/* ===== ROOT VARIABLES ===== */
:root {
  --bg-primary: #06060e;
  --bg-secondary: #0c0c18;
  --bg-tertiary: #111122;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border-card: rgba(255, 255, 255, 0.06);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.55);
  --text-tertiary: rgba(255, 255, 255, 0.35);
  --accent-blue: #00d4ff;
  --accent-purple: #7b2fff;
  --accent-pink: #ff2faf;
  --accent-gradient: linear-gradient(135deg, #00d4ff, #7b2fff);
  --accent-gradient-2: linear-gradient(135deg, #7b2fff, #ff2faf);
  --glow-blue: 0 0 30px rgba(0, 212, 255, 0.25);
  --glow-purple: 0 0 30px rgba(123, 47, 255, 0.25);
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
}

/* ===== RESET ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow: hidden;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== PROGRESS BAR ===== */
#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--accent-gradient);
  z-index: 1000;
  transition: width 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
}

/* ===== SLIDE COUNTER ===== */
#slide-counter {
  position: fixed;
  bottom: 28px;
  right: 32px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-tertiary);
  z-index: 1000;
  letter-spacing: 1px;
}

/* ===== NAV HINT ===== */
#nav-hint {
  position: fixed;
  bottom: 28px;
  left: 32px;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.5s;
}

#nav-hint .key {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  font-size: 0.7rem;
  background: rgba(255,255,255,0.05);
}

/* ===== SLIDES ===== */
.slides-wrapper {
  height: 100vh;
  width: 100vw;
  position: relative;
  overflow: hidden;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 80px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  will-change: opacity, transform;
}

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

.slide.exit-up {
  opacity: 0;
  transform: translateY(-30px);
}

/* ===== TYPOGRAPHY ===== */
.slide-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}

h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.5vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  text-align: center;
  max-width: 900px;
}

h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  text-align: center;
  max-width: 800px;
}

h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.3;
}

.subtitle {
  font-size: clamp(1rem, 1.8vw, 1.35rem);
  color: var(--text-secondary);
  text-align: center;
  max-width: 650px;
  margin-top: 16px;
  line-height: 1.7;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-2 {
  background: var(--accent-gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.slide.active .reveal {
  opacity: 1;
  transform: translateY(0);
}

.slide.active .reveal.d1 { transition-delay: 0.1s; }
.slide.active .reveal.d2 { transition-delay: 0.2s; }
.slide.active .reveal.d3 { transition-delay: 0.3s; }
.slide.active .reveal.d4 { transition-delay: 0.4s; }
.slide.active .reveal.d5 { transition-delay: 0.5s; }
.slide.active .reveal.d6 { transition-delay: 0.6s; }

/* ===== CARDS GRID ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 1100px;
  margin-top: 20px;
}

/* ===== INCOME CARD ===== */
.income-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.income-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.35s;
}

.income-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 212, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: var(--glow-blue);
}

.income-card:hover::before {
  opacity: 1;
}

.income-card .card-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
  display: block;
}

.income-card h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.income-card .card-difficulty {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.income-card .card-difficulty .stars {
  color: var(--accent-blue);
  letter-spacing: 1px;
}

.income-card .card-logic {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
}

.income-card .card-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.78rem;
}

.income-card .card-tool {
  color: var(--accent-blue);
  opacity: 0.8;
}

.income-card .card-risk {
  color: var(--text-tertiary);
}

/* ===== COMPARISON LAYOUT ===== */
.comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: center;
  width: 100%;
  max-width: 950px;
  margin-top: 32px;
}

.comparison-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.comparison-col h3 {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.comparison-divider {
  width: 2px;
  height: 200px;
  background: linear-gradient(180deg, transparent, rgba(123, 47, 255, 0.4), transparent);
}

.comparison-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--text-secondary);
}

.comparison-item .icon {
  font-size: 1.2rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  flex-shrink: 0;
}

/* ===== PRINCIPLE CARDS ===== */
.principle-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 950px;
  width: 100%;
  margin-top: 32px;
}

.principle-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
}

.principle-card .p-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.principle-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.principle-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== LADDER ===== */
.ladder {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  margin-top: 40px;
  max-width: 800px;
}

.ladder-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.ladder-bar {
  width: 100%;
  border-radius: 12px 12px 4px 4px;
  background: var(--accent-gradient);
  position: relative;
  min-height: 40px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 12px;
}

.ladder-bar .bar-label {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-heading);
}

.ladder-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.4;
}

/* ===== QUOTE SLIDE ===== */
.quote-slide {
  max-width: 800px;
  text-align: center;
}

.quote-mark {
  font-size: 4rem;
  line-height: 1;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.quote-text {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.5px;
  margin-bottom: 24px;
}

.quote-author {
  font-size: 0.95rem;
  color: var(--text-tertiary);
  font-style: italic;
}

/* ===== CATEGORY INTRO ===== */
.category-intro {
  text-align: center;
}

.category-icon {
  font-size: 4rem;
  margin-bottom: 20px;
}

.category-count {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-blue);
  padding: 6px 16px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 50px;
  margin-top: 16px;
}

/* ===== STORY SLIDE ===== */
.story-container {
  max-width: 750px;
  text-align: center;
}

.story-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 20px;
}

.story-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.story-role {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

.story-text {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 24px;
}

.story-result {
  display: inline-block;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 12px;
  padding: 16px 28px;
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

