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

html {
    scroll-behavior: smooth;
}

body {
    background: rgb(134, 134, 134);
    color: #ffffff;
}

#header {
    background-image: url('photo/desktop-view.JPG');
    background-size: 100%;
    height: 700px;
    background-position: center;
    color: rgb(185 143 95);
    text-align: center;
}


#header h4 {
    color: #ffffff;
    text-shadow: -2px -2px 0 rgb(102, 102, 102), 1px 1px 0 rgb(102, 102, 102), -2px 2px 0 rgb(102, 102, 102), 1px 1px 0 rgb(102, 102, 102);
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding-top: 10px;
    margin-left: 450px;
}

nav ul li {
    display: inline-flex;
    list-style: none;
    margin: 10px 20px;
}

nav ul li a {
    color: #000000;
    text-decoration: none;
    font-size: 18px;
    position: relative;
}

nav ul li a::after {
    content: '';
    width: 0;
    height: 3px;
    background: rgb(132 132 132);
    position: absolute;
    left: 0;
    bottom: -10px;
    transition: 0.5s;
}

nav ul li a:hover::after {
    width: 100%;
}

.header-text {
    margin-top: 30%;
    font-size: 50px;
}

.header-text h1 {
    font-size: 60px;
    margin: 10px;
    text-shadow: -2px -2px 0 rgb(102, 102, 102), 1px 1px 0 rgb(102, 102, 102), -2px 2px 0 rgb(102, 102, 102), 1px 1px 0 rgb(102, 102, 102);
}

.header-text h1 span {
    color: #8a3f14;
    text-shadow: -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff, 1px 1px 0 #fff;
}


/*--------------------about----------------------*/

#about {
    padding: 30px;
    color: #ffffff;
    background: rgb(132 132 132);
}

.row {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.about-col-1 {
    flex-basis: 50%;
}

.about-col-1 img {
    width: 100%;
    border-radius: 15px;
}

.about-col-2 {
    flex: basic 60%;
}

.sub-tittle {
    font-size: 60px;
    font-weight: 600;
    color: #ffffff;
    text-shadow: -2px -2px 0 #000, 1px 1px 0 #000, -2px 2px 0 #000, 1px 1px 0 #000;
}

.tab-tittles {
    display: flex;
    margin: 10px 0 40px;
}

.tab-links {
    display: inline-flex;
    margin-top: 4%;
    margin-right: 70px;
    font-size: 18px;
    font-weight: 500;
    color: black;
    cursor: pointer;
    position: relative;
}

.tab-links::after {
    content: '';
    width: 0;
    height: 3px;
    background: rgb(255, 255, 255);
    position: absolute;
    left: 0;
    bottom: -8px;
    transition: 0.5s;
}

.tab-links.active-link::after {
    width: 100%;
}

.tab-contents ul li {
    list-style: disc;
    margin-top: 2%;
}

.tab-contents h2 {
    color: #000000;
    font-size: 16px;
}

.tab-contents {
    display: none;
}

.tab-contents.active-tab {
    display: block;
}


/*------------Intenship-----------*/

#services {
    padding: 30px;
    background: rgb(132 132 132);
}

.services-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 30px;
    margin-top: 40px;
}

.services-list div {
    background: #262626;
    padding: 0px;
    font-size: 12px;
    font-weight: 300;
    border-radius: 10px;
    transition: background 1s, transform 1s;
}

.services-list div .work {
    font-size: 40px;
    margin-bottom: 20px;
}

.services-list div h3 {
    font-size: 20px;
    font-weight: 500;
    color: #000000;
    text-shadow: -2px -2px 0 rgb(255, 255, 255), 1px 1px 0 rgb(255, 255, 255), -2px 2px 0 rgb(255, 255, 255), 1px 1px 0 rgb(250, 250, 250);
    margin-bottom: 10px;
}

.services-list div p {
    text-decoration: none;
    font-size: 15px;
    margin-top: 0px;
    display: inline-block;
}

.services-list div:hover {
    background: linear-gradient(rgba(255, 255, 255, 0), rgb(121, 121, 121));
    transform: translate(0px);
}


