:root {
  color-scheme: light dark;
  --background: #f2f1ec;
  --ink: #111715;
  --muted: #5c6662;
  --line: #cbd0ca;
  --accent: #087a60;
  --accent-soft: rgba(8, 122, 96, 0.12);
  --glow: rgba(48, 188, 145, 0.16);
  --panel: rgba(255, 255, 255, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 20rem;
  background: var(--background);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 18%, var(--glow), transparent 28rem),
    var(--background);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--line) 36%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--line) 28%, transparent) 1px, transparent 1px);
  background-size: 5rem 5rem;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.65), transparent 72%);
}

a {
  color: inherit;
}

.page {
  display: flex;
  min-height: 100vh;
  width: min(100% - 3rem, 76rem);
  margin-inline: auto;
  flex-direction: column;
}

.site-header {
  display: flex;
  min-height: 6rem;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.wordmark,
.github-link {
  font-size: 0.875rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.wordmark-sign {
  display: grid;
  width: 2rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  color: var(--accent);
  font-size: 0.7rem;
  letter-spacing: -0.08em;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding-block: 0.45rem;
  border-bottom: 1px solid transparent;
  color: var(--muted);
  transition: border-color 160ms ease, color 160ms ease;
}

.github-link:hover {
  border-color: var(--accent);
  color: var(--ink);
}

main {
  flex: 1;
}

.hero {
  display: grid;
  min-height: clamp(32rem, 66vh, 47rem);
  grid-template-columns: minmax(0, 1.4fr) minmax(15rem, 0.6fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  padding-block: clamp(4.5rem, 9vw, 8rem);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 2rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.status span {
  width: 0.55rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0.4rem var(--accent-soft);
}

h1 {
  margin: 0;
  font-size: clamp(4.8rem, 12vw, 10rem);
  font-weight: 760;
  letter-spacing: -0.085em;
  line-height: 0.78;
}

.tagline {
  max-width: 25ch;
  margin: clamp(2.25rem, 5vw, 4rem) 0 0;
  font-size: clamp(1.4rem, 3vw, 2.25rem);
  font-weight: 430;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.orbital {
  position: relative;
  display: grid;
  width: min(100%, 20rem);
  aspect-ratio: 1;
  place-self: center;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: radial-gradient(circle, var(--panel), transparent 68%);
}

.orbital::before {
  position: absolute;
  width: 135%;
  height: 38%;
  border: 1px solid color-mix(in srgb, var(--accent) 62%, var(--line));
  border-radius: 50%;
  content: "";
  transform: rotate(-28deg);
}

.orbital::after {
  position: absolute;
  top: 17%;
  right: 8%;
  width: 0.7rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0.55rem var(--accent-soft);
  content: "";
}

.orbital > span {
  color: var(--ink);
  font-size: clamp(5rem, 10vw, 8rem);
  font-weight: 200;
  letter-spacing: -0.12em;
  transform: translateX(-0.07em);
}

.focus {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.focus ol {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(3, 1fr);
  list-style: none;
}

.focus li {
  display: flex;
  min-height: 9rem;
  padding: 1.5rem;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  font-weight: 580;
  letter-spacing: -0.02em;
}

.focus li + li {
  border-left: 1px solid var(--line);
}

.index {
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

footer {
  display: flex;
  min-height: 7rem;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  border-radius: 0.25rem;
  background: var(--ink);
  color: var(--background);
  font-weight: 650;
  text-decoration: none;
  transform: translateY(-200%);
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 0.25rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 46rem) {
  .page {
    width: min(100% - 2rem, 76rem);
  }

  .site-header {
    min-height: 5rem;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-block: 4.5rem 3.5rem;
  }

  .orbital {
    width: min(70vw, 15rem);
    margin: 1.5rem 0 1rem;
  }

  .focus ol {
    grid-template-columns: 1fr;
  }

  .focus li {
    min-height: 6rem;
    padding-inline: 0;
    flex-direction: row;
    align-items: center;
  }

  .focus li + li {
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #0d1211;
    --ink: #e8ede9;
    --muted: #96a19c;
    --line: #2e3935;
    --accent: #45d6aa;
    --accent-soft: rgba(69, 214, 170, 0.13);
    --glow: rgba(25, 148, 111, 0.17);
    --panel: rgba(255, 255, 255, 0.025);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}