* {
    box-sizing: border-box;  
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: sans-serif;
}
li {
    list-style: none;
}
a {
    text-decoration: none;
}
:root {
    --main-color: rgb(251, 140, 4);
    --main-textColor : rgb(73, 73, 73);
    --main-background : #efefef;
}
.timeline .container {
    padding: 50px 15px;
    margin: auto;
    max-width: 1170px;
}
.landing-page {
    background-image: url("../images/landing/01.jpg");
    background-size: cover;
    min-height: 100vh;
    position: relative;
    transition: 2s;
}
.landing-page .overlay {
    width: 100%;
    height: 100%;
    background-color: #0000008c;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}
.landing-page .header-section {
    display: flex;
    z-index: 2;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    position: relative;
}
.landing-page .header-section .logo {
    font-size: 30px;
    font-weight: 700;
    color: white;
}
.landing-page .header-section .logo span {
    color: var(--main-color);
}
.landing-page .header-section .links {
    display: flex;
}

.landing-page .header-section .links li {
    margin-right: 15px;
    transition: 0.3s;
    cursor: pointer;
}
.landing-page .header-section .links li{
    color: white;
    cursor: pointer;
}

.landing-page .header-section .links li:hover {
    color: var(--main-color);
}
.landing-page .text {
    top: 50%;
    left: 50%;
    transform: translate(-50% ,-50%);
    color: white;
    position: absolute;
    text-align: center;
    z-index: 1;
}
.landing-page .text h2 {
    font-size: 30px;
    font-weight: 700;
}
.landing-page .text h2 span {
    color: var(--main-color);
}
.landing-page .text p {
    font-size: 20px;
    font-weight: 100;
    line-height: 1.5;
    width: 380px;
}
.landing-page .header-section i {
    display: none;
    color: white;
    margin-right: 10px;
    font-size: 30px;
    padding: 10px;
}
/* grid system */
@media (max-width: 992px) {
    .landing-page .header-section .links {
        display: none;
        position: absolute;
        right: 25px;
        top: 50px;
        flex-direction: column;
        width: calc(100% - 50px);
        z-index: 999;
        background-color: rgba(255, 255, 255, 0.626);
    }
    .landing-page .header-section .links::before {
        content: "";
        position: absolute;
        top: -19px;
        right: 12px;
        border: 10px solid;
        border-color: transparent transparent rgba(207, 207, 207, 0.689) transparent ;
    }
    .landing-page .header-section .links li {
        color: black;
        margin: 10px 20px 10px -20px;
        background-color: rgb(220, 220, 220);
        width: 100%;
        height: 100%;
        text-align: center;
        padding: 10px;
    }
    .landing-page .header-section .links.active {
        display: flex;
    }
    .landing-page .header-section i {
        display: block;
    }
}
@media (max-width: 420px) {
    .landing-page .header-section .logo {
        font-size: 20px;
    }
    .landing-page .header-section i {
        font-size: 20px;
    }
    .landing-page .text {
        width: 95%;
    }
    .landing-page .text h2 {
        width: 100%;
        font-size: 18px;
    }
    .landing-page .text p {
        width: 100%;
        font-size: 13px;
    }
    .landing-page .header-section .links {
        top: 40px;
    }
    .landing-page .header-section .links::before {
        top: -19px;
        right: 7px;
    }
}


/* setting box  */
.setting-box {
    position: fixed;
    z-index: 999;
    width: 200px;
    height: 100%;
    background-color: white;
    left: -200px;
    transition: 0.3s;
    border: 1px solid #ddd;
}
.setting-box.open {
    left: 0;
}
.setting-box .setting-icon {
    position: absolute;
    left: 99%;
    top: 25%;
    width: 35px;
    height: 35px;
    background-color: white;
    border: 3px solid;
    border-color: var(--main-color) var(--main-color) var(--main-color) transparent;
    border-radius: 2px;
    
