/* ============================================
   NTS Floating Widgets — ntss- prefixed styles
   WhatsApp Share Button + Scroll To Top Arrow
   ============================================ */

/* ── Shared: floating button base ── */
.ntss-fab {
    position: fixed;
    right: 22px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 9999;
    border: none;
    outline: none;
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
}

.ntss-fab:hover {
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
}

.ntss-fab:active {
    transform: scale(0.95);
}

/* ── WhatsApp Share Button ── */
.ntss-wa-btn {
    bottom: 90px;          /* sits above the scroll-to-top button */
    background-color: #25D366;
    color: #fff;
    font-size: 26px;
}

.ntss-wa-btn:hover,
.ntss-wa-btn:focus {
    background-color: #1ebe5d;
    color: #fff;
}

/* Tooltip label */
.ntss-wa-btn::before {
    content: "Share on WhatsApp";
    position: absolute;
    right: 62px;
    top: 50%;
    transform: translateY(-50%);
    background: #1a1a1a;
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    padding: 5px 10px;
    border-radius: 6px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.ntss-wa-btn::after {
    content: "";
    position: absolute;
    right: 56px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: #1a1a1a;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.ntss-wa-btn:hover::before,
.ntss-wa-btn:hover::after {
    opacity: 1;
}

/* ── Scroll-to-Top Button ── */
.ntss-scroll-top {
    bottom: 22px;
    background-color: #0d6efd;   /* Bootstrap primary — swap freely */
    color: #fff;
    font-size: 20px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.25s ease;
}

.ntss-scroll-top.ntss-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.ntss-scroll-top:hover,
.ntss-scroll-top:focus {
    background-color: #0b5ed7;
    color: #fff;
}

/* ── Pulse ring animation on WhatsApp button ── */
@keyframes ntss-pulse-ring {
    0%   { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.55); }
    70%  { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.ntss-wa-btn {
    animation: ntss-pulse-ring 2.4s ease-out infinite;
}

.ntss-wa-btn:hover {
    animation: none;   /* stop pulse on hover for clean feel */
}

/* ── Mobile adjustments ── */
@media (max-width: 576px) {
    .ntss-fab {
        right: 14px;
        width: 46px;
        height: 46px;
    }

    .ntss-wa-btn {
        bottom: 76px;
        font-size: 22px;
    }

    .ntss-scroll-top {
        bottom: 16px;
        font-size: 17px;
    }

    /* Hide tooltip on touch devices */
    .ntss-wa-btn::before,
    .ntss-wa-btn::after {
        display: none;
    }
}