.tower-pin__btn {
    position: relative;
    z-index: 1;
}

.tower-pin__dot {
    position: relative;
    z-index: 2;
}

/* was missing position */
.tower-pin__label {
    position: relative;
    z-index: 3;
}


/* tower-pins.css */
.tower-pin {
    position: absolute;
    transform: translate(-50%, -50%);
    pointer-events: auto;
    z-index: 5;
    --pin-color: #ff6a00;
    --pulse-color: rgba(255, 255, 255, .7);
    isolation: isolate;
}

.tower-pin__stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.tower-pin__btn {
    position: relative;
    /* anchor for pseudo elements */
    overflow: visible;
    width: 36px;
    height: 36px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .18);
    background: rgba(20, 20, 22, .72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .35);
    z-index: 1;
}

.tower-pin__btn:hover {
    background: rgba(24, 24, 28, .8);
}

.tower-pin__dot {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #ff6a00;
    box-shadow: 0 0 0 3px #1f1f22 inset;
    z-index: 2;
}

.tower-pin__label {
    padding: 6px 10px;
    border-radius: 10px;
    background: rgba(20, 20, 22, .58);
    color: #fff;
    font: 600 12px/1.1 system-ui, -apple-system, "Segoe UI", Roboto, Arial;
    white-space: nowrap;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}


/* two expanding rings */
.tower-pin__btn::before,
.tower-pin__btn::after {
    content: "";
    position: absolute;
    inset: -3px;
    /* start a bit outside the button */
    border-radius: 999px;
    background: var(--pulse-color);
    filter: blur(1px);
    transform: translateY(3px) scale(0.55);
    opacity: 0;
    animation: tp-pulse 2.6s ease-out infinite;
    /* <- run the pulse */
    animation-delay: 0s !important;
    /* <- same timing for all */
    pointer-events: none;
}


/* BACK ring (behind the button & dot) */
.tower-pin__btn::before {
    z-index: 0;
    /* sits behind the button/dot */
    animation-delay: 0s;
    /* starts first */
}

/* FRONT ring (over everything) */
.tower-pin__btn::after {
    z-index: 3;
    /* on top of dot/label */
    animation-delay: .9s;
    /* starts a bit later for “passes through” feel */
}

/* subtle breathing of the inner dot */
.tower-pin__dot {
    animation: tp-breathe 1.8s ease-in-out infinite;
    background: var(--pin-color);
}

/* hover = stronger focus, pause the waves if you like */
.tower-pin__btn:hover::before,
.tower-pin__btn:hover::after {
    animation-play-state: paused;
    /* remove if you want them to keep going */
}

.tower-pin__btn:hover .tower-pin__dot {
    transform: scale(1.05);
}

@media (max-width:600px) {
    .tower-pin__btn {
        width: 25px;
        height: 25px;
    }

    .tower-pin__dot {
        width: 10px;
        height: 10px;
    }
}

/* keyframes */
@keyframes tp-pulse {
    0% {
        transform: scale(0.6);
        opacity: .55;
    }

    60% {
        transform: scale(1.45);
        opacity: .18;
    }

    100% {
        transform: scale(1.9);
        opacity: 0;
    }
}

@keyframes tp-breathe {

    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 106, 0, .0);
    }

    50% {
        transform: scale(1.08);
        box-shadow: 0 0 10px 2px rgba(255, 106, 0, .35);
    }
}





.tower-pin__label {
    transition: opacity .25s ease, transform .25s ease;
    opacity: .95;
}

.tower-pin__btn:hover+.tower-pin__label {
    transform: translateY(-1px);
    opacity: 1;
}


/* accessibility: respect reduced motion */
@media (prefers-reduced-motion: reduce) {

    .tower-pin__btn::before,
    .tower-pin__btn::after,
    .tower-pin__dot {
        animation: none !important;
    }
}