/* ============================================
   MINING PPT — INDUSTRIAL DESIGN SYSTEM
   Palette: Deep Charcoal + Iron-Ore Amber
   Fonts: Outfit (display + body)
   ============================================ */

:root {
  --bg-deep:      #0E0E0E;
  --bg-dark:      #161616;
  --bg-card:      #1E1E1E;
  --bg-card2:     #252525;
  --border:       #2E2E2E;
  --border-light: #3A3A3A;
  --amber:        #E8820C;
  --amber-light:  #FFB347;
  --amber-glow:   rgba(232, 130, 12, 0.15);
  --amber-glow2:  rgba(232, 130, 12, 0.08);
  --orange:       #FF6B2B;
  --white:        #F5F0EB;
  --white-dim:    #A8A09A;
  --white-faint:  #5A5550;
  --green:        #2ECC71;
  --red:          #E74C3C;
  --blue:         #3498DB;
  --teal:         #1ABC9C;
  --purple:       #9B59B6;
  --yellow:       #F1C40F;
  --font: 'Outfit', sans-serif;
  --mono: 'Space Mono', monospace;
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  font-family: var(--font);
  color: var(--white);
}

/* ============ CANVAS PARTICLES ============ */
#particleCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ============ PROGRESS BAR ============ */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--amber-light));
  z-index: 100;
  transition: width 0.4s ease;
  box-shadow: 0 0 12px var(--amber);
}

/* ============ SLIDE COUNTER ============ */
.slide-counter {
  position: fixed;
  bottom: 28px; right: 80px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--white-faint);
  letter-spacing: 2px;
  z-index: 100;
}

/* ============ NAV BUTTONS ============ */
.nav-btn {
  position: fixed;
  top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px;
  background: rgba(30,30,30,0.8);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  color: var(--white-dim);
  cursor: pointer;
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
}
.nav-btn svg { width: 18px; height: 18px; }
.nav-btn:hover {
  background: var(--amber-glow);
  border-color: var(--amber);
  color: var(--amber);
  box-shadow: 0 0 16px var(--amber-glow);
}
.nav-prev { left: 16px; }
.nav-next { right: 16px; }
.nav-btn:disabled { opacity: 0.2; cursor: default; }

/* ============ SLIDE DOTS ============ */
.slide-dots {
  position: fixed;
  bottom: 24px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 6px;
  z-index: 100;
}
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--white-faint);
  cursor: pointer;
  transition: all 0.3s ease;
}
.dot.active {
  background: var(--amber);
  width: 20px;
  border-radius: 3px;
  box-shadow: 0 0 8px var(--amber);
}

/* ============ SLIDES CONTAINER ============ */
.slides-container {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
}

/* ============ BASE SLIDE ============ */
.slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  padding: 0;
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
  overflow: hidden;
}
.slide.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: all;
}
.slide.exit-left {
  opacity: 0;
  transform: translateX(-60px);
}

/* ============ SLIDE HEADER ============ */
.slide-header {
  padding: 28px 60px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-shrink: 0;
  background: linear-gradient(180deg, rgba(14,14,14,0.95) 0%, transparent 100%);
}
.slide-num-tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--amber);
  background: var(--amber-glow);
  border: 1px solid var(--amber);
  padding: 3px 10px;
  border-radius: 2px;
  letter-spacing: 1px;
  flex-shrink: 0;
}
.slide-title-text {
  font-size: clamp(20px, 2.8vw, 32px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}
.slide-subtitle-text {
  font-size: clamp(11px, 1.2vw, 14px);
  color: var(--white-dim);
  font-weight: 400;
  margin-left: auto;
  flex-shrink: 0;
}

