:root {
  --bg-primary: #050505;
  --bg-secondary: #0a0a0a;
  --accent-green: #00ff9d;
  --accent-green-dim: rgba(0, 255, 157, 0.1);
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.05);
  --font-main: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: linear-gradient(to right, #fff, var(--text-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-accent {
  color: var(--accent-green);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--accent-green);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
}

.hero-content {
  max-width: 800px;
  z-index: 10;
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--accent-green);
  color: #000;
  box-shadow: 0 0 20px var(--accent-green-dim);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--accent-green-dim);
}

/* Features Grid */
.features {
  padding: 8rem 0;
  position: relative;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 2.5rem;
  border-radius: 16px;
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--accent-green);
  transform: translateY(-5px);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-green-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-green);
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-secondary);
}

/* Footer */
footer {
  padding: 4rem 0;
  border-top: 1px solid var(--glass-border);
  text-align: center;
  color: var(--text-secondary);
}

/* Background Effects */
.glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    var(--accent-green-dim) 0%,
    transparent 70%
  );
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.glow-1 {
  top: -200px;
  right: -200px;
}

.glow-2 {
  bottom: -200px;
  left: -200px;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}