* {
    box-sizing: border-box;
}

:root {
    --main-color: #ff9800;
}

body {
    font-family: "Work Sans", sans-serif;
    margin: 0;
    padding: 0;
}

/* start setting box */
.setting-box {
    position: fixed;
    left: -250px;
    top: 0;
    background-color: #ffffff;
    width: 250px;
    z-index: 120;
    min-height: 100vh;
    transition: left 0.5s ease;
}

.container {
    width: 100%;
    padding-left: 15px;
    padding-right: 15px;
    margin: auto;
}

.setting-box.open {
    left: 0;
}

.toggle-setting {
    position: absolute;
    top: 100px;
    right: -30px;
    background-color: #fff;
    padding: 8px;
    width: 30px;
    border-bottom-right-radius: 10px;
    border-top-right-radius: 10px;
    text-align: center;
    cursor: pointer;
}

.fa-gear {
    width: 30px;
    position: relative  ;
    left: -10px;
    transition: transform 0.5s ease;
}

.fa-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.setting-box .option-box {
    padding: 20px;
    text-align: center;
    background-color: #cbcbcb;
    margin: 10px;
    border-radius: 10px;
}

.setting-box .option-box h4 {
    margin: 0;
    color: #666;
}

.setting-box .option-box .colors-list {
    list-style: none;
    text-align: center;
    padding: 0;
}

.setting-box .option-box .colors-list li {
    width: 24px;
    height: 24px;
    background-color: #111;
    border-radius: 50%;
    cursor: pointer;
    opacity: .5;
    display: inline-block;
    transition: .5s;
}

.setting-box .option-box .colors-list li.active {
    opacity: 1;
    border: 4px solid #777;
}

.setting-box .option-box .colors-list li:first-child {
    background-color: #ff9800;
}

.setting-box .option-box .colors-list li:nth-child(2) {
    background-color: greenyellow;
}

.setting-box .option-box .colors-list li:nth-child(3) {
    background-color: goldenrod;
}

.setting-box .option-box .colors-list li:nth-child(4) {
    background-color: blue;
}

.setting-box .option-box .colors-list li:nth-child(5) {
    background-color: red;
}

.setting-box .option-box .yes,
.setting-box .option-box .no {
    width: 50px;
    font-size: 14px;
    font-weight: bold;
    background-color: var(--main-color);
    color: #fff;
    display: inline-block;
    margin-top: 20px;
    cursor: pointer;
    border-radius: 5px;
    opacity: 0.5;
    text-align: center;
    transition: 0.3s;
    padding: 5px;
}

.setting-box .option-box span.active {
    opacity: 1;
}

/* end setting box */

/* start nav bullets */
.nav-bullets {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    z-index: 1000;
    padding-bottom: 10px;
}

.nav-bullets .bullet {
    width: 20px;
    height: 20px;
    border: 3px solid var(--main-color);
    margin: 10px auto;
    border-radius: 50%;
    cursor: pointer;
    position: relative;
}

.nav-bullets .bullet .tooltip {
    background-color: transparent;
    color: transparent;
    padding: 4px 10px;
    width: 0;
    position: absolute;
    right: 36px;
    cursor: default;
    pointer-events: none;
    transition: .5s;
    border-radius: 4px;
    overflow: hidden;
    white-space: nowrap;
}

.nav-bullets .bullet:hover .tooltip {
    width: 130px;
    background-color: var(--main-color);
    color: #FFF;
}

.nav-bullets .bullet:hover .tooltip::before {
    border-color: transparent transparent transparent var(--main-color);
}

.nav-bullets .bullet .tooltip::before {
    content: '';
    position: absolute;
    border-color: transparent transparent transparent transparent;
    border-style: solid;
    border-width: 12px;
    right: -24px;
    top: 0;
}

/* end nav bullets */

/* start landing page */
.landing-page {
    min-height: 100vh;
    background-image: url(/imgs/01.jpg);
    background-size: cover;
    position: relative;
}

.landing-page .overlay {
    background-color: #000;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    opacity: .5;
}

.header-area {
    position: relative;
    z-index: 2;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.header-area .logo {
    padding: 15px;
    font-size: 24px;
    font-weight: bold;
}

