.page-blog {
  font-family: 'Arial', sans-serif;
  color: var(--text-main);
  background-color: var(--background);
}

.page-blog__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 20px 60px 20px;
  text-align: center;
  overflow: hidden;
  background: var(--background);
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-width: 1920px;
  margin-bottom: 30px;
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  object-fit: cover;
}

.page-blog__hero-content {
  max-width: 900px;
  margin: 0 auto;
  z-index: 1;
  position: relative;
  padding: 0 15px;
}

.page-blog__main-title {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.page-blog__subtitle {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: nowrap;
  box-sizing: border-box;
}

.page-blog__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: var(--text-main);
  border: none;
  box-shadow: 0 4px 15px rgba(17, 168, 78, 0.4);
}

.page-blog__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(17, 168, 78, 0.6);
}

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

.page-blog__btn-secondary:hover {
  background: rgba(46, 122, 78, 0.2);
  transform: translateY(-2px);
}

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

.page-blog__latest-articles,
.page-blog__guides-section,
.page-blog__why-choose-us,
.page-blog__faq-section,
.page-blog__download-app {
  padding: 80px 0;
}

.page-blog__latest-articles {
  background-color: var(--background);
}

.page-blog__guides-section {
  background-color: var(--card-b-g);
}

.page-blog__why-choose-us {
  background-color: var(--background);
}

.page-blog__faq-section {
  background-color: var(--card-b-g);
}

.page-blog__download-app {
  background-color: var(--background);
}

.page-blog__section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-main);
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  padding-bottom: 15px;
}

.page-blog__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #11A84E 0%, #22C768 100%);
  border-radius: 2px;
}

.page-blog__articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-blog__article-card {
  background-color: var(--card-b-g);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-main);
}

.page-blog__article-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
}

.page-blog__card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.page-blog__card-content {
  padding: 25px;
}

.page-blog__card-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 15px;
  line-height: 1.4;
}

.page-blog__card-title a {
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-blog__card-title a:hover {
  color: var(--main-color);
}

.page-blog__card-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 15px;
}

.page-blog__card-date {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: block;
}

.page-blog__view-all-button {
  text-align: center;
}

.page-blog__guides-section .page-blog__content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 80px;
}

.page-blog__guides-section .page-blog__content-grid:last-of-type {
  margin-bottom: 0;
}

.page-blog__content-grid--reverse {
  grid-template-areas: 'image text';
}

.page-blog__content-grid--reverse .page-blog__text-block {
  grid-area: text;
}

.page-blog__content-grid--reverse .page-blog__image-block {
  grid-area: image;
}

.page-blog__sub-section-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 25px;
  line-height: 1.3;
}

.page-blog__text-block p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.page-blog__image-block img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-blog__why-choose-us .page-blog__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-blog__feature-item {
  background-color: var(--card-b-g);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-blog__feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.page-blog__feature-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 20px auto;
  display: block;
  object-fit: contain;
}

.page-blog__feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 15px;
}

.page-blog__feature-item p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.page-blog__btn-small {
  padding: 10px 20px;
  font-size: 0.9rem;
  margin-top: 20px;
}

.page-blog__faq-list {
  margin-top: 40px;
}

.page-blog__faq-item {
  background-color: var(--background);
  border: 1px solid var(--divider);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-main);
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-main);
  transition: background-color 0.3s ease;
  list-style: none;
}

.page-blog__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-blog__faq-item[open] .page-blog__faq-question {
  background-color: var(--deep-green);
}

.page-blog__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.page-blog__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  opacity: 0.9;
}

.page-blog__faq-answer p {
  margin-bottom: 10px;
}

.page-blog__faq-answer p:last-child {
  margin-bottom: 0;
}

.page-blog__download-app .page-blog__app-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.page-blog__app-text p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.page-blog__app-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-blog__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }
  .page-blog__section-title {
    font-size: 2rem;
  }
  .page-blog__guides-section .page-blog__content-grid,
  .page-blog__download-app .page-blog__app-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .page-blog__content-grid--reverse {
    grid-template-areas: unset;
  }
  .page-blog__content-grid--reverse .page-blog__text-block,
  .page-blog__content-grid--reverse .page-blog__image-block {
    grid-area: unset;
  }
  .page-blog__hero-image-wrapper {
    margin-bottom: 20px;
  }
  .page-blog__hero-content {
    padding: 0 10px;
  }
}

