/* Shared foundation for GeoVision public pages. Page-specific layout stays local. */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-dark: #050914;
  --bg-darker: #020408;
  --bg-card: rgba(15, 23, 42, 0.85);
  --bg-surface: rgba(30, 41, 59, 0.5);
  --border: rgba(148, 163, 184, 0.12);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #22c55e;
  --accent-green: #22c55e;
  --accent-blue: #0ea5e9;
  --accent-cyan: #06b6d4;
  --gradient-primary: linear-gradient(135deg, #22c55e, #0ea5e9);
  --gradient-glow: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(14, 165, 233, 0.15));
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--bg-navbar, rgba(5, 9, 20, 0.92));
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  text-decoration: none;
}

.navbar-logo {
  width: 42px;
  height: 42px;
  overflow: hidden;
  border-radius: 10px;
}

.navbar-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.navbar-brand-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.navbar-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--accent-cyan);
}

.btn-nav {
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  background: var(--gradient-primary);
  color: #020617;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(34, 197, 94, 0.3);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  border: none;
  background: none;
  cursor: pointer;
}

.navbar-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: 0.3s;
}

.lang-toggle {
  display: flex;
  gap: 0.25rem;
  margin-left: 1rem;
  padding-left: 1rem;
  border-left: 1px solid var(--border);
}

.lang-btn {
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  border-color: transparent;
  background: var(--gradient-primary);
  color: #020617;
}

@media (max-width: 768px) {
  .navbar-nav,
  .lang-toggle {
    display: none;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-nav.show {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 9999;
    display: flex;
    min-width: 200px;
    flex-direction: column;
    padding: 0.5rem 0;
    border: 1px solid rgba(95, 212, 255, 0.3);
    border-radius: 12px;
    background: #0b1428;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.8);
  }

  .navbar-nav.show a {
    display: block;
    padding: 0.9rem 1.4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .navbar-nav.show a:last-child {
    border-bottom: none;
  }

  .lang-toggle.show {
    position: static;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-left: 0;
    padding: 0.7rem 1rem;
    border-top: 1px solid rgba(95, 212, 255, 0.2);
    border-left: none;
  }
}