/* ==========================================================================
   CUJ Framework & Case Studies Stylesheet
   ========================================================================== */

.cuj-hub-container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 40px 24px 80px 24px;
}

.cuj-article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 24px 80px 24px;
}

.cuj-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--surface);
    color: var(--accent);
    font-size: 0.825rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: 1px solid var(--border);
    margin-bottom: 16px;
}

.cuj-header-box {
    margin-bottom: 40px;
}

.cuj-title {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    color: var(--text);
}

.cuj-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 760px;
}

.cuj-meta-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.925rem;
    color: var(--text-muted);
    margin-top: 20px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.cuj-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.cuj-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease, border-color 0.2s ease;
    position: relative;
    overflow: hidden;
}

.cuj-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 12px 32px -8px var(--shadow-color);
}

.cuj-card-tag {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
}

.cuj-card-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
    color: var(--text);
}

.cuj-card-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.cuj-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    border-top: 1px solid var(--border);
    padding-top: 16px;
    margin-top: auto;
}

.cuj-hero-banner {
    background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 100%);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 48px;
    position: relative;
    overflow: hidden;
}

.cuj-hero-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-alpha, rgba(37,99,235,0.08)) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cuj-statement-box {
    background: var(--surface);
    border-left: 4px solid var(--accent);
    border-top: 1px solid var(--border);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    border-radius: 0 12px 12px 0;
    padding: 20px 24px;
    margin: 28px 0;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text);
}

.cuj-statement-box strong {
    color: var(--accent);
}

.mermaid-wrapper {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin: 28px 0;
    overflow-x: auto;
    text-align: center;
}

.section-divider {
    border: 0;
    height: 1px;
    background: var(--border);
    margin: 40px 0;
}

.cuj-article-content {
    font-size: 1.075rem;
    line-height: 1.75;
    color: var(--text);
}

.cuj-article-content h2 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cuj-article-content h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    margin-top: 28px;
    margin-bottom: 12px;
}

.cuj-article-content p {
    margin-bottom: 20px;
}

.cuj-article-content ul, .cuj-article-content ol {
    margin-bottom: 24px;
    padding-left: 28px;
}

.cuj-article-content li {
    margin-bottom: 8px;
    line-height: 1.65;
}

.cuj-article-content li > ul,
.cuj-article-content li > ol {
    margin-top: 8px;
    margin-bottom: 8px;
    padding-left: 24px;
}

.cuj-article-content blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 20px;
    margin: 24px 0;
    color: var(--text-muted);
    font-style: italic;
}

.cuj-article-content code {
    font-family: var(--font-mono, monospace);
    font-size: 0.9em;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2px 6px;
    border-radius: 6px;
}

.cuj-cta-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    margin-top: 56px;
}

@media (max-width: 768px) {
    .cuj-title {
        font-size: 2rem;
    }
    .cuj-grid {
        grid-template-columns: 1fr;
    }
}