/* General settings */
    
    @font-face {
        font-family: 'HP Simplified';
        src: url('../../fonts/hp-simplified.ttf');
    }
    
    @font-face {
        font-family: 'Nunito';
        src: url('../../fonts/Nunito-Bold.ttf');
    }
    
    html,
    body {
        height: 100%;
        color: #666666;
        font-family: "HP Simplified";
        -webkit-font-smoothing: antialiased;
        margin: 0;
    }
    
    a {
        list-style: none;
        text-decoration: none;
        color: black;
        transition: color 0.3s linear;
    }
    
    a:hover {
        opacity: 0.8;
        cursor: pointer;
        color: red;
        font-weight: bold;
        transition: color 0.3s linear;
    }
    
    #section-title {
        width: 100%;
        display: inline-block;
        color: black;
        font-size: 48px;
        font-weight: bold;
        text-align: center;
    }
    /* To top button */
    
    #goontopbtn {
        display: inline-block;
        background-color: red;
        color: white;
        width: 50px;
        height: 50px;
        text-align: center;
        border-radius: 4px;
        position: fixed;
        bottom: 30px;
        right: 30px;
        transition: background-color .3s, opacity .5s, visibility .5s;
        opacity: 0;
        visibility: hidden;
        z-index: 1000;
    }
    
    #goontopbtn::after {
        font-weight: normal;
        font-style: normal;
        font-size: 2em;
        line-height: 50px;
        color: #fff;
    }
    
    #goontopbtn:hover {
        cursor: pointer;
        background-color: #333;
    }
    
    #goontopbtn:active {
        background-color: #555;
    }
    
    #goontopbtn.show {
        opacity: 1;
        visibility: visible;
    }
    /* Header section */
    
    .header-container {
        background: url(../images/MantaHeader.png) no-repeat center center;
        -webkit-background-size: cover;
        -moz-background-size: cover;
        -o-background-size: cover;
        background-size: cover;
        width: 100%;
        height: 100%;
    }
    /* -- Navigation bar */
    
    .nav-container {
        height: 60px;
        width: 100%;
        position: fixed;
        color: black;
        letter-spacing: 0.025em;
        transition: background-color 0.2s linear;
        z-index: 99;
    }
    
    .nav-container.solid-nav {
        background-color: rgb(129, 236, 249);
        transition: background-color 0.2s linear;
    }
    
    .nav-container .nav-row {
        width: 100%;
        margin: 0 auto;
        padding-right: 25px;
        padding-left: 25px;
        padding-top: 18px;
    }
    
    .nav-container .nav-row .nav-logo {
        display: inline-block;
    }
    
    .nav-container .nav-row .nav-controls {
        float: right;
        padding-right: 50px;
    }
    
    .nav-container .nav-row .nav-controls a {
        padding-left: 10px;
    }
    
    .link-wrapper {
        position: relative;
        display: inline;
        padding: 10px 0;
    }
    
    .nav-buttons:before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 100%;
        height: 3px;
        background-color: red;
        transform: scaleX(0);
        transition: transform 0.3s;
    }
    
    .nav-buttons:after {
        content: '';
        position: absolute;
        bottom: 0;
        right: 0;
        width: 100%;
        height: 3px;
        background-color: red;
        transform: scaleX(0);
        transition: transform 0.3s;
    }
    
    .nav-buttons:hover:before,
    .nav-buttons:hover:after {
        transform: scaleX(1);
    }
    
    @media screen and (max-width: 500px) {
        div.nav-hiding {
            display: none;
        }
    }
    /* -- Header grid */
    
    .header-grid {
        display: grid;
        width: 100%;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 1fr 150px 150px;
        grid-gap: 1rem;
        grid-template-areas: "slide-right-title header-image""slide-right-desc header-image""action-container";
    }
    /* -- Header slider */
    
    .slide-right-title {
        grid-area: slide-right-title;
        grid-row: 1 / 2;
        grid-column: 1 / 2;
        width: 100%;
        max-width: 750px;
        overflow: hidden;
        margin-left: 30px;
        padding-top: 100px;
    }
    
    .slide-right-title h1 {
        font-family: 'Nunito';
        color: black;
        font-size: 72px;
        animation: 2s slide-right-title 0.5s forwards;
        transform: translateX(-100%);
    }
    
    @keyframes slide-right-title {
        to {
            transform: translateX(0);
        }
    }
    
    .slide-right-desc {
        grid-area: slide-right-desc;
        grid-row: 2 / 3;
        grid-column: 1 / 2;
        width: 100%;
        max-width: 750px;
        overflow: hidden;
        margin-left: 30px;
    }
    
