:root {
    --main-color: #10cab7;
    /* --secondary-color: #2c4755; */
    --section-color: #eee;
    --section-padding: 60px;
    /* --section-background: #f6f6f6; */
    /* --main-duration: 0.5s; */
}
html {
    scroll-behavior: smooth;
}
* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
body {
    font-family: 'Work Sans', sans-serif;;
}
.container {
    width: 100%;
    padding-left: 15px;
    padding-right: 15px;
    margin: 0 auto;
}
@media (min-width: 767px) {
    .container {
        width: 750px;
    }
}
@media (min-width: 992px) {
    .container {
        width: 970px;
    }
}
@media (min-width: 1200px) {
    .container {
        width: 1170px;
    }
}

header {
    position: relative;
}
header .container{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
}
header .brand .brand-logo{
    width: 81px;
}
header nav .icon button {
    background-color: transparent;
    border: none;
    cursor: pointer;
}
header nav .icon i{
    font-size: 25px;
    opacity: 0.6;

}

header nav .links.active {
    width: 520px;
    height: 100vh;
    list-style: none;
    display: grid;
    grid-template-columns: 1fr;
    row-gap: 5px;
    justify-content: space-between;
    background-color: #37505E;
    padding: 30px;
    position: fixed;
    right: 0;
    top: -16px;
    transition: animation 0.5s ease-in-out;
    animation: move 0.3s;
    z-index: 1;
}
@keyframes move {
    0% {
        width: 0px;
    }
    100% {
        width: 520px;
    }
} 
header nav .links.hidden{
    opacity: 0;
    visibility: hidden;
}
header nav .links.close{
    transition: close 0.5s ease-in-out;
    animation: close 0.3s;
}
@keyframes close {
    0% , 100% {
        display: none;
    }
}
header nav .links li button {
    background-color: transparent;
    border: none;
    cursor: pointer;
    
} 
header nav .links li i{
    color: white;
    font-size: 25px;
    opacity: 0.8;
}
header nav .links li i:hover{
    cursor: pointer;
}
header nav .links li a{
    text-decoration: none;
    text-transform: capitalize;
    font-size: 23px;
    color: white;
}
/* end header */
/* start the main section*/
main {
    background-image: url(../images/mountain.jpg);
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    /* padding-top: 40px; */
    overflow: hidden;
    height: calc(100vh - 51px);
}
main .main-content h1 {
    font-weight: 800;
    font-size: 75px;
    color: var(--main-color);
    text-align: center;
    text-transform: capitalize;
    margin: 0;
}
main .main-content p {
    text-align: center;
    font-size: 15px;
    font-weight: 400;
    margin-top: 1px;
    line-height: 29px;
    color: #2c4755;
}
@media (max-width: 767px) {
    main .main-content h1 {
        font-weight: 800;
        font-size: 50px;
        color: var(--main-color);
        text-align: center;
        text-transform: capitalize;
        margin: 0;
    }
    main .main-content p {
        text-align: center;
        font-size: 10px;
        font-weight: 400;
        margin-top: -3px;
        line-height: 16px;
        color: #2c4755;
    }
}
/* end the main section*/
/* start the features */
.features {
    padding-top: var(--section-padding);
    padding-bottom: var(--section-padding);
    background-color: #FAFAFA;
}
.features .container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}
.features .square-box {
    display: flex;
    flex-direction: column;
    margin-bottom: 30px;
    
}
.features .square-box i{
    color: var(--main-color);
    font-size: 50px;
    align-self: center;
    margin-bottom: 10px;
}
.features .square-box h3{
    text-transform: capitalize;
    text-align: center;
    color: rgba(0, 0, 0, 0.8);
}
.features .square-box p{
    font-size: 15px;
    padding-bottom: 15px;
    letter-spacing: -0.03rem;
    line-height: 1.3rem;
    color: #2C4755;
    text-align: center;
}
.features .square-box:hover {
    cursor: pointer;
}
.features .square-box:hover:first-of-type {
    box-shadow: 3px 3px 6px 0px #eee;
}
.features .square-box:hover:nth-of-type(2) {
    box-shadow: 3px 3px 6px 0px #eee,
                -3px 3px 6px 0px #eee;
}
.features .square-box:hover:last-of-type {
    box-shadow: -3px 3px 6px 0px #eee;
}
/* end the features */
/* start the service */
.service {
    padding-top: var(--section-padding);
    padding-bottom: var(--section-padding);
}
.service .service-content h4 {
    color: var(--section-color);
    font-size: 110px;
    font-weight: 800;
    letter-spacing: -0.3rem;
    text-align: center;
    margin-bottom: -59px;
    margin-top: 0;
}
.service .service-content p {
    text-align: center;
    margin-bottom: 100px;
}
@media (max-width: 767px) {
    .service .service-content h4 {
        font-size: 80px;
        margin-bottom: -48px;

