/* style/blog.css */
.page-blog {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main-color); /* Sử dụng màu chữ chính */
  background-color: var(--deep-navy-color); /* Body background */
}

/* HERO Section */
.page-blog__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  background: var(--deep-navy-color);
}

.page-blog__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

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

.page-blog__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}

.page-blog__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  max-width: 800px;
  padding: 0 20px;
}

.page-blog__main-title {
  font-size: clamp(2.2em, 4vw, 3.2em);
  font-weight: bold;
  color: var(--text-main-color);
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: 0.5px;
}

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

.page-blog__cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: var(--text-main-color);
  text-decoration: none;
  border-radius: 5px;
  font-size: 18px;
  font-weight: bold;
  margin-top: 30px;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog__cta-button:hover {
  background: linear-gradient(180deg, #1144A6 0%, #2B73F6 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* General Section Styles */
.page-blog__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
  width: 100%;
}

.page-blog__section-title {
  font-size: clamp(1.8em, 3vw, 2.8em);
  font-weight: bold;
  margin-bottom: 20px;
  text-align: center;
  color: var(--gold-color);
  line-height: 1.3;
}

.page-blog__section-description {
  font-size: 1.05em;
  color: var(--text-secondary-color);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

/* Latest Posts Section */
.page-blog__latest-posts {
  padding: 80px 0;
  background-color: var(--deep-navy-color);
}

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

.page-blog__post-card {
  background-color: var(--card-bg-color);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-blog__post-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.page-blog__card-link {
  text-decoration: none;
  display: block;
  height: 100%;
  color: inherit;
}

.page-blog__card-image-wrapper {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.page-blog__card-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.page-blog__post-card:hover .page-blog__card-image-wrapper img {
  transform: scale(1.05);
}

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

.page-blog__card-title {
  font-size: 1.4em;
  font-weight: bold;
  color: var(--text-main-color);
  margin-bottom: 10px;
  line-height: 1.4;
}

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

.page-blog__post-date {
  font-size: 0.85em;
  color: var(--gold-color);
  display: block;
}

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

.page-blog__view-all-button {
  display: inline-block;
  padding: 12px 30px;
  background: var(--gold-color);
  color: var(--deep-navy-color);
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog__view-all-button:hover {
  background-color: var(--glow-color);
}

/* About Blog Section */
.page-blog__about-blog {
  padding: 80px 0;
  background-color: var(--card-bg-color);
  color: var(--text-secondary-color);
}

.page-blog__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-blog__feature-item {
  background-color: rgba(0, 0, 0, 0.2);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.page-blog__feature-title {
  font-size: 1.3em;
  font-weight: bold;
  color: var(--gold-color);
  margin-bottom: 15px;
}

.page-blog__feature-text {
  font-size: 0.95em;
  color: var(--text-secondary-color);
}

/* Categories Section */
.page-blog__categories {
  padding: 80px 0;
  background-color: var(--deep-navy-color);
}

.page-blog__category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.page-blog__category-card {
  display: block;
  background-color: var(--card-bg-color);
  color: var(--text-main-color);
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-blog__category-card:hover {
  background-color: var(--primary-color);
  transform: translateY(-5px);
}

/* Popular Posts Section */
.page-blog__popular-posts {
  padding: 80px 0;
  background-color: var(--card-bg-color);
  color: var(--text-secondary-color);
}

.page-blog__popular-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 40px;
}

.page-blog__popular-item {
  background-color: rgba(0, 0, 0, 0.2);
  padding: 20px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: background-color 0.3s ease;
}

.page-blog__popular-item:hover {
  background-color: rgba(0, 0, 0, 0.3);
}

.page-blog__popular-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.page-blog__popular-title {
  font-size: 1.2em;
  font-weight: bold;
  color: var(--text-main-color);
  margin-bottom: 8px;
}

.page-blog__popular-excerpt {
  font-size: 0.9em;
  color: var(--text-secondary-color);
}

/* CTA Banner Section */
.page-blog__cta-banner {
  padding: 60px 0;
  background-color: var(--primary-color);
  text-align: center;
  background: linear-gradient(180deg, #113B7A 0%, #08162B 100%);
}

.page-blog__cta-banner .page-blog__section-title {
  color: var(--text-main-color);
}

.page-blog__cta-banner .page-blog__section-description {
  color: var(--text-secondary-color);
  margin-bottom: 30px;
}

/* Variables */
:root {
  --primary-color: #113B7A;
  --secondary-color: #1D5FD1;
  --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  --card-bg-color: #10233F;
  --text-main-color: #F3F8FF;
  --text-secondary-color: #AFC4E8;
  --border-color: #244D84;
  --glow-color: #4FA8FF;
  --gold-color: #F2C14E;
  --divider-color: #1B3357;
  --deep-navy-color: #08162B;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-blog__post-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .page-blog__card-image-wrapper {
    height: 200px;
  }
}

@media (max-width: 768px) {
  .page-blog__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-blog__main-title {
    font-size: 2.2em;
  }
  .page-blog__description {
    font-size: 1em;
  }
  .page-blog__cta-button,
  .page-blog__view-all-button,
  .page-blog__category-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-blog__cta-banner .page-blog__cta-button {
    margin-top: 20px;
  }
  .page-blog__container,
  .page-blog__latest-posts,
  .page-blog__about-blog,
  .page-blog__categories,
  .page-blog__popular-posts,
  .page-blog__cta-banner {
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-blog__post-grid {
    grid-template-columns: 1fr;
  }
  .page-blog__card-image-wrapper {
    height: 180px;
  }
  .page-blog__feature-item,
  .page-blog__category-card,
  .page-blog__popular-item {
    padding: 20px;
  }
  .page-blog__section-title {
    font-size: 2em;
  }
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-blog__cta-buttons,
  .page-blog__button-group,
  .page-blog__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .page-blog__main-title {
    font-size: 1.8em;
  }
  .page-blog__card-title {
    font-size: 1.2em;
  }
  .page-blog__card-image-wrapper {
    height: 150px;
  }
}