/* ── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-family: "Poppins", sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--sky);
  color: var(--white);
  border-color: var(--sky);
}
.btn-primary:hover {
  background: #0099cc;
  border-color: #0099cc;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10, 179, 235, 0.35);
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
}
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-outline-white:hover {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--sky);
  border-color: transparent;
  padding-left: 0;
}
.btn-ghost::after {
  content: " →";
}
.btn-ghost:hover {
  letter-spacing: 0.04em;
}
.btn-sm {
  padding: 0.6rem 1.4rem;
  font-size: 0.82rem;
}