/* ============ SLIDE BODY ============ */
.slide-body {
  flex: 1;
  padding: 20px 60px 50px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ============================================
   SLIDE 1 — TITLE
   ============================================ */
.slide-title {
  background: var(--bg-deep);
  justify-content: center;
  align-items: center;
}
.slide-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(232,130,12,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(255,107,43,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.title-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 40px;
}
.title-badge {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--amber);
  background: var(--amber-glow);
  border: 1px solid rgba(232,130,12,0.3);
  display: inline-block;
  padding: 5px 16px;
  border-radius: 2px;
  margin-bottom: 24px;
}
.main-title {
  font-size: clamp(52px, 9vw, 110px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -3px;
  margin-bottom: 20px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.title-ai   { color: var(--amber); text-shadow: 0 0 40px rgba(232,130,12,0.5); }
.title-amp  { color: var(--white-faint); font-size: 0.5em; }
.title-iot  { color: var(--amber-light); text-shadow: 0 0 40px rgba(255,179,71,0.4); }
.title-in   { color: var(--white-faint); font-size: 0.4em; font-weight: 300; }
.title-mining { color: var(--white); }

.title-divider {
  width: 80px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  margin: 16px auto;
}
.title-subtitle {
  font-size: clamp(13px, 1.6vw, 18px);
  color: var(--white-dim);
  font-weight: 500;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.title-quote {
  font-size: clamp(11px, 1.1vw, 13px);
  color: var(--white-faint);
  font-style: italic;
  max-width: 600px;
  margin: 0 auto 28px;
  line-height: 1.6;
}
.title-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: rgba(30,30,30,0.6);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.stat-item {
  padding: 14px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.stat-num {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 800;
  color: var(--amber);
}
.stat-label {
  font-size: 10px;
  color: var(--white-faint);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-light);
}
.ore-graphic {
  position: absolute;
  right: -60px; top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}
.ore-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(232,130,12,0.2);
}
.ore-circle.c1 { width: 400px; height: 400px; top: -200px; right: 0; animation: orePulse 4s ease-in-out infinite; }
.ore-circle.c2 { width: 280px; height: 280px; top: -140px; right: 60px; animation: orePulse 4s ease-in-out infinite 1s; border-color: rgba(232,130,12,0.15); }
.ore-circle.c3 { width: 160px; height: 160px; top: -80px; right: 120px; animation: orePulse 4s ease-in-out infinite 2s; border-color: rgba(232,130,12,0.3); }
@keyframes orePulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.05); opacity: 1; }
}

/* ============================================
   SLIDE 2 — REGION
   ============================================ */
.two-col {
  flex-direction: row !important;
  gap: 32px;
  align-items: stretch;
}
.col-left { flex: 0 0 340px; }
.col-right { flex: 1; display: flex; flex-direction: column; gap: 16px; }

.region-map-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.map-visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, #0E0E0E 0%, #1A1A1A 100%);
  position: relative;
}
.map-odisha {
  width: 220px; height: 220px;
  background: linear-gradient(135deg, #1E2A1E 0%, #162016 100%);
  border: 1px solid #2A3A2A;
  border-radius: 40% 60% 55% 45% / 45% 40% 60% 55%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.map-label {
  font-family: var(--mono);
  font-size: 9px;
  color: rgba(255,255,255,0.2);
  letter-spacing: 3px;
}
.map-dot {
  position: absolute;
  width: 10px; height: 10px;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--amber);
  cursor: default;
}
.map-dot span {
  position: absolute;
  left: 14px; top: -4px;
  font-size: 9px;
  color: var(--amber-light);
  white-space: nowrap;
  font-weight: 600;
}
.map-dot.d1 { top: 30%; left: 55%; }
.map-dot.d2 { top: 45%; left: 30%; }
.map-dot.d3 { top: 35%; left: 20%; }
.map-dot.d4 { top: 25%; left: 65%; }
.map-belt {
  position: absolute;
  width: 3px; height: 80px;
  background: linear-gradient(180deg, var(--amber), var(--orange));
  top: 20%; left: 40%;
  border-radius: 2px;
  opacity: 0.6;
  transform: rotate(15deg);
}
.map-legend {
  padding: 12px 16px;
  display: flex;
  gap: 16px;
  border-top: 1px solid var(--border);
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--white-dim);
}
.legend-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}
.legend-dot.amber { background: var(--amber); }
.legend-dot.orange { background: var(--orange); }

