/* ================================
   Floating Action Button (FAB)
=================================== */

.fab-container {
    position: fixed;
    bottom: 22px;
    right: 22px;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease, transform .25s ease;
    transform: translateY(20px);
}

.fab-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Overlay */
.fab-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.15);
    backdrop-filter: blur(2px);
    z-index: 9990;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}

.fab-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* FAB main button */
.fab-main {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #FDB827;
    color: #000;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    box-shadow: 0px 10px 25px rgba(0,0,0,0.25);
    transition: transform .25s ease, background .25s ease;
}

.fab-main.open {
    transform: rotate(180deg);
}

.fab-main.pulse {
    animation: fabPulse 1.4s infinite ease-in-out;
}

@keyframes fabPulse {
    0% { box-shadow: 0 0 0 0 rgba(253,184,39,0.6); }
    70% { box-shadow: 0 0 0 18px rgba(253,184,39,0); }
    100% { box-shadow: 0 0 0 0 rgba(253,184,39,0); }
}

/* Options container */
.fab-options {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    opacity: 0;
    transform: translateY(15px);
    visibility: hidden;
    transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
}

.fab-options.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Each option */
.fab-item {
    width: 50px;
    height: 50px;
    display: flex;
    border-radius: 50%;
    justify-content: center;
    align-items: center;
    background: #ffffff;
    color: #000;
    box-shadow: 0 6px 18px rgba(0,0,0,0.18);
    text-decoration: none;
    position: relative;
    transition: transform .2s ease;
}

.fab-item:hover {
    transform: translateY(-4px);
}

/* Tooltips */
.fab-tooltip {
    position: absolute;
    right: 60px;
    background: #000;
    color: #fff;
    padding: 7px 10px;
    font-size: 0.8rem;
    border-radius: 4px;
    opacity: 0;
    transform: translateX(8px);
    white-space: nowrap;
    transition: opacity .22s ease, transform .22s ease;
    pointer-events: none;
}

.fab-item:hover .fab-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* Icon colors */
.fab-item#fabWhatsapp i {
    color: #25D366;
}
.fab-item#fabCall i {
    color: #1D9BF0;
}
.fab-item#fabContact i {
    color: #FBBF24;
}

/* Mobile improvements */
@media (max-width: 480px) {
    .fab-main {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    .fab-item {
        width: 46px;
        height: 46px;
    }
}