.fade-in-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in-element.is-visible {
    opacity: 1;
    transform: translateY(0);
}

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #111827; 
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out, visibility 0.5s;
}
#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}
.spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #3b82f6; 
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.tab-btn {
    transition: all 0.3s ease;
}
.tab-btn.active-tab {
    color: #3b82f6; 
    border-color: #3b82f6;
}
.tab-panel {
    transition: opacity 0.4s ease-out;
}

.service-card ul {
    list-style-type: none;
    padding-left: 0;
}
.service-card li strong {
    color: #d1d5db; 
}
.service-card li span {
    font-size: 0.8rem;
}
.service-card ul ul {
    padding-left: 1.25rem; 
    margin-top: 0.25rem; 
    list-style-type: circle;
    list-style-position: inside;
}

.tab-container {
    scrollbar-width: none; 
}
.tab-container::-webkit-scrollbar {
    display: none; 
}

#whatsapp-fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 40;
    transition: transform 0.3s ease;
}
#whatsapp-fab:hover {
    transform: scale(1.1);
    animation: none; 
}

.faq-icon {
    transition: transform 0.3s ease-out;
}

.dark-map {
     filter: grayscale(100%) invert(90%) contrast(80%);
}

.logo-glow {
    filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.6));
    transition: filter 0.3s ease;
}
.logo-glow:hover {
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.8));
}