@font-face {
    font-family: 'Magnet';
    font-weight: normal;
    font-style: normal;
    src: url('/fonts/magnet/Magnet-Regular.woff2') format('woff2');
}

@font-face {
    font-family: 'Magnet';
    font-weight: normal;
    font-style: italic;
    src: url('/fonts/magnet/Magnet-Italic.woff2') format('woff2');
}

@font-face {
    font-family: 'Magnet';
    font-weight: 500;
    font-style: normal;
    src: url('/fonts/magnet/Magnet-Medium.woff2') format('woff2');
}

@font-face {
    font-family: 'Magnet';
    font-weight: 100;
    font-style: normal;
    src: url('/fonts/magnet/Magnet-Light.woff2') format('woff2');
}

@font-face {
    font-family: 'Magnet';
    font-weight: bold;
    font-style: normal;
    src: url('/fonts/magnet/Magnet-Bold.woff2') format('woff2');
}

@font-face {
    font-family: 'Magnet';
    font-weight: 900;
    font-style: normal;
    src: url('/fonts/magnet/Magnet-Black.woff2') format('woff2');
}

@font-face {
    font-family: 'Pitch Sans';
    font-weight: normal;
    font-style: normal;
    src: url('/fonts/pitch-sans/pitch-sans-regular.woff2') format('woff2');
}

:root {
    --matter-onyx: hsl(0, 2%, 10%);
    --matter-onyx--half: hsla(0, 2%, 10%, 50%);
    --matter-stone: hsl(170, 4%, 71%);
    --matter-stone--half: hsla(170, 4%, 71%, 50%);
    --matter-glass: hsl(170, 17%, 93%);
    --matter-quartz: hsl(0, 0%, 100%);
    --matter-glass-inverted: hsl(0, 1%, 18%);
    --neuro-dopamine: hsla(354, 96%, 69%, 1);
    --neuro-testosterone: hsla(19, 100%, 78%, 1);
    --neuro-serotonin: hsla(38, 100%, 73%, 1);
    --neuro-oxytocin: hsla(174, 91%, 44%, 1);
    --neuro-cannabinoids: hsla(209, 80%, 70%, 1);
    --neuro-opioids: hsla(233, 70%, 74%, 1);
}


/* Base */
html {
    scroll-behavior: smooth;
}

body {
    font-family: "Magnet", sans-serif;
    line-height: 1.5;
    color: var(--matter-onyx);
    background-color: var(--matter-quartz);
}

main {
    margin-bottom: 5rem;
    padding-inline: 1.5rem;
}

footer {
    font-family: "Pitch Sans", monospace;
}

section {
    margin-bottom: 3.25rem;

}

p {
    line-height: 1.5;
    margin-bottom: .75rem;
}

b {
    font-weight: 600;
}

li:not([class]),
li>p {
    margin-bottom: .5em;
}

h1 {
    font-size: 2.25rem;
    line-height: 1.3;
    display: inline-block;
    margin-bottom: 1em;
}

h2 {
    font-size: 1.5rem;
    line-height: 1.25;
    margin-bottom: 0.7em;
}


a.has-data-text,
a:not([class]) {
    font-weight: bold;
    text-decoration: underline;
    color: inherit;

    text-underline-offset: 1px;
    text-decoration-thickness: .5px;
    text-decoration-color: var(--matter-stone);
}

a.has-data-text:hover,
a.has-data-text:focus,
a:not([class]):hover,
a:not([class]):focus {
    text-decoration-thickness: 1px;
    text-decoration-color: var(--matter-onyx);
}

textarea {
    height: 10rem;
    resize: none;
}

ul {
    padding-left: 1.5rem;
    list-style-type: square;
}

/* Utility */
.sr-only {
    position: absolute;
    overflow: hidden;
    clip: rect(0 0 0 0);
    width: 1px;
    height: auto;
    margin: 0;
    padding: 0;
    white-space: nowrap;
    border: 0;
}

.highlight {
    display: inline-block;
    padding: 0 .4rem;
    background-color: var(--matter-glass-inverted);
}

.highlight--dopamine {
    color: var(--neuro-dopamine);
}

.highlight--oxytocin {
    color: var(--neuro-oxytocin);
}

.highlight--cannabinoids {
    color: var(--neuro-cannabinoids);
}

/* Layout */
.wrapper {
    max-width: 44rem;
    margin: 0 auto;
    padding-top: 9rem;
}

/* Forms */
.form {}

.form-field {
    display: block;
}

.form-field__label {
    font-weight: bold;
    line-height: 1.5;
    display: block;
    margin-bottom: 0.875rem;
}

