/* ==========================================================================
   BLIMP MEDIA — RESTRAINED ANIMATIONS & INTERACTION EFFECTS
   ========================================================================== */

/* Fade-in & Slide-up reveal */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delay classes */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }

/* Subtle pulse for diagnostic dots */
@keyframes signalPulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(37, 99, 235, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
  }
}

.status-dot-pulse {
  width: 8px;
  height: 8px;
  background-color: var(--accent-blue-bright);
  border-radius: 50%;
  display: inline-block;
  animation: signalPulse 2s infinite ease-in-out;
}

/* Subtle architectural line sweep */
@keyframes lineSweep {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.hairline-shimmer {
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(37, 99, 235, 0.5) 50%, 
    transparent 100%
  );
  background-size: 200% 100%;
  animation: lineSweep 4s infinite linear;
}

/* Accordion transition */
.service-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  opacity: 0;
}

.service-accordion-content.expanded {
  max-height: 600px;
  opacity: 1;
}

/* Hover lift on interactive cards */
.interactive-card-hover {
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.interactive-card-hover:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  box-shadow: var(--glow-card);
}