    }
    .service .service-content p {
        font-size: 16px;
    }
}
.service .row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));

}

.service .row .col .srv {
    display: flex;
    margin-bottom: -20px;
}
.service .row .col .srv i {
    color: var(--main-color);
    flex-basis: 60px;
    font-size: 30px;
}

.service .row .col .srv .text {
    flex: 1 1 10px;
}
.service .row .col .srv h3 {
    text-transform: capitalize; 
    font-weight: 800;
    margin: 0 0 20px;

}
.service .row .col .srv p {
    text-align: left;
    font-size: 14px;
    font-weight: 400;
    color: #797979;
    line-height: 1.6;
}
.service .row .col .image {
    text-align: center;
    position: relative;
}

.service .row .col .image::before {
    content: "";
    background-color: #2c4755;
    width: 100px;
    height: calc(100% + 100px);
    top: -50px;
    position: absolute;
    right: 32px;
    z-index: -1;
}
@media (max-width: 767px ){
    .service .srv {
        justify-content: center;
        align-items: center;
        flex-direction: column;
    }
    .service .row .col  .srv i{
        font-size: 35px;
        padding-bottom: 20px;
    }
    .service .row .col  .srv .text h3, 
    .service .row .col  .srv .text p{
        text-align: center;

    }
    .service .row .col .image {
        display: none;
    }
}
/* start portofolio section*/
.portofolio {
    padding-top: var(--section-padding);
    padding-bottom: var(--section-padding);
    background-color: #fafafa;
    overflow: hidden;
}
.portofolio .portofolio-content h4 {
    color: var(--section-color);
    font-size: 110px;
    font-weight: 800;
    letter-spacing: -0.3rem;
    text-align: center;
    margin-bottom: -59px;
    margin-top: 0;
}
.portofolio .portofolio-content p {
    text-align: center;
    margin-bottom: 100px;
}
@media (max-width: 767px) {
    .portofolio .portofolio-content h4 {
        font-size: 80px;
        margin-bottom: -48px;

    }
    .portofolio .portofolio-content p {
        font-size: 16px;
    }
}
.portofolio .portofolio-content .row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    column-gap: 33px;
}
.portofolio .portofolio-content .row .col img {
    min-width: 100%;
}
.portofolio .portofolio-content .col {
    background-color: white;
    margin-bottom: 10px;
}
@media (max-width: 767px) {
    .portofolio .portofolio-content .col {
        margin-bottom: 20px;
    }   
}
.portofolio .portofolio-content .col img {
    max-width: 100%;
}
.portofolio .portofolio-content .col .text {
    padding: 20px;
}
.portofolio .portofolio-content .col .text h3 {
    margin: 0;
    text-transform: capitalize;
    font-weight: 800;
    color: #2C4755;
}
.portofolio .portofolio-content .col .text p {
    color: #2C4755;
    line-height: 1.6;
    margin-bottom: 0;
    text-align: left;
}
/* start about section*/
.about {
    padding-top: var(--section-padding);
    padding-bottom: var(--section-padding);
    overflow: hidden;
}
.about .about-content h4 {
    color: var(--section-color);
    font-size: 110px;
    font-weight: 800;
    letter-spacing: -0.3rem;
    text-align: center;
    margin-bottom: -59px;
    margin-top: 0;
}
.about .about-content p {
    text-align: center;
    margin-bottom: 120px;
    font-size: 22px;
}
.about .about-content .row{
    display: flex;
    justify-content: space-between;

}
@media (max-width: 767px) {
    .about .about-content h4 {
        font-size: 80px;
        margin-bottom: -48px;

