:root {
  --navy-bg: #0A0A0A;
  --white-text: #E5E7EB;
  --prof-blue: #A3FF12; /* Neon terminal green/yellow */
  --prof-blue-hover: #C1FF54;
  --muted-grey: #888888;
  --card-bg: #111111;
  --border-subtle: #222222;
  --success-green: #A3FF12;
  
  --font-main: 'Inter', monospace;
}

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

html, body {
  background-color: var(--navy-bg);
  color: var(--white-text);
  font-family: var(--font-main);
  line-height: 1.6;
  scroll-behavior: smooth;
  overflow-x: hidden;
  font-size: 16px;
  position: relative;
  min-height: 100vh;
}

/* Grid Line Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background-image: 
    linear-gradient(rgba(163, 255, 18, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(163, 255, 18, 0.03) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: -1;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

a:hover {
  color: var(--prof-blue);
  text-shadow: 0 0 8px rgba(163, 255, 18, 0.4);
}

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.text-blue { color: var(--prof-blue); }
.text-grey { color: var(--muted-grey); }
.text-small { font-size: 0.875rem; }
.text-white { color: #FFFFFF; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-4 { margin-top: 2rem; }

/* Remove default link styling for clean navs */
ul {
  list-style: none;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.4s ease forwards;
}