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

/* ========== BASE ========== */
body {
  font-family: Arial, sans-serif;
  background-color: #fff9f9;
  color: #333;
  line-height: 1.7;
}

/* ========== LINK VOLTAR ========== */
.back-link {
  position: fixed;
  top: 20px;
  left: 20px;
  background-color: #fad2db;
  color: #4d0909;
  font-weight: bold;
  padding: 0.7rem 1.3rem;
  border-radius: 30px;
  text-decoration: none;
  font-family: "Segoe UI", sans-serif;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: 0.3s;
  z-index: 1000;
}

.back-link:hover {
  background-color: #deb0c3;
}

/* ========== HEADER ========== */
header {
  text-align: center;
  padding: 35px 20px;
  background-color: #f8c4d4;
  color: #ffffff;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
}

header h1 {
  font-size: 34px;
  margin-bottom: 10px;
}

header p {
  font-size: 18px;
}

/* ========== MAIN ========== */
main {
  max-width: 900px;
  margin: 35px auto;
  padding: 0 20px;
}

/* ========== SECTIONS ========== */
section {
  background-color: #ffe5ec;
  padding: 25px 30px;
  margin-bottom: 30px;
  border-radius: 16px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

section h2 {
  color: #8e325f;
  font-size: 24px;
  margin-bottom: 15px;
}

section p {
  font-size: 16px;
}

/* ========== LISTAS ========== */
ul {
  margin-left: 20px;
}

ul li {
  font-size: 16px;
  margin-bottom: 8px;
}

/* ========== FOOTER ========== */
footer {
  text-align: center;
  padding: 20px;
  background-color: #f8c4d4;
  color: #8e325f;
  font-size: 14px;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  margin-top: 40px;
}

/* ================= RESPONSIVO ================= */

/* Até 1200px */
@media (max-width: 1200px) {
  main {
    max-width: 96%;
  }

  header {
    padding: 40px 24px;
  }

  header h1 {
    font-size: 34px;
  }

  header p {
    font-size: 19px;
  }

  section {
    padding: 28px 30px;
  }

  section h2 {
    font-size: 25px;
  }

  section p,
  ul li {
    font-size: 18px;
    line-height: 1.8;
  }
}


/* Até 1024px */
@media (max-width: 1024px) {
  main {
    max-width: 100%;
    padding: 0 24px;
  }

  header h1 {
    font-size: 32px;
  }

  header p {
    font-size: 18px;
  }

  section {
    padding: 26px;
  }

  section h2 {
    font-size: 24px;
  }

  section p,
  ul li {
    font-size: 18px;
  }

  footer {
    font-size: 15px;
  }
}


@media (max-width: 900px) {
  header h1 {
    font-size: 30px;
  }

  header p {
    font-size: 18px;
  }

  section {
    margin-bottom: 32px;
  }

  section p,
  ul li {
    font-size: 18px;
  }

  ul {
    margin-left: 24px;
  }
}


/* Até 768px (tablet / celular grande) */
@media (max-width: 768px) {
  header {
    padding: 36px 20px;
  }

  header h1 {
    font-size: 28px;
  }

  header p {
    font-size: 17px;
  }

  main {
    padding: 0 16px;
  }

  section {
    padding: 20px;
  }

  section h2 {
    font-size: 21px;
  }

  section p,
  ul li {
    font-size: 15px;
    line-height: 1.6;
  }

  .back-link {
    font-size: 15px;
    padding: 0.7rem 1.2rem;
  }
}


/* Até 480px (celular) */
@media (max-width: 480px) {
  header {
    padding: 32px 6px;
  }

  header h1 {
    margin-top: 1.6rem;
    font-size: 20px;
  }

  header p {
    font-size: 16px;
  }

  main {
    padding: 0 14px;
  }

  section {
    padding: 22px;
  }

  section h2 {
    font-size: 21px;
  }

  section p,
  ul li {
    font-size: 14px;
    line-height: 2;
  }

  footer {
    font-size: 16px;
    padding: 16px;
  }

  .back-link {
    top: 12px;
    left: 12px;
    padding: 0.2rem 0.6rem;
  }
}


/* Celular horizontal */
@media (max-width: 740px) and (orientation: landscape) {
  header h1 {
    font-size: 24px;
  }

  section p,
  ul li {
    font-size: 15px;
  }
}