.info-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  transition: border-color 0.2s;
}
.info-card:hover { border-color: var(--amber); }
.info-icon { font-size: 20px; flex-shrink: 0; }
.info-text { display: flex; flex-direction: column; gap: 3px; }
.info-text strong { font-size: 12px; color: var(--white); font-weight: 700; }
.info-text span { font-size: 11px; color: var(--white-dim); line-height: 1.4; }

.hemm-row {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.hemm-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 1px;
  flex-shrink: 0;
}
.hemm-items {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.hemm-items span {
  background: var(--amber-glow2);
  border: 1px solid rgba(232,130,12,0.2);
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 11px;
  color: var(--amber-light);
}

/* ============================================
   SLIDE 3 — PROBLEMS
   ============================================ */
.three-col-problems {
  flex-direction: row !important;
  gap: 16px;
  align-items: stretch;
}
.problem-column {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.problem-col-header {
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.5px;
}
.problem-col-header svg { width: 18px; height: 18px; flex-shrink: 0; }
.problem-col-header.operational { background: rgba(232,130,12,0.15); color: var(--amber); border-bottom: 1px solid rgba(232,130,12,0.3); }
.problem-col-header.safety { background: rgba(231,76,60,0.15); color: #E74C3C; border-bottom: 1px solid rgba(231,76,60,0.3); }
.problem-col-header.environmental { background: rgba(46,204,113,0.12); color: #2ECC71; border-bottom: 1px solid rgba(46,204,113,0.25); }

.problem-list {
  list-style: none;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.problem-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(11px, 1.1vw, 13px);
  color: var(--white-dim);
  line-height: 1.4;
}
.prob-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.prob-dot.op { background: var(--amber); }
.prob-dot.sa { background: #E74C3C; }
.prob-dot.en { background: #2ECC71; }

/* ============================================
   SLIDE 4 — AI
   ============================================ */
.ai-definition-box {
  background: linear-gradient(135deg, rgba(232,130,12,0.1) 0%, rgba(255,107,43,0.05) 100%);
  border: 1px solid rgba(232,130,12,0.3);
  border-radius: 6px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.ai-def-icon { font-size: 32px; flex-shrink: 0; }
.ai-definition-box p { font-size: clamp(12px, 1.2vw, 14px); color: var(--white-dim); line-height: 1.6; }
.ai-definition-box strong { color: var(--amber-light); }

.ai-use-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  flex: 1;
}
.ai-use-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.2s ease;
}
.ai-use-card:hover {
  border-color: var(--amber);
  background: var(--bg-card2);
  transform: translateY(-2px);
}
.ai-use-icon { font-size: 24px; }
.ai-use-card strong { font-size: 13px; color: var(--white); font-weight: 700; }
.ai-use-card span { font-size: 11px; color: var(--white-dim); line-height: 1.4; }

/* ============================================
   SLIDE 5 — IoT
   ============================================ */
.iot-layout { gap: 16px; }
.iot-definition {
  background: rgba(52,152,219,0.08);
  border: 1px solid rgba(52,152,219,0.25);
  border-radius: 6px;
  padding: 14px 20px;
  font-size: clamp(12px, 1.2vw, 14px);
  color: var(--white-dim);
  line-height: 1.6;
  flex-shrink: 0;
}
.iot-definition strong { color: #5DADE2; }

.iot-flow {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px 20px;
  flex-shrink: 0;
  overflow-x: auto;
}
.iot-flow-item {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}
.iot-device {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  background: var(--bg-card2);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  min-width: 110px;
  text-align: center;
}
.iot-device.iot-cloud {
  background: rgba(232,130,12,0.1);
  border-color: rgba(232,130,12,0.4);
}
.iot-emoji { font-size: 22px; }
.iot-device strong { font-size: 11px; color: var(--white); font-weight: 700; }
.iot-device small { font-size: 10px; color: var(--white-faint); }
.iot-arrow {
  font-size: 18px;
  color: var(--amber);
  padding: 0 8px;
  flex-shrink: 0;
}

