body {
    font-family: 'Cairo', sans-serif;
    background: #f4f6f9;
    margin: 0;
}

.hero {
    background: linear-gradient(135deg,#1e3a8a,#0f172a);
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.conference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill,minmax(320px,1fr));
    gap: 20px;
    padding: 40px;
}

.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    padding: 20px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}
