:root {
  --paper: #f3efe6;
  --card: #f7f4ee;
  --ink: #14211e;
  --muted: #5c675f;
  --teal: #10211e;
  --gold: #c6a36a;
  --gold-btn: #e4c48a;
  --line: rgba(20, 33, 30, 0.12);
  --max: 760px;
}

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

html { scroll-behavior: smooth; }

body {
  display: flex;
  flex-direction: column;
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  font-family: "IBM Plex Sans Arabic", "IBM Plex Sans", sans-serif;
  font-size: 1.05rem;
  line-height: 1.7;
}

a { color: var(--teal); }

.nav {
  position: sticky;
  top: 0;
  z-index: 4;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  min-height: 76px;
  padding: 14px 36px;
  background: rgba(243, 239, 230, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.2rem;
}

.mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--gold-btn);
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
}

.nav-links a:hover { color: #3d4a44; }

.nav-links a[aria-current="page"] {
  color: var(--teal);
  box-shadow: inset 0 -2px 0 var(--gold);
}

main {
  flex: 1;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 36px 88px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 0;
}

.meta {
  margin: 0 0 28px;
  color: var(--gold);
  font-weight: 700;
  font-size: 0.92rem;
}

h2 {
  margin: 36px 0 12px;
  padding-top: 18px;
  border-top: 1.5px solid var(--ink);
  font-size: 1.2rem;
  line-height: 1.4;
}

p { margin: 0 0 14px; }

ul {
  margin: 0 0 18px;
  padding-inline-start: 1.25rem;
}

li { margin: 0 0 8px; }

code {
  font-family: "IBM Plex Sans", ui-monospace, monospace;
  font-size: 0.92em;
}

a.btn {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  margin: 8px 0 20px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--gold-btn);
  color: var(--teal);
  font-weight: 700;
  text-decoration: none;
}

a.btn:hover { filter: brightness(1.04); }

.callout-warning {
  background: var(--card);
  border: 1px solid var(--line);
  border-inline-start: 3px solid var(--gold);
  border-radius: 16px;
  padding: 16px 18px;
  margin-bottom: 24px;
}

.callout-warning strong {
  display: block;
  margin-bottom: 4px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: center;
  justify-content: space-between;
  padding: 22px 36px 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  gap: 22px;
}

.footer a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}

@media (max-width: 800px) {
  .nav {
    grid-template-columns: 1fr;
    padding: 12px 20px;
  }

  .nav-links {
    overflow-x: auto;
    gap: 18px;
  }

  main { padding: 48px 20px 64px; }

  .footer { padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}