.features-section {
    padding: var(--spacing-3xl) var(--spacing-xl);
    background: #ffffff !important;
    position: relative;
    width: 100%;
    overflow: hidden;
}

[data-theme="dark"] .features-section {
    background: var(--color-bg-secondary) !important;
}

.features-section::before {
    display: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.feature-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    padding: 0;
    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);
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.25s ease,
                border-color 0.25s ease,
                background 0.25s ease;
    opacity: 1;
    transform: none;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--grid-bg);
    background-size: 28px 28px;
    opacity: 0.25;
    pointer-events: none;
    z-index: 0;
}

.feature-card::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 2px;
    background: var(--scan-line-gradient);
    opacity: 0;
    pointer-events: none;
    z-index: 3;
}

.feature-card:hover::after,
.feature-card.is-scanning::after {
    animation: featureScan 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes featureScan {
    0% { transform: translateY(0); opacity: 0; }
    20% { opacity: 1; }
    100% { transform: translateY(420px); opacity: 0; }
}

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

[data-theme="light"] .feature-card {
    background: var(--color-bg-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);
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow:
        0 12px 24px rgba(0, 0, 0, 0.18),
        0 6px 12px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(0, 212, 255, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border-color: var(--color-accent-tertiary);
    background: var(--color-bg-card-hover);
}

.feature-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem var(--spacing-lg);
    border-bottom: var(--hairline);
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.08) 0%, transparent 100%);
}

[data-theme="light"] .feature-card-header {
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.05) 0%, transparent 100%);
}

.feature-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-online);
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.8);
    flex-shrink: 0;
}

.feature-svg {
    color: var(--color-accent-primary);
    flex-shrink: 0;
}

.feature-card-header .feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    color: var(--color-text-primary);
    background: none;
    -webkit-text-fill-color: currentColor;
    flex: 1;
    min-width: 0;
}

.feature-badge {
    font-family: var(--font-mono-tech);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-accent-tertiary);
    padding: 0.15rem 0.4rem;
    border: var(--hairline);
    border-radius: var(--border-radius-sm);
    background: rgba(0, 212, 255, 0.06);
    text-transform: uppercase;
}

.feature-card .feature-description,
.feature-card .feature-technical,
.feature-card .feature-benefit {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.feature-card .feature-description {
    padding-top: var(--spacing-md);
}

.feature-card .feature-benefit {
    padding-bottom: var(--spacing-lg);
}

.feature-icon {
    display: none;
}

.feature-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"] .feature-description {
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
    color: #b0bec5;
}

.feature-benefit {
    padding: 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);
    transition: all 0.3s ease;
}

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

.feature-benefit strong {
    color: var(--color-accent-primary);
    display: block;
    margin-bottom: var(--spacing-xs);
    transition: color 0.3s ease;
}

.features-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);
}

.feature-comparison {
    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-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

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

.feature-comparison strong {
    color: var(--color-accent-primary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.feature-technical {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
    font-family: 'Courier New', monospace;
}

.feature-technical strong {
    color: var(--color-text-primary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

@media (max-width: 768px) {
    .features-section {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .feature-card {
        padding: var(--spacing-lg);
    }
}

.features-intro code,
.feature-technical code {
    font-family: 'Courier New', monospace;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    padding: 0.1rem 0.4rem;
    font-size: 0.85em;
    color: var(--color-accent-primary);
}

.feature-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.feature-action {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius-sm);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12) 0%, rgba(0, 212, 255, 0.08) 100%);
    border: 1px solid rgba(102, 126, 234, 0.25);
    color: var(--color-accent-primary);
    white-space: nowrap;
}

[data-theme="light"] .feature-action {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(0, 188, 212, 0.05) 100%);
}

.feature-possibilities {
    list-style: none;
    padding: 0;
    margin: var(--spacing-xs) 0 0 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.feature-possibilities li {
    position: relative;
    padding-left: 1.1rem;
    font-size: 0.88rem;
    line-height: 1.5;
    color: var(--color-text-primary);
}

.feature-possibilities li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent-primary);
    font-weight: 700;
}