@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

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

body{
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f8ff;
    min-height: 100vh;
}

h1 {
    text-align: center;
    padding: 2rem 0;
    padding-bottom: 0.5rem !important;
}

.container{
    display: flex;
    flex-direction: column;
    margin: 0 40px;
    max-width: 600px;
    gap: 20px;
}

.container h1{
    color: #333;
}

.box{
    position: relative;
    border-radius: 5px;
    background: #fff;
    padding: 0 20px 20px;
    box-shadow: 0 15px 25px rgba(0,0,0,0.1);
    overflow: hidden;
    margin: 25px 0;
}

.box input{
    appearance: none;
}

.box label{
    display: flex;
    align-items: center;
}

label h2{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-right: 10px;
    background: #333;
    color: #fff;
    font-size: 1.3rem;
    border-radius: 5px;
}

label h3{
    position: relative;
    z-index:1;
    font-weight: 500;
    color: #333;
}

.box label::after{
    position: absolute;
    right: 22px;
    content: '+';
    transition: transform 1s;
    font-size: 2.1rem;
    color: rgba(0,0,0,0.2);
}

.box:hover label::after{
    color: #333;
}

.box input:checked ~ label::after{
    transform: rotate(135deg);
}

.box .content{
    max-height: 0;
    transition: 1s;
    overflow: hidden;
}

.box input:checked ~ .content{
    max-height: 100vh;
}


.nav-item {
    margin-left: 1.5rem;
    padding: 0rem 1.5rem;
}