  position: absolute;
  font-family: "JetBrains Mono", monospace;
  font-size: 24px;
  color: var(--grid-cyan);
  padding: 10px 16px;
  border: 1px solid var(--rule-strong);
  background: rgba(2, 6, 23, 0.9);
  border-radius: 3px;
  letter-spacing: 0.1em;
}
.cover-viz .ft1 {
  top: 80px;
  right: 40px;
}
.cover-viz .ft2 {
  top: 280px;
  left: 0;
  color: var(--accent-magenta);
  border-color: rgba(189, 0, 255, 0.5);
}
.cover-viz .ft3 {
  bottom: 120px;
  right: 30px;
  color: #ffd166;
  border-color: rgba(255, 209, 102, 0.5);
}

/* ============ SLIDE 2 — BIO ============ */
.bio-row {
  display: grid;
  grid-template-columns: 560px 1fr;
  gap: 80px;
  align-items: center;
  flex: 1;
}
.bio-photo-wrap {
  position: relative;
  width: 520px;
  height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bio-photo-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--grid-cyan);
  box-shadow:
    0 0 30px rgba(0, 242, 255, 0.5),
    inset 0 0 30px rgba(0, 242, 255, 0.2);
}
.bio-photo-ring.outer {
  inset: -30px;
  border: 1px dashed var(--rule-strong);
  box-shadow: none;
  animation: rotate-slow 60s linear infinite;
}
@keyframes rotate-slow {
  to {
    transform: rotate(360deg);
  }
}
.bio-photo-slot {
  width: 440px;
  height: 440px;
  border-radius: 50%;
  overflow: hidden;
}
.bio-name {
  font-size: 84px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1;
  margin: 18px 0 12px 0;
  color: #ffffff;
  text-transform: uppercase;
}
.bio-name .last {
  color: var(--grid-cyan);
}
.bio-list {
  margin-top: 36px;
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.bio-list li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  font-size: 28px;
  line-height: 1.35;
  color: var(--ink);
  align-items: baseline;
}
.bio-list .tick {
  font-family: "JetBrains Mono", monospace;
  color: var(--grid-cyan);
  font-size: 24px;
}

/* ============ SLIDE 3 — PROBLEM ============ */
.problem-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  flex: 1;
}
.alert-panel {
  border: 1px solid rgba(255, 45, 111, 0.6);
  background: rgba(40, 8, 18, 0.85);
  padding: 40px 44px;
  border-radius: 4px;
  animation: pulse-red 3.4s ease-in-out infinite;
}
.alert-panel .alert-head {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: "JetBrains Mono", monospace;
  color: #ff7da5;
  font-size: 28px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.alert-panel .alert-head .blink {
  width: 14px;
  height: 14px;
  background: var(--accent-red);
  border-radius: 2px;
  box-shadow: 0 0 14px var(--accent-red);
  animation: blink 1.2s steps(2, end) infinite;
}
@keyframes blink {
  50% {
    opacity: 0.25;
  }
}
.alert-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.alert-list li {
  font-size: 30px;
  color: #ffd7e3;
  padding-left: 28px;
  border-left: 2px solid rgba(255, 45, 111, 0.65);
  line-height: 1.3;
}
.alert-list li b {
  color: #ffffff;
  font-weight: 600;
}
.problem-body {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.problem-body p {
  font-size: 32px;
  line-height: 1.35;
  color: var(--ink);
  margin: 0;
}
.problem-body p .hl {
  color: var(--accent-magenta);
}

/* ============ SLIDE 4 — ARCHITECTURE ============ */
.arch-wrap {
  flex: 1;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
}
.arch-canvas {
  position: relative;
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: rgba(2, 6, 23, 0.78);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  min-height: 660px;
}
.arch-canvas .cloud-bg {
  position: absolute;
  bottom: 30px;
  right: 36px;
  opacity: 0.18;
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  color: var(--ink-dim);
  line-height: 1.4;
  text-align: right;
  filter: blur(0.3px);
  pointer-events: none;
}
.arch-node {
  background: rgba(0, 242, 255, 0.06);
  border: 1.5px solid var(--grid-cyan);
  padding: 26px 32px;
  border-radius: 4px;
  width: 360px;
  box-shadow: 0 0 24px rgba(0, 242, 255, 0.18);
}
.arch-node .label {
  font-family: "JetBrains Mono", monospace;
  font-size: 22px;
  letter-spacing: 0.14em;
  color: var(--grid-cyan);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.arch-node .name {
  font-size: 30px;
  font-weight: 600;
  color: #ffffff;
}
.arch-node.magenta {
  border-color: var(--accent-magenta);
  background: rgba(189, 0, 255, 0.08);
  box-shadow: 0 0 30px rgba(189, 0, 255, 0.25);
}
.arch-node.magenta .label {
  color: var(--accent-magenta);
}
.arch-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
}
.arch-arrows {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 22px;
  color: var(--grid-cyan);
  text-align: center;
}
.arch-arrows .line {
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--grid-cyan),
    transparent
  );
  position: relative;
}
.arch-arrows .line::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--grid-cyan);
  border-radius: 50%;
  top: -3px;
  animation: travel 2.4s linear infinite;
  box-shadow: 0 0 10px var(--grid-cyan);
}
.arch-arrows .line.rev::after {
  animation: travel-rev 2.4s linear infinite 1.2s;
}
@keyframes travel {
  0% {
    left: 0;
  }
  100% {
    left: 100%;
  }
}
@keyframes travel-rev {
  0% {
    left: 100%;
  }
  100% {
    left: 0;
  }
}

.benefits {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.benefit-card {
  padding: 28px 32px;
  border: 1px solid var(--rule-strong);
  border-left: 4px solid var(--grid-cyan);
  background: rgba(2, 6, 23, 0.82);
  border-radius: 2px;
}
.benefit-card .k {
  font-family: "JetBrains Mono", monospace;
  color: var(--grid-cyan);
  font-size: 22px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.benefit-card .v {
  font-size: 30px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 6px;
}
.benefit-card .d {
  font-size: 24px;
  color: var(--ink-dim);
  line-height: 1.35;
}
.benefit-card:nth-child(2) {
  border-left-color: var(--accent-magenta);
}
.benefit-card:nth-child(2) .k {
  color: var(--accent-magenta);
}

