.principles-box {
    background-color: #f5f9fa;
    border-left: 4px solid var(--secondary-color);
    padding: 20px;
    margin: 25px 0;
    border-radius: 5px;
}

.principles-heading {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.principle-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 10px;
}

.principle-icon {
    font-size: 1.5rem;
    margin-right: 10px;
    background-color: rgba(74, 173, 194, 0.1);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.principle-content {
    flex: 1;
}

p {
    margin-bottom: 1.2em;
}

/* Timeline modifications */
.timeline-container::before {
    display: none; /* Remove blue vertical line */
}

.timeline-year {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: bold;
    margin: 30px 0 15px 0;
}