/* ═══════════════════════════════════════════
   Quick-Actions FAB - Floating Action Buttons
   Glass-Morphism Style
   ═══════════════════════════════════════════ */

.qa-fab {
    position: fixed;
    bottom: clamp(20px, 4vw, 32px);
    left: clamp(20px, 4vw, 32px);
    z-index: 950;
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 12px;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s;
    pointer-events: auto;
}

.qa-fab.qa-hidden {
    transform: translateY(140%);
    opacity: 0;
    pointer-events: none;
}

.qa-fab-main {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.12);
    background: linear-gradient(135deg, #3b82f6 0%, #22d3ee 100%);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 10px 35px rgba(59, 130, 246, 0.45), 0 0 0 0 rgba(59, 130, 246, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s;
    position: relative;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    animation: qa-pulse 2.6s ease-in-out infinite;
}

@keyframes qa-pulse {
    0%, 100% { box-shadow: 0 10px 35px rgba(59, 130, 246, 0.45), 0 0 0 0 rgba(59, 130, 246, 0.4); }
    50% { box-shadow: 0 10px 35px rgba(59, 130, 246, 0.55), 0 0 0 14px rgba(59, 130, 246, 0); }
}

.qa-fab-main:hover {
    transform: scale(1.06);
}

.qa-fab.qa-open .qa-fab-main {
    transform: rotate(135deg);
    animation: none;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

.qa-fab-subs {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.qa-fab.qa-open .qa-fab-subs {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.qa-sub {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-right: 4px;
    text-decoration: none;
    color: #f1f5f9;
    transform: translateX(20px);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s;
}

.qa-fab.qa-open .qa-sub { transform: translateX(0); opacity: 1; }
.qa-fab.qa-open .qa-sub:nth-child(1) { transition-delay: 0.05s; }
.qa-fab.qa-open .qa-sub:nth-child(2) { transition-delay: 0.12s; }
.qa-fab.qa-open .qa-sub:nth-child(3) { transition-delay: 0.19s; }

.qa-sub-label {
    font-family: 'Space Grotesk', 'DM Sans', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 8px 14px;
    background: rgba(10, 14, 23, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    white-space: nowrap;
    box-shadow: 0 6px 22px rgba(0, 0, 0, 0.4);
}

.qa-sub-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.qa-sub:hover .qa-sub-icon { transform: scale(1.1); }

.qa-sub-whatsapp .qa-sub-icon { background: linear-gradient(135deg, #25d366 0%, #128c7e 100%); }
.qa-sub-call .qa-sub-icon { background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%); }
.qa-sub-termin .qa-sub-icon { background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%); }

.qa-fab-main:focus-visible,
.qa-sub:focus-visible .qa-sub-icon {
    outline: 2px solid #22d3ee;
    outline-offset: 3px;
}

@media (max-width: 600px) {
    .qa-fab { bottom: 16px; right: 16px; }
    .qa-fab-main { width: 56px; height: 56px; font-size: 1.3rem; }
    .qa-sub-icon { width: 44px; height: 44px; }
    .qa-sub-label { font-size: 0.78rem; padding: 7px 12px; }
}

@media (prefers-reduced-motion: reduce) {
    .qa-fab, .qa-fab-main, .qa-sub, .qa-fab-subs { animation: none !important; transition: none !important; }
}