:root {
  --primary: #101d30;
  --accent: #c75a43;
  --bg: #fafbfd;
  --muted: #5a6478;
  --line: #dde2ec;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--primary);
  font: 400 16px/1.5 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  min-height: 100dvh; display: flex; align-items: center; justify-content: center;
  padding: 24px 16px calc(24px + env(safe-area-inset-bottom));
}
.card {
  width: 100%; max-width: 420px; background: #fff;
  border: 1px solid var(--line); border-radius: 16px; padding: 28px 24px;
}
.brand { font-weight: 700; letter-spacing: .08em; font-size: 13px; color: var(--accent); margin-bottom: 16px; }
.event { margin: 0 0 4px; font-size: 14px; color: var(--muted); }
h1 { margin: 0 0 12px; font-size: 24px; line-height: 1.25; }
p { margin: 0 0 16px; }
.muted { font-size: 14px; color: var(--muted); margin: 16px 0 0; }
.btn {
  display: block; text-align: center; text-decoration: none;
  background: var(--primary); color: #fff; font-weight: 600; font-size: 17px;
  padding: 14px 16px; border-radius: 12px; min-height: 52px;
}
.btn:active { background: var(--accent); }