    .slide-right-desc h2 {
        font-family: 'Nunito';
        color: black;
        animation: 2s slide-right-desc 2s forwards;
        transform: translateX(-100%);
    }
    
    @keyframes slide-right-desc {
        to {
            transform: translateX(0);
        }
    }
    /* -- Header image */
    
    .header-image {
        grid-area: header-image;
        grid-row: 1 / 3;
        grid-column: 2 / 3;
        width: 100%;
        overflow: hidden;
        padding-top: 150px;
    }
    
    @media screen and (max-width: 900px) {
        div.header-image {
            display: none;
        }
        .slide-right-title {
            grid-column: 1 / 3;
            height: 100px;
            padding-top: 100px;
            margin-left: 48px;
        }
        .slide-right-title h1 {
            font-size: 36px;
        }
        .slide-right-desc {
            grid-column: 1 / 3;
            height: 130px;
            margin-left: 30px;
            font-size: 11px;
        }
    }
    /* -- Pulse button */
    
    .action-container {
        grid-area: action-container;
        grid-row: 3 / 4;
        grid-column: 1 / 3;
        width: 100%;
        height: 200px;
        margin: 0 auto 0;
        perspective: 1000;
        -webkit-perspective: 1000;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }
    
    .pulse-button {
        position: relative;
        top: 50%;
        left: 50%;
        margin-left: -50px;
        margin-top: 30px;
        display: block;
        width: 100px;
        height: 100px;
        font-size: 1.3em;
        font-weight: light;
        text-transform: uppercase;
        text-align: center;
        line-height: 100px;
        letter-spacing: -1px;
        color: white;
        border: none;
        border-radius: 50%;
        background: red;
        cursor: pointer;
        box-shadow: 0 0 0 0 rgba(254, 0, 0, 0.5);
        animation: pulse 1.5s infinite;
        -webkit-animation: pulse 1.5s infinite;
    }
    
    .pulse-button:hover {
        animation: none;
        -webkit-animation: none;
    }
    
    @keyframes pulse {
        0% {
            -moz-transform: scale(0.9);
            -ms-transform: scale(0.9);
            -webkit-transform: scale(0.9);
            transform: scale(0.9);
        }
        70% {
            -moz-transform: scale(1);
            -ms-transform: scale(1);
            -webkit-transform: scale(1);
            transform: scale(1);
            box-shadow: 0 0 0 50px rgba(90, 153, 212, 0);
        }
        100% {
            -moz-transform: scale(0.9);
            -ms-transform: scale(0.9);
            -webkit-transform: scale(0.9);
            transform: scale(0.9);
            box-shadow: 0 0 0 0 rgba(90, 153, 212, 0);
        }
    }
    /* Section container */
    
    .container {
        padding-top: 100px;
        padding-bottom: 100px;
        padding-left: 30px;
        padding-right: 30px;
        background: linear-gradient(0, #fff 50%, #ccf2f5);
    }
    
    .parallax {
        background-image: url("../images/MantaSection.png");
        background-attachment: fixed;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
    }
    
    .row {
        max-width: 1200px;
        margin: 0 auto;
    }
    /* Section styled features */
    
    .cards-container {
        list-style: none;
        padding: 0;
        margin: 0;
        margin: auto;
    }
    
    @media (min-width: 788px) {
        .cards-container {
            width: 728px;
        }
        .cards-container::after {
            content: "";
            clear: both;
            display: table;
        }
    }
    
    @media (min-width: 1166px) {
        .cards-container {
            width: 1106px;
        }
    }
    /* -- Feature Card Class */
    
    [class$='feature-card'] {
        position: relative;
        box-sizing: border-box;
        width: 350px;
        height: 250px;
        margin: 0;
        padding: 32px;
        border-radius: 10px;
        border-top: solid 5px black;
        box-shadow: 2px 5px 20px rgb(0, 0, 0, 0.1);
    }
    /* -- Inner Elements */
    
    [class$='feature-card'] h2,
    [class$='feature-card'] p {
        margin: 0;
    }
    
    [class$='feature-card'] img {
        position: absolute;
        bottom: 32px;
        right: 32px;
    }
    /* -- Top Border Colors Rules */
    
    [class$='feature-card'][class*='cyan'] {
        border-color: hsl(180, 62%, 55%);
    }
    
    [class$='feature-card'][class*='red'] {
        border-color: hsl(0, 78%, 62%);
    }
    
