/* ========================================
     DONNA PRESENTATION — STYLES
     Dark theme matching dashboard aesthetic
     ======================================== */

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { background: #0a0a14; }

  :root {
    --bg: #0a0a14;
    --bg-surface: #0e0e1a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --purple: #7B2D8E;
    --purple-dark: #3F0E40;
    --purple-glow: rgba(123, 45, 142, 0.4);
    --purple-light: #C090C0;
    --pink: #E0B0E0;
    --white: #fff;
    --text: #e0e0e0;
    --text-muted: #9a9ab0;
    --text-dim: #6a6a80;
    --text-faint: #4a4a60;
    --success: #4ADE80;
    --error: #F87171;
    --warning: #FBBF24;
    --info: #60A5FA;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
  }

  body {
    font-family: var(--font);
    background: transparent;
    color: var(--text);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
  }

  #bg-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
  }

  .presentation {
    position: relative;
    z-index: 1;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
  }

  /* ========================================
     SLIDES
     ======================================== */

  .slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    will-change: transform, opacity;
  }

  .slide-active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
  }

  .slide-exit-left {
    opacity: 0;
    transform: translateX(-60px);
    pointer-events: none;
  }

  .slide-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    position: relative;
  }

  /* ========================================
     LAYOUTS
     ======================================== */

  .slide-title-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
  }

  .slide-center-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
  }

  .slide-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
  }

  .slide-two-col-reverse {
    direction: rtl;
  }

  .slide-two-col-reverse > * {
    direction: ltr;
  }

  /* ========================================
     TYPOGRAPHY
     ======================================== */

  .slide-eyebrow {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--purple-light);
    font-weight: 600;
  }

  .slide-main-title {
    font-size: 7rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1;
    background: linear-gradient(135deg, #c090c0, #7B2D8E, #e0b0e0);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 6s ease infinite;
  }

  @keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
  }

  .slide-subtitle-big {
    font-size: 1.8rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: -0.01em;
  }

  .slide-tagline {
    font-size: 1.15rem;
    color: var(--text-dim);
    max-width: 600px;
    line-height: 1.6;
    margin-top: 0.5rem;
  }

  .slide-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-faint);
    margin-top: 1.5rem;
  }

  .slide-heading {
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.03em;
    line-height: 1.15;
  }

  /* ---- Slide 4: Meet Donna phased intro animation ---- */

  .slide[data-index="3"] .slide-heading {
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, font-size, opacity;
  }

  /* Phase INTRO — title centered, huge, beaming */
  .slide[data-index="3"].phase-intro .slide-heading {
    font-size: 5.5rem;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 20;
    white-space: nowrap;
    text-shadow:
      0 0 20px rgba(192, 144, 192, 0.6),
      0 0 40px rgba(123, 45, 142, 0.4),
      0 0 80px rgba(123, 45, 142, 0.2);
    background: linear-gradient(135deg, #e0c0e0, #c090c0, #7B2D8E, #e0b0e0, #c090c0);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: beamingGlow 2s ease-in-out infinite, beamingGradient 3s ease infinite;
  }

  @keyframes beamingGlow {
    0%, 100% {
      filter: brightness(1) drop-shadow(0 0 20px rgba(192, 144, 192, 0.3));
    }
    50% {
      filter: brightness(1.3) drop-shadow(0 0 40px rgba(192, 144, 192, 0.6));
    }
  }

  @keyframes beamingGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  /* Hide subtitle and constellation during intro */
  .slide[data-index="3"].phase-intro .slide-body-subtitle {
    opacity: 0;
    transform: translateY(10px);
  }

  .slide[data-index="3"].phase-intro .agent-constellation {
    opacity: 0;
    transform: scale(0.95);
  }

  .slide[data-index="3"] .slide-body-subtitle {
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
  }

  .slide[data-index="3"] .agent-constellation {
    transition: opacity 1s ease 0.3s, transform 1s ease 0.3s;
  }

