:root {
  --bg: #121212;
  --nav: #1a1a1a;
  --fg: #1e1e1e;
  --text: #a5d6a7;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: "Fira Mono", monospace;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.07),
    rgba(255, 255, 255, 0.07) 2px,
    transparent 2px,
    transparent 6px
  );
  animation: scanlines-move 3s linear infinite;
  pointer-events: none;
  mix-blend-mode: overlay;
}

@keyframes scanlines-move {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-6px);
  }
}

/* Navbar */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--nav);
  border-bottom: 1px solid var(--text);
  box-shadow: 0 0 6px rgba(165, 214, 167, 0.3);
  display: flex;
  font-weight: 700;
  justify-content: center;
  user-select: none;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  color: #a5d6a7;
  font-family: "Fira Mono", monospace;
  letter-spacing: 1px;
  overflow: visible;
  z-index: 1;
}

.back {
  position: absolute;
  left: 1rem;
}

nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav a {
  color: var(--text);
  position: relative;
  display: inline-block;
  padding: 0 4px;
  text-decoration: underline;
  overflow: visible;
}
nav a:hover {
  color: #c8facc;
}

/* Glitch Effect */
@keyframes glitch {
  0%,
  100% {
    transform: none;
    opacity: 0.4;
  }
  15% {
    transform: translate(-1px, -1px) skew(-0.5deg);
    opacity: 0.3;
  }
  30% {
    transform: translate(1px, 1px) skew(0.5deg);
    opacity: 0.4;
  }
  45% {
    transform: translate(-1px, 0.5px) skew(-0.3deg);
    opacity: 0.35;
  }
  60% {
    transform: translate(0.5px, -1px) skew(0.3deg);
    opacity: 0.4;
  }
  75% {
    transform: translate(-0.5px, 1px) skew(-0.2deg);
    opacity: 0.3;
  }
}

.glitch {
  position: relative;
  display: inline-block;
  color: inherit;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.4;
  animation: glitch 2.5s infinite ease-in-out;
}

.glitch::before {
  color: rgba(255, 0, 0, 0.6);
  animation-delay: 0s;
}

.glitch::after {
  color: rgba(0, 128, 255, 0.6);
  animation-delay: 0.3s;
}
/* Main container */
main {
  background-color: var(--fg);
  border: 1px solid var(--text);
  padding: 3rem 2rem 2rem 2rem;
  border-radius: 8px;
  box-shadow: 0 0 8px rgba(165, 214, 167, 0.2);
  max-width: 800px;
  margin: 5rem auto 2rem auto;
  position: relative;
  color: var(--text);
  font-size: 1.125rem;
}

/* Headers styling */
h1 {
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--text);
  text-shadow: 0 0 3px rgba(165, 214, 167, 0.3);
  margin-top: 1rem;
  margin-bottom: 0;
}

h2 {
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text);
  text-shadow: 0 0 3px rgba(165, 214, 167, 0.3);
  margin-top: 2rem;
  margin-bottom: 0;
}

h3,
h4,
h5 {
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text);
  text-shadow: 0 0 3px rgba(165, 214, 167, 0.3);
}

/* Focus outlines */
*:focus {
  outline: none;
  box-shadow: 0 0 0 2px #a5d6a766;
}

/* Text */
p,
li,
a {
  color: var(--text);
  text-decoration: none;
  margin-top: 0;
  margin-bottom: 0;
}

a {
  text-decoration: underline;
}

main a:hover {
  color: #c8facc;
}

code {
  color: var(--fg);
  background-color: var(--text);
  font-style: italic;
}

/* Images */
img {
  max-width: 100%;
}