/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* FUNDO */
body {
    height: 100vh;
    background: linear-gradient(135deg, #0c4a6e, #1e3a8a);
    display: flex;
    justify-content: center;
    align-items: center;
}

/* CARD PRINCIPAL */
.container {
    background: #ffffff;
    padding: 50px 40px;
    border-radius: 20px;
    width: 380px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: aparecer 0.6s ease;

    /* NOVO: efeito leve */
    border: 1px solid rgba(0,0,0,0.05);
}

/* ANIMAÇÃO */
@keyframes aparecer {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* TÍTULO */
h1 {
    font-size: 28px;
    color: #1e3a8a;
    margin-bottom: 8px;
}

/* SUBTEXTO */
p {
    color: #64748b;
    margin-bottom: 30px;
    font-size: 15px;
}

/* BOTÕES */
.botoes {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* BOTÃO BASE */
.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;

    /* NOVO: sombra suave */
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

/* HOVER */
.btn:hover {
    transform: translateY(-3px) scale(1.01);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.5);
}

/* CLICK */
.btn:active {
    transform: scale(0.97);
}

/* BOTÃO SECUNDÁRIO */
.btn-secundario {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    box-shadow: 0 5px 15px rgba(14, 165, 233, 0.3);
}

.btn-secundario:hover {
    box-shadow: 0 10px 25px rgba(14, 165, 233, 0.5);
}

/* HEADER (caso use depois) */
.header {
    margin-bottom: 20px;
}

.logo {
    font-size: 42px;
    margin-bottom: 10px;
}

/* RESPONSIVO */
@media (max-width: 420px) {
    .container {
        width: 90%;
        padding: 30px 20px;
    }

    h1 {
        font-size: 22px;
    }

    .btn {
        font-size: 14px;
        padding: 12px;
    }
}