:root {
  --primary: rgb(39, 141, 196);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* =========================================
   Banner Section
========================================= */

.blog-banner-main {
  position: relative;
  background-color: #f5f8fc;
  background-image: url("../images/blog-banner.png");
  background-size: cover;
  background-position: right center;
  background-repeat: no-repeat;
  padding: 85px 0 92px;
  overflow: hidden;
}

.blog-banner-content {
  max-width: 620px;
  position: relative;
  z-index: 2;
}

.blog-banner-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 14.5px;
  line-height: 1.4;
}

.blog-banner-breadcrumb a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.blog-banner-breadcrumb a:hover {
  text-decoration: underline;
}

.blog-banner-separator {
  color: #94a3b8;
  font-weight: 400;
}

.blog-banner-current {
  color: #475467;
  font-weight: 500;
}

.blog-banner-main h1 {
  margin: 0 0 16px;
  color: #0f172a;
  font-size: 48px;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.9px;
}

.blog-banner-main p {
  margin: 0;
  color: #475467;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.55;
  max-width: 580px;
}

/* =========================================
   Blog Main & Header
========================================= */

.blog-main {
  padding: 35px 0 70px;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.blog-main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}

.blog-main-header-search {
  position: relative;
  display: flex;
  align-items: center;
  flex: 0 1 290px;
  min-width: 250px;
  width: 420px;
}

.blog-main-header-search i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
  font-size: 14px;
  pointer-events: none;
  z-index: 2;
}

.blog-main-header-search input {
  width: 100%;
  height: 42px;
  padding: 8px 14px 8px 38px;
  box-sizing: border-box;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  background-color: #ffffff;
  color: #0f172a;
  outline: none;
  font-size: 14px;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.blog-main-header-search input::placeholder {
  color: #94a3b8;
}

.blog-main-header-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.12);
}

.blog-main-header-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

button.filter-btn {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 8px 18px;
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  color: #334155;
  cursor: pointer;
  outline: none;
  white-space: nowrap;
  transition: all 0.2s ease;
}

button.filter-btn:hover {
  background-color: #f8fafc;
  border-color: #cbd5e1;
  color: #0f172a;
}

button.filter-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  font-weight: 600;
}

/* =========================================
   Featured Blog Article
========================================= */

.featured-blog {
  margin-bottom: 50px;
}

.featured-blog-card {
  display: flex;
  align-items: center;
  gap: 44px;
  width: 100%;
  padding: 0;
  box-sizing: border-box;
  background-color: #ffffff;
}

.featured-blog-card__media {
  flex: 0 0 53.5%;
  min-width: 0;
  aspect-ratio: 1.55 / 1;
  overflow: hidden;
  border-radius: 14px;
  background-color: #f1f4f9;
}

.featured-blog-card__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: inherit;
  transition: transform 0.4s ease;
}

.featured-blog-card__content {
  flex: 1;
  min-width: 0;
}

.featured-blog-card__category {
  display: inline-block;
  padding: 4px 10px;
  margin-bottom: 14px;
  color: var(--primary);
  background-color: #eaf2ff;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.featured-blog-card__title {
  margin: 0 0 14px;
  color: #0f172a;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.4px;
}

.featured-blog-card__title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
  display: block;
}
.featured-blog-card__title a:hover {
  color: var(--primary);
  text-decoration: none;
}

.featured-blog-card__description {
  margin: 0 0 24px;
  color: #364962;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.55;
}

.featured-blog-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: #364962;
  font-size: 14px;
  line-height: 1.4;
}

.featured-blog-card__avatar {
  display: block;
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.featured-blog-card__author {
  color: #364962;
}

.featured-blog-card__author strong {
  color: #0f172a;
  font-weight: 700;
}

.featured-blog-card__separator {
  color: #cbd5e1;
  font-size: 13px;
  margin: 0 2px;
}

/* =========================================
   Blog Posts Grid Section
========================================= */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 32px;
  row-gap: 48px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background-color: transparent;
  height: 100%;
}

.blog-card__media {
  position: relative;
  width: 100%;
  aspect-ratio: 1.55 / 1;
  overflow: hidden;
  border-radius: 12px;
  background-color: #f1f4f9;
  margin-bottom: 16px;
}

.blog-card__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: inherit;
  transition: transform 0.35s ease;
}

.featured-blog-card:hover .blog-card__image,
.blog-card:hover .blog-card__image {
  transform: scale(1.04);
}

