body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Inter, Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #ffffff;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px
}

.bg_imagen {
    width: 100%;
    background-image: url('Bk.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 100vh
}

h1 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #ffffff
}

h2,
.sub_tittle {
    margin: -15px 0 34px;
    font-size: 56px;
    line-height: 1;
    font-weight: 900;
    color: #ffffff
}

p {
    margin: 0 0 16px;
    line-height: 1.55;
    color: rgba(255, 255, 255, .92)
}

a {
    color: #ffffff;
}

.row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    width: 100%;
    max-width: 360px
}

button {
    appearance: none;
    border: 0;
    border-radius: 14px;
    padding: 14px 18px;
    background: #ffffff;
    color: #111111;
    font-weight: 800;
    letter-spacing: .02em;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
    transition: transform .15s ease, box-shadow .2s ease, filter .2s ease
}

button:hover {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 14px 40px rgba(0, 0, 0, .32)
}

button:active {
    transform: translateY(0) scale(.99);
    filter: saturate(1.05)
}

button.secondary {
    background: #ffffff;
    color: #111111
}

#status {
    margin-top: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, .9)
}

.card {
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: 16px;
    padding: 16px;
    margin-top: 16px;
    color: #ffffff;
    backdrop-filter: blur(6px)
}

.audio {
    display: flex;
    align-items: center;
    gap: 8px
}