:root {
    --brand-1: #19ad9f; /* teal */
    --brand-2: #f8931d; /* orange */
    --brand-3: #1b1e2c; /* deep navy */
}
html,
body {
    height: 100%;
}
body {
    background: radial-gradient(
            1200px 600px at 10% 10%,
            rgba(25, 173, 159, 0.12),
            transparent
        ),
        radial-gradient(
            1000px 500px at 90% 90%,
            rgba(248, 147, 29, 0.1),
            transparent
        ),
        var(--brand-3);
    color: #fff;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto,
        "Helvetica Neue", Arial;
}
.brand-logo {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #06221b;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}
.card-plain {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.countdown {
    letter-spacing: 0.03em;
}
.countdown .unit {
    min-width: 72px;
}
.glass {
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.social a {
    color: rgba(255, 255, 255, 0.85);
    margin-right: 12px;
    font-size: 1.25rem;
}
@media (max-width: 576px) {
    .countdown .unit {
        min-width: 54px;
        padding: 0.4rem;
    }
}