:root {
  --background: #101b16;
  --foreground: #eff5eb;
  --muted: #93a193;
  --primary: #64b96d;
  --primary-foreground: #07100b;
  --border: #26362d;
  --card: #17241d;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--background);
  color: var(--foreground);
}

body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at 80% 8%, rgba(100, 185, 109, 0.1), transparent 28rem),
    var(--background);
  color: var(--foreground);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

a {
  color: inherit;
}

.page {
  width: min(100%, 48rem);
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 1.5rem 6rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
}

.brand,
.top-link,
.eyebrow,
button,
.avatar-card figcaption,
.notes span,
.x-button,
.footer {
  font-family:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    Menlo,
    monospace;
}

.brand {
  font-size: 0.875rem;
  letter-spacing: -0.02em;
}

.brand span,
.eyebrow,
.avatar-card figcaption,
.footer {
  color: var(--muted);
}

.top-link,
.footer a {
  color: var(--primary);
  font-size: 0.875rem;
  text-decoration: none;
  text-underline-offset: 0.25rem;
}

.top-link:hover,
.footer a:hover {
  text-decoration: underline;
}

.hero {
  display: grid;
  align-items: center;
  gap: 2.5rem;
  padding-top: 4rem;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1 {
  max-width: 42rem;
  margin: 1.5rem 0 0;
  color: var(--foreground);
  font-size: clamp(1.875rem, 7vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.06;
  text-wrap: balance;
}

.hero-action {
  margin-top: 2.5rem;
}

button,
.x-button {
  display: inline-flex;
  align-items: center;
  border-radius: 0.125rem;
  font-size: 0.875rem;
  line-height: 1;
}

button {
  border: 0;
  padding: 0.75rem 1.25rem;
  background: var(--primary);
  color: var(--primary-foreground);
  cursor: not-allowed;
  opacity: 0.7;
}

.avatar-card {
  width: 10rem;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  background: var(--card);
}

.avatar-card img {
  display: block;
  width: 100%;
  image-rendering: pixelated;
}

.avatar-card figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding: 0.55rem 0.75rem;
  font-size: 0.625rem;
}

.notes {
  display: grid;
  gap: 4rem;
  margin-top: 6rem;
}

.notes article {
  display: grid;
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.notes span {
  color: var(--primary);
  font-size: 0.875rem;
}

.notes p {
  margin: 0;
  color: rgba(239, 245, 235, 0.9);
  font-size: 1rem;
  line-height: 1.75;
  text-wrap: pretty;
}

.closing {
  margin-top: 6rem;
  border-top: 1px solid var(--border);
  padding-top: 4rem;
  text-align: center;
}

.tagline {
  max-width: 36rem;
  margin: 0 auto;
  color: var(--foreground);
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.2;
  text-wrap: balance;
}

.subline {
  max-width: 28rem;
  margin: 1rem auto 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.7;
  text-wrap: pretty;
}

.x-button {
  margin-top: 2rem;
  border: 1px solid var(--primary);
  padding: 0.75rem 1.25rem;
  color: var(--primary);
  text-decoration: none;
  transition:
    background 160ms ease,
    color 160ms ease;
}

.x-button:hover {
  background: var(--primary);
  color: var(--primary-foreground);
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 6rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  font-size: 0.75rem;
}

@media (min-width: 640px) {
  .hero {
    grid-template-columns: 1fr auto;
    padding-top: 6rem;
  }

  .avatar-card {
    width: 12rem;
  }

  .notes article {
    grid-template-columns: auto 1fr;
    gap: 2.5rem;
  }

  .notes p {
    font-size: 1.125rem;
  }
}

@media (max-width: 520px) {
  .page {
    padding-inline: 1.25rem;
  }

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

  .hero {
    padding-top: 3rem;
  }
}