.use-cases-section {
    padding: var(--spacing-3xl) var(--spacing-xl);
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
    position: relative;
    transition: background 0.3s ease;
}

[data-theme="light"] .use-cases-section {
    background: linear-gradient(180deg, var(--color-bg-tertiary) 0%, var(--color-bg) 100%);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.use-case-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow:
        0 4px 6px rgba(0, 0, 0, 0.1),
        0 2px 4px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: var(--hairline);
    border-top: 2px solid var(--color-accent-primary);
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
                border-color 0.25s ease,
                box-shadow 0.25s ease,
                background 0.25s ease;
    opacity: 0;
    transform: translateY(50px) scale(0.98);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--grid-bg);
    background-size: 28px 28px;
    opacity: 0.18;
    pointer-events: none;
    z-index: 0;
}

.use-case-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 14px;
    height: 14px;
    border-top: 2px solid var(--color-accent-tertiary);
    border-left: 2px solid var(--color-accent-tertiary);
    border-radius: 2px 0 0 0;
    opacity: 0.7;
    pointer-events: none;
    z-index: 2;
}

.use-case-card > * {
    position: relative;
    z-index: 1;
}

[data-theme="light"] .use-case-card {
    box-shadow:
        0 6px 10px rgba(0, 0, 0, 0.12),
        0 3px 6px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.use-case-card[data-scroll].is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.use-case-card:hover {
    transform: translateY(-3px);
    box-shadow:
        0 12px 24px rgba(0, 0, 0, 0.16),
        0 6px 12px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(0, 212, 255, 0.22);
    border-top-color: var(--color-accent-tertiary);
    background: var(--color-bg-card-hover);
}

.use-case-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    display: block;
    height: 3.5em;
}

.use-case-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-tertiary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.3);
    filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.1));
}

[data-theme="dark"] .use-case-title {
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

.use-case-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    transition: color 0.3s ease;
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .use-case-description {
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
    color: #b0bec5;
}

.use-cases-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    font-size: clamp(1rem, 2vw, 1.1rem);
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.use-case-example {
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(0, 212, 255, 0.08) 100%);
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--color-accent-primary);
    font-size: 0.9rem;
    color: var(--color-text-primary);
    margin: var(--spacing-md) 0;
    line-height: 1.6;
}

[data-theme="light"] .use-case-example {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.06) 0%, rgba(0, 188, 212, 0.04) 100%);
}

.use-case-example strong {
    color: var(--color-accent-primary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.use-case-result {
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(102, 126, 234, 0.08) 100%);
    border-radius: var(--border-radius-md);
    border-left: 4px solid #4caf50;
    font-size: 0.9rem;
    color: var(--color-text-primary);
    margin: var(--spacing-md) 0;
    line-height: 1.6;
    font-weight: 500;
}

[data-theme="light"] .use-case-result {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.06) 0%, rgba(102, 126, 234, 0.04) 100%);
}

.use-case-result strong {
    color: #4caf50;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.use-case-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.use-case-benefits li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.use-case-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent-primary);
    font-weight: bold;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

@media (max-width: 1024px) {
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .use-cases-section {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}