/* ============ Slide PROPUESTA ============ */
.vs-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 32px;
  align-items: stretch;
}
.vs-col {
  padding: 36px 36px;
  background: rgba(2, 6, 23, 0.85);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.vs-col.old {
  border-color: rgba(255, 45, 111, 0.45);
  background: rgba(40, 8, 18, 0.7);
}
.vs-col .vs-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 22px;
  letter-spacing: 0.16em;
  color: var(--grid-cyan);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.vs-col.old .vs-label {
  color: #ff7da5;
}
.vs-col h3 {
  font-size: 38px;
  margin: 0 0 24px 0;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.1;
}
.vs-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
  flex: 1;
}
.vs-col ul li {
  font-size: 24px;
  line-height: 1.35;
  color: var(--ink);
  padding-left: 32px;
  position: relative;
}
.vs-col ul li::before {
  position: absolute;
  left: 0;
  top: 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 22px;
  color: var(--grid-cyan);
}
.vs-col.old ul li::before {
  content: "×";
  color: var(--accent-red);
  font-size: 26px;
  line-height: 1;
}
.vs-col ul li::before {
  content: "→";
}
.vs-col .vs-tags {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.vs-col .vs-tags code {
  padding: 5px 12px;
  border: 1px solid var(--rule-strong);
  background: rgba(0, 242, 255, 0.06);
  color: var(--grid-cyan);
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
  border-radius: 999px;
}
.vs-col.old .vs-tags code {
  border-color: rgba(255, 45, 111, 0.4);
  background: rgba(255, 45, 111, 0.08);
  color: #ffb3c8;
}
.vs-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--grid-cyan);
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
  gap: 12px;
}
.vs-arrow .big {
  font-size: 56px;
  line-height: 1;
  text-shadow: 0 0 16px var(--grid-cyan);
}

/* Pipeline para slide 4 */
.pipeline {
  background: rgba(2, 6, 23, 0.78);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  padding: 26px 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.pipe-step {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  column-gap: 22px;
  align-items: start;
  padding: 6px 0;
  position: relative;
}
.pipe-step + .pipe-step::before {
  content: "";
  position: absolute;
  left: 31px;
  top: -4px;
  width: 2px;
  height: 8px;
  background: linear-gradient(180deg, var(--grid-cyan), transparent);
}
.pipe-num {
  width: 56px;
  height: 56px;
  border: 1.5px solid var(--grid-cyan);
  background: rgba(0, 242, 255, 0.06);
  color: var(--grid-cyan);
  font-family: "JetBrains Mono", monospace;
  font-size: 24px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 14px rgba(0, 242, 255, 0.3);
}
.pipe-step.engine .pipe-num {
  border-color: var(--accent-magenta);
  color: var(--accent-magenta);
  background: rgba(189, 0, 255, 0.08);
  box-shadow: 0 0 16px rgba(189, 0, 255, 0.35);
}
.pipe-body .label {
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  color: var(--grid-cyan);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.pipe-step.engine .pipe-body .label {
  color: var(--accent-magenta);
}
.pipe-body .name {
  font-size: 26px;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 4px;
}
.pipe-body .sub {
  font-size: 21px;
  color: var(--ink-dim);
  line-height: 1.3;
}
.pipe-tech {
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  color: var(--grid-cyan);
  background: rgba(0, 242, 255, 0.06);
  padding: 6px 12px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  align-self: center;
  white-space: nowrap;
}
.pipe-step.engine .pipe-tech {
  color: var(--accent-magenta);
  background: rgba(189, 0, 255, 0.08);
  border-color: rgba(189, 0, 255, 0.3);
}

/* ============ Slides aplicados — MENÚ CONTEXTUAL ============ */
.applied-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  min-height: 0;
}
.applied-grid.stack {
  grid-template-columns: 1fr;
  gap: 24px;
}
.applied-grid .code-frame {
  min-height: 0;
}
.applied-grid .code-frame {
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.applied-grid .code-frame pre.code-block {
  font-size: 18px;
  padding: 16px 22px;
  line-height: 1.38;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 242, 255, 0.4) transparent;
}
.applied-grid .code-frame pre.code-block::-webkit-scrollbar {
  width: 8px;
}
.applied-grid .code-frame pre.code-block::-webkit-scrollbar-track {
  background: transparent;
}
.applied-grid .code-frame pre.code-block::-webkit-scrollbar-thumb {
  background: rgba(0, 242, 255, 0.35);
  border-radius: 4px;
}
.applied-grid .code-frame pre.code-block::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 242, 255, 0.6);
}
.applied-caption {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  color: var(--ink-dim);
}
.applied-caption .chip {
  padding: 4px 12px;
  border: 1px solid var(--rule-strong);
  background: rgba(0, 242, 255, 0.06);
  color: var(--grid-cyan);
  border-radius: 999px;
  font-size: 18px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.applied-caption .chip.mag {
  color: var(--accent-magenta);
  background: rgba(189, 0, 255, 0.08);
  border-color: rgba(189, 0, 255, 0.4);
}

/* ============ Slide DEMO CALLOUT ============ */
.demo-cta-frame {
  align-items: center;
  justify-content: center;
  text-align: center;
}
.demo-cta-eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 26px;
  color: var(--grid-cyan);
  letter-spacing: 0.32em;
  margin-bottom: 28px;
  text-transform: uppercase;
}
.demo-cta-title {
  font-size: 168px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 0 0 24px 0;
  color: #ffffff;
}
.demo-cta-title .neon-magenta {
  color: #ffd9ff;
}
.demo-cta-sub {
  font-size: 34px;
  color: var(--ink);
  margin: 0 0 64px 0;
  max-width: 1300px;
}
.demo-cta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* two equal halves */
  gap: 28px;
  width: 100%;
  max-width: 1300px;
}
.demo-cta-card {
  padding: 28px 32px;
  background: rgba(2, 6, 23, 0.88);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  text-align: left;
}
.demo-cta-card .k {
  font-family: "JetBrains Mono", monospace;
  font-size: 22px;
  color: var(--grid-cyan);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.demo-cta-card .v {
  font-size: 30px;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 8px;
}
.demo-cta-card .d {
  font-size: 24px;
  color: var(--ink-dim);
  line-height: 1.35;
}

/* Make links inside demo cards more legible on dark background */
.demo-cta-card .d a {
  color: #c8ffb4; /* soft light green for high contrast */
  text-decoration: underline;
}
.demo-cta-card.mag {
  border-color: rgba(189, 0, 255, 0.4);
}
.demo-cta-card.mag .k {
  color: var(--accent-magenta);
}

