/* ============================================
   PATTERN CARDS
   ============================================ */
.patterns-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.pattern-card {
    padding: 2rem 1.75rem;
    border-radius: var(--radius-md);
    background: var(--surface-card);
    border: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 1.125rem;
    transition: border-color var(--t-normal), transform var(--t-normal), box-shadow var(--t-normal);
    position: relative;
    overflow: hidden;
}
.pattern-card:hover {
    border-color: var(--border-lime);
    transform: translateY(-6px);
    box-shadow: 0 12px 36px rgba(194,255,0,0.06);
}

.pattern-emoji {
    font-size: 2.5rem;
    line-height: 1;
}

.pattern-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 0.02em;
    color: var(--text-primary);
    line-height: 1.1;
}

.pattern-tagline {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.65;
    flex: 1;
}

.pattern-cta {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-lime);
    text-decoration: none;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-subtle);
    transition: color var(--t-fast);
}
.pattern-cta:hover {
    color: var(--action-secondary-hover);
}

/* Subtle accent bar that lights up on hover */
.pattern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--text-lime);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-slow);
}
.pattern-card:hover::before {
    transform: scaleX(1);
}

@media (max-width: 1024px) {
    .patterns-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .patterns-grid {
        grid-template-columns: 1fr;
    }
    .pattern-card {
        padding: 1.75rem 1.5rem;
    }
}