@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

.design-header {
    padding: 3rem 2rem;
    background-color: #f9fafa; 
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06); 
    margin-bottom: 3rem;
    text-align: center;
    transition: box-shadow 0.3s ease;
}

.design-header:hover {
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
}

.design-header .display-5 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    color: #2e3138; 
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

.design-header:hover .display-5 {
    color: #4a90e2; 
}

.design-header .display-5::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: #4a90e2;
    margin: 0.5rem auto 0;
    border-radius: 3px;
    opacity: 0.8;
    transform: scaleX(0.5);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.design-header:hover .display-5::after {
    transform: scaleX(1);
    opacity: 1;
}

.design-header .lead {
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: 1.1rem;
    color: #6c757d; 
    max-width: 700px;
    margin: 0 auto;
}

.design-header .bg-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
}

.design-header .bg-circle-1 {
    width: 60px;
    height: 60px;
    background-color: #8e44ad; 
    top: 15%;
    left: 10%;
}

.design-header .bg-circle-2 {
    width: 80px;
    height: 80px;
    background-color: #27ae60; 
    bottom: 10%;
    right: 15%;
}

@media (max-width: 768px) {
    .design-header {
        padding: 2.5rem 1.5rem;
        margin-bottom: 2.5rem;
    }

    .design-header .display-5 {
        font-size: 2.2rem;
    }

    .design-header .lead {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .design-header {
        padding: 2rem 1rem;
        margin-bottom: 2rem;
    }

    .design-header .display-5 {
        font-size: 1.9rem;
    }

    .design-header .lead {
        font-size: 0.9rem;
    }
}