/* invoiceNow / oisinmcgrath.com — plain CSS, no external fonts or CDNs */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell,
    "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background: #f6f7f9;
}

a {
  color: #0b5cab;
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: #08427a;
}

a:focus-visible {
  outline: 2px solid #0b5cab;
  outline-offset: 2px;
}

.wrap {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

header.site-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #d8dde6;
}

header.site-header h1 {
  margin: 0 0 0.35rem;
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

header.site-header .tagline {
  margin: 0;
  color: #4a5568;
  font-size: 0.95rem;
}

nav.site-nav {
  margin-top: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font-size: 0.95rem;
}

nav.site-nav a {
  text-decoration: none;
  font-weight: 500;
}

nav.site-nav a:hover {
  text-decoration: underline;
}

nav.site-nav a[aria-current="page"] {
  color: #1a1a1a;
  text-decoration: none;
  font-weight: 700;
}

main h2 {
  margin: 1.75rem 0 0.65rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

main h3 {
  margin: 1.25rem 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 650;
}

main p,
main li {
  color: #222;
}

main p {
  margin: 0 0 0.85rem;
}

main ul,
main ol {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
}

main li {
  margin-bottom: 0.4rem;
}

main li > ul,
main li > ol {
  margin-top: 0.35rem;
  margin-bottom: 0.35rem;
}

.lead {
  font-size: 1.05rem;
  color: #2d3748;
}

.card {
  background: #fff;
  border: 1px solid #d8dde6;
  border-radius: 8px;
  padding: 1.15rem 1.25rem;
  margin: 1rem 0 1.5rem;
}

.card h2 {
  margin-top: 0;
}

.meta {
  color: #4a5568;
  font-size: 0.9rem;
}

.links {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 1rem;
}

.links li {
  margin-bottom: 0.45rem;
}

code,
.mono {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas,
    monospace;
  font-size: 0.88em;
  background: #eef1f6;
  padding: 0.1em 0.35em;
  border-radius: 3px;
  word-break: break-word;
}

footer.site-footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid #d8dde6;
  font-size: 0.88rem;
  color: #4a5568;
}

footer.site-footer p {
  margin: 0 0 0.4rem;
  color: inherit;
}

footer.site-footer a {
  color: #0b5cab;
}

.notice {
  background: #eef6ff;
  border: 1px solid #c5daf0;
  border-radius: 6px;
  padding: 0.85rem 1rem;
  margin: 1rem 0;
  font-size: 0.95rem;
}

@media (max-width: 480px) {
  .wrap {
    padding: 1.15rem 1rem 2.5rem;
  }

  header.site-header h1 {
    font-size: 1.4rem;
  }
}