* { box-sizing: border-box; }

:root {
  --fg: #1a1a1a;
  --muted: #666;
  --accent: #2b6cb0;
  --accent-dark: #1f4e80;
  --bg: #ffffff;
  --bg-alt: #f7f8fa;
  --border: #e2e5e9;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.site-header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 700;
  text-decoration: none;
  color: var(--fg);
  font-size: 18px;
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 15px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); }

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

section { margin: 36px 0; }

h1 { font-size: 26px; margin-bottom: 8px; }
h2 { font-size: 20px; margin-bottom: 12px; }

.lead { color: var(--muted); font-size: 17px; }

.two-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 560px) {
  .two-cols { grid-template-columns: 1fr 1fr; }
}

.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}

ul.checklist { list-style: none; padding: 0; margin: 0; }
ul.checklist li { padding: 6px 0; padding-left: 26px; position: relative; }
ul.checklist.yes li::before { content: "✓"; position: absolute; left: 0; color: #2f855a; font-weight: 700; }
ul.checklist.no li::before { content: "✕"; position: absolute; left: 0; color: #c53030; font-weight: 700; }

.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin: 20px 0;
}
.plan-btn {
  display: block;
  text-align: center;
  padding: 16px 8px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
}
.plan-btn.selected { border-color: var(--accent); background: #ebf4ff; }

.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li {
  counter-increment: step;
  padding: 10px 0 10px 40px;
  position: relative;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 8px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

form.checkout label {
  display: block;
  margin-top: 14px;
  font-weight: 600;
  font-size: 14px;
}
form.checkout input, form.checkout select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  margin-top: 4px;
}
form.checkout button { margin-top: 20px; width: 100%; padding: 14px; font-size: 16px; }

.todo-note {
  background: #fffbe6;
  border: 1px dashed #d6a300;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  color: #6b5300;
  margin-bottom: 20px;
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding: 20px 0 40px;
}
.site-footer nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  margin-right: 16px;
}
.site-footer nav a:hover { text-decoration: underline; }

.error-text { color: #c53030; font-size: 14px; margin-top: 8px; display: none; }