:root {
  color-scheme: light;
  --ink: #181a1f;
  --paper: #f7f8fa;
  --surface: #ffffff;
  --quiet: #5b606b;
  --line: #d8dce3;
  --blue: #1d4ed8;
  --modelmatch: #8c1d4e;
  --medalmiles: #0f766e;
  --display: "Aptos Display", "Segoe UI Variable Display", "Helvetica Neue", Arial, sans-serif;
  --body: "Aptos", "Segoe UI Variable Text", "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --page-padding: clamp(1rem, 4vw, 4.5rem);
  --content-width: 84rem;
}

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

body {
  display: grid;
  min-height: 100svh;
  grid-template-rows: auto 1fr auto;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.6;
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.6rem 0.85rem;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
main,
footer {
  width: min(100%, var(--content-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  min-height: 5rem;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--page-padding);
  border-bottom: 1px solid var(--line);
}

.site-title {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.index-status {
  margin: 0;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.85rem;
}

h1,
p {
  margin-top: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 1.5rem;
  font-family: var(--display);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

p {
  max-width: 67ch;
}

main {
  display: grid;
  min-height: 0;
}

.project-picker {
  display: grid;
  grid-template-columns: minmax(18rem, 0.72fr) minmax(28rem, 1.28fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  padding: clamp(3.5rem, 9vh, 7rem) var(--page-padding);
  background: var(--paper);
}

.intro-summary {
  max-width: 42rem;
  margin-bottom: 0;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.project-list {
  display: grid;
  border-bottom: 1px solid var(--line);
}

.project-entry {
  --entry-accent: var(--blue);
  display: grid;
  width: 100%;
  min-height: 9rem;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(1rem, 3vw, 2rem);
  align-items: center;
  padding: clamp(1.5rem, 3vw, 2.5rem) clamp(0.25rem, 1.2vw, 1rem);
  border-top: 1px solid var(--line);
  color: var(--ink);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.project-entry-modelmatch {
  --entry-accent: var(--modelmatch);
}

.project-entry-medalmiles {
  --entry-accent: var(--medalmiles);
}

.project-entry[href]:hover,
.project-entry[href]:focus-visible {
  color: var(--entry-accent);
}

.project-entry:focus-visible {
  outline-offset: 3px;
}

.project-state,
footer {
  font-family: var(--mono);
}

.project-copy {
  display: grid;
  gap: 0.7rem;
}

.project-name {
  font-family: var(--display);
  font-size: clamp(2.35rem, 4.5vw, 4rem);
  font-weight: 650;
  line-height: 0.95;
  letter-spacing: -0.025em;
}

.project-state {
  color: var(--quiet);
  font-size: 0.88rem;
}

.project-arrow {
  display: grid;
  width: 3rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 1.5rem;
  line-height: 1;
  transition:
    color 140ms ease-out,
    background-color 140ms ease-out,
    border-color 140ms ease-out,
    transform 140ms ease-out;
}

.project-entry[href]:hover .project-arrow,
.project-entry[href]:focus-visible .project-arrow {
  border-color: var(--entry-accent);
  background: var(--entry-accent);
  color: var(--surface);
  transform: translateX(0.2rem);
}

.project-entry-unavailable {
  background: #f0f1f3;
  color: var(--quiet);
  cursor: not-allowed;
  opacity: 1;
}

footer {
  padding: 1.25rem var(--page-padding) 1.5rem;
  color: var(--quiet);
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
}

footer p {
  margin-bottom: 0;
}

@media (max-width: 56rem) {
  .project-picker {
    grid-template-columns: 1fr;
    gap: clamp(1.75rem, 5vh, 3rem);
  }
}

@media (max-width: 38rem) {
  .site-header {
    gap: 1rem;
    padding-block: 0.75rem;
  }

  .index-status {
    display: none;
  }

  .project-entry {
    min-height: 6.25rem;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
    padding: 1.25rem 0;
  }

  .project-name {
    overflow-wrap: anywhere;
    font-size: clamp(1.75rem, 9vw, 2.5rem);
  }

  .project-arrow {
    font-size: 1.5rem;
  }
}

@media (max-height: 40rem) and (min-width: 56.01rem) {
  .project-picker {
    padding-block: 2rem;
  }

  .project-entry {
    min-height: 6rem;
    padding-block: 1rem;
  }
}

@media (max-width: 38rem) and (max-height: 42rem) {
  .site-header {
    min-height: 3.75rem;
    padding-block: 0.35rem;
  }

  .project-picker {
    gap: 0.8rem;
    padding-block: 1rem;
  }

  h1 {
    margin-bottom: 0.5rem;
    font-size: 2.1rem;
  }

  .intro-summary {
    font-size: 1rem;
    line-height: 1.4;
  }

  .project-list {
    gap: 0.6rem;
  }

  .project-entry {
    min-height: 4.75rem;
    padding-block: 0.65rem;
  }

  .project-name {
    font-size: 1.5rem;
  }

  .project-state {
    font-size: 0.85rem;
  }

  footer {
    padding-block: 0.65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-arrow {
    transition: none;
  }
}