:root {
  --bg-primary: #0a0a0f;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --border-glass: rgba(255, 255, 255, 0.08);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --accent-green: #10b981;
  --accent-gold: #f59e0b;
  --accent-glow: rgba(16, 185, 129, 0.3);
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: var(--transition);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(16, 185, 129, 0.2);
  box-shadow: 0 12px 40px 0 var(--accent-glow);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-green), #059669);
  color: #fff;
  border: none;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px var(--accent-glow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.btn-primary:active {
  transform: scale(0.97);
}

.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-glass);
  padding: 12px 20px;
  justify-content: space-around;
  z-index: 1000;
}

.mobile-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.mobile-nav a.active, .mobile-nav a:hover {
  color: var(--accent-green);
}

.mobile-nav svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 768px) {
  .mobile-nav {
    display: flex;
  }
  body {
    padding-bottom: 80px;
  }
}