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

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.5;
  background: #0b1220;
  color: #eef2ff;
}

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

.card {
  width: min(900px, 100%);
  text-align: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.penguins {
  display: block;
  width: 100%;
  max-width: 720px;   /* limita em telas grandes */
  height: auto;       /* mantém proporção */
  margin: 0 auto 14px;/* centraliza */
  border-radius: 14px;
  object-fit: cover;
}

h1 {
  margin: 8px 0 4px;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
}

p {
  margin: 0;
  opacity: 0.9;
  font-size: clamp(0.95rem, 2.2vw, 1.05rem);
}

a {
  color: white;
  text-decoration: none;
}