/* baby pastel reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", system-ui, sans-serif;
}

/* pastel baby palette */
:root {
  --yellow: #fff3b0;   /* primary */
  --pink: #ffcad4;     /* secondary */
  --blue: #cdeaff;     /* tertiary */
  --green: #d8f3dc;    /* quaternary */

  --text: #5f5f5f;
}

body {
  min-height: 100vh;
  background: linear-gradient(
    135deg,
    var(--yellow),
    var(--blue)
  );
  display: flex;
  align-items: center;
  justify-content: center;
}

/* main card */
.card {
  background: white;
  padding: 2.5rem 2rem;
  width: 340px;
  border-radius: 28px;
  text-align: center;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  border: 4px solid var(--green);
}

.card h1 {
  font-size: 1.8rem;
  color: #f6b73c;
  margin-bottom: 1rem;
}

.card p {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 2rem;
}

/* buttons */
.buttons {
  display: flex;
  justify-content: center;
}

.btn {
  text-decoration: none;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  font-size: 0.9rem;
  color: #555;
  background: var(--green);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.15);
}

/* color variants */
.yellow {
  background: var(--yellow);
}

.pink {
  background: var(--pink);
}