.logo {
  font-size: 25px;
  font-weight: bold;
  color: black;
  text-decoration: none;
}
.logo:hover {
  opacity: 0.8;
}
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f4f4;
}
header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 15px 40px;
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

}
.contenedor {
  min-height: calc(100vh - 80px); /* resta altura del header */
  display: flex;
  justify-content: center;
  align-items: center;
}
.registro {
  background: white;
  padding: 30px;
  width: 360px;
  border-radius: 15px;
  box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}
.registro input {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid #ccc;
}
.registro button {
  width: 100%;
  padding: 14px;
  border-radius: 30px;
  border: none;
  background: black;
  color: white;
  font-size: 16px;
  cursor: pointer;
}
main {
  min-height: calc(100vh - 90px); 
  display: flex;
  justify-content: center;
  align-items: center;
}
.registro {
  width: 360px;
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}