:root {
  color-scheme: dark;
  --background: #061529;
  --surface: rgba(15, 43, 76, 0.72);
  --surface-strong: #102f55;
  --text: #f7f9fc;
  --muted: #b8c9dc;
  --line: rgba(184, 201, 220, 0.18);
  --accent: #ffc477;
  --accent-strong: #ffab52;
  --blue: #69a8df;
  --max-width: 1180px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 8%, rgba(74, 137, 194, 0.28), transparent 28rem),
    radial-gradient(circle at 12% 28%, rgba(255, 171, 82, 0.12), transparent 25rem),
    var(--background);
  font-size: 1rem;
  line-height: 1.65;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  padding: 0.65rem 1rem;
  color: #071b35;
  background: var(--accent);
  border-radius: 0.4rem;
  transform: translateY(-200%);
}

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

.site-header,
main,
footer {
  width: min(calc(100% - 2.5rem), var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.15rem;
  font-weight: 720;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand img {
  border-radius: 0.75rem;
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.22);
}

nav {
  display: flex;
  gap: 1.5rem;
}

nav a,
footer a,
.text-link {
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}

nav a:hover,
footer a:hover,
.text-link:hover {
  color: var(--accent);
}

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

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
  min-height: min(760px, calc(100vh - 90px));
  padding-block: clamp(4rem, 10vw, 8rem);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 14ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3.1rem, 8vw, 6.5rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.1rem, 5vw, 3.8rem);
}

h3 {
  margin-bottom: 0.8rem;
  font-size: 1.45rem;
}

.hero-summary {
  max-width: 60ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.7rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 0.55rem;
  font-weight: 720;
  text-decoration: none;
}

.button-primary {
  color: #071b35;
  background: var(--accent);
}

.button-primary:hover {
  background: var(--accent-strong);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.button-secondary:hover {
  border-color: var(--blue);
  background: rgba(105, 168, 223, 0.09);
}

.hero-art {
  position: relative;
  margin: 0;
}

.hero-art::before {
  position: absolute;
  inset: 8%;
  z-index: -1;
  content: "";
  background: rgba(255, 171, 82, 0.25);
  border-radius: 50%;
  filter: blur(4rem);
}

.hero-art img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: clamp(1.2rem, 4vw, 2.5rem);
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.34);
}

.section {
  padding-block: clamp(4.5rem, 10vw, 8rem);
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2.5rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  min-height: 19rem;
  padding: clamp(1.4rem, 3vw, 2rem);
  background: linear-gradient(145deg, var(--surface-strong), var(--surface));
  border: 1px solid var(--line);
  border-radius: 1rem;
}

.card-number {
  margin: 0 0 4rem;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0.12em;
}

.card p:last-child,
.status p,
.section-summary,
.roadmap-step p,
.contribute p {
  color: var(--muted);
}

code {
  color: var(--accent);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.status {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 8vw, 7rem);
  align-items: start;
}

.facts {
  margin: 0;
  padding: 0.5rem 0;
  border-top: 1px solid var(--line);
}

.facts div {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 1rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--line);
}

.facts dt {
  color: var(--muted);
}

.facts dd {
  margin: 0;
  font-weight: 680;
}

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.roadmap-step {
  display: flex;
  min-height: 22rem;
  padding: clamp(1.4rem, 3vw, 2rem);
  flex-direction: column;
  background: rgba(15, 43, 76, 0.48);
  border: 1px solid var(--line);
  border-radius: 1rem;
}

.roadmap-step .roadmap-state {
  margin: 0 0 3rem;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.issue-links {
  display: flex;
  gap: 0.65rem;
  margin-top: auto;
  padding-top: 1.5rem;
}

.issue-links a {
  padding: 0.35rem 0.65rem;
  color: var(--text);
  background: rgba(105, 168, 223, 0.12);
  border: 1px solid rgba(105, 168, 223, 0.28);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 680;
  text-decoration: none;
}

.issue-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.roadmap-link {
  display: inline-block;
  margin-top: 2rem;
}

.card-link {
  display: inline-block;
  margin-top: 1rem;
}

.contribute {
  display: flex;
  gap: 2rem;
  align-items: end;
  justify-content: space-between;
}

.contribute > div {
  max-width: 720px;
}

.text-link {
  flex: 0 0 auto;
  padding-bottom: 0.2rem;
  border-bottom: 1px solid currentColor;
}

footer {
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  padding-block: 2rem 3rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

footer p {
  margin: 0;
}

.organization-mark,
.legal {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.organization-mark {
  color: var(--text);
  font-weight: 680;
}

.organization-mark img {
  width: 3.5rem;
  height: 3.5rem;
  object-fit: contain;
}

.legal {
  justify-content: flex-end;
}

@media (max-width: 800px) {
  nav a:not(:last-child) {
    display: none;
  }

  .hero,
  .status {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-art {
    width: min(100%, 28rem);
  }

  .card-grid,
  .roadmap-grid {
    grid-template-columns: 1fr;
  }

  .card,
  .roadmap-step {
    min-height: auto;
  }

  .card-number {
    margin-bottom: 2rem;
  }

  .contribute,
  footer,
  .legal {
    align-items: flex-start;
    flex-direction: column;
  }
}

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