.blog-card__content {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card__category {
  align-self: flex-start;
  display: inline-block;
  padding: 3px 8px;
  margin-bottom: 11px;
  color: var(--primary);
  background-color: #eaf2ff;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.blog-card__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.2px;
}

.blog-card__title a {
  color: #0f172a;
  text-decoration: none;
  transition: color 0.2s ease;
  display: block;
}

.blog-card__title a:hover {
  color: var(--primary);
  text-decoration: none;
}

.blog-card__description {
  margin: 0 0 16px;
  color: #364962;
  font-size: 14.5px;
  font-weight: 400;
  line-height: 1.55;
  flex-grow: 1;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #8893a7;
  font-size: 13px;
  line-height: 1.4;
}

.blog-card__separator {
  color: #cbd5e1;
  font-size: 12px;
}

/* =========================================
   Blog Pagination
========================================= */

.blog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 52px;
}

.blog-pagination__list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.blog-pagination__item {
  margin: 0;
  padding: 0;
}

.blog-pagination__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 10px;
  box-sizing: border-box;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  background-color: #ffffff;
  color: #334155;
  font-size: 14.5px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.blog-pagination__link:hover:not(.active):not(.blog-pagination__link--dots) {
  background-color: #f8fafc;
  border-color: #cbd5e1;
  color: #0f172a;
  text-decoration: none;
}

.blog-pagination__link.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
  cursor: default;
}

.blog-pagination__link--dots {
  cursor: default;
  color: #364962;
  border-color: #e2e8f0;
}

.blog-pagination__link--next {
  color: #334155;
}

.blog-pagination__link--next:hover {
  color: var(--primary);
  border-color: #cbd5e1;
}

/* =========================================
  Blog detail
========================================= */

section.blog-detail-banner {
  padding: 30px 0;
}
.blog-detail-banner-content p {
  margin: 0 0 15px;
  color: #475467;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.55;
  max-width: 580px;
}
.blog-detail-banner-content h1 {
  margin: 0 0 16px;
  color: #0f172a;
  font-size: 40px;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.9px;
}
.blog-detail-share {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
.blog-detail-share-icons {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}
.blog-detail-share-icons a {
  background-color: #efefef;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  place-items: center;
  place-content: center;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}
.blog-detail-share-icons a:hover {
  color: #fff;
  background-color: var(--primary);
}
.blog-detail-main {
  padding: 0px 0 50px;
}
.blog-detail-content {
  margin-top: 20px;
}
.blog-detail-content h1,
.blog-detail-content h2,
.blog-detail-content h3,
.blog-detail-content h4,
.blog-detail-content h5,
.blog-detail-content h6 {
  margin: 0 0 15px;
  font-weight: 700;
  line-height: 1.4;
}
.blog-detail-content h1 {
  font-size: 32px;
}
.blog-detail-content h2 {
  font-size: 28px;
}
.blog-detail-content h3 {
  font-size: 24px;
}
.blog-detail-content h4 {
  font-size: 20px;
}
.blog-detail-content h5 {
  font-size: 18px;
}
.blog-detail-content h6 {
  font-size: 16px;
}
.blog-detail-content p {
  color: #364962;
  margin: 0 0 20px;
}
.blog-detail-content ul,
.blog-detail-content ol {
  padding-left: 20px;
  margin: 0 0 20px;
}
.blog-detail-content ul li,
.blog-detail-content ol li {
  margin: 0 0 10px;
  color: #364962;
  font-size: 18px;
  line-height: 1.45;
}
.blog-detail-content a {
  color: var(--primary);
  text-decoration: none;
}
.on_this_page {
  position: sticky;
  top: 20px;
}
.on_this_page a {
  color: #475467;
  font-size: 16px;
}
.on_this_page ul {
  list-style: none;
  padding-left: 0;
}
.on_this_page ul li {
  padding: 0 0 7px 8px;
  margin: 0;
  line-height: 1.2;
  border-left: 3px solid #f5f5f5;
}
.on_this_page ul li.active {
  border-left-color: var(--primary);
}
.on_this_page ul li a:hover {
  color: var(--primary);
}
.on_this_page ul li.active a {
  color: var(--primary);
  font-weight: 600;
}
.blog-detail-footer {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #e2e8f0;
}
.blog-footer-breadcrumb {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}
.blog-footer-breadcrumb a {
  display: flex;
  gap: 5px;
  align-items: center;
  color: var(--primary);
  text-decoration: none;
  font-weight: 800;
}
.mb-0 {
  margin-bottom: 0 !important;
}
.mt-0 {
  margin-top: 0 !important;
}

