:root {
  --brand: #d30208;
  --brand-dark: #a80206;
  --ink: #171111;
  --muted: #5a5050;
  --line: rgba(211, 2, 8, 0.13);
  --bg: #f5f4f6;
  --card: #ffffff;
  --glow: rgba(211, 2, 8, 0.1);
  --radius: 16px;
  --max: 860px;
  --font: "Segoe UI", "Tahoma", "Noto Sans Arabic", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(900px 360px at 8% -8%, var(--glow), transparent 58%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 48%, #ecebef 100%);
  min-height: 100vh;
  line-height: 1.65;
  font-size: 16px;
}

body[dir="rtl"] { text-align: right; }

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: min(var(--max), calc(100% - 2.25rem));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
}

.brand:hover { text-decoration: none; }

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 11px;
  box-shadow: 0 6px 16px rgba(211, 2, 8, 0.18);
}

.brand-text strong {
  display: block;
  font-size: 1.12rem;
  letter-spacing: 0.03em;
  color: var(--brand);
  line-height: 1.2;
}

.brand-text span {
  display: block;
  font-size: 0.76rem;
  color: var(--muted);
  margin-top: 0.1rem;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: #fff;
}

.lang-switch button {
  border: 0;
  background: transparent;
  padding: 0.42rem 0.8rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
  color: var(--muted);
}

.lang-switch button.active {
  background: var(--brand);
  color: #fff;
}

.hero {
  padding: 2rem 0 1rem;
}

.hero-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  padding: 1.55rem 1.45rem 1.35rem;
  box-shadow: 0 12px 28px rgba(26, 18, 18, 0.05);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 5px;
  background: var(--brand);
}

.kicker {
  display: inline-block;
  color: var(--brand);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.45rem, 2.8vw, 1.95rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.hero-lead {
  margin: 0;
  color: var(--ink);
  max-width: 38rem;
}

.hero-lead p {
  margin: 0 0 0.28rem;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.55;
}

.hero-lead p:first-child {
  color: var(--ink);
  font-weight: 600;
}

.nav-pages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.2rem 0 0;
}

.nav-pages a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.48rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-pages a .nav-icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  opacity: 0.9;
}

.nav-pages a:hover,
.nav-pages a.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  text-decoration: none;
}

.nav-pages a:hover .nav-icon,
.nav-pages a.active .nav-icon {
  opacity: 1;
}

.content {
  padding: 0.35rem 0 2.4rem;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem 1.3rem 1.25rem;
  margin-bottom: 0.9rem;
  box-shadow: 0 8px 20px rgba(26, 18, 18, 0.035);
}

.panel h2 {
  margin: 0 0 0.7rem;
  font-size: 1.08rem;
  color: var(--brand-dark);
  letter-spacing: -0.01em;
}

.panel p,
.panel li {
  color: #2a2222;
  font-size: 0.98rem;
}

.panel p { margin: 0 0 0.65rem; }
.panel p:last-child { margin-bottom: 0; }

.panel ul {
  margin: 0.15rem 0 0;
  padding-inline-start: 1.15rem;
}

.panel li { margin: 0.32rem 0; }

.feature-grid,
.highlight-grid {
  list-style: none;
  padding: 0;
  margin: 0.15rem 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem 0.85rem;
}

.feature-grid li,
.highlight-grid li {
  margin: 0;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #faf9fa;
  font-size: 0.94rem;
  line-height: 1.4;
}

.highlight-grid li {
  border-inline-start: 3px solid var(--brand);
}

.callout {
  border-inline-start: 4px solid var(--brand);
  background: rgba(211, 2, 8, 0.06);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  margin: 0.7rem 0 0;
}

.callout strong { color: var(--brand-dark); }

.meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.publisher-list {
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.publisher-list div {
  display: grid;
  gap: 0.15rem;
}

.publisher-list dt {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.publisher-list dd {
  margin: 0;
  font-size: 1rem;
  color: var(--ink);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: grid;
  gap: 0.35rem;
  text-align: center;
  justify-items: center;
}

.footer-version {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}

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

.footer-copy {
  margin-top: 0.25rem;
  color: var(--muted);
}

.footer a { color: var(--muted); }
.footer a:hover { color: var(--brand); }

.lang-block { display: none; }
.lang-block.show { display: block; }

@media (max-width: 700px) {
  .wrap { width: min(var(--max), calc(100% - 1.5rem)); }
  .brand img { width: 40px; height: 40px; }
  .hero { padding-top: 1.35rem; }
  .panel, .hero-card { padding: 1.1rem 1rem; }
  .feature-grid,
  .highlight-grid { grid-template-columns: 1fr; }
  .nav-pages a { font-size: 0.86rem; padding: 0.44rem 0.72rem; }
  .hero-lead p { font-size: 0.98rem; }
}

@media (min-width: 901px) {
  .feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .highlight-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-card { padding: 1.75rem 1.7rem 1.5rem; }
  .panel { padding: 1.45rem 1.5rem; }
}