.iot-devices-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  flex: 1;
}
.iot-dev-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  transition: all 0.2s;
}
.iot-dev-card:hover { border-color: var(--amber); background: var(--bg-card2); }
.iot-dev-card span { font-size: 24px; }
.iot-dev-card p { font-size: 11px; color: var(--white-dim); line-height: 1.3; }

/* ============================================
   SLIDE 6 — DUMPER
   ============================================ */
.dumper-layout {
  flex-direction: row !important;
  gap: 32px;
  align-items: stretch;
}
.dumper-visual {
  flex: 0 0 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dumper-truck {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.truck-body {
  background: var(--bg-card);
  border: 2px solid var(--amber);
  border-radius: 8px;
  padding: 24px 32px;
  text-align: center;
  box-shadow: 0 0 30px rgba(232,130,12,0.2);
}
.truck-cabin { font-size: 64px; line-height: 1; }
.truck-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 2px;
  margin-top: 8px;
}
.sensor-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  max-width: 280px;
}
.sensor-tag {
  background: var(--amber-glow);
  border: 1px solid rgba(232,130,12,0.3);
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 10px;
  color: var(--amber-light);
  font-weight: 600;
  animation: sensorPulse 2s ease-in-out infinite;
}
.sensor-tag:nth-child(2) { animation-delay: 0.3s; }
.sensor-tag:nth-child(3) { animation-delay: 0.6s; }
.sensor-tag:nth-child(4) { animation-delay: 0.9s; }
.sensor-tag:nth-child(5) { animation-delay: 1.2s; }
.sensor-tag:nth-child(6) { animation-delay: 1.5s; }
@keyframes sensorPulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; box-shadow: 0 0 8px rgba(232,130,12,0.3); }
}

.dumper-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
}
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.feature-card {
  border-radius: 6px;
  padding: 12px 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  border: 1px solid transparent;
  transition: all 0.2s;
}
.feature-card:hover { transform: translateX(4px); }
.fc-amber { background: rgba(232,130,12,0.08); border-color: rgba(232,130,12,0.2); }
.fc-orange { background: rgba(255,107,43,0.08); border-color: rgba(255,107,43,0.2); }
.fc-icon { font-size: 20px; flex-shrink: 0; }
.fc-content { display: flex; flex-direction: column; gap: 3px; }
.fc-content strong { font-size: 12px; color: var(--white); font-weight: 700; }
.fc-content span { font-size: 11px; color: var(--white-dim); line-height: 1.4; }

/* ============================================
   SLIDE 7 — MAINTENANCE
   ============================================ */
.maintenance-layout {
  flex-direction: row !important;
  gap: 32px;
  align-items: stretch;
}
.maintenance-flow {
  flex: 0 0 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.maint-step {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 14px 16px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.2s;
}
.maint-step:hover { border-color: var(--amber); }
.ms-icon { font-size: 22px; }
.maint-step strong { font-size: 13px; color: var(--white); font-weight: 700; }
.maint-step span { font-size: 11px; color: var(--white-dim); line-height: 1.4; }
.ms1 { border-left: 3px solid var(--blue); }
.ms2 { border-left: 3px solid var(--amber); }
.ms3 { border-left: 3px solid var(--yellow); }
.ms4 { border-left: 3px solid var(--green); }
.maint-arrow {
  color: var(--amber);
  font-size: 16px;
  padding: 4px 0;
  opacity: 0.6;
}

.maintenance-benefits {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
}
.maint-benefit-title {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.maint-benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.mb-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: center;
  transition: all 0.2s;
}
.mb-card:hover { border-color: var(--amber); background: var(--bg-card2); }
.mb-num {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
  color: var(--amber);
}
.mb-label {
  font-size: 11px;
  color: var(--white-dim);
  font-weight: 500;
}
.maint-local-note {
  background: rgba(46,204,113,0.08);
  border: 1px solid rgba(46,204,113,0.2);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 12px;
  color: var(--white-dim);
  display: flex;
  align-items: center;
  gap: 10px;
}
.maint-local-note span { font-size: 18px; }

