/**
 * Gadby Case Studies Block - Frontend Styles
 */

/* ==========================================================================
   GRID LAYOUT
   ========================================================================== */

.gadby-case-studies {
    display: grid;
    grid-template-columns: repeat(var(--case-studies-columns, 3), 1fr);
    gap: var(--case-studies-gap, 2rem);
    width: 100%;
    margin: 0 auto;
    align-items: start;
}

/* ==========================================================================
   CARD
   ========================================================================== */

.gadby-case-study-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Top border on grid cards */
.gadby-case-studies:not(.gadby-case-studies-horizontal) .gadby-case-study-card {
    border-top: 1px solid var(--case-studies-title-color, #1a2b4a);
    padding-top: 1.5rem;
}

/* ==========================================================================
   IMAGE
   ========================================================================== */

.gadby-case-study-image-link {
    display: block;
    text-decoration: none;
    overflow: hidden;
}

.gadby-case-study-image {
    position: relative;
    width: 100%;
    aspect-ratio: var(--case-studies-image-ratio, 16/9);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.4s ease;
}

.gadby-case-study-image-link:hover .gadby-case-study-image {
    transform: scale(1.03);
}

/* Optional tinted overlay (toggled per-block).
   Default state shows the tint; on hover the overlay fades for a "full colour" effect. */
.gadby-case-study-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: var(--case-studies-overlay-opacity, 0.4);
    transition: opacity 0.4s ease;
}

.gadby-case-study-image-link:hover .gadby-case-study-overlay {
    opacity: var(--case-studies-hover-overlay-opacity, 0);
}

/* ==========================================================================
   CONTENT
   ========================================================================== */

.gadby-case-study-content {
    padding: 1.5rem 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.gadby-case-study-title {
    font-family: var(--font-heading, 'Auguste Sans', serif);
    font-size: var(--case-studies-title-size, clamp(1.5rem, 2.5vw, 2.25rem));
    font-weight: 400;
    line-height: var(--case-studies-title-lh, 1.2);
    margin: 0 0 0.75rem;
    color: var(--case-studies-title-color, #1a2b4a);
}

.gadby-case-study-title a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.gadby-case-study-title a:hover {
    opacity: 0.7;
}

.gadby-case-study-excerpt {
    font-size: var(--case-studies-excerpt-size, 1rem);
    line-height: var(--case-studies-excerpt-lh, 1.6);
    color: var(--case-studies-excerpt-color, #333333);
    margin: 0 0 1.25rem;
}

/* ==========================================================================
   BUTTON
   ========================================================================== */

.gadby-case-study-button {
    display: inline-block;
    padding: 0.65rem 1.75rem;
    background-color: var(--case-studies-btn-bg, #1a2b4a);
    color: var(--case-studies-btn-color, #ffffff);
    font-family: var(--font-nav, sans-serif);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.gadby-case-study-button:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

/* Inline read more (grid layout) */
.gadby-case-study-readmore {
    color: var(--case-studies-title-color, #1a2b4a);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    text-decoration: none;
    white-space: nowrap;
    transition: opacity 0.3s ease;
}

.gadby-case-study-readmore:hover {
    opacity: 0.7;
}

/* ==========================================================================
   HORIZONTAL LAYOUT (alternating image/content)
   ========================================================================== */

.gadby-case-studies-horizontal {
    display: flex;
    flex-direction: column;
    gap: var(--case-studies-gap, 2rem);
}

.gadby-case-studies-horizontal .gadby-case-study-card {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: var(--case-studies-gap, 2rem);
}

/* Reverse: image on right */
.gadby-case-studies-horizontal .gadby-case-study-card-reverse {
    flex-direction: row-reverse;
}

/* Image takes half width */
.gadby-case-studies-horizontal .gadby-case-study-image-link {
    flex: 0 0 50%;
    max-width: 50%;
}

.gadby-case-studies-horizontal .gadby-case-study-image {
    height: 100%;
    aspect-ratio: auto;
}

/* Content takes other half, centered vertically */
.gadby-case-studies-horizontal .gadby-case-study-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 0;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
    .gadby-case-study-content {
        padding: 1rem 0;
    }

    .gadby-case-study-title {
        font-size: clamp(1.125rem, 4vw, 1.5rem);
    }

    .gadby-case-study-excerpt {
        font-size: 0.9rem;
    }

    /* Horizontal stacks vertically on mobile */
    .gadby-case-studies-horizontal .gadby-case-study-card,
    .gadby-case-studies-horizontal .gadby-case-study-card-reverse {
        flex-direction: column;
    }

    .gadby-case-studies-horizontal .gadby-case-study-image-link {
        flex: none;
        max-width: 100%;
    }

    .gadby-case-studies-horizontal .gadby-case-study-image {
        aspect-ratio: var(--case-studies-image-ratio, 16/9);
        height: auto;
    }

    .gadby-case-studies-horizontal .gadby-case-study-content {
        padding: 1rem 0;
    }
}

/* ==========================================================================
   ACCESSIBILITY - REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .gadby-case-study-image,
    .gadby-case-study-overlay,
    .gadby-case-study-button,
    .gadby-case-study-title a {
        transition: none;
    }
}