/* =========================================================
   Science lab banner (photos side by side, moving left)
   ========================================================= */

.lab-banner {
    margin: 0 0 44px;
}

.lab-frame {
    position: relative;
    direction: ltr;
    height: 300px;
    width: 100%;
    border-radius: 18px;
    overflow: hidden;
    background: linear-gradient(135deg, #f6f1e4, #e6dcc6);
    border: 1px solid #e6dcc6;
    box-shadow: 0 10px 30px rgba(47, 58, 23, 0.16);
}

.lab-track {
    display: flex;
    width: max-content;
    height: 100%;
    animation: lab-scroll var(--lab-dur, 40s) linear infinite;
    will-change: transform;
}

.lab-group {
    display: flex;
    flex: none;
    height: 100%;
}

.lab-item {
    flex: none;
    height: 100%;
    padding: 10px 0 10px 10px;
}

.lab-item img {
    display: block;
    height: 100%;
    width: auto;
    border-radius: 12px;
    object-fit: cover;
}

@keyframes lab-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(var(--lab-shift, -50%)); }
}

/* pause on hover, keyboard focus, or when the visitor presses pause */

.lab-frame:hover .lab-track,
.lab-frame:focus-within .lab-track,
.lab-frame.paused .lab-track {
    animation-play-state: paused;
}

.lab-pause {
    position: absolute;
    inset-inline-end: 12px;
    bottom: 12px;
    z-index: 2;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(47, 58, 23, 0.65);
    color: #ffffff;
    cursor: pointer;
    display: grid;
    place-items: center;
}

.lab-pause svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.lab-pause .ic-play {
    display: none;
}

.lab-frame.paused .lab-pause .ic-play {
    display: block;
}

.lab-frame.paused .lab-pause .ic-pause {
    display: none;
}

.lab-pause:focus-visible {
    outline: 3px solid #f2b632;
    outline-offset: 2px;
}

.lab-caption {
    margin: 16px auto 0;
    max-width: 900px;
    padding: 12px 20px;
    text-align: center;
    line-height: 1.9;
    font-weight: 600;
    color: #2f3a17;
    background: #f6f1e4;
    border: 1px solid #e6dcc6;
    border-inline-start: 5px solid #5b6b2f;
    border-radius: 12px;
}

@media (max-width: 768px) {
    .lab-frame {
        height: 220px;
    }
}

@media (max-width: 480px) {
    .lab-frame {
        height: 180px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lab-frame {
        overflow-x: auto;
    }

    .lab-track {
        animation: none;
    }

    .lab-pause {
        display: none;
    }
}