    [class$='feature-card'][class*='orange'] {
        border-color: hsl(34, 97%, 64%);
    }
    
    [class$='feature-card'][class*='blue'] {
        border-color: hsl(212, 86%, 64%);
    }
    /* -- Responsive Layout Rules */
    
    @media (min-width: 788px) {
        [class$='feature-card'] {
            float: left;
        }
        @media (min-width: 1166px) {
            [class$='feature-card']:first-child {
                margin: 140px 0;
            }
            [class$='feature-card']:nth-child(2),
            [class$='feature-card']:nth-child(3) {
                margin: 0 22px;
            }
            [class$='feature-card']:last-child {
                margin-top: -110px;
            }
            [class$='feature-card']:nth-child(3) {
                margin-top: 30px;
            }
        }
        @media (max-width: 1165px) {
            [class$='feature-card']:nth-child(3),
            [class$='feature-card']:nth-child(4) {
                margin-top: 30px;
            }
            [class$='feature-card']:nth-child(2),
            [class$='feature-card']:nth-child(4) {
                margin-left: 28px;
            }
        }
    }
    
    @media (max-width: 787px) {
        [class$='feature-card'] {
            width: 300px;
            height: 220px;
            margin: auto;
        }
        [class$='feature-card']:not(:first-child) {
            margin-top: 22px;
        }
    }
    /* Section features */
    
    .features-inner {
        padding: 2rem;
    }
    
    @media (min-width: 600px) {
        .features-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-row-gap: 0;
        }
    }
    
    @media (min-width: 800px) {
        .features-inner {
            grid-template-columns: 1fr 2fr;
        }
    }
    
    @media (min-width: 900px) {
        .features-inner {
            grid-template-columns: repeat(3, 1fr);
            max-width: 1000px;
            margin: 0 auto;
        }
    }
    
    .features-image {
        text-align: center;
        margin-bottom: 2rem;
    }
    
    @media (min-width: 600px) {
        .features-image {
            grid-row: 1/span 2;
        }
    }
    
    @media (min-width: 900px) {
        .features-image {
            grid-column: 2;
        }
    }
    
    .features-image img {
        -webkit-filter: drop-shadow(1px 1px 20px rgba(0, 0, 0, 0.4));
        filter: drop-shadow(1px 1px 20px rgba(0, 0, 0, 0.4));
        width: 70%;
    }
    
    .features-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    
    .features-item {
        -webkit-transition: opacity 200ms ease;
        transition: opacity 200ms ease;
    }
    
    .features-item:hover {
        opacity: 0.7;
        cursor: pointer;
    }
    
    .features-item-header,
    .features-item-text {
        color: black;
    }
    
    .features-item-header {
        margin-bottom: 0;
        font-size: 1.4rem;
    }
    
    .features-item-text {
        margin-top: 0.3rem;
    }
    
    @media (min-width: 900px) {
        .list-1 {
            text-align: right;
        }
    }
    
    @media (min-width: 600px) {
        .list-2 {
            grid-column: 2;
        }
        .list-2 .features-item-header:first-child {
            margin-top: 0;
        }
    }
    
    @media (min-width: 900px) {
        .list-2 {
            grid-column: 3;
        }
        .list-2 .features-item-header:first-child {
            margin-top: 1.45rem;
        }
    }
    /* Demo video section */
    
    .rwd-video {
        height: 0;
        overflow: hidden;
        padding-bottom: 56.25%;
        padding-top: 30px;
        position: relative;
    }
    
    .rwd-video iframe,
    .rwd-video object,
    .rwd-video embed {
        height: 100%;
        left: 0;
        position: absolute;
        top: 0;
        width: 100%;
    }
    /* Download section */
    
    .download-grid {
        display: grid;
        width: 100%;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 1fr 1fr;
        grid-gap: 1rem;
        grid-template-areas: "download-text donate-text""download-button donate-button";
    }
    
    .download-text {
        display: inline-block;
        text-align: center;
        grid-area: download-text;
        grid-row: 1 / 2;
        grid-column: 1 / 2;
        width: 100%;
        max-width: 750px;
        overflow: hidden;
        padding-top: 30px;
        color: black;
    }
    
    .donate-text {
        display: inline-block;
        text-align: center;
        grid-area: donate-text;
        grid-row: 1 / 2;
        grid-column: 2 / 3;
        width: 100%;
        max-width: 750px;
        overflow: hidden;
        padding-top: 30px;
        color: black;
    }
    
    .download-button {
        display: inline-block;
        text-align: center;
        grid-area: download-button;
        grid-row: 2 / 3;
        grid-column: 1 / 2;
        width: 100%;
        overflow: hidden;
    }
    
