:root {
  --color-verde: #1a6b3b;
  --color-rojo: #d9252c;
  --color-naranja: #f38a1c;
  --color-azul: #27678d;
  --color-negro: #111111;
  --color-gris-fondo: #f4f6f9;
  --color-blanco: #ffffff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--color-gris-fondo);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.container {
  background: var(--color-blanco);
  width: 100%;
  max-width: 500px;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-top: 5px solid var(--color-azul);
}

.logo-header {
  text-align: center;
  margin-bottom: 20px;
}

.logo-header h1 {
  color: var(--color-negro);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 1px;
}

.logo-header span {
  color: var(--color-verde);
  font-size: 14px;
  display: block;
  font-weight: 600;
}

.trial-badge {
  background: #e8f5e9;
  color: var(--color-verde);
  border: 1px solid var(--color-verde);
  text-align: center;
  padding: 10px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  color: var(--color-negro);
  font-weight: 600;
  font-size: 14px;
}

/* Estilos compartidos para input, select y textarea */
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 14px;
  background-color: var(--color-blanco);
  color: var(--color-negro);
  transition:
    border-color 0.3s,
    box-shadow 0.3s;
}

/* Estilo específico para el menú desplegable (select) */
.form-group select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%2327678d%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right 12px top 50%;
  background-size: 12px auto;
  cursor: pointer;
  padding-right: 35px;
}

.form-group select:invalid {
  color: #757575;
}

.form-group select option {
  color: var(--color-negro);
  padding: 10px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-azul);
  box-shadow: 0 0 0 3px rgba(39, 103, 141, 0.15);
}

.btn-submit {
  width: 100%;
  padding: 14px;
  background-color: var(--color-verde);
  color: var(--color-blanco);
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-submit:hover {
  background-color: #134f2b;
}

.alert {
  padding: 12px;
  border-radius: 6px;
  margin-bottom: 15px;
  font-size: 14px;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
}

.alert-danger {
  background-color: #f8d7da;
  color: var(--color-rojo);
}