/* ============================================================
   42-ambient-sound.css
   Ambient-Sound Hinweis-System
   
   - Pulsierender Gold-Ring auf dem Mute-Toggle (erster Besuch)
   - Eleganter Tooltip «Erleben Sie Ophyr mit Klang»
   - Sanfte Erscheinung & Verschwinden
   ============================================================ */

/* ── Pulsierender Gold-Ring (Aufmerksamkeits-Hinweis) ── */
.video-mute-toggle.ambient-pulse {
    animation: ambientPulseRing 2s ease-in-out infinite;
    box-shadow:
        0 0 0 0 rgba(196, 161, 105, 0.5),
        0 0 1.5rem rgba(196, 161, 105, 0.15);
}

@keyframes ambientPulseRing {
    0% {
        box-shadow:
            0 0 0 0 rgba(196, 161, 105, 0.45),
            0 0 1rem rgba(196, 161, 105, 0.1);
    }
    50% {
        box-shadow:
            0 0 0 0.6rem rgba(196, 161, 105, 0),
            0 0 2rem rgba(196, 161, 105, 0.2);
    }
    100% {
        box-shadow:
            0 0 0 0 rgba(196, 161, 105, 0.45),
            0 0 1rem rgba(196, 161, 105, 0.1);
    }
}

/* ── Tooltip ── */
.ambient-tooltip {
    position: absolute;
    bottom: calc(100% + 0.75rem);
    right: 0;
    white-space: nowrap;
    font-family: var(--font-accent, 'Montserrat', sans-serif);
    font-size: clamp(0.55rem, 1.5vw, 0.65rem);
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold, #c4a169);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(0.75rem);
    -webkit-backdrop-filter: blur(0.75rem);
    padding: 0.5rem 0.85rem;
    border-radius: 0.4rem;
    border: 1px solid rgba(196, 161, 105, 0.2);
    pointer-events: none;
    z-index: 11;

    /* Fade-In Animation */
    opacity: 0;
    transform: translateY(0.5rem);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.ambient-tooltip.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Tooltip-Pfeil nach unten */
.ambient-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 1rem;
    border: 0.35rem solid transparent;
    border-top-color: rgba(0, 0, 0, 0.7);
}

/* ── Responsive: Mobile ── */
@media (max-width: 48rem) {
    .ambient-tooltip {
        font-size: 0.5rem;
        padding: 0.4rem 0.65rem;
        letter-spacing: 0.1em;
        right: -0.5rem;
    }

    .ambient-tooltip::after {
        right: 1.2rem;
    }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
    .video-mute-toggle.ambient-pulse {
        animation: none;
        box-shadow: 0 0 0 0.3rem rgba(196, 161, 105, 0.3);
    }
}