html {
    line-height: 1.5;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'PTSans', Arial, Helvetica, sans-serif;
}

:root{
    --firstcolor- : #e74c3c;
    --secondcolor- : #ffffff;
    --thirdcolor- : #f5deb3;
}

@font-face {
    font-family: 'PTSans';
    src: url('fonts/PTS75F.ttf');
}

.header {
    padding: 50px 0;
    height: 100%;
    width: 100%;
    color: var(--secondcolor-);
    text-align: center;
    z-index: 1;
    margin-top: -50px;
}

header h1 {
    margin: 0;
    font-weight: normal;
    font-size: 165%;
}

header p {
    margin: 0;
}

.site-nav {
    text-align: center;
    background-image: linear-gradient( to bottom left ,var(--thirdcolor-) ,var(--firstcolor-), var(--thirdcolor-));
    position: fixed;
    top: 0;
    margin-right: 0;
    width: 100%;
}

.site-nav ul {
    margin: 0;
    padding: 0;
    display: flex;
}

.site-nav li {
    list-style: none;
    margin-right: 5px;
}

.site-nav a {
    display: block;
    color: var(--secondcolor-);
    text-decoration: none;
    border: none;
    border-bottom: none;
    padding: 15px 0;
}

.ul-list-item {
    display: flex;
    margin-left: auto;
    margin-right: 0;
}

.listitem {
    margin-left: 10px;
}

.list-item {
    padding-right: 15px;
}

/* Extra small devices (phones, 600px and down) */

@media only screen and (max-width: 600px) {
    .site-nav li {
        font-size: small;
    }
    
    .list-item {
        padding-right: 10px;
    }
    .footer {
        font-size: small;
    }
    .container div:nth-child(1){
        flex-direction: column;
    }
    .container div:nth-child(1) img{
        margin: 0 auto;
    }
    .card-group{
        grid-template-columns: repeat(1, 1fr) !important;
    }
}

/* Small devices (portrait tablets and large phones, 600px and up) */

@media only screen and (min-width: 600px) {
    .site-nav li {
        font-size: large;
    }
    .about {
        margin-top: 10px;
    }
    .card-group{
        grid-template-columns: repeat(1, 1fr) !important;
    }
}

/* Medium devices (landscape tablets, 768px and up) */

@media only screen and (min-width: 768px) {
    .card-group{
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* Large devices (laptops/desktops, 992px and up) */

@media only screen and (min-width: 992px) {
    .site-nav li {
        font-size: larger;
    }
}

/* Extra large devices (large laptops and desktops, 1200px and up) */

@media only screen and (min-width: 1200px) {
    .site-nav li {
        font-size: x-large;
    }
}

.img {
    height: 300px;
    width: 180px;
    padding-top: 100px;
    border-radius: 0 0 100px 100px;
}

.container {
    max-width: 940px;
    margin: 0 auto;
    background-color: var(--thirdcolor-);
    padding: 0 40px;
    box-sizing: border-box;
    margin-top: -10px;
}

.about {
    padding-top: 70px;
    text-align: justify;
}

.skills h2,.project h2{
    text-align: center;
}

.skills {
    padding-top: 60px;
}

.card-group{
    display: grid;
    gap: 50px;
}

.card {
    width: 92.5%;
    height: 100%;
    padding: 10px;
    background-image: linear-gradient( to bottom right ,var(--thirdcolor-) ,var(--firstcolor-), var(--thirdcolor-));
    color: black;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-header,
.card-title,
.card-footer {
    text-align: center;
}

.card-header i{
    color: black;
    font-size: xx-large;
}

.card-header img{
    width: 100%;
    height: 100%;
}

.card-title{
    font-size: x-large;
}

.card-body {
    text-align: justify;
}

.project {
    padding-bottom: 40px;
    padding-top: 60px;
}

.contact {
    padding-top: 70px;
    background-image: linear-gradient( to bottom left ,var(--thirdcolor-) ,var(--firstcolor-), var(--thirdcolor-));
    color: var(--secondcolor-);
    text-align: center;
    padding-bottom: 40px;
}

.img1 {
    height: 120px;
    width: 70px;
    border-radius: 30%;
}

.contactbutton,.card-btn {
    background-color: var(--firstcolor-);
    color: var(--secondcolor-);
    padding: 15px 20px;
    display: inline-block;
    border: 1px solid var(--secondcolor-);
    border-radius: 2px;
    text-decoration: none;
    transition: .6s;
    cursor: pointer;
}

.contactbutton:hover,.card-btn:hover {
    text-decoration: none;
    color: var(--firstcolor-);
    background-color: var(--secondcolor-);
}

.footer {
    text-align: center;
    background-color: black;
    color: yellow;
    margin-top: -20px;
    margin-block-end: -20px;
}

.footer p {
    padding: 20px;
}

.contact .social{
    display: flex; 
    justify-content: center; 
    align-items: center; 
    gap: 35px; 
    margin-top: 30px; 
    font-size: x-large;
}