:root {
    --bg: #0b0b10;
    --fg: #e6e6f0;
    --hint: #9aa0a6;
    --duration: 1200ms; /* délka animace jednoho písmene */
}

/*html, body {
    height: 100%;
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    background: radial-gradient(1200px 800px at 50% 50%, #141420, var(--bg));
    color: var(--fg);
}

.stage {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    overflow: hidden;
}*/

.hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--hint);
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    user-select: none;
    opacity: 0.9;
}

.burst {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    font-weight: 700;
    font-variation-settings: "wght" 800;
    line-height: 1;
    pointer-events: none;
    filter: drop-shadow(0 8px 24px rgba(0,0,0,.35));
    animation: growFade var(--duration) cubic-bezier(.2,.7,.2,1) forwards;
    white-space: pre;
}

@keyframes growFade {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
        letter-spacing: 0;
    }

    70% {
        transform: translate(-50%, -50%) scale(3.2);
        opacity: .25;
    }

    100% {
        transform: translate(-50%, -50%) scale(4.2);
        opacity: 0;
        letter-spacing: .06em;
    }
}

.burst {
    font-size: clamp(64px, 18vw, 240px);
}

.pulse {
    animation: pulseBg 500ms ease-out;
}

@keyframes pulseBg {
    0% {
        background: radial-gradient(1200px 800px at 50% 50%, #1a1a2a, var(--bg));
    }

    100% {
        background: radial-gradient(1200px 800px at 50% 50%, #141420, var(--bg));
    }
}