/* ======================================= */
/* ESTILOS GERAIS */
/* ======================================= */
body {
    font-family: Arial, sans-serif;
    background: #2a2a2a; /* fundo escuro moderno */
    margin: 0;
    padding: 0;
    color: #f0f0f0; /* texto claro e visível */
}

/* ======================================= */
/* HEADER */
/* ======================================= */
header {
    text-align: center;
    padding: 25px;
    background: linear-gradient(90deg, #b80000, #8b0000);
    color: white;
    box-shadow: 0 0 12px rgba(0,0,0,0.5);
}

header h1 {
    margin-bottom: 5px;
}

main {
    width: 90%;
    max-width: 900px;
    margin: 25px auto;
}

/* ======================================= */
/* SEÇÕES E CARTÕES INTERNOS */
/* ======================================= */
section {
    background: rgba(255, 255, 255, 0.06);
    padding: 20px;
    border-radius: 14px;
    margin-bottom: 25px;
    backdrop-filter: blur(4px);
    box-shadow: 0 0 12px rgba(0,0,0,0.4);
}

h2 {
    color: #ff4b4b;
    text-align: center;
}

/* ======================================= */
/* IMAGEM DO KIT */
/* ======================================= */
.premios-detalhes-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center; /* 🔥 centraliza tudo */
    align-items: center;
}

.foto-detalhes-layout {
    width: 260px;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(255, 80, 80, 0.6);
}

/* ======================================= */
/* LISTA DO KIT */
.premio ul li {
    margin-bottom: 10px;
    font-size: 16px;
    color: #fff;
}

/* ======================================= */
/* BOTÃO WHATSAPP */
#btn-whatsapp {
    margin-top: 15px;
    width: 100%;
    padding: 15px;
    border: none;
    background: #25D366;
    color: white;
    font-size: 18px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

#btn-whatsapp:disabled {
    background: #6d6d6d;
    cursor: not-allowed;
}

/* ======================================= */
/* GRADE RIFA */
#grid-rifa {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

#grid-rifa div {
    padding: 10px;
    background: #ffffff10;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
    border: 1px solid #ff4b4b55;
    font-weight: bold;
}

.numero-disponivel:hover {
    background: #ff4b4b55;
}

.numero-selecionado {
    background: #ff4b4b;
    color: white;
}

.numero-vendido {
    background: #4caf50;
    color: white;
    cursor: not-allowed;
}

/* ======================================= */
/* RESPONSIVIDADE */
@media (max-width: 600px) {
    #grid-rifa {
        grid-template-columns: repeat(4, 1fr);
    }

    .foto-detalhes-layout {
        width: 220px;
    }
}