#back3 {

    position: relative;
    width: 100%;
    height: 50vh;
}

#back3-content {
    opacity: 0;
    transition: opacity 0.8s ease;
}

#back3-content.show {
    opacity: 1;
}

#back3::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-image: url(fundoAdocao.jpg);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    filter: brightness(105%);
    z-index: -1;
    color: rgba(255, 255, 255, 0.315);
    color: rgba(0, 0, 0, 0.514);
    color: rgb(179, 178, 178);

}

/* ===================== Paleta AcolhePET ===================== */
:root {
    --roxo: #4E2096;
    --roxo-escuro: #3a1770;
    --verde: #49A971;
    --creme: #FBF9F7;
    --cinza-texto: #7A736B;
    --sombra-roxa: rgba(83, 29, 134, .3);
}

body {
    background-color: var(--creme);
}

/* ===================== Títulos de seção ===================== */
.secao-titulo {
    font-family: 'Ultra', 'sans-serif';
    color: var(--roxo);
    text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.515);
}

.secao-subtitulo {
    font-family: 'Open Sans', sans-serif;
    color: var(--cinza-texto);
    max-width: 640px;
    margin: 0 auto;
}

.linha-destaque {
    width: 70px;
    height: 5px;
    border-radius: 5px;
    background-color: var(--verde);
    margin: 12px auto 0;
}

/* ===================== Cards de pet ===================== */
.card-pet {
    width: 16rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 3px 3px 10px -2px var(--sombra-roxa);
    transition: transform .25s ease, box-shadow .25s ease;
    background-color: #fff;
}

.card-pet:hover {
    transform: translateY(-6px);
    box-shadow: 6px 10px 18px -4px var(--sombra-roxa);
}

.card-pet .img-wrap {
    height: 250px;
    overflow: hidden;
}

.card-pet .img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}

.card-pet:hover .img-wrap img {
    transform: scale(1.06);
}

.badge-status {
    position: absolute;
    top: 12px;
    left: 12px;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    color: #fff;
}

.badge-desaparecido {
    background-color: var(--roxo);
}

.badge-encontrado {
    background-color: var(--verde);
}

/* ===================== Como funciona ===================== */
.passo-icone {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(78, 32, 150, 0.08);
    color: var(--roxo);
    font-size: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
}

/* ===================== Dicas / conscientização ===================== */
.dica-card {
    background-color: #fff;
    border-radius: 14px;
    padding: 28px;
    height: 100%;
    box-shadow: 2px 4px 12px -4px var(--sombra-roxa);
    transition: transform .25s ease;
    border-top: 4px solid var(--verde);
}

.dica-card:hover {
    transform: translateY(-5px);
}

.dica-icone {
    font-size: 32px;
    color: var(--verde);
    margin-bottom: 12px;
}

/* ===================== Faixa de estatísticas ===================== */
.faixa-stats {
    background-color: var(--roxo);
    color: #fff;
}

.stat-numero {
    font-family: 'Ultra', 'sans-serif';
    font-size: 40px;
    line-height: 1;
}

/* ===================== CTA ===================== */
.cta-box {
    background: linear-gradient(135deg, var(--roxo) 0%, var(--roxo-escuro) 100%);
    border-radius: 18px;
    color: #fff;
}

/* ===================== Footer ===================== */
.footer-acolhe {
    background-color: var(--roxo-escuro);
    color: rgba(255, 255, 255, 0.85);
}

.footer-acolhe a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: color .2s ease;
}

.footer-acolhe a:hover {
    color: var(--verde);
}

.footer-social {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: background-color .2s ease;
}

.footer-social:hover {
    background-color: var(--verde);
    color: #fff;
}