/* --- KNOWLEDGE CENTRE --- */
.section-knowledge {
    background-color: var(--bg-main);
    padding-top: 6rem;
    padding-bottom: 6rem;
    overflow: hidden; /* Prevents horizontal scrollbar spilling out */
}

.section-knowledge .section-header {
    margin-bottom: 3rem;
}

/* Centered & wrapping tabs for cleaner look */
.filter-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap; /* Allows tabs to wrap neatly on smaller screens */
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.tab {
    background: var(--bg-surface);
    border: 1px solid rgba(0,0,0,0.1);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s var(--ease-out);
    color: var(--text-muted);
}

.tab.active, .tab:hover {
    background: var(--bg-dark);
    color: white;
    border-color: var(--bg-dark);
}

/* Horizontal Scroller Base */
.horizontal-scroller {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding: 1rem 0 2rem 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox */
    -webkit-overflow-scrolling: touch; /* Smooth iOS scrolling */
    
    /* Helps align the first item perfectly */
    scroll-padding-left: max(var(--app-padding), calc((100vw - var(--container-max)) / 2));
}

.horizontal-scroller::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Edge */
}

/* Consistent Card Sizing */
.news-card {
    flex: 0 0 auto; /* Prevents flexbox from shrinking the cards */
    width: 360px; /* Fixed width for predictable layout */
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    scroll-snap-align: start;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    border: 1px solid rgba(0,0,0,0.03);
    transition: transform 0.3s var(--ease-out);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
}

.news-img {
    height: 220px;
    background-size: cover;
    background-position: center;
}

.news-content {
    padding: 1.5rem;
}

.news-content h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--bg-dark);
}


/* --- KNOWLEDGE SECTION RESPONSIVE DESIGN --- */

@media (max-width: 992px) {
    .horizontal-scroller {
        /* Adjust alignment for tablet */
        scroll-padding-left: var(--app-padding);
    }
}

@media (max-width: 768px) {
    /* 1. Filter Tabs Cleanup */
    .filter-tabs {
        gap: 0.5rem;
    }
    .tab {
        padding: 0.4rem 1rem;
        font-size: 0.85rem;
    }

    /* 2. The "Peek" Effect Scroller */
    .horizontal-scroller {
        gap: 1rem;
        /* Aligns the snapped card exactly with the left padding */
        scroll-padding-left: var(--app-padding);
        /* Right padding ensures the last card doesn't stick to the edge */
        padding-right: var(--app-padding);
    }

    .news-card {
        /* 
         * Crucial for native mobile feel: 
         * The card takes up 80% of the screen width, leaving 20% to show 
         * the gap and the edge of the next card, indicating scrollability.
         */
        width: 80vw; 
        max-width: 320px;
        /* Center snapping feels better on phones */
        scroll-snap-align: center;
    }

    .news-img {
        height: 180px;
    }

    .news-content {
        padding: 1.25rem;
    }
    .news-content h4 {
        font-size: 1.1rem;
    }

    /* 3. Controls Cleanup */
    .scroller-controls {
        margin-top: 1.5rem;
    }
    
    /* Hide arrows on touch devices to reduce clutter - users will swipe */
    .scroll-btn {
        display: none; 
    }

    /* Keep dots neat and minimal */
    .scroll-indicators {
        gap: 0.6rem;
    }
    .indicator {
        width: 6px;
        height: 6px;
    }
}