  /* Phase SETTLED — title back to normal position */
  .slide[data-index="3"].phase-settled .slide-heading {
    font-size: 3rem;
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    animation: none;
    filter: none;
    text-shadow: none;
    background: none;
    -webkit-text-fill-color: var(--white);
    color: var(--white);
    white-space: normal;
  }

  .slide[data-index="3"].phase-settled .slide-body-subtitle {
    opacity: 1;
    transform: translateY(0);
  }

  .slide[data-index="3"].phase-settled .agent-constellation {
    opacity: 1;
    transform: scale(1);
  }

  .slide-heading-big {
    font-size: 3.8rem;
    background: linear-gradient(135deg, #c090c0, #7B2D8E, #e0b0e0);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 6s ease infinite;
  }

  .slide-body {
    font-size: 1.2rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 700px;
  }

  .slide-body-subtitle {
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
  }

  .slide-body strong {
    color: var(--white);
    font-weight: 600;
  }

  .slide-blockquote {
    font-size: 1.3rem;
    font-style: italic;
    color: var(--text-muted);
    line-height: 1.7;
    border-left: 3px solid var(--purple);
    padding-left: 1.25rem;
    margin: 1rem 0;
  }

  .slide-blockquote-compact {
    font-size: 1.1rem;
    margin-top: 1.5rem;
  }

  .title-icon {
    margin-bottom: 1rem;
    animation: float 4s ease-in-out infinite;
  }

  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
  }

  /* ========================================
     NAVIGATION
     ======================================== */

  .nav-arrow {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    background: rgba(14, 14, 26, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 48px; height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.25s ease;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
  }

  .nav-arrow:hover {
    background: var(--purple);
    color: white;
    border-color: var(--purple);
    box-shadow: 0 4px 20px var(--purple-glow);
  }

  .nav-prev { left: 1.5rem; }
  .nav-next { right: 1.5rem; }

  /* ========================================
     PROGRESS DOTS
     ======================================== */

  .progress-dots {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    display: flex;
    gap: 0.6rem;
    padding: 0.5rem 1rem;
    background: rgba(14, 14, 26, 0.8);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    border: 1px solid var(--border);
  }

  .dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    border: 1.5px solid var(--purple);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
  }

  .dot:hover {
    background: rgba(123, 45, 142, 0.3);
  }

  .dot.active {
    background: var(--purple);
    box-shadow: 0 0 8px var(--purple-glow);
  }

  /* ========================================
     SLIDE COUNTER
     ======================================== */

  .slide-counter {
    position: fixed;
    top: 1.5rem; right: 2rem;
    z-index: 100;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-dim);
    opacity: 0.6;
  }

  /* ========================================
     PHILOSOPHY / WHY SLIDE
     ======================================== */

  .philosophy-bg-img {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
  }

  .philosophy-bg-img img {
    width: 70%;
    max-width: 700px;
    height: auto;
    opacity: 0.12;
    mask-image: radial-gradient(ellipse 50% 45% at 50% 50%, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 50% 45% at 50% 50%, black 30%, transparent 75%);
    filter: blur(1px);
  }

  .slide-philosophy {
    max-width: 900px;
    position: relative;
    z-index: 1;
  }

  .philosophy-heading {
    margin-bottom: 3rem;
    line-height: 1.2;
  }

  .philosophy-points {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    text-align: left;
  }

  .philosophy-point {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    padding: 1.2rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .philosophy-point.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .philosophy-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    margin-top: 2px;
  }

  .philosophy-point h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin: 0 0 0.3rem 0;
  }

  .philosophy-point p {
    font-size: 0.95rem;
    color: var(--text-dim);
    line-height: 1.5;
    margin: 0;
  }

  /* ========================================
     AUDIO CONTROLS
     ======================================== */

  .audio-controls {
    position: fixed;
    top: 1.5rem; left: 2rem;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.4rem 0.75rem;
    background: rgba(14, 14, 26, 0.8);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    border: 1px solid var(--border);
  }

