:root {
  --bg-dark: #0b0e12;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.2);
  --accent: #1e90ff;
  --accent-soft: rgba(30, 144, 255, 0.3);
  --text-light: #e0e6ed;
  --shadow-glass: rgba(0, 0, 0, 0.6);
}

/* Base */
body {
  margin: 0;
  background: var(--bg-dark);
  color: var(--text-light);
  font-family: 'Orbitron', sans-serif;
  overflow-x: hidden;
}

/* Glass sections */
.section {
  padding: 6rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 32px var(--shadow-glass);
  margin: 2rem auto;
  max-width: 1200px;
}

/* Navbar */
nav#navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  z-index: 1000;
}
nav#navbar .container.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 2rem;
}
nav#navbar ul.nav-links {
  display: flex;
  flex-direction: row;
  gap: 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
nav#navbar ul.nav-links li a {
  color: var(--text-light);
  text-decoration: none;
  position: relative;
  padding-bottom: 0.25rem;
  transition: color 0.2s;
}
nav#navbar ul.nav-links li a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s ease, left 0.2s ease;
}
nav#navbar ul.nav-links li a:hover,
nav#navbar ul.nav-links li a.active {
  color: #fff;
}
nav#navbar ul.nav-links li a:hover::after,
nav#navbar ul.nav-links li a.active::after {
  left: 0;
  width: 100%;
}

/* Hero + particles container */
header#hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0; left: 0;
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
}
/* ... дальше остальные стили из enhancement ... */
body {
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

body.visible {
  opacity: 1;
}