body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: #f8f9fa;
  font-family: 'Segoe UI', 'Arial', sans-serif;
  color: #222;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  text-align: center;
  padding: 3rem 2.5rem 2rem 2.5rem;
  background: rgba(255,255,255,0.95);
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  max-width: 600px;
  width: 90vw;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.main-img {
  width: 180px;
  max-width: 50vw;
  margin-bottom: 2rem;
  transition: transform 0.3s ease;
}

.main-img:hover {
  transform: scale(1.05);
}

h1#main-text {
  color: #a12a23;
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  word-break: break-word;
}

#subtitle-text {
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 2rem;
  line-height: 1.5;
  max-width: 500px;
}

.lang-buttons {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  margin-top: 0.5rem;
}

.lang-btn {
  background: #fff;
  border: 1.5px solid #d1d5db;
  border-radius: 50%;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border 0.2s, box-shadow 0.2s, transform 0.2s;
  padding: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.lang-btn:hover {
  transform: scale(1.1);
}

.lang-btn.selected, .lang-btn:focus {
  border: 2px solid #a12a23;
  outline: none;
}

.lang-btn img {
  width: 26px;
  height: 26px;
  border-radius: 50%;
}

.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 100;
  background: none;
  border: none;
  outline: none;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.10);
  border-radius: 50%;
  transition: transform 0.2s;
  padding: 0;
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

.whatsapp-icon {
  width: 48px;
  height: 48px;
  display: block;
}

/* Media queries para pantallas grandes */
@media (min-width: 768px) {
  .container {
    padding: 4rem 3rem 2.5rem 3rem;
    max-width: 700px;
    border-radius: 28px;
  }
  
  .main-img {
    width: 220px;
    margin-bottom: 2.5rem;
  }
  
  h1#main-text {
    font-size: 3.2rem;
    margin-bottom: 2rem;
  }
  
  #subtitle-text {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
  }
  
  .lang-btn {
    width: 46px;
    height: 46px;
  }
  
  .lang-btn img {
    width: 28px;
    height: 28px;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 5rem 4rem 3rem 4rem;
    max-width: 800px;
    border-radius: 32px;
  }
  
  .main-img {
    width: 260px;
    margin-bottom: 3rem;
  }
  
  h1#main-text {
    font-size: 3.6rem;
    margin-bottom: 2.5rem;
  }
  
  #subtitle-text {
    font-size: 1.4rem;
    margin-bottom: 3rem;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 1.5rem 1rem 1.5rem 1rem;
    max-width: 98vw;
  }
  .main-img {
    width: 120px;
    max-width: 70vw;
    margin-bottom: 1.5rem;
  }
  h1#main-text {
    font-size: 1.8rem;
    margin-bottom: 1rem;
  }
  #subtitle-text {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
  .whatsapp-icon {
    width: 42px;
    height: 42px;
  }
  .whatsapp-float {
    right: 20px;
    bottom: 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 1.2rem 0.8rem 1.2rem 0.8rem;
  }
  .main-img {
    width: 100px;
    max-width: 75vw;
  }
  h1#main-text {
    font-size: 1.5rem;
  }
  #subtitle-text {
    font-size: 0.9rem;
  }
}