:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --border: #262626;
  --text: #e5e5e5;
  --muted: #a3a3a3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
nav {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  text-decoration: none;
}
.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* Hero */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}
.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.hero .subtitle {
  font-size: 20px;
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 32px;
}
.hero .price-tag {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 20px;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 32px;
}
.hero .price-tag strong {
  color: var(--text);
  font-size: 24px;
}

/* CTA Button */
.btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
  border: none;
  cursor: pointer;
}
.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-secondary:hover {
  background: var(--border);
  transform: translateY(-1px);
}

/* Sections */
section {
  padding: 60px 0;
  border-top: 1px solid var(--border);
}
section h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}
section .section-sub {
  color: var(--muted);
  margin-bottom: 32px;
  font-size: 16px;
}

/* Problem/Solution */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}
.problem-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.problem-card h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.problem-card.before h3 { color: var(--red); }
.problem-card.after h3 { color: var(--green); }
.problem-card ul {
  list-style: none;
  font-size: 15px;
}
.problem-card ul li {
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
}
.problem-card.before ul li::before { content: "✗"; position: absolute; left: 0; color: var(--red); }
.problem-card.after ul li::before { content: "✓"; position: absolute; left: 0; color: var(--green); }

/* How it works */
.steps {
  display: grid;
  gap: 24px;
  margin-top: 32px;
}
.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: var(--accent);
}
.step-content h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.step-content p {
  font-size: 14px;
  color: var(--muted);
}

/* What's included */
.included-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.included-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}
.included-item strong {
  display: block;
  margin-bottom: 4px;
}
.included-item span {
  font-size: 14px;
  color: var(--muted);
}

/* Upsells */
.upsells-grid {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}
.upsell-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.2s;
}
.upsell-card:hover { border-color: var(--accent); }
.upsell-card .upsell-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.upsell-card .upsell-info p {
  font-size: 14px;
  color: var(--muted);
}
.upsell-card .upsell-price {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

/* FAQ */
.faq-list {
  margin-top: 32px;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.faq-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}
.faq-item p {
  font-size: 15px;
  color: var(--muted);
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
  font-size: 14px;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  .hero .subtitle { font-size: 16px; }
  .problem-grid { grid-template-columns: 1fr; }
  .included-grid { grid-template-columns: 1fr; }
  .upsell-card { flex-direction: column; align-items: flex-start; gap: 12px; }
  .nav-links { gap: 16px; }
}
