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

.fab {
    position: fixed;
    bottom: var(--space-5);
    right: var(--space-5);
    z-index: var(--z-fab);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-3);
}

/* Main trigger button */
.fab-trigger {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--color-gold);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg), var(--shadow-gold);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
}

.fab-trigger:hover {
    transform: scale(1.08);
    box-shadow: var(--shadow-xl), 0 6px 20px rgba(200,168,78,0.4);
}

.fab-trigger:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}

/* Icons inside trigger */
.fab-icon {
    width: 24px;
    height: 24px;
    fill: var(--color-white);
    transition: opacity var(--transition-fast), transform var(--transition-normal);
    position: absolute;
}

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

.fab.is-open .fab-icon-phone {
    opacity: 0;
    transform: rotate(90deg);
}

.fab.is-open .fab-icon-close {
    opacity: 1;
    transform: rotate(0deg);
}

/* Pulse animation on trigger */
.fab-trigger::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: var(--radius-full);
    background: var(--color-gold);
    opacity: 0;
    animation: fab-pulse 2s ease-in-out infinite;
    z-index: -1;
}

.fab.is-open .fab-trigger::before {
    animation: none;
    opacity: 0;
}

@keyframes fab-pulse {
    0%, 100% { opacity: 0; transform: scale(1); }
    50% { opacity: 0.3; transform: scale(1.15); }
}

/* Options container */
.fab-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    opacity: 0;
    transform: translateY(10px) scale(0.95);
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.fab.is-open .fab-options {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* Individual option buttons */
.fab-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--color-white);
    color: var(--color-text);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    font-size: var(--text-sm);
    white-space: nowrap;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
    border: 1px solid var(--color-border);
}

.fab-option:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(-4px);
    border-color: var(--color-gold);
    color: var(--color-text);
}

.fab-option-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gold-bg);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.fab-option-icon svg {
    width: 18px;
    height: 18px;
    fill: var(--color-gold-dark);
}

.fab-option-label {
    font-size: var(--text-xs);
    line-height: 1.4;
    color: var(--color-text-muted);
}

.fab-option-label strong {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-gold-dark);
}

/* WhatsApp option */
.fab-option-whatsapp .fab-option-icon {
    background: #E8F5E9;
}

.fab-option-whatsapp .fab-option-icon svg {
    fill: #25D366;
}

.fab-option-whatsapp:hover {
    border-color: #25D366;
}

.fab-option-whatsapp .fab-option-label strong {
    color: #128C7E;
}

/* Staggered animation */
.fab.is-open .fab-option:nth-child(1) {
    transition-delay: 100ms;
}
.fab.is-open .fab-option:nth-child(2) {
    transition-delay: 50ms;
}
.fab.is-open .fab-option:nth-child(3) {
    transition-delay: 0ms;
}

/* Desktop size */
@media (min-width: 1024px) {
    .fab-trigger {
        width: 64px;
        height: 64px;
    }

    .fab-icon {
        width: 28px;
        height: 28px;
    }
}

/* Print: hide */
@media print {
    .fab { display: none !important; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .fab-trigger::before {
        animation: none;
    }

    .fab-trigger,
    .fab-icon,
    .fab-options,
    .fab-option {
        transition-duration: 0.01ms !important;
    }
}