/* animations.css — scroll reveals, hover, loading effects */

/* base hidden state for scroll animations */
.observe-section {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.7s cubic-bezier(0.2, 0.9, 0.3, 1), transform 0.7s ease;
  }
  .observe-section.visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* floating */
  .floating {
    animation: float 6s ease-in-out infinite;
  }
  @keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0px); }
  }
  
  /* staggered children (applied via js) */
  .stagger-item {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.5s, transform 0.5s;
  }
  .stagger-item.revealed {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* hover link underline effect */
  .nav-list a {
    position: relative;
  }
  .nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent);
    transition: width 0.2s;
  }
  .nav-list a:hover::after {
    width: 100%;
  }
  
  /* button ripple effect (simple) */
  .btn {
    position: relative;
    overflow: hidden;
  }