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

body {
  font-family: 'Roboto', sans-serif;
  background-color: #0f0f0f;
  color: #e0e0e0;
  line-height: 1.6;
  scroll-behavior: smooth;
  position: relative;
}

/* Monospace for project descriptions */
.desc {
  font-family: 'Fira Mono', monospace;
  color: #b0f2c2;
}

/* Links */
a {
  color: #1abc9c;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Navigation */
nav {
  position: sticky;
  top: 0;
  background-color: #111;
  border-bottom: 1px solid #222;
  z-index: 1000;
}

nav .nav-container {
  display: flex;
  justify-content: flex-end;
  padding: 1rem 2rem;
  gap: 2rem;
}

/* Header */
header {
  text-align: center;
  padding: 4rem 2rem;
  border-bottom: 1px solid #222;
}

header h1 {
  font-size: 2.8rem;
  color: #1abc9c;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 5px #1abc9c;
}

header .tagline {
  font-size: 1.2rem;
  color: #7f8c8d;
}

/* Section Headings */
section h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #1abc9c;
  text-shadow: 0 0 3px #1abc9c;
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding-bottom: 3rem;
}

/* Card */
.card {
  background-color: #1a1a1a;
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid #222;
  transition: transform 0.3s, box-shadow 0.3s, text-shadow 0.3s;
  position: relative;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 20px #1abc9c;
  text-shadow: 0 0 3px #1abc9c;
}

.card h3 {
  color: #1abc9c;
  margin-bottom: 0.5rem;
}

.card .tech {
  font-size: 0.9rem;
  font-style: italic;
  color: #7f8c8d;
  margin-bottom: 1rem;
}

.card .impact {
  font-weight: 500;
  margin-top: 1rem;
  color: #ecf0f1;
}

/* Icons */
.card .icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid #222;
  font-size: 0.9rem;
  color: #7f8c8d;
}

footer a {
  color: #1abc9c;
}

/* Subtle background gradient */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: radial-gradient(circle at top left, #0f0f0f, #111);
  opacity: 0.4;
  pointer-events: none;
  z-index: -2;
  animation: bgMove 60s linear infinite;
}

@keyframes bgMove {
  0% { background-position: 0 0; }
  50% { background-position: 100% 100%; }
  100% { background-position: 0 0; }
}

/* Matrix-style falling lines */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(26, 188, 156, 0.05) 0px,
    rgba(26, 188, 156, 0.05) 1px,
    transparent 1px,
    transparent 2px
  );
  z-index: -1;
  animation: matrixScroll 2s linear infinite;
}

@keyframes matrixScroll {
  0% { background-position: 0 0; }
  100% { background-position: 0 100%; }
}

/* Flickering dots (code rain) */
@keyframes flicker {
  0%, 19%, 21%, 50%, 52%, 100% { opacity: 0.05; }
  20%, 51% { opacity: 0.2; }
}

.flicker-dot {
  position: fixed;
  width: 2px;
  height: 2px;
  background: #1abc9c;
  opacity: 0.05;
  pointer-events: none;
  z-index: -1;
  animation: flicker linear infinite;
}

/* Generate multiple dots dynamically via JS */
<script>
const dotCount = 50;
for (let i = 0; i < dotCount; i++) {
  const dot = document.createElement('div');
  dot.className = 'flicker-dot';
  dot.style.top = Math.random() * 100 + 'vh';
  dot.style.left = Math.random() * 100 + 'vw';
  dot.style.animationDuration = (Math.random() * 3 + 2) + 's';
  document.body.appendChild(dot);
}
</script>