style.css

:root {
    --blue: #00c9ff;
    --red: #ff007d;

    --bg00: #090b19;
    --bg10: #0d101f;
    --bg20: #15182a;
    --bg30: #252945;
    --bg40: #2d3a5a;

    --fg00: #ffffff;
    --fg10: #f1f2f6;
    --fg20: #dfe4ea;
    --fg30: #c5ccd6;
    --fg40: #a1a8c2;
}

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

html {
    font-size: 20px;
}

body {
    line-height: 1.5;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    color: var(--fg00);
    background-color: var(--bg00);
    background-image: url('./img/bg.jpg');
    background-size: cover;
}

html, body {
    height: 100%;
}

h1, h2, h3 {
    line-height: 1.2;
    font-weight: 400;
}

.site {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    height: 100%;
    position: relative;
    z-index: 2;
    text-align: center;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-color: var(--bg00);
    opacity: 0.95;
}

.header {
    padding: 1rem;
}
.header .logo {
    width: 100%;
    max-width: 16rem;
}
.header h3 {
    font-weight: 300;
    color: var(--fg40);
}

.hero {
    padding: 2rem 1rem 3rem;
}
.hero p {
    max-width: 30rem;
    margin: 0.5rem 0;
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--fg30);
}

.footer {
    padding: 1rem;
    color: var(--fg40);
}
.footer .socials {
    display: flex;
    justify-content: center;
    align-items: center;
}
.footer .socials img {
    margin: 0.5rem;
    width: 1.25rem;
    height: 1.25rem;
    filter: invert(1);
    opacity: 0.4;
}
.footer .legal {
    font-size: 0.6rem;
}