:root {
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --bg-card: #161616;
  --fg: #f0ece4;
  --fg-muted: #8a8578;
  --accent: #c8ff00;
  --accent-dim: #4a5e00;
  --border: #2a2a2a;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-display);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.accent {
  color: var(--accent);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(200, 255, 0, 0.03) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(200, 255, 0, 0.02) 0%, transparent 50%),
    var(--bg);
}

.hero-grid {
  display: flex;
  justify-content: space-between;
  position: absolute;
  top: 2rem;
  left: 2rem;
  right: 2rem;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--fg-muted);
  text-transform: uppercase;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: clamp(3.5rem, 12vw, 9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin-bottom: 1.5rem;
}

.hero-divider {
  width: 80px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 2rem;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--fg-muted);
  font-weight: 400;
  line-height: 1.5;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-top: 4rem;
  padding: 1.5rem 2rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 0.7rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.3rem;
}

.stat-divider {
  width: 1px;
  height: 30px;
  background: var(--border);
}

/* ===== SYSTEM ===== */
.system {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 4rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.system-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2.5rem 2rem;
  position: relative;
  transition: border-color 0.3s ease;
}

.system-card:hover {
  border-color: var(--accent-dim);
}

.card-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
  letter-spacing: 0.1em;
}

.system-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.system-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== REVENUE ===== */
.revenue {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.revenue-stack {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.revenue-row {
  display: grid;
  grid-template-columns: 100px 1fr 160px;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
  transition: background 0.2s ease;
}

.revenue-row:first-child {
  border-top: 1px solid var(--border);
}

.revenue-row:hover {
  background: var(--bg-elevated);
}

.revenue-tier {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  padding-top: 0.3rem;
}

.revenue-info h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.revenue-info p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.revenue-margin {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-align: right;
  padding-top: 0.3rem;
}

/* ===== CLOSING ===== */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  background: 
    radial-gradient(ellipse at 50% 80%, rgba(200, 255, 0, 0.04) 0%, transparent 60%),
    var(--bg);
}

.closing-content {
  max-width: 750px;
  margin: 0 auto;
}

.closing-quote {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--fg-muted);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 4rem;
  padding: 0 1rem;
  border-left: 2px solid var(--accent-dim);
  text-align: left;
}

.closing-bottom h2 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.closing-bottom p {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .system-grid {
    grid-template-columns: 1fr;
  }
  
  .revenue-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.5rem 0;
  }
  
  .revenue-margin {
    text-align: left;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .stat-divider {
    width: 40px;
    height: 1px;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .hero-grid {
    display: none;
  }
}