* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #FFB6C1;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

.bubble-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.bubble {
    position: absolute;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 12s ease-in infinite; /* Changed from 8s to 12s to slow down */
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

@keyframes float {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(-20vh) scale(1);
        opacity: 0;
    }
}

.content {
    position: relative;
    z-index: 1;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

h1 {
    width: 100%;                     
    margin: 0 auto;                 
    display: flex;                  
    justify-content: center;       
    align-items: center;          
    padding: 1.2rem 2rem;          
    background: linear-gradient(50deg, #9347bc, #f2175d);
    background-position: center;   
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 15px 35px rgba(142, 71, 188, 0.45);
    text-align: center;  
}

.button-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.course-button {
    background-color: #FEFBFD;
    color: #000000;
    padding: 1rem;
    text-decoration: none;
    border-radius: 25px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.course-button:hover {
    background-color: #FF6A8A;
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0,0,0,0.15);
}
.int1{
    border-color: #FF6A8A;
    align-items: center;
    height: 20rem;
}
.course-button1 {
    background-color: #FEFBFD;
    color: #000000;
    padding: 1rem;
    text-decoration: none;
    border-radius: 25px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.back-button {
    display: block;
    width: fit-content;
    margin: 0 auto;
    padding: 1rem 2rem;
    background-color: #FEFBFD;
    color: #000000;
    text-decoration: none;
    border-radius: 25px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.back-button:hover {
    background-color: #FF6A8A;
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0,0,0,0.15);
}

@media (max-width: 768px) {
    .button-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .content {
        padding: 1rem;
    }

    h1 {
        font-size: 1.5rem;
        padding: 15px;
    }

    h2 {
        font-size: 1.2rem;
        margin-bottom: 1.5rem;
    }

    .course-button {
        padding: 0.8rem;
    }
    .int1{
    border-color: #FF6A8A;
    align-items: center;
    height: 14rem;
    
}
}