/* ============ SLIDE 5 — ECOSYSTEM ============ */
.eco-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.eco-matrix {
  padding: 40px 44px;
  border-radius: 4px;
  border: 1px solid var(--rule-strong);
  background: rgba(2, 6, 23, 0.85);
  display: flex;
  flex-direction: column;
  gap: 26px;
  position: relative;
}
.eco-matrix .lane {
  font-family: "JetBrains Mono", monospace;
  font-size: 26px;
  letter-spacing: 0.2em;
  color: var(--grid-cyan);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.eco-matrix .lane.mag {
  color: var(--accent-magenta);
}
.eco-matrix h3 {
  font-size: 44px;
  margin: 0;
  font-weight: 600;
  line-height: 1.1;
  color: #fff;
}
.eco-tech {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 12px;
}
.eco-tech .row {
  display: grid;
  grid-template-columns: 56px 1fr;
  align-items: center;
  gap: 22px;
  padding: 22px 24px;
  background: rgba(0, 242, 255, 0.05);
  border: 1px solid var(--rule);
  border-radius: 4px;
}
.eco-tech .row .idx {
  font-family: "JetBrains Mono", monospace;
  color: var(--grid-cyan);
  font-size: 22px;
}
.eco-tech .row .name {
  font-size: 28px;
  font-weight: 600;
  color: #fff;
}
.eco-tech .row .sub {
  font-size: 22px;
  color: var(--ink-dim);
  margin-top: 2px;
}
.eco-matrix.mag .row {
  background: rgba(189, 0, 255, 0.06);
  border-color: rgba(189, 0, 255, 0.25);
}
.eco-matrix.mag .row .idx {
  color: var(--accent-magenta);
}

/* ============ SLIDE 6 / 7 — CODE DIVES ============ */
.code-dive {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 56px;
}
.copy-col p {
  font-size: 30px;
  line-height: 1.4;
  margin: 0 0 22px 0;
  color: var(--ink);
}
.copy-col .badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 32px 0 24px;
}
.copy-col .badges code {
  padding: 10px 16px;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  background: rgba(0, 242, 255, 0.06);
  font-size: 22px;
}
.code-frame {
  background: rgba(2, 6, 23, 0.95);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0, 242, 255, 0.12);
}
.code-frame .titlebar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--rule);
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  color: var(--ink-dim);
  background: rgba(0, 0, 0, 0.45);
}
.code-frame .titlebar .dots {
  display: flex;
  gap: 8px;
}
.code-frame .titlebar .dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}
.code-frame .titlebar .dots span:first-child {
  background: var(--accent-red);
}
.code-frame .titlebar .dots span:nth-child(2) {
  background: #ffd166;
}
.code-frame .titlebar .dots span:nth-child(3) {
  background: #5cffb4;
}
.code-frame pre.code-block {
  border-left: 0;
}

/* ============ SLIDE 8 — ANCHOR ============ */
.anchor-svg-wrap {
  margin-top: 14px;
  padding: 18px 16px 14px;
  border: 1px dashed var(--rule-strong);
  border-radius: 4px;
  background: rgba(2, 6, 23, 0.5);
}
.anchor-svg {
  width: 100%;
  height: auto;
  display: block;
}
.anchor-svg .src-rect {
  fill: rgba(0, 242, 255, 0.08);
  stroke: var(--grid-cyan);
  stroke-width: 1.5;
}
.anchor-svg .panel-rect {
  fill: rgba(189, 0, 255, 0.1);
  stroke: var(--accent-magenta);
  stroke-width: 1.5;
}
.anchor-svg .conn {
  fill: none;
  stroke: var(--grid-cyan);
  stroke-width: 2;
  stroke-dasharray: 7 7;
}
.anchor-svg .conn-dot {
  fill: var(--grid-cyan);
}
.anchor-svg .arrow {
  fill: var(--grid-cyan);
}
.anchor-svg text {
  font-family: "JetBrains Mono", monospace;
}
.anchor-svg .t-cy {
  font-size: 14px;
  fill: var(--grid-cyan);
}
.anchor-svg .t-mg {
  font-size: 14px;
  fill: var(--accent-magenta);
}
.anchor-svg .t-fg {
  font-size: 16px;
  fill: #ffffff;
}
.anchor-svg .t-dim {
  font-size: 13px;
  fill: var(--ink-dim);
  letter-spacing: 0.05em;
}

/* === Live demo botones / contenedores compartidos === */
.demo-run-btn {
  appearance: none;
  border: 1.5px solid var(--accent-magenta);
  background: rgba(189, 0, 255, 0.18);
  color: #ffffff;
  padding: 10px 20px;
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 0 24px rgba(189, 0, 255, 0.35);
  transition:
    transform 0.15s,
    box-shadow 0.15s;
}
.demo-run-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 32px rgba(189, 0, 255, 0.55);
}
.demo-run-btn::before {
  content: "▶";
  font-size: 14px;
}
.demo-run-btn.cy {
  border-color: var(--grid-cyan);
  background: rgba(0, 242, 255, 0.14);
  box-shadow: 0 0 24px rgba(0, 242, 255, 0.35);
}
.demo-run-btn.cy:hover {
  box-shadow: 0 0 32px rgba(0, 242, 255, 0.6);
}
.demo-live-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 16px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-magenta);
  margin-left: 14px;
}
.demo-live-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-magenta);
  box-shadow: 0 0 8px var(--accent-magenta);
  animation: blink 1.2s steps(2, end) infinite;
}

/* === Slide 8 demo: real anchor positioning === */
.code-dive .code-frame pre.code-block {
  font-size: 19px;
  padding: 22px 28px;
  line-height: 1.45;
}
.anchor-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 14px 0 16px;
}
.anchor-features .af {
  padding: 10px 14px;
  background: rgba(2, 6, 23, 0.7);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--grid-cyan);
  border-radius: 3px;
}
.anchor-features .af:nth-child(2) {
  border-left-color: var(--accent-magenta);
}
.anchor-features .af:nth-child(3) {
  border-left-color: #ffd166;
}
.anchor-features .af-k {
  font-family: "JetBrains Mono", monospace;
  font-size: 15px;
  color: var(--grid-cyan);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.anchor-features .af:nth-child(2) .af-k {
  color: var(--accent-magenta);
}
.anchor-features .af:nth-child(3) .af-k {
  color: #ffd166;
}
.anchor-features .af-d {
  font-size: 17px;
  color: var(--ink);
  line-height: 1.3;
}
.anchor-features .af-d code {
  font-family: "JetBrains Mono", monospace;
  color: #c9f4ff;
  background: rgba(0, 242, 255, 0.08);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 15px;
}

