:root {
  --primary: #2481d7;
  --primary-dark: #1a6bb8;
  --bg: #0f1923;
  --bg-card: #1a2c3e;
  --text: #e8f0f8;
  --text-muted: #8ea7bf;
  --accent: #ffb800;
  --border: #2a3f56;
  --radius: 12px;
  --max-width: 1140px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.logo-icon { font-size: 1.8rem; }

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

/* Buttons */
.btn-primary {
  background: var(--primary);
  color: white;
  padding: 0.7rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: background 0.2s;
}

.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary {
  background: transparent;
  color: var(--text);
  padding: 0.7rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--border);
  display: inline-block;
  transition: border-color 0.2s;
}

.btn-secondary:hover { border-color: var(--primary); }

/* Hero */
.hero {
  text-align: center;
  padding: 5rem 2rem 4rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.hero-bot {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Sections */
section {
  padding: 4rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2.5rem;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.feature-icon { font-size: 2.5rem; margin-bottom: 1rem; }

.feature-card h3 { margin-bottom: 0.5rem; }

.feature-card p { color: var(--text-muted); font-size: 0.95rem; }

/* How To */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.step h3 { margin-bottom: 0.5rem; }

.step p { color: var(--text-muted); font-size: 0.95rem; }

/* Pricing */
.pricing-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2rem;
  margin-top: -1.5rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  position: relative;
  transition: transform 0.2s, border-color 0.2s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.pricing-card.featured {
  border-color: var(--primary);
  border-width: 2px;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  padding: 0.25rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
}

.pricing-stars { font-size: 2rem; margin-bottom: 0.5rem; }

.pricing-desc { color: var(--text-muted); }

/* FAQ */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-list details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  transition: border-color 0.2s;
}

.faq-list details:hover { border-color: var(--primary); }

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
}

.faq-list details p {
  margin-top: 0.75rem;
  color: var(--text-muted);
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  margin-top: 2rem;
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.footer-content p { color: var(--text-muted); margin-bottom: 1rem; }

.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.footer-links a:hover { text-decoration: underline; }

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 2.5rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
}