/*---------------certificate----------*/

#portfolio {
    padding: 30px;
    background: rgb(132 132 132);
}

.work-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 30px;
    margin-top: 40px;
}

.work {
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.work img {
    width: 100%;
    border-radius: 10px;
    display: block;
    transition: transform 0.5s;
}

.layer {
    width: 100%;
    height: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgb(132 132 132));
    border-radius: 10px;
    position: absolute;
    left: 0;
    bottom: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    text-align: center;
    font-size: 14px;
    transition: height 0.5s;
}

.layer p {
    font-size: 20px;
    color: black;
    text-shadow: -2px -2px 0 rgb(255, 255, 255), 1px 1px 0 rgb(255, 255, 255), -2px 2px 0 rgb(255, 255, 255), 1px 1px 0 rgb(250, 250, 250);
}

.layer h3 {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 20px;
}

.work:hover img {
    transform: scale(1.1);
}

.work:hover .layer {
    height: 100%;
}

.btn {
    background-color: #444444;
    display: block;
    margin: 50px auto;
    width: fit-content;
    border: 1px solid #ffffff;
    padding: 14px 50px;
    border-radius: 6px;
    text-decoration: none;
    color: #f5eeee;
    transition: background 0.5s;
}

.btn:hover {
    background-color: #000000;
    border: 1px solid #444444;
}


/* -----------contact----------- */

#contact {
    background: rgb(132 132 132);
}

.contact-left {
    padding: 30px;
    flex-basis: 35%;
}

.contact-right {
    padding: 10px;
    flex-basis: 60%;
}

.contact-left p {
    margin-top: 30px;
}

.contact-left p i {
    color: #000000;
    margin: right 15px;
    font-size: 25px;
}

.social-icons a {
    margin-top: 30px;
}

.social-icons a {
    text-decoration: none;
    font-size: 30px;
    margin-right: 15px;
    color: #444444;
    display: inline-block;
    transition: transform 0.5s;
}

.social-icons a:hover {
    color: #000000;
    transform: translateY(-5px);
}

.btn.btn2 {
    display: inline-block;
    background: #444444;
}

.btn.btn2:hover {
    background-color: #000000;
}

.contact-right form {
    width: 100%;
}

form input,
form textarea {
    width: 100%;
    border: 0;
    outline: none;
    background: #262626;
    padding: 15px;
    margin: 15px 0;
    color: #fff;
    font-size: 18px;
    border-radius: 6px;
}

form .btn2 {
    padding: 14px 6-px;
    font-size: 18px;
    margin-top: 20px;
    cursor: pointer;
}

.copyright {
    width: 100%;
    text-align: center;
    padding: 25px 0;
    background: #262626;
    font-weight: 300;
    margin-top: 20px;
}

.copyright {
    color: #ffffff;
}


/*----------css for small screen ----------*/

nav .fa-solid {
    display: none;
}

@media only screen and (max-width: 600px) {
    #header {
        background-size: 100%;
        background-image: url('photo/mobile-view.JPG');
        background-repeat: no-repeat;
        height: 700px;
    }
    .header-text {
        margin-top: 100%;
        font-size: 16px;
    }
    .header-text h1 {
        font-size: 30px;
    }
    nav .fa-solid {
        display: block;
        font-size: 25px;
    }
    .services-list {
        grid-template-columns: repeat(2, 1fr);
    }
    nav ul {
        background: #bbbbbb;
        position: fixed;
        top: 0;
        right: -200px;
        width: 200px;
        height: 300px;
        border-radius: 20px;
        padding-top: 50px;
        z-index: 2;
        transition: right 0.5s;
    }
    nav ul li {
        display: block;
        margin: 25px;
    }
    nav ul .fa-solid {
        position: absolute;
        top: 25px;
        left: 25px;
        cursor: pointer;
    }
    .sub-tittle {
        font: size 40px;
    }
    .about-col-1,
    .about-col-2 {
        flex-basis: 100%;
    }
    .about-col-1 {
        margin: bottom 30px;
    }
    .about-col-2 {
        font: size 14px;
    }
    .tab-links {
        font-size: size 16px;
        margin-right: 20px;
    }
    .contact-left,
    .contact-right {
        flex-basis: 100%;
    }
    .copyright {
        font-size: 14px;
    }
}