/* ==========================================================================
   Animations & Micro-interactions
   ========================================================================== */

/* Keyframe animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes floatSlightly {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes pulseGoldGlow {
  0%, 100% {
    box-shadow: 0 0 10px rgba(196, 164, 124, 0.3);
  }
  50% {
    box-shadow: 0 0 25px rgba(196, 164, 124, 0.6);
  }
}

/* Scroll reveal helper classes */
.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);
}

/* Stagger delays */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }

/* Subtle float effect on hero 3d logo */
.floating-element {
  animation: floatSlightly 5s ease-in-out infinite;
}

/* Tab indicator sliding spring effect */
.tab-sliding-pill {
  transition: left 0.38s cubic-bezier(0.2, 0.9, 0.3, 1.2), width 0.32s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

/* Responsive mobile drawer */
.mobile-nav-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: rgba(12, 13, 15, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: translateY(-120%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 999;
}

.mobile-nav-drawer.open {
  transform: translateY(0);
}

.mobile-tab-item {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #C5CBD4;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-tab-item.active,
.mobile-tab-item:hover {
  color: var(--color-gold-primary);
  padding-left: 8px;
}