:root {
    --cor-fundo-inicio: #0A1E2D;
    --cor-fundo-fim: #040B12;
    --cor-texto: #EAEFF3;
    --cor-azul: #1F6FFF;
    --cor-azul-claro: #52A3FF;
    --borda-suave: 1px solid rgba(255, 255, 255, 0.08);
    --raio-card: 10px;
    --raio-controle: 8px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    font-size: 16px;
    background: var(--cor-fundo-fim);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        linear-gradient(135deg, rgba(31, 111, 255, 0.06), transparent 34%),
        radial-gradient(circle at top, var(--cor-fundo-inicio), var(--cor-fundo-fim) 72%);
    background-attachment: fixed, fixed;
    background-color: var(--cor-fundo-fim);
    background-repeat: no-repeat;
    background-size: 100vw 100vh, 100vw 100vh;
    color: var(--cor-texto);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.pagina-modulo {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 24px;
}

.modulo-card {
    width: min(100%, 760px);
    padding: 32px;
    border: 1px solid rgba(31, 111, 255, 0.18);
    border-radius: var(--raio-card);
    background: rgba(27, 31, 35, 0.68);
    text-align: center;
}

.etiqueta {
    display: inline-flex;
    margin-bottom: 12px;
    padding: 7px 9px;
    border: 1px solid rgba(31, 111, 255, 0.3);
    border-radius: var(--raio-controle);
    background: rgba(31, 111, 255, 0.08);
    color: var(--cor-texto);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.05em;
}

h1 {
    margin: 0 0 10px;
    font-size: clamp(1.8rem, 4vw, 3rem);
    line-height: 1.05;
}

p {
    max-width: 58ch;
    margin: 0 auto;
    color: rgba(234, 239, 243, 0.72);
    font-size: 1rem;
    line-height: 1.6;
}

.acoes {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 28px;
}

.botao {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 180px;
    min-height: 44px;
    padding: 11px 16px;
    border: 1px solid rgba(31, 111, 255, 0.45);
    border-radius: var(--raio-controle);
    color: #9ECBFF;
    font-size: 0.86rem;
    font-weight: 800;
    text-decoration: none;
}

.botao.principal {
    background: linear-gradient(90deg, var(--cor-azul), #3d86ff);
    color: #02121D;
}

.botao:hover,
.botao:focus-visible {
    border-color: rgba(82, 163, 255, 0.64);
    filter: brightness(1.05);
    outline: none;
}

@media (max-width: 640px) {
    html {
        font-size: 14px;
    }

    .pagina-modulo {
        padding: 12px;
    }

    .modulo-card {
        padding: 24px 18px;
    }

    .acoes {
        display: grid;
        grid-template-columns: 1fr;
    }

    .botao {
        width: 100%;
    }
}