*,
*::before,
*::after {
    box-sizing: border-box;
    font: inherit;
    margin: 0;
}

html,
body {
    min-height: 100%;
    height: 100%;
    margin: 0;

    font-family: 'Open Sans', sans-serif;
    font-size: 18px;
    color: #222;
}

html {
    scroll-snap-type: y proximity;
    scroll-padding-top: 4rem;
}

img {
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

//
// Typography
//

.text {
    display: block;

    line-height: 1.5;

    p + p {
        margin-top: 0.5rem;
    }
}

//
// Controls
//

button,
.button,
[role='button'] {
    appearance: none;

    background: #fff;

    border: 3px solid #222;
    border-radius: 6px;
    box-shadow: 4px 4px 0 0 #222;

    transition: all 64ms linear;

    &:hover {
        background: #f0f0f0;
    }

    &:active {
        transform: translate(2px, 2px);
        box-shadow: 2px 2px 0 0 #222;
    }

    padding: 0.25rem 1.5rem;

    text-decoration: none;
    color: #222;

    font-family: 'Source Sans Pro', sans-serif;
    font-weight: 600;

    &.primary {
        background: #1e6733;
        color: #f4fef7;

        &:hover {
            background: #2b8b47;
        }
    }
}

//
// Pages
//

header {
    z-index: 10;

    height: 6rem;
    border-bottom: 4px solid #222;
    background: #fff;

    position: fixed;
    width: 100%;

    display: flex;
    align-items: center;
    justify-content: space-between;

    .logo {
        padding-left: 0.5rem;

        img {
            height: 4rem;
        }
    }

    .links {
        display: flex;
        align-items: center;
        gap: 1.5rem;

        padding: 0 1.5rem;

        a {
            font-size: 22px;
            font-weight: 600;
        }
    }
}

footer {
    min-height: 6rem;
    border-top: 4px solid #222;
    background: #444;
    color: #fdfdfd;

    display: grid;
    place-content: center;

    font-family: 'Source Sans Pro', sans-serif;
    font-size: 20px;
}

.page-homepage {
    header .logo {
        visibility: hidden;
    }

    section {
        position: relative;

        min-height: calc(100vh - 6rem);

        &:last-of-type {
            min-height: calc(100vh - 10rem);
        }

        display: flex;
        flex-direction: column;
        align-items: center;

        gap: 2rem;

        scroll-snap-align: start;

        & > .title {
            font-weight: 700;
            font-size: 60px;

            font-family: 'Source Sans Pro', sans-serif;

            padding-top: 4rem;
        }
    }

    .zig-zag {
        z-index: 5;

        position: absolute;
        width: 100%;

        display: flex;

        &:first-child {
            bottom: 100%;
        }
    }

    section.principal {
        z-index: -2;

        min-height: calc(100vh - 2rem);

        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 6rem;

        padding: 6rem 0;

        background: #ecffe3;
        // circuit color
        // background: #a6ce94;

        flex-wrap: wrap;

        position: relative;

        .circuit-layer {
            z-index: -1;
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;

            padding-top: 6rem;

            canvas {
                width: 100%;
                height: 100%;
            }
        }

        .logo {
            max-width: 640px;
            position: relative;

            user-select: none;

            img {
                width: 100%;
                filter: drop-shadow(6px 6px 0 #222) drop-shadow(4px 0 0 #222) drop-shadow(0 4px 0 #222) drop-shadow(-4px 0 0 #222)
                    drop-shadow(0 -4px 0 #222);
            }
        }

        .whats-phc {
            background: #e4c5ff;

            border: 4px solid #222;
            border-radius: 8px;
            box-shadow: 6px 6px 0 0 #222;

            padding: 2rem;

            max-width: 37rem;

            display: flex;
            flex-direction: column;
            align-items: center;

            gap: 1rem;

            .title {
                font-family: 'Source Sans Pro', sans-serif;
                font-weight: 700;
                font-size: 40px;
            }