.links-container {
    display: flex;
    align-items: center;
}

.header-area .links {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.header-area .toggle-menu {
    background: none;
    border: none;
    width: 40px;
    cursor: pointer;
    display: none;
    flex-direction: column;
    justify-content: space-between;
    height: 30px;
    z-index: 3;
}

.header-area .toggle-menu:focus {
    outline: none;
}

.header-area .toggle-menu span {
    display: block;
    background-color: #fff;
    height: 4px;
    width: 100%;
    transition: all 0.3s ease;
}

.header-area .links li {
    margin-left: 20px;
    position: relative;
}

.header-area .links li a {
    color: #fff;
    text-decoration: none;
    transition: .3s;
    padding: 5px 10px;
    display: block;
    cursor: pointer;
    font-weight: bold;
}

.header-area .links li::before {
    content: '';
    width: 0;
    height: 3px;
    background-color: var(--main-color);
    position: absolute;
    bottom: -5px;
    transition: .3s;
    z-index: 3;
}

.header-area .links li:hover::before {
    width: 100%;
}

.header-area .links li a:hover,
.header-area .links li a.active {
    color: var(--main-color);
}

.introduction-text {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    color: #fff;
    text-align: center;
    width: 95%;
}

.introduction-text h1 {
    margin-bottom: 20px;
    font-size: 40px;
}

.introduction-text h1 span {
    color: var(--main-color);
}

.introduction-text p {
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Responsive for landing page */
@media (max-width: 991px) {
    .header-area .links {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        width: 250px;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.9);
        flex-direction: column;
        padding: 80px 20px 20px;
        z-index: 2;
    }
    
    .header-area .links.open {
        display: flex;
    }
    
    .header-area .links li {
        margin: 10px 0;
        width: 100%;
    }
    
    .header-area .links li a {
        padding: 10px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .header-area .toggle-menu {
        display: flex;
    }
    
    .introduction-text h1 {
        font-size: 32px;
    }
}

@media (max-width: 575px) {
    .header-area .logo {
        font-size: 20px;
    }
    
    .introduction-text h1 {
        font-size: 26px;
    }
    
    .introduction-text p {
        font-size: 14px;
    }
}
/* end landing page */

/* start about us */
.about-us {
    padding: 80px 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.about-us .info-box {
    flex: 1;
    min-width: 300px;
}

.about-us .info-box h2 {
    font-size: 30px;
    color: var(--main-color);
    margin-bottom: 20px;
}

.about-us .info-box p {
    line-height: 1.6;
    color: #666;
    font-size: 18px;
}

.about-us .image-box {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.about-us .image-box img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    position: relative;
    animation: move-top 5s linear infinite;
}

@keyframes move-top {
    0% {
        top: 0;
    }
    50% {
        z-index: -2;
        filter: drop-shadow(0 6px 6px rgba(0, 0, 0, 1));
        top: -40px;
        transform: scale(1.1);
    }
    100% {
        top: 0;
    }
}

@media (max-width: 768px) {
    .about-us {
        flex-direction: column;
        text-align: center;
        padding: 50px 0;
    }
    
    .about-us .info-box,
    .about-us .image-box {
        width: 100%;
    }
}
/* end about us */

/* start skills */
.skills {
    padding: 80px 0;
    background-color: #eee;
}

.skills h2 {
    font-weight: bold;
    font-size: 30px;
    color: var(--main-color);
    text-align: center;
    margin-bottom: 50px;
}

.skills .skills-box {
    background-color: #fff;
    display: flex;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.skills-box .skill-name {
    font-weight: bold;
    width: 140px;
    text-align: center;
    line-height: 30px;
}

.skills-box .skill-progress {
    background-color: #f6f6f6;
    border-radius: 6px;
    width: calc(100% - 150px);
    height: 30px;
    position: relative;
    overflow: hidden;
}

.skills-box .skill-progress span {
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background-color: var(--main-color);
    transition: all .5s;
}

@media (max-width: 767px) {
    .skills .skills-box {
        flex-direction: column;
    }
    
