* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', system-ui, sans-serif;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at bottom, #0d1b2a 0%, #000 65%);
  color: #fff;
  display: flex;
  justify-content: center;
}

/* CONTENEDOR GENERAL */
.container {
  width: 100%;
  max-width: 1200px;
  text-align: center;
  padding: 100px 24px 80px;
}

/* LOGO */
.logo {
  font-size: 4rem;
  letter-spacing: 8px;
  margin-bottom: 24px;
  text-shadow: 0 0 35px #00e5ff;
}

/* SUBTITULO */
.subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  opacity: 0.9;
  margin-bottom: 110px;
}

/* SALAS */
.salas {
  display: flex;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
  margin-bottom: 90px;
}

/* CARD */
.sala-card {
  width: 300px;
  padding: 46px 32px;
  border-radius: 24px;
  background: linear-gradient(180deg, #111, #0b1a2a);
  box-shadow:
    0 0 25px rgba(0, 200, 255, 0.25),
    inset 0 0 40px rgba(255,255,255,0.03);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sala-card:hover {
  transform: translateY(-12px);
  box-shadow:
    0 0 45px rgba(0, 200, 255, 0.6),
    inset 0 0 50px rgba(255,255,255,0.05);
}

/* TITULO SALA */
.sala-card h3 {
  font-size: 1.55rem;
  margin-bottom: 16px;
}

/* TEXTO */
.sala-card p {
  font-size: 0.95rem;
  opacity: 0.85;
  line-height: 1.6;
  margin-bottom: 34px;
}

/* BOTONES */
.sala-card button {
  border: none;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  background: linear-gradient(135deg, #00c6ff, #d500f9);
  color: #fff;
  box-shadow: 0 0 22px rgba(213, 0, 249, 0.45);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.sala-card button:hover {
  transform: scale(1.08);
  box-shadow: 0 0 38px rgba(213, 0, 249, 0.8);
}

/* +18 */
.sala-card.premium button {
  background: linear-gradient(135deg, #ff1744, #ff9100);
  box-shadow: 0 0 22px rgba(255, 23, 68, 0.5);
}

/* FOOTER */
.footer {
  font-size: 0.85rem;
  opacity: 0.75;
  letter-spacing: 0.6px;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .salas {
    gap: 45px;
  }

  .logo {
    font-size: 3.1rem;
  }

  .subtitle {
    margin-bottom: 80px;
  }
}