.anchor-live {
  margin-top: 14px;
  padding: 22px;
  border: 1px dashed var(--rule-strong);
  border-radius: 4px;
  background: rgba(2, 6, 23, 0.6);
  position: relative;
}
.anchor-live .doc-block {
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink-dim);
  margin-bottom: 14px;
}
.anchor-live #anchor-src {
  anchor-name: --anchor-src;
  padding: 12px 14px;
  background: rgba(0, 242, 255, 0.1);
  border: 1.5px solid var(--grid-cyan);
  color: #ffffff;
  border-radius: 3px;
  margin: 14px 0;
  font-size: 19px;
}
.anchor-pop {
  margin: 0;
  border: 0;
  padding: 0;
  background: transparent;
  position-anchor: --anchor-src;
  position: fixed;
  position-area: right span-block;
  margin-inline-start: 16px;
  width: 280px;
}
.anchor-pop .body {
  background: rgba(2, 6, 23, 0.97);
  border: 1.5px solid var(--accent-magenta);
  color: #ffffff;
  padding: 18px 20px;
  border-radius: 4px;
  font-size: 17px;
  line-height: 1.45;
  font-family: "JetBrains Mono", monospace;
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.7),
    0 0 28px rgba(189, 0, 255, 0.45);
}
.anchor-pop .body b {
  color: var(--accent-magenta);
}
.anchor-pop .body code {
  color: var(--grid-cyan);
  background: rgba(0, 242, 255, 0.1);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 15px;
}
.anchor-pop:popover-open {
  display: block;
}
.anchor-fallback {
  margin-top: 8px;
  padding: 12px 14px;
  background: rgba(255, 209, 102, 0.08);
  border: 1px solid rgba(255, 209, 102, 0.4);
  color: #ffd166;
  font-size: 16px;
  font-family: "JetBrains Mono", monospace;
  border-radius: 3px;
  display: none;
}
.anchor-fallback.show {
  display: block;
}

/* === Slide 9 demo: real view transition === */
.vt-live {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.vt-box {
  width: 360px;
  padding: 28px 24px;
  border: 1.5px solid var(--grid-cyan);
  background: rgba(0, 242, 255, 0.08);
  border-radius: 4px;
  color: #fff;
  view-transition-name: vt-demo-box;
  transition: background 0.3s;
}
.vt-box.state-b {
  border-color: var(--accent-magenta);
  background: rgba(189, 0, 255, 0.14);
}
.vt-box .tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 16px;
  color: var(--grid-cyan);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.vt-box.state-b .tag {
  color: var(--accent-magenta);
}
.vt-box .ttl {
  font-size: 26px;
  font-weight: 600;
}
::view-transition-old(vt-demo-box),
::view-transition-new(vt-demo-box) {
  animation-duration: 350ms;
  animation-timing-function: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* === Slide 10 demo: real popover === */
.pop-demo {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.real-pop {
  margin: 0;
  border: 0;
  padding: 0;
  background: transparent;
  width: 380px;
}
.real-pop .body {
  padding: 24px 26px;
  background: rgba(2, 6, 23, 0.96);
  border: 1.5px solid var(--accent-magenta);
  border-radius: 4px;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.6),
    0 0 30px rgba(189, 0, 255, 0.4);
  font-family: "JetBrains Mono", monospace;
  color: #fff;
}
.real-pop .body h4 {
  font-size: 22px;
  margin: 0 0 10px 0;
  color: var(--accent-magenta);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.real-pop .body p {
  margin: 4px 0;
  font-size: 18px;
  color: var(--ink);
  line-height: 1.45;
}
.real-pop .body kbd {
  font-family: "JetBrains Mono", monospace;
  padding: 2px 8px;
  border-radius: 3px;
  border: 1px solid var(--rule-strong);
  background: rgba(0, 242, 255, 0.08);
  color: var(--grid-cyan);
  font-size: 16px;
}
.real-pop:popover-open {
  display: block;
}

/* Slide 10 — top-layer note */
.top-layer-note {
  margin-top: 14px;
  padding: 14px 18px;
  background: rgba(2, 6, 23, 0.7);
  border: 1px solid var(--rule);
  border-radius: 4px;
  font-family: "JetBrains Mono", monospace;
}
.top-layer-note .tag {
  font-size: 15px;
  color: var(--accent-magenta);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.top-layer-note .z-line {
  font-size: 17px;
  color: var(--ink-dim);
  line-height: 1.4;
}
.top-layer-note .z-line .z {
  color: #ff9cca;
}
.top-layer-note .top-final {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--rule);
  font-size: 17px;
  color: var(--accent-magenta);
}
.top-layer-note .top-final b {
  color: #ffffff;
}

/* === Slide "Más APIs" — grid de 5 cards === */
.more-apis {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 22px;
  align-content: start;
}
.more-apis .ma {
  padding: 22px 24px;
  background: rgba(2, 6, 23, 0.88);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  border-left: 4px solid var(--grid-cyan);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.more-apis .ma:nth-child(2n) {
  border-left-color: var(--accent-magenta);
}
.more-apis .ma:nth-child(3n) {
  border-left-color: #ffd166;
}
.more-apis .ma .num {
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
  color: var(--grid-cyan);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.more-apis .ma:nth-child(2n) .num {
  color: var(--accent-magenta);
}
.more-apis .ma:nth-child(3n) .num {
  color: #ffd166;
}
.more-apis .ma h4 {
  font-size: 28px;
  font-weight: 600;
  margin: 0;
  color: #ffffff;
  line-height: 1.1;
}
.more-apis .ma p {
  font-size: 20px;
  color: var(--ink-dim);
  margin: 0;
  line-height: 1.3;
}
.more-apis .ma code {
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
  color: #c9f4ff;
  background: rgba(0, 242, 255, 0.08);
  padding: 2px 8px;
  border-radius: 3px;
  align-self: flex-start;
}
.more-apis .common {
  grid-column: 1 / -1;
  padding: 22px 28px;
  background: rgba(2, 6, 23, 0.7);
  border: 1px dashed var(--rule-strong);
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 22px;
  font-family: "JetBrains Mono", monospace;
  font-size: 22px;
  color: var(--ink-dim);
}
.more-apis .common b {
  color: #ffffff;
  font-weight: 600;
}
.more-apis .common .step {
  color: var(--grid-cyan);
  padding: 4px 12px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  background: rgba(0, 242, 255, 0.06);
}

/* === Slide 10 mini code panel === */
.pop-mini-code {
  margin-top: 12px;
  background: rgba(2, 6, 23, 0.96);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  padding: 16px 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 17px;
  line-height: 1.5;
  color: #c9f4ff;
  white-space: pre;
  overflow: hidden;
}

