:root {
  --bg: #ffffff;
  --ink: #1f2428;
  --muted: #4a5560;
  --accent: #2d5a3d;
  --accent-ink: #1f4029;
  --focus: #2d5a3d;
  --font: Helvetica, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--bg);
  padding: 0.75rem 1rem;
  text-decoration: none;
  font-weight: 600;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 4.5rem 1.75rem 3rem;
}

header.site-header {
  margin-bottom: 4.5rem;
}

.brand {
  font-family: var(--font);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
  line-height: 1.15;
}

main section {
  margin-bottom: 3rem;
}

h2 {
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-ink);
  margin: 0 0 1.25rem;
}

p {
  margin: 0 0 1.1rem;
  color: var(--ink);
}

.bio p:last-child { margin-bottom: 0; }

.product-list,
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.product-list li,
.contact-list li {
  padding: 0.25rem 0;
}

.product-name {
  font-family: var(--font);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}

.product-desc {
  color: var(--muted);
  font-size: 0.97rem;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 120ms ease;
}

a:hover { color: var(--accent-ink); }

a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 2px;
}

footer.site-footer {
  margin-top: 5rem;
  font-size: 0.875rem;
  color: var(--muted);
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .wrap { padding: 2.5rem 1.25rem 2rem; }
  .brand { font-size: 1.75rem; }
  header.site-header { margin-bottom: 3rem; }
  main section { margin-bottom: 2.25rem; }
  h2 { font-size: 0.95rem; }
  footer.site-footer { margin-top: 3rem; }
}