/* ==========================================================================
   CONVERSIA BY DITESA — DEMOS VIDEO CAROUSEL STYLES
   - Dark Navy Background (#0A0E1F) with Radial Depth
   - Animated 30fps Monospace Binary Matrix Background
   - Mounted Pill Badge over top video border (Dot + //)
   - 16:9 Showcase Frame (approx 65% width on desktop)
   - Triple Chevron Controls (‹‹‹ / ›››) with Opacity Cascade & Hover Motion
   - Progressive Multi-Size Dots Pagination
   - Responsive & Accessible (prefers-reduced-motion)
   ========================================================================== */

:root {
  /* Editable tokens for the demos section */
  --demos-bg-navy: #0A0E1F;
  --demos-border: rgba(255, 255, 255, 0.08);
  --demos-blue-primary: #3b82f6;
  --demos-blue-glow: #38bdf8;
  --demos-pill-bg: #050b18;
  --demos-pill-orange: #f97316;
  --demos-pill-lime: #84cc16;
  --demos-ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

/* ==========================================================================
   SECTION CONTAINER & MATRIX BACKGROUND
   ========================================================================== */
.demos-section-root {
  position: relative;
  background-color: var(--demos-bg-navy);
  background-image: 
    radial-gradient(ellipse 90% 65% at 50% 35%, rgba(17, 34, 73, 0.55) 0%, rgba(10, 14, 31, 0.98) 75%),
    radial-gradient(circle at 50% 100%, rgba(3, 7, 18, 0.95), transparent 60%);
  overflow: hidden;
  padding: 6.5rem 0 5.5rem;
}

/* Binary Matrix Background Canvas Layer */
.demos-binary-backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.demos-binary-canvas {
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0.15; /* Tenue al 15% para que no ensucie la sección */
}

/* Perimeter fade mask to dissolve binary numbers smoothly */
.demos-binary-vignette {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(180deg, var(--demos-bg-navy) 0%, transparent 22%, transparent 78%, var(--demos-bg-navy) 100%),
    linear-gradient(90deg, var(--demos-bg-navy) 0%, transparent 18%, transparent 82%, var(--demos-bg-navy) 100%);
  pointer-events: none;
}

/* Foreground Container */
.demos-content-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   1. HEADER ALIGNED TO LEFT WITH TOP-RIGHT CIRCULAR CONTROLS
   ========================================================================== */
.demos-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.demos-header-left {
  max-width: 680px;
}

.demos-section-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--demos-blue-glow);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.75rem;
}

.demos-main-title {
  font-family: 'Plus Jakarta Sans', var(--font-sans);
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 0.85rem;
}

.demos-subtitle {
  font-size: 1.05rem;
  color: #94a3b8; /* Light gray */
  line-height: 1.65;
  margin: 0;
}

/* ==========================================================================
   2, 3, 4. THEATER SHOWCASE STAGE & TRIPLE CHEVRONS
   ========================================================================== */
.demos-stage-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin: 0 auto;
}

/* Triple Chevron Left & Right Buttons */
.demos-triple-chevron-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  padding: 1.25rem 0.5rem;
  z-index: 10;
  transition: transform 0.25s var(--demos-ease-out), filter 0.25s ease;
  outline: none;
}

.demos-triple-chevron-btn.prev {
  left: -20px;
}

.demos-triple-chevron-btn.next {
  right: -20px;
}

@media (min-width: 1260px) {
  .demos-triple-chevron-btn.prev {
    left: -32px;
  }
  .demos-triple-chevron-btn.next {
    right: -32px;
  }
}

/* Hover nudge animation */
.demos-triple-chevron-btn.prev:hover {
  transform: translateY(-50%) translateX(-4px);
}

.demos-triple-chevron-btn.next:hover {
  transform: translateY(-50%) translateX(4px);
}

.demos-triple-chevron-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.triple-chevron-svg {
  display: flex;
  align-items: center;
  filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.35));
}

