:root {
  --bg: #0b0f14;
  --surface: #151a22;
  --text: #e8eaed;
  --muted: #9aa0a6;
  --accent: #25d366;
  --border: #2d333b;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.site-header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}

.logo:hover {
  text-decoration: none;
  color: var(--accent);
}

nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--accent);
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.lead {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 36rem;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  background: var(--accent);
  color: #0b0f14;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn:hover {
  text-decoration: none;
  filter: brightness(1.08);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

section {
  margin-top: 2.5rem;
}

section h2 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

section p,
section li {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

section ul {
  padding-left: 1.25rem;
}

.pricing-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

@media (min-width: 600px) {
  .pricing-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.price-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.price-card .amount {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
  margin: 0.5rem 0;
}

.price-card .trial {
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.price-card ul {
  margin: 1rem 0;
}

.note {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer a {
  margin: 0 0.5rem;
}