/* ============================================
   SLIDE 8 — BLASTING
   ============================================ */
.blasting-layout {
  flex-direction: row !important;
  gap: 32px;
  align-items: stretch;
}
.blast-visual {
  flex: 0 0 260px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bench-diagram {
  width: 220px;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.bench-layer {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--border-light);
  position: relative;
}
.bench-layer span {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--white-faint);
  letter-spacing: 1px;
}
.bl1 { background: linear-gradient(135deg, #2A1A0A, #1E1208); border-color: rgba(232,130,12,0.4); }
.bl2 { background: linear-gradient(135deg, #221508, #1A1006); border-color: rgba(232,130,12,0.25); }
.bl3 { background: linear-gradient(135deg, #1A1005, #120C04); border-color: rgba(232,130,12,0.15); }
.drill-holes { display: flex; gap: 12px; padding: 4px 0; }
.drill-hole {
  width: 8px; height: 24px;
  background: linear-gradient(180deg, var(--amber), var(--orange));
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(232,130,12,0.5);
  animation: drillPulse 1.5s ease-in-out infinite;
}
.drill-hole:nth-child(2) { animation-delay: 0.3s; }
.drill-hole:nth-child(3) { animation-delay: 0.6s; }
.drill-hole:nth-child(4) { animation-delay: 0.9s; }
.drill-hole:nth-child(5) { animation-delay: 1.2s; }
@keyframes drillPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; box-shadow: 0 0 14px rgba(232,130,12,0.8); }
}
.blast-label {
  text-align: center;
  font-size: 10px;
  color: var(--amber);
  font-family: var(--mono);
  letter-spacing: 1px;
  margin-top: 8px;
}

.blast-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
}
.blast-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: all 0.2s;
}
.blast-card:hover { border-color: var(--amber); background: var(--bg-card2); }
.blast-icon { font-size: 24px; flex-shrink: 0; }
.blast-info { display: flex; flex-direction: column; gap: 4px; }
.blast-info strong { font-size: 13px; color: var(--white); font-weight: 700; }
.blast-info p { font-size: 11px; color: var(--white-dim); line-height: 1.4; }

/* ============================================
   SLIDE 9 — SAFETY
   ============================================ */
.safety-layout { gap: 16px; }
.safety-zones {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  flex-shrink: 0;
}
.zone-card {
  border-radius: 6px;
  padding: 14px;
  border: 1px solid transparent;
}
.zone-title {
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.zone-features {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.zone-features span { font-size: 11px; color: var(--white-dim); }
.zc-loading { background: rgba(232,130,12,0.08); border-color: rgba(232,130,12,0.25); }
.zc-loading .zone-title { color: var(--amber); }
.zc-haul { background: rgba(52,152,219,0.08); border-color: rgba(52,152,219,0.25); }
.zc-haul .zone-title { color: #5DADE2; }
.zc-crusher { background: rgba(231,76,60,0.08); border-color: rgba(231,76,60,0.25); }
.zc-crusher .zone-title { color: #E74C3C; }
.zc-workshop { background: rgba(46,204,113,0.08); border-color: rgba(46,204,113,0.25); }
.zc-workshop .zone-title { color: #2ECC71; }

.safety-tech-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  flex: 1;
}
.safety-tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.2s;
}
.safety-tech-card:hover { border-color: var(--amber); }
.stc-icon { font-size: 28px; }
.safety-tech-card strong { font-size: 12px; color: var(--white); font-weight: 700; }
.safety-tech-card p { font-size: 11px; color: var(--white-dim); line-height: 1.4; }

/* ============================================
   SLIDE 10 — ENVIRONMENT
   ============================================ */
.env-layout { gap: 16px; }
.env-sensors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  flex: 1;
}
.env-sensor-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.2s;
  position: relative;
}
.env-sensor-card:hover { border-color: var(--amber); background: var(--bg-card2); }
.esc-icon { font-size: 28px; }
.env-sensor-card strong { font-size: 13px; color: var(--white); font-weight: 700; }
.env-sensor-card p { font-size: 11px; color: var(--white-dim); line-height: 1.4; flex: 1; }
.esc-compliance {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--green);
  background: rgba(46,204,113,0.1);
  border: 1px solid rgba(46,204,113,0.25);
  padding: 3px 8px;
  border-radius: 2px;
  align-self: flex-start;
  letter-spacing: 1px;
}

