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

/* BODY */
body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background-color: #ffffff;
  color: #222;
  padding: 20px;
  max-width: 900px;
  margin: auto;
}

/* HEADER */
header {
  text-align: center;
  margin-bottom: 30px;
}

header h1 {
  font-size: 2.2em;
  margin-bottom: 10px;
}

header p {
  color: #555;
  font-size: 1.1em;
}

/* SECTIONS */
section {
  margin-bottom: 40px;
}

/* HEADINGS */
h2 {
  font-size: 1.6em;
  margin-bottom: 15px;
  border-bottom: 2px solid #eee;
  padding-bottom: 5px;
}

h3 {
  font-size: 1.2em;
  margin-bottom: 8px;
}

/* PARAGRAPHS */
p {
  margin-bottom: 15px;
}

/* LINKS */
a {
  color: #0073e6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ARTICLES (BOOK CARDS) */
article {
  margin-bottom: 25px;
  padding: 15px;
  border: 1px solid #eee;
  border-radius: 6px;
  background-color: #fafafa;
}

/* IMAGE */
img {
  display: block;
  margin: 20px auto;
  border-radius: 6px;
  max-width: 100%;
}

/* FOOTER */
footer {
  margin-top: 40px;
  text-align: center;
  font-size: 0.9em;
  color: #777;
}

/* MOBILE */
@media (max-width: 600px) {
  body {
    padding: 15px;
  }

  header h1 {
    font-size: 1.8em;
  }

  h2 {
    font-size: 1.4em;
  }
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.card {
  padding: 22px;
  border: 1px solid #ddd;
  border-radius: 10px;
  background: #fafafa;
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

.card h3 {
  margin-bottom: 10px;
}

.card p {
  margin-bottom: 0;
}

.card:hover {
  transform: translateY(-3px);
  transition: 0.2s ease;
}

@media (max-width: 700px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}
.cta-button {
  text-align: center;
  margin: 30px 0;
}

.cta-button a {
  display: inline-block;
  background-color: #ff9900;
  color: #fff;
  padding: 14px 28px;
  font-size: 1.1em;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}

.cta-button a:hover {
  background-color: #e68a00;
}