body {
    font-family: 'Inter', sans-serif;
}
.gradient-bg {
    background: linear-gradient(135deg, #004aad 0%, #667eea 100%);
}
.gradient-text {
    background: linear-gradient(135deg, #004aad 0%, #667eea 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.card-hover {
    transition: all 0.3s ease;
}
.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 12px;
    height: 12px;
    background: #667eea;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px #667eea;
}
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
    transition: all 0.3s ease;
}
.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 2px 2px 10px #999;
}
.whatsapp-float i {
    margin-top: 16px;
}
.cert-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid #e2e8f0;
}
.specialization-card {
    background: linear-gradient(145deg, #f8fafc 0%, #ffffff 100%);
    border-left: 4px solid #667eea;
}
.benefit-icon {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: white;
}