/* ==========================================
   EXPERTISE PILLARS SECTION - IMPROVED
   ========================================== */
.expertise-pillars-section {
    padding: clamp(60px, 10vw, 100px) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

.expertise-pillars-section::before {
    display: none;
    /* Remove the gradient line */
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(16px, 2vw, 24px);
    margin-top: var(--spacing-2xl);
}

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

@media (max-width: 600px) {
    .expertise-grid {
        grid-template-columns: 1fr;
    }
}

.expertise-pillar {
    padding: clamp(24px, 4vw, 32px);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
}

.expertise-pillar::before {
    display: none;
    /* Remove swipe effect */
}

.expertise-pillar:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pillar-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.pillar-icon::after {
    display: none;
    /* Remove glow effect */
}

.expertise-pillar:hover .pillar-icon {
    transform: scale(1.05);
    background: var(--color-primary);
}

.expertise-pillar:hover .pillar-icon svg {
    color: white;
}

.pillar-icon svg {
    color: var(--color-primary);
    transition: color 0.3s ease;
}

.expertise-pillar h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.expertise-pillar p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.pillar-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.expertise-pillar:hover .pillar-badge {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Responsive */
@media (max-width: 767px) {
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .expertise-pillar {
        padding: 24px;
    }

    .pillar-icon {
        width: 48px;
        height: 48px;
    }
}