:root {
  --ink: #1a2744;
  --sage: #1e785a;
  --paper: #f4f0e8;
  --card: #fffdf9;
  --line: #e0dbd3;
  --muted: #5c6578;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #d8ebe3 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #e8dfd0 0%, transparent 50%),
    var(--paper);
  line-height: 1.45;
}
h1, h2, h3, .brand {
  font-family: Fraunces, Georgia, serif;
  font-weight: 560;
}
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  max-width: 960px;
  margin: 0 auto;
}
.brand { font-size: 1.15rem; }
nav { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
nav a { color: var(--ink); text-decoration: none; font-size: 0.92rem; }
.btn-sm, .btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 12px;
  padding: 12px 18px;
  background: var(--ink);
  color: #fff;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.btn.ghost, .btn-sm {
  background: transparent;
  color: var(--sage);
  border: 1px solid var(--sage);
}
main { max-width: 960px; margin: 0 auto; padding: 12px 20px 64px; }
.hero { padding: 28px 0 12px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.75rem; color: var(--sage); font-weight: 700; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.15; margin: 8px 0 12px; max-width: 18ch; }
.lead { max-width: 52ch; color: var(--muted); font-size: 1.05rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.prices, .how, .apps, .panel {
  margin-top: 36px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
}
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.cards article {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  background: #fff;
}
.cards article .pick { margin-top: 12px; width: 100%; }
.note { color: var(--muted); font-size: 0.92rem; }
ol { padding-left: 1.2rem; }
footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 48px;
  color: var(--muted);
  font-size: 0.9rem;
}
label { display: block; font-size: 0.85rem; font-weight: 600; margin: 12px 0 4px; }
input, textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font: inherit;
  background: #fff;
}
.err { color: #a33; margin-top: 10px; }
.ok { color: var(--sage); margin-top: 10px; }
.pay-box {
  margin-top: 16px;
  padding: 16px;
  border-radius: 14px;
  background: #f0f7f3;
  border: 1px dashed var(--sage);
}
.pay-box code { font-size: 1.1rem; font-weight: 700; }
.status {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #e8efe9;
  font-size: 0.8rem;
  font-weight: 600;
}
.status.warn { background: #f7e8c8; }
.status.bad { background: #f3d6d6; }
.plan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 8px 0 4px;
}
.plan-card {
  text-align: left;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  padding: 12px 14px;
  cursor: pointer;
  font: inherit;
  color: var(--ink);
  display: grid;
  gap: 4px;
}
.plan-card strong { font-size: 15px; }
.plan-card span { font-size: 12px; color: var(--muted); line-height: 1.35; }
.plan-card em { font-style: normal; font-size: 13px; font-weight: 700; color: var(--sage); }
.plan-card.on { border-color: var(--ink); background: #f3f5f9; }
.pay-qr-wrap { text-align: center; margin: 12px 0; }
.pay-qr-wrap canvas { max-width: 220px; width: 100%; height: auto; border-radius: 12px; background: #fff; }
@media (max-width: 640px) {
  .top { flex-direction: column; align-items: flex-start; }
}