html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: #121212;
    color: #FFFFFF;
}

/* Navbar */
.navbar {
    background-color: #000;
}

/* Hero (imagem principal) */
.hero {
    background: url('imagens/imagempadrao.jpg') center center / cover no-repeat;
    color: white;
    min-height: 100vh; /* ocupa a tela inteira */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

/* Escurecimento da imagem */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
}

/* Degradê inferior */
.hero::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, #121212 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
}

/* Seções */
.section {
    padding: 60px 0;
}

/* Cards */
.card {
    background-color: #1E1E1E;
    border: none;
    transition: transform 0.2s ease-in-out;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
}

.card-img-top {
    height: 180px;
    object-fit: cover;
}

.card-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.btn-detalhes {
    background-color: #0057FF;
    color: white;
    border: none;
}

.btn-detalhes:hover {
    background-color: #003ecc;
}

/* Footer */
.footer {
    background-color: #000;
    padding: 20px 0;
    color: #aaa;
    text-align: center;
}

/* Áreas ocultas */
.area-oculta {
    display: none;
    margin-top: 20px;
    padding: 20px;
    border: 1px solid #ccc;
    background-color: #f5f5f5;
}

button {
    padding: 10px 20px;
    cursor: pointer;
}

.area-chave {
    display: none;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: #f8f9fa;
    margin-bottom: 15px;
}

.area-chave.ativo {
    display: block;
}

.faixa-box, .idade-box {
    display: none;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 5px;
    margin-bottom: 10px;
}

.faixa-box.ativo,
.idade-box.ativo {
    display: block;
}

.area-expandida {
    display: none;
    padding: 15px;
    background: rgba(0,0,0,0.4);
    border-radius: 8px;
    margin-bottom: 15px;
}

.area-expandida.ativo {
    display: block;
}

.area-expandida.interna {
    background: rgba(255,255,255,0.05);
}