/* =====================================================
   Vision Pipeline – Animated Process Flow
   Inspired by v4c.ai horizontal stage animation
   ===================================================== */

/* --- Container --- */
.vp {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  padding: var(--space-12) 0 var(--space-10);
}

.vp__header {
  text-align: center;
  margin-bottom: var(--space-10);
  position: relative;
  z-index: 2;
}

/* --- Stage Wrapper --- */
.vp__stages {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-5);
  position: relative;
  z-index: 2;
}

/* --- Timeline bar --- */
.vp__timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
  z-index: 2;
}

.vp__timeline::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 5%;
  width: 90%;
  height: 2px;
  background: rgba(255,255,255,0.08);
  z-index: 0;
}

.vp__timeline-progress {
  position: absolute;
  top: 20px;
  left: 5%;
  width: 0%;
  max-width: 90%;
  height: 2px;
  background: var(--gradient-accent);
  z-index: 1;
  transition: width 1.8s cubic-bezier(.4, 0, .2, 1);
}

/* --- Stage Card (visual above the timeline) --- */
.vp__card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  /* initial hidden state */
  opacity: 0;
  transform: translateY(40px) scale(0.95);
  transition: opacity 0.7s cubic-bezier(.4,0,.2,1), 
              transform 0.7s cubic-bezier(.4,0,.2,1),
              border-color 0.4s ease,
              box-shadow 0.4s ease;
}

.vp__card.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  border-color: rgba(247,148,29,0.28);
  box-shadow: 0 0 40px rgba(247,148,29,0.09), inset 0 1px 0 rgba(255,255,255,0.05);
}

.vp__card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(247,148,29,0.07), transparent 70%);
  opacity: 0;
  transition: opacity 0.6s ease;
}

.vp__card.active::before {
  opacity: 1;
}

/* --- Card Internals --- */

/* Animated camera viewfinder for Stage 1 */
.vp__viewfinder {
  width: 120px; height: 90px;
  border: 2px solid rgba(247,148,29,0.5);
  border-radius: var(--radius-md);
  position: relative;
  display: flex; align-items: center; justify-content: center;
}

.vp__viewfinder-crosshair {
  position: absolute;
  width: 30px; height: 30px;
  border: 1.5px solid var(--color-accent);
  border-radius: 2px;
  opacity: 0;
  animation: none;
}

.vp__card.active .vp__viewfinder-crosshair {
  animation: vpScanMove 3s ease-in-out infinite;
  opacity: 1;
}

@keyframes vpScanMove {
  0%   { transform: translate(-20px, -15px); }
  25%  { transform: translate(20px, -10px); }
  50%  { transform: translate(15px, 15px); }
  75%  { transform: translate(-15px, 10px); }
  100% { transform: translate(-20px, -15px); }
}

.vp__scan-line {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
}

.vp__card.active .vp__scan-line {
  animation: vpScanLine 2.5s ease-in-out infinite;
  opacity: 1;
}

@keyframes vpScanLine {
  0%   { top: 0; opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { top: calc(100% - 2px); opacity: 0; }
}

.vp__capture-label {
  font-size: var(--fs-small);
  color: var(--color-accent);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.05em;
  margin-top: var(--space-3);
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.5s 0.3s ease;
}

.vp__card.active .vp__capture-label {
  opacity: 1;
  transform: translateY(0);
}

/* Stage 2: Defect markers floating */
.vp__defect-grid {
  width: 120px; height: 90px;
  position: relative;
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
}

.vp__defect-marker {
  position: absolute;
  width: 22px;  height: 22px;
  border: 2px solid;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700;
  opacity: 0;
  transform: scale(0);
  transition: all 0.4s cubic-bezier(.34,1.56,.64,1);
}

.vp__defect-marker--fail {
  border-color: var(--color-error);
  color: var(--color-error);
  background: rgba(239,68,68,0.1);
}

.vp__defect-marker--pass {
  border-color: var(--color-success);
  color: var(--color-success);
  background: rgba(16,185,129,0.1);
}

.vp__card.active .vp__defect-marker {
  opacity: 1;
  transform: scale(1);
}

.vp__card.active .vp__defect-marker:nth-child(1) { transition-delay: 0.2s; }
.vp__card.active .vp__defect-marker:nth-child(2) { transition-delay: 0.45s; }
.vp__card.active .vp__defect-marker:nth-child(3) { transition-delay: 0.7s; }
.vp__card.active .vp__defect-marker:nth-child(4) { transition-delay: 0.95s; }

/* Stage 3: Analysis bars */
.vp__analysis-bars {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 140px;
}

.vp__analysis-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.vp__analysis-label {
  font-size: 10px;
  color: var(--color-text-light);
  white-space: nowrap;
  width: 50px;
  text-align: right;
}

.vp__analysis-track {
  flex: 1;
  height: 8px;
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
  overflow: hidden;
}

.vp__analysis-fill {
  height: 100%;
  border-radius: 4px;
  width: 0%;
  transition: width 1.2s cubic-bezier(.4,0,.2,1);
}

