:root {
  --blue: #4a7cf0;
  --blue-dark: #2f56d2;
  --ink: #14203a;
  --muted: #5b6b86;
  --bg: #f6f8fc;
  --card: #ffffff;
  --radius: 16px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
a { color: var(--blue-dark); }

.hero {
  background: linear-gradient(160deg, #5684ff 0%, #3056d2 100%);
  color: #fff;
  padding: 64px 0 72px;
}
.hero .wrap { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; }
.hero .icon { width: 96px; height: 96px; flex: none; }
.hero h1 { font-size: 44px; margin: 0 0 6px; letter-spacing: -0.5px; }
.hero p.sub { font-size: 20px; margin: 0 0 20px; opacity: .95; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 22px; border-radius: 12px;
  font-weight: 600; font-size: 16px; text-decoration: none; border: 0; cursor: pointer;
}
.btn-primary { background: #fff; color: var(--blue-dark); }
.btn-ghost { background: rgba(255,255,255,.15); color: #fff; border: 1px solid rgba(255,255,255,.5); }
.btn-buy { background: var(--blue); color: #fff; }
.btn-buy:hover, .btn-primary:hover { filter: brightness(1.05); }

section { padding: 48px 0; }
h2 { font-size: 28px; margin: 0 0 22px; letter-spacing: -0.3px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.card {
  background: var(--card); border-radius: var(--radius); padding: 22px;
  box-shadow: 0 2px 14px rgba(20,32,58,.06);
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }

.highlight { background: #eef3ff; }
.price-card { text-align: center; max-width: 460px; margin: 0 auto; }
.price { font-size: 46px; font-weight: 700; color: var(--blue-dark); }
.price small { font-size: 18px; color: var(--muted); font-weight: 400; }
.buy { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; justify-content: center; }
.buy input {
  flex: 1; min-width: 220px; padding: 12px 14px; border: 1px solid #cdd6ea;
  border-radius: 12px; font-size: 15px;
}
.steps { counter-reset: s; display: grid; gap: 12px; }
.steps .card { display: flex; gap: 14px; align-items: flex-start; }
.steps .n {
  flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--blue);
  color: #fff; display: grid; place-items: center; font-weight: 700;
}
.faq details { background: var(--card); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; }
.faq summary { font-weight: 600; cursor: pointer; }
.faq p { color: var(--muted); }

footer { padding: 30px 0 60px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); }

/* страницы оплаты/спасибо */
.center { max-width: 560px; margin: 60px auto; text-align: center; }
.key {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 24px; font-weight: 700; letter-spacing: 1px; color: var(--blue-dark);
  background: #eef3ff; border-radius: 12px; padding: 16px; margin: 18px 0; user-select: all;
}