    .donate-button {
        display: inline-block;
        text-align: center;
        grid-area: donate-button;
        grid-row: 2 / 3;
        grid-column: 2 / 3;
        width: 100%;
        overflow: hidden;
    }
    
    @media screen and (max-width: 900px) {
        .download-grid {
            grid-template-columns: 1fr;
            grid-template-rows: 1fr 1fr 1fr 1fr;
            grid-template-areas: "download-text""download-button""donate-text""donate-button";
        }
        .download-text {
            grid-column: 1 / 2;
            grid-row: 1 / 2;
        }
        .donate-text {
            grid-column: 1 / 2;
            grid-row: 3 / 4;
        }
        .download-button {
            grid-column: 1 / 2;
            grid-row: 2 / 3;
        }
        .donate-button {
            grid-column: 1 / 2;
            grid-row: 4 / 5;
        }
    }
    /* Footer section */
    
    .footer-multicolumn {
        background: rgb(149, 241, 229);
        box-shadow: 0 1px 1px 0 rgba(30, 0, 0, 0.12);
        box-sizing: border-box;
        width: 100%;
        text-align: left;
        padding: 55px 50px;
    }
    
    .footer-multicolumn .footer-left,
    .footer-multicolumn .footer-center,
    .footer-multicolumn .footer-right {
        display: inline-block;
        vertical-align: top;
    }
    
    .footer-multicolumn .footer-links {
        color: #000;
        margin: 20px 0 12px;
        padding: 0;
    }
    
    .footer-multicolumn .footer-links a {
        display: inline-block;
        line-height: 1.8;
        font-weight: 400;
        text-decoration: none;
        color: inherit;
    }
    
    .footer-multicolumn .footer-links a:before {
        content: "|";
        font-weight: 300;
        font-size: 20px;
        left: 0;
        color: #000;
        display: inline-block;
        padding-right: 5px;
    }
    
    .footer-multicolumn .footer-links .first-link:before {
        content: none;
    }
    
    .footer-multicolumn .footer-company-name {
        color: #333;
        font-size: 16px;
        font-weight: normal;
        margin: 0;
    }
    
    .footer-multicolumn .footer-company-about {
        line-height: 20px;
        color: #333;
        font-size: 13px;
        font-weight: normal;
        margin: 0;
    }
    
    .footer-multicolumn .footer-company-about span {
        display: block;
        color: #000;
        font-size: 14px;
        font-weight: bold;
        margin-bottom: 20px;
    }
    
    .footer-multicolumn .footer-icons {
        margin-top: 25px;
    }
    
    .footer-multicolumn .footer-icons a {
        display: inline-block;
        width: 35px;
        height: 35px;
        cursor: pointer;
        background-color: #33383b;
        border-radius: 2px;
        font-size: 20px;
        color: #999;
        text-align: center;
        line-height: 35px;
        margin-right: 3px;
        margin-bottom: 5px;
    }
    /* -- Footer Left column */
    
    .footer-multicolumn .footer-left {
        width: 40%;
    }
    /* -- Footer Center column */
    
    .footer-multicolumn .footer-center {
        width: 35%;
    }
    
    .footer-multicolumn .footer-center i {
        background-color: #999;
        color: #000;
        font-size: 25px;
        width: 38px;
        height: 38px;
        border-radius: 50%;
        text-align: center;
        line-height: 42px;
        margin: 10px 15px;
        vertical-align: middle;
    }
    
    .footer-multicolumn .footer-center i.fa-envelope {
        font-size: 17px;
        line-height: 38px;
    }
    
    .footer-multicolumn .footer-center p {
        display: inline-block;
        color: #000;
        font-weight: 400;
        vertical-align: middle;
        margin: 0;
    }
    
    .footer-multicolumn .footer-center p span {
        display: block;
        font-weight: normal;
        font-size: 14px;
        line-height: 2;
    }
    
    .footer-multicolumn .footer-center p a {
        text-decoration: none;
    }
    /* -- Footer Right column */
    
    .footer-multicolumn .footer-right {
        width: 20%;
    }
    
    @media (max-width: 880px) {
        .footer-multicolumn {
            font: bold 14px sans-serif;
        }
        .footer-multicolumn .footer-left,
        .footer-multicolumn .footer-center,
        .footer-multicolumn .footer-right {
            display: block;
            width: 100%;
            margin-bottom: 40px;
            text-align: center;
        }
        .footer-multicolumn .footer-center i {
            margin-left: 0;
        }
    }