/* Opacity gradient cascade:
   For left button (‹‹‹): outer is 0.35, middle is 0.65, innermost (nearest video) is 1.0.
   For right button (›››): innermost (nearest video) is 1.0, middle is 0.65, outer is 0.35.
*/
.chevron-faint {
  opacity: 0.35;
  stroke: #38bdf8;
  transition: opacity 0.2s ease, stroke 0.2s ease;
}

.chevron-mid {
  opacity: 0.65;
  stroke: #38bdf8;
  transition: opacity 0.2s ease, stroke 0.2s ease;
}

.chevron-bright {
  opacity: 1;
  stroke: #60a5fa;
  transition: opacity 0.2s ease, stroke 0.2s ease;
}

.demos-triple-chevron-btn:hover .chevron-faint {
  opacity: 0.6;
}

.demos-triple-chevron-btn:hover .chevron-mid {
  opacity: 0.85;
}

.demos-triple-chevron-btn:hover .chevron-bright {
  filter: drop-shadow(0 0 8px #38bdf8);
}

/* ==========================================================================
   CAROUSEL SHOWCASE STAGE & SLIDES (Expanded 1.5x for High Presence)
   ========================================================================== */
.demos-showcase-stage {
  position: relative;
  width: 90%;
  max-width: 1140px;
  min-height: auto;
  margin: 0 auto;
}

.demos-slide-item {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.97) translateX(0);
  pointer-events: none;
  transition: opacity 0.4s var(--demos-ease-out), transform 0.4s var(--demos-ease-out), visibility 0.4s var(--demos-ease-out);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.demos-slide-item.active {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: scale(1) translateX(0);
  pointer-events: auto;
  z-index: 3;
}

/* Directional slide animation classes */
.demos-slide-item.slide-in-right {
  animation: slideInRight 0.42s var(--demos-ease-out) forwards;
}

.demos-slide-item.slide-in-left {
  animation: slideInLeft 0.42s var(--demos-ease-out) forwards;
}

.demos-slide-item.slide-out-left {
  animation: slideOutLeft 0.4s var(--demos-ease-out) forwards;
}

.demos-slide-item.slide-out-right {
  animation: slideOutRight 0.4s var(--demos-ease-out) forwards;
}

@keyframes slideInRight {
  0% { opacity: 0; transform: translateX(35px) scale(0.97); }
  100% { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes slideInLeft {
  0% { opacity: 0; transform: translateX(-35px) scale(0.97); }
  100% { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes slideOutLeft {
  0% { opacity: 1; transform: translateX(0) scale(1); }
  100% { opacity: 0; transform: translateX(-35px) scale(0.97); }
}

@keyframes slideOutRight {
  0% { opacity: 1; transform: translateX(0) scale(1); }
  100% { opacity: 0; transform: translateX(35px) scale(0.97); }
}

/* 2. MOUNTED PILL BADGE OVERLAPPING TOP BORDER */
.demos-mounted-pill {
  position: relative;
  z-index: 4;
  margin-bottom: -15px; /* Overlap top border of video player */
  background: var(--demos-pill-bg);
  border: 1px solid rgba(59, 130, 246, 0.35);
  border-radius: 9999px;
  padding: 0.42rem 1.4rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  box-shadow: 
    0 10px 25px -4px rgba(0, 0, 0, 0.8),
    0 0 20px rgba(37, 99, 235, 0.25);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  user-select: none;
}

.pill-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--demos-pill-orange);
  box-shadow: 0 0 8px var(--demos-pill-orange);
  display: inline-block;
}

.pill-slash {
  color: var(--demos-pill-lime);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.pill-text {
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* 3. 16:9 REPRODUCTOR DE VIDEO CENTRADO */
.demos-video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #020617;
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 
    0 35px 80px -20px rgba(0, 0, 0, 0.95),
    0 0 50px -10px rgba(37, 99, 235, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.demos-native-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000000;
  display: block;
  outline: none;
}

/* Poster con botón play circular gris semitransparente */
.demos-play-poster {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.demos-play-poster::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(3, 7, 18, 0.45);
  backdrop-filter: blur(1.5px);
  -webkit-backdrop-filter: blur(1.5px);
}

