/* ============================================================
   BOTÃO FLUTUANTE "FALE CONOSCO" — WhatsApp
   ============================================================ */

.whatsapp-popup {
    position: fixed;
    bottom: 1.25rem;
    left: 1.25rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}

.whatsapp-popup.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.whatsapp-popup-inner {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%) !important;
    background-color: #25D366 !important;
    color: #ffffff !important;
    padding: 0.625rem 1rem 0.625rem 0.75rem !important;
    border-radius: 999px !important;
    display: inline-flex !important;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1;
    white-space: nowrap;
    box-shadow:
        0 6px 18px rgba(18, 140, 126, 0.35),
        0 2px 4px rgba(0, 0, 0, 0.12) !important;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
    position: relative;
    overflow: hidden;
}

.whatsapp-popup-inner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(120% 120% at 0% 0%, rgba(255, 255, 255, 0.18), transparent 60%);
    pointer-events: none;
}

.whatsapp-popup-inner:hover {
    transform: translateY(-2px);
    box-shadow:
        0 10px 24px rgba(18, 140, 126, 0.45),
        0 4px 8px rgba(0, 0, 0, 0.15);
    filter: brightness(1.05);
}

.whatsapp-popup-inner:active {
    transform: translateY(0);
    filter: brightness(0.97);
}

.whatsapp-popup-inner i {
    margin: 0;
    font-size: 1.15rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    flex-shrink: 0;
}

.whatsapp-popup-inner span {
    position: relative;
    z-index: 1;
}

/* Pulso sutil para chamar atenção (apenas na primeira aparição) */
@keyframes whatsapp-attention-pulse {
    0%, 100% {
        box-shadow:
            0 6px 18px rgba(18, 140, 126, 0.35),
            0 2px 4px rgba(0, 0, 0, 0.12),
            0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow:
            0 6px 18px rgba(18, 140, 126, 0.35),
            0 2px 4px rgba(0, 0, 0, 0.12),
            0 0 0 10px rgba(37, 211, 102, 0);
    }
}

.whatsapp-popup.show .whatsapp-popup-inner {
    animation: whatsapp-attention-pulse 2.4s ease-in-out 1.5s 2;
}