/* ==========================================================================
   Paul Merchants Limited × WIGITAL AI Executive Presentation
   Two-Column One-Row Cinematic Layout Architecture
   ========================================================================== */

/* Main Presentation Outer Viewport */
#presentation-stage {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-deep-space);
  overflow: hidden;
  z-index: 1;
}

/* 16:9 Executive Canvas */
#presentation-canvas {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: calc(100vh * 16 / 9);
  max-height: 100vh;
  aspect-ratio: 16 / 9;
  background: radial-gradient(circle at 50% 50%, var(--bg-midnight) 0%, var(--bg-deep-space) 100%);
  box-shadow: 0 0 120px rgba(0, 0, 0, 0.98);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Slide Viewport */
#slides-container {
  position: relative;
  flex: 1;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* Individual Slide Frame */
.slide-item {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(1.015);
  transition: opacity var(--duration-normal) var(--ease-cinematic),
              transform var(--duration-slow) var(--ease-cinematic),
              visibility 0s linear var(--duration-normal);
  z-index: 1;
  overflow: hidden;
}

.slide-item.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1);
  transition: opacity var(--duration-normal) var(--ease-cinematic),
              transform var(--duration-slow) var(--ease-cinematic);
  z-index: 10;
}

.slide-item.prev {
  transform: scale(0.985);
}

/* ==========================================================================
   THE 2-COLUMN, 1-ROW ARCHITECTURAL GRID
   ========================================================================== */

.slide-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  width: 100%;
  height: 100%;
  padding: clamp(1.2rem, 2.5vh, 2.5rem) clamp(2.2rem, 4.5vw, 5rem);
  gap: clamp(2.2rem, 4vw, 4.8rem);
  align-items: center;
  position: relative;
  z-index: 5;
  box-sizing: border-box;
}

/* --- COLUMN 1: EDITORIAL & STRATEGIC INTELLIGENCE --- */
.col-narrative {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 620px;
  position: relative;
  z-index: 10;
}

.editorial-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--cyan-bright);
  background: rgba(14, 23, 42, 0.65);
  border: 1px solid rgba(56, 189, 248, 0.22);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
  width: fit-content;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.editorial-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--status-emerald);
  box-shadow: 0 0 12px var(--status-emerald-glow);
  animation: pulseLive 2s ease-in-out infinite;
}

.editorial-headline {
  font-family: var(--font-display);
  font-size: var(--text-title);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.028em;
  color: #FFFFFF !important;
  margin-bottom: 0.75rem;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.9);
}

.editorial-body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.65;
  letter-spacing: 0.005em;
  margin-bottom: 0.85rem;
  max-width: 580px;
}

.editorial-sub {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.55;
  margin-bottom: 0.85rem;
  border-left: 2px solid rgba(56, 189, 248, 0.4);
  padding-left: 14px;
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.04) 0%, transparent 100%);
  padding-top: 3px;
  padding-bottom: 3px;
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
}

/* Strategic Takeaway Pill */
.editorial-takeaway {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 18px;
  background: rgba(14, 23, 42, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 3px solid var(--cyan-bright);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-white);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.7), 0 0 16px rgba(56, 189, 248, 0.14);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  width: fit-content;
  transition: all var(--duration-fast) var(--ease-smooth);
}

/* Compact Height Viewport Optimization (< 750px) */
@media (max-height: 750px) {
  .slide-grid-2col {
    padding: 0.75rem clamp(1.5rem, 3.5vw, 3.5rem);
    gap: 2rem;
  }
  .editorial-eyebrow {
    margin-bottom: 0.5rem;
    padding: 3px 10px;
    font-size: 0.68rem;
  }
  .editorial-headline {
    font-size: clamp(1.4rem, 2.3vw, 2.1rem);
    margin-bottom: 0.5rem;
  }
  .editorial-body {
    font-size: 0.84rem;
    line-height: 1.5;
    margin-bottom: 0.65rem;
  }
  .editorial-sub {
    font-size: 0.78rem;
    margin-bottom: 0.65rem;
  }
  .editorial-takeaway {
    padding: 5px 14px;
    font-size: 0.68rem;
  }
}

.editorial-takeaway:hover {
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.8), 0 0 24px rgba(56, 189, 248, 0.25);
}

/* --- COLUMN 2: CINEMATIC ARTWORK FRAME --- */
.col-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 5;
}

.cinematic-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: calc(100vh - 165px);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.92),
              0 0 50px rgba(56, 189, 248, 0.1),
              inset 0 0 1px rgba(255, 255, 255, 0.3);
  background: var(--bg-surface);
}

.cinematic-viewport img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: scale(1);
  will-change: transform;
}

