:root {
  --font-en: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-ar: "Tajawal", "Inter", system-ui, sans-serif;
  --bg: #0c0a09;
  --text: #f5f5f4;
  --muted: #d6d3d1;
  --muted-soft: #a8a29e;
  --panel: rgba(255, 255, 255, 0.05);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --panel-border: rgba(255, 255, 255, 0.1);
  --accent: #fbbf24;
  --accent-soft: rgba(251, 191, 36, 0.12);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --visual-bg: linear-gradient(135deg, #1c1917 0%, #292524 48%, rgba(120, 53, 15, 0.45) 100%);
  --ambient: radial-gradient(circle at 20% 20%, rgba(251,191,36,0.22), transparent 22%),
             radial-gradient(circle at 80% 18%, rgba(255,255,255,0.08), transparent 16%),
             radial-gradient(circle at 50% 100%, rgba(251,191,36,0.16), transparent 28%);
}

body[data-theme="heritage"] {
  --bg: #1a1410;
  --panel: rgba(42, 31, 24, 0.55);
  --panel-strong: rgba(35, 26, 21, 0.8);
  --panel-border: rgba(254, 215, 170, 0.1);
  --accent: #fdba74;
  --accent-soft: rgba(251, 146, 60, 0.12);
  --visual-bg: linear-gradient(135deg, #2a1d15 0%, #3b2618 48%, rgba(107, 63, 33, 0.65) 100%);
  --ambient: radial-gradient(circle at 20% 20%, rgba(251,146,60,0.18), transparent 22%),
             radial-gradient(circle at 80% 12%, rgba(255,237,213,0.08), transparent 16%),
             radial-gradient(circle at 45% 100%, rgba(180,83,9,0.18), transparent 28%);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  font-family: var(--font-en);
  background: var(--bg);
  color: var(--text);
  position: relative;
  overflow-x: hidden;
}

.page-bg,
.page-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.page-bg {
  background:
    radial-gradient(circle at top, rgba(245,158,11,0.14), transparent 30%),
    radial-gradient(circle at bottom, rgba(120,113,108,0.18), transparent 35%);
  opacity: 1;
}

body[data-theme="heritage"] .page-bg {
  background:
    radial-gradient(circle at top, rgba(251,191,36,0.10), transparent 25%),
    radial-gradient(circle at bottom, rgba(180,83,9,0.13), transparent 36%),
    radial-gradient(circle at left, rgba(146,64,14,0.10), transparent 28%);
}

.page-overlay {
  background: linear-gradient(to bottom, rgba(12,10,9,0.45), rgba(12,10,9,0.84));
}

.site-shell {
  position: relative;
  z-index: 1;
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.topbar,
.theme-switcher-card,
.hero-grid,
.bottom-cards {
  width: 100%;
}

.topbar {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.brand-en {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.35em;
  color: color-mix(in srgb, var(--accent) 86%, white 14%);
}

.brand-ar {
  margin-top: 8px;
  color: var(--muted);
  font-family: var(--font-ar);
  font-size: 0.95rem;
}

.topbar-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--panel-border);
  background: var(--panel-strong);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.92rem;
  color: #e7e5e4;
  backdrop-filter: blur(10px);
}

.badge-gold {
  background: color-mix(in srgb, var(--accent) 10%, transparent 90%);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent 70%);
  color: #fff7ed;
}

.theme-switcher-card,
.glass-card {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.theme-switcher-card {
  margin-top: 28px;
  border-radius: 30px;
  padding: 20px;
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.section-label,
.card-label,
.visual-caption-label {
  margin: 0;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--accent);
}

.section-text,
.card-copy,
.visual-caption-sub {
  margin: 0;
  color: #e7e5e4;
  line-height: 1.9;
}

.section-text {
  margin-top: 8px;
  max-width: 700px;
  font-size: 1rem;
  color: var(--muted);
  font-family: var(--font-ar);
}

.theme-buttons {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
}

.theme-btn {
  border: 1px solid var(--panel-border);
  background: var(--panel-strong);
  color: var(--text);
  border-radius: 20px;
  padding: 16px;
  text-align: left;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.theme-btn:hover {
  transform: translateY(-1px);
}

.theme-btn.active {
  background: var(--accent);
  color: #1c1917;
  border-color: transparent;
}

.theme-btn-title {
  display: block;
  font-weight: 700;
  font-size: 0.98rem;
}

.theme-btn-sub {
  display: block;
  margin-top: 5px;
  font-size: 0.9rem;
  font-family: var(--font-ar);
  opacity: 0.88;
}

.hero-grid {
  display: grid;
  gap: 42px;
  align-items: center;
  grid-template-columns: 1.05fr 0.95fr;
  margin-top: 32px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  padding: 10px 16px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.76rem;
  color: var(--muted);
  backdrop-filter: blur(10px);
}

.hero-pill-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 70%, transparent 30%);
}

.hero-title-en {
  margin: 18px 0 0;
  font-size: clamp(2.8rem, 6vw, 5.3rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.03em;
  max-width: 760px;
}

.hero-title-ar {
  margin: 18px 0 0;
  font-family: var(--font-ar);
  font-size: clamp(2.1rem, 4.8vw, 4.4rem);
  line-height: 1.2;
  font-weight: 800;
  color: var(--accent);
  max-width: 760px;
}

.message-grid,
.bottom-cards {
  display: grid;
  gap: 16px;
}

.message-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 24px;
}

.glass-card {
  border-radius: 28px;
  padding: 24px;
}

.card-copy {
  margin-top: 12px;
  font-size: 1rem;
}

.feature-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--panel-border);
  background: var(--panel-strong);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.95rem;
  color: #e7e5e4;
  backdrop-filter: blur(8px);
}

.hero-visual-card {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  border: 1px solid var(--panel-border);
  background: var(--visual-bg);
  box-shadow: var(--shadow);
  min-height: 620px;
}

.visual-ambient {
  position: absolute;
  inset: 0;
  background: var(--ambient);
}

.hero-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.hero-svg.is-visible {
  opacity: 1;
}

.visual-caption {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.30);
  backdrop-filter: blur(12px);
  padding: 20px;
}

.visual-caption-title {
  margin: 12px 0 0;
  font-size: clamp(1.8rem, 3.4vw, 2.4rem);
  line-height: 1.1;
  font-weight: 700;
}

.visual-caption-sub {
  margin-top: 8px;
  font-family: var(--font-ar);
  color: var(--muted);
}

.bottom-cards {
  margin-top: 28px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.muted-ar {
  margin-top: 8px;
  color: var(--muted-soft);
  font-family: var(--font-ar);
}

@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual-card {
    min-height: 560px;
  }
}

@media (max-width: 820px) {
  .site-shell {
    width: min(100% - 24px, 1280px);
    padding-top: 24px;
    padding-bottom: 40px;
  }

  .theme-switcher-card {
    padding: 18px;
  }

  .theme-buttons,
  .message-grid,
  .bottom-cards {
    grid-template-columns: 1fr;
  }

  .hero-title-en {
    font-size: clamp(2.2rem, 10vw, 3.4rem);
  }

  .hero-title-ar {
    font-size: clamp(1.85rem, 8vw, 2.8rem);
  }

  .visual-caption {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }
}