:root {
  --bg: #eef4ff;
  --card: #ffffffd9;
  --ink: #142334;
  --line: #c3d4ea;
  --accent: #0e6fb0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 10%, #fff4c8 0, #fff4c800 22%),
    linear-gradient(170deg, #d8eaff 0%, var(--bg) 60%);
  transition: font-family 220ms ease;
}

body.font-modern {
  font-family: Manrope, "Avenir Next", "Segoe UI", sans-serif;
}

body.font-classic {
  font-family: "Playfair Display", Georgia, serif;
}

.wrap {
  width: min(560px, calc(100% - 2rem));
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  backdrop-filter: blur(7px);
  padding: 2rem 1.2rem;
}

.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--accent);
}

h1 {
  margin: 0.5rem 0 0.2rem;
  font-size: clamp(2rem, 6vw, 3rem);
}

.subtitle {
  margin: 0;
  color: #516981;
}

.btn {
  margin-top: 1.2rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 0.65rem 1rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.btn:hover {
  filter: brightness(0.95);
}