/* ============================================
   AI / MCP / RAG Talk — presentation specifics
   ============================================ */

:root {
  --ai-blue: #2563eb;
  --ai-blue-light: rgba(37, 99, 235, 0.12);
  --ai-purple: #7c3aed;
  --ai-purple-light: rgba(124, 58, 237, 0.12);
  --ai-green: #059669;
  --ai-green-light: rgba(5, 150, 105, 0.12);
  --ai-red: #dc2626;
  --ai-red-light: rgba(220, 38, 38, 0.1);
  --ai-ink: #111827;
}

body {
  background:
    linear-gradient(135deg, rgba(255, 206, 50, 0.12), transparent 36%),
    linear-gradient(225deg, rgba(37, 99, 235, 0.08), transparent 34%),
    var(--bg-primary);
}

.slide-content {
  position: relative;
}

.slide-content::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.28), transparent 45%);
}

.slide-content > * {
  position: relative;
  z-index: 1;
}

.slide-content > .slide-number {
  position: absolute;
  z-index: 2;
}

.hero-icons,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.hero-icon {
  display: inline-flex;
  min-width: 54px;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--bg-surface-2);
  font-size: 1.6rem;
  box-shadow: var(--shadow-sm);
}

.hero-title {
  margin-top: 20px;
}

.hero-subtitle {
  display: inline-flex;
  margin-top: 14px;
  border-radius: 999px;
  border: 1px solid var(--accent-border);
  background: var(--accent-light);
  padding: 8px 18px;
  color: var(--ai-ink);
  font-weight: 600;
}

.pain-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.pain-item,
.takeaway-item,
.roadmap-item,
.pipeline-step,
.layer-card,
.trace-row,
.setup-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
}

.pain-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
}

.pain-item__icon,
.takeaway-number,
.pipeline-step__num,
.setup-item__num {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--accent-light);
  color: var(--ai-ink);
  font-weight: 700;
}

.takeaway-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.takeaway-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 18px;
}

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.roadmap-item {
  min-height: 132px;
  padding: 16px;
}

.roadmap-item--active {
  border-color: var(--accent-border);
  background: linear-gradient(160deg, var(--accent-light), var(--bg-surface));
}

.roadmap-item__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
}

.roadmap-item h3 {
  margin-top: 10px;
  font-size: 1rem;
}

.roadmap-item p {
  margin-top: 8px;
  font-size: 0.83rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.timeline__point {
  border-top: 4px solid var(--accent);
  padding: 14px 12px 0;
}

.timeline__year {
  color: var(--ai-blue);
  font-family: 'Manrope', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
}

.pipeline {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.pipeline-step {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
}

.pipeline-step__tag {
  border-radius: 999px;
  background: var(--ai-blue-light);
  padding: 4px 10px;
  color: var(--ai-blue);
  font-size: 0.72rem;
  font-weight: 600;
}

.layer-triptych {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.layer-card {
  min-height: 210px;
  padding: 22px;
}

.layer-card--rag {
  border-color: rgba(5, 150, 105, 0.32);
  background: var(--ai-green-light);
}

.layer-card--mcp {
  border-color: rgba(37, 99, 235, 0.32);
  background: var(--ai-blue-light);
}

.layer-card--skills {
  border-color: rgba(124, 58, 237, 0.32);
  background: var(--ai-purple-light);
}

.layer-card__icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.terminal-card {
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--bg-code);
  box-shadow: var(--shadow-md);
}

.terminal-card__bar {
  display: flex;
  gap: 7px;
  align-items: center;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.06);
}

.terminal-card__dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #ff5f56;
}

.terminal-card__dot:nth-child(2) {
  background: #ffbd2e;
}

.terminal-card__dot:nth-child(3) {
  background: #27c93f;
}

.terminal-card pre {
  margin: 0;
  padding: 18px;
  white-space: pre-wrap;
  color: var(--text-on-code);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.55;
}

.trace {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.trace-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 12px;
  padding: 12px 14px;
}

.trace-row strong {
  color: var(--ai-blue);
}

.demo-screen {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  margin-top: 22px;
}

.demo-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-surface-2);
  padding: 16px;
}

.demo-panel h3 {
  font-size: 1rem;
}

.setup-list {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.setup-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 14px 16px;
}

.meme-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.meme-card {
  min-height: 120px;
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--bg-surface), var(--bg-surface-2));
}

.meme-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ai-ink);
}

.slide--meme .slide-content {
  max-width: 1040px;
  padding: 28px 36px 34px;
}

.slide--meme h2 {
  max-width: 860px;
  margin-inline: auto;
  text-align: center;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
}

.meme-frame {
  display: grid;
  aspect-ratio: 16 / 9;
  width: min(100%, 860px);
  margin: 18px auto 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #0f172a;
  box-shadow: var(--shadow-md);
}

.meme-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.meme-caption {
  max-width: 780px;
  margin: 12px auto 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-align: center;
}

.qr-placeholder {
  display: grid;
  width: 144px;
  height: 144px;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin: 20px auto 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #fff;
  padding: 12px;
}

.qr-placeholder span {
  border-radius: 4px;
  background: var(--ai-ink);
}

.qr-placeholder span:nth-child(3n) {
  background: transparent;
}

@media (max-width: 860px) {
  .roadmap-grid,
  .timeline,
  .layer-triptych,
  .demo-screen,
  .meme-strip {
    grid-template-columns: 1fr;
  }

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

  .trace-row,
  .pipeline-step {
    grid-template-columns: 1fr;
  }
}