/* ========================================
   FAB BUTTON - Floating Action Button
   ======================================== */

.fab-button {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 1050;
    overflow: visible;
}

.fab-button__trigger {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15), 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0;
}

.fab-button__trigger:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2), 0 6px 12px rgba(0, 0, 0, 0.15);
}

.fab-button__trigger:focus {
    outline: 2px solid #1a1a1a;
    outline-offset: 2px;
}

.fab-button__icon,
.fab-button__close {
    font-size: 24px;
    color: #ffffff;
    transition: all 0.3s ease;
    position: absolute;
}

.fab-button__close {
    opacity: 0;
    transform: rotate(-90deg);
}

.fab-button--active .fab-button__icon {
    opacity: 0;
    transform: rotate(90deg);
}

.fab-button--active .fab-button__close {
    opacity: 1;
    transform: rotate(0deg);
}

.fab-button__menu {
    position: absolute;
    bottom: 80px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.fab-button--active .fab-button__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.fab-button__item {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #f6f6eb;
    border: 1px solid rgba(26, 26, 26, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a1a1a;
    font-size: 22px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

.fab-button__item:hover {
    background: #1a1a1a;
    color: #f6f6eb;
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.fab-button__item:focus {
    outline: 2px solid #1a1a1a;
    outline-offset: 2px;
}

.fab-button__item::before {
    content: attr(data-tooltip);
    position: absolute;
    right: 70px;
    background: #1a1a1a;
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 6px;
    font-family: 'Atyp Kido TRIAL', sans-serif;
    font-size: 13px;
    font-weight: 400;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.fab-button__item:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Pulse animation */
.fab-button__trigger::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: rgba(26, 26, 26, 0.2);
    animation: fabPulse 2s ease-out infinite;
    z-index: -1;
}

@keyframes fabPulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .fab-button {
        bottom: 30px;
        right: 30px;
    }

    .fab-button__trigger {
        width: 60px;
        height: 60px;
    }

    .fab-button__icon,
    .fab-button__close {
        font-size: 24px;
    }

    .fab-button__item {
        width: 54px;
        height: 54px;
        font-size: 21px;
    }

    .fab-button__menu {
        bottom: 75px;
    }
}

@media (max-width: 768px) {
    .fab-button {
        bottom: 24px;
        right: 24px;
    }

    .fab-button__trigger {
        width: 56px;
        height: 56px;
    }

    .fab-button__icon,
    .fab-button__close {
        font-size: 22px;
    }

    .fab-button__item {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .fab-button__menu {
        bottom: 70px;
    }
}

@media (max-width: 480px) {
    .fab-button {
        bottom: 20px;
        right: 20px;
    }

    .fab-button__trigger {
        width: 52px;
        height: 52px;
    }

    .fab-button__icon,
    .fab-button__close {
        font-size: 20px;
    }

    .fab-button__item {
        width: 48px;
        height: 48px;
        font-size: 18px;
    }

    .fab-button__item::before {
        display: none;
    }

    .fab-button__menu {
        bottom: 65px;
    }
}