:root {
  --bg: #0f0f0d;
  --bg-card: #1a1a17;
  --bg-card-hover: #22221e;
  --text: #d4cfc0;
  --text-muted: #7a7a6a;
  --accent: #c9ad6b;
  --accent-dim: #8a7a4a;
  --warm-glow: #2a2518;
  --border: #2a2822;
  --radius: 8px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --max-width: 720px;
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: #dfc97a; }

::selection { background: var(--accent); color: var(--bg); }

/* ===== HEADER ===== */
header {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 15, 13, 0.92);
  backdrop-filter: blur(8px);
}
.logo {
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  font-weight: 400;
}
.logo span { color: var(--text-muted); }
nav { display: flex; gap: 1.5rem; align-items: center; }
nav a { font-size: 0.85rem; color: var(--text-muted); }
nav a:hover { color: var(--text); }
.lang-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font);
  transition: all 0.2s;
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ===== HERO ===== */
.hero {
  padding: 6rem 2rem 5rem;
  text-align: center;
  max-width: var(--max-width);
  margin: 0 auto;
}
.hero-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  display: block;
  opacity: 0.8;
}
.hero h1 {
  font-size: 2.8rem;
  font-weight: 350;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
  margin: 0 0 1.5rem;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.75rem 1.8rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: var(--font);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 500;
}
.btn-primary:hover { background: #dfc97a; color: var(--bg); }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); }

/* ===== SECTIONS ===== */
section { padding: 4rem 2rem; }
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-dim);
  margin-bottom: 0.75rem;
}
section h2 {
  font-size: 1.8rem;
  font-weight: 350;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0 0 1.5rem;
}
section h1 {
  font-size: 2.2rem;
  font-weight: 350;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--text);
  margin: 0 0 1.5rem;
}

section p {
  color: #a4a190;
  margin: 0 0 1.2rem;
  font-size: 1rem;
}

.section-inner div[style*="text-muted"] p {
  color: var(--text-muted);
}

.section-inner p:has(+ .btn-primary) {
  color: var(--text-muted);
}

/* ===== PRINCIPLES GRID ===== */
.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.principles-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: background 0.2s;
}
.principles-card:hover { background: var(--bg-card-hover); }
.principles-card h3 {
  font-size: 1rem;
  font-weight: 450;
  color: var(--accent);
  margin: 0 0 0.5rem;
}
.principles-card p {
  font-size: 0.9rem;
  margin: 0;
}

/* ===== CONTENT PREVIEW ===== */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.content-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s;
  display: block;
}
.content-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}
.content-card .num {
  font-size: 0.75rem;
  color: var(--accent-dim);
  font-family: var(--font-mono);
}
.content-card h3 {
  font-size: 1rem;
  font-weight: 450;
  margin: 0.3rem 0 0.5rem;
}
.content-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* ===== CALL TO ACTION ===== */
.cta-section {
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--warm-glow) 100%);
  border-top: 1px solid var(--border);
  padding: 5rem 2rem;
}
.cta-section h2 { margin-bottom: 1rem; }
.cta-section p { max-width: 500px; margin: 0 auto 2rem; }

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}
footer a { color: var(--text-muted); }
footer a:hover { color: var(--accent); }
footer .footer-links { display: flex; gap: 1.5rem; justify-content: center; margin-bottom: 1rem; flex-wrap: wrap; }

/* ===== LANGUAGE SWITCHER OVERLAY ===== */
.lang-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  justify-content: center;
  align-items: center;
}
.lang-overlay.active { display: flex; }
.lang-overlay-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 400px;
  width: 90%;
}
.lang-overlay-content h3 { margin: 0 0 1rem; font-weight: 400; }
.lang-overlay-content button {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.9rem;
  transition: all 0.2s;
  text-align: left;
}
.lang-overlay-content button:last-child { margin-bottom: 0; }
.lang-overlay-content button:hover { border-color: var(--accent); color: var(--accent); }
.lang-overlay-content .close-lang {
  margin-top: 1rem;
  text-align: center;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
}

/* ===== RTL (Arabic) ===== */
[dir="rtl"] .principles-card,
[dir="rtl"] .lang-overlay-content button { text-align: right; }
[dir="rtl"] nav { flex-direction: row-reverse; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  nav a { font-size: 0.8rem; }
  nav { gap: 0.6rem; }
  .principles { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
}

@media (max-width: 600px) {
  header { padding: 1rem; flex-direction: column; gap: 0.75rem; text-align: center; }
  nav { gap: 0.5rem; flex-wrap: wrap; justify-content: center; }
  nav a { font-size: 0.78rem; padding: 0.3rem 0.4rem; }
  .lang-btn { font-size: 0.75rem; padding: 0.25rem 0.5rem; }

  .hero { padding: 3rem 1rem 2.5rem; }
  .hero h1 { font-size: 1.8rem; }
  .hero p { font-size: 1rem; }
  .hero-icon { font-size: 2rem; }

  section { padding: 2.5rem 1rem; }
  section h1 { font-size: 1.6rem; line-height: 1.3; }
  section h2 { font-size: 1.4rem; }
  section p { font-size: 0.95rem; }

  hr { margin: 1.5rem 0 !important; }

  .section-inner > p[style*="font-size: 1.1rem"] {
    font-size: 1rem !important;
    max-width: 100% !important;
    margin-bottom: 1.5rem !important;
  }

  .principles { grid-template-columns: 1fr; }
  .principles-card { padding: 1.25rem; }

  .content-grid { grid-template-columns: 1fr; }
  .content-card { padding: 1.25rem; }

  .cta-section { padding: 3rem 1rem; }

  [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  [style*="display: grid"][style*="1fr 1fr"] {
    gap: 1rem !important;
  }

  footer { padding: 2rem 1rem; }
  footer .footer-links { gap: 1rem; }
  footer p { font-size: 0.75rem; }
}

@media (max-width: 400px) {
  header { padding: 0.75rem 0.5rem; }
  nav { gap: 0.3rem; }
  nav a { font-size: 0.72rem; padding: 0.25rem 0.3rem; }
  .lang-btn { font-size: 0.7rem; padding: 0.2rem 0.4rem; }

  .hero { padding: 2rem 0.75rem 1.5rem; }
  .hero h1 { font-size: 1.4rem; }
  .hero p { font-size: 0.9rem; }
  .hero-icon { font-size: 1.6rem; }

  section { padding: 2rem 0.75rem; }
  section h1 { font-size: 1.3rem; }
  section h2 { font-size: 1.2rem; }
  section p { font-size: 0.9rem; }

  .principles-card { padding: 1rem; }
  .content-card { padding: 1rem; }
  .content-card h3 { font-size: 0.9rem; }

  .cta-section { padding: 2rem 0.75rem; }

  .lang-overlay-content { padding: 1.5rem; }
  .lang-overlay-content button { font-size: 0.85rem; padding: 0.6rem 0.8rem; }

  .section-inner > p[style*="font-size: 1.1rem"] {
    font-size: 0.9rem !important;
  }

  .btn { font-size: 0.85rem; padding: 0.6rem 1.2rem; }
  .hero-actions { flex-direction: column; align-items: center; }

  footer { padding: 1.5rem 0.75rem; }
}