/* Section tổng */
.resource-hero {
  overflow: hidden;
  color: #fff;
}

.resource-hero__overlay {
  position: absolute;
  pointer-events: none;
  background-image: url(https://learningchain.vn/wp-content/uploads/2025/12/HERO_BANNER_NEWS_DETAIL.webp);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  width: 100%;
  height: auto;
  aspect-ratio: 1280/ 360;
  top: 0;
  left: 0;
}

/* Khối nội dung canh giữa trang */
.resource-hero__inner {
  position: relative;
  margin: 0 auto;
  padding-top: 150px;
  padding-left:0px;
  padding-right: 0px;
  padding-bottom: calc(150px * 0.1 + (100vw * 150 / 1920) * 0.9);
  display: flex;
  align-items: center;
}

/* ===== Label dọc bên trái ===== */

.resource-hero__side-label {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-right: 40px;
}

.resource-side-label__glow {
  width: 2px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, #ffffff, transparent);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}

.resource-side-label__text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: radial-gradient(circle at left, rgba(255, 255, 255, 0.25), transparent 55%);
}

/* ===== Khối 2 cột: chữ + hình ===== */

.resource-hero__content {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.resource-hero__eyebrow {
  font-size: clamp(40px, calc(70px * 0.65 + (100vw * 70 / 1920) * 0.35), 110px);
  font-weight: 600;
  margin: 0 0 0px;
  background: linear-gradient(to right, #6f6f6f 0%, #ffffff 40%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  display: inline-block;
  position: relative;
  display: inline-block;
}

.resource-hero__eyebrow::after {
  content: "";
  top: -80px;
  position: absolute;
  background: url(https://learningchain.vn/wp-content/uploads/2025/11/icon_tai_nguyen_tin_tuc_four_star.webp) no-repeat center;
  background-size: contain;
  width: 117px;
  height: auto;
  aspect-ratio: 1/ 1;
}

.resource-hero__title {
  font-size: clamp(56px, calc(150px * 0.65 + (100vw * 150 / 1920) * 0.35), 180px);
  line-height: 1;
  margin: 0 0 45px;
  font-weight: 800;
  white-space: nowrap;
  color: #fff;
}

/* Tabs dưới title */

.resource-hero__overlay_image_tablet {
    display: none;    
}

@media (max-width: 1439px) {
    .resource-hero__inner {
      padding-top: calc(550px * 0.1 + (100vw * 550 / 1439) * 0.9);
      padding-bottom: calc(140px * 0.1 + (100vw * 140 / 1439) * 0.9);
    }
      
    .resource-hero__overlay {
          background-image: url(https://learningchain.vn/wp-content/uploads/2025/11/HERO-BANNER.webp);
          aspect-ratio: 1366/ 1013;
    }
      
    .resource-hero__eyebrow::after {
        width: 100px;
    }
}
@media (max-width: 1023px) {
    .resource-hero__inner {
       padding-top: 120px;
       padding-bottom: 10px;
    }
    .resource-hero__eyebrow::after {
        width: 85px;
    }
    .resource-hero__overlay {
        display: none;
    }
    
    .resource-hero__overlay {
      background-image: url(https://learningchain.vn/wp-content/uploads/2025/11/PIC_image_tai_nguyen_tin_tucv.webp);
      aspect-ratio: 767/ 697;
    }
    .resource-hero__overlay_image_tablet {
      display: block;
      pointer-events: none;
      background-image: url(https://learningchain.vn/wp-content/uploads/2025/11/PIC_image_tai_nguyen_tin_tucv.webp);
      background-repeat: no-repeat;
      background-position: center;
      background-size: contain;
      width: 100vw;
      height: auto;
      aspect-ratio: 767/ 697;
    }
    
}
@media (max-width: 699px) {
    .resource-hero-icon-four-star {
       width: 55px;
    }
    
    .resource-hero__eyebrow {
        font-size: calc(36px * 0.6 + (100vw * 36 / 430) * 0.4);
    }
    
