/* ============================================================
   ACCENTURE-STYLE HOVER-REVEAL WHITEPAPER CARDS
   ============================================================ */

/* Grid: 3 equal columns */
.acc-wp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: start;
    margin-top: 30px;
}

@media (max-width: 1024px) {
    .acc-wp-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 640px) {
    .acc-wp-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* The card container */
.acc-wp-card {
    position: relative;
    display: block;
    height: 460px;
    border-radius: 4px;
    overflow: hidden;
    text-decoration: none;
    color: #ffffff;
    box-shadow: var(--card-shadow);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.acc-wp-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 48px -12px rgba(124, 58, 237, 0.3);
}

/* Background image & gradient overlay */
.acc-wp-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.acc-wp-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.acc-wp-card:hover .acc-wp-img {
    transform: scale(1.05);
}

/* Always-on bottom dark gradient for default title contrast */
.acc-wp-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, 
        rgba(15, 23, 42, 0.95) 0%, 
        rgba(15, 23, 42, 0.4) 40%, 
        transparent 100%);
    z-index: 2;
}

/* Default visible content (tag + title at bottom) */
.acc-wp-default {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 28px;
    z-index: 3;
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.acc-wp-card:hover .acc-wp-default {
    opacity: 0;
    transform: translateY(-15px);
}

/* Small category tag */
.acc-wp-tag, .acc-wp-hover-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: monospace;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    color: #a78bfa; /* Light violet for dark background readability */
    margin-bottom: 12px;
}

.acc-wp-tag i, .acc-wp-hover-tag i {
    font-size: 11px;
}

/* Default Title */
.acc-wp-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    line-height: 1.3;
    color: #ffffff;
    letter-spacing: -0.3px;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Hover reveal panel - slides up from bottom */
.acc-wp-hover-panel {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(76, 29, 149, 0.96) 0%, 
        rgba(15, 23, 42, 0.98) 100%);
    z-index: 4;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transform: translateY(101%);
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.acc-wp-card:hover .acc-wp-hover-panel {
    transform: translateY(0);
}

.acc-wp-hover-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: flex-end;
}

/* Hover panel category tag */
.acc-wp-hover-tag {
    color: #c084fc; /* Brighten slightly on hover color overlay */
}

/* Hover panel Title */
.acc-wp-hover-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.35;
    color: #ffffff;
    margin: 0 0 12px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Hover summary/description text */
.acc-wp-summary {
    font-size: 13.5px;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 300;
    margin-bottom: 24px;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Footer structure inside hover panel */
.acc-wp-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 16px;
    margin-top: auto;
}

.acc-wp-publisher {
    font-size: 11px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

.acc-wp-publisher i {
    color: #c084fc;
    font-size: 10px;
}

/* Red PDF badge */
.acc-wp-pdf-badge {
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: #ef4444;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(239, 68, 68, 0.15);
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* CTA "READ WHITEPAPER" style */
.acc-wp-cta {
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.3s ease;
}

.acc-wp-cta:hover {
    color: #c084fc;
}

.acc-wp-arrow {
    font-size: 14px;
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.acc-wp-card:hover .acc-wp-arrow {
    transform: translateX(4px);
}