@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Exo+2:wght@300;400;600;700;900&family=Orbitron:wght@400;700;900&display=swap');

:root {
  --green: #39ff14;
  --green-dim: #1a7a00;
  --green-dark: #0d3d00;
  --amber: #ffb300;
  --red: #ff3c00;
  --bg: #050a03;
  --bg2: #080f05;
  --bg3: #0c1a08;
  --panel: rgba(10, 25, 6, 0.92);
  --border: rgba(57, 255, 20, 0.25);
  --border-bright: rgba(57, 255, 20, 0.6);
  --text: #d8f0d0;
  --text-dim: #8ab880;
  --font-mono: 'Share Tech Mono', monospace;
  --font-hud: 'Orbitron', monospace;
  --font-body: 'Exo 2', sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

html {
  overflow-x: hidden;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scanlines overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.06) 2px, rgba(0,0,0,0.06) 4px
  );
  pointer-events: none;
  z-index: 9000;
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-dim); }
::-webkit-scrollbar-thumb:hover { background: var(--green); }

/* Page routing system */
.page { display: none; min-height: 100vh; padding-top: 68px; }
.page.active { display: block; }

/* Animations */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes blink    { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes scanline { 0%, 100% { opacity: 0; transform: scaleX(0); } 50% { opacity: 1; transform: scaleX(1); } }
@keyframes gridPulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

/* ===== SHARED: Page header ===== */
.page-header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 3rem 2rem 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  animation: scanline 3s linear infinite;
}
.page-header-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--amber);
  letter-spacing: 0.28em;
  margin-bottom: 0.75rem;
}
.page-header h1 {
  font-family: var(--font-hud);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  color: var(--green);
  text-shadow: 0 0 30px rgba(57, 255, 20, 0.4);
  letter-spacing: 0.05em;
}

/* ===== SHARED: Content area ===== */
.content-area {
  max-width: 920px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

/* ===== SHARED: Section title ===== */
.section-title {
  font-family: var(--font-hud);
  font-size: 1rem;
  color: var(--amber);
  letter-spacing: 0.15em;
  margin-bottom: 1.2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 179, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ===== SHARED: Footer ===== */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  line-height: 2.2;
}
footer .green { color: var(--green); }
footer .amber { color: var(--amber); }

@media (max-width: 768px) {
  .content-area { padding: 1.5rem 1rem; }
  .page-header  { padding: 2rem 1rem 1.5rem; }
}