* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  overflow: hidden;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
}

/* Centered Book Cover */
.hero {
  max-width: 100vw;
  max-height: 100vh;
  max-height: 100dvh;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

/* Top-Right Social Media Links */
.social-links {
  position: fixed;
  top: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  z-index: 20;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-decoration: none;
  font-size: 22px;
  opacity: 0.8;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.social-links a:hover {
  opacity: 1;
  transform: translateY(-2px);
}

/* Mobile Adjustments */
@media (max-width: 600px) {
  .social-links {
    top: 16px;
    right: 16px;
    gap: 16px;
  }

  .social-links a {
    font-size: 19px;
  }
}