  .audio-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--purple-light);
    display: flex;
    align-items: center;
    transition: color 0.2s;
    padding: 4px;
  }

  .audio-toggle:hover { color: var(--white); }

  .audio-toggle.muted { color: var(--text-faint); }
  .audio-toggle.muted .audio-on { display: none; }
  .audio-toggle.muted .audio-off { display: block !important; }

  .volume-slider {
    width: 60px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
  }

  .volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--purple-light);
    cursor: pointer;
    border: none;
  }

  .audio-divider {
    width: 1px;
    height: 18px;
    background: var(--border);
    opacity: 0.5;
  }

  .audio-progress {
    width: 40px;
    height: 3px;
    background: rgba(255,255,255,0.06);
    border-radius: 2px;
    overflow: hidden;
  }

  .audio-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--purple);
    border-radius: 2px;
    transition: width 0.2s linear;
  }

  /* ========================================
     PLAY OVERLAY
     ======================================== */

  .play-overlay {
    position: fixed;
    inset: 0;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 20, 0.6);
    backdrop-filter: blur(4px);
    transition: opacity 0.6s ease, visibility 0.6s ease;
  }

  .play-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  .play-overlay-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--purple);
    transition: transform 0.3s ease;
  }

  .play-overlay-btn:hover { transform: scale(1.08); }

  .play-overlay-btn span {
    font-family: var(--font);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.02em;
  }

  /* ========================================
     SLIDE 2: Problem Stats
     ======================================== */

  .problem-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
  }

  .problem-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
  }

  .stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--error);
    font-family: var(--font-mono);
  }

  .stat-label {
    font-size: 0.85rem;
    color: var(--text-dim);
    text-align: center;
    max-width: 120px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .broken-shield {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 5s ease-in-out infinite;
  }

  .slide-visual-side {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .slide-illustration {
    max-width: 100%;
    max-height: 380px;
    width: auto;
    height: auto;
    opacity: 0.85;
  }

  .slide-illustration-wide {
    max-width: 90%;
    max-height: 140px;
    width: auto;
    height: auto;
    opacity: 0.7;
    margin: 0 auto 0.5rem auto;
    display: block;
  }

  /* ========================================
     SLIDE 4: Agent Constellation
     ======================================== */

  .agent-constellation {
    position: relative;
    width: 100%;
    max-width: 1100px;
    height: 520px;
    margin-top: 1rem;
  }

  /* SVG connection lines */
  .constellation-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
  }

  .conn-line {
    stroke: rgba(123, 45, 142, 0.15);
    stroke-width: 1;
    stroke-dasharray: 6 4;
    animation: dashFlow 20s linear infinite;
  }

  .conn-outer {
    stroke: rgba(255, 255, 255, 0.04);
    stroke-dasharray: 4 6;
  }

  @keyframes dashFlow {
    to { stroke-dashoffset: -200; }
  }

  .pulse-dot {
    fill: var(--purple-light);
    opacity: 0.7;
    filter: blur(1px);
  }

  /* Central hub */
  .agent-hub {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .hub-core {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(123,45,142,0.25), rgba(10,10,20,0.8));
    border: 2px solid rgba(123,45,142,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 40px rgba(123,45,142,0.3), inset 0 0 20px rgba(123,45,142,0.1);
  }

  .hub-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(123,45,142,0.15);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  .hub-ring-1 {
    width: 170px;
    height: 170px;
    animation: hubPulse 3s ease-in-out infinite;
  }

  .hub-ring-2 {
    width: 210px;
    height: 210px;
    animation: hubPulse 3s ease-in-out infinite 1.5s;
  }

  @keyframes hubPulse {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.6; transform: translate(-50%, -50%) scale(1.08); }
  }

