:root {
  --primary-color: #00f3ff;
  --secondary-color: #a67cff;
  --bg-dark: #070b19;
  --glass: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.1);
}
* { margin: 0; padding: 0; box-sizing: border-box; scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-dark);
  color: #e6e9f2;
  overflow-x: hidden;
}
nav {
  position: fixed; top: 0; width: 100%;
  background: rgba(7, 11, 25, 0.8); backdrop-filter: blur(12px);
  z-index: 100; border-bottom: 1px solid var(--border);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; max-width: 1100px; margin: 0 auto; padding: 1rem 2rem; }
.nav-logo { font-size: 1.5rem; font-weight: 800; color: var(--primary-color); text-decoration: none; }
.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a { color: #fff; text-decoration: none; font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: var(--primary-color); }
.hero { height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; background: radial-gradient(circle at 80% 20%, rgba(166,124,255,0.15), transparent 50%); }
.hero-content h1 { font-size: 4rem; margin-bottom: 1rem; background: linear-gradient(90deg, #fff, var(--primary-color)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-content p { font-size: 1.3rem; color: #a6accd; margin-bottom: 2rem; }
.section { max-width: 1000px; margin: 0 auto; padding: 6rem 2rem; }
.section h2 { font-size: 2.5rem; margin-bottom: 2rem; text-align: center; color: #fff; position: relative; }
.section h2::after { content: ''; display: block; width: 50px; height: 3px; background: var(--primary-color); margin: 10px auto 0; }
.glass-card { background: var(--glass); backdrop-filter: blur(10px); padding: 2.5rem; border-radius: 20px; border: 1px solid var(--border); line-height: 1.8; font-size: 1.1rem; text-align: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.card { background: var(--glass); border: 1px solid var(--border); border-radius: 20px; padding: 2rem; transition: transform 0.3s, box-shadow 0.3s; }
.card:hover { transform: translateY(-5px); border-color: var(--primary-color); box-shadow: 0 10px 20px rgba(0,243,255,0.1); }
.card h3 { margin-bottom: 1rem; font-size: 1.4rem; color: #fff; }
.card p { color: #a6accd; line-height: 1.6; margin-bottom: 1.5rem; }
.card-link { color: var(--primary-color); text-decoration: none; font-weight: bold; }
form { max-width: 600px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
input, textarea { width: 100%; padding: 1rem; background: rgba(0,0,0,0.3); border: 1px solid var(--border); border-radius: 12px; color: #fff; font-size: 1rem; }
input:focus, textarea:focus { border-color: var(--primary-color); outline: none; }
button, .btn { background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)); color: #070b19; padding: 1rem 2rem; border: none; border-radius: 12px; font-weight: bold; font-size: 1rem; cursor: pointer; text-decoration: none; display: inline-block; transition: opacity 0.3s; }
button:hover, .btn:hover { opacity: 0.9; }
footer { text-align: center; padding: 3rem; border-top: 1px solid var(--border); color: #a6accd; font-size: 0.9rem; }