/* Страница оплаты pay.ai-toolbox.ru. Токены, шрифты и кнопка - как на ai-toolbox.ru (rules/design/brand.md). */
@font-face {
  font-family: "Montserrat";
  src: url("fonts/Montserrat.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Unbounded";
  src: url("fonts/Unbounded.woff2") format("woff2");
  font-weight: 200 900;
  font-display: swap;
}

:root {
  --bg: #f8fafc;
  --white: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --navy: #1e3a5f;
  --navy-dark: #152d4a;
  --orange: #f97316;
  --orange-light: #fb923c;
  --r-card: 16px;
  --r-btn: 12px;
  --shadow: 0 8px 24px rgba(21, 45, 74, 0.10);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  padding: 40px 16px;
  background: var(--bg);
  color: var(--text);
  font-family: "Montserrat", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
a { color: var(--navy); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
h1 {
  font-family: "Unbounded", sans-serif;
  color: var(--navy);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 0 0 16px;
  text-wrap: balance;
}
p { margin: 0 0 16px; }
.muted { color: var(--muted); font-size: 14px; }

.card {
  max-width: 560px;
  margin: 0 auto;
  padding: 40px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
}
.brand { font-family: "Unbounded", sans-serif; font-size: 14px; font-weight: 700; margin-bottom: 28px; }
.brand a { text-decoration: none; }
.price { font-family: "Unbounded", sans-serif; font-size: 40px; font-weight: 700; color: var(--navy); letter-spacing: -0.015em; }

form { margin: 0 0 16px; }
label { display: block; font-weight: 700; margin-bottom: 8px; }
input[type="email"] {
  display: block;
  width: 100%;
  font: inherit;
  color: var(--text);
  padding: 14px 16px;
  margin-bottom: 16px;
  border: 2px solid var(--border);
  border-radius: var(--r-btn);
  background: var(--white);
}
input[type="email"]:focus { border-color: var(--navy); outline: none; }
.error { color: var(--navy-dark); background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-btn); padding: 8px 12px; font-size: 14px; font-weight: 700; }

.btn {
  display: inline-block;
  font-family: "Montserrat", sans-serif;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  text-align: center;
  border: 0;
  border-radius: var(--r-btn);
  padding: 16px 28px;
  cursor: pointer;
}
form .btn { width: 100%; }
.btn-primary { background: var(--orange); color: var(--navy-dark); }
.btn-primary:hover { background: var(--orange-light); }
.btn:focus-visible, a:focus-visible { outline: 3px solid var(--navy); outline-offset: 3px; }

footer { max-width: 560px; margin: 16px auto 0; text-align: center; }

@media (max-width: 480px) {
  body { padding: 16px; }
  .card { padding: 28px 20px; }
}