.vp__card.active .vp__analysis-fill { width: var(--fill-w, 80%); }
.vp__card.active .vp__analysis-fill:nth-child(1) { transition-delay: 0.2s; }

.vp__analysis-pct {
  font-size: 10px;
  color: var(--color-accent);
  font-weight: var(--fw-semibold);
  min-width: 28px;
  opacity: 0;
  transition: opacity 0.5s 1s ease;
}

.vp__card.active .vp__analysis-pct { opacity: 1; }

/* Stage 4: Mini dashboard */
.vp__dashboard {
  width: 100%;
  max-width: 150px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.vp__dash-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  background: rgba(247,148,29,0.1);
  border-radius: var(--radius-sm);
  font-size: 10px;
  color: var(--color-accent);
  font-weight: var(--fw-semibold);
}

.vp__dash-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.vp__dash-stat {
  padding: 6px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.04);
  text-align: center;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.4s ease;
}

.vp__card.active .vp__dash-stat { opacity: 1; transform: translateY(0); }
.vp__card.active .vp__dash-stat:nth-child(1) { transition-delay: 0.2s; }
.vp__card.active .vp__dash-stat:nth-child(2) { transition-delay: 0.35s; }
.vp__card.active .vp__dash-stat:nth-child(3) { transition-delay: 0.5s; }
.vp__card.active .vp__dash-stat:nth-child(4) { transition-delay: 0.65s; }

.vp__dash-stat-num {
  font-size: 14px;
  font-weight: var(--fw-bold);
  color: var(--color-white);
  line-height: 1;
}

.vp__dash-stat-label {
  font-size: 8px;
  color: var(--color-text-light);
  margin-top: 2px;
}

/* Mini chart line drawing */
.vp__mini-chart {
  width: 100%;
  height: 32px;
  margin-top: 4px;
}

.vp__mini-chart path {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  transition: stroke-dashoffset 1.5s 0.4s ease;
}

.vp__card.active .vp__mini-chart path {
  stroke-dashoffset: 0;
}

/* Stage 5: Prediction cards */
.vp__predictions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  max-width: 150px;
}

.vp__pred-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.06);
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.5s ease;
}

.vp__card.active .vp__pred-card { opacity: 1; transform: translateX(0); }
.vp__card.active .vp__pred-card:nth-child(1) { transition-delay: 0.15s; }
.vp__card.active .vp__pred-card:nth-child(2) { transition-delay: 0.35s; }
.vp__card.active .vp__pred-card:nth-child(3) { transition-delay: 0.55s; }

.vp__pred-icon {
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.vp__pred-text {
  font-size: 10px;
  color: var(--color-text-light);
  line-height: 1.3;
}

.vp__pred-text strong {
  color: var(--color-white);
  font-weight: var(--fw-semibold);
  display: block;
  font-size: 11px;
}

/* --- Timeline Label --- */
.vp__step {
  text-align: center;
  position: relative;
  z-index: 2;
}

.vp__step-dot {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  border: 2px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-3);
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  color: var(--color-text-light);
  transition: all 0.5s ease;
}

.vp__step.active .vp__step-dot {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 0 20px rgba(247,148,29,0.42);
}

.vp__step-title {
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-light);
  transition: color 0.4s ease;
}

.vp__step.active .vp__step-title {
  color: var(--color-white);
}

/* --- Ambient Background --- */
.vp__ambient {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.vp__ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.08;
}

.vp__ambient-orb--1 {
  width: 400px; height: 400px;
  background: var(--color-accent);
  top: -100px; left: -100px;
}

.vp__ambient-orb--2 {
  width: 300px; height: 300px;
  background: var(--color-accent-orange);
  bottom: -80px; right: -60px;
  opacity: 0.05;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .vp__stages,
  .vp__timeline {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-3);
  }
  .vp__card {
    min-height: 180px;
    padding: var(--space-3);
  }
}

@media (max-width: 768px) {
  .vp__stages {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .vp__timeline {
    display: none;
  }
  .vp__card {
    min-height: 160px;
    flex-direction: row;
    gap: var(--space-4);
    padding: var(--space-5);
  }
  /* Show inline step labels on mobile */
  .vp__card::after {
    position: absolute;
    top: var(--space-2);
    left: var(--space-3);
    font-size: 10px;
    color: var(--color-accent);
    font-weight: var(--fw-bold);
    letter-spacing: 0.1em;
  }
  .vp__card:nth-child(1)::after { content: 'STEP 01'; }
  .vp__card:nth-child(2)::after { content: 'STEP 02'; }
  .vp__card:nth-child(3)::after { content: 'STEP 03'; }
  .vp__card:nth-child(4)::after { content: 'STEP 04'; }
  .vp__card:nth-child(5)::after { content: 'STEP 05'; }

  /* On mobile, reveal all cards since there's no horizontal */
  .vp__card {
    opacity: 0;
    transform: translateY(30px) scale(0.98);
  }
  .vp__card.active {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}