/* Core Business Section */
.core-business {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    padding: 80px 0;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-top: -2rem;
    margin-bottom: 3rem;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.business-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border-top: 4px solid var(--primary-color);
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.business-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.business-card h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.business-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.business-features {
    list-style: none;
    padding: 0;
}

.business-features li {
    color: var(--text-color);
    padding: 0.4rem 0;
    font-size: 0.9rem;
    border-bottom: 1px dashed var(--light-gray);
}

.business-features li:last-child {
    border-bottom: none;
}

/* Quality Promise Section */
.quality-promise {
    background: linear-gradient(135deg, #2dd4bf, #0d9488);
    color: var(--white);
    padding: 80px 0;
}

.quality-promise .section-title {
    color: var(--white);
}

.quality-promise .section-title::after {
    background: var(--white);
}

.promise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.promise-item {
    text-align: center;
    padding: 2rem;
}

.promise-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: rgba(255,255,255,0.2);
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
}

.promise-text {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.promise-desc {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.6;
}

/* Why Choose Us Section */
.why-choose {
    background: var(--light-gray);
    padding: 80px 0;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.why-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
}

.why-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.why-item h4 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.why-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Contact CTA Enhancement */
.contact-cta .cta-subtitle {
    font-size: 1.3rem;
    color: rgba(255,255,255,0.95);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .business-grid,
    .promise-grid,
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .section-subtitle {
        margin-top: -1.5rem;
    }
}