:root {
  --primary: #00f2ff; /* Tron Cyan */
  --accent: #0066ff;  /* Deep Electric Blue */
  --dark-bg: #050505; /* Near Black */
  --card-bg: #0d0d0d;
  --text-main: #ffffff;
  --text-dim: #80ced1;
  --glass: rgba(0, 242, 255, 0.1);
  --glow: 0 0 15px rgba(0, 242, 255, 0.5);
}

* {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  margin: 0;
  color: var(--text-main);
  background-color: var(--dark-bg);
  /* Subtle grid background like the Tron Floor */
  background-image: 
    linear-gradient(rgba(0, 242, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

nav {
  padding: 20px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(5, 5, 5, 0.9);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--glass);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 2px;
  color: var(--primary);
  text-shadow: var(--glow);
}

.hero {
  background: radial-gradient(circle at center, #001a1d 0%, var(--dark-bg) 70%);
  padding: 150px 20px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 900;
  margin-bottom: 10px;
  letter-spacing: -3px;
  color: #fff;
  text-shadow: 0 0 20px rgba(0, 242, 255, 0.8);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  padding: 100px 5%;
}

.feature-card {
  background: var(--card-bg);
  padding: 40px;
  border-radius: 5px; /* Sharper edges feel more "Tron" */
  border: 1px solid var(--glass);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

/* The neon border effect on hover */
.feature-card:hover {
  border-color: var(--primary);
  box-shadow: inset 0 0 20px rgba(0, 242, 255, 0.1), var(--glow);
  transform: scale(1.02);
}

.feature-card h3 {
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 15px;
}

.cta-button {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 18px 45px;
  border-radius: 2px; /* Square buttons feel more digital */
  text-decoration: none;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  box-shadow: var(--glow);
  transition: 0.3s;
}

.cta-button:hover {
  background: var(--primary);
  color: var(--dark-bg);
  box-shadow: 0 0 40px var(--primary);
}

input {
  background: #000;
  border: 1px solid var(--primary);
  padding: 15px;
  color: var(--primary);
  margin-bottom: 15px;
  font-family: 'Courier New', monospace; /* Tech feel */
}

.mission {
  border-top: 1px solid var(--glass);
  border-bottom: 1px solid var(--glass);
  padding: 100px 5%;
  text-align: center;
}