.form-field__input {
    font: inherit;
    display: block;
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--matter-glass);
    border-radius: 0.375rem;
}

.form-field__input:focus {
    outline: 0;
    box-shadow: 0px 0px 6px 0px rgba(26, 25, 25, 0.10);
}

.form__footer {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
}

.form__action {
    font: inherit;
    width: 100%;
    max-width: 20rem;
    margin-bottom: 1rem;
    padding: 1rem;
    cursor: pointer;
    color: var(--matter-quartz);
    border: 0;
    border-radius: 0.375rem;
    background-color: var(--matter-onyx);
}

.form__action:hover,
.form__action:focus,
.form__action:active {
    color: var(--matter-stone);
}

.form__errors {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--neuro-dopamine);
}

.form__thanks {
    font-size: 1.25rem;
    font-weight: 700;
}

.form--contact {
    display: grid;
    row-gap: 1.5rem;
}

/* Component */
.page-header {
    position: fixed;
    z-index: 4;
    top: 0;
    right: 0;
    left: 0;
}

.no-js .page-header {
    mix-blend-mode: difference;
}

.nav {
    position: relative;
    display: grid;
    grid-auto-flow: column;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 74rem;
    margin: 1rem auto 0;
    padding-inline: 1.5rem 1rem;
    transition: color .1s;
}

.nav--dark {
    color: var(--matter-glass);
}

.nav__brand {
    display: inline-block;
    width: 6.25rem;
    cursor: pointer;
    transition: filter .4s ease-in;
    color: inherit;
    filter: drop-shadow(0 0 0 hsla(0, 0%, 70%));
}

.home .nav__brand:hover,
.home .nav__brand:active {
    filter: drop-shadow(0 0 7px hsla(0, 0%, 70%));
}

.nav__cta {
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.15;
    z-index: 3;
    display: flex;
    gap: .5rem;
    align-items: center;
    width: 10rem;
    padding: .7rem 1rem;
    cursor: pointer;
    transition: all .1s;
    text-decoration: none;
    color: inherit;
    color: var(--matter-glass);
    border: 1px solid #EBEBEB;
    border-radius: 2rem;
    background-color: var(--matter-onyx);
}

.nav__cta--anchor {
    display: none;
}

.no-js .nav__cta--anchor {
    display: flex;
}

.no-js .nav__cta--button {
    display: none;
}

@media (min-resolution: 150dpi) {
    .nav__cta {
        border-width: .5px;
    }
}

.nav__cta:hover,
.nav__cta:focus,
.nav__cta:active {
    color: var(--matter-onyx);
    border-color: var(--matter-stone);
    background-color: #fafafa;
}

.home .nav__cta {
    pointer-events: none;
}


.home .nav--dark .nav__cta {
    transform: translateY(0);
    pointer-events: all;
    opacity: 1;
}

.dark .nav__cta {
    color: var(--matter-onyx);
    background-color: var(--matter-glass);
}

.dark .nav__cta:hover,
.dark .nav__cta:focus,
.dark .nav__cta:active {
    color: var(--matter-quartz);
    border-color: var(--matter-stone);
    background-color: var(--matter-glass-inverted);
}

.nav__cta svg {
    width: 1.75rem;
}

.nav__scrim {
    position: fixed;
    z-index: 1;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    display: none;
}

.nav__scrim--active {
    display: block;
}

.nav__form {
    position: absolute;
    z-index: 2;
    top: 0;
    right: 1rem;
    display: grid;
    gap: .875rem;
    width: 100vw;
    max-width: calc(100% - 2rem);
    padding: 0.875rem;
    transform-origin: 100% 0;
    border: 1px solid hsla(0, 0%, 0%, 13%);
    border-radius: 1rem;
    background-color: #fafafa;

    --placeholder-opacity: 1;
    --full-duration: .5s;
}

@media screen and (min-width: 768px) {
    .nav__form {
        max-width: 22.125rem;
    }
}

.nav__form.no-js {
    display: none;
}

.nav__form--hidden {
    display: none;
}

.dark .nav__form {
    border-color: hsla(0, 0%, 100%, 30%);
    background-color: var(--matter-glass-inverted);
}

.nav__form-input {
    font: inherit;
    width: 100%;
    padding: .7rem;
    transform-origin: 100% 0;
    color: inherit;
    border: 1px solid #eee;
    border-radius: .375rem;
}

.dark .nav__form-input {
    border: none;
    background-color: #4E4D4D;
}

.nav__form-input::placeholder {
    transition: all calc(--full-duration + .2s);
    opacity: var(--placeholder-opacity, 1);
    color: var(--matter-onyx);
}

