:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #e8e8e8;
  --fg-muted: #888;
  --accent: #c8ff00;
  --accent-dim: #a3cc00;
  --border: #2a2a2a;
  --font-main: 'Space Grotesk', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

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

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

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.hero-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: rgba(200, 255, 0, 0.08);
  border: 1px solid rgba(200, 255, 0, 0.2);
  padding: 0.4rem 1rem;
  display: inline-block;
  width: fit-content;
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

.hero-stat {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* SECTION TAG */
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 1rem;
}

/* METHOD */
.method {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

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

.method-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

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

.method-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2.5rem 2rem;
  position: relative;
  transition: border-color 0.2s;
}

.method-card:hover {
  border-color: rgba(200, 255, 0, 0.3);
}

.method-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-dim);
  display: block;
  margin-bottom: 1.2rem;
  letter-spacing: 0.1em;
}

.method-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  letter-spacing: -0.01em;
}

.method-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* NUMBERS */
.numbers {
  background: var(--bg-elevated);
  padding: 6rem 2rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.numbers-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.numbers-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}

.numbers-text p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

.numbers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.number-block {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.big-num {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.num-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* CLOSING */
.closing {
  padding: 8rem 2rem;
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 3rem;
}

.closing-line {
  width: 60px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 2rem;
}

.closing-tagline {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

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

.footer-brand {
  font-weight: 600;
  font-size: 0.95rem;
}

.footer-sep {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* MOBILE */
@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
    padding: 4rem 1.5rem 3rem;
  }

  .method-grid {
    grid-template-columns: 1fr;
  }

  .numbers-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .numbers-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .method,
  .numbers,
  .closing {
    padding: 4rem 1.5rem;
  }

  .hero-stat {
    flex-direction: column;
    gap: 0.3rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }
}