/* =========================================
   Fully Responsive Layout Breakpoints
========================================= */

@media screen and (max-width: 1199px) {
  .featured-blog-card__title {
    font-size: 28px;
  }
}
@media screen and (max-width: 1024px) {
  .blog-banner-main {
    padding: 70px 0 78px;
  }

  .blog-banner-main h1 {
    font-size: 40px;
  }

  .featured-blog-card {
    gap: 30px;
  }

  .featured-blog-card__title {
    font-size: 28px;
  }

  .featured-blog-card__description {
    font-size: 15.5px;
    margin-bottom: 20px;
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 26px;
    row-gap: 40px;
  }
}

@media screen and (max-width: 992px) {
  .on_this_page {
    position: relative;
    top: 0;
  }
  .blog-banner-main {
    padding: 60px 0 68px;
    background-image:
      linear-gradient(
        to right,
        rgba(245, 248, 252, 0.96) 0%,
        rgba(245, 248, 252, 0.9) 58%,
        rgba(245, 248, 252, 0.4) 100%
      ),
      url("../images/blog-banner.png");
  }

  .blog-banner-main h1 {
    font-size: 34px;
    letter-spacing: -0.6px;
  }

  .blog-banner-main p {
    font-size: 16px;
  }

  .blog-main-header {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .blog-main-header-search {
    flex: 1 1 100%;
    max-width: 100%;
  }

  .blog-main-header-filter {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 6px;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .featured-blog-card {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .featured-blog-card__media {
    flex: 0 0 auto;
    width: 100%;
    aspect-ratio: 1.6 / 1;
  }

  .featured-blog-card__title {
    font-size: 26px;
  }
  .blog-detail-banner-content h1 {
    font-size: 32px;
  }
  .blog-detail-share {
    text-align: left;
    align-items: center;
    margin-top: 10px;
    gap: 6px;
    flex-direction: row;
  }
  .blog-detail-banner-content p {
    margin: 0 0 6px;
  }
}

@media screen and (max-width: 640px) {
  .blog-banner-main {
    padding: 45px 0 50px;
    background-image:
      linear-gradient(rgba(245, 248, 252, 0.9), rgba(245, 248, 252, 0.9)),
      url("../banner.png");
  }

  .blog-banner-breadcrumb {
    margin-bottom: 16px;
    font-size: 13.5px;
  }

  .blog-banner-main h1 {
    font-size: 28px;
    letter-spacing: -0.5px;
    line-height: 1.22;
    margin-bottom: 12px;
  }

  .blog-banner-main p {
    font-size: 15px;
    line-height: 1.5;
  }

  .blog-main {
    padding: 24px 0 50px;
  }

  .blog-main-header-filter button.filter-btn {
    padding: 7px 14px;
    font-size: 12px;
  }

  .featured-blog {
    margin-bottom: 36px;
  }

  .featured-blog-card__title {
    font-size: 18px;
    line-height: 1.25;
    font-weight: 700;
  }

  .featured-blog-card__description {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 18px;
  }

  .featured-blog-card__meta {
    font-size: 13px;
    gap: 8px;
  }

  .featured-blog-card__avatar {
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    row-gap: 34px;
  }

  .blog-card__title {
    font-size: 18px;
  }

  .blog-card__description {
    font-size: 14px;
  }

  .blog-pagination {
    margin-top: 36px;
  }

  .blog-pagination__list {
    gap: 6px;
  }

  .blog-pagination__link {
    min-width: 38px;
    height: 38px;
    font-size: 13.5px;
    border-radius: 6px;
    padding: 0 6px;
  }
  .blog-detail-content p,
  .blog-detail-content ul li,
  .blog-detail-content ol li,
  .blog-detail-banner-content p {
    font-size: 16px;
    line-height: 1.4;
  }
  .blog-detail-banner-content h1 {
    font-size: 24px;
  }

  .blog-detail-content h1 {
    font-size: 28px;
  }
  .blog-detail-content h2 {
    font-size: 24px;
  }
  .blog-detail-content h3 {
    font-size: 20px;
  }
  .blog-detail-content h4 {
    font-size: 18px;
  }
  .blog-detail-content h5 {
    font-size: 16px;
  }
  .blog-detail-content h6 {
    font-size: 14px;
  }

  .blog-footer-breadcrumb a {
    font-size: 12px;
  }
}