/* ==========================================================================
   U PROJECT UG – Modern Hardware-Accelerated Animations & Micro-Interactions
   ========================================================================== */

.reveal-fade-up {
  opacity: 0;
  transform: translateY(28px) scale(0.985);
  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-fade-up.is-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Stagger Delays */
.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }
.delay-4 { transition-delay: 0.32s; }
.delay-5 { transition-delay: 0.40s; }
.delay-6 { transition-delay: 0.48s; }

/* Ambient Pulse & Floating */
@keyframes ambientPulse {
  0%, 100% {
    opacity: 0.45;
    transform: translateX(-50%) scale(1);
  }
  50% {
    opacity: 0.85;
    transform: translateX(-50%) scale(1.06);
  }
}

.ambient-pulse {
  animation: ambientPulse 8s ease-in-out infinite;
}

@keyframes floatSubtle {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
}

.float-card {
  animation: floatSubtle 6s ease-in-out infinite;
}

/* Gold Shimmer Effect on Primary Buttons */
.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 50%;
  height: 200%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.32) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: rotate(25deg);
  transition: left 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.btn-primary:hover::after {
  left: 130%;
}

/* Card Spotlight Hover Border Effect */
.service-card::before,
.usp-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(
    450px circle at var(--mouse-x, 50%) var(--mouse-y, 0%),
    rgba(243, 193, 120, 0.35),
    transparent 60%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.service-card:hover::before,
.usp-card:hover::after {
  opacity: 1;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal-fade-up {
    opacity: 1 !important;
    transform: none !important;
  }
}