.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.build-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-subtle);
    padding: 2rem;
    transition: var(--transition-smooth);
    position: relative;
    display: flex;
    flex-direction: column;
}

.build-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 2px;
    background: var(--color-accent-brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.build-card:hover {
    border-color: #333;
    transform: translateY(-5px);
}

.build-card:hover::before {
    transform: scaleX(1);
}

.build-price {
    font-family: var(--font-header);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 1rem;
    line-height: 1;
}

.build-price span {
    font-size: 1.5rem;
    color: var(--color-accent-brand);
}

.feature-list {
    margin-top: 1.5rem;
    flex-grow: 1;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.feature-icon {
    color: var(--color-accent-brand);
    font-size: 1.2rem;
}

/* Spec Card Enhancements */
.card-premium {
    border-color: var(--color-accent-brand);
    box-shadow: inset 0 0 20px rgba(0, 255, 102, 0.05);
}

.badge-corner {
    position: absolute;
    top: -15px;
    left: 2rem;
    background: var(--color-accent-brand);
    color: #000;
    font-family: var(--font-header);
    font-weight: 700;
    padding: 0.2rem 1rem;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.card-title {
    font-family: var(--font-header);
    font-size: 2rem;
}