:root {
    --grey: #555;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0px;
    /* font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue",
        sans-serif; */
    font-family: Roboto, system-ui, -apple-system, BlinkMacSystemFont,
        "Segoe UI", Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue",
        sans-serif;
}

h2 {
    margin-bottom: 8px;
    margin-top: 8px;
    display: flex;
    align-items: center;
}

/* General styles */
.flex {
    display: flex;
}

.btn {
    border: 2px solid var(--grey);
    border-radius: 4px;
    text-transform: capitalize;
    background-color: white;
    font-weight: 600;
    color: var(--grey);
    text-decoration: none;
    padding: 8px;
}

.btn:visited {
    color: var(--grey);
}

.no-link {
    text-decoration: none;
}

.no-link:visited {
    text-decoration: none;
    color: inherit;
}

.border-bt-black {
    border-bottom: 1px solid var(--grey);
}

.rem-1 {
    width: 1rem;
    height: 1rem;
    font-size: 1rem;
}

.mr-8 {
    margin: 8px;
}

.section {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 16px;
}

.vh-1 {
    min-height: 100vh;
}

.section-title {
    margin-top: 64px;
}

.w-100 {
    width: 100%;
}

.z-1 {
    z-index: 1;
}

.z-2 {
    z-index: 2;
}

.pe-auto {
    pointer-events: all;
}

.flex-al-center {
    display: flex;
    align-items: center;
}

.flex-justify-center {
    display: flex;
    justify-content: center;
}

.to-right {
    margin-left: auto;
}

.flex-columns {
    flex-direction: column;
}

/* element specific styles */

/* header */
.header {
    padding-left: 18px;
    padding-right: 18px;

    background-color: #ffffff;

    position: sticky;
    width: 100%;
    top: 0;

    height: 64px;

    z-index: 10;
}
.header-title {
    flex-grow: 1;
}

.header-nav-buttons {
    flex-grow: 4;
    align-items: center;
    justify-content: end;
}

.header-nav-buttons > li {
    list-style: none;
    margin-right: 14px;
}

/* hero section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 1;
}

.hero-title {
    font-size: 8rem;
    pointer-events: none;
    margin: 0rem 0 0rem 0;
}

.hero-background {
    height: calc(100% - 2px);
    width: 100%;
    position: absolute;
    overflow: hidden;
}

.hero-foreground {
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
    pointer-events: none;
    margin-top: 32px;
    /* background-color: #ffffff22; */
    /* backdrop-filter: blur(2px); */
    padding: 32px;
    border-radius: 16px;
}

.hero-info {
    margin: 8px 0px 64px 0px;
    font-weight: 600;
    color: #888;
}

.expresso-logo-white-0 {
    color: var(--grey);
}

.expresso-logo-white-1 {
    color: var(--grey);
}

pre {
    border-radius: 8px;
}

/* footer */
.footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 75vh;
    background-color: black;
    color: white;
}

.footer-title {
    color: #222;
    font-size: 14rem;
    width: 50%;
    word-wrap: break-word;
    font-weight: 900;
}

.footer-red {
    color: #400;
}

.footer-link {
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    filter: opacity(0.3);
}

.footer-link:visited {
    color: #fff;
}

.footer-right {
    align-items: center;
    justify-content: center;
}

.footer-body > * {
    width: 50%;
}

#copyright-info {
    color: #555;
}

@media (max-width: 768px) {
    .btn {
        padding: 8px;
        font-weight: 600;
        font-size: 1rem;
    }
    .header {
        display: flex;
        /* align-items: center; */
        /* flex-direction: column; */
        height: auto;
    }

    .hero-title {
        font-size: 4rem;
    }

    .hero-btn-cont {
        flex-direction: column;
        align-items: center;
    }

    .hero-btn-cont > a {
        width: fit-content;
    }

    .header-nav-buttons > li {
        margin-right: 0px;
    }

    .section-body {
        width: 100%;
        padding: 16px;
    }

    .header-nav-buttons {
        padding: 0px;
        display: flex;
        width: 100%;
        justify-content: space-around;
        word-wrap: normal;
    }

    .footer-body {
        flex-direction: column;
    }

    .footer-body > * {
        width: 100%;
    }

    .footer-title {
        font-size: 4rem;
        text-align: center;
    }

    .footer {
        height: auto;
        min-height: 0px;
    }
}