* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  text-decoration: none;
  list-style: none;
  font-family: 'Poppins', sans-serif;
}
body {
  min-height: 100vh;
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid #fff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 2rem auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hidden {
  display: none !important;
}
.br-50p {
  border-radius: 50%;
}
.nav:hover {
  background: rgba(200, 200, 200, 0.8);
  transform: scale(1.05);
  transition: all 0.3s;
}
.nav:hover span {
  transition: all 0.3s;
  color: #333 !important;
}
.w-mx {
  width: 100%;
}
.link:hover {
  background-color: rgba(255, 255, 255, 0.9) !important;
  transform: scale(1.03);
  transition: all 0.3s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.link:hover div.open {
  background-color: rgba(240, 240, 240, 0.9) !important;
  transition: all 0.3s;
}
.link:hover div.open span,
.link:hover div.open i {
  color: #333 !important;
  transition: all 0.3s;
}
.nav-menu {
  transform: translateY(100%);
  transition: 0.5s;
  position: fixed;
  bottom: 0;
}
.nav-menu.active {
  display: flex !important;
  transform: translateY(0);
}
@media (min-width: 768px) {
  body {
    height: 100vh !important;
    justify-content: center;
  }
  main {
    margin: 0;
  }
  nav a {
    font-size: 1.5rem !important;
  }
  nav div span {
    font-size: 2rem !important;
  }
}