/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    color: #333;
    overflow-x: hidden;
}

/* Logo */
.logo-img {
    max-width: 280px;
    width: 100%;
    height: auto;
    background-color: transparent;
    border-radius: 0;
    box-shadow: none;
    margin-bottom: 0;
}

/* Títulos e textos */
h1.h4 {
    margin-bottom: 0.25rem;
}

p.text-muted {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

/* Formulário */
.bg-white {
    background-color: #ffffff;
}

form .btn {
    font-weight: 500;
}

/* Responsividade */
@media (max-width: 768px) {
    .logo-img {
        max-width: 220px;
        margin-bottom: 1rem;
    }

    h1.h4 {
        font-size: 1.2rem;
        text-align: center;
    }

    p.text-muted {
        text-align: center;
        font-size: 0.9rem;
    }

    .text-md-start {
        text-align: center !important;
    }
}

.logo {
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
}

.logo.loaded {
    opacity: 1;
}