}
.setting-box .setting-icon i {
    transform: translate(-50%, -50%);
    position: absolute;
    top: 50%;
    left: 50%; 
    font-size: 20px;
}
.setting-box .setting-icon i.rotate {
    animation: setting-icon 0.7s infinite linear;
}
.setting-box .setting-container {
    position: relative;
}
@keyframes setting-icon {
    to {
        transform: translate(-50%, -50%) rotate(360deg)
    }
}
.setting-box .setting-container .colors {
    text-align: center;
    padding: 1px 10px 10px 10px;
    background-color: rgb(227, 227, 227);
    margin: 15px;
    color: var(--main-textColor);
}
.setting-box .setting-container .colors ul {
    display: flex;
    justify-content: space-evenly;
    padding: 0;
}
.setting-box .setting-container .colors ul li {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background-color: black;
    opacity: 0.3;
    cursor: pointer;
}
.setting-box .setting-container .colors ul li.active {
    opacity: 1;
}
.setting-box .setting-container .colors ul li:first-child {
    background-color: rgb(251, 140, 4);
}
.setting-box .setting-container .colors ul li:nth-child(2) {
    background-color: rgb(1, 201, 198);
}
.setting-box .setting-container .colors ul li:nth-child(3) {
    background-color: rgb(210, 15, 190);
}
.setting-box .setting-container .colors ul li:nth-child(4) {
    background-color: rgb(4, 132, 251);
}
.setting-box .setting-container .colors ul li:nth-child(5) {
    background-color: rgb(235, 83, 2);
}

/* random background setting */
.setting-box .setting-container div:not(:nth-child(4)) {
    background-color: rgb(227, 227, 227);
    padding: 5px 10px;
    margin: 15px;
    text-align: center;
}
.setting-box .setting-container>div>div {
    text-align: center;
    display: flex;
    justify-content: space-between;
}
.setting-box .setting-container h2 {
    font-size: 20px;
    text-align: center;
    color: var(--main-textColor);
    font-weight: 700;
}

.setting-box .setting-container span {
    display: inline-block;
    background-color: var(--main-color);
    border-radius: 7px;
    padding: 5px 10px 5px 10px;
    color: white;
    font-weight: 700;
    cursor: pointer;
    opacity: 0.5;   
}   
.setting-box .setting-container span.active {
    opacity: 1;
}
/* about us */

.about-us {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 100px 20px;
}
.about-us .text {
    max-width: 600px;
}
.about-us .text h4 {
    color: var(--main-color);
    font-size: 30px;
    font-weight: 700;
}
.about-us .text p {
    line-height: 1.5;
    color: var(--main-textColor);
    font-size: 25;
    word-spacing: 1.5px;
}
.about-us img {
    width: 450px;
}
/* grid system */
@media (max-width: 992px) {
    .about-us img {
        width: 350px;
    }
}
@media (max-width: 768px) {
    .about-us {
        flex-direction: column;
        gap: 50px;
    }
    .about-us .text {
        text-align: center;
    }
}
@media (max-width: 420px) {
    .about-us img {
        width: 250px;
    }
}
/* our skills */
.our-skills {
    background-color: var(--main-background);
    padding: 50px 0;
    text-align: center;
}
.our-skills h2 {
    font-size: 30px;
    color: var(--main-color);
    font-weight: 700;
}
.our-skills .programming-languages {
    margin: 20px 5%;
    padding: 5px;
    width: 90%;
}
.our-skills .programming-languages .pro-lang {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 10px;
    background-color: white;
    margin-bottom: 20px;
    height: 70px;
}
.our-skills .programming-languages .pro-lang .name {
    font-weight: 700;
    width: 150px;
    font-family: system-ui;
    letter-spacing: 1.5px;
    font-size: 20px;
}
.our-skills .programming-languages .pro-lang .percentage {
    background-color: var(--main-background);
    width: calc(100% - 150px);
    height: 80%;
    border-radius: 9px;
    position: relative;
    display: flex;
}
.our-skills .programming-languages .pro-lang .percentage span {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--main-color);
    border-radius: 9px;
    display: inline-block;
    transition: 1s;
}

