/* ==========================================================================
   Keyframe Animations — Minimal & Precise
   ========================================================================== */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes scrollIndicator {
  0% { opacity: 0.6; transform: translateY(0); }
  50% { opacity: 0; transform: translateY(8px); }
  100% { opacity: 0; transform: translateY(8px); }
}

/* ==========================================================================
   GSAP Reveal Utility Classes
   Elements start hidden and are revealed by GSAP ScrollTrigger
   ========================================================================== */

.gs-reveal {
  opacity: 0;
  transform: translateY(25px);
  will-change: opacity, transform;
}

.gs-reveal-left {
  opacity: 0;
  transform: translateX(-35px);
  will-change: opacity, transform;
}

.gs-reveal-right {
  opacity: 0;
  transform: translateX(35px);
  will-change: opacity, transform;
}

.gs-reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  will-change: opacity, transform;
}

.gs-stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  will-change: opacity, transform;
}

/* ==========================================================================
   CSS Transition Utilities
   ========================================================================== */

.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(255,255,255,0.08);
}

/* Gradient text — white to gray for monochrome */
.gradient-text {
  background: linear-gradient(135deg, #fff 0%, #888 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}