    .resource-hero__title {
        font-size: calc(76px * 0.6 + (100vw * 76 / 430) * 0.4);
    }

    .resource-hero__overlay_image_tablet {
        display: none;
    }
    .resource-hero__tabs_desktop {
        display: none;
    }
    
    .resource-hero__overlay {
        display: block;
        background-image: url(https://dev.learningchain.vn/wp-content/uploads/2025/11/PIC_tin-tuc_mobile.webp);
        aspect-ratio: 430/ 475;
    }
    
    .resource-hero__inner {
        padding-bottom: calc(120px * 0 + (100vw * 120 / 430) * 1.0);
        padding-top: calc(35px * 0 + (100vw * 35 / 430) * 1.0);
    }
    
    .resource-tab {
        gap: 5px;
    }
    .resource-hero {
        position: relative;
        margin-top: 85px;
        padding-bottom: calc(150px * 0 + (100vw * 150 / 430) * 1.0);
    }
    .resource-hero__title {
        font-weight: 700;
    }
}

@media (min-width: 1920px) {
  section {
      padding-left: 15%;
      padding-right: 15%;
  } 
}


@media (min-width: 1440px) and (max-width: 1919px) {
    section {
      padding-left: 10%;
      padding-right: 10%;
    } 
}

@media (min-width: 768px) and (max-width: 1439px) {
    section {
      padding-left: 7.5%;
      padding-right: 7.5%;
    } 
}

@media (max-width: 767px) {
    section {
      padding-left: 5%;
      padding-right: 5%;
    } 
}
@media (max-width: 390px) {
    section {
      padding-left: 3.5%;
      padding-right: 3.5%;
    } 
}

/* ========= CHI TIẾT TIN TỨC ========= */

.resource-news-detail {
  padding-bottom: 120px;
  color: #ffffff;
  z-index: 50;
  position: relative;
}

.resource-news-detail__inner {
  margin: 0 auto;
}

/* Breadcrumbs */

.resource-news-detail__breadcrumbs {
  font-size: 16px;
  font-weight: 300;
  color: #D3D2D2;
  margin-top: 24px;
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.resource-news-detail__breadcrumbs-icon {
  object-fit: contain;
  width: 20px;
  height: auto;
  aspect-ratio: 25/23;
  margin-top: -3px;
}
.resource-news-detail__breadcrumbs-link {
  color: rgba(255, 255, 255, 0.8);
}

.resource-news-detail__breadcrumbs-sep {
  opacity: 0.5;
}

/* Article card */

.resource-news-detail__article {
}

/* Title + meta */

.resource-news-detail__title {
  margin: 0 0 32px;
  font-size: calc(70px * 0.4 + (100vw * 70 / 1920) * 0.6);
  line-height: 1.1;
  font-weight: 700;
  color: #fff;
}

.resource-news-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  font-weight: 300;
  font-style: italic;
  font-size: 20px;
}

.resource-news-detail__meta-author {
  text-decoration: underline;
  font-size: 23.5px;
  margin-top: -4px;
  margin-right: 22px;
  color: #fff;
}

/* ===== AUTHOR CARD HOVER ===== */

.resource-news-detail__meta-wrapper {
  position: relative;
  margin-bottom: 40px; /* để chừa chỗ cho card bay lên trên image */
}

/* Card ẩn mặc định */
.resource-news-detail__author-card {
  position: absolute;
  left: 50%;
  /*top: 115%;*/
  transform: translateX(-50%);
  width: min(100%, 780px);
  border-radius: 16px;
  background: rgb(220, 220, 220, 0.09);
  box-shadow:
    0 18px 45px rgba(0, 0, 0, 0.75),
    0 0 0 2px rgba(255, 255, 255, 0.29);
  opacity: 0;
  transition: opacity 0.28s ease, transform 0.28s ease;
  z-index: 99;
  backdrop-filter: blur(7px);
}

