/* ===== USE CASES CAROUSEL ===== */
.cases-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(to bottom, var(--bg-void), #060606);
}

.cases-section::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 800px; height: 400px;
    background: radial-gradient(ellipse at center, rgba(0, 255, 157, 0.08), transparent 70%);
    pointer-events: none;
}

.cases-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 50px;
    gap: 40px;
    flex-wrap: wrap;
}

.cases-header .section-header {
    margin-bottom: 0;
    flex: 1;
    min-width: 280px;
}

.cases-nav {
    display: flex;
    gap: 12px;
}

.case-nav-btn {
    width: 50px;
    height: 50px;
    background: var(--bg-panel);
    border: 1px solid var(--border-light);
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

.case-nav-btn:hover:not(:disabled) {
    border-color: var(--accent-primary);
    background: rgba(0, 255, 157, 0.05);
    box-shadow: var(--glow-primary);
}

.case-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.cases-viewport {
    overflow: hidden;
    margin: 0 -10px;
    padding: 10px;
}

.cases-track {
    display: flex;
    gap: 24px;
    transition: transform 0.6s var(--transition);
    will-change: transform;
}

.case-card {
    flex: 0 0 320px;
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    border-radius: 6px;
    padding: 28px;
    position: relative;
    transition: all 0.3s var(--transition);
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.case-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 6px;
    padding: 1px;
    background: linear-gradient(135deg, transparent, var(--accent-primary), transparent);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
}

.case-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
}

.case-card:hover::before {
    opacity: 1;
}

.case-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #555;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.case-icon {
    width: 48px;
    height: 48px;
    border: 1px solid var(--border-light);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    margin-bottom: 20px;
    background: rgba(0, 255, 157, 0.04);
}

.case-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: #fff;
    margin-bottom: 12px;
    line-height: 1.3;
}

.case-card p {
    color: #999;
    font-size: 0.9rem;
    line-height: 1.55;
    flex: 1;
}

.case-tag {
    display: inline-block;
    margin-top: 18px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent-secondary);
    letter-spacing: 1px;
    padding: 4px 10px;
    border: 1px solid rgba(0, 184, 255, 0.3);
    border-radius: 3px;
    background: rgba(0, 184, 255, 0.05);
    align-self: flex-start;
}

.cases-progress {
    display: flex;
    gap: 6px;
    margin-top: 36px;
    justify-content: center;
}

.cases-progress span {
    width: 24px;
    height: 3px;
    background: var(--border-dim);
    border-radius: 2px;
    transition: background 0.3s;
}

.cases-progress span.active {
    background: var(--accent-primary);
}

@media (max-width: 768px) {
    .case-card { flex: 0 0 280px; padding: 22px; }
    .cases-header { flex-direction: column; align-items: flex-start; }
    .cases-nav { align-self: flex-end; }
}