:root {
  --paper: #E6E1D6;
  --paper-raised: #EFEBE1;
  --ink: #171B22;
  --ink-soft: #4A5160;
  --cobalt: #1D4C8C;
  --brass: #9C7128;
  --line: #C9C1AE;
  --line-soft: #D8D2C2;

  --font-display: Iowan Old Style, Palatino Linotype, Georgia, "Noto Serif", serif;
  --font-body: "Helvetica Neue", Helvetica, Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12161D;
    --paper-raised: #191E27;
    --ink: #ECE7D9;
    --ink-soft: #A3AAB8;
    --cobalt: #6C9AD9;
    --brass: #D3A75C;
    --line: #2B3140;
    --line-soft: #232936;
  }
}
:root[data-theme="dark"] {
  --paper: #12161D;
  --paper-raised: #191E27;
  --ink: #ECE7D9;
  --ink-soft: #A3AAB8;
  --cobalt: #6C9AD9;
  --brass: #D3A75C;
  --line: #2B3140;
  --line-soft: #232936;
}
:root[data-theme="light"] {
  --paper: #E6E1D6;
  --paper-raised: #EFEBE1;
  --ink: #171B22;
  --ink-soft: #4A5160;
  --cobalt: #1D4C8C;
  --brass: #9C7128;
  --line: #C9C1AE;
  --line-soft: #D8D2C2;
}

* { box-sizing: border-box; }
html { color-scheme: light dark; }

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

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

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

header.site {
  border-bottom: 1px solid var(--line-soft);
}

.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.35rem 0;
  max-width: 900px;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 1.5rem;
  height: 1.5rem;
  flex: none;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.back-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
}
.back-link:hover { color: var(--cobalt); }

.lang-switch {
  display: flex;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.lang-switch a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.15rem 0.1rem;
}
.lang-switch a:hover { color: var(--cobalt); }
.lang-switch a[aria-current="true"] {
  color: var(--ink);
  font-weight: 700;
  border-bottom: 2px solid var(--cobalt);
}

.flag-icon {
  width: 1.15rem;
  height: auto;
  flex: none;
  border-radius: 2px;
  border: 1px solid var(--line);
}

main {
  padding: clamp(2.5rem, 7vw, 4.5rem) 0 clamp(4rem, 10vw, 6rem);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  margin: 0.6rem 0 0.5rem;
  text-wrap: balance;
}

.updated {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-bottom: 2.5rem;
}

h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.3rem;
  margin: 2.5rem 0 0.9rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-soft);
}

section:first-of-type h2 {
  border-top: none;
  padding-top: 0;
}

p { margin: 0 0 1rem; color: var(--ink); }

ul {
  margin: 0 0 1rem;
  padding-left: 1.3rem;
}
li { margin-bottom: 0.4rem; }

.block {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.block p { margin-bottom: 0.4rem; }
.block p:last-child { margin-bottom: 0; }

.todo {
  font-style: italic;
  color: var(--brass);
}

footer.site {
  border-top: 1px solid var(--line-soft);
  padding: 1.5rem 0 2.5rem;
}

footer.site .wrap {
  max-width: 900px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}

/* ---------- Arabe (RTL) ---------- */

html[lang="ar"] {
  --font-display: "Noto Naskh Arabic", "Geeza Pro", Tahoma, Georgia, serif;
  --font-body: "Noto Kufi Arabic", "Geeza Pro", Tahoma, Arial, sans-serif;
  --font-mono: "Noto Kufi Arabic", "Geeza Pro", Tahoma, monospace;
}

html[lang="ar"] .eyebrow,
html[lang="ar"] .back-link,
html[lang="ar"] .lang-switch,
html[lang="ar"] .updated,
html[lang="ar"] footer.site .wrap {
  letter-spacing: normal;
}

html[lang="ar"] ul { padding-left: 0; padding-right: 1.3rem; }