.o-nas-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 2.5rem;
    flex: 1 0 auto;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-header h1 {
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
    color: #2F3B40;
}

.content-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.section-card {
    background: #fff;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 6px rgba(0,0,0,.06);
    transition: transform .15s ease-in-out, box-shadow .15s;
    border-left: 3px solid #379237;
}

.section-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0,0,0,.10);
}

.section-header {
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.6rem;
    color: #379237;
    margin: 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #379237;
}

.section-content {
    font-size: 1rem;
    line-height: 1.6;
    color: #2F3B40;
}

.section-content p {
    margin-bottom: 1rem;
}

.section-content p:last-child {
    margin-bottom: 0;
}

.section-content strong {
    color: #379237;
    font-weight: 600;
}

.feature-list {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.feature-list li {
    margin-bottom: 0.5rem;
    color: #2F3B40;
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.8rem;
    margin-top: 1rem;
}

.source-item {
    background: rgb(249 249 249);
    padding: 0.8rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    color: #379237;
    border-left: 3px solid #379237;
    font-weight: 500;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.benefit-item {
    background: rgb(249 249 249);
    padding: 1.5rem;
    border-radius: 6px;
    border-left: 4px solid #379237;
}

.benefit-item h3 {
    font-size: 1.1rem;
    color: #379237;
    margin: 0 0 0.5rem 0;
    font-weight: 600;
}

.benefit-item p {
    margin: 0;
    font-size: 0.95rem;
    color: #2F3B40;
}

.mission-card {
    background: linear-gradient(135deg, #379237 0%, #2f7b1d 100%);
    color: #fff;
}

.mission-card .section-header h2 {
    color: #fff;
    border-bottom-color: rgba(255,255,255,0.3);
}

.mission-card .section-content {
    color: #fff;
}

.mission-text {
    font-size: 1.1rem;
    font-weight: 500;
    text-align: center;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .o-nas-container {
        padding: 1.5rem 1rem;
    }
    
    .page-header h1 {
        font-size: 1.8rem;
    }
    
    .section-card {
        padding: 1.5rem;
    }
    
    .section-header h2 {
        font-size: 1.4rem;
    }
    
    .sources-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .o-nas-container {
        padding: 1rem 0.5rem;
    }
    
    .section-card {
        padding: 1rem;
    }
    
    .page-header h1 {
        font-size: 1.6rem;
    }
    
    .section-header h2 {
        font-size: 1.2rem;
    }
}