/* RESET Y ESTILOS GENERALES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background-color: #f4f7f6;
}

.main-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* CENTRADO DE LA TARJETA */
.form-section {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.card {
    background: #ffffff;
    width: 100%;
    max-width: 400px;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.card-header {
    text-align: center;
    margin-bottom: 30px;
}

.form-logo {
    height: 65px;
    margin-bottom: 15px;
}

.card-header h1 {
    font-size: 1.8rem;
    color: #1e293b;
}

/* INPUTS Y BOTÓN */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #1e293b;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    outline: none;
}

.form-group input:focus {
    border-color: #008000; /* Verde ITSSAT */
    box-shadow: 0 0 0 3px rgba(0, 128, 0, 0.1);
}

.btn-submit {
    width: 100%;
    background-color: #008000;
    color: white;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.btn-submit:hover {
    background-color: #006400;
}

/* FOOTER Y ENLACES */
.card-footer {
    margin-top: 25px;
    text-align: center;
    font-size: 0.9rem;
}

.card-footer a {
    color: #008000;
    text-decoration: none;
    font-weight: bold;
}

.back-link {
    display: block;
    margin-top: 15px;
    color: #64748b !important;
    font-weight: normal !important;
}

.site-footer {
    background-color: #004d26; /* Fondo verde oscuro */
    color: white;
    padding: 20px;
    text-align: center;
}

.green-text {
    color: #00FF00; /* Verde neón del footer */
    font-weight: bold;
}