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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #1a1a1a;
  line-height: 1.6;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Nav */
nav {
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1a1a1a;
  text-decoration: none;
}
.nav-links a {
  margin-left: 24px;
  text-decoration: none;
  color: #555;
}
.nav-links a:hover { color: #1a1a1a; }

/* Hero */
.hero {
  background: linear-gradient(135deg, #0f0f0f, #1a1a2e);
  color: #fff;
  padding: 100px 0;
  text-align: center;
}
.hero h1 { font-size: 3rem; margin-bottom: 16px; }
.subtitle { font-size: 1.25rem; color: #aaa; margin-bottom: 32px; }
.cta {
  display: inline-block;
  background: #fff;
  color: #0f0f0f;
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}
.cta:hover { background: #e5e5e5; }

/* Features */
.features { padding: 80px 0; }
.features h2 { text-align: center; margin-bottom: 48px; font-size: 2rem; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.feature {
  padding: 24px;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
}
.feature h3 { margin-bottom: 8px; }

/* Pricing */
.pricing {
  padding: 80px 0;
  background: #f9f9f9;
}
.pricing h2 { text-align: center; margin-bottom: 8px; font-size: 2rem; }
.pricing-note { text-align: center; color: #666; margin-bottom: 48px; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 700px;
  margin: 0 auto;
}
.price-card {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  padding: 32px;
  text-align: center;
}
.price-card h3 { margin-bottom: 16px; }
.price {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: #333;
}
.price-card ul {
  list-style: none;
  margin-bottom: 24px;
  text-align: left;
}
.price-card li {
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
}
.buy-btn {
  background: #0f0f0f;
  color: #fff;
  border: none;
  padding: 12px 32px;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  width: 100%;
}
.buy-btn:hover { background: #333; }
.buy-btn:disabled { background: #999; cursor: not-allowed; }
.addon-note { color: #666; font-size: 0.9rem; }

/* Install */
.install {
  padding: 80px 0;
  text-align: center;
}
.install h2 { margin-bottom: 24px; }
.install pre {
  background: #0f0f0f;
  color: #0f0;
  padding: 16px 24px;
  border-radius: 8px;
  display: inline-block;
  margin-bottom: 16px;
  font-size: 1.1rem;
}

/* Footer */
footer {
  border-top: 1px solid #e5e5e5;
  padding: 24px 0;
  text-align: center;
  color: #666;
}

@media (max-width: 600px) {
  .hero h1 { font-size: 2rem; }
  .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
}