:root {
  --bg: #090909;
  --card: #111111;
  --line: #252525;
  --text: #f5f5f5;
  --muted: #969696;
  --accent: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at top, #181818 0, var(--bg) 45%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.page { width: min(720px, calc(100% - 32px)); margin: 0 auto; padding: 44px 0 30px; }
.hero { text-align: center; padding: 20px 0 28px; }
.brand { font-weight: 900; letter-spacing: .12em; font-size: 15px; }
.badge { color: var(--muted); font-size: 11px; letter-spacing: .18em; margin-top: 12px; }
h1 { font-size: clamp(38px, 8vw, 66px); line-height: .98; letter-spacing: -.05em; margin: 22px 0 16px; }
.sub { color: var(--muted); max-width: 560px; margin: auto; line-height: 1.55; }
.card {
  background: rgba(17,17,17,.94);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(20px, 5vw, 34px);
  box-shadow: 0 20px 70px rgba(0,0,0,.35);
}
.section { margin-bottom: 30px; }
.section-head { display:flex; align-items:end; justify-content:space-between; gap: 12px; margin-bottom: 16px; }
.step { color: var(--muted); font-size: 11px; letter-spacing: .14em; }
h2 { font-size: 20px; margin: 4px 0 0; }
.count { color: var(--muted); font-size: 13px; }
.accent-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.accent {
  position: relative; display:flex; align-items:center; gap:10px;
  padding: 15px; border:1px solid var(--line); border-radius:14px;
  cursor:pointer; user-select:none; transition:.15s ease;
}
.accent:hover { border-color:#444; }
.accent.selected { border-color:#eee; background:#1b1b1b; }
.accent input { position:absolute; opacity:0; pointer-events:none; }
.checkmark { width:16px; height:16px; border:1px solid #555; border-radius:4px; }
.accent.selected .checkmark { background:#fff; box-shadow: inset 0 0 0 3px #1b1b1b; }
.flag { font-size:18px; }
label { display:block; font-size:13px; font-weight:650; margin-bottom:8px; }
input, textarea {
  width:100%; border:1px solid var(--line); background:#0c0c0c; color:var(--text);
  border-radius:12px; padding:14px; font:inherit; outline:none;
}
input:focus, textarea:focus { border-color:#777; }
textarea { min-height:130px; resize:vertical; }
textarea.small { min-height:90px; }
.hint { color:var(--muted); font-size:12px; margin-top:7px; }
.two-col { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-bottom:28px; }
.summary {
  display:flex; justify-content:space-between; align-items:center; gap:15px;
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  padding:18px 0; margin-top:4px;
}
.summary div { display:flex; flex-direction:column; gap:5px; }
.muted { color:var(--muted); font-size:12px; }
.price { font-size:20px; }
button, .button-link {
  width:100%; border:0; border-radius:13px; background:#fff; color:#000;
  padding:16px 18px; font-weight:800; font-size:15px; cursor:pointer;
  display:flex; justify-content:space-between; text-decoration:none;
}
button:disabled { opacity:.55; cursor:wait; }
.secure { color:var(--muted); font-size:11px; text-align:center; margin:12px 0 0; }
.error { margin:15px 0; padding:12px; border:1px solid #663d3d; background:#241313; color:#f2caca; border-radius:10px; font-size:13px; }
footer { display:flex; justify-content:center; gap:18px; padding:25px 0; color:var(--muted); font-size:12px; }
footer a { color:inherit; }
.centered { min-height:100vh; display:grid; place-items:center; }
.success { text-align:center; max-width:520px; }
.check { font-size:50px; margin-bottom:15px; }
.success p { color:var(--muted); line-height:1.6; margin-bottom:24px; }
.button-link { justify-content:center; }
@media (max-width: 600px) {
  .page { width:min(100% - 20px, 720px); padding-top:20px; }
  .accent-grid, .two-col { grid-template-columns:1fr; }
  h1 { font-size:43px; }
}