/* grid system */
@media (max-width: 768px) {
    .our-skills .programming-languages .pro-lang {
        flex-direction: column;
        gap: 10px;
    }
    .our-skills .programming-languages .pro-lang {
        height: 90px;
    }
    .our-skills .programming-languages .pro-lang .percentage {
        height: 20px;
        width: calc(100% - 50px);
    }
}
/* gallery */

.gallery {
    padding: 0 15px;
    margin: 50px auto 50px auto;
    width: 90%;
}
.gallery h2 {
    text-align: center;
    color: var(--main-color);
    font-size: 30px;
}
.gallery .images {
    display: grid;
    grid-template-columns: repeat(auto-fill , minmax(210px , 1fr));
    align-items: stretch;
    gap: 10px;
    margin-top: 100px 20px 0 20px;
    justify-items: center;
}
.gallery .images img {
    width: 220px;
    border: 4px solid rgb(233, 233, 233);
    border-radius: 1px;
    outline: 1px solid rgb(213, 213, 213);
    cursor: pointer;
    transition: 0.3s;
}
.gallery .images img:hover {
    opacity: 0.8;
}
.overlay {
    z-index: 88;
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: rgb(0, 0, 0);
    opacity: 0.8;
    top: 0;
    left: 0;
}
.popBox {
    z-index: 99;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    max-width: 550px;
    padding: 20px;
    background-color: white;
    border: 1px solid rgb(193, 193, 193);
    outline: 10px solid rgb(232, 232, 232);
}
.pigImg {
    max-width: 100%;
}
.closePigImage {
    position: absolute;
    top: -50px;
    right: -50px;
    font-size: 50px;
    z-index: 999;
    color: black;
    cursor: pointer;
    text-align: center;
    padding-top: 5px;
    background-color: rgb(216, 216, 216);
    border-radius: 50%;
    width: 60px;
    height: 65px;
}
@media (max-width: 500px) {
    .popBox {
        width: 90%;
        padding: 0px;
    }
    .closePigImage {
        top: -70px;
        right: -20px;
        background-color: transparent;
        color: white;
    }
}
/* Time Line  */

.timeline {
    background-color: var(--main-background);
    min-height: fit-content;
}
.timeline .container {
    padding: 50px 15px;
    margin: auto;
    max-width: 1170px;
    position: relative;;
}
.timeline-content {
    position: relative;
    overflow: hidden;
}
.timeline-content::before {
    content: "";
    position: absolute;
    left: 50%;
    margin-left: -1px;
    width: 2px;
    height: 90%;
    background-color: var(--main-color);
}
.timeline-content .year {
    position: relative;
    left: 50%;
    top: 0px;
    transform: translateX(-50%);
    background-color: var(--main-color);
    padding: 5px;
    border-radius: 5px;
    color: white;
    width: fit-content;
    text-align: center;
    margin: 50px 0 100px 0;
}
.timeline-content .left ,
.timeline-content .right {
    position: relative; 
    width: calc(50% - 25px);
    border-radius: 5px;
    margin: 0 0 20px 0;
    background-color: white;
    padding: 5px 15px;
    top: -50px;
}
.timeline-content .left {
    float: left;
}
.timeline-content .left::before {
    content: "";
    position: absolute;
    top: 20px;
    left: 100%;
    border: 10px solid;
    border-color: transparent transparent transparent white;
}
.timeline-content .left::after {
    content: "";
    position: absolute;
    top: 20px;
    right: -35px;
    background-color: white;
    border: 5px solid var(--main-color);
    border-radius: 50%;
    width: 14px;
    height: 14px;
}
.clear-fix {
    clear: both;
}
.timeline-content .right {
    float: right;
}
.timeline-content .right::before {
    content: "";
    position: absolute;
    top: 20px;
    right: 100%;
    border: 10px solid;
    border-color: transparent white transparent transparent;
}
.timeline-content .right::after {
    content: "";
    position: absolute;
    top: 20px;
    left: -37px;
    background-color: white;
    border: 5px solid var(--main-color);
    border-radius: 50%;
    width: 14px;
    height: 14px;
}
.timeline-content h3 {
    color: var(--main-color);
}
.timeline-content p {
    max-width: 500px;
    line-height: 1.5;
}
/* grid system */
@media (max-width: 576px) {
    .timeline-content h3 {
        font-size: 18px;
    }
    .timeline-content p {
        font-size: 13px;
    }
    .timeline-content .right , 
    .timeline-content .left {
        float: none;
        position: relative;
        left: 50%;
        transform: translateX(-50%);
        width: 80%;
    }
    .timeline-content .right::after , 
    .timeline-content .left::after ,
    .timeline-content .right::before , 
    .timeline-content .left::before {
        display: none;
    }

