/* ===== INTRO SMART HOME ===== */
.intro {
  min-height: 100vh;
  background: radial-gradient(circle at top, #0b1020, #020617);
  display: flex;
  justify-content: center;
  align-items: center;
}

.intro-card {
  background: rgba(2, 6, 23, 0.75);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 28px;
  padding: 50px 45px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 0 45px rgba(56,189,248,0.25);
  animation: introFade 1.2s ease;
}

/* LOGO */
.intro-logo {
  width: 90px;
  height: 90px;
  border-radius: 22px;
  margin-bottom: 20px;
  object-fit: contain;
}

/* TITULO */
.intro h1 {
  font-size: 2rem;
  letter-spacing: 3px;
  color: #38bdf8;
  margin-bottom: 10px;
}

/* DESCRIPCIÓN */
.intro p {
  font-size: 0.9rem;
  color: #94a3b8;
  margin-bottom: 35px;
}

/* BOTÓN */
.btn-enter {
  display: inline-block;
  padding: 14px 40px;
  border-radius: 30px;
  background: linear-gradient(90deg, #38bdf8, #22c55e);
  color: #020617;
  font-weight: bold;
  letter-spacing: 1px;
  text-decoration: none;
  box-shadow: 0 0 25px rgba(56,189,248,0.6);
  transition: all .3s ease;
}

.btn-enter:hover {
  transform: scale(1.08);
  box-shadow: 0 0 40px rgba(34,197,94,0.9);
}

/* ANIMACIÓN */
@keyframes introFade {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (max-width: 600px) {
  #intro {
    padding: 30px 20px;
    text-align: center;
  }

  .enter-btn {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
  }
}