            .content {
                @extend .text;
            }
        }
    }

    section.news {
        background: #c2a8eb;

        gap: 3rem;

        padding-bottom: 6rem;

        .news-list {
            display: flex;
            flex-direction: row;
            gap: 3rem;

            padding: 0 3rem;

            justify-content: center;
            flex-wrap: wrap;

            .news {
                background: #fffbeb;

                border: 3px solid #222;
                border-radius: 9px;
                box-shadow: 9px 9px 0 0 #222;

                display: flex;
                flex-direction: column;

                width: 22rem;
                max-height: 27rem;

                ::-webkit-scrollbar {
                    width: 10px;
                }

                ::-webkit-scrollbar-thumb {
                    background-color: #c67e14;
                    border: 2px solid #222;

                    &:hover {
                        background-color: #e69419;
                    }
                }

                a {
                    font-weight: 600;
                    text-decoration: none;
                    color: #c67e14;

                    &:hover {
                        text-decoration: underline solid 2px;
                    }
                }

                & > .title {
                    // border-bottom: 2px solid #222;

                    border-top-left-radius: 9px;
                    border-top-right-radius: 9px;

                    padding: 1rem;
                    background: #f8e8b1;

                    font-family: 'Source Sans Pro', sans-serif;
                    font-weight: 700;
                    font-size: 32px;
                }
                & > .abstract {
                    flex-grow: 1;

                    padding: 1rem;

                    overflow-y: auto;

                    @extend .text;
                }
                & > .continue {
                    padding: 1rem;

                    display: grid;
                    align-items: end;
                    justify-content: end;
                }
            }
        }

        [role='button'] {
            padding: 0.5rem 2rem;

            &.primary {
                // background: #824ed4;
                // color: #f0e6ff;
                background: #f8e8b1;
                color: #000d;

                &:hover {
                    // background: #8e5ddd;
                }
            }
        }
    }

    section.projects {
        background: #f5f2cc;

        padding-bottom: 6rem;

        .project-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
            gap: 3rem;

            padding: 0 6rem;

            align-items: start;

            .project {
                // background: #fcddff;
                background: #ffa89c;
                // background: #a2d4f3;
                color: #000e;

                border: 3px solid #222;
                border-radius: 9px;
                box-shadow: 9px 9px 0 0 #222;

                padding: 1rem;

                display: grid;
                grid-template-columns: auto 1fr;
                grid-template-rows: auto 1fr;

                gap: 0.25rem 1rem;

                .title {
                    font-family: 'Source Sans Pro', sans-serif;
                    font-weight: 700;
                    font-size: 32px;
                }

                .image {
                    grid-row: span 2;
                    // place-self: center;

                    .box {
                        background: #0003;
                        border: 3px solid #0006;
                        border-radius: 6px;
                        width: 5rem;
                        height: 5rem;
                    }
                }

                .description {
                    font-size: 16px;
                }

                transition: all 128ms ease-out;

                &:hover {
                    transform: translate(0, -8px);
                }
            }
        }
    }

    section.wanna-be-macchinista {
        background: #888;
        color: #fdfdfd;
    }
}

//
// Misc
//

::-webkit-scrollbar-track:vertical {
    background-color: #f0f0f0;
    border-left: 2px solid #222;
    border-top: 2px solid #222;
    border-bottom: 2px solid #222;
}

::-webkit-scrollbar-track:horizontal {
    background-color: #f0f0f0;
    border-top: 2px solid #222;
    border-left: 2px solid #222;
    border-right: 2px solid #222;
}

::-webkit-scrollbar-thumb {
    background-color: #1e6733;
    border: 2px solid #222;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #2b8b47;
}

::-webkit-scrollbar-corner {
    background-color: #f0f0f0;
    // border-left: 2px solid #222;
    // border-top: 2px solid #222;
}

::-webkit-scrollbar {
    width: 15px;
}