  .hub-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--purple-light);
    text-transform: uppercase;
    letter-spacing: 0.15em;
  }

  /* Orbital agent nodes */
  .agent-orbital {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 5;
    opacity: 0;
    transform: scale(0.3);
    filter: blur(8px);
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                filter 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  .agent-orbital.visible {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }

  .orbital-glow {
    position: absolute;
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--glow-color), transparent 70%);
    opacity: 0.15;
    left: -8px;
    top: -8px;
    animation: orbitalGlow 4s ease-in-out infinite;
    pointer-events: none;
  }

  @keyframes orbitalGlow {
    0%, 100% { opacity: 0.1; transform: scale(1); }
    50% { opacity: 0.25; transform: scale(1.15); }
  }

  .orbital-icon {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: rgba(14, 14, 26, 0.9);
    border: 2px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    z-index: 1;
  }

  .agent-orbital:hover .orbital-icon {
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(123, 45, 142, 0.3);
  }

  .orbital-info {
    text-align: left;
    white-space: nowrap;
  }

  .orbital-icon svg {
    width: 56px;
    height: 56px;
  }

  .orbital-info h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--white);
    margin: 0;
    line-height: 1.2;
  }

  .orbital-count {
    font-size: 0.95rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
  }

  /* Position the 4 orbital groups */
  .recon-orbital    { top: 14%; left: 6%;  }
  .analysis-orbital { top: 4%;  left: 52%; }
  .exploit-orbital  { top: 52%; right: 4%; flex-direction: row-reverse; }
  .exploit-orbital .orbital-info { text-align: right; }
  .report-orbital   { bottom: 8%; left: 30%; }

  /* Mini agent dots */
  .mini-agent {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color);
    left: var(--x);
    top: var(--y);
    opacity: 0;
    animation: miniAppear 0.5s ease forwards var(--delay),
               miniFloat 5s ease-in-out infinite calc(var(--delay) + 0.5s);
    box-shadow: 0 0 8px var(--color);
    z-index: 3;
  }

  @keyframes miniAppear {
    to { opacity: 0.6; }
  }

  @keyframes miniFloat {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(4px, -6px); }
    50% { transform: translate(-3px, -2px); }
    75% { transform: translate(5px, 4px); }
  }

  /* ========================================
     SLIDE 4: Pipeline
     ======================================== */

  .pipeline-flow {
    display: flex;
    align-items: center;
    gap: 0;
    margin-top: 2rem;
    width: 100%;
    max-width: 950px;
  }

  .pipeline-phase {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .pipeline-phase.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .phase-number {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple-dark), var(--purple));
    color: var(--white);
    font-weight: 800;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px var(--purple-glow);
  }

  .phase-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.35rem;
  }

  .phase-content p {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.5;
    max-width: 200px;
  }

  .pipeline-connector {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--purple), var(--purple-light));
    opacity: 0.4;
    flex-shrink: 0;
    margin-top: -2rem;
  }

  /* ========================================
     SLIDE 5: Agent Loop + Docker Stack
     ======================================== */

  .agent-loop-nodes {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 1.5rem 0;
  }

  .loop-node {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.6rem 1rem;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .loop-node.visible {
    opacity: 1;
    transform: translateX(0);
  }

  .loop-node-num {
    width: 24px; height: 24px;
    border-radius: 50%;
    background: var(--purple);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .loop-node-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
  }

  .loop-connector-h {
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, var(--purple), var(--purple-light));
    opacity: 0.4;
  }

  .loop-connector-return {
    background: linear-gradient(90deg, var(--purple-light), var(--purple));
  }

  .loop-repeat {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--purple-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0;
    transition: opacity 0.5s ease;
  }

  .loop-repeat.visible { opacity: 1; }

  .docker-stack {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
    max-width: 280px;
  }

  .docker-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .docker-container.visible {
    opacity: 1;
    transform: translateX(0);
  }

