/* GeoData Nexus — Landing Page */
:root {
  --gdn-bg: rgb(2 6 23);
  --gdn-surface: rgb(15 23 42);
  --gdn-border: rgb(51 65 85);
  --gdn-accent: rgb(99 102 241);
  --gdn-accent-hover: rgb(129 140 248);
  --gdn-emerald: rgb(16 185 129);
  --gdn-sky: rgb(56 189 248);
  --gdn-text: rgb(248 250 252);
  --gdn-muted: rgb(148 163 184);
}

html { scroll-behavior: smooth; color-scheme: dark; }
html[lang="ar"] { direction: rtl; }

.gdn-mixed-text,
html[lang="ar"] .gdn-landing p,
html[lang="ar"] .gdn-landing li,
html[lang="ar"] .gdn-landing summary {
  direction: rtl;
  text-align: right;
  unicode-bidi: isolate;
}
.gdn-en-inline {
  direction: ltr;
  unicode-bidi: isolate;
  display: inline;
  font-family: 'Cairo', sans-serif;
}

.gdn-landing {
  font-family: 'Cairo', sans-serif;
  background: var(--gdn-bg);
  color: var(--gdn-text);
  line-height: 1.7;
}

.gdn-landing-container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.gdn-landing-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgb(30 41 59 / 0.8);
  background: rgb(2 6 23 / 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.gdn-landing-hero {
  background: linear-gradient(135deg, rgb(49 46 129) 0%, rgb(30 27 75) 40%, rgb(2 6 23) 100%);
  border-bottom: 1px solid rgb(99 102 241 / 0.2);
}

.gdn-stat-card {
  background: var(--gdn-surface);
  border: 1px solid var(--gdn-border);
  border-radius: 1rem;
  padding: 1.25rem;
}

.gdn-pricing-card {
  background: var(--gdn-surface);
  border: 1px solid var(--gdn-border);
  border-radius: 1.25rem;
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}
.gdn-pricing-card:hover { border-color: rgb(99 102 241 / 0.5); }
.gdn-pricing-card.featured {
  border-color: rgb(99 102 241 / 0.6);
  box-shadow: 0 0 0 1px rgb(99 102 241 / 0.2), 0 20px 40px rgb(0 0 0 / 0.35);
}

.gdn-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  background: var(--gdn-accent);
  color: white;
  font-weight: 700;
  border-radius: 0.75rem;
  transition: background 0.2s;
  min-height: 3rem;
}
.gdn-btn-primary:hover { background: var(--gdn-accent-hover); }

.gdn-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  background: rgb(255 255 255 / 0.08);
  border: 1px solid rgb(255 255 255 / 0.15);
  color: var(--gdn-text);
  font-weight: 600;
  border-radius: 0.75rem;
  transition: background 0.2s;
  min-height: 3rem;
}
.gdn-btn-secondary:hover { background: rgb(255 255 255 / 0.12); }

.gdn-module-pill {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.gdn-faq details {
  border: 1px solid var(--gdn-border);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--gdn-surface);
  margin-bottom: 0.75rem;
}
.gdn-faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.gdn-faq summary::-webkit-details-marker { display: none; }

.gdn-landing-footer {
  border-top: 1px solid var(--gdn-border);
  padding: 2.5rem 0;
  text-align: center;
  color: var(--gdn-muted);
  font-size: 0.875rem;
}

@media (max-width: 640px) {
  .gdn-landing-hero h1 { font-size: 2rem; }
}