:root {
    --dark-text: #3f454d; 
    --section-padding: 100px 0;
    --background: #1b222c;
    --gradient: linear-gradient(to bottom right,#e7e1a0, #85e0ce);
    --grid-gap: 50px;
    --teal: #01a39c;
    --header-height: 500px;
    --tile-spacing: 15px;
}

html, body {
    border: 0;
    padding: 0;
    margin: 0;
    font-family: 'FiraGO', sans-serif;
    color: var(--dark-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: #f8f8f8;
}

/* Fonts */

@font-face {
    font-family: FiraGO;
    src: url(../resources/fonts/FiraGO-Regular.woff);
}

@font-face {
    font-family: FiraGO;
    src: url(../resources/fonts/FiraGO-Bold.woff);
    font-weight: bold;
}

@font-face {
    font-family: FiraGO;
    src: url(../resources/fonts/FiraGO-Medium.woff);
    font-weight: 500;
}

/* Main */
h1, h2 {
    font-weight: 500;
}

h1 {
    font-size: 28px;
}

h2 {
    font-size: 24px;
}

p {
    font-size: 16px;
    line-height: 24px;
    color: white;
    margin: 0 0 20px 0;
    font-weight: 400;
}

a {
    color: var(--teal);
    text-decoration: none;
    font-weight: 400;
}

a:hover {
    text-decoration: underline;
}

.container {
    max-width: 1000px;
    margin: auto auto;
    padding: 0 40px;
}

.section-title {
    margin: 0 0 40px 0;
}

/* Buttons */

.button-fill, .button-outline {
    font-family: 'FiraGO', sans-serif;
    display: inline-block;
    padding: 12px 30px;
    font-size: 14px;
    line-height: 16px;
    font-weight: 500;
    margin: 30px 0;
    border-radius: 21px;
    transition: .3s all;
    text-decoration: none;
    cursor: pointer;
}

.button-fill:focus, .button-outline:focus {
    outline: none;
}

.button-fill:hover, .button-outline:hover {
    text-decoration: none;
}

.button-fill {
    background: var(--gradient);
    color: var(--dark-text);
    border: 0px solid transparent;
}

.button-outline {
    background: transparent;
    color: white;
    border: 1px solid var(--teal);
}

.white {
    color: var(--dark-text) !important;
}

.dark:hover {
    color: var(--dark-text) !important;
}

.button-outline:hover {
    background: #58d7be;
    border: 1px solid #58d7be;
}

/* Header and Nav */

header {
    width: 100%;
    height: var(--header-height);
    background: var(--background);
    box-sizing: border-box;
}

#map {
    position: absolute;
    height: var(--header-height);
    width: 100%;
    border: 0;
    pointer-events: none;
    z-index: 0;
}

nav {
    padding: 25px 0;
    position: absolute;
}

.header-content {
    height: var(--header-height);
    position: absolute;
    display: flex;
    justify-content: center;
    flex-direction: column;
    box-sizing: border-box;

}

.header-title {
    color: white;
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 20px;
    animation-name: lead-animation;
    animation-duration: 2s;
}

.header-desc {
    color: white;
    font-weight: 400;
    font-size: 18px;
    animation-name: lead-animation;
    animation-delay: 0.5s;
    animation-duration: 2s;
    animation-fill-mode: forwards;
    opacity: 0;
}

.header-button-row {
    animation-name: lead-animation;
    animation-delay: 0.5s;
    animation-duration: 2s;
    animation-fill-mode: forwards;
    opacity: 0;
}

.header-button-row a {
    margin-right: 20px;
}

/* Informational */

.informational-container {
    background: white;
    padding: var(--section-padding);
}

.informational {
    display: grid;
    grid-template-columns: 1fr 2fr;
    grid-gap: var(--grid-gap);
}

.informational .right .bold {
    font-weight: 500;
    margin-bottom: 20px;
}

.informational .right p {
    color: var(--dark-text);
}

/* Projects */

.projects {
    margin: var(--section-padding);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    box-sizing: border-box;
    grid-gap: 20px;
}

.project {
    background: white;
    padding: 15px;
    transition: .7s all ease-in-out;
    display: flex;
    flex-direction: column;
}

.project .language {
    font-size: 12px;
}

.project h2 {
    margin: var(--tile-spacing) 0;
}
.project .icons-row {
    margin: 0 0 var(--tile-spacing) 0;
}
.project .stat-icons {
    display: inline-block;
    height: 12px;
}

.project .forks {
    margin: 0 0 0 10px;
}

.project .subtitle {
    height: 100%;
}

.project .visit {
    display: block;
    margin: var(--tile-spacing) 0 0 0;
}


.project #view-more {
    display: none;
}

/* Examples and Documentation */

.links {
    padding: var(--section-padding);
    background: var(--background); 
}

.links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: var(--grid-gap);
}

.links .description {
    min-height: 50px;
}

.gradient {
    margin-top: 0;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Footer */

footer {
    background: #333942;
}

.footer {
    display: flex;
    padding: 60px 0 60px 0;
    align-items: center;
    color: white;
}

.footer a {
    color: white;
    text-decoration: none;
}

.footer-title {
    margin: 0;
    margin: 0 120px 10px 0;
}

/* Animation */
@keyframes lead-animation {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0px);
    }
}

/* Mobile */
@media only screen and (max-width: 800px) {
    .projects-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media only screen and (max-width: 600px) {
    :root {
        --section-padding: 40px 0;
        --grid-gap: 20px;
     }

    .container {
        padding: 0 20px;
    }

    .header-button-row a {
        margin: 20px 0 0 0;
    }

    .informational {
        grid-template-columns: 1fr;
    }

    .informational h1 {
        margin-bottom: 0;
    }

    .features, .projects-grid, .links-grid {
        grid-template-columns: 1fr;
    }

    .footer {
        flex-direction: column;
        align-items: flex-start;
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .footer-title-container {
        display: flex;
        align-items: flex-end;
        margin-bottom: 20px;
    }

    .footer-title {
        margin: 0;
        margin-right: 10px;
    }

    .header-button-row {
        display: inline-block;
    }
}