/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0D1117;
  --bg-card: #161B22;
  --bg-terminal: #0D1117;
  --fg: #E6EDF3;
  --fg-muted: #8B949E;
  --accent: #39FF14;
  --accent-dim: rgba(57, 255, 20, 0.12);
  --warn: #F85149;
  --accent2: #58A6FF;
  --border: #21262D;
  --font-mono: 'Space Mono', monospace;
  --font-sans: 'DM Sans', system-ui, sans-serif;
}

html { font-size: 16px; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav {
  padding: 1.25rem 2.5rem;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.nav-logo-arc { color: var(--fg); }
.nav-logo-light { color: var(--accent); }
.nav-tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

/* === HERO === */
.hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem 2.5rem 4rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
  opacity: 0.85;
}
.hero-headline {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* === TERMINAL === */
.terminal {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(57,255,20,0.06), 0 8px 32px rgba(0,0,0,0.4);
}
.terminal-bar {
  background: #161B22;
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-bottom: 1px solid var(--border);
}
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dot.red { background: #FF5F57; }
.terminal-dot.yellow { background: #FEBC2E; }
.terminal-dot.green { background: #28C840; }
.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-muted);
  margin-left: 0.5rem;
}
.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.8;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.t-dim { color: var(--fg-muted); }
.t-accent { color: var(--accent2); }
.t-warn { color: var(--warn); }
.t-green { color: var(--accent); }
.t-highlight { color: var(--fg); }
.t-sep { color: var(--fg-muted); margin: 0 0.25rem; }
.t-nested { padding-left: 1.5rem; }

/* === SECTION SHARED === */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  opacity: 0.85;
}
.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--fg);
  margin-bottom: 2.5rem;
  letter-spacing: -0.03em;
}

/* === HOW IT WORKS === */
.hiw {
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem 2.5rem;
  border-top: 1px solid var(--border);
}
.hiw-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.hiw-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
}
.hiw-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  opacity: 0.6;
  display: block;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}
.hiw-card h3 {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.75rem;
}
.hiw-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* === CODEBASE SCAN === */
.cs {
  background: #0A0E14;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cs-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.cs-body {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}
.cs-features { display: flex; flex-direction: column; gap: 0.75rem; }
.cs-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--fg);
}
.cs-check { color: var(--accent); font-family: var(--font-mono); font-size: 0.8rem; }

/* === STATS === */
.stats-block { display: flex; flex-direction: column; gap: 2rem; }
.stat { padding: 1.5rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; }
.stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label { font-size: 0.85rem; color: var(--fg-muted); }

/* === MANIFESTO === */
.manifesto {
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem 2.5rem 4rem;
  text-align: center;
}
.manifesto-quote {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--fg-muted);
  line-height: 1.8;
  max-width: 720px;
  margin: 0 auto 1.5rem;
  font-style: italic;
  border-left: 2px solid var(--accent);
  padding-left: 1.5rem;
  text-align: left;
}
.manifesto-attribution {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-muted);
  opacity: 0.6;
  margin-top: 1rem;
}

/* === CLOSING === */
.closing {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2.5rem 6rem;
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing-title {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  color: var(--fg);
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}
.closing-sub {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem;
}
.footer-inner { max-width: 1280px; margin: 0 auto; text-align: center; }
.footer-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}
.footer-logo-arc { color: var(--fg); }
.footer-logo-light { color: var(--accent); }
.footer-copy { font-size: 0.85rem; color: var(--fg-muted); margin-bottom: 0.5rem; }
.footer-legal { font-family: var(--font-mono); font-size: 0.7rem; color: var(--fg-muted); opacity: 0.4; }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero, .hiw, .cs-inner, .manifesto, .closing { padding-left: 1.25rem; padding-right: 1.25rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hiw-grid { grid-template-columns: 1fr; }
  .cs-inner { grid-template-columns: 1fr; gap: 3rem; }
  .nav { padding: 1rem 1.25rem; }
}