.btn-github {
  cursor: pointer;
  display: flex;
  gap: 0.5rem;
  border: none;

  transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
  border-radius: 100px;
  font-weight: 800;
  place-content: center;

  padding: 0.75rem 1rem;
  font-size: 0.825rem;
  line-height: 1rem;

  background-color: rgba(0, 0, 0, 0.4);
  box-shadow:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.04),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  color: #fff;
}

.btn-github {
  margin: 20px auto;   /* centers horizontally */
  display: inline-flex; /* keeps SVG + text aligned */
}


.btn-github:hover {
  box-shadow:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.08),
    inset 0 0 0 1px rgba(252, 232, 3, 0.08);
  color: #fce803;
  transform: translate(0, -0.25rem);
  background-color: rgba(0, 0, 0, 0.5);
}

.columns {
  display: flex;
  gap: 20px;               /* space between left and right */
  justify-content: center; /* center the whole thing */
  margin: 30px auto;
  max-width: 900px;        /* keeps it neat */
}

.column {
  flex: 1;                       /* equal width */
  background-color: rgba(0,0,0,0.4);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

@media (max-width: 700px) {
  .columns {
    flex-direction: column;
  }
}