/* ===== RISK CARDS ===== */
.risk-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  width: 100%;
  margin-top: 32px;
}

.risk-card {
  background: rgba(255, 50, 50, 0.04);
  border: 1px solid rgba(255, 50, 50, 0.1);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s;
}

.risk-card:hover {
  background: rgba(255, 50, 50, 0.08);
  border-color: rgba(255, 50, 50, 0.2);
  transform: translateY(-3px);
}

.risk-card .risk-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.risk-card h3 {
  color: #ff6b6b;
  margin-bottom: 10px;
}

.risk-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== TIMELINE ===== */
.timeline {
  display: flex;
  gap: 0;
  align-items: flex-start;
  max-width: 950px;
  width: 100%;
  margin-top: 40px;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 60px;
  right: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple), var(--accent-pink));
}

.timeline-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 0 16px;
}

.timeline-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-gradient);
  margin-bottom: 20px;
  box-shadow: var(--glow-blue);
  position: relative;
  z-index: 2;
}

.timeline-step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.timeline-step p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.timeline-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 16px;
}

/* ===== CTA SECTION ===== */
.cta-container {
  text-align: center;
  max-width: 700px;
}

.cta-button {
  display: inline-block;
  padding: 20px 52px;
  background: var(--accent-gradient);
  border: none;
  border-radius: 14px;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: white;
  cursor: pointer;
  margin-top: 32px;
  text-decoration: none;
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.3), 0 0 80px rgba(123, 47, 255, 0.15);
  animation: glow-pulse 2.5s ease-in-out infinite;
  transition: transform 0.3s;
}

.cta-button:hover {
  transform: scale(1.04);
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 40px rgba(0, 212, 255, 0.3), 0 0 80px rgba(123, 47, 255, 0.15); }
  50% { box-shadow: 0 0 60px rgba(0, 212, 255, 0.45), 0 0 120px rgba(123, 47, 255, 0.25); }
}

.qr-placeholder {
  width: 160px;
  height: 160px;
  border: 2px dashed rgba(255,255,255,0.15);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 28px auto 0;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

/* ===== STAT CARDS ===== */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  width: 100%;
  margin-top: 36px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
}

.stat-card .stat-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.stat-card .stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

.stat-card .stat-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ===== VISUAL DIAGRAM ===== */
.diagram {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 36px;
}

.diagram-node {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 24px 32px;
  text-align: center;
  min-width: 140px;
}

.diagram-node h3 {
  font-size: 1.8rem;
  margin-bottom: 4px;
}

.diagram-node p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.diagram-arrow {
  font-size: 1.5rem;
  color: var(--accent-blue);
}

/* ===== BACKGROUND ELEMENTS ===== */
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: -1;
}

.bg-glow-1 {
  width: 500px;
  height: 500px;
  background: rgba(0, 212, 255, 0.06);
  top: -200px;
  right: -150px;
}

.bg-glow-2 {
  width: 400px;
  height: 400px;
  background: rgba(123, 47, 255, 0.06);
  bottom: -150px;
  left: -100px;
}

/* ===== TWO COL LAYOUT ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1000px;
  width: 100%;
}

.two-col-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.two-col-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== BAR CHART (CSS) ===== */
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 24px;
  height: 250px;
}

.bar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.bar {
  width: 60px;
  border-radius: 8px 8px 4px 4px;
  position: relative;
}

.bar-active {
  background: rgba(255, 255, 255, 0.1);
}

.bar-passive {
  background: var(--accent-gradient);
}

.bar-label-bottom {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: center;
}

/* ===== SECTION TAG ===== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.tag-digital {
  background: rgba(0, 212, 255, 0.08);
  color: var(--accent-blue);
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.tag-financial {
  background: rgba(123, 47, 255, 0.08);
  color: var(--accent-purple);
  border: 1px solid rgba(123, 47, 255, 0.15);
}

.tag-creative {
  background: rgba(255, 47, 175, 0.08);
  color: var(--accent-pink);
  border: 1px solid rgba(255, 47, 175, 0.15);
}

.tag-automated {
  background: rgba(0, 255, 136, 0.08);
  color: #00ff88;
  border: 1px solid rgba(0, 255, 136, 0.15);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .slide {
    padding: 50px 40px;
  }

  .cards-grid {
    gap: 16px;
  }

  .income-card {
    padding: 22px 18px;
  }

  .income-card h3 {
    font-size: 0.95rem;
  }

  .income-card .card-logic {
    font-size: 0.82rem;
  }

  .comparison {
    gap: 24px;
  }

  .stat-cards, .risk-cards, .principle-cards {
    gap: 16px;
  }

  .timeline::before {
    left: 30px;
    right: 30px;
  }
}

@media (max-width: 768px) {
  .slide {
    padding: 40px 24px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    gap: 12px;
  }

  .comparison {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .comparison-divider {
    width: 80%;
    height: 1px;
    margin: 0 auto;
  }

  .stat-cards, .risk-cards, .principle-cards {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .timeline {
    flex-direction: column;
    gap: 24px;
  }

  .timeline::before {
    display: none;
  }

  .ladder {
    flex-direction: row;
    align-items: flex-end;
  }

  .diagram {
    flex-wrap: wrap;
    justify-content: center;
  }

  #nav-hint {
    display: none;
  }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  display: none;
}

/* ===== SELECTION ===== */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: white;
}