:root {
    --dark: #19283f;
    --side: #33d1cc;
    --secandry-color: #ff3150;
    --secandry-side-color: #ffc400;
    --highlight-color: #eff7fa;
}

body {
    font-family: "Roboto", sans-serif;
}

.main-btn {
    background-color: var(--secandry-color);
    color: var(--secandry-side-color);
    padding: 0.5rem 1rem;
}

.main-btn:hover {
    color: var(--secandry-side-color);
}

/* start Navbar  */
.navbar {
    background-color: var(--dark);
}

.navbar .navbar-nav .nav-link {
    color: #fff;
}

.navbar .navbar-nav .nav-link.active,
.navbar .navbar-nav .nav-link:hover,
.navbar .navbar-nav .nav-link:focus {
    color: var(--side);
}

.navbar .search {
    color: var(--side);
    border-left: 1px solid var(--side);
}

.navbar .navbar-toggler {
    color: #fff;
    font-size: 25px;
    border-color: #fff;
}

.navbar .navbar-toggler:focus {
    box-shadow: none;
}

.navbar .navbar-toggler[aria-expanded="true"] {
    border-color: var(--side);
}

/* end Navbar  */
/* start landing */
.landing {
    background-color: var(--dark);
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
}
/* end landing */
/* start main title */
.main-title::after {
    content: "";
    height: 2px;
    width: 120px;
    background-color: var(--side);
    position: absolute;
    /* bottom: -20px; */
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
}
/* end main title */
/* start Features */
.feature {
    position: relative;
    padding: 12rem 1rem 0 1rem;
}
.features .feat-num {
    color: var(--highlight-color);
    font-size: 12rem;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    top: 0;
}
.features .feat-shape {
    color: var(--side);
    font-size: 4rem;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    top: 8rem;
}
.feat-title {
    color: var(--secandry-side-color);
    font-weight: bold;
}
/* end Features */
/* start Portfolio */
.portfolio {
    background-color: var(--highlight-color);
}
.portfolio .nav-link:not(.main-btn) {
    color: #212529;
}
.portfolio .nav-link:hover:not(.main-btn) {
    color: var(--secandry-color);
}

.portfolio .img-container {
    position: relative;
    height: 100%;
    width: 100%;
    overflow: hidden;
}
.portfolio .img-container::before {
    content: "Application";
    position: absolute;
    width: calc(100% - 10px);
    height: calc(100% - 10px);
    left: 5px;
    top: 5px;
    background-color: var(--side);
    opacity: 0.85;
    color: #fff;
    font-weight: bold;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99;
    transition: 0.3s;
    -webkit-transition: 0.3s;
    -moz-transition: 0.3s;
    -ms-transition: 0.3s;
    -o-transition: 0.3s;
    transform: translateX(calc(-100% - 5px));
    -webkit-transform: translateX(calc(-100% - 5px));
    -moz-transform: translateX(calc(-100% - 5px));
    -ms-transform: translateX(calc(-100% - 5px));
    -o-transform: translateX(calc(-100% - 5px));
}

.portfolio .img-container:hover::before {
    transform: translateX(0);
    -webkit-transform: translateX(0);
    -moz-transform: translateX(0);
    -ms-transform: translateX(0);
    -o-transform: translateX(0);
}

/* end Portfolio */
/* start About */
.about .description {
    max-width: 500px;
    margin: 0 auto 3rem;
}

@media only screen and (max-width: 800px) {
    .about-left-col {
        /* display: flex;
        flex-direction: column;
        text-align: center;
        justify-content: center;
        align-items: center; */
        margin: 1rem auto 1rem;
        max-width: 700px;
    }
    .about-right-col img {
        max-width: 450px;
    }
}
@media only screen and (max-width: 500px) {
    .about-right-col img {
        max-width: 250px;
    }
}
/* end About */

/* Start Team */
.team {
    background: var(--highlight-color);
}
.team .team-title {
    color: var(--secandry-side-color);
}

.team .cards {
    margin-bottom: 3rem;
}

.team .card {
    background-color: var(--highlight-color);
    padding: 0 0.7rem;
    margin: 0 0 1rem;
    border: none;
}

.team .cards .card,
.team .card-img-top {
    border-radius: 0;
    -webkit-border-radius: 0;
    -moz-border-radius: 0;
    -ms-border-radius: 0;
    -o-border-radius: 0;
}

.team .cards .card-body {
    padding: 0;
    background-color: #fff;
}

.team .cards .card-title {
    background-color: var(--side);
    margin: 0;
    color: #fff;
    font-size: 1.5rem;
    padding: 1rem 0;
}
/* End Team */

/* Start CTA */
.cta {
    background-color: var(--dark);
    color: #fff;
}
/* End CTA */

/* Start subscribe */
.subscribe {
    background-color: var(--secandry-side-color);
}

.subscribe-btn {
    background-color: var(--dark);
    color: var(--secandry-side-color);
}

.subscribe-email {
    font-weight: bold;
    border: none;
    border-bottom: 1px solid #fff;
    border-radius: 0;
    background-color: var(--secandry-side-color);
    -webkit-border-radius: 0;
    -moz-border-radius: 0;
    -ms-border-radius: 0;
    -o-border-radius: 0;
    transition: 1s;
    -webkit-transition: 1s;
    -moz-transition: 1s;
    -ms-transition: 1s;
    -o-transition: 1s;
    color: #fff;
    width: 100%;
}

.subscribe-email::placeholder {
    color: #fff;
}

.subscribe-email:focus {
    background-color: var(--secandry-side-color);
    color: #fff;
    outline: none;
}

/* End subscribe */
/* Start Footer */
footer {
    background: var(--dark);
}

footer .social-links svg {
    border: 1px solid transparent;
    color: #fff;
    padding: 0.5rem;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
}

footer .social-links svg:hover {
    background-color: transparent;
    border: 1px solid #fff;
}

footer .social-links .facebook {
    background: #1877f2;
}
footer .social-links .twitter {
    background: #1da1f2;
}
footer .social-links .linkedin {
    background: #0077b5;
}
footer .social-links .youtube {
    background: #ff0000;
}
/* end Footer */