:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e6e1;
  --fg-muted: #8a8780;
  --fg-dim: #5a5854;
  --accent: #f0c040;
  --accent-glow: rgba(240, 192, 64, 0.15);
  --accent-secondary: #40d0f0;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* {
  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-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  gap: 4rem;
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
  background: var(--accent-glow);
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  border: 1px solid rgba(240, 192, 64, 0.2);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .strikethrough {
  text-decoration: line-through;
  color: var(--fg-dim);
  text-decoration-color: var(--fg-dim);
}

.hero h1 .highlight {
  color: var(--accent);
  position: relative;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.7;
}

.hero-visual {
  width: 100%;
}

.slice-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.slice-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.slice-card:hover {
  transform: translateY(-4px);
  border-color: rgba(240, 192, 64, 0.3);
}

.slice-emoji {
  font-size: 2rem;
}

.slice-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

.slice-label strong {
  color: var(--fg);
  font-weight: 600;
}

/* === PROBLEM === */
.problem {
  padding: 6rem 2rem;
  border-top: 1px solid var(--border);
}

.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.problem-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  position: sticky;
  top: 4rem;
}

.stat-block {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--fg-muted);
  margin-top: 0.25rem;
}

.problem-text {
  margin-top: 2rem;
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* === NICHES === */
.niches {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
}

.niches-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.niches h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.niches-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 650px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.niche-examples {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.niche-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  flex-wrap: wrap;
}

.niche-row:first-child {
  background: transparent;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}

.niche-row-example {
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.niche-tag {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--fg-dim);
  min-width: 120px;
}

.niche-tag.niche-result {
  color: var(--accent);
}

.niche-plus,
.niche-equals {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--fg-dim);
  font-size: 1.2rem;
}

.niche-item {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--fg);
  min-width: 120px;
}

.niche-item-result {
  color: var(--accent);
  font-style: italic;
}

/* === METHOD === */
.method {
  padding: 6rem 2rem;
  border-top: 1px solid var(--border);
}

.method-inner {
  max-width: 900px;
  margin: 0 auto;
}

.method h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.method-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

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

.ladder-step {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  align-items: start;
}

.step-tier {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  padding-top: 0.15rem;
}

.step-1 .step-tier { color: var(--fg-dim); }
.step-2 .step-tier { color: var(--accent-secondary); }
.step-3 .step-tier { color: var(--accent); }
.step-4 .step-tier { color: #f06040; }

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

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

/* === CLOSING === */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-elevated) 100%);
}

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

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

.closing-text {
  color: var(--fg-muted);
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 3rem;
}

.closing-vision {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--accent);
  padding: 2rem;
  border: 1px solid rgba(240, 192, 64, 0.2);
  border-radius: var(--radius);
  background: var(--accent-glow);
}

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

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-dim);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero {
    padding: 4rem 1.5rem 3rem;
    min-height: auto;
    gap: 3rem;
  }

  .slice-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .problem-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .problem-left h2 {
    position: static;
  }

  .niche-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .niche-plus,
  .niche-equals {
    display: none;
  }

  .niche-tag {
    min-width: auto;
  }

  .niche-item {
    min-width: auto;
  }

  .ladder-step {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .closing {
    padding: 5rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .slice-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .stat-number {
    font-size: 2rem;
  }
}