:root {
  --background: #d4d4d4;
  --foreground: #000;
  --page-inset: 24px;
  --container-padding: 32px;
}

* {
  box-sizing: border-box;
}

html {
  font-family: Inter, Arial, sans-serif;
  background: var(--background);
  color: var(--foreground);
}

body {
  margin: 0;
  min-height: 100dvh;
  overflow: hidden;
  background: var(--background);
  color: var(--foreground);
  font-size: 16px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

a,
.header-download,
.main-download,
.mobile-download,
.download-button {
  color: var(--foreground);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.header-download,
.main-download {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.mobile-download,
.download-button {
  display: none;
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: min(calc(100% - (var(--page-inset) * 2)), 760px);
  height: calc(100dvh - (var(--page-inset) * 2));
  margin: var(--page-inset) auto;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
  width: 100%;
}

.site-header {
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto;
  background: var(--background);
  border: 1px solid var(--foreground);
}

.brand {
  font-weight: 700;
  text-decoration: none;
}

.brand,
nav {
  padding: 12px var(--container-padding);
}

nav {
  border-left: 1px solid var(--foreground);
}

nav,
.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.site-footer {
  gap: 16px;
  padding: 12px var(--container-padding);
}

.site-footer span {
  margin-left: auto;
  order: 2;
}

.sprite-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-height: 100%;
  border-left: 1px solid var(--foreground);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

h1,
h2,
p,
blockquote,
figure,
ul {
  margin: 0;
}

ul {
  padding-left: 1.2em;
}

h1 {
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
}

h2 {
  font-size: inherit;
  line-height: inherit;
}

.tile,
.legal-page main {
  display: grid;
  gap: 10px;
}

.tile {
  min-height: 180px;
  padding: 20px;
  border-right: 1px solid var(--foreground);
  border-bottom: 1px solid var(--foreground);
  overflow: hidden;
}

.qr {
  width: 100%;
  max-width: 220px;
}

.intro {
  align-content: start;
  gap: 14px;
  padding: var(--container-padding) var(--container-padding) 64px;
  order: 2;
}

.app-shot {
  align-content: center;
  justify-items: center;
  padding: 40px;
  background-image: radial-gradient(var(--foreground) 1px, transparent 1px);
  background-size: 3px 3px;
  order: 1;
}

.app-shot img {
  width: 100%;
  max-width: 280px;
  padding: 32px 12px;
  background: var(--background);
  border: 1px solid var(--foreground);
  border-radius: 32px;
}

.download {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  align-content: center;
  justify-items: start;
  text-align: left;
}

.features {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.features h2 {
  font-weight: 400;
}

.download-button {
  padding: 12px;
  border: 1px solid var(--foreground);
  text-decoration: none;
  font-weight: 700;
}

.download-modal {
  width: min(calc(100% - 48px), 340px);
  padding: 24px 32px 32px;
  background: var(--background);
  color: var(--foreground);
  border: 1px solid var(--foreground);
  border-radius: 0;
  box-shadow: 6px 6px 0 var(--foreground);
}

.download-modal[open] {
  display: grid;
  gap: 16px;
  justify-items: center;
  text-align: center;
}

.download-modal::backdrop {
  background: rgb(0 0 0 / 35%);
}

.download-modal .qr {
  max-width: 280px;
}

.site-footer {
  border-left: 1px solid var(--foreground);
  border-right: 1px solid var(--foreground);
  border-bottom: 1px solid var(--foreground);
}

.legal-page h1 {
  font-size: 32px;
  line-height: 1.1;
}

.legal-page h2 {
  font-size: inherit;
  line-height: 1.15;
}

.legal-page section {
  display: grid;
  gap: 18px;
  max-width: 720px;
}

.legal-page main {
  align-content: start;
  padding: var(--container-padding) var(--container-padding) 64px;
  border: 1px solid var(--foreground);
  border-top: 0;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 760px) {
  :root {
    --page-inset: 12px;
    --container-padding: 20px;
  }

  .sprite-grid {
    grid-template-columns: 1fr;
  }

  .app-shot {
    grid-row: auto;
  }

  .site-footer {
    display: grid;
    gap: 8px;
    align-items: start;
  }

  .site-footer span {
    margin-left: 0;
    order: 3;
  }
}

@media (max-width: 760px) and (hover: none) and (pointer: coarse) {
  .header-download,
  .main-download {
    display: none;
  }

  .mobile-download,
  .download-button {
    display: inline-block;
  }
}