body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f7f8fa;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 900px;
  margin: 30px auto;
  background: #fff;
  padding: 30px 40px;
  border-radius: 12px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.07);
}

.logo {
  max-width: 200px;
  margin-bottom: 10px;
}

h1 {
  font-size: 24px;
  color: #333;
  margin-bottom: 25px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-grid div {
  display: flex;
  flex-direction: column;
}

label {
  margin-bottom: 5px;
  font-weight: 600;
}

input,
select,
textarea {
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 14px;
  transition: border 0.3s;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #4b83f5;
  outline: none;
}

textarea {
  resize: vertical;
  min-height: 60px;
}

.submit-btn {
  text-align: center;
  margin-top: 30px;
}

button {
  background-color: #4b83f5;
  color: white;
  border: none;
  padding: 12px 25px;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background-color: #365ecf;
}
.secondary-btn {
  margin-top: 20px;
  text-align: center;
}
.secondary-btn a {
  display: inline-block;
  padding: 10px 20px;
  background-color: #333;
  color: #fff;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
}
.secondary-btn a:hover {
  background-color: #000;
}

/* contenedor centrado y fluido */
.container{
  max-width:900px;      /* se ve compacto en desktop         */
  margin:0 auto;
  padding:1rem;
}

/* logo adaptativo */
.logo{
  width:160px;          /* desktop */
  height:auto;
}

@media(max-width:600px){
  .logo{ width:120px; } /* móvil   */
}

/* grid flexible: 1-4 columnas según ancho */
.form-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:1rem 1.2rem;
}

/* inputs full-width */
.form-grid input,
.form-grid select,
.form-grid textarea{
  width:100%;
  padding:.45rem .6rem;
  border:1px solid #ccc;
  border-radius:4px;
  font-size:15px;
  box-sizing:border-box;
}
.form-grid textarea{ min-height:60px; resize:vertical; }
.form-grid label{ font-weight:600; display:block; margin-bottom:4px; }