/* Optioneel laadscherm op publieke pagina's. De styles zijn bewust klein en
   hebben geen externe assets nodig; 'grid' is de originele Gerenuk-indicator. */
.hb-loader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.92);
    transition: opacity 0.28s ease, visibility 0.28s ease;
}
.hb-loader.is-done {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.hb-loader-grid,
.hb-loader-spinner,
.hb-loader-dots,
.hb-loader-pulse {
    position: relative;
}

/* Originele Gerenuk-indicator: 9 witte puntjes op een donkere overlay. */
.hb-loader-grid {
    width: 64px;
    height: 64px;
}
.hb-loader-grid span {
    position: absolute;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #fff;
    animation: hb-loader-grid 1.2s linear infinite;
}
.hb-loader-grid span:nth-child(1) { top: 6px; left: 6px; animation-delay: 0s; }
.hb-loader-grid span:nth-child(2) { top: 6px; left: 26px; animation-delay: -0.4s; }
.hb-loader-grid span:nth-child(3) { top: 6px; left: 45px; animation-delay: -0.8s; }
.hb-loader-grid span:nth-child(4) { top: 26px; left: 6px; animation-delay: -0.4s; }
.hb-loader-grid span:nth-child(5) { top: 26px; left: 26px; animation-delay: -0.8s; }
.hb-loader-grid span:nth-child(6) { top: 26px; left: 45px; animation-delay: -1.2s; }
.hb-loader-grid span:nth-child(7) { top: 45px; left: 6px; animation-delay: -0.8s; }
.hb-loader-grid span:nth-child(8) { top: 45px; left: 26px; animation-delay: -1.2s; }
.hb-loader-grid span:nth-child(9) { top: 45px; left: 45px; animation-delay: -1.6s; }
.hb-loader--grid { background: #000; }

/* Spinner-ring in de merkkleur. */
.hb-loader-spinner {
    width: 52px;
    height: 52px;
    border: 5px solid rgba(var(--brand-rgb, 13, 110, 253), 0.18);
    border-top-color: var(--brand, #0d6efd);
    border-radius: 50%;
    animation: hb-loader-spin 0.85s linear infinite;
}

/* Drie springende punten. */
.hb-loader-dots {
    display: inline-flex;
    gap: 7px;
    align-items: center;
}
.hb-loader-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--brand, #0d6efd);
    animation: hb-loader-dot 1.1s ease-in-out infinite;
}
.hb-loader-dots span:nth-child(2) { animation-delay: 0.14s; }
.hb-loader-dots span:nth-child(3) { animation-delay: 0.28s; }

/* Pulserend logo of merkletter. */
.hb-loader-pulse {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--brand, #0d6efd);
    color: #fff;
    font-size: 1.6rem;
    font-weight: 700;
    box-shadow: 0 0 0 0 rgba(var(--brand-rgb, 13, 110, 253), 0.45);
    animation: hb-loader-pulse 1.5s ease-out infinite;
    overflow: hidden;
}
.hb-loader-pulse img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #fff;
}

/* Dunne voortgangsbalk bovenaan. */
.hb-loader--bar {
    background: transparent;
    align-items: flex-start;
    pointer-events: none;
}
.hb-loader-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(var(--brand-rgb, 13, 110, 253), 0.16);
}
.hb-loader-bar span {
    display: block;
    width: 40%;
    height: 100%;
    background: var(--brand, #0d6efd);
    animation: hb-loader-bar 1.1s ease-in-out infinite;
}

@keyframes hb-loader-grid {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
@keyframes hb-loader-spin {
    to { transform: rotate(360deg); }
}
@keyframes hb-loader-dot {
    0%, 70%, 100% { transform: translateY(0); opacity: 0.4; }
    35% { transform: translateY(-7px); opacity: 1; }
}
@keyframes hb-loader-pulse {
    0% { box-shadow: 0 0 0 0 rgba(var(--brand-rgb, 13, 110, 253), 0.42); }
    70% { box-shadow: 0 0 0 18px rgba(var(--brand-rgb, 13, 110, 253), 0); }
    100% { box-shadow: 0 0 0 0 rgba(var(--brand-rgb, 13, 110, 253), 0); }
}
@keyframes hb-loader-bar {
    0% { transform: translateX(-110%); }
    100% { transform: translateX(260%); }
}
@media (prefers-reduced-motion: reduce) {
    .hb-loader span,
    .hb-loader-spinner,
    .hb-loader-pulse {
        animation: none;
    }
    .hb-loader-bar span { width: 100%; }
}