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

body {
  font-family: 'Inter', sans-serif;
  background-color: #ffffff;
  color: #333333;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e0e0e0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.logo {
  font-size: 1.6rem;
  font-weight: 600;
  color: #c62828;
  text-decoration: none;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 25px;
}

.site-nav ul.show {
  display: block;
  position: absolute;
  top: 60px;
  right: 20px;
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 10px;
}

.site-nav ul li a {
  text-decoration: none;
  color: #333333;
  font-weight: 500;
  padding: 6px 0;
}

.site-nav ul li a.active,
.site-nav ul li a:hover {
  color: #c62828;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 3px;
  background-color: #333333;
  border-radius: 2px;
}

.hero-section {
  position: relative;
  height: 80vh;
  overflow: hidden;
}

.hero-slides {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #ffffff;
  top: 50%;
  transform: translateY(-50%);
}

.hero-content h1 {
  font-size: 2.8rem;
  margin-bottom: 15px;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 25px;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

.btn-hero {
  display: inline-block;
  background: linear-gradient(90deg, #c62828, #e53935);
  color: #ffffff;
  padding: 12px 30px;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 30px;
  transition: opacity 0.3s ease;
}

.btn-hero:hover {
  opacity: 0.8;
}

.about-section {
  padding: 80px 0;
  background-color: #ffffff;
}

.about-section h2 {
  text-align: center;
  font-size: 2rem;
  color: #c62828;
  margin-bottom: 20px;
}

.about-section p {
  max-width: 800px;
  margin: 0 auto;
  color: #555555;
  font-size: 1rem;
  text-align: center;
}

.meetings-section {
  padding: 80px 0;
  background-color: #f9f9f9;
}

.meetings-section h2 {
  text-align: center;
  font-size: 2rem;
  color: #c62828;
  margin-bottom: 20px;
}

.meeting-item {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 15px;
  font-size: 1rem;
  color: #333333;
}

.books-section {
  padding: 80px 0;
  background-color: #ffffff;
}

.books-section h2 {
  text-align: center;
  font-size: 2rem;
  color: #c62828;
  margin-bottom: 40px;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.book-card {
  text-align: center;
}

.book-card img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

.book-card h3 {
  font-size: 1.2rem;
  color: #333333;
  margin-bottom: 10px;
}

.book-card p {
  font-size: 0.95rem;
  color: #555555;
  line-height: 1.5;
}

.reviews-section {
  padding: 80px 0;
  background-color: #f9f9f9;
}

.reviews-section h2 {
  text-align: center;
  font-size: 2rem;
  color: #c62828;
  margin-bottom: 40px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.review-card {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.review-card p {
  font-style: italic;
  color: #555555;
  margin-bottom: 15px;
}

.review-card strong {
  color: #333333;
}

.contact-section {
  padding: 80px 0;
  background-color: #ffffff;
  text-align: center;
}

.contact-section h2 {
  font-size: 2rem;
  color: #c62828;
  margin-bottom: 20px;
}

.contact-section p {
  font-size: 1rem;
  color: #555555;
}

.contact-section a {
  color: #c62828;
  text-decoration: none;
}

.site-footer {
  background-color: #222222;
  padding: 20px 0;
  text-align: center;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.footer-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: #e53935;
  text-decoration: none;
  font-size: 0.95rem;
}

.footer-links a:hover {
  text-decoration: underline;
}

.footer-links .bar {
  color: #ffffff;
}

.site-footer p {
  font-size: 0.9rem;
  color: #bbbbbb;
  margin: 0;
}

.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: linear-gradient(90deg, #c62828, #e53935);
  color: #ffffff;
  font-size: 1.2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.scroll-to-top:hover {
  opacity: 1;
}

@media (max-width: 768px) {
  .site-nav ul {
    display: none;
    position: absolute;
    top: 60px;
    right: 20px;
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 10px;
    flex-direction: column;
  }

  .site-nav ul.show {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .site-nav ul li a {
    padding: 10px 0;
  }

  .books-grid,
  .reviews-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

.gallery-section {
  padding: 80px 0;
  background-color: #ffffff;
}

.gallery-section h2 {
  text-align: center;
  font-size: 2rem;
  color: #c62828;
  margin-bottom: 40px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.modal {
  display: none;
  position: fixed;
  z-index: 200;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  align-items: center;
  justify-content: center;
}

.modal-content {
  max-width: 90%;
  max-height: 90%;
  border-radius: 8px;
  animation: fadeIn 0.5s ease;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 2rem;
  color: #ffffff;
  cursor: pointer;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

html {
  scroll-behavior: smooth;
}

.meetings-section-details {
  padding: 80px 0;
  background-color: #ffffff;
}

.meetings-section h2 {
  text-align: center;
  font-size: 2rem;
  color: #c62828;
  margin-bottom: 40px;
}

.meetings-grid-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.meeting-card-details {
  background-color: #f9f9f9;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.meeting-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.meeting-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.meeting-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.meeting-date {
  font-size: 0.9rem;
  color: #757575;
  font-weight: 500;
}

.meeting-title {
  font-size: 1.2rem;
  color: #c62828;
  margin: 0;
}

.meeting-desc {
  font-size: 1rem;
  color: #444444;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .meetings-grid {
    grid-template-columns: 1fr;
  }

  .meeting-image {
    height: 180px;
  }
}

.books-section {
  padding: 80px 0;
  background-color: #ffffff;
}

.books-section h2 {
  text-align: center;
  font-size: 2rem;
  color: #c62828;
  margin-bottom: 40px;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.book-card {
  background-color: #f9f9f9;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.book-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.book-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.book-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.book-title {
  font-size: 1.2rem;
  color: #c62828;
  margin: 0;
}

.book-author {
  font-size: 0.9rem;
  color: #757575;
  font-weight: 500;
}

.book-desc {
  font-size: 1rem;
  color: #444444;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .books-grid {
    grid-template-columns: 1fr;
  }

  .book-image {
    height: 180px;
  }
}

.title_background {
  background: linear-gradient(90deg, #c62828, #e53935);
  padding: 60px 0;
}

.title_background .container {
  display: flex;
  justify-content: center;
}

.title_background .title {
  font-family: 'Inter', sans-serif;
  font-size: 2rem;
  color: #ffffff;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.text_background {
  background-color: #fff5f5;
  padding: 40px 0;
}

.text_background .container {
  max-width: 800px;
  margin: 0 auto;
}

.text_background .text {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.8;
  color: #333333;
  text-align: justify;
}