/* === Slide 11 applied: live ctx-menu demo === */
.applied-demo-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 14px;
  flex-wrap: wrap;
}
#applied-anchor {
  anchor-name: --applied-src;
  display: inline-flex;
  padding: 8px 14px;
  background: rgba(0, 242, 255, 0.1);
  border: 1.5px solid var(--grid-cyan);
  color: #ffffff;
  border-radius: 3px;
  font-family: "JetBrains Mono", monospace;
  font-size: 17px;
}
#applied-menu {
  margin: 0;
  border: 0;
  padding: 0;
  background: transparent;
  position-anchor: --applied-src;
  position: fixed;
  position-area: bottom span-inline;
  margin-block-start: 12px;
  width: 360px;
  view-transition-name: applied-menu;
}
#applied-menu .body {
  background: rgba(2, 6, 23, 0.97);
  border: 1.5px solid var(--accent-magenta);
  color: #fff;
  padding: 20px 22px;
  border-radius: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 16px;
  line-height: 1.45;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.6),
    0 0 30px rgba(189, 0, 255, 0.4);
}
#applied-menu .body .k {
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-magenta);
  margin-bottom: 10px;
}
#applied-menu .body ul {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}
#applied-menu .body li {
  padding: 4px 0 4px 18px;
  position: relative;
  color: var(--ink);
}
#applied-menu .body li::before {
  content: "▸";
  color: var(--grid-cyan);
  position: absolute;
  left: 0;
}
#applied-menu:popover-open {
  display: block;
}
::view-transition-old(applied-menu),
::view-transition-new(applied-menu) {
  animation-duration: 320ms;
  animation-timing-function: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ============ SLIDE 9 — VIEW TRANSITIONS ============ */
.vt-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
}
.vt-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
}
.vt-card {
  background: rgba(2, 6, 23, 0.85);
  border: 1px solid var(--rule-strong);
  padding: 24px 24px;
  border-radius: 4px;
  min-height: 200px;
  position: relative;
  overflow: hidden;
  view-transition-name: vt-demo-card;
}
.vt-card.after {
  border-color: var(--accent-magenta);
  box-shadow: 0 0 30px rgba(189, 0, 255, 0.2);
}
.vt-card.after .tag {
  color: var(--accent-magenta);
}
::view-transition-old(vt-demo-card),
::view-transition-new(vt-demo-card) {
  animation-duration: 380ms;
  animation-timing-function: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* Help-panel mock dentro de la demo */
.vt-help {
  padding: 18px 18px;
}
.vt-help-body {
  min-height: 130px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.vt-skel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.vt-skel-bar {
  height: 14px;
  background: linear-gradient(
    90deg,
    rgba(0, 242, 255, 0.08) 0%,
    rgba(0, 242, 255, 0.25) 50%,
    rgba(0, 242, 255, 0.08) 100%
  );
  background-size: 600px 100%;
  animation: shimmer 1.4s linear infinite;
  border-radius: 2px;
}
.vt-skel-bar.w90 {
  width: 90%;
}
.vt-skel-bar.w80 {
  width: 80%;
}
.vt-skel-bar.w70 {
  width: 70%;
}
.vt-help h5 {
  font-size: 18px;
  margin: 0 0 6px 0;
  color: var(--accent-magenta);
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.vt-help ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.vt-help li {
  font-size: 17px;
  color: var(--ink);
  padding-left: 18px;
  position: relative;
  line-height: 1.3;
}
.vt-help li::before {
  content: "▸";
  color: var(--grid-cyan);
  position: absolute;
  left: 0;
}

/* Slide 9 — feature cards */
.vt-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 12px 0 14px;
}
.vt-features .vtf {
  padding: 10px 14px;
  background: rgba(2, 6, 23, 0.7);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--grid-cyan);
  border-radius: 3px;
}
.vt-features .vtf:nth-child(2) {
  border-left-color: var(--accent-magenta);
}
.vt-features .vtf:nth-child(3) {
  border-left-color: #ffd166;
}
.vt-features .vtf-k {
  font-family: "JetBrains Mono", monospace;
  font-size: 15px;
  color: var(--grid-cyan);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.vt-features .vtf:nth-child(2) .vtf-k {
  color: var(--accent-magenta);
}
.vt-features .vtf:nth-child(3) .vtf-k {
  color: #ffd166;
}
.vt-features .vtf-d {
  font-size: 17px;
  color: var(--ink);
  line-height: 1.3;
}
.vt-features .vtf-d code {
  font-family: "JetBrains Mono", monospace;
  color: #c9f4ff;
  background: rgba(0, 242, 255, 0.08);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 15px;
}
.vt-features .vtf-active {
  background: rgba(92, 255, 180, 0.06);
  border-color: rgba(92, 255, 180, 0.3);
  border-left-color: #5cffb4;
  box-shadow: 0 0 14px rgba(92, 255, 180, 0.15);
}
.vt-features .vtf-active .vtf-k {
  color: #5cffb4;
}
.vt-features .vtf-dim {
  opacity: 0.7;
}

/* API notes (transient activation, abort, perms) */
.api-notes {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.api-note {
  padding: 8px 14px;
  background: rgba(255, 209, 102, 0.08);
  border: 1px solid rgba(255, 209, 102, 0.3);
  border-left: 3px solid #ffd166;
  border-radius: 3px;
  font-size: 16px;
  color: var(--ink);
  line-height: 1.35;
}
.api-note b {
  color: #ffd166;
  margin-right: 6px;
  font-size: 18px;
}
.api-note code {
  font-family: "JetBrains Mono", monospace;
  color: var(--grid-cyan);
  background: rgba(0, 242, 255, 0.1);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 14px;
}

/* Code-block compacto para Summarizer */
.summary-code {
  font-size: 16px !important;
  line-height: 1.4 !important;
  padding: 18px 22px !important;
}
.vt-card .tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  color: var(--grid-cyan);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.vt-card .title-text {
  font-size: 28px;
  font-weight: 600;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 12px;
}
.vt-card .body-text {
  font-size: 22px;
  color: var(--ink-dim);
  line-height: 1.4;
}
.vt-card.after {
  border-color: var(--accent-magenta);
  box-shadow: 0 0 30px rgba(189, 0, 255, 0.2);
}
.vt-card.after .tag {
  color: var(--accent-magenta);
}
.vt-arrow {
  grid-column: 1 / -1;
  text-align: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 22px;
  color: var(--grid-cyan);
  letter-spacing: 0.2em;
}
.vt-arrow .arr {
  display: inline-block;
  width: 200px;
  height: 2px;
  background: linear-gradient(90deg, var(--grid-cyan), var(--accent-magenta));
  vertical-align: middle;
  margin: 0 16px;
}

