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

body {
    background-image: url('/images/bg1.png');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 100vh;
    margin: 0;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    position: absolute; 
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: transparent; 
}

.logo {
    font-family: "Great Vibes", cursive;
    font-weight: 400;
    font-size: 32px;
    color: white;
}

nav {
    display: flex;
    align-items: center;
}

nav a {
    padding: 0 10px;
    text-decoration: none;
    color: white;
    font-weight: 500;
    font-size: 14px;
    position: relative;
}

nav a:not(:last-child)::after {
    content: "";
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background-color: white;
    opacity: 0.3;
}


h1{
    text-align: center;
    margin-bottom: 30px;
    color: #ffffff;
    margin-top: 100px;
}

.container{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.lab-box{
    background: white;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: 0.3s;
    cursor: pointer;
}

.lab-box:hover{
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

.lab-box a{
    text-decoration: none;
    color: #007bff;
    font-size: 22px;
    font-weight: bold;
    display: block;
}

.lab-box a:hover{
    color: #0056b3;
}