/* GridWars.run — neon-grid TRON-program-civ aesthetic */
/* Palette: deep space black, electric cyan, hot magenta, grid-line indigo */

:root {
  --bg-void: #060810;
  --bg-deep: #0a0e1a;
  --bg-surface: #0f1628;
  --bg-card: #121a30;
  --grid-line: rgba(0, 200, 255, 0.07);
  --cyan: #00e5ff;
  --cyan-dim: rgba(0, 229, 255, 0.6);
  --cyan-glow: rgba(0, 229, 255, 0.15);
  --magenta: #ff2d78;
  --magenta-dim: rgba(255, 45, 120, 0.6);
  --indigo: #4060ff;
  --indigo-dim: rgba(64, 96, 255, 0.4);
  --amber: #ffb020;
  --text-primary: #e8f0ff;
  --text-secondary: rgba(200, 220, 255, 0.65);
  --text-muted: rgba(150, 175, 220, 0.45);
  --border-glow: rgba(0, 229, 255, 0.2);
  --border-card: rgba(0, 229, 255, 0.08);

  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  --font-ui: 'Inter', system-ui, -apple-system, sans-serif;

  --radius: 4px;
  --radius-lg: 8px;
  --transition: 150ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Grid background pattern ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

/* ── Typography ── */
h1, h2, h3 {
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(1.75rem, 4vw, 3rem); line-height: 1.1; }
h2 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h3 { font-size: 1.1rem; }

p { color: var(--text-secondary); }

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}
a:hover { color: #fff; }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Topbar ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 8, 16, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glow);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  gap: 1rem;
}

.site-wordmark {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: 0 0 12px var(--cyan-glow);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.topbar-nav a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.topbar-nav a:hover { color: var(--cyan); }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: rgba(255, 176, 32, 0.12);
  border: 1px solid rgba(255, 176, 32, 0.3);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.status-pill::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 6px var(--amber);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ── Hero ── */
.hero {
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5rem 1.5rem 4rem;
  position: relative;
}

/* Radial glow behind hero content */
.hero::after {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 450px;
  background: radial-gradient(ellipse at center,
    rgba(0, 100, 180, 0.18) 0%,
    rgba(0, 229, 255, 0.06) 40%,
    transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero-banner {
  width: 100%;
  max-width: 640px;
  height: auto;
  margin-bottom: 2.5rem;
  filter: drop-shadow(0 0 40px rgba(0, 229, 255, 0.2));
  border-radius: var(--radius);
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--cyan);
  text-shadow:
    0 0 20px rgba(0, 229, 255, 0.5),
    0 0 60px rgba(0, 229, 255, 0.15);
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
}

.hero-pitch {
  max-width: 560px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  justify-content: center;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, rgba(0,229,255,0.15), rgba(0,100,220,0.15));
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 0 0 var(--cyan-glow), inset 0 0 0 0 var(--cyan-glow);
}
.btn-primary:hover {
  background: rgba(0, 229, 255, 0.12);
  color: #fff;
  box-shadow: 0 0 20px var(--cyan-glow), inset 0 0 12px var(--cyan-glow);
  border-color: rgba(0, 229, 255, 0.8);
}

.btn-secondary {
  background: rgba(255, 45, 120, 0.08);
  border-color: rgba(255, 45, 120, 0.4);
  color: var(--magenta);
}
.btn-secondary:hover {
  background: rgba(255, 45, 120, 0.14);
  color: #fff;
  border-color: var(--magenta);
  box-shadow: 0 0 16px rgba(255, 45, 120, 0.2);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-glow);
  color: var(--text-secondary);
}
.btn-ghost:hover {
  border-color: var(--cyan-dim);
  color: var(--text-primary);
}

/* ── Section base ── */
section {
  padding: 4rem 0;
  border-top: 1px solid var(--border-card);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-dim);
  margin-bottom: 0.5rem;
}

.section-title {
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.section-body {
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
}

/* ── Connect block ── */
.connect-section {
  background: linear-gradient(180deg, transparent, rgba(0, 229, 255, 0.03) 50%, transparent);
}

.connect-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.connect-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.connect-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.05);
}

.connect-card-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.connect-card-title {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.connect-cmd {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-void);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  padding: 0.6rem 0.875rem;
  font-family: var(--font-mono);
  font-size: 0.825rem;
  color: var(--cyan);
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: border-color var(--transition);
  user-select: all;
  word-break: break-all;
}
.connect-cmd:hover {
  border-color: var(--cyan-dim);
}

.connect-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.coming-soon-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: rgba(64, 96, 255, 0.12);
  border: 1px solid rgba(64, 96, 255, 0.3);
  color: #8899ff;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  vertical-align: middle;
  margin-left: 0.4rem;
}

/* ── Factions ── */
.factions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.faction-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.faction-card:hover {
  transform: translateY(-2px);
}

.faction-card.users { border-top-color: var(--cyan); }
.faction-card.programs { border-top-color: var(--magenta); }
.faction-card.daemons { border-top-color: var(--indigo); }
.faction-card.users:hover   { box-shadow: 0 4px 24px rgba(0, 229, 255, 0.08); }
.faction-card.programs:hover{ box-shadow: 0 4px 24px rgba(255, 45, 120, 0.08); }
.faction-card.daemons:hover { box-shadow: 0 4px 24px rgba(64, 96, 255, 0.08); }

.faction-sigil {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  display: block;
  line-height: 1;
}

.faction-name {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.users .faction-name { color: var(--cyan); }
.programs .faction-name { color: var(--magenta); }
.daemons .faction-name { color: #8899ff; }

.faction-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ── Roadmap ── */
.roadmap-list {
  list-style: none;
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
}

.roadmap-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 1rem 1.125rem;
}

.roadmap-item-icon {
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.roadmap-item-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.roadmap-item-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── GitHub CTA banner ── */
.github-section {
  background: linear-gradient(135deg,
    rgba(0, 229, 255, 0.04),
    rgba(64, 96, 255, 0.04));
}

.github-banner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  margin-top: 2rem;
}

@media (min-width: 600px) {
  .github-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.github-banner-text h3 {
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}
.github-banner-text p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border-card);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 600px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.footer-wordmark {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cyan-dim);
  letter-spacing: 0.05em;
}

.footer-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: center;
}

.footer-links a {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--cyan); }

/* ── Scanline overlay (subtle) ── */
.scanlines {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: multiply;
}

/* ── Utility ── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .topbar-nav { display: none; }
  .hero { min-height: 80vh; }
  section { padding: 3rem 0; }
}

/* ── Focus ring (accessibility) ── */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius);
}