/* ============ SLIDE 10 — POPOVER / DIALOG ============ */
.pop-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.pop-feature {
  padding: 36px 40px;
  background: rgba(2, 6, 23, 0.88);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
}
.pop-feature .k {
  font-family: "JetBrains Mono", monospace;
  color: var(--grid-cyan);
  font-size: 24px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.pop-feature h3 {
  font-size: 38px;
  margin: 0 0 18px 0;
  color: #fff;
  font-weight: 600;
  line-height: 1.15;
}
.pop-feature p {
  font-size: 26px;
  color: var(--ink-dim);
  line-height: 1.4;
  margin: 0;
}
.pop-stack {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 24px 28px;
  background: rgba(2, 6, 23, 0.78);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
}
.pop-stack .top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border: 2px solid var(--accent-magenta);
  background: rgba(189, 0, 255, 0.18);
  border-radius: 4px;
  color: #ffffff;
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  box-shadow: 0 16px 40px rgba(189, 0, 255, 0.35);
}
.pop-stack .top-bar b {
  color: #ffffff;
  font-weight: 600;
}
.pop-stack .top-bar .tag {
  font-size: 16px;
  color: #ffd9ff;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.pop-stack .gap-row {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 14px;
  padding: 12px 6px;
  color: var(--accent-magenta);
  font-family: "JetBrains Mono", monospace;
  font-size: 16px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.pop-stack .gap-row .arr {
  width: 28px;
  display: flex;
  justify-content: center;
  color: var(--accent-magenta);
  font-size: 22px;
}
.pop-stack .z-bar {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 12px 18px;
  margin-top: 6px;
  border: 1px solid var(--rule);
  background: rgba(0, 242, 255, 0.04);
  border-radius: 3px;
  color: var(--ink-dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
}
.pop-stack .z-bar .sel {
  color: #c5e2ff;
}
.pop-stack .z-bar .z {
  color: #ff9cca;
  font-weight: 500;
}
.pop-stack .doc-flow {
  margin-top: 14px;
  text-align: center;
  border-top: 1px dashed var(--rule);
  padding-top: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 15px;
  color: var(--ink-dim);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ============ SLIDE 11 — DEMO ============ */
.demo-stage {
  flex: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  min-height: 0;
}
.browser-chrome {
  background: rgba(2, 6, 23, 0.95);
  border: 1px solid var(--rule-strong);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 580px;
}
.browser-chrome .bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  background: rgba(0, 0, 0, 0.55);
  border-bottom: 1px solid var(--rule);
}
.browser-chrome .bar .dots {
  display: flex;
  gap: 8px;
}
.browser-chrome .bar .dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}
.browser-chrome .bar .url {
  flex: 1;
  padding: 6px 14px;
  background: rgba(0, 242, 255, 0.05);
  border: 1px solid var(--rule);
  border-radius: 3px;
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
  color: var(--ink-dim);
}
.doc {
  padding: 36px 40px;
  flex: 1;
  overflow: hidden;
}
.doc h4 {
  font-size: 30px;
  color: #fff;
  margin: 0 0 18px 0;
  font-weight: 600;
}
.doc p {
  font-size: 22px;
  color: var(--ink-dim);
  line-height: 1.5;
  margin: 0 0 18px 0;
}
.doc .target {
  position: relative;
  padding: 18px 22px;
  border: 1.5px solid var(--grid-cyan);
  background: rgba(0, 242, 255, 0.07);
  font-size: 22px;
  color: #fff;
  margin-bottom: 24px;
  cursor: pointer;
  transition: all 0.2s;
}
.doc .target:hover {
  box-shadow: 0 0 22px rgba(0, 242, 255, 0.4);
}
.doc .demo-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  background: var(--accent-magenta);
  color: #fff;
  border: 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  box-shadow: 0 0 30px rgba(189, 0, 255, 0.6);
  transition: all 0.2s;
}
.doc .demo-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(189, 0, 255, 0.85);
}
.doc .demo-btn .pulse {
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 50%;
  animation: pulse-dot 1.4s ease-in-out infinite;
}
@keyframes pulse-dot {
  50% {
    opacity: 0.3;
    transform: scale(1.4);
  }
}

.ai-panel {
  background: rgba(2, 6, 23, 0.95);
  border: 1px solid var(--accent-magenta);
  border-radius: 6px;
  padding: 28px 28px;
  display: flex;
  flex-direction: column;
  min-height: 580px;
  box-shadow: 0 0 50px rgba(189, 0, 255, 0.25);
}
.ai-panel .ap-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 24px;
}
.ai-panel .ap-head .left {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  color: var(--accent-magenta);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.ai-panel .ap-head .left .live {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-magenta);
  animation: blink 1.2s steps(2, end) infinite;
  box-shadow: 0 0 10px var(--accent-magenta);
}
.ai-panel .ap-head .right {
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
  color: var(--ink-dim);
}

.ai-panel .skeleton {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ai-panel .skeleton .bar {
  height: 18px;
  background: linear-gradient(
    90deg,
    rgba(0, 242, 255, 0.08) 0%,
    rgba(0, 242, 255, 0.25) 50%,
    rgba(0, 242, 255, 0.08) 100%
  );
  background-size: 800px 100%;
  animation: shimmer 1.4s linear infinite;
  border-radius: 2px;
}
.ai-panel .skeleton .bar.w90 {
  width: 90%;
}
.ai-panel .skeleton .bar.w70 {
  width: 70%;
}
.ai-panel .skeleton .bar.w80 {
  width: 80%;
}
.ai-panel .skeleton .bar.w60 {
  width: 60%;
}
.ai-panel .skeleton .bar.w50 {
  width: 50%;
}
.ai-panel .skeleton.hidden {
  display: none;
}

.ai-result {
  display: none;
  flex-direction: column;
  gap: 18px;
}
.ai-result.visible {
  display: flex;
}
.ai-result .tag-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.ai-result .tag-row span {
  padding: 6px 14px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
  color: var(--grid-cyan);
  background: rgba(0, 242, 255, 0.05);
}
.ai-result h5 {
  font-size: 26px;
  color: #fff;
  margin: 4px 0 6px;
}
.ai-result p {
  font-size: 22px;
  color: var(--ink);
  line-height: 1.45;
  margin: 0;
}
.ai-result .bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ai-result .bullets li {
  font-size: 22px;
  color: var(--ink);
  padding-left: 26px;
  position: relative;
  line-height: 1.4;
}
.ai-result .bullets li::before {
  content: "▸";
  color: var(--grid-cyan);
  position: absolute;
  left: 0;
  top: 0;
}