.compliance-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  flex-shrink: 0;
  flex-wrap: wrap;
}
.compliance-bar span {
  font-size: 11px;
  color: var(--white-faint);
  font-family: var(--mono);
  letter-spacing: 1px;
}
.comp-badge {
  background: rgba(46,204,113,0.1);
  border: 1px solid rgba(46,204,113,0.3);
  color: var(--green);
  padding: 4px 12px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
}

/* ============================================
   SLIDE 11 — CONTROL ROOM
   ============================================ */
.control-layout {
  flex-direction: row !important;
  gap: 32px;
  align-items: stretch;
}
.control-room-visual {
  flex: 0 0 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dashboard-mockup {
  width: 100%;
  background: #0A0A0A;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(232,130,12,0.1);
}
.dash-header {
  background: #111;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.dash-title {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--amber);
  letter-spacing: 2px;
}
.dash-live {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--green);
  animation: liveBlink 1.5s ease-in-out infinite;
}
@keyframes liveBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.dash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
}
.dash-widget {
  background: #111;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.dw-label {
  font-size: 9px;
  color: var(--white-faint);
  font-family: var(--mono);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.dw-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
}
.dw-value span { font-size: 11px; color: var(--white-faint); font-weight: 400; margin-left: 4px; }
.dw-value.dw-alert { color: var(--red); }
.dw-bar {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.dw-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber), var(--amber-light));
  border-radius: 2px;
  transition: width 1s ease;
}
.dw-fill-red { background: linear-gradient(90deg, var(--red), #FF6B6B); }
.dw-fill-yellow { background: linear-gradient(90deg, var(--yellow), #F7DC6F); }

.control-benefits {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
}
.ctrl-benefit {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.2s;
}
.ctrl-benefit:hover { border-color: var(--amber); }
.cb-icon { font-size: 24px; flex-shrink: 0; }
.ctrl-benefit strong { font-size: 13px; color: var(--white); font-weight: 700; display: block; margin-bottom: 4px; }
.ctrl-benefit p { font-size: 11px; color: var(--white-dim); line-height: 1.4; }

/* ============================================
   SLIDE 12 — FUTURE
   ============================================ */
.future-layout {
  flex-direction: row !important;
  gap: 32px;
  align-items: stretch;
}
.future-timeline {
  flex: 0 0 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
}
.timeline-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
}
.ti-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
  border: 2px solid var(--amber);
}
.ti-now .ti-dot { background: var(--amber); box-shadow: 0 0 12px var(--amber); }
.ti-near .ti-dot { background: var(--amber-glow); }
.ti-future .ti-dot { background: transparent; border-style: dashed; }
.ti-content { display: flex; flex-direction: column; gap: 4px; }
.ti-year {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 2px;
}
.ti-content strong { font-size: 14px; color: var(--white); font-weight: 700; }
.ti-content p { font-size: 11px; color: var(--white-dim); line-height: 1.4; }
.timeline-line {
  width: 2px; height: 24px;
  background: linear-gradient(180deg, var(--amber), rgba(232,130,12,0.2));
  margin-left: 6px;
}

.future-tech-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  align-content: center;
}
.ftg-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
  transition: all 0.2s;
}
.ftg-card:hover {
  border-color: var(--amber);
  background: var(--bg-card2);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(232,130,12,0.1);
}
.ftg-card span { font-size: 32px; }
.ftg-card strong { font-size: 13px; color: var(--white); font-weight: 700; }
.ftg-card p { font-size: 11px; color: var(--white-dim); line-height: 1.3; }

