:root {
  --bg-top: #dff6ff;
  --bg-bottom: #fff7d6;
  --card: rgba(255, 255, 255, 0.88);
  --text: #2f4f2f;
  --muted: #5f7a52;
  --border: rgba(122, 176, 95, 0.28);
  --shadow: 0 18px 40px rgba(120, 160, 90, 0.18);
  --accent: #f7c948;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
  color: var(--text);
}

body {
  min-height: 100vh;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 720px;
  padding: 32px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  text-align: center;
}

h1,
h2 {
  margin: 0 0 12px;
  line-height: 1.2;
  color: var(--text);
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-top: 0;
}

p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--muted);
}

hr {
  margin: 28px auto;
  border: 0;
  border-top: 2px solid var(--accent);
  width: 100%;
  opacity: 0.7;
}

@media (max-width: 600px) {
  .page {
    padding: 12px;
    align-items: center;
  }

  .card {
    padding: 20px 16px;
    border-radius: 16px;
  }

  h1 {
    font-size: clamp(1.6rem, 7vw, 2.1rem);
  }

  h2 {
    font-size: clamp(1.2rem, 5.5vw, 1.6rem);
  }

  p {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  hr {
    margin: 22px auto;
  }
}