  .docker-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-faint);
    background: rgba(96, 165, 250, 0.1);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    border: 1px solid rgba(96, 165, 250, 0.15);
  }

  .docker-agent {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    font-family: var(--font-mono);
  }

  /* ========================================
     SLIDE 6: Temporal
     ======================================== */

  .temporal-viz {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem;
    width: 100%;
    max-width: 360px;
  }

  .temporal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
  }

  .temporal-logo {
    font-weight: 800;
    font-size: 0.85rem;
    color: var(--white);
  }

  .temporal-status {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
  }

  .temporal-status.running {
    background: rgba(96, 165, 250, 0.1);
    color: var(--info);
    border: 1px solid rgba(96, 165, 250, 0.2);
  }

  .temporal-timeline {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-left: 0.5rem;
  }

  .timeline-event {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease;
  }

  .timeline-event.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .event-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
  }

  .timeline-event.completed .event-dot {
    background: var(--success);
  }

  .timeline-event.active .event-dot {
    background: var(--info);
    animation: dotPulse 2s ease-in-out infinite;
  }

  @keyframes dotPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(96, 165, 250, 0.4); }
    50% { box-shadow: 0 0 0 4px rgba(96, 165, 250, 0); }
  }

  .event-label {
    font-size: 0.8rem;
    color: var(--text);
    flex: 1;
  }

  .event-time {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-dim);
  }

  .feature-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
  }

  .feature-pill {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--purple-light);
    background: rgba(123, 45, 142, 0.1);
    border: 1px solid rgba(123, 45, 142, 0.2);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
  }

  /* ========================================
     SLIDE 7: Dashboard Preview
     ======================================== */

  .dashboard-preview {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    width: 100%;
    max-width: 800px;
    margin-top: 1rem;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
  }

  .dash-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: rgba(14, 14, 26, 0.6);
  }

  .dash-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--white);
  }

  .dash-icon {
    font-size: 0.9rem;
  }

  .dash-stats-row {
    display: flex;
    gap: 1.5rem;
  }

  .dash-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .dash-stat-value {
    font-size: 1.1rem;
    font-weight: 800;
    font-family: var(--font-mono);
  }

  .dash-stat-value.purple { color: var(--purple-light); }
  .dash-stat-value.green { color: var(--success); }
  .dash-stat-value.red { color: var(--error); }

  .dash-stat-label {
    font-size: 0.6rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  .dash-table {
    padding: 0;
  }

  .dash-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    padding: 0.65rem 1.25rem;
    font-size: 0.78rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    align-items: center;
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.4s ease;
  }

  .dash-row.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .dash-row.header {
    background: rgba(255, 255, 255, 0.02);
    font-weight: 600;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    opacity: 1;
    transform: none;
  }

  .dash-row .mono {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--purple-light);
  }

  .status-running {
    color: var(--info);
    font-weight: 600;
    font-size: 0.72rem;
  }

  .status-completed {
    color: var(--success);
    font-weight: 600;
    font-size: 0.72rem;
  }

  .findings-badge {
    font-size: 0.68rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    display: inline-block;
    width: fit-content;
  }

  .findings-badge.crit {
    background: rgba(248, 113, 113, 0.1);
    color: var(--error);
    border: 1px solid rgba(248, 113, 113, 0.2);
  }

  .findings-badge.high {
    background: rgba(251, 191, 36, 0.1);
    color: var(--warning);
    border: 1px solid rgba(251, 191, 36, 0.2);
  }

  .findings-badge.med {
    background: rgba(96, 165, 250, 0.1);
    color: var(--info);
    border: 1px solid rgba(96, 165, 250, 0.2);
  }

  /* ========================================
     SLIDE 8: Findings
     ======================================== */

  .severity-scale {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 1.5rem;
  }

