/* style/blog.css */
/* body đã padding-top: var(--header-offset) từ shared.css, không cần thêm tại đây */

:root {
  --page-blog-primary-color: #26A9E0;
  --page-blog-secondary-color: #FFFFFF;
  --page-blog-dark-text: #333333;
  --page-blog-light-text: #FFFFFF;
  --page-blog-background-light: #f8f9fa;
  --page-blog-background-dark: #26A9E0; /* Sử dụng màu chủ đạo cho nền tối */
  --page-blog-button-login: #EA7C07;
}

.page-blog {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-blog-dark-text); /* Mặc định chữ tối trên nền sáng */
  background-color: var(--page-blog-background-light);
}

.page-blog__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* Hero Section */
.page-blog__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--page-blog-light-text);
  background: linear-gradient(135deg, #26A9E0, #1a7bbd);
  padding-top: 10px; /* Nhỏ hơn so với --header-offset */
  padding-bottom: 60px;
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Giới hạn chiều cao của ảnh */
  overflow: hidden;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.5); /* Làm tối ảnh để chữ dễ đọc hơn */
}

.page-blog__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 40px 20px;
  background: rgba(0, 0, 0, 0.4); /* Nền tối để chữ trắng nổi bật */
  border-radius: 8px;
  margin-top: 100px; /* Đẩy nội dung xuống dưới ảnh */
}

.page-blog__main-title {
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--page-blog-light-text);
}

.page-blog__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: var(--page-blog-light-text);
}

.page-blog__cta-group {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-blog__btn-primary {
  background-color: var(--page-blog-primary-color);
  color: var(--page-blog-light-text);
  border: 2px solid var(--page-blog-primary-color);
}

.page-blog__btn-primary:hover {
  background-color: #1a7bbd;
  border-color: #1a7bbd;
}

.page-blog__btn-secondary {
  background-color: transparent;
  color: var(--page-blog-light-text);
  border: 2px solid var(--page-blog-light-text);
}

.page-blog__btn-secondary:hover {
  background-color: var(--page-blog-light-text);
  color: var(--page-blog-primary-color);
}

.page-blog__btn-center {
  margin: 0 auto;
  display: table; /* Để căn giữa khối inline-block */
}

/* Latest Posts Section */
.page-blog__latest-posts {
  padding: 60px 0;
  background-color: var(--page-blog-background-light);
  color: var(--page-blog-dark-text);
}

.page-blog__section-title {
  font-size: clamp(1.8em, 3vw, 2.5em);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--page-blog-dark-text);
}

.page-blog__post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-blog__post-card {
  background-color: var(--page-blog-secondary-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

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

.page-blog__post-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-blog__post-image {
  width: 100%;
  height: 220px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-blog__post-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-blog__post-title {
  font-size: 1.4em;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--page-blog-dark-text);
}

.page-blog__post-excerpt {
  font-size: 0.95em;
  color: #555;
  margin-bottom: 15px;
  flex-grow: 1;
}

.page-blog__post-date {
  font-size: 0.85em;
  color: #888;
  text-align: right;
}

.page-blog__view-all-wrapper {
  margin-top: 50px;
  text-align: center;
}

/* Categories Section */
.page-blog__categories {
  padding: 60px 0;
  background-color: var(--page-blog-background-dark);
  color: var(--page-blog-light-text);
  text-align: center;
}

.page-blog__category-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-top: 30px;
}

.page-blog__category-item {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid var(--page-blog-light-text);
  border-radius: 50px;
  text-decoration: none;
  color: var(--page-blog-light-text);
  font-weight: 500;
  transition: all 0.3s ease;
}

.page-blog__category-item:hover {
  background-color: var(--page-blog-light-text);
  color: var(--page-blog-primary-color);
}

/* Newsletter Section */
.page-blog__newsletter {
  padding: 60px 0;
  background-color: var(--page-blog-background-light);
  color: var(--page-blog-dark-text);
  text-align: center;
}

.page-blog__newsletter-form {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-top: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog__form-input {
  flex-grow: 1;
  padding: 12px 20px;
  border: 1px solid #ccc;
  border-radius: 50px;
  font-size: 1em;
  box-sizing: border-box;
  min-width: 250px; /* Đảm bảo đủ rộng trên desktop */
  max-width: 100%;
}

.page-blog__form-input::placeholder {
  color: #888;
}

.page-blog__newsletter-form .page-blog__btn-primary {
  flex-grow: 0; /* Không cho nút giãn theo input */
  min-width: 150px;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .page-blog__hero-content {
    margin-top: 50px;
    padding: 30px 15px;
  }

  .page-blog__main-title {
    font-size: clamp(1.8em, 4.5vw, 3em);
  }

  .page-blog__description {
    font-size: 1em;
  }

  .page-blog__post-image {
    height: 180px;
  }

  .page-blog__post-title {
    font-size: 1.2em;
  }
}

@media (max-width: 768px) {
  .page-blog__container,
  .page-blog__hero-section,
  .page-blog__latest-posts,
  .page-blog__categories,
  .page-blog__newsletter {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important; /* Ngăn chặn tràn ngang */
  }

  .page-blog__hero-section {
    padding-top: 10px !important; /* body đã xử lý padding-top */
    padding-bottom: 40px !important;
  }

  .page-blog__hero-image-wrapper {
    max-height: 400px;
  }

  .page-blog__hero-content {
    margin-top: 0;
    padding: 20px 10px;
  }

  .page-blog__main-title {
    font-size: clamp(1.5em, 6vw, 2.5em) !important;
  }

  .page-blog__description {
    font-size: 0.9em !important;
  }

  .page-blog__cta-group {
    flex-direction: column;
    gap: 15px;
  }

  .page-blog__btn-primary,
  .page-blog__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-blog__section-title {
    font-size: clamp(1.5em, 5vw, 2em) !important;
  }

  .page-blog__post-grid {
    grid-template-columns: 1fr;
  }

  .page-blog__post-image {
    height: 200px !important;
    max-width: 100% !important;
    width: 100% !important;
  }

  .page-blog__post-title {
    font-size: 1.1em !important;
  }

  .page-blog__category-list {
    flex-direction: column;
    gap: 10px;
  }

  .page-blog__category-item {
    width: 100%;
  }

  .page-blog__newsletter-form {
    flex-direction: column;
    gap: 10px;
  }

  .page-blog__form-input,
  .page-blog__newsletter-form .page-blog__btn-primary {
    min-width: unset !important;
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-blog img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
}

/* Ensure no filter on images */
.page-blog img {
  filter: none; /* Reset any potential filters */
}

.page-blog__hero-image {
  filter: brightness(0.5); /* Special case for hero overlay, not changing color */
}