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

html {  
    background-color: #E9F0F8;
    color: #343434;
    font-size: 16px;
    font-weight: normal;
    font-family: 'Nunito Sans', sans-serif;
    font-family: 'Red Hat Display', sans-serif;
    overflow: auto;
}

.page, .intro {
    height: auto;
    width: auto;
    margin: 20px;
    background-color: white;
    box-shadow: rgba(14, 30, 37, 0.32) 0px 2px 16px 0px;
    padding: 20px;
    text-align: center;
}


.intro {
    max-width: 750px;
    border-radius: 30px;
}

.page {
    max-width: 750px;
    border-radius: 10px;
}

.heading{
    color: white;
    width: 170px;
}

.heading a {
    color: white;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: normal;
    margin: 15px;
}

.logo {
    background-image: url("logo.png");
    background-size: cover;
    height: 190px;
    width: 210px;
    margin: 20px auto;
}

.full-width {
    width: 100%;
}

button {
    background-color: #172E58;
    color: white;
    height: 40px;
    /* margin: 4px 0px; */
    border-radius: 5px;
    padding: 6px 12px;
    border: 1px solid #343a40;
    box-shadow: rgba(14, 30, 37, 0.32) 0px 2px 16px 0px;
    transition: box-shadow 0.3s;
    z-index: 1;
    text-align: center;
}

button:hover{
    box-shadow: rgba(85, 140, 245, 0.7) 5px 5px, rgba(134, 174, 252, 0.5) 10px 10px, rgba(134, 174, 252, 0.3) 15px 15px, rgba(134, 174, 252, 0.2) 20px 20px, rgba(134, 174, 252, 0.1) 25px 25px ; /*rgba(179, 204, 252, 0.3) 15px 15px,rgba(215, 225, 250, 10.3) 20px 20px, rgba(229, 234, 252, 0.3) 25px 25px;*/
    position: relative;
    top: -5px;
    cursor: pointer;
}

#extra {
    background-color: #F8F9FA;
    color: #343434;
    border: none;
    box-shadow: none;
}

#extra:hover {
    box-shadow: none;
    background-color: #E8E8E8 ;
    position: relative;
    top: 0;
    transition: background-color 0.2s;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}
h3 {
    font-size: 1.75rem;

}
h4 {
    font-size: 1.25rem;
}

h1,h2,h3,h4 {
    font-weight: normal;
    margin: 20px;
}

.features, .content, .footer {
    display: flex;
    flex-direction: column;
    align-items: center; 
}

.grid-container {
    width: 100%;
    display: flex;
    flex-direction: column;
} 

.grid-container > button {
    margin: 5px;
}


hr {
    border: 1px solid#D8D8D8;         
    margin: 30px 0;
}

footer a{
    text-decoration: none;
    color: #0F5DF4;
}

.intro-para > p {
    line-height: 1.6rem;
}

#developer {
    margin: 10px;
}
footer {
    margin: 25px;
}

.icon-container {
    position: absolute;
    right: 15px;
    cursor: pointer;
    border: 1px solid #D8D8D8;
    padding: 10px;
    border-radius: 4px;
}
#menu {
    display: none;
    background-color: #172E58;
    color: #FFFFFF80;
    text-decoration: none;
    position: absolute;
    top: 50px;
    width: 100%;
    left: 0;
    padding: 5px 15px;
    overflow: hidden;
    transition: height 1s ease;
}


#menu a {
    padding: 8px;
    text-decoration: none;
    color: #FFFFFF80;
    display: block;
    float: none;
}

#menu a:hover {
    color: white;
    cursor: pointer;
}

.navbar{
    height: 56px;
    background-color: #172E58;
    color: #FFFFFF80;
    display: flex;
    align-items: center;

}


@media (max-width: 576px) {
    html {
        font-size: 12px;
    }
}

@media (min-width: 768px) {

    #menu {
        display: flex;
        justify-content: space-evenly;
        position: static;
        max-width: 720px;
    }
    #menu a {
        padding: 0 5px;
        display: inline-block;
    }

    .icon-container {
        display: none;
    }

    .page, .intro {
        margin: 20px auto;
        padding: 30px;
    }

    .grid-container {
        display: grid;
        grid-template-columns: auto auto auto;
        gap: 0 10px;
    }

    
}

@media (min-width: 1000px) {
    .page {
        max-width: 980px; 
    }
}