body {
  margin: 0;
  font-family: Arial;
  background: black;
  color: #00ff00;
  text-align: center;
}

/* BACKGROUND */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* PROFILE IMAGE (FIXED CIRCLE) */
.profile {
  width: 180px;
  height: 180px; /* MUST equal width */
  border-radius: 50%;
  border: 3px solid #00ff00;
  object-fit: cover;
  box-shadow: 0 0 20px #00ff00;
}

/* HEADER */
header {
  padding: 80px 20px;
}

h1 {
  font-size: 40px;
  text-shadow: 0 0 15px #00ff00;
}

/* TYPING */
.typing {
  margin-top: 10px;
  border-right: 2px solid #00ff00;
  display: inline-block;
  padding-right: 5px;
}

/* NAV */
nav {
  background: rgba(0,0,0,0.8);
  padding: 15px;
}

nav a {
  margin: 10px;
  color: #00ff00;
  text-decoration: none;
  transition: 0.3s;
}

nav a:hover {
  text-shadow: 0 0 10px #00ff00;
}

/* SECTIONS */
section {
  padding: 50px;
}

/* SKILLS */
.skills span {
  display: inline-block;
  margin: 10px;
  padding: 10px 15px;
  border: 1px solid #00ff00;
  transition: 0.3s;
}

.skills span:hover {
  box-shadow: 0 0 10px #00ff00;
}

/* CARDS */
.card {
  border: 1px solid #00ff00;
  margin: 20px auto;
  padding: 20px;
  width: 70%;
  transition: 0.3s;
}

.card:hover {
  box-shadow: 0 0 20px #00ff00;
}

/* BUTTONS */
.btn {
  display: inline-block;
  margin: 10px;
  padding: 12px 25px;
  background: #00ff00;
  color: black;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

.btn:hover {
  background: black;
  color: #00ff00;
  border: 1px solid #00ff00;
}

/* LINKS */
a {
  color: #00ff00;
}

a:hover {
  text-shadow: 0 0 10px #00ff00;
}

/* FOOTER */
footer {
  padding: 20px;
  background: #111;
}