* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #d7c3a0;

  color: #3b2a1a;

  font-family: "Times New Roman", serif;

  min-height: 100vh;

  overflow-x: hidden;

  background-image:
  repeating-linear-gradient(
    0deg,
    rgba(120, 90, 50, 0.03) 0px,
    rgba(120, 90, 50, 0.03) 1px,
    transparent 1px,
    transparent 4px
  );
}

/* textura */

.noise {
  position: fixed;
  inset: 0;

  background:
  radial-gradient(rgba(60,40,20,0.04) 1px, transparent 1px);

  background-size: 4px 4px;

  pointer-events: none;
}

/* HOME */

header {
  min-height: 100vh;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  text-align: center;

  padding: 30px;

  position: relative;
  z-index: 2;
}

header h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);

  letter-spacing: 4px;

  color: #5c4226;

  font-weight: normal;
}

header p {
  margin-top: 25px;

  max-width: 700px;

  font-size: clamp(1rem, 3vw, 1.4rem);

  line-height: 2;

  color: #6b5134;
}

.enter-button {
  margin-top: 40px;

  text-decoration: none;

  color: #4a341d;

  border: 1px solid #6b5134;

  padding: 16px 32px;

  border-radius: 4px;

  transition: 0.3s;

  background: rgba(255,255,255,0.2);
}

.enter-button:hover {
  background: rgba(255,255,255,0.4);

  transform: translateY(-2px);
}

/* NAV */

nav {
  padding: 20px;
}

nav a {
  text-decoration: none;

  color: #5c4226;

  font-size: 1.1rem;
}

/* LIVRO */

.book-container {
  width: 100%;

  max-width: 1000px;

  margin: auto;

  display: flex;
  flex-direction: column;

  gap: 50px;

  padding:
  20px
  15px
  100px;
}

.book-page {
  background: #efe2c2;

  color: #2c1d0f;

  width: 100%;

  padding: clamp(25px, 5vw, 70px);

  box-shadow:
  0 10px 30px rgba(0,0,0,0.15);

  border: 1px solid rgba(90,60,30,0.15);

  position: relative;

  overflow-wrap: break-word;
}

.book-page::before {
  content: '';

  position: absolute;

  top: 0;
  left: 35px;

  width: 1px;
  height: 100%;

  background: rgba(120,70,30,0.15);
}

.book-page h2 {
  text-align: center;

  margin-bottom: 35px;

  font-size: clamp(1.8rem, 5vw, 2.8rem);

  color: #4b351f;

  font-weight: normal;
}

.book-page p {
  white-space: pre-line;

  line-height: 2.2;

  font-size: clamp(1rem, 3vw, 1.35rem);
}

/* FOOTER */

footer {
  text-align: center;

  padding: 30px;

  opacity: 0.6;
}

/* ELEMENTOS ANTIGOS */

.sun,
.floating {
  display: none;
}

/* MOBILE */

@media (max-width: 600px) {

  body {
    overflow-x: hidden;
  }

  .book-page {
    padding: 30px 20px;
  }

  .book-page::before {
    left: 18px;
  }

  header {
    padding: 20px;
  }

  .enter-button {
    width: 100%;

    max-width: 260px;

    text-align: center;
  }
}