/* ==========================================================================
   ALPHACARE REVENUE SOLUTIONS - SITE-WIDE ANIMATION & HOVER ENGINE
   Hardware-accelerated entrance reveals, staggered cascades,
   micro-interactions, 3D interactive card lifts, sliding nav underlines,
   smooth scrolling, and radar beacon pulses.
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Global Smooth Scrolling
   -------------------------------------------------------------------------- */
html {
  scroll-behavior: smooth;
}

/* --------------------------------------------------------------------------
   1. Scroll Entrance Engine
   -------------------------------------------------------------------------- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

/* --------------------------------------------------------------------------
   2. Staggered Delays
   -------------------------------------------------------------------------- */
.stagger-1 {
  transition-delay: 60ms;
}

.stagger-2 {
  transition-delay: 120ms;
}

.stagger-3 {
  transition-delay: 180ms;
}

.stagger-4 {
  transition-delay: 240ms;
}

.stagger-5 {
  transition-delay: 300ms;
}

.stagger-6 {
  transition-delay: 360ms;
}

/* --------------------------------------------------------------------------
   3. 3D Interactive Card Lifts & Luminous Hover Elevation
   -------------------------------------------------------------------------- */
.card-hover-lift,
.service-card-modern,
.pricing-tier-card,
.specialty-card,
.software-card,
.kpi-strip-card,
.audit-form-wrap,
.leadership-card,
.calculator-card,
.ref-card-interactive {
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.32s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.32s ease;
  will-change: transform, box-shadow;
}

.card-hover-lift:hover,
.service-card-modern:hover,
.pricing-tier-card:hover,
.specialty-card:hover,
.software-card:hover,
.kpi-strip-card:hover,
.ref-card-interactive:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px -10px rgba(11, 19, 43, 0.12),
              0 8px 16px -6px rgba(0, 168, 89, 0.08);
  border-color: rgba(0, 168, 89, 0.45);
}

/* --------------------------------------------------------------------------
   4. Button Micro-Interactions (Hover Lift & Active Press)
   -------------------------------------------------------------------------- */
.btn,
.btn-primary,
.btn-secondary,
.btn-navy,
.btn-white-pill,
.nav-cta,
.tier-btn,
.service-btn {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.2s ease,
              border-color 0.2s ease;
}

.btn-primary:hover,
.btn-navy:hover,
.btn-white-pill:hover,
.nav-cta:hover,
.tier-btn-primary:hover,
.service-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -5px rgba(0, 168, 89, 0.35);
}

.btn:active,
.btn-primary:active,
.btn-secondary:active,
.btn-navy:active,
.btn-white-pill:active,
.nav-cta:active,
.tier-btn:active,
.service-btn:active {
  transform: scale(0.98);
}

/* Button Shimmer Sweep Effect */
.btn-shimmer {
  position: relative;
  overflow: hidden;
}

.btn-shimmer::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(
    60deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.25) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: rotate(25deg);
  transition: transform 0.75s ease;
}

.btn-shimmer:hover::after {
  transform: translateX(450%) rotate(25deg);
}

/* --------------------------------------------------------------------------
   5. Interactive Navigation Link Sliding Underline
   -------------------------------------------------------------------------- */
.nav-links > li > a,
.nav-menu > li > a {
  position: relative;
  transition: color 0.25s ease;
}

.nav-links > li > a::after,
.nav-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #0284C7;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 2px;
}

.nav-links > li > a:hover::after,
.nav-links > li > a.active::after,
.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after {
  width: 100%;
}

/* --------------------------------------------------------------------------
   6. Table Row Hover Highlight
   -------------------------------------------------------------------------- */
.pricing-comparison-table tbody tr {
  transition: background-color 0.2s ease;
}

.pricing-comparison-table tbody tr:hover {
  background-color: #F0FDF4; /* subtle emerald tint */
}

/* --------------------------------------------------------------------------
   7. Austin HQ Radar Beacon Pulse
   -------------------------------------------------------------------------- */
.radar-beacon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.radar-beacon::before,
.radar-beacon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #06B6D4;
  opacity: 0.6;
  animation: radar-pulse 2.4s cubic-bezier(0.25, 1, 0.5, 1) infinite;
}

.radar-beacon::after {
  animation-delay: 1.2s;
}

@keyframes radar-pulse {
  0% {
    transform: scale(0.9);
    opacity: 0.75;
  }
  70% {
    transform: scale(2.8);
    opacity: 0;
  }
  100% {
    transform: scale(3.2);
    opacity: 0;
  }
}

/* --------------------------------------------------------------------------
   8. Tab & Accordion Smooth Fluidity
   -------------------------------------------------------------------------- */
.tab-content-panel {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.tab-content-panel.active {
  animation: tabFadeSlide 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes tabFadeSlide {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --------------------------------------------------------------------------
   9. Accessibility: Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }

  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .stagger-1,
  .stagger-2,
  .stagger-3,
  .stagger-4,
  .stagger-5,
  .stagger-6 {
    transition-delay: 0ms !important;
  }

  .card-hover-lift:hover,
  .service-card-modern:hover,
  .pricing-tier-card:hover,
  .specialty-card:hover,
  .software-card:hover,
  .kpi-strip-card:hover,
  .ref-card-interactive:hover,
  .btn-primary:hover,
  .btn-navy:hover,
  .btn-white-pill:hover,
  .nav-cta:hover,
  .tier-btn-primary:hover,
  .service-btn:hover {
    transform: none !important;
  }

  .btn:active,
  .btn-primary:active,
  .btn-secondary:active,
  .btn-navy:active,
  .btn-white-pill:active,
  .nav-cta:active,
  .tier-btn:active,
  .service-btn:active {
    transform: none !important;
  }

  .nav-links a::after,
  .nav-menu a::after {
    transition: none !important;
  }

  .radar-beacon::before,
  .radar-beacon::after {
    animation: none !important;
  }

  .btn-shimmer::after {
    display: none !important;
  }
}