/**
 * BetterQA Related Posts Component v2
 * Blueprint Design System (Family A: The Schematic)
 */

@import url('https://fonts.googleapis.com/css2?family=Jost:wght@400;500;600;700&family=Roboto:wght@300;400;500&family=JetBrains+Mono:wght@400;500&display=swap');

.bqa-related-posts {
    --bqa-purple-primary: #9152DE;
    --bqa-purple-deep: #5F29A1;
    --bqa-blue-accent: #204782;
    --bqa-paper: #DDE9E9;
    --bqa-paper-dark: #c9dada;
    --bqa-ink: #1a1a1a;
    --bqa-ink-light: #4a4a5a;
    --bqa-section-padding: 80px;
    --bqa-card-gap: 32px;
    --grid-major: 100px;
    --grid-minor: 20px;
}

.bqa-related-posts {
    padding: var(--bqa-section-padding) 24px;
    background-color: var(--bqa-paper);
    position: relative;
    overflow: hidden;
}

.bqa-related-posts::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--bqa-purple-primary) 1px, transparent 1px),
        linear-gradient(90deg, var(--bqa-purple-primary) 1px, transparent 1px);
    background-size: var(--grid-major) var(--grid-major);
    opacity: 0.04;
    pointer-events: none;
}

.bqa-related-posts::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--bqa-purple-primary) 1px, transparent 1px),
        linear-gradient(90deg, var(--bqa-purple-primary) 1px, transparent 1px);
    background-size: var(--grid-minor) var(--grid-minor);
    opacity: 0.02;
    pointer-events: none;
}

.bqa-related-inner {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.bqa-section-label {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 48px;
}

.bqa-section-label::before {
    content: '';
    width: 40px;
    height: 2px;
    background: var(--bqa-purple-deep);
}

.bqa-section-label-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--bqa-purple-deep);
}

.bqa-section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--bqa-paper-dark), transparent);
}

.bqa-related-title {
    font-family: 'Jost', sans-serif;
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 600;
    color: var(--bqa-ink);
    margin: 0 0 48px 0;
    letter-spacing: -0.02em;
}

.bqa-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--bqa-card-gap);
}

@media (max-width: 1024px) {
    .bqa-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .bqa-related-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

.bqa-spec-card {
    background: white;
    position: relative;
    opacity: 0;
    transform: translateY(24px);
    animation: bqa-fade-up 0.6s ease-out forwards;
    animation-delay: calc(var(--index) * 0.12s);
}

@keyframes bqa-fade-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bqa-spec-card::before,
.bqa-spec-card::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border-color: var(--bqa-purple-deep);
    border-style: solid;
    transition: all 0.3s ease;
}

.bqa-spec-card::before {
    top: 0;
    left: 0;
    border-width: 2px 0 0 2px;
}

.bqa-spec-card::after {
    bottom: 0;
    right: 0;
    border-width: 0 2px 2px 0;
}

.bqa-spec-card .bqa-card-corners::before,
.bqa-spec-card .bqa-card-corners::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border-color: var(--bqa-purple-deep);
    border-style: solid;
    transition: all 0.3s ease;
}

.bqa-spec-card .bqa-card-corners::before {
    top: 0;
    right: 0;
    border-width: 2px 2px 0 0;
}

.bqa-spec-card .bqa-card-corners::after {
    bottom: 0;
    left: 0;
    border-width: 0 0 2px 2px;
}

.bqa-spec-card:hover::before,
.bqa-spec-card:hover::after,
.bqa-spec-card:hover .bqa-card-corners::before,
.bqa-spec-card:hover .bqa-card-corners::after {
    width: 24px;
    height: 24px;
}

.bqa-card-number {
    position: absolute;
    top: -1px;
    left: -1px;
    width: 48px;
    height: 48px;
    background: var(--bqa-purple-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
    font-weight: 500;
    color: white;
    z-index: 2;
}

.bqa-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.bqa-card-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, var(--bqa-purple-deep), var(--bqa-blue-accent));
}

.bqa-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.bqa-spec-card:hover .bqa-card-image img {
    transform: scale(1.03);
}

.bqa-card-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bqa-purple-deep), var(--bqa-blue-accent));
    position: relative;
}

.bqa-card-fallback::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

.bqa-card-fallback i {
    font-size: 40px;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    z-index: 1;
}

.bqa-card-content {
    padding: 24px;
    border: 1px solid var(--bqa-paper-dark);
    border-top: none;
}

.bqa-card-specs {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 12px;
    margin-bottom: 16px;
    border-bottom: 1px dashed var(--bqa-paper-dark);
}

.bqa-card-category {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--bqa-purple-deep);
    padding: 4px 10px;
    border: 1px solid var(--bqa-purple-deep);
    border-radius: 2px;
}

.bqa-card-reading-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--bqa-ink-light);
    display: flex;
    align-items: center;
    gap: 6px;
}

.bqa-card-reading-time i {
    font-size: 10px;
    color: var(--bqa-blue-accent);
}

.bqa-card-title {
    font-family: 'Jost', sans-serif;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.35;
    color: var(--bqa-ink);
    margin: 0 0 12px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
}

.bqa-spec-card:hover .bqa-card-title {
    color: var(--bqa-purple-deep);
}

.bqa-card-excerpt {
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--bqa-ink-light);
    margin: 0 0 20px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bqa-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.bqa-card-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--bqa-ink-light);
}

.bqa-card-arrow {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--bqa-paper-dark);
    transition: all 0.3s ease;
}

.bqa-card-arrow i {
    font-size: 12px;
    color: var(--bqa-purple-deep);
    transition: transform 0.3s ease;
}

.bqa-spec-card:hover .bqa-card-arrow {
    background: var(--bqa-purple-deep);
    border-color: var(--bqa-purple-deep);
}

.bqa-spec-card:hover .bqa-card-arrow i {
    color: white;
    transform: translateX(3px);
}

.bqa-spec-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.bqa-spec-card:hover {
    transform: translateY(-4px);
    box-shadow:
        8px 8px 0 0 var(--bqa-paper-dark),
        8px 8px 0 1px var(--bqa-purple-deep);
}

@media (max-width: 640px) {
    .bqa-related-posts {
        padding: 48px 16px;
    }
    .bqa-section-label {
        margin-bottom: 32px;
    }
    .bqa-related-title {
        margin-bottom: 32px;
    }
    .bqa-card-content {
        padding: 20px;
    }
    .bqa-card-number {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .bqa-spec-card {
        animation: none;
        opacity: 1;
        transform: none;
    }
    .bqa-spec-card,
    .bqa-card-image img,
    .bqa-spec-card::before,
    .bqa-spec-card::after,
    .bqa-card-corners::before,
    .bqa-card-corners::after,
    .bqa-card-arrow,
    .bqa-card-arrow i,
    .bqa-card-title {
        transition: none;
    }
    .bqa-spec-card:hover {
        transform: none;
        box-shadow: none;
    }
}