.dark .nav__form-input::placeholder {
    color: var(--matter-glass);
}

.nav__form-submit {
    font: inherit;
    font-size: 0.875rem;
    line-height: 1rem;
    padding: 1rem;
    transform-origin: 100% 0;
    color: var(--matter-glass);
    border: 0;
    border-radius: 0.375rem;
    background-color: var(--matter-onyx);
}

.dark .nav__form-submit {
    color: var(--matter-onyx);
    background-color: var(--matter-quartz);
}

.nav__form-submit span {
    display: inline-block;
}

.nav__form-success {
    display: flex;
    display: none;
    justify-content: center;
    padding: 1rem;
}

.nav__form-success svg {
    max-width: 1.5rem;
}

.homepage-form {
    display: flex;
    gap: 0.875rem;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    max-width: 29rem;
    margin: 0 auto;
}

.homepage-form__field {
    display: block;
    width: 100%;
    max-width: 21rem;
}

.homepage-form__input {
    font: inherit;
    width: 100%;
    padding: .75rem 1.25rem;
    border: 1px solid var(--matter-glass);
    border-radius: 2.5rem;
}

.homepage-form__action {
    font: inherit;
    font-weight: 500;
    display: flex;
    display: block;
    align-items: center;
    width: 100%;
    max-width: 21rem;
    padding: .7rem 1rem;
    cursor: pointer;
    transition: all .1s;
    text-align: center;
    text-decoration: none;
    color: var(--matter-glass);
    border: 1px solid #EBEBEB;
    border-radius: 2rem;
    background-color: var(--matter-onyx);
}

@media (min-resolution: 150dpi) {
    .homepage-form__action {
        border-width: .5px;
    }
}

@media (min-width: 468px) {
    .homepage-form__action {
        width: unset;
        max-width: auto;
    }
}

.homepage-form__action:hover,
.homepage-form__action:focus,
.homepage-form__action:active {
    cursor: pointer;
    color: var(--matter-onyx);
    border-color: var(--matter-stone);
    background-color: #fafafa;
}

.page-footer {
    position: fixed;
    z-index: -1;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    gap: 2rem;
    grid-template-rows: 1fr auto 1fr;
    align-content: end;
    align-items: end;
    min-height: 100vh;

}

.footer {
    display: grid;
    grid-row: 3;
    row-gap: .5rem;
    align-content: end;
    justify-items: center;
    max-width: 22rem;
    margin: 0 auto;
    padding-inline: 1rem;
}

@media screen and (min-width:468px) {
    .footer {
        max-width: 44rem;
    }
}

@media screen and (max-height: 520px) {
    .footer {
        row-gap: 1rem;
    }
}

.footer__social-links {
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
    list-style-type: none;
}

.footer__social-links li {
    margin-bottom: 0;
}


.footer__social-link {
    display: inline-block;
    width: 1.25rem;
    color: #B3B9B8;
}

.footer__social-link:hover {
    color: var(--matter-onyx);
}

.footer__links ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0;
    list-style-type: none;
}

@media screen and (max-height: 520px) {
    .footer__links ul {
        margin: 0;
    }
}

.footer__links li:not(:last-child):after {
    margin-right: 1ch;
    content: ' / ';
}

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

.footer__links a:focus,
.footer__links a:hover {
    text-decoration: underline;
}

.footer__copy {
    justify-self: stretch;
    padding-block: 1.75rem;
    text-align: center;
    border-top: 1px solid var(--matter-glass);
}

@media screen and (max-height: 520px) {
    .footer__copy {
        padding-block: 1rem;
    }
}

.home main {
    padding: 0;
}

.homepage section {
    margin: 0;
}

.home footer {
    /* position: fixed; */
    z-index: -1;
    right: 0;
    bottom: 0;
    left: 0;
}

.progress-bar {
    position: fixed;
    z-index: 3;
    right: 0;
    bottom: 5rem;
    left: 0;
    overflow: hidden;
    width: 100%;
    max-width: 17rem;
    height: 0.375rem;
    margin: 0 auto;
    pointer-events: none;
    border-radius: 1rem;
    background-color: var(--matter-glass-inverted);
}

.progress-bar:before {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    content: "";
    transform: scaleX(var(--scroll-progress, 0));
    transform-origin: 0 0;
    border-radius: 1rem;
    background-color: var(--matter-quartz);
}

.no-js .progress-bar {
    display: none;
}

.homepage-scenes {
    position: relative;
}

.homepage-scenes:before,
.homepage-scenes:after {
    position: fixed;
    z-index: 3;
    right: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 5rem;
    content: "";
    user-select: none;
    transition: opacity .5s;
    pointer-events: none;
    opacity: 0;
}