/* ============================================
   SLIDE 13 — BENEFITS
   ============================================ */
.benefits-layout { }
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  flex: 1;
}
.benefit-card {
  border-radius: 6px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid transparent;
  transition: all 0.2s;
}
.benefit-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.bc-icon { font-size: 28px; }
.benefit-card strong { font-size: 13px; font-weight: 700; }
.benefit-card p { font-size: 11px; line-height: 1.4; opacity: 0.8; }
.bc-green   { background: rgba(46,204,113,0.1);  border-color: rgba(46,204,113,0.25);  }
.bc-green strong { color: #2ECC71; }
.bc-amber   { background: rgba(232,130,12,0.1);  border-color: rgba(232,130,12,0.25);  }
.bc-amber strong { color: var(--amber); }
.bc-blue    { background: rgba(52,152,219,0.1);  border-color: rgba(52,152,219,0.25);  }
.bc-blue strong { color: #5DADE2; }
.bc-red     { background: rgba(231,76,60,0.1);   border-color: rgba(231,76,60,0.25);   }
.bc-red strong { color: #E74C3C; }
.bc-teal    { background: rgba(26,188,156,0.1);  border-color: rgba(26,188,156,0.25);  }
.bc-teal strong { color: #1ABC9C; }
.bc-purple  { background: rgba(155,89,182,0.1);  border-color: rgba(155,89,182,0.25);  }
.bc-purple strong { color: #9B59B6; }
.bc-orange  { background: rgba(255,107,43,0.1);  border-color: rgba(255,107,43,0.25);  }
.bc-orange strong { color: var(--orange); }
.bc-indigo  { background: rgba(100,120,200,0.1); border-color: rgba(100,120,200,0.25); }
.bc-indigo strong { color: #7F8FD4; }

/* ============================================
   SLIDE 14 — CONCLUSION
   ============================================ */
.conclusion-layout {
  flex-direction: row !important;
  gap: 32px;
  align-items: stretch;
}
.challenges-col {
  flex: 0 0 340px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.challenges-title {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--yellow);
  letter-spacing: 2px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.challenge-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: all 0.2s;
}
.challenge-item:hover { border-color: var(--yellow); }
.ch-icon { font-size: 20px; flex-shrink: 0; }
.challenge-item strong { font-size: 12px; color: var(--white); font-weight: 700; display: block; margin-bottom: 3px; }
.challenge-item p { font-size: 11px; color: var(--white-dim); line-height: 1.4; }

.conclusion-col {
  flex: 1;
  display: flex;
  align-items: center;
}
.conclusion-box {
  background: linear-gradient(135deg, rgba(232,130,12,0.08) 0%, rgba(255,107,43,0.04) 100%);
  border: 1px solid rgba(232,130,12,0.3);
  border-radius: 8px;
  padding: 28px 32px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.conclusion-icon { font-size: 36px; }
.conclusion-box h3 {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
  color: var(--white);
}
.conclusion-box > p {
  font-size: 13px;
  color: var(--white-dim);
  line-height: 1.6;
}
.conclusion-box strong { color: var(--amber-light); }
.conclusion-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.conclusion-list li {
  font-size: 13px;
  color: var(--white-dim);
  padding: 6px 10px;
  background: rgba(46,204,113,0.06);
  border-radius: 4px;
  border-left: 2px solid var(--green);
}
.final-quote {
  background: rgba(232,130,12,0.1);
  border-left: 3px solid var(--amber);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--white-dim);
  font-style: italic;
  line-height: 1.6;
  border-radius: 0 4px 4px 0;
}
.final-quote span { color: var(--amber-light); font-weight: 700; font-style: normal; }

/* ============ KEYBOARD HINT ============ */
.keyboard-hint {
  position: fixed;
  bottom: 28px;
  left: 60px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--white-faint);
  letter-spacing: 1px;
  z-index: 100;
}
.keyboard-hint kbd {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 10px;
}

/* ============ FULLSCREEN BUTTON ============ */
.fullscreen-btn {
  position: fixed;
  top: 16px; right: 16px;
  background: rgba(30,30,30,0.8);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  color: var(--white-dim);
  cursor: pointer;
  z-index: 100;
  padding: 8px 12px;
  font-size: 11px;
  font-family: var(--mono);
  letter-spacing: 1px;
  transition: all 0.2s;
  backdrop-filter: blur(8px);
}
.fullscreen-btn:hover {
  border-color: var(--amber);
  color: var(--amber);
}