/* ===== FONDO INSTITUCIONAL ===== */
body {
  margin: 0;
  font-family: Arial, sans-serif;

  background: 
    linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
    url('insti.jpg');

  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 100vh;
}

/* ===== HEADER ===== */
.header-institucional {
    background: #1e3a8a;
    color: white;
    width: 99vw;
    margin: 0;
    padding: 25px 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: 10px;
}

/* LOGO */
.logo-header{
    position: absolute;
    left: 60px;
    top: 50%;
    transform: translateY(-50%);
    width: 85px;
    height: 85px;
    border-radius: 50%;
    object-fit: cover;
}

/* TEXTO */
.titulo-header h2 {
    margin: 0;
    font-size: 26px;
    letter-spacing: 3px;
    font-weight: 600;
    color: white;
}

.titulo-header p {
    margin: 6px 0 0 0;
    font-size: 15px;
    opacity: 0.85;
    color: white;
}

/* CONTENEDOR */
.container {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* LOGIN */
#login {
  background: rgba(255,255,255,0.95);
  padding: 30px;
  border-radius: 15px;
  width: 300px;
  margin-top: 120px;
  text-align: center;

  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

#login h1 {
  margin-bottom: 20px;
}

/* INPUT */
#login input {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
}

/* BOTÓN */
#login button {
  width: 100%;
  padding: 10px;
  margin-top: 15px;
  border: none;
  border-radius: 8px;
  background: #1e3a8a;
  color: white;
  cursor: pointer;
  font-weight: bold;
}

#login button:hover {
  background: #162d6b;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    input {
        width: 100%;
        margin-bottom: 10px;
    }

    button {
        width: 100%;
        margin-bottom: 10px;
    }
}