:root {
  --bg: #f6f5f2;
  --card: #ffffff;
  --text: #142022;
  --muted: #4a5b60;
  --border: #d8dfdf;
  --accent: #0f766e;
  --accent-quiet: #d9efe8;
  --shadow: 0 14px 40px rgba(8, 25, 30, 0.06);
  --radius: 14px;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 2.75rem;
  --max-width: 1100px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1214;
    --card: #0f1719;
    --text: #f1f5f4;
    --muted: #9bb3b3;
    --border: #1f2b2f;
    --accent: #43b59f;
    --accent-quiet: rgba(67, 181, 159, 0.18);
    --shadow: 0 14px 42px rgba(0, 0, 0, 0.45);
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-size: clamp(16px, 1.2vw, 18px);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "SF Pro Text", "Noto Sans Arabic", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

img { max-width: 100%; }

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 1rem;
  padding: var(--space-2) var(--space-3);
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
  transition: top 0.2s ease;
  z-index: 10;
}

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

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--border);
  z-index: 9;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.brand-mark {
  font-size: 1.6rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-title {
  font-weight: 700;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.95rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lang-group {
  display: inline-flex;
  gap: var(--space-1);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem;
  background: color-mix(in srgb, var(--card) 92%, transparent);
}

.chip {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.chip:hover,
.chip:focus-visible {
  border-color: var(--border);
  outline: none;
}

.chip.is-active {
  background: var(--accent-quiet);
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
}

.chip.ghost {
  border: 1px dashed var(--border);
  background: transparent;
}

.page {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.hero {
  padding: var(--space-6) 0 var(--space-5);
}

.hero-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

.hero-text h1 {
  margin: 0.4rem 0 0.6rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
}

.eyebrow {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent);
  font-size: 0.85rem;
}

.lede {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 70ch;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.badge {
  background: var(--accent-quiet);
  color: var(--text);
  padding: 0.55rem 0.9rem;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 50%, transparent);
  font-weight: 600;
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
}

.summary-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow);
}

.summary-header h2 {
  margin: 0 0 0.3rem;
}

.summary-header .muted {
  margin: 0;
}

.summary-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
  padding: 0;
}

.summary-list dt {
  margin-bottom: 0.25rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.summary-list dd {
  margin: 0;
  font-weight: 700;
}

.language-note {
  padding: 0 0 var(--space-3);
}

.note-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  background: var(--card);
  border-radius: var(--radius);
  padding: var(--space-4);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: var(--accent-quiet);
  color: var(--accent);
  font-weight: 700;
}

.content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
}

.panel {
  display: block;
}

.content-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow);
}

.content-block h2 {
  margin-top: 0;
  margin-bottom: var(--space-3);
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.content-block h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.content-block p {
  margin: 0 0 var(--space-3);
  color: var(--text);
}

.content-block ul {
  margin: 0 0 var(--space-3);
  padding-left: 1.2rem;
  color: var(--text);
  display: grid;
  gap: 0.45rem;
}

.grid.two {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-4) 0;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: var(--space-2);
}

.muted {
  color: var(--muted);
}

.tag.pill {
  justify-self: start;
}

:root[dir="rtl"] body {
  direction: rtl;
}

:root[dir="rtl"] .header-inner,
:root[dir="rtl"] .footer-inner {
  flex-direction: row-reverse;
}

:root[dir="rtl"] .content-block,
:root[dir="rtl"] .summary-card,
:root[dir="rtl"] .note-grid {
  text-align: right;
}

@media (min-width: 720px) {
  .header-inner {
    padding: var(--space-4) 0;
  }

  .hero-grid {
    grid-template-columns: 1.2fr 0.9fr;
    align-items: start;
  }

  .note-grid {
    grid-template-columns: 2fr 1fr;
    align-items: center;
  }

  .grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media print {
  :root {
    color-scheme: light;
  }

  body {
    background: #fff;
    color: #000;
  }

  .site-header,
  .header-actions,
  .chip,
  .tag,
  .badge,
  .badges {
    display: none !important;
  }

  .content-block,
  .summary-card,
  .note-grid {
    box-shadow: none;
    border-color: #ccc;
  }
}