:root {
  color-scheme: dark;
  --background: #0a0a0a;
  --background-texture: radial-gradient(
    circle,
    #141414 0 4px,
    #121212 5px,
    #0e0e0e 6px,
    #0a0a0a 7.5px
  );
  --foreground: #fff;
  --accent: #e6983f;
  --muted: #888;
  --rule: #707070;
  --page-gutter: clamp(1.5rem, 6.2vw, 7.5rem);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background-color: var(--background);
  background-image: var(--background-texture);
  background-size: 30px 30px;
}

body {
  min-width: 20rem;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  background-color: var(--background);
  background-image: var(--background-texture);
  background-size: 30px 30px;
  color: var(--foreground);
  font-family: "Space Grotesk", Arial, sans-serif;
}

.page-shell {
  width: 100%;
  min-height: 100vh;
  padding: 10px var(--page-gutter) 3rem;
}

.masthead h1 {
  margin: 0;
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
}

.tagline {
  margin: 0.5rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--rule);
  color: var(--accent);
  font-size: 2.4rem;
  line-height: 1.2;
}

.introduction {
  max-width: 38.8125rem;
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 1.125rem;
  line-height: 1.3;
}

.applications {
  margin-top: 1.89rem;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.section-heading::after {
  height: 1px;
  flex: 1;
  background: var(--rule);
  content: "";
}

.section-heading h2,
footer p,
.application-code {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.15em;
}

.section-heading h2 {
  margin: 0;
  text-transform: uppercase;
}

.application-list {
  margin: 0.8rem 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
  list-style: none;
}

.application-list li {
  border-bottom: 1px solid var(--rule);
}

.application-link {
  display: grid;
  grid-template-columns: 8.7rem 14.1rem minmax(18rem, 1fr) auto;
  align-items: center;
  min-height: 4.7rem;
  color: inherit;
  text-decoration: none;
}

.application-number {
  color: var(--accent);
  font-family: "Space Mono", monospace;
  font-size: 1.5rem;
}

.application-name {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}

.application-description {
  color: var(--muted);
  font-size: 1.125rem;
  line-height: 1.35;
}

.application-code {
  justify-self: end;
  white-space: nowrap;
}

.application-link:hover .application-name,
.application-link:focus-visible .application-name {
  color: var(--accent);
}

.application-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

footer {
  margin-top: 1.275rem;
}

footer p {
  margin: 0;
  line-height: 1.6;
}

footer span {
  text-transform: uppercase;
}

@media (max-width: 62rem) {
  .masthead h1 {
    font-size: clamp(3.6rem, 9.6vw, 5rem);
  }

  .tagline {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
  }

  .application-link {
    grid-template-columns: 5.5rem 12rem 1fr;
    gap: 0.25rem 1rem;
    padding: 1rem 0;
  }

  .application-code {
    display: none;
  }
}

@media (max-width: 42rem) {
  .masthead h1 {
    font-size: clamp(3rem, 16vw, 4.2rem);
  }

  .tagline {
    margin-top: 1.25rem;
    padding-top: 0.9rem;
    font-size: clamp(1.4rem, 6.4vw, 2rem);
  }

  .introduction {
    margin-top: 1rem;
    font-size: 1rem;
  }

  .applications {
    margin-top: 1.575rem;
  }

  .application-link {
    grid-template-columns: 3rem 1fr;
    gap: 0.45rem 1rem;
  }

  .application-number {
    grid-row: 1 / span 2;
    align-self: start;
    padding-top: 0.15rem;
    font-size: 1.125rem;
  }

  .application-name {
    font-size: 1.485rem;
  }

  .application-description {
    font-size: 1rem;
  }

  footer {
    margin-top: 1rem;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .application-name {
    transition: color 150ms ease;
  }
}