    .skills-box .skill-name {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .skills-box .skill-progress {
        width: 100%;
    }
}
/* end skills */

/* start gallery */
.gallery {
    padding: 80px 0;
}

.gallery h2 {
    font-weight: bold;
    font-size: 30px;
    color: var(--main-color);
    margin: 0 0 50px;
    text-align: center;
}

.gallery .images-box {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    
}
.gallery .images-box .box{
overflow: hidden;
}

.gallery .images-box img {
    width: 100%;
    padding: 3px;
    background-color: #f6f6f6;
    border: 1px solid #ccc;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery .images-box img:hover {
    transform: scale(1.9);
}

.popup-overlay {
    position: fixed;
    background-color: rgba(0, 0, 0, .7);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

.popup-box {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 20px;
    z-index: 1001;
    max-width: 90%;
    max-height: 90%;
    /* overflow: auto; */
}

.popup-box img {
    max-width: 100%;
}

.popup-box h3 {
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
    color: var(--main-color);
}

.close-button {
    position: absolute;
    top: -15px;
    right: -15px;
    background-color: var(--main-color);
    cursor: pointer;
    color: #fff;
    width: 40px;
    height: 40px;
    text-align: center;
    font-weight: bold;
    line-height: 40px;
    font-size: 20px;
    font-family: Arial, Helvetica, sans-serif;
    border-radius: 50%;
}

@media (max-width: 768px) {
    .gallery .images-box {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
    }
}
/* end gallery */

/* start timeline */
.timeline {
    padding: 80px 0;
    background-color: #eee;
}

.timeline .timeline-content {
    position: relative;
    overflow: hidden;
}

.timeline .timeline-content::before {
    content: '';
    width: 2px;
    height: 100%;
    background-color: var(--main-color);
    position: absolute;
    left: 50%;
    margin-left: -1px;
    top: 0;
}

.timeline .timeline-content .year {
    margin: 20px auto;
    width: 50px;
    background-color: var(--main-color);
    position: relative;
    z-index: 2;
    border-radius: 4px;
    text-align: center;
    color: #fff;
    padding: 2px 5px;
    font-weight: bold;
}

.timeline .timeline-content .left,
.timeline .timeline-content .right {
    width: calc(50% - 25px);
    margin-bottom: 40px;
    position: relative;
}

.timeline .timeline-content .left::before {
    content: '';
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: #fff;
    border: 3px solid var(--main-color);
    position: absolute;
    right: -34px;
    margin-left: -1px;
    top: 10px;
}

.timeline .timeline-content .right::before {
    content: '';
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: #fff;
    border: 3px solid var(--main-color);
    position: absolute;
    left: -34px;
    margin-left: -1px;
    top: 10px;
}

.timeline .timeline-content .left {
    float: left;
}

.timeline .timeline-content .right {
    float: right;
}

.timeline .timeline-content .content {
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.timeline .timeline-content .content h3 {
    font-weight: bold;
    color: var(--main-color);
}

.timeline .timeline-content .content p {
    color: #666;
    margin: 0;
    line-height: 1.5;
}

.clearfix {
    clear: both;
}

.timeline .timeline-content .left .content:before {
    content: '';
    border-style: solid;
    border-width: 10px;
    border-color: transparent transparent transparent #fff;
    height: 0;
    width: 0;
    position: absolute;
    right: -19px;
    top: 12px;
}

.timeline .timeline-content .right .content:before {
    content: '';
    border-style: solid;
    border-width: 10px;
    border-color: transparent #fff transparent transparent;
    height: 0;
    width: 0;
    position: absolute;
    left: -19px;
    top: 12px;
}

@media (max-width: 767px) {
    .timeline .timeline-content .left,
    .timeline .timeline-content .right {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .timeline .timeline-content::before {
        left: 10px;
    }
    
    .timeline .timeline-content .left::before,
    .timeline .timeline-content .right::before {
        left: 4px;
        right: auto;
    }
    
    .timeline .timeline-content .left .content:before,
    .timeline .timeline-content .right .content:before {
        display: none;
    }
}
/* end timeline */

