.hero4{
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
}

.selection{
    background: #ffffff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stats-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}
.stat-card{
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: block;
}
.stat-number{
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 10px;
}
.stat-label{
    font-size: 1rem;
    opacity: 0.95;
}
.media-types{
    margin: 30px 0;
}
.media-card{
    background: #f8f9fa;
    border-radius: 8px;
    padding: 25px;
    margin: 30px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
.tech-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin: 20px 0;
}
.tech-item{
    background: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    color: #34495e;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.media-icon{
    font-size: 2.5rem;
    margin-bottom: 10px;
}
.timeline{
    margin: 30px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}
.timeline-item{
    background: white;
    padding: 15px;
    margin: 10px 0;
    border-radius: 6px;
    border-left: 4px solid #3498db;
    transition: transform 0.2s ease;
}
.media-importance{
    background: #e8f4f8;
    padding: 25px;
    border-radius: 8px;
    margin: 30px 0;
}
ul{
    list-style-type: none;
    padding-left: 0;
}
li{
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}
.expert-quote{
    background: #fff9e6;
    border-left: 4px solid #f39c12;
    padding: 20px;
    margin: 30px 0;
    border-radius: 4px;
    font-style: italic;
}
.learn-more{
    text-align: center;
    margin: 30px 0;
    font-size: 1.1rem;
}
.stat-card:hover{
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}
.tech-item:hover{
    transform: translateY(-3px);
    border-color: #3498db;
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.2);
}
.timeline-item:hover{
    transform: translateX(5px);
}
.tech-item strong{
    font-size: 1.1rem;
    color: #2c3e50;
}
.media-card h3{
    color: #2c3e50;
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.5rem;
}
.timeline h3{
    color: #2c3e50;
    margin-top: 0;
}
.media-importance h3{
    color: #2c3e50;
    margin-top: 0;
}
li:before{
    content: "▸";
    color: #3498db;
    position: absolute;
    left: 0;
    font-weight: bold;
}
.expert-quote p{
    margin: 0;
    color: #555;
}
.expert-quote footer{
    margin-top: 10px;
    text-align: right;
    font-style: normal;
}
.reference-link{
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}
.reference-link:hover{
    color: #2980b9;
    text-decoration: underline;
}
/* Responsive design */
@media (max-width: 768px){
    .stats-grid{
        grid-template-columns: 1fr;
    }
    .tech-grid{
        grid-template-columns: repeat(2, 1fr);
    }
    .fullbar{
        padding: 15px;
    }
}
@media (max-width: 480px){
    .tech-grid{
        grid-template-columns: 1fr;
    }
    .stat-number{
        font-size: 2rem;
    }
}