.homepage-scenes:before {
    top: 0;
    background-image: linear-gradient(to bottom, var(--matter-onyx), transparent);
}

.homepage-scenes:after {
    bottom: 0;
    background-image: linear-gradient(to top, var(--matter-onyx), transparent);
}

.homepage-scenes--scrimmed:before,
.homepage-scenes--scrimmed:after {
    opacity: 1;
}

.homepage-scenes--dark {
    margin-bottom: 100vh;
    color: var(--matter-quartz);
    background-color: var(--matter-onyx);
}

.homepage-scene {
    position: relative;
    /* outline: 1px solid red; */
    z-index: 3;
    display: grid;
    align-content: end;
    justify-content: center;
    min-height: 100vh;
    padding-bottom: 11.25rem;
}

.no-js .homepage-scenes .homepage-scene {
    background-position: 50% 50%;
    background-size: cover;
}

.no-js .homepage-scenes--dark .homepage-scene:nth-child(1) {
    background-image: url('/img/stars.jpg');
}

.no-js .homepage-scenes--dark .homepage-scene:nth-child(2) {
    background-image: url('/img/stars-with-globe.jpg');
}

.no-js .homepage-scenes--dark .homepage-scene:nth-child(3) {
    background-image: url('/img/brain.jpg');
}

.no-js .homepage-scenes--dark .homepage-scene:nth-child(4) {
    background-image: url('/img/molecule.jpg');
}

.no-js .homepage-scenes--dark .homepage-scene:nth-child(5) {
    background-image: url('/img/hex.jpg');
}

.no-js .homepage-scenes--dark .homepage-scene:nth-child(6) {
    background-image: url('/img/stars-with-globe.jpg');
}

.no-js .homepage-scenes:last-of-type .homepage-scene {
    background-image: url('/img/molecules.jpg');
}

/* TODO: This section should probably have a class indicating it as a special layout */
.final-homepage-scene {
    position: static;
    z-index: -1;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    /* height: 100vh; */
    grid-row: 2;
    align-content: center;
    justify-content: center;
    padding-bottom: 0;
}

@media screen and (min-height: 520px) {
    .homepage-scenes:last-of-type .homepage-scene {
        position: fixed;
    }
}

.homepage-scenes:last-of-type p {
    text-align: center;
}

.homepage-scene__inner {
    position: fixed;
    right: 0;
    bottom: 11.25rem;
    left: 0;
    max-width: 43rem;
    margin: 0 auto;
    padding: 0 1rem;
    user-select: none;
    pointer-events: none;
    opacity: 0;
}

.homepage-scene--intro .homepage-scene__inner {
    top: 50%;
    display: grid;
    place-content: center;
    transform: translateY(-50%);
    opacity: 1;

}

.homepage-scene--centered .homepage-scene__inner {
    top: 50%;
    transform: translateY(-50%);
}

.final-homepage-scene .homepage-scene__inner {
    position: static;
    opacity: 1;
}

.homepage-scene__header {
    font-size: 2.25rem;
    line-height: 1.3;
    text-align: center;
}

.homepage-scene__content {
    font-size: 1.25rem;
}

.homepage-scene__icon-button {
    display: grid;
    place-items: center;
    width: 3rem;
    aspect-ratio: 1;
    color: var(--matter-onyx);
    border: 1px solid var(--matter-glass);
    border-radius: 100%;
    background-color: var(--matter-glass);
}

.homepage-scene__icon-button:hover,
.homepage-scene__icon-button:active {
    color: var(--matter-quartz);
    border-color: #6d6d6d;
    background-color: var(--matter-glass-inverted);
}

.homepage-scene__icon-button svg {
    width: 1.2rem;
}

.homepage-scene--intro {
    align-content: center;
    align-items: center;
    padding-bottom: 0;
    text-align: center;
}

.homepage-scene--intro .homepage-scene__header {
    margin: unset;
    margin-bottom: 1.5rem;
    padding: unset;
    background-color: unset;
}

.homepage-scene--intro .homepage-scene__icon-button {
    position: fixed;
    right: 0;
    bottom: 10rem;
    left: 0;
    margin: 0 auto;
}

@media screen and (min-width: 400px) {
    .homepage-scene--intro .homepage-scene__icon-button {
        bottom: 3rem;
    }
}

.scrim {
    position: fixed;
    z-index: 2;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    opacity: 0;
    background-color: var(--matter-onyx--half);
}

.scenes {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    user-select: none;
    pointer-events: none;
}