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

:root {
  font-size: 12px;
  --color-text: #17233a;
  --color-bg: #f4f1ea;
  --color-link: #17233a;
  --color-link-hover: #42506a;
  --page-padding: 1.5rem;
  --color-muted: #667085;
  --color-line: rgba(23, 35, 58, 0.12);
  --color-paper: #f4f1ea;
  --color-navy: #1f3b66;
  --color-navy-dark: #132742;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --font-serif: 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', Georgia, serif;
}

html {
  overscroll-behavior: none;
}

body {
  margin: 0;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: var(--color-link);
  outline: none;
  cursor: pointer;

  transition:
    opacity 0.2s ease,
    color 0.2s ease;

  &:hover {
    text-decoration: none;
    color: var(--color-link-hover);
    opacity: 0.7;
  }

  &:focus {
    outline: none;
    background: lightgrey;

    &:not(:focus-visible) {
      background: transparent;
    }

    &:focus-visible {
      outline: 2px solid red;
      background: transparent;
    }
  }
}

.frame {
  padding: 1rem var(--page-padding) 0;
  display: grid;
  z-index: 1000;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  grid-row-gap: 1rem;
  grid-column-gap: 2rem;
  pointer-events: none;
  justify-items: start;
  align-items: start;
  grid-template-columns: auto auto auto 1fr;
  grid-template-areas:
    'title title title title'
    'back archive github ...'
    'demos demos demos demos'
    'tags tags tags tags'
    'sponsor sponsor sponsor sponsor';
  color: var(--color-text);

  #cdawrap {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    justify-self: start;
    grid-area: sponsor;
    border-radius: 9px;
    padding: 1rem;
    border: 1px solid rgba(23, 35, 58, 0.08);
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
  }

  a,
  button {
    pointer-events: auto;
  }

  .frame__title {
    grid-area: title;
    margin: 0;
  }

  .frame__title,
  .frame__back,
  .frame__archive,
  .frame__github,
  .frame__tags,
  .frame__demos {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
    padding: 0.4rem;
    border-radius: 5px;
    border: 1px solid rgba(23, 35, 58, 0.08);
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
  }

  .frame__back {
    grid-area: back;
    justify-self: start;
  }

  .frame__archive {
    grid-area: archive;
    justify-self: start;
  }

  .frame__github {
    grid-area: github;
  }

  .frame__tags {
    grid-area: tags;
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
  }

  .frame__demos {
    grid-area: demos;
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    .current {
      opacity: 0.5;
      cursor: default;
    }
  }

  @media screen and (min-width: 53em) {
    height: 100%;
    padding: var(--page-padding);
    grid-template-columns: auto auto auto auto 1fr;
    grid-template-rows: auto auto 1fr;
    align-content: start;
    grid-template-areas:
      'title back github archive demos'
      'tags tags tags ... ...'
      'sponsor sponsor sponsor ... ...';

    .frame__tags {
      align-self: end;
    }

    .frame__demos {
      justify-self: end;
    }

    #cdawrap {
      align-self: end;
      max-width: 300px;
    }
  }
}

section {
  position: relative;
  left: 0;
  top: 0;
  width: 100%;
  min-height: 150vh;
}

.map {
  position: absolute;
  z-index: 999;
  width: 50%;
  height: 100vh;
  border-right: 1px solid var(--color-line);
  background: #dce5ea;
}

.map image {
  filter: saturate(0.72) contrast(0.95) brightness(1.02);
}

.path {
  stroke: var(--color-navy);
  stroke-width: 3px;
}

.dot,
.dot-start {
  stroke: var(--color-navy);
}

.info {
  position: relative;
  left: 50%;
  width: 50%;
  padding: 20rem 2rem 5rem;
  color: var(--color-text);
  background: var(--color-paper);
  @media screen and (min-width: 53em) {
    padding: 5rem 4rem;
  }
}

.info h1 {
  margin: 0 0 2rem;
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: clamp(2rem, 7vw, 7rem);
  line-height: 0.9;
  letter-spacing: -0.065em;
  font-weight: 400;
  max-width: 8ch;
}

.info h4 {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 1rem 0;
  color: var(--color-text);
  width: max-content;
  max-width: 100%;
  border-radius: 5px;
  padding: 0.4rem;
  border: 1px solid rgba(23, 35, 58, 0.08);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
}

.info h4,
.expand-map {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
}

.info svg {
  width: 13px;
  min-width: 13px;
  padding-right: 0;
  fill: var(--color-text);
  opacity: 0.9;
}

.info p,
.info .shaded {
  margin-top: 3rem;
}

.info p {
  max-width: 42rem;
  color: rgba(23, 35, 58, 0.9);
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.95;
  letter-spacing: -0.01em;
  @media screen and (min-width: 53em) {
    font-size: 1.5rem;
  }
}

.info .shaded {
  color: #fff;
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-dark));
  padding: 2.5rem;
  border-radius: 9px;
  box-shadow: 0 24px 60px rgba(17, 28, 44, 0.12);
}

.info .shaded h3 {
  margin: 0 0 2rem 0;
  font-size: 1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
}

.info ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.info li {
  padding: 1.4rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  line-height: 1.8;
  font-size: 1.15rem;
}

.info li:first-child {
  border-top: 0;
}

.info li b {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.expand-map {
  border: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.4);
  margin-top: 2rem;
  color: var(--color-text);
  border-radius: 999px;
  padding: 0.9rem 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition:
    background-color 0.2s ease,
    transform 0.2s ease,
    border-color 0.2s ease;
}

.expand-map:hover {
  background-color: rgba(23, 35, 58, 0.05);
  border-color: rgba(23, 35, 58, 0.18);
  transform: translateY(-1px);
}

.expand-map svg {
  width: 14px;
  margin-right: 0.45rem;
}

.close-map {
  opacity: 0;
  z-index: 9999;
  position: fixed;
  right: 10px;
  bottom: 10px;
  padding: 1rem;
  border-radius: 5px;
  aspect-ratio: 1;
  padding: 0.4rem;
  border: 1px solid rgba(23, 35, 58, 0.08);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
  cursor: pointer;
  display: grid;
  place-items: center;
}

.close-map svg {
  fill: var(--color-text);
  width: 60%;
}