:root {
  --fg: #111;
  --fg-muted: #555;
  --bg: #fafafa;
  --accent: #d6336c;
  --border: #e5e5e5;
  --radius: 6px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
}

.site-header nav { display: flex; gap: 16px; align-items: center; }
.site-header nav a { color: var(--fg); }

.inline { display: inline; margin: 0; }
.link-button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  font: inherit;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px;
}

.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  margin: 0 0 16px;
  line-height: 1.15;
}
.lede { font-size: 18px; color: var(--fg-muted); margin: 0 0 24px; }

.cta-row { margin: 24px 0; }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--fg);
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: #f0f0f0; text-decoration: none; }

.btn-primary {
  background: var(--fg);
  color: #fff;
  border-color: var(--fg);
}
.btn-primary:hover { background: #000; color: #fff; }

.how { margin-top: 48px; }
.how h2 { font-size: 20px; margin: 0 0 12px; }
.how ol { padding-left: 20px; }
.how li { margin: 6px 0; }

.auth-card {
  max-width: 420px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.auth-card h1 { margin: 0 0 8px; font-size: 24px; }
.auth-card p { color: var(--fg-muted); margin: 0 0 20px; }
.auth-card label {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
  color: var(--fg-muted);
}
.auth-card input[type="email"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  margin-bottom: 16px;
}
.auth-card input[type="email"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.auth-result { margin-top: 20px; color: var(--fg-muted); }
.auth-result strong { color: var(--fg); }
.muted { font-size: 13px; color: var(--fg-muted); }

.account dl {
  display: grid;
  grid-template-columns: 100px 1fr;
  row-gap: 6px;
  column-gap: 16px;
  margin: 24px 0;
}
.account dt { color: var(--fg-muted); }
.account dd { margin: 0; }
.account-actions { display: flex; gap: 12px; }

.notice {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin: 16px 0 24px;
}
.notice--success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.pricing h1 { margin: 0 0 8px; font-size: 28px; }
.pricing .lede { margin: 0 0 32px; }
.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.plan {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.plan--current { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(214,51,108,0.12); }
.plan header { margin-bottom: 12px; }
.plan h2 { margin: 0 0 4px; font-size: 20px; }
.plan .price strong { font-size: 28px; }
.plan .price span { color: var(--fg-muted); margin-left: 4px; }
.plan ul {
  padding-left: 18px;
  margin: 12px 0 16px;
  color: var(--fg-muted);
  font-size: 14px;
}
.plan li { margin: 4px 0; }
.plan-cta { margin-top: auto; }
.plan-cta form { margin: 0; }
.center { text-align: center; }

.site-footer {
  text-align: center;
  padding: 24px;
  color: var(--fg-muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
  background: #fff;
}