.demos-play-poster.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.demos-play-btn {
  position: relative;
  z-index: 3;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  border: 2px solid rgba(255, 255, 255, 0.45);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.25s var(--demos-ease-out), background 0.25s ease, box-shadow 0.25s ease;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.6);
  padding-left: 4px; /* Optically center triangle */
}

.demos-play-btn:hover {
  transform: scale(1.1);
  background: rgba(255, 255, 255, 0.35);
  border-color: #ffffff;
  box-shadow: 0 16px 45px rgba(56, 189, 248, 0.45);
}

.demos-play-btn:active {
  transform: scale(0.96);
}

/* Slide Caption Below Video */
.demos-slide-caption {
  width: 100%;
  text-align: center;
  margin-top: 1.6rem;
  padding: 0 1rem;
}

.demos-caption-title {
  font-family: 'Plus Jakarta Sans', var(--font-sans);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.45rem;
  letter-spacing: -0.015em;
}

.demos-caption-desc {
  font-size: 0.95rem;
  color: #94a3b8;
  line-height: 1.6;
  max-width: 620px;
  margin: 0 auto;
}

/* ==========================================================================
   5. PROGRESSIVE MULTI-SIZE DOTS PAGINATION
   Active dot is biggest; neighboring dots scale progressively down
   ========================================================================== */
.demos-dots-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2.2rem;
  height: 24px;
}

.demo-progressive-dot {
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.25);
  transition: width 0.3s var(--demos-ease-out), height 0.3s var(--demos-ease-out), background 0.3s ease, box-shadow 0.3s ease;
  padding: 0;
  outline: none;
}

.demo-progressive-dot:hover {
  background: rgba(56, 189, 248, 0.65);
}

/* Active dot is largest (14px) with cyan glow */
.demo-progressive-dot.active {
  width: 14px;
  height: 14px;
  background: linear-gradient(135deg, #38bdf8, #2563eb);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.85);
}

/* Distance 1 (near-1: 10px) */
.demo-progressive-dot.near-1 {
  width: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.4);
}

/* Distance 2 (near-2: 7px) */
.demo-progressive-dot.near-2 {
  width: 7px;
  height: 7px;
  background: rgba(255, 255, 255, 0.25);
}

/* Distance 3+ (near-3: 5px) */
.demo-progressive-dot.near-3 {
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   RESPONSIVE DESIGN (Mobile & Tablets)
   ========================================================================== */
@media (max-width: 1024px) {
  .demos-showcase-stage {
    width: 92%;
  }
  .demos-triple-chevron-btn.prev {
    left: -10px;
  }
  .demos-triple-chevron-btn.next {
    right: -10px;
  }
}

@media (max-width: 768px) {
  .demos-section-root {
    padding: 4.5rem 0 4rem;
  }
  
  .demos-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
  }

  /* 100% width video on mobile */
  .demos-showcase-stage {
    width: 100%;
    min-height: auto;
  }

  /* Compact chevrons on mobile (visible since circular buttons are removed) */
  .demos-triple-chevron-btn {
    padding: 0.5rem 0.2rem;
    z-index: 10;
  }
  .demos-triple-chevron-btn.prev {
    left: 2px;
  }
  .demos-triple-chevron-btn.next {
    right: 2px;
  }

  .demos-mounted-pill {
    padding: 0.35rem 1rem;
    margin-bottom: -12px;
  }

  .pill-text {
    font-size: 0.7rem;
  }

  .demos-play-btn {
    width: 60px;
    height: 60px;
  }

  .demos-play-btn svg {
    width: 22px;
    height: 22px;
  }
}

/* ==========================================================================
   ACCESSIBILITY: prefers-reduced-motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .demos-slide-item,
  .demos-slide-item.active,
  .demos-slide-item.slide-in-right,
  .demos-slide-item.slide-in-left,
  .demos-slide-item.slide-out-left,
  .demos-slide-item.slide-out-right {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }

  .demos-triple-chevron-btn,
  .demo-progressive-dot {
    transition: none !important;
  }
}