/* Architectural Crosshairs in Viewport Corners */
.corner-crosshair {
  position: absolute;
  width: 12px;
  height: 12px;
  pointer-events: none;
  z-index: 8;
  opacity: 0.75;
}

.corner-crosshair::before,
.corner-crosshair::after {
  content: '';
  position: absolute;
  background-color: var(--cyan-bright);
  box-shadow: 0 0 6px var(--cyan-glow);
}

.corner-crosshair.tl {
  top: 10px;
  left: 10px;
}
.corner-crosshair.tl::before { top: 0; left: 0; width: 10px; height: 1.5px; }
.corner-crosshair.tl::after { top: 0; left: 0; width: 1.5px; height: 10px; }

.corner-crosshair.tr {
  top: 10px;
  right: 10px;
}
.corner-crosshair.tr::before { top: 0; right: 0; width: 10px; height: 1.5px; }
.corner-crosshair.tr::after { top: 0; right: 0; width: 1.5px; height: 10px; }

.corner-crosshair.bl {
  bottom: 10px;
  left: 10px;
}
.corner-crosshair.bl::before { bottom: 0; left: 0; width: 10px; height: 1.5px; }
.corner-crosshair.bl::after { bottom: 0; left: 0; width: 1.5px; height: 10px; }

.corner-crosshair.br {
  bottom: 10px;
  right: 10px;
}
.corner-crosshair.br::before { bottom: 0; right: 0; width: 10px; height: 1.5px; }
.corner-crosshair.br::after { bottom: 0; right: 0; width: 1.5px; height: 10px; }

/* Viewport Metadata Stamps */
.viewport-reticle {
  position: absolute;
  top: 12px;
  left: 14px;
  z-index: 8;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(3, 7, 18, 0.75);
  padding: 3px 9px;
  border-radius: var(--radius-xs);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

.viewport-reticle-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--cyan-bright);
  box-shadow: 0 0 8px var(--cyan-bright);
}

.viewport-meta {
  position: absolute;
  bottom: 12px;
  right: 14px;
  z-index: 8;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(3, 7, 18, 0.82);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  pointer-events: none;
}

/* ==========================================================================
   SLIDE 16: STRATEGIC CONVERGENCE SPECIFIC 2-COL STYLING
   ========================================================================== */

.slide-convergence-layout .col-narrative {
  max-width: 660px;
}

.convergence-dual-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 1rem;
}

.conv-card {
  padding: 10px 12px;
  background: rgba(11, 19, 38, 0.85);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xs);
}

.conv-card.pml-card {
  border-left: 3px solid var(--blue-corporate);
}

.conv-card.wigital-card {
  border-left: 3px solid var(--cyan-bright);
}

.conv-card-title {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-white);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.conv-card-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.conv-card-item {
  font-size: 0.7rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.conv-card-item::before {
  content: '•';
  color: var(--cyan-bright);
}

.convergence-nexus-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  background: rgba(14, 27, 49, 0.9);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-xs);
  margin-bottom: 1rem;
  text-align: center;
  box-shadow: 0 0 20px var(--cyan-glow);
}

.nexus-bar-title {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--cyan-bright);
  text-transform: uppercase;
}

.nexus-bar-flow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
}

.convergence-quote-pill {
  font-size: 0.78rem;
  font-style: italic;
  color: var(--text-primary);
  background: rgba(11, 19, 38, 0.85);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  width: fit-content;
}

/* ==========================================================================
   MOBILE RESPONSIVENESS (VERTICAL STACK)
   ========================================================================== */

@media (max-width: 900px), (max-aspect-ratio: 1/1) {
  #presentation-canvas {
    max-width: 100vw;
    max-height: 100dvh;
    aspect-ratio: auto;
    box-shadow: none;
  }

  .slide-grid-2col {
    grid-template-columns: 1fr !important;
    grid-template-rows: auto 1fr;
    padding: 0.75rem 1rem 0.5rem 1rem;
    gap: 12px;
    align-items: stretch;
    height: 100%;
    overflow: hidden;
  }

  .col-visual {
    order: 1 !important;
    max-height: 35vh;
  }

  .cinematic-viewport {
    aspect-ratio: 16 / 9;
    max-height: 35vh;
  }

  .col-narrative {
    order: 2 !important;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    justify-content: flex-start;
  }

  .col-narrative::-webkit-scrollbar {
    display: none;
  }

  .editorial-headline {
    font-size: 1.35rem;
    min-height: auto;
    margin-bottom: 0.5rem;
  }

  .editorial-body {
    font-size: 0.82rem;
    line-height: 1.5;
    margin-bottom: 0.75rem;
  }

  .convergence-dual-cards {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}