  .severity-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.4s ease;
  }

  .severity-item.visible {
    opacity: 1;
    transform: translateX(0);
  }

  .sev-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
  }

  .severity-item.crit .sev-dot { background: var(--error); box-shadow: 0 0 6px rgba(248, 113, 113, 0.4); }
  .severity-item.high .sev-dot { background: var(--warning); box-shadow: 0 0 6px rgba(251, 191, 36, 0.4); }
  .severity-item.med .sev-dot { background: var(--info); }
  .severity-item.low .sev-dot { background: var(--success); }
  .severity-item.info .sev-dot { background: var(--text-dim); }

  .sev-label {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    min-width: 75px;
  }

  .sev-desc {
    font-size: 0.9rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
  }

  .finding-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem;
    width: 100%;
    max-width: 380px;
  }

  .finding-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
  }

  .finding-severity {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
  }

  .finding-severity.crit {
    background: rgba(248, 113, 113, 0.15);
    color: var(--error);
    border: 1px solid rgba(248, 113, 113, 0.3);
  }

  .finding-cvss {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--error);
    font-family: var(--font-mono);
  }

  .finding-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.75rem;
  }

  .finding-section {
    margin-bottom: 0.75rem;
  }

  .finding-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-faint);
    font-weight: 600;
    margin-bottom: 0.3rem;
    display: block;
  }

  .finding-code {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text);
    white-space: pre;
    overflow-x: auto;
    line-height: 1.5;
  }

  .finding-text {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
  }

  /* ========================================
     SLIDE 9: Final CTA
     ======================================== */

  .slide-final {
    gap: 1rem;
  }

  .final-features {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.5rem;
  }

  .final-feature {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-muted);
  }

  .final-sep {
    color: var(--text-faint);
  }

  .final-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    margin-top: 2rem;
  }

  .cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--purple-dark), var(--purple));
    color: var(--white);
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px var(--purple-glow);
    font-family: var(--font);
  }

  .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(123, 45, 142, 0.5);
    color: var(--white);
  }

  .final-cli {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.6rem 1.25rem;
  }

  .final-cli code {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--purple-light);
  }

  /* ========================================
     RESPONSIVE
     ======================================== */

  @media (max-width: 768px) {
    .slide { padding: 1.5rem; }

    .slide-main-title { font-size: 4rem; }
    .slide-heading { font-size: 2rem; }
    .slide-heading-big { font-size: 2.5rem; }

    .slide-two-col {
      grid-template-columns: 1fr;
      gap: 2rem;
    }

    .slide-two-col-reverse { direction: ltr; }

    .agent-constellation {
      height: 300px;
      transform: scale(0.7);
      transform-origin: center center;
    }

    .pipeline-flow {
      flex-direction: column;
      gap: 0;
    }

    .pipeline-connector {
      width: 2px;
      height: 20px;
      background: linear-gradient(180deg, var(--purple), var(--purple-light));
    }

    .problem-stats {
      flex-direction: column;
      gap: 1rem;
    }

    .nav-arrow {
      width: 40px; height: 40px;
    }

    .nav-prev { left: 0.75rem; }
    .nav-next { right: 0.75rem; }

    .dash-stats-row { display: none; }

    .dash-row {
      grid-template-columns: 1fr 1fr;
      gap: 0.25rem;
    }

    .docker-stack { max-width: 100%; }

    .finding-card { max-width: 100%; }

    .temporal-viz { max-width: 100%; }

    .audio-controls { left: 1rem; top: 1rem; }
    .slide-counter { right: 1rem; top: 1rem; }
  }

  @media (max-width: 480px) {
    .slide { padding: 1rem; }
    .slide-main-title { font-size: 3rem; }
    .agent-constellation { transform: scale(0.55); }
    .agent-loop-nodes { flex-direction: column; }
    .loop-connector-h {
      width: 2px; height: 12px;
      background: linear-gradient(180deg, var(--purple), var(--purple-light));
    }
    .final-features { flex-direction: column; gap: 0.25rem; }
    .final-sep { display: none; }