* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #121212;
  color: #fff;
}

.loader-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #121212;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader {
  border: 6px solid #2c2c2c;
  border-top: 6px solid #00ffd5;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  animation: spin 1s linear infinite;
}

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

.loader-wrapper.hidden {
  opacity: 0;
  visibility: hidden;
}

/* ====== MAIN CONTENT ====== */
.content {
  opacity: 0;
  transition: opacity 0.6s ease 0.2s;
}

.content.loaded {
  opacity: 1;
}