.ai-panel .empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "JetBrains Mono", monospace;
  color: var(--ink-dim);
  font-size: 22px;
  text-align: center;
  line-height: 1.5;
  padding: 0 20px;
}
.ai-panel .empty.hidden {
  display: none;
}

/* ============ SLIDE 12 — CHECKLIST ============ */
.check-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 40px;
  align-content: start;
}
.check-item {
  padding: 32px 36px;
  background: rgba(2, 6, 23, 0.88);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 22px;
  align-items: start;
}
.check-item .box {
  width: 48px;
  height: 48px;
  border: 2px solid var(--grid-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 30px;
  font-weight: 700;
  color: var(--grid-cyan);
  box-shadow: 0 0 14px rgba(0, 242, 255, 0.35);
}
.check-item .k {
  font-size: 30px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.15;
}
.check-item .d {
  font-size: 24px;
  color: var(--ink-dim);
  line-height: 1.4;
}
.check-item .d code {
  font-size: 22px;
  color: var(--grid-cyan);
  background: rgba(0, 242, 255, 0.08);
  padding: 2px 8px;
  border-radius: 2px;
}

/* ============ SLIDE 13 — Q&A ============ */
.qa-frame {
  align-items: center;
  justify-content: center;
  text-align: center;
}
.qa-mega {
  font-size: 220px;
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 0 0 36px 0;
  text-transform: uppercase;
}
.qa-thanks {
  font-size: 36px;
  color: var(--ink);
  margin: 0 0 72px 0;
  max-width: 1200px;
}
.qa-socials {
  display: flex;
  gap: 56px;
  justify-content: center;
  font-family: "JetBrains Mono", monospace;
}
.qa-socials .col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 40px;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  background: rgba(0, 242, 255, 0.04);
  min-width: 320px;
}
.qa-socials .col .net {
  font-size: 22px;
  color: var(--grid-cyan);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.qa-socials .col .handle {
  font-size: 32px;
  color: #fff;
  font-weight: 500;
}

.qa-qr-row {
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 48px;
}
.qa-qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.qa-qr-img {
  width: 160px;
  height: 160px;
  object-fit: contain;
  border: 2px solid var(--rule-strong);
  border-radius: 8px;
  background: #fff;
  padding: 6px;
}
.qa-qr-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 20px;
  color: var(--grid-cyan);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* scanline */
.scanline {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}
.scanline::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(0, 242, 255, 0.05),
    transparent
  );
  animation: scanline 6s linear infinite;
}

/* ============ 3D WEB AESTHETIC ============ */
.mesh-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(
      ellipse 60% 50% at 15% 20%,
      rgba(0, 242, 255, 0.22),
      transparent 60%
    ),
    radial-gradient(
      ellipse 50% 50% at 85% 30%,
      rgba(189, 0, 255, 0.22),
      transparent 60%
    ),
    radial-gradient(
      ellipse 70% 50% at 70% 90%,
      rgba(66, 133, 244, 0.22),
      transparent 60%
    ),
    radial-gradient(
      ellipse 40% 40% at 20% 85%,
      rgba(52, 168, 83, 0.14),
      transparent 60%
    );
  filter: blur(10px) saturate(1.1);
  opacity: 0.55;
}

/* 3D wireframe sphere — pure CSS */
.wf-sphere {
  position: relative;
  width: 260px;
  height: 260px;
  transform-style: preserve-3d;
  animation: sphere-spin 22s linear infinite;
}
.wf-sphere .ring {
  position: absolute;
  inset: 0;
  border: 1.5px solid rgba(0, 242, 255, 0.55);
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(0, 242, 255, 0.25);
}
.wf-sphere .ring.r2 {
  transform: rotateY(60deg);
  border-color: rgba(0, 242, 255, 0.45);
}
.wf-sphere .ring.r3 {
  transform: rotateY(120deg);
  border-color: rgba(0, 242, 255, 0.35);
}
.wf-sphere .ring.r4 {
  transform: rotateX(60deg);
  border-color: rgba(189, 0, 255, 0.55);
}
.wf-sphere .ring.r5 {
  transform: rotateX(-60deg);
  border-color: rgba(189, 0, 255, 0.4);
}
.wf-sphere .core {
  position: absolute;
  inset: 40%;
  background: radial-gradient(circle, #00f2ff, transparent 70%);
  filter: blur(8px);
  border-radius: 50%;
}
@keyframes sphere-spin {
  from {
    transform: rotateY(0deg) rotateX(12deg);
  }
  to {
    transform: rotateY(360deg) rotateX(12deg);
  }
}

/* Wireframe sphere — red glitch variant para slide problema */
.wf-sphere.red .ring {
  border-color: rgba(255, 45, 111, 0.55) !important;
  box-shadow: 0 0 14px rgba(255, 45, 111, 0.25);
}
.wf-sphere.red .ring.r4 {
  border-color: rgba(255, 100, 130, 0.45) !important;
}
.wf-sphere.red .ring.r5 {
  border-color: rgba(255, 100, 130, 0.35) !important;
}
.wf-sphere.red .core {
  background: radial-gradient(circle, #ff2d6f, transparent 70%) !important;
}

/* Wireframe torus icon (anillos apilados) */
.wf-torus {
  position: relative;
  width: 200px;
  height: 200px;
  transform-style: preserve-3d;
  animation: sphere-spin 24s linear infinite;
}
.wf-torus .tring {
  position: absolute;
  left: 0;
  right: 0;
  height: 26px;
  border: 1.5px solid rgba(0, 242, 255, 0.55);
  border-radius: 50%;
  background: transparent;
}
.wf-torus .tring.t1 {
  top: 30%;
  transform: rotateX(72deg);
}
.wf-torus .tring.t2 {
  top: 45%;
  transform: rotateX(72deg) translateZ(-22px);
  border-color: rgba(0, 242, 255, 0.4);
}
.wf-torus .tring.t3 {
  top: 50%;
  transform: rotateX(72deg) translateZ(-44px);
  border-color: rgba(189, 0, 255, 0.45);
}
.wf-torus .tring.t4 {
  top: 55%;
  transform: rotateX(72deg) translateZ(-66px);
  border-color: rgba(189, 0, 255, 0.35);
}