    }
    .about .about-content p {
        font-size: 16px;
    }
}
.about .about-content .row .image {
    position: relative;
}
.about .about-content .row .image img {
    box-shadow: -4px 4px 10px rgba(0, 0, 0, 0.3);
}
.about .about-content .row .image::before {
    content: "";
    background-color: #F6F6F6;;
    width: 100px;
    height: calc(100% + 90px);
    position: absolute;
    top: -45px;
    left: -10px;
    z-index: -1;
}
.about .about-content .row .image::after {
    content: "";
    width: 87px;
    height: 200px;
    position: absolute;
    top: -27px;
    right: 109px;
    border-left: 100px solid var(--main-color);
    border-bottom: 100px solid var(--main-color);
    z-index: -1;
    opacity: 0.5;
}
.about .about-content .text {
    display: grid;
    grid-template-rows: 33.33% 33.33% 33.33%;
    justify-content: space-between;
    flex-direction: column;
    align-self: flex-start;
}
.about .about-content .text h4 {
    color: #2C4755;
    font-size: 18px;
    font-weight: 800;
    padding-bottom: 5px;
    letter-spacing: -0.03rem;
    text-align: left;
    line-height: 28px;
}
.about .about-content .text span {
    display: block;
    background-color: var(--main-color);
    width: 50%;
    height: 2px;
    align-self: center;
} 
.about .about-content .text p {
    color: #2C4755;
    font-size: 16px;
    padding-bottom: 15px;
    letter-spacing: -0.03rem;
    line-height: 25px;
    text-align: left;
    align-self: center;
}
@media (max-width: 767px) {
    .about .about-content .row{
        flex-direction: column;
        flex-wrap: wrap;
        align-items: center;
        text-align: center;
}
.about .about-content .text {
    margin-top: 22px;
}
.about .about-content .text h4, 
.about .about-content .text p {
    text-align: center;
}
.about .about-content .text p {
    align-self: baseline;
}
.about .about-content .text span {
    margin: 0 auto;
}
.about .about-content .row .image::before,
.about .about-content .row .image::after {
    display: none;
    }
}
/* contact section */
.contact {
    background-color: #FAFAFA;
    padding-top: var(--section-padding);
    padding-bottom: var(--section-padding);
    overflow: hidden;
    margin-top: 100px;
}
.contact .contact-content h4 {
    color: var(--section-color);
    font-size: 110px;
    font-weight: 800;
    letter-spacing: -0.3rem;
    text-align: center;
    margin-bottom: -59px;
    margin-top: 0;
}
.contact .contact-content p {
    text-align: center;
    margin-bottom: 120px;
    font-size: 22px;
}
.contact .contact-content .row .col{
    display: grid;
    grid-template-columns: 50% 50%;
    justify-content: space-between;
    margin-top: 130px;
}
@media (max-width: 767px) {
    .contact .contact-content h4 {
        font-size: 80px;
        margin-bottom: -48px;

    }
    .contact .contact-content p {
        font-size: 16px;
    }
}

.contact .contact-content .contact-info h1 {
    font-weight: 800;
    font-size: 50px;
}
.contact .contact-content .contact-info h1:first-child {
    font-size: 50px;
    color: #2C4755;
    letter-spacing: -2px;
}
.contact .contact-content .contact-info h1:nth-child(2) a{
    text-decoration: none;
    color: var(--main-color);
}
.contact .contact-content .contact-info h1:nth-child(2) {
    font-size: 40px;
    margin-top: -35px;
}
.contact .contact-content .contact-info p {
    float: left;
    font-size: 15px;
    margin-top: 20px;
}
.contact .contact-content .contact-info .icon {
    width: 19%;
    list-style: none;
    display: inline-flex;
    justify-content: space-between;
    align-items: baseline;
}
.contact .contact-content .contact-info .icon i {
    font-size: 23px;
    color: #2C4755;
}
.contact .contact-content .contact-info .icon i:hover {
    color: var(--main-color);
}
@media (max-width: 767px) {
    .contact .contact-content .contact-info .icon { 
    width: 32%;
    }
.contact .contact-content .contact-info h1:first-child {
    font-size: 30px;
    color: #2C4755;
    letter-spacing: -2px;
}
    .contact .contact-content .contact-info h1:nth-child(2) a{
        text-decoration: none;
        color: var(--main-color);
    }
    .contact .contact-content .contact-info h1:nth-child(2) {
        font-size: 20px;
        margin-top: -10px;
    }
}
footer {
    padding: 20px;
    background-color: #2C4755;
}
footer p {
    text-align: center;
    font-weight: 800;
    color: white;
    text-transform: capitalize;
}
footer p  span{
    color: var(--main-color);
}