:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #12182b;
  --bg-card: #1a2236;
  --accent-cyan: #00f5ff;
  --accent-blue: #0066ff;
  --text-primary: #e8edf5;
  --text-secondary: #9ca3af;
  --grid-color: rgba(0, 245, 255, 0.1);
}

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

body {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
}

/* Background grid */
.grid-background {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 30s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes gridMove {
  from { transform: translate(0, 0); }
  to { transform: translate(50px, 50px); }
}

/* Layout */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

header {
  padding: 6rem 0 4rem;
}

section {
  margin: 4rem 0;
}

/* Typography */
h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.8rem, 7vw, 4.5rem);
  background: linear-gradient(135deg, #ffffff, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

h3 {
  font-family: 'Syne', sans-serif;
  margin-bottom: 0.5rem;
}

.title {
  font-size: 1.4rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.summary {
  margin-top: 1.5rem;
  max-width: 800px;
  color: var(--text-secondary);
}

.muted {
  color: var(--text-secondary);
}

/* Links */
.links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.link {
  padding: 0.7rem 1.4rem;
  border: 1px solid rgba(0, 245, 255, 0.3);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.link:hover {
  background: rgba(0, 245, 255, 0.1);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid rgba(0, 245, 255, 0.15);
  margin-bottom: 1.5rem;
}

/* Footer */
footer {
  border-top: 1px solid rgba(0, 245, 255, 0.1);
  text-align: center;
  padding: 2rem 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Scroll reveal */
.fade-section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-section.visible {
  opacity: 1;
  transform: translateY(0);
}