:root {
  color-scheme: light dark;
  --bg: #fbfaf7;
  --text: #1f2933;
  --muted: #52616f;
  --line: #d8d3c8;
  --link: #1d5f8f;
  --focus: #8a5a2b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  transform: translateY(-200%);
  background: var(--text);
  color: var(--bg);
  padding: 0.5rem 0.75rem;
  border-radius: 0.25rem;
}

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

header,
main,
footer {
  width: min(100% - 2rem, 44rem);
  margin: 0 auto;
}

header {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--line);
}

main {
  padding: 1.5rem 0 2rem;
}

footer {
  padding: 1.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

h1,
h2,
p,
ul {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.75rem;
  font-size: clamp(2rem, 8vw, 3rem);
  line-height: 1.1;
}

h2 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
  line-height: 1.3;
}

section {
  padding: 1.25rem 0;
}

a {
  color: var(--link);
  text-underline-offset: 0.2em;
}

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

nav ul {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

main ul {
  padding-left: 1.25rem;
}

.eyebrow,
.note {
  color: var(--muted);
}

.eyebrow {
  margin-bottom: 0.5rem;
  font-weight: 700;
  letter-spacing: 0;
}

.lang-nav {
  margin-top: 1.5rem;
}

.lang-nav ul {
  font-size: 0.95rem;
}

.lang-nav [aria-current="page"] {
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
}

.app-list ul {
  flex-direction: column;
  gap: 0.5rem;
}

/* Right-to-left layout (e.g. Arabic): mirror text and list indents. */
[dir="rtl"] .skip-link {
  left: auto;
  right: 1rem;
}

[dir="rtl"] main ul {
  padding-left: 0;
  padding-right: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151719;
    --text: #f1efe8;
    --muted: #b8b2a7;
    --line: #403c35;
    --link: #9cc8ff;
    --focus: #e0b56e;
  }
}