}
@media (max-width: 395px) {
    .timeline-content h3 {
        font-size: 15px;
    }
    .timeline-content p {
        font-size: 10px;
    }
}

/* our features */

.our-features {
    padding: 0 0 50px 0;
}
.our-features h2 {
    font-size: 30px;
    font-weight: 700;
    text-align: center;
    color: var(--main-color);
    margin: 100px;
}
.our-features .content {
    display: grid;
    grid-template-columns: repeat(auto-fill , minmax(350px , 1fr));
    justify-items: center;
    gap: 50px;
}
.our-features .content .box {
    width: calc(99%/4);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.our-features .content .box span {
    display: inline-block;
    width: 50px;
    height: 3px;
    background-color: var(--main-color);
    border-radius: 200px;
}
.our-features .content img {
    background-color: var(--main-background);
    padding: 10px;
    border-radius: 50%;
    border: 3px solid white;
    outline: 3px solid var(--main-background);
    max-width: 70px;
}
.our-features .content .box p {
    line-height: 1.5;
    font-size: 15px;
    color: var(--main-textColor);
    width: 300px;
}

/* grid system */

@media (max-width: 420px) {
    .our-features .content {
        grid-template-columns: repeat(auto-fill , minmax(250px , 1fr));
    }
    .our-features .content .box {
        width: 100%;
    }
    .our-features .content .box p {
        width: 100%;
    }
}
/* testmonials */
.testmonials {
    padding: 50px;
    min-height: 500px;
    position: relative;
}
.testmonials::before , 
.testmonials::after {
    content: "";
    width: 50%;
    height: 100%;
    position: absolute;
    top: 0;
    z-index: -1;
}
.testmonials::before {
    left: 0;
    background-color: var(--main-color)
}
.testmonials::after {
    right: 0;
    background-color: #333;
}
.testmonials h2 {
    color: white;
    font-weight: bold;
    margin-bottom: 100px;
}
.testmonials .content {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-flow: row wrap;
}
.testmonials .content .box {
    background-color: #f1f1f1;
    padding: 10px;
    width: 300px;
}
.testmonials .content .box .top p {
    font-size: 13px;
    color: var(--main-textColor);
    line-height: 1.5;
}
.testmonials .content .box .bottom {
    display: flex;
    gap: 20px;
}
.testmonials .content .box .bottom .image {
    position: relative;
    text-align: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    font-size: 12px;
    background-color: #ccc;
}
.testmonials .content .box .bottom .image p {
    position: absolute;
    top: 30%;
    left: 25%;
    transform: translate(-50% -50%);
}
.testmonials .content .box .bottom .text h3 {
    font-size: 15px;
}
.testmonials .content .box .bottom .text p {
    font-size: 12px;
    color: var(--main-textColor);
}
/* grid system */
@media (max-width: 576px) {
    .testmonials .content {
        width: 100%;
    }
    .testmonials .content .box  {
        width: 100%;
    }
    .testmonials .content .box .bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-top: 30px;
    }
}
/* nav Bullets */
.navBullets {
    position: fixed;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 99;
}
.navBullets .Bullet {
    width: 15px;
    height: 15px;
    border: 3px solid var(--main-color);
    border-radius: 50%;
    margin: 10px 0;
    cursor: pointer;
}
::-webkit-scrollbar {
    width: 10px;
    background-color: white;
}
::-webkit-scrollbar-thumb {
    background-color: var(--main-color);
    border-radius: 5px;
}
.navBullets .Bullet::before {
    display: none;
    background-color: var(--main-color);
    color: white;
    position: absolute;
    left: -110px;
    margin-top: -5px;
    padding: 0 5px;
    width: 90px;
    cursor: pointer;
}
.navBullets .Bullet:first-child::before {
    content: "About Us";
}
.navBullets .Bullet:nth-child(2)::before {
    content: "Our Skills";
}
.navBullets .Bullet:nth-child(3)::before {
    content: "Our Gallery";
}
.navBullets .Bullet:nth-child(4)::before {
    content: "Timeline";
}
.navBullets .Bullet:nth-child(5)::before {
    content: "Features";
}
.navBullets .Bullet:nth-child(6)::before {
    content: "Testmonials";
}
.navBullets .Bullet:nth-child(7)::before {
    content: "Contact Us";
}
.navBullets .Bullet::after {
    display: none;
    content: "";
    position: absolute;
    margin-top: -2px;
    left: -11px;
    border: 7px solid;
    border-color: transparent transparent transparent var(--main-color);
}
.navBullets .Bullet:hover::after {
    display: block;
}
.navBullets .Bullet:hover::before {
    display: block;
}

