:root {
  font: 16px Inter, system-ui, sans-serif;
  color: #0f172a;
  background: #f8fafc;
  --surface: #fff;
  --border: #e2e8f0;
  --muted: #475569;
  --green: #15803d;
  --green-dark: #166534;
  --green-soft: #f0fdf4;
}

* { box-sizing: border-box; }
body { margin: 0; line-height: 1.5; }
a { color: var(--green); }
a:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; }
.wrap { width: min(100% - 2rem, 70rem); margin-inline: auto; }
.skip {
  position: absolute;
  z-index: 1;
  top: .5rem;
  left: .5rem;
  padding: .5rem .75rem;
  background: var(--surface);
  transform: translateY(-160%);
}
.skip:focus { transform: translateY(0); }
.site-header { border-bottom: 1px solid var(--border); background: var(--surface); }
.header-row, .footer-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.header-row { min-height: 4.25rem; }
.brand { color: inherit; font-size: 1.25rem; font-weight: 750; text-decoration: none; }
.header-link { font-weight: 650; text-underline-offset: .25em; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding-block: clamp(2.5rem, 7vw, 5rem);
}
.eyebrow, .preview-label {
  margin: 0 0 .75rem;
  color: var(--green-dark);
  font-size: .875rem;
  font-weight: 700;
}
h1 { margin: 0; font-size: clamp(2.25rem, 5.5vw, 4rem); line-height: 1.08; letter-spacing: -.035em; }
.lead { max-width: 39rem; margin: 1.25rem 0 1.5rem; color: var(--muted); font-size: clamp(1rem, 2vw, 1.125rem); }
.button {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  min-height: 2.75rem;
  padding: .625rem 1rem;
  border-radius: .375rem;
  background: var(--green);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}
.button:hover { background: var(--green-dark); }
.access-note { margin: .625rem 0 0; color: var(--muted); font-size: .875rem; }
.project-preview {
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid #bbf7d0;
  border-radius: .75rem;
  background: var(--green-soft);
}
.preview-title { margin: 0 0 1.125rem; font-size: 1.5rem; font-weight: 750; }
.project-preview ul { margin: 0; padding: 0; list-style: none; }
.project-preview li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: .25rem .75rem;
  padding: .75rem 0;
  border-top: 1px solid #bbf7d0;
  font-weight: 600;
}
.project-preview small { color: var(--green-dark); font-weight: 600; }
.features { margin-bottom: clamp(2.5rem, 6vw, 4rem); }
h2 { margin: 0 0 1rem; font-size: clamp(1.375rem, 3vw, 2rem); line-height: 1.25; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.feature-grid article { padding: 1.125rem; border: 1px solid var(--border); border-radius: .5rem; background: var(--surface); }
.feature-grid h3 { margin: 0 0 .4rem; font-size: 1.125rem; }
.feature-grid p { margin: 0; color: var(--muted); }
.site-footer { border-top: 1px solid var(--border); color: var(--muted); font-size: .875rem; }
.footer-row { flex-wrap: wrap; padding-block: 1rem; }

@media (max-width: 46rem) {
  .hero, .feature-grid { grid-template-columns: minmax(0, 1fr); }
}