:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a25;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --accent: #22d67a;
  --accent-dim: rgba(34, 214, 122, 0.12);
  --accent-secondary: #fbbf24;
  --border: #2a2a38;
  --radius: 12px;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

h1, h2, h3 {
  font-family: var(--font-heading);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* Hero */
.hero {
  padding: 100px 24px 80px;
  text-align: center;
  background: linear-gradient(180deg, #0f1118 0%, var(--bg) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(34, 214, 122, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 100px;
  margin-bottom: 32px;
  border: 1px solid rgba(34, 214, 122, 0.2);
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 700;
  margin-bottom: 24px;
  color: #fff;
}

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

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 180px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-align: center;
  line-height: 1.4;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  align-self: center;
}

/* Problem */
.problem {
  padding: 100px 24px;
  background: var(--bg);
}

.problem-inner {
  max-width: 960px;
  margin: 0 auto;
}

.problem-label,
.how-label,
.proof-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem h2,
.how h2,
.proof h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.problem-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* How It Works */
.how {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.how-inner {
  max-width: 720px;
  margin: 0 auto;
}

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

.step {
  display: flex;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child {
  border-bottom: none;
}

.step-num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  min-width: 60px;
}

.step-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* Proof */
.proof {
  padding: 100px 24px;
  background: var(--bg);
}

.proof-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--fg);
  font-weight: 500;
}

.proof-emoji {
  font-size: 1.8rem;
}

.proof-quote p {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--fg-muted);
  font-style: italic;
}

/* Closing */
.closing {
  padding: 120px 24px;
  background: linear-gradient(180deg, var(--bg) 0%, #0f1118 100%);
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(34, 214, 122, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.3;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
}

/* Footer */
.site-footer {
  padding: 40px 24px;
  background: #0f1118;
  border-top: 1px solid var(--border);
  text-align: center;
}

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

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}

.footer-text {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 72px 20px 60px;
  }

  .hero-stats {
    flex-direction: column;
    align-items: center;
    gap: 28px;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .step {
    flex-direction: column;
    gap: 12px;
  }

  .step-num {
    font-size: 1.8rem;
  }

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

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