/* Inner frame (viền sáng bên trong) */
.resource-news-detail__author-card-inner {
  border-radius: 22px;
  padding: calc(16px * 0.65 + (100vw * 16 / 1920) * 0.35) calc(24px * 0.65 + (100vw * 24 / 1920) * 0.35);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 2fr);
  gap: 28px;
  background: rgba(5, 5, 5, 0.55);
}

/* Ảnh bên trái */
.resource-news-detail__author-card-media {
  border-radius: 22px;
  overflow: hidden;
  background: radial-gradient(circle at top, #ffffff, #4b4b4b);
  display: flex;
  align-items: center;
  justify-content: center;
}

.resource-news-detail__author-card-avatar {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Info bên phải */
.resource-news-detail__author-card-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.resource-news-detail__author-card-info:after {
  content: "";
  background: url(https://learningchain.vn/wp-content/uploads/2025/11/LIGHT-EFFECT-AUTHOR-DETAIL-NEWS.webp) no-repeat center;
  position: absolute;
  width: 108%;
  height: auto;
  aspect-ratio: 584/61;
  bottom: -6%;
  left: -4%;
  background-size: contain;
}

.resource-news-detail__author-role {
  margin: 0 0 0px;
  font-size: 19.5px;
  font-weight: 400;
}

.resource-news-detail__author-name {
  margin: 0 0 0px;
  font-size: calc(50px * 0.6 + (100vw * 50 / 1920) * 0.4);
  font-weight: 700;
  text-transform: uppercase;
  color: #fff;
}

.resource-news-detail__author-desc {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.6;
  max-width: 480px;
}

/* Social icons – tạm thời dạng chữ, sau bạn thay icon SVG */
.resource-news-detail__author-socials {
  display: flex;
  gap: 12px;
  margin-bottom: 11px;
  margin-top: 15px;
}

.resource-news-detail__author-social {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Hiện card khi hover meta-wrapper hoặc focus vào link tác giả */
.resource-news-detail__meta-wrapper:hover .resource-news-detail__author-card,
.resource-news-detail__meta-wrapper:focus-within .resource-news-detail__author-card {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(-4px);
}

/* Responsive */

@media (max-width: 1023px) {
  .resource-news-detail__author-card {
    width: min(100%, 720px);
  }
  .resource-news-detail__author-socials {
      margin-top:0px;
  }  
  .resource-news-detail__author-card-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.8fr);
    padding: 20px 22px;
  }
}

@media (max-width: 699px) {
  .resource-news-detail__author-card-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }
  .resource-news-detail__author-card-info {
      padding-bottom: 30px;
  }
  .resource-news-detail__breadcrumbs {
    margin-top: 16px;
    margin-bottom: 16px;
  }
  h1.resource-news-detail__title {
    margin-bottom: 20px;  
  }
  .resource-news-detail__meta-wrapper {
      margin-bottom: 30px;
  }
}

/* Featured image */

.resource-news-detail__media {
  margin-bottom: 40px;
}

.resource-news-detail__media-frame {
  border-radius: 30px;
  overflow: hidden;
}

.resource-news-detail__featured-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 16/9;
}

/* Layout 2 cột */

.resource-news-detail__layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(150px, 1.15fr);
  gap: calc(75px * 0 + (100vw * 75 / 1920) * 1.0);
  align-items: flex-start;
}

/* Content styling */

.resource-news-detail__content {
  font-size: 20px;
  line-height: 1.5;
  color: #D3D2D2 !important;
  text-align: justify;
}

.resource-news-detail__content p {
  margin: 0 0 2px;
  color: #D3D2D2 !important;
  font-weight: 400;
}

.resource-news-detail__content strong {
  color: #D3D2D2 !important;
  font-weight: 700;
}

.resource-news-detail__content span {
  color: #D3D2D2 !important;
}

.resource-news-detail__content h2,
.resource-news-detail__content h3,
.resource-news-detail__content h4,
.resource-news-detail__content h5,
.resource-news-detail__content h6 {
  margin-top: 30px;
  margin-bottom: 14px;
  font-weight: 700;
  line-height: 1.3;
  color: #D3D2D2 !important;
  text-align: left;
}