/* start features */
.feature {
    padding: 80px 0;
}

.feature h2 {
    font-weight: bold;
    font-size: 30px;
    color: var(--main-color);
    margin: 0 0 50px;
    text-align: center;
}

.feature .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature .feat-box {
    background: white;
    padding: 30px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature .feat-box:hover {
    transform: translateY(-5px);
}

.feature .feat-box img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    transition: transform 0.5s ease;
}

.feature .feat-box:hover img {
    transform: scale(1.5);
}

.feature .feat-box h4 {
    color: #333;
    font-weight: bold;
    font-size: 22px;
    margin-bottom: 15px;
    position: relative;
}

.feature .feat-box h4::before {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background-color: var(--main-color);
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.feature .feat-box:hover h4::before {
    width: 80px;
}

.feature .feat-box p {
    color: #666;
    line-height: 1.6;
    margin-top: 15px;
}

@media (max-width: 768px) {
    .feature {
        padding: 50px 0;
    }
    
    .feature .container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}
/* end features */

/* start testimonials */

    .testimonials {
        position: relative;
        padding: 100px 0;
        overflow: hidden;
        background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    }
    
    .testimonials::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 50%;
        height: 100%;
        background-color: var(--main-color);
        z-index: 1;
        clip-path: polygon(0 0, 100% 0, 85% 100%, 0% 100%);
    }
    
    .testimonials::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 50%;
        height: 100%;
        background-color: var(--secondary-color);
        z-index: 1;
        clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
    }
    
    .testimonials .container {
        position: relative;
        z-index: 2;
    }
    
    .testimonials h2 {
        font-weight: bold;
        font-size: 42px;
        color: #fff;
        margin: 0 0 60px;
        text-align: center;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    }
    
    .testimonials-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 30px;
    }
    
    .testimonials .ts-box {
        background-color: #fff;
        padding: 30px;
        border-radius: 15px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transition: all 0.4s ease;
        position: relative;
        overflow: hidden;
        cursor: pointer;
    }
    
    
    .testimonials .ts-box:hover {
        transform: translateY(-15px) scale(1.03);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    }
    
    .testimonials .ts-box::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, var(--main-color) 0%, transparent 70%);
        opacity: 0;
        transition: opacity 0.4s ease;
        z-index: 0;
        border-radius: 15px;
    }
    
    .testimonials .ts-box:hover::before {
        opacity: 0.1;
    }
    
    .testimonials .ts-box > p {
        margin: 0 0 25px;
        line-height: 1.7;
        font-size: 16px;
        color: var(--text-color);
        font-style: italic;
        border-left: 3px solid var(--main-color);
        padding-left: 15px;
        position: relative;
        z-index: 1;
        transition: all 0.4s ease;
    }
    
    .testimonials .ts-box:hover > p {
        color: #555;
        transform: translateX(5px);
    }
    
    .testimonials .ts-box .person-info {
        display: flex;
        align-items: center;
        gap: 15px;
        position: relative;
        z-index: 1;
    }
    
    .testimonials .ts-box .person-info img {
        width: 70px;
        height: 70px;
        border-radius: 50%;
        object-fit: cover;
        border: 3px solid transparent;
        transition: all 0.4s ease;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .testimonials .ts-box:hover .person-info img {
        border-color: var(--main-color);
        transform: scale(1.1) rotate(5deg);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    }
    
    .testimonials .ts-box .person-info h4 {
        margin: 0 0 5px;
        color: #333;
        font-size: 18px;
        transition: all 0.4s ease;
    }
    
    .testimonials .ts-box:hover .person-info h4 {
        color: var(--main-color);
        transform: translateX(5px);
    }
    
    .testimonials .ts-box .person-info p {
        color: var(--text-color);
        margin: 0;
        font-size: 14px;
        transition: all 0.4s ease;
    }
    
    .testimonials .ts-box:hover .person-info p {
        transform: translateX(5px);
    }
    
    .testimonials .ts-box::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 5px;
        background: linear-gradient(90deg, var(--main-color), var(--secondary-color));
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.4s ease;
    }
    
