:root {
  --bg-top: #f4efe6;
  --bg-bottom: #dcecff;
  --card: rgba(255, 255, 255, 0.88);
  --text: #1d2a39;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --border: rgba(29, 42, 57, 0.12);
  --shadow: 0 20px 45px rgba(17, 24, 39, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

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

.card {
  width: min(560px, 100%);
  padding: 40px 32px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow);
  text-align: center;
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--accent-dark);
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.description {
  margin: 0 auto 24px;
  max-width: 42ch;
  line-height: 1.6;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease;
}

button:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.message {
  margin: 20px 0 0;
  font-weight: 600;
}