* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  --bg: #0d0d0f;
  --panel: rgba(255, 255, 255, 0.045);
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --line: rgba(255, 255, 255, 0.10);
  --button-bg: #f4f4f5;
  --button-text: #111113;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  font-family:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background:
    radial-gradient(circle at 50% 15%, rgba(255,255,255,.06), transparent 38rem),
    var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
}

.page {
  width: min(100% - 32px, 760px);
  margin: auto;
  padding: 64px 0 36px;
}

.card {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 28px;
  padding: clamp(32px, 8vw, 72px);
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 80px rgba(0,0,0,.25);
}

.eyebrow {
  margin: 0 0 28px;
  color: var(--muted);
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 10vw, 80px);
  line-height: .98;
  letter-spacing: -.05em;
  font-weight: 650;
}

.lead {
  margin: 18px 0 44px;
  font-size: clamp(24px, 5vw, 34px);
  color: #d4d4d8;
  letter-spacing: -.025em;
}

.copy {
  max-width: 590px;
  font-size: clamp(18px, 3vw, 21px);
  line-height: 1.65;
  color: #e4e4e7;
}

.copy p {
  margin: 0 0 22px;
}

.copy .quiet {
  color: var(--muted);
}

.actions {
  margin-top: 42px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--button-bg);
  color: var(--button-text);
  text-decoration: none;
  font-weight: 650;
  transition: transform .18s ease, opacity .18s ease;
}

.button:hover {
  transform: translateY(-1px);
  opacity: .92;
}

.button:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 4px;
}

.signature {
  margin: 54px 0 0;
  color: var(--muted);
  font-size: 15px;
}

footer {
  padding: 0 20px 28px;
  text-align: center;
  color: #71717a;
  font-size: 12px;
}

@media (max-width: 560px) {
  .page {
    width: min(100% - 20px, 760px);
    padding-top: 24px;
  }

  .card {
    border-radius: 22px;
    padding: 30px 24px 34px;
  }

  .lead {
    margin-bottom: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .button {
    transition: none;
  }
}