    .testimonials .ts-box:hover::after {
        transform: scaleX(1);
    }
    
    
    .testimonials .ts-box .quote-icon {
        position: absolute;
        top: 20px;
        right: 20px;
        font-size: 40px;
        color: rgba(0, 0, 0, 0.05);
        transition: all 0.4s ease;
    }
    
    .testimonials .ts-box:hover .quote-icon {
        color: var(--main-color);
        transform: scale(1.2) rotate(10deg);
    }
    
    
    .testimonials .ts-box .inner-shadow {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        box-shadow: inset 0 0 0 0 rgba(0, 0, 0, 0.1);
        border-radius: 15px;
        transition: box-shadow 0.4s ease;
        pointer-events: none;
    }
    
    .testimonials .ts-box:hover .inner-shadow {
        box-shadow: inset 0 0 30px 0 rgba(0, 0, 0, 0.1);
    }
    
    
    .testimonials .ts-box:nth-child(1):hover {
        background: linear-gradient(135deg, #fff 0%, #f9f9f9 100%);
    }
    
    .testimonials .ts-box:nth-child(2):hover {
        background: linear-gradient(135deg, #fff 0%, #f0f8ff 100%);
    }
    
    .testimonials .ts-box:nth-child(3):hover {
        background: linear-gradient(135deg, #fff 0%, #fffaf0 100%);
    }
    
    
    @keyframes subtleShake {
        0%, 100% { transform: translateX(0) translateY(-15px) scale(1.03); }
        25% { transform: translateX(-2px) translateY(-15px) scale(1.03); }
        75% { transform: translateX(2px) translateY(-15px) scale(1.03); }
    }
    
    .testimonials .ts-box:hover {
        animation: subtleShake 0.5s ease;
    }
    
    
    @media (max-width: 768px) {
        .testimonials {
            padding: 60px 0;
        }
        
        .testimonials::before,
        .testimonials::after {
            width: 100%;
            height: 50%;
            clip-path: polygon(0 0, 100% 0, 100% 85%, 0% 100%);
        }
        
        .testimonials::after {
            top: 50%;
            clip-path: polygon(0 15%, 100% 0, 100% 100%, 0% 100%);
        }
        
        .testimonials h2 {
            font-size: 32px;
            margin-bottom: 40px;
        }
        
        .testimonials-content {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        
        .testimonials .ts-box:hover {
            transform: translateY(-10px) scale(1.02);
        }
    }
    
/* end testimonials */

/* start contact */
.contact {
    min-height: 600px;
    background-image: url(/imgs/contact.png);
    background-size: cover;
    padding: 80px 0;
    padding-top: 80px;
    position: relative;
}

.contact .overlay {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, .7);
}
.contact .container{
    padding: 80px 0;
}
.contact h2 {
    font-weight: bold;
    font-size: 30px;
    color: var(--main-color);
    text-align: center;
    margin: 0 0 60px;
    position: relative;
    z-index: 2;
}

.contact form {
    overflow: hidden;
    max-width: 800px;
    margin: auto;
    position: relative;
    z-index: 2;
}

.contact form .left {
    float: left;
    width: 49%;
}

.contact form .right {
    float: right;
    width: 49%;
}

.contact form input:not([type='submit']),
.contact form textarea {
    display: block;
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    background-color: rgba(218, 218, 218, .19);
    border-radius: 4px;
}

.contact form input:not([type='submit']):focus,
.contact form textarea:focus {
    outline: 1px solid var(--main-color);
}

.contact form input {
    height: 40px;
}

.contact form textarea {
    height: 150px;
    resize: vertical;
}

.contact form input[type='submit'] {
    padding: 10px;
    width: 100%;
    border-color: transparent;
    background-color: var(--main-color);
    color: #fff;
    cursor: pointer;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.contact form input[type='submit']:hover {
    background-color: #e68900;
}

@media (max-width: 767px) {
    .contact form .left,
    .contact form .right {
        float: none;
        width: 100%;
    }
}
/* end contact */

/* start grid system */
@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}
/* end grid system */
.footer {
            text-align: center;
            padding: 20px;
            background-color: #333;
            color: var(--main-color);
            font-weight: bold;
            font-size: 20px;
            margin: 0;
        }