:root {
  --bg: #0C0F0A;
  --bg-surface: #141810;
  --fg: #F5F0E8;
  --fg-muted: #A09B8E;
  --accent: #C8E064;
  --accent-dim: #8FA83D;
  --border: rgba(200, 224, 100, 0.12);
  --radius: 12px;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Plus Jakarta Sans', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 40px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

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

.lede {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.7;
}

.hero-visual {
  margin-top: 64px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat-card {
  background: var(--bg-surface);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-number {
  font-family: 'Space Mono', monospace;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 140px 40px;
  border-top: 1px solid var(--border);
}

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

.problem h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 72px;
  max-width: 600px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.problem-icon {
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent-dim);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.problem-item h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

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

/* ===== FEATURES ===== */
.features {
  padding: 140px 40px;
  background: var(--bg-surface);
}

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

.features-header {
  margin-bottom: 80px;
}

.features-header h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.features-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 520px;
}

.features-list {
  display: flex;
  flex-direction: column;
}

.feature-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  padding: 36px 0;
  border-top: 1px solid var(--border);
  align-items: baseline;
}

.feature-row:last-child {
  border-bottom: 1px solid var(--border);
}

.feature-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 2px;
}

.feature-desc {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 600px;
}

/* ===== HOW ===== */
.how {
  padding: 140px 40px;
  border-top: 1px solid var(--border);
}

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

.how h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 80px;
}

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

.how-step {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 40px;
  padding: 48px 0;
  border-top: 1px solid var(--border);
  align-items: start;
}

.how-step:last-child {
  border-bottom: 1px solid var(--border);
}

.step-num {
  font-family: 'Space Mono', monospace;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-dim);
  line-height: 1;
}

.step-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 520px;
}

/* ===== CLOSING ===== */
.closing {
  padding: 180px 40px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, #111408 100%);
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.15rem;
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 100px 24px 60px;
  }

  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .problem,
  .features,
  .how {
    padding: 80px 24px;
  }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .feature-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 28px 0;
  }

  .how-step {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 36px 0;
  }

  .step-num {
    font-size: 1.5rem;
  }

  .closing {
    padding: 100px 24px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 80px 20px 48px;
  }

  .stat-card {
    padding: 24px 20px;
  }

  .problem,
  .features,
  .how {
    padding: 64px 20px;
  }

  .closing {
    padding: 80px 20px;
  }

  .site-footer {
    padding: 36px 20px;
  }
}