/* Custom styles & animations */

  html {
    scroll-behavior: smooth;
  }

  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  /* Scroll-triggered fade-in */
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }

  /* Navbar scroll state */
  #navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
  }

  /* Stagger children animations */
  .stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
  .stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
  .stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
  .stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
  .stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
  .stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }

  /* Selection color */
  ::selection {
    background: #99f6e4;
    color: #134e4a;
  }

  /* Focus visible */
  :focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #f1f5f9;
  }
  ::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
  }

  /* Mobile menu animation */
  #mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

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

  /* Floating card animation */
  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
  }

  .float-animation {
    animation: float 4s ease-in-out infinite;
  }

  /* Image hover zoom wrapper */
  .img-zoom {
    overflow: hidden;
  }

  .img-zoom img {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .img-zoom:hover img {
    transform: scale(1.05);
  }

  /* Subtle gradient border on cards */
  .gradient-border {
    position: relative;
    background: white;
    border-radius: 1.5rem;
  }

  .gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1.5rem;
    padding: 1px;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.2), rgba(148, 163, 184, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
  }