@media (max-width: 768px) {
  .page-blog {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-blog__hero-section {
    padding: 10px 15px 40px 15px;
  }
  .page-blog__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    margin-bottom: 15px;
  }
  .page-blog__subtitle {
    font-size: 1rem;
    margin-bottom: 25px;
  }
  .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: 12px 20px;
    font-size: 1rem;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }
  .page-blog__container {
    padding: 0 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-blog__latest-articles,
  .page-blog__guides-section,
  .page-blog__why-choose-us,
  .page-blog__faq-section,
  .page-blog__download-app {
    padding: 40px 0;
  }
  .page-blog__section-title {
    font-size: 1.8rem;
    margin-bottom: 40px;
  }
  .page-blog__articles-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-blog__card-image {
    height: 180px;
  }
  .page-blog__card-title {
    font-size: 1.2rem;
  }
  .page-blog__card-excerpt {
    font-size: 0.9rem;
  }
  .page-blog__guides-section .page-blog__content-grid {
    gap: 30px;
    margin-bottom: 50px;
  }
  .page-blog__sub-section-title {
    font-size: 1.6rem;
    margin-bottom: 20px;
  }
  .page-blog__text-block p {
    font-size: 0.95rem;
  }
  .page-blog__image-block img,
  .page-blog__app-image img,
  .page-blog__hero-image,
  .page-blog__card-image,
  .page-blog__feature-icon {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important;
  }
  .page-blog__feature-item {
    padding: 25px;
  }
  .page-blog__feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
  }
  .page-blog__feature-title {
    font-size: 1.3rem;
  }
  .page-blog__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }
  .page-blog__faq-answer {
    font-size: 0.95rem;
    padding: 0 20px 15px 20px;
  }
  .page-blog__download-app .page-blog__app-content {
    gap: 30px;
  }

  /* Ensure all content containers are responsive */
  .page-blog__section,
  .page-blog__card,
  .page-blog__container,
  .page-blog__cta-buttons,
  .page-blog__button-group,
  .page-blog__btn-container,
  .page-blog__video-section,
  .page-blog__video-container,
  .page-blog__video-wrapper,
  .page-blog__hero-image-wrapper,
  .page-blog__app-content {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  .page-blog__hero-content {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  .page-blog__hero-image-wrapper {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  .page-blog__cta-group {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  .page-blog__video-section {
    padding-top: 10px !important; /* body đã xử lý --header-offset */
  }
}

@media (max-width: 480px) {
  .page-blog__btn-primary,
  .page-blog__btn-secondary {
    font-size: 0.95rem;
  }
  .page-blog__section-title {
    font-size: 1.6rem;
  }
  .page-blog__sub-section-title {
    font-size: 1.4rem;
  }
}

/* Color Contrast Fixes based on custom colors */
.page-blog__dark-bg {
  background-color: var(--card-b-g);
  color: var(--text-main);
}

.page-blog__light-bg {
  background-color: var(--background);
  color: var(--text-secondary);
}

.page-blog__card {
  background-color: var(--card-b-g);
  color: var(--text-main);
  border: 1px solid var(--border);
}

.page-blog__card-title a {
  color: var(--text-main);
}

.page-blog__card-title a:hover {
  color: var(--main-color);
}

.page-blog__btn-primary {
  color: var(--text-main);
}

.page-blog__btn-secondary {
  color: var(--text-main);
  border-color: var(--border);
}

.page-blog__btn-secondary:hover {
  background: var(--deep-green);
}

.page-blog__faq-item {
  border-color: var(--divider);
}

.page-blog__faq-item[open] .page-blog__faq-question {
  background-color: var(--deep-green);
}

.page-blog__faq-question {
  color: var(--text-main);
}

.page-blog__faq-answer {
  color: var(--text-secondary);
}