:root {
  --bg: #faf8f5;
  --text: #2c2c2c;
  --accent: #7d9b7a;
  --gold: #c9a961;
  --cream: #f5f0e6;
  --dark: #1a1a1a;
  --green: #8aa68a;
}

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

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

header {
  background: var(--dark);
  color: white;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

.logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: white;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 400;
  transition: color 0.3s;
}

nav a:hover {
  color: var(--gold);
}

.hero {
  background: none;
  color: var(--text);
  text-align: center;
  padding: 0;
  min-height: auto;
  display: block;
}

.hero-banner {
  width: 100%;
  height: auto;
  display: block;
}

.hero-content {
  padding: 4rem 2rem 5rem;
  background: var(--bg);
}

.hero-content h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.5px;
}

.hero-content p {
  font-size: 1.3rem;
  max-width: 700px;
  margin: 0 auto 2rem;
  opacity: 0.9;
}

.btn, .btn-small {
  display: inline-block;
  background: var(--green);
  color: white;
  padding: 0.8rem 1.8rem;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  transition: background 0.3s, transform 0.2s;
}

.btn:hover, .btn-small:hover {
  background: #6d8a6a;
  transform: translateY(-2px);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  margin: 0.3rem;
}

section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.8rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--dark);
  font-weight: 600;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.book-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s;
  text-align: center;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.book-card:hover {
  transform: translateY(-5px);
}

.book-card img {
  width: 100%;
  height: auto;
  display: block;
}

.book-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.6rem;
  margin: 1.2rem 0 0.8rem;
  padding: 0 1rem;
  font-weight: 600;
}

.book-card p {
  padding: 0 1.2rem 1.5rem;
  font-size: 0.95rem;
  flex-grow: 1;
}

.book-links {
  padding-bottom: 1.5rem;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: auto;
}

.about-wrapper {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
  max-width: 900px;
  margin: 0 auto;
}

.author-photo {
  width: 280px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .about-wrapper {
    flex-direction: column;
    align-items: center;
  }
  .author-photo {
    width: 100%;
    max-width: 320px;
  }
}

.about-content p {
  margin-bottom: 1.5rem;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.reviews-intro {
  text-align: center;
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.review-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 3rem;
}

cite {
  display: block;
  margin-top: 1rem;
  font-style: normal;
  font-weight: 700;
  color: var(--green);
  font-size: 0.9rem;
  text-align: center;
}

.stars {
  display: block;
  margin-top: 0.3rem;
  font-weight: 600;
}

.contact-form {
  max-width: 500px;
  margin: 2rem auto 0;
  text-align: left;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.optional {
  font-weight: 400;
  color: #888;
  font-size: 0.85rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
}

.form-group textarea {
  resize: vertical;
}

.contact-form .btn {
  width: 100%;
  margin-top: 0.5rem;
  cursor: pointer;
  border: none;
}

.hidden {
  display: none;
}

.contact a {
  color: var(--green);
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
}

.note {
  font-size: 0.9rem;
  opacity: 0.7;
  margin-top: 1rem;
}

footer {
  background: var(--dark);
  color: white;
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 1rem;
  }
  nav ul {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  .hero-content h1 {
    font-size: 2.4rem;
  }
  h2 {
    font-size: 2.2rem;
  }
}