:root {
  color-scheme: light;
  --av-ink: #1a1a1a;
  --av-muted: #5a5a5a;
  --av-border: #e2e2e2;
  --av-accent: #2b6cb0;
  --av-accent-ink: #ffffff;
  --av-bg-alt: #f7f8fa;
}

* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  margin: 0;
  color: var(--av-ink);
  line-height: 1.55;
}

a { color: var(--av-accent); }

.av-nav {
  border-bottom: 1px solid var(--av-border);
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 10;
}

.av-nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.av-logo {
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
  color: var(--av-ink);
}

.av-nav nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
}

.av-nav nav a { text-decoration: none; color: var(--av-ink); font-size: 0.95rem; }
.av-nav nav a:hover { color: var(--av-accent); }
.av-nav-signin {
  border: 1px solid var(--av-border);
  border-radius: 6px;
  padding: 0.4rem 0.9rem;
}

.av-section {
  max-width: 960px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
}

.av-section-alt { background: var(--av-bg-alt); max-width: none; }
.av-section-alt > * { max-width: 960px; margin-left: auto; margin-right: auto; }

.av-hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 5rem 1.5rem 3.5rem;
  text-align: center;
}

.av-hero h1 { font-size: 2.4rem; margin-bottom: 0.75rem; }
.av-lede { font-size: 1.15rem; color: var(--av-muted); margin-bottom: 2rem; }

.av-cta {
  display: inline-block;
  background: var(--av-accent);
  color: var(--av-accent-ink);
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
}

.av-muted { color: var(--av-muted); font-size: 0.95rem; }

.av-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.av-card {
  background: #fff;
  border: 1px solid var(--av-border);
  border-radius: 10px;
  padding: 1.5rem;
}

.av-checklist { list-style: none; padding: 0; margin: 1.5rem 0; }
.av-checklist li {
  padding-left: 1.6rem;
  position: relative;
  margin-bottom: 0.6rem;
}
.av-checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--av-accent);
  font-weight: 700;
}

.av-price-card {
  background: #fff;
  border: 1px solid var(--av-border);
  border-radius: 10px;
  padding: 2rem;
  max-width: 420px;
}

.av-price { font-size: 2.5rem; font-weight: 700; margin: 0; }
.av-price span { font-size: 1rem; font-weight: 400; color: var(--av-muted); }
.av-price-card ul { padding-left: 1.2rem; margin: 1.25rem 0; }
.av-price-card li { margin-bottom: 0.4rem; }

.av-signup-form {
  max-width: 420px;
  background: #fff;
  border: 1px solid var(--av-border);
  border-radius: 10px;
  padding: 1.75rem;
}

label { display: block; margin-top: 1rem; font-weight: 600; }
input {
  width: 100%;
  padding: 0.55rem;
  margin-top: 0.3rem;
  border: 1px solid var(--av-border);
  border-radius: 6px;
  font: inherit;
}

.av-slug-input { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.3rem; }
.av-slug-input input { margin-top: 0; }
.av-slug-input span { color: var(--av-muted); white-space: nowrap; }

button {
  margin-top: 1.25rem;
  width: 100%;
  padding: 0.7rem;
  border: none;
  border-radius: 6px;
  background: var(--av-accent);
  color: var(--av-accent-ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button:disabled { background: #a0aec0; cursor: not-allowed; }

.av-footer {
  border-top: 1px solid var(--av-border);
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--av-muted);
  font-size: 0.9rem;
}
.av-footer p { margin: 0.3rem 0; }