.resource-news-detail__content h2 {
  font-size: calc(40px * 0.7 + (100vw * 40 / 1920) * 0.3);
}

.resource-news-detail__content h3 {
  font-size: calc(32px * 0.7 + (100vw * 32 / 1920) * 0.3);
}

.resource-news-detail__content h4 {
  font-size: calc(28px * 0.7 + (100vw * 28 / 1920) * 0.3);
}
.resource-news-detail__content h5 {
  font-size: calc(24px * 0.7 + (100vw * 24 / 1920) * 0.3);
}

.resource-news-detail__content ul,
.resource-news-detail__content ol {
  padding-left: 20px;
  margin: 0 0 18px;
  color: #D3D2D2 !important;
}

.resource-news-detail__content li {
  margin-bottom: 6px;
}

.resource-news-detail__content img {
    width: 100%;
    border-radius: 8px;
    height: auto;
    margin-top: 15px;
}
.resource-news-detail__content figure, .resource-news-detail__content .wp-caption  {
    width: 100% !important;
    padding: 0;
    margin: 0;
    max-width: 100%;
} 
/* TOC */

.resource-news-detail__toc {
  border-radius: 20px;
  background: rgb(26, 26, 26);
  padding: 15px 16px 6px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06);
  position: sticky;
  top: 40px;
  align-self: flex-start; 
}

.resource-news-detail__toc-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  color: #fff;
}

.resource-news-detail__toc-icon {
  font-size: 21px;
  line-height: 1;
}

.resource-news-detail__toc-title {
  white-space: nowrap;
}

.resource-news-detail__toc-body {
  max-height: 380px;
  overflow-y: auto;
  padding-right: 6px;
}

/* chỉ áp dụng trong box TOC – scrollbar mảnh */
.resource-news-detail__toc-body::-webkit-scrollbar {
  width: 4px;
}

.resource-news-detail__toc-body::-webkit-scrollbar-track {
  background: transparent;
}

.resource-news-detail__toc-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.4);
  border-radius: 99px;
}

.resource-news-detail__toc-list {
  list-style: none;
  margin: 0;
  padding: 22px 0 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  
}
.resource-news-detail__toc-item {
   position: relative;

}
.resource-news-detail__toc-item.active::before, .resource-news-detail__toc-item:hover::before {
   content: "";
   background: url(https://learningchain.vn/wp-content/uploads/2025/11/Light-effect_toc_heading.webp) no-repeat center;
   background-size: contain;
   width: 50px;
   height: auto;
   aspect-ratio: 65/99;
   position: absolute;
   top: -25px;
   left: -18px;
}
.resource-news-detail__toc-item {
  padding-left: 28px;
}

.resource-news-detail__toc-item a {
  display: block;
  font-size: 20px;
  color: #EBEAEB;
  overflow: hidden;
   display: -webkit-box;
   -webkit-line-clamp: 1;
   -webkit-box-orient: vertical;
}

/* ========= Responsive ========= */
@media (max-width: 1439px) {
  .resource-news-detail__layout {
    grid-template-columns: minmax(0, 1.8fr) minmax(0px, 1fr);
    gap: calc(38px * 0 + (100vw * 38 / 1439) * 1.0);
  }
  .resource-news-detail__meta-author {
    font-size: 20px;
    margin-top: 0;
  }
}

@media (max-width: 1023px) {
  .resource-news-detail__toc {
      display: none;
  }
  .resource-news-detail__layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .resource-news-detail__content {
    font-size: 18px;
  }

}

@media (max-width: 699px) {
   .resource-news-detail__title {
      font-size: calc(32px * 0.5 + (100vw * 32 / 430) * 0.5);
   }

  .resource-news-detail__media {
    margin-bottom: 28px;
  }
  
  .resource-news-detail__content {
    font-size: 14px;
  }
  .resource-news-detail__meta, .resource-news-detail__meta-author {
    font-size: 16px;  
  }
}