* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  color: #fff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0;
}

.container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 4rem 2rem;
  margin-top: 80px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

h1 {
  margin-bottom: 1rem;
  font-size: 2.2rem;
}

p {
  color: #b0b0b0;
  margin-bottom: 2rem;
  font-size: 1rem;
  text-align: center;
}

form {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  color: #00d4ff;
  font-weight: 600;
  font-size: 0.95rem;
}

input,
textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 8px;
  background: rgba(15, 12, 41, 0.5);
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: #00d4ff;
  background: rgba(15, 12, 41, 0.8);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
}

input::placeholder,
textarea::placeholder {
  color: #888;
}

textarea {
  resize: vertical;
  min-height: 150px;
}

.btn-enviar {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(45deg, #00d4ff, #0099ff);
  border: none;
  color: white;
  font-weight: bold;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.3s;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-enviar:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 212, 255, 0.4);
}

.btn-enviar:active {
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .container {
    padding: 3rem 1rem;
    margin-top: 70px;
  }

  h1 {
    font-size: 1.8rem;
  }

  form {
    padding: 1.5rem;
  }

  .form-group {
    margin-bottom: 1.2rem;
  }

  textarea {
    min-height: 120px;
  }
}