body {
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.whatsapp-fab {
    position: fixed;
    right: 18px;
    bottom: max(18px, env(safe-area-inset-bottom));
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg,#25D366,#128C7E);
    display: grid;
    place-items: center;
    color:#fff;
    text-decoration:none;
    box-shadow: 0 12px 28px rgba(18,140,126,.45);
    z-index: 9999;
    transition: transform .15s ease, box-shadow .15s ease;
}
.whatsapp-fab:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 16px 34px rgba(18,140,126,.55);
}
.whatsapp-icon { width: 26px; height: 26px; fill: currentColor; }
@media (max-width: 480px) {
    .whatsapp-fab { right: 14px; bottom: 14px; width: 56px; height: 56px; }
}

header .active {
    color: #ffffff !important;
    position: relative;
    opacity: 1 !important;
}

header .active::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #6366f1;
    box-shadow: 0 0 8px rgba(99, 102, 241, 0.6);
}

div.rounded-xl header .active::after {
    display: none;
}

div.rounded-xl header .active {
    background-color: rgba(255, 255, 255, 0.05);
    color: #6366f1 !important;
}