:root {
  --color-blanco: #FFFFFF;
  --color-blanco-suave: #EFEFEF;
  --color-azul: #28306E;
  --color-gris-oscuro: #0F0F0F;
  --color-negro: #000000;
}

body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-azul), var(--color-negro));
  color: var(--color-blanco);
}

.container {
  background: rgba(181, 181, 181, 0.7);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  width: 350px;
  max-width: 90%;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.6);
  animation: fadeIn 1s ease-in-out;
}

.logo {
  width: 200px;
  height: auto;
  max-width: 80%;
  margin: 0 auto 20px;
  display: block;
}

h1 {
  margin: 10px 0 5px;
  font-size: 28px;
  letter-spacing: 1px;
  color: var(--color-blanco);
}

p {
  font-size: 14px;
  color: var(--color-blanco-suave);
  margin-bottom: 30px;
}

.link {
  display: block;
  background: var(--color-gris-oscuro);
  color: var(--color-blanco);
  text-decoration: none;
  margin: 12px 0;
  padding: 14px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

.link:hover {
  background: var(--color-azul);
  color: var(--color-blanco);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.7);
}

.footer {
  margin-top: 25px;
  font-size: 12px;
  color: var(--color-blanco-suave);
}


.review-btn {
  background: #3A5BA0;
  color: var(--color-blanco);
  font-weight: bold;
  border: 2px solid #3A5BA0;
}

.review-btn:hover {
  background: transparent;
  color: #3A5BA0;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 20px rgba(58, 91, 160, 0.6);
}


.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: var(--color-gris-oscuro);
  color: var(--color-blanco);
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  width: 300px;
  max-width: 80%;
  animation: fadeIn 0.5s ease;
}

#closeModal {
  margin-top: 15px;
  padding: 8px 16px;
  background: var(--color-azul);
  border: none;
  border-radius: 6px;
  color: var(--color-blanco);
  cursor: pointer;
  transition: 0.3s;
}

#closeModal:hover {
  background: var(--color-blanco-suave);
  color: var(--color-negro);
}

@media (max-width: 600px) {
  .container {
    padding: 25px 20px;
    width: 70%;
  }

  h1 {
    font-size: 22px;
  }

  p {
    font-size: 12px;
  }

  .link {
    font-size: 14px;
    padding: 12px;
  }

  .logo {
    max-width: 70%;
    margin-bottom: 15px;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}