/* reset */

.setting-container .reset {
    margin: -5px 15px;
    padding: 0;
}
.setting-container .reset button {
    height: 40px;
    font-size: 20px;
    font-weight: 700;
    width: 100%;
    position: relative;
    top: 50%;
    transform: translateY(20%);
    border: none;
    border-radius: 5px;
    padding: 5px 20px;
    background-color: var(--main-color);
    color: white;
}

/* contact us */
.contactUs {
    background-image: url(../images/contact-us/01.jpg);
    background-size: cover;
    min-height: 600px;
    position: relative;
    padding: 50px 0;
}

.contactUs .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
}
.contactUs .container {
    position: relative;
    z-index: 99;
}
.contactUs .container h2 {
    text-align: center;
    color: var(--main-color);
    margin-bottom: 60px;
    font-size: 30px;
    font-weight: 700;
}
.contactUs .container .content {
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: center;
    width: 100%;
    gap: 40px;
}
.contactUs .container .content .left ,
.contactUs .container .content .right {
    width: 30%;
}
.contactUs .container .content input,
.contactUs .container .content textarea,
.contactUs .container .content button {
    display: block;
    width: 100%;
    height: 50px;
    margin: 20px 0;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    padding: 15px 15px;
}
.contactUs .container .content input,
.contactUs .container .content textarea {
    background-color: #efefef77;
    border: 2px solid rgb(169, 169, 169);
}
.contactUs .container .content input::placeholder,
.contactUs .container .content textarea::placeholder {
    transition: 0.3s;
}
.contactUs .container .content input:focus::placeholder,
.contactUs .container .content textarea:focus::placeholder {
    opacity: 0;
}
.contactUs .container .content input:focus,
.contactUs .container .content textarea:focus {
    border: 2px solid var(--main-color);
    outline: none;
}
.contactUs .container .content button {
    background-color: var(--main-color);
    color: white;
    border: none;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
}
.contactUs .container .content textarea {
    height: 195px;
}

@media (max-width: 768px) {
    .contactUs .container .content {
        flex-flow: column wrap;
        gap: 0;
    }
    .contactUs .container .content .left ,
    .contactUs .container .content .right {
        width: 90%;
    }
}

/* grid system */

@media (max-width: 576px) {
    .container {
        max-width: 540px;
    }
}
@media (max-width: 768px) {
    .container {
        max-width: 720px;
    }
}
@media (max-width: 992px) {
    .container {
        max-width: 960px;
    }
}
@media (max-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}
/* footer */
footer {
    width: 100%;
    height: 65px;
    padding: 10px;
    background-color: #333;
}
footer p {
    text-align: center;
    color: rgb(187, 187, 187);
}