/* 3D wireframe cube */
.wf-cube {
  width: 160px;
  height: 160px;
  position: relative;
  transform-style: preserve-3d;
  animation: cube-spin 18s linear infinite;
}
.wf-cube .face {
  position: absolute;
  inset: 0;
  border: 1.5px solid rgba(0, 242, 255, 0.65);
  background: rgba(0, 242, 255, 0.04);
  box-shadow: inset 0 0 30px rgba(0, 242, 255, 0.15);
}
.wf-cube .face.f1 {
  transform: translateZ(80px);
}
.wf-cube .face.f2 {
  transform: rotateY(180deg) translateZ(80px);
}
.wf-cube .face.f3 {
  transform: rotateY(90deg) translateZ(80px);
}
.wf-cube .face.f4 {
  transform: rotateY(-90deg) translateZ(80px);
}
.wf-cube .face.f5 {
  transform: rotateX(90deg) translateZ(80px);
}
.wf-cube .face.f6 {
  transform: rotateX(-90deg) translateZ(80px);
}
@keyframes cube-spin {
  from {
    transform: rotateY(0deg) rotateX(20deg) rotateZ(0deg);
  }
  to {
    transform: rotateY(360deg) rotateX(20deg) rotateZ(360deg);
  }
}

/* 3D perspective panel */
.persp-stage {
  perspective: 1400px;
  transform-style: preserve-3d;
}
.persp-tilt-l {
  transform: rotateY(8deg) rotateX(-2deg);
  transform-origin: right center;
}
.persp-tilt-r {
  transform: rotateY(-8deg) rotateX(-2deg);
  transform-origin: left center;
}

.io-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 22px;
  background: linear-gradient(
    90deg,
    rgba(66, 133, 244, 0.18),
    rgba(189, 0, 255, 0.18)
  );
  border: 1px solid rgba(0, 242, 255, 0.45);
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 24px;
  color: #d8feff;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.io-badge .gdot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    #4285f4,
    #34a853 30%,
    #fbbc04 60%,
    #ea4335
  );
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
}

.deck-controls {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  gap: 8px;
  font-family: "JetBrains Mono", monospace;
}
.deck-ctrl {
  appearance: none;
  border: 1px solid rgba(0, 242, 255, 0.45);
  background: rgba(2, 6, 23, 0.85);
  color: #d8feff;
  padding: 9px 14px;
  font-family: inherit;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 4px;
  backdrop-filter: blur(8px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition:
    background 0.15s,
    border-color 0.15s,
    color 0.15s;
}
.deck-ctrl:hover {
  background: rgba(0, 242, 255, 0.12);
  border-color: rgba(0, 242, 255, 0.85);
}
.deck-ctrl[data-active] {
  background: rgba(189, 0, 255, 0.18);
  border-color: rgba(189, 0, 255, 0.75);
  color: #ffd9ff;
}
.deck-ctrl svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}
@media print {
  .deck-controls {
    display: none !important;
  }
}
deck-stage[data-presenting] ~ .deck-controls,
deck-stage:fullscreen ~ .deck-controls {
  display: none;
}

/* ============ LIGHT MODE ============ */
html.light-mode {
  --bg-deep: #f0f4ff;
  --bg-panel: rgba(255, 255, 255, 0.95);
  --grid-cyan: #0077a0;
  --accent-magenta: #7b00cc;
  --accent-red: #cc1a4f;
  --ink: #0d1b2e;
  --ink-dim: #4a6480;
  --rule: rgba(0, 119, 160, 0.18);
  --rule-strong: rgba(0, 119, 160, 0.42);
}

html.light-mode body {
  background: #e8edf8;
}

html.light-mode deck-stage > section {
  background: var(--bg-deep);
  color: var(--ink);
}

/* Lighter blueprint grid */
html.light-mode deck-stage > section::before {
  background-image:
    linear-gradient(rgba(0, 119, 160, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 119, 160, 0.1) 1px, transparent 1px),
    linear-gradient(rgba(0, 119, 160, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 119, 160, 0.05) 1px, transparent 1px);
}

/* Lighter vignette */
html.light-mode deck-stage > section::after {
  background:
    radial-gradient(ellipse at 18% 12%, rgba(0, 119, 160, 0.08), transparent 55%),
    radial-gradient(ellipse at 85% 90%, rgba(123, 0, 204, 0.08), transparent 60%),
    radial-gradient(ellipse at 50% 50%, transparent 40%, rgba(200, 210, 230, 0.35) 100%);
}

html.light-mode .footer-bar {
  background: rgba(220, 228, 245, 0.9);
  border-top-color: var(--rule);
}

html.light-mode pre.code-block {
  background: rgba(220, 228, 245, 0.92);
  color: #0d2040;
}
html.light-mode code { color: #0d2040; }
html.light-mode .tok-key  { color: #a8005c; }
html.light-mode .tok-fn   { color: #005f80; }
html.light-mode .tok-str  { color: #2a6e00; }
html.light-mode .tok-com  { color: #7a8f9a; }
html.light-mode .tok-var  { color: #0d2040; }
html.light-mode .tok-num  { color: #7a4800; }

html.light-mode .neon-cyan {
  color: #004d6e;
  text-shadow: none;
}
html.light-mode .neon-magenta {
  color: #5a0099;
  text-shadow: none;
}

html.light-mode h1.title {
  color: #0d1b2e;
}

html.light-mode .deck-ctrl {
  background: rgba(220, 228, 245, 0.9);
  border-color: rgba(0, 119, 160, 0.5);
  color: #0d1b2e;
}
html.light-mode .deck-ctrl:hover {
  background: rgba(0, 119, 160, 0.12);
  border-color: rgba(0, 119, 160, 0.85);
}
html.light-mode .deck-ctrl[data-active] {
  background: rgba(123, 0, 204, 0.12);
  border-color: rgba(123, 0, 204, 0.6);
  color: #3d006e;
}

html.light-mode .glass {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 119, 160, 0.35);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.6),
    0 20px 60px rgba(0, 0, 0, 0.1);
}

html.light-mode .pill {
  background: rgba(0, 119, 160, 0.07);
  border-color: rgba(0, 119, 160, 0.4);
  color: #005a80;
}
html.light-mode .pill.magenta {
  background: rgba(123, 0, 204, 0.5);
  border-color: rgba(123, 0, 204, 0.8);
  color: #fff;
}

html.light-mode .mesh-bg { opacity: 0.15 !important; }