/* ==========================================================================
   AI Blog — style.css
   Cards, listing page, post detail page.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Blog Card (shared: home widget + listing page)
   -------------------------------------------------------------------------- */

.aiblog-card {
  background: var(--brand-white, #fff);
  border-radius: 16px;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--brand-border, #E2E6EC);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
  /* Needed for the full-card click overlay */
  position: relative;
  cursor: pointer;
}

.aiblog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(26, 46, 68, 0.10);
}

/* Full-card clickable overlay — stretches the title <a> to cover the whole card */
.aiblog-card__title a::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* Keep category badge, read-more and image link above the overlay */
.aiblog-card__cat,
.aiblog-card__read-more,
.aiblog-card__img-wrap {
  position: relative;
  z-index: 2;
}

/* Image wrapper */
.aiblog-card__img-wrap {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.aiblog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.aiblog-card:hover .aiblog-card__img {
  transform: scale(1.04);
}

/* Card body */
.aiblog-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

/* Category badge */
.aiblog-card__cat {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-accent, #3D8BCD);
  background: rgba(61, 139, 205, 0.08);
  padding: 3px 10px;
  border-radius: 999px;
  text-decoration: none;
}

.aiblog-card__cat:hover {
  background: rgba(61, 139, 205, 0.16);
  color: var(--brand-accent, #3D8BCD);
}

/* Title */
.aiblog-card__title {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0;
}

.aiblog-card__title a {
  color: var(--brand-primary, #1A2E44);
  text-decoration: none;
  transition: color 0.22s ease;
}

.aiblog-card__title a:hover {
  color: var(--brand-accent, #3D8BCD);
}

/* Excerpt */
.aiblog-card__excerpt {
  font-size: 0.875rem;
  color: var(--brand-ink-muted, #6B7A8D);
  line-height: 1.65;
  flex: 1;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Footer */
.aiblog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--brand-border, #E2E6EC);
  gap: 0.5rem;
  margin-top: auto;
}

.aiblog-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.aiblog-card__date {
  font-size: 0.75rem;
  color: var(--brand-ink-muted, #6B7A8D);
}

.aiblog-card__author {
  font-size: 0.7rem;
  color: var(--brand-ink-muted, #6B7A8D);
  font-style: italic;
}

.aiblog-card__read-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand-accent, #3D8BCD);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: gap 0.2s ease;
}

.aiblog-card__read-more:hover {
  color: var(--brand-accent, #3D8BCD);
  gap: 8px;
}

/* --------------------------------------------------------------------------
   Blog Listing Page
   -------------------------------------------------------------------------- */

.aiblog-list-page {
  padding: 3rem 0 5rem;
}

.aiblog-page-header {
  text-align: center;
}

.aiblog-page-header__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--brand-primary, #1A2E44);
  margin-bottom: 0.75rem;
}

.aiblog-page-header__desc {
  font-size: 1.05rem;
  color: var(--brand-ink-muted, #6B7A8D);
  max-width: 560px;
  margin: 0 auto;
}

/* Category filter */
.aiblog-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.aiblog-cats__item {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand-ink-muted, #6B7A8D);
  background: var(--brand-bg-alt, #F4F6F9);
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.22s ease;
  cursor: pointer;
  user-select: none;
}

/* Grid loading state */
[data-aiblog-cards] {
  transition: opacity 0.18s ease;
}

.aiblog-cats__item:hover,
.aiblog-cats__item--active {
  color: var(--brand-accent, #3D8BCD);
  background: rgba(61, 139, 205, 0.08);
  border-color: var(--brand-accent, #3D8BCD);
}

/* Pagination */
.aiblog-pagination .page-link {
  color: var(--brand-accent, #3D8BCD);
  border-color: var(--brand-border, #E2E6EC);
}

.aiblog-pagination .page-item.active .page-link {
  background-color: var(--brand-accent, #3D8BCD);
  border-color: var(--brand-accent, #3D8BCD);
  color: #fff;
}

.aiblog-pagination .page-link:hover {
  background-color: rgba(61, 139, 205, 0.08);
  color: var(--brand-accent, #3D8BCD);
}

/* --------------------------------------------------------------------------
   Blog Post Detail — Hero
   -------------------------------------------------------------------------- */

.aiblog-post-page {
  padding-bottom: 0;
}

/* Hero with background image */
.aiblog-post-hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--brand-primary, #1A2E44);
}

.aiblog-post-hero--no-img {
  min-height: 280px;
  background: var(--brand-primary, #1A2E44);
}

.aiblog-post-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  transition: transform 8s ease;
}

.aiblog-post-hero:hover .aiblog-post-hero__bg {
  transform: scale(1.0);
}

/* Dark gradient overlay */
.aiblog-post-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 18, 32, 0.15) 0%,
    rgba(10, 18, 32, 0.55) 50%,
    rgba(10, 18, 32, 0.85) 100%
  );
}

.aiblog-post-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: 2.5rem;
  padding-bottom: 3rem;
}

/* Back link */
.aiblog-post-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  transition: color 0.2s ease;
}

.aiblog-post-hero__back:hover {
  color: #fff;
}

/* Category badge (white on hero) */
.aiblog-post-hero__cat {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 4px 12px;
  border-radius: 999px;
  text-decoration: none;
  margin-bottom: 1rem;
  transition: background 0.2s ease;
}

.aiblog-post-hero__cat:hover {
  background: rgba(255, 255, 255, 0.28);
  color: #fff;
}

/* Title on hero */
.aiblog-post-hero__title {
  font-size: clamp(1.75rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  margin: 0 0 1.25rem;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
  max-width: 720px;
}

/* Meta on hero */
.aiblog-post-hero__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
}

.aiblog-post-hero__sep {
  color: rgba(255, 255, 255, 0.4);
}

/* --------------------------------------------------------------------------
   Blog Post Detail — Article Body
   -------------------------------------------------------------------------- */

.aiblog-post {
  padding: 3.5rem 0 1rem;
}

/* Lead paragraph */
.aiblog-post__lead {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--brand-primary, #1A2E44);
  font-weight: 500;
  border-left: 3px solid var(--brand-accent, #3D8BCD);
  padding-left: 1.25rem;
  margin-bottom: 2.5rem;
}

/* Article body typography */
.aiblog-post__content {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--brand-ink, #2D3A4A);
}

.aiblog-post__content h2,
.aiblog-post__content h3,
.aiblog-post__content h4 {
  font-weight: 700;
  color: var(--brand-primary, #1A2E44);
  margin-top: 2.5rem;
  margin-bottom: 0.875rem;
}

.aiblog-post__content h2 { font-size: 1.5rem; }
.aiblog-post__content h3 { font-size: 1.2rem; }

.aiblog-post__content p { margin-bottom: 1.4rem; }

.aiblog-post__content ul,
.aiblog-post__content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.4rem;
}

.aiblog-post__content li { margin-bottom: 0.5rem; }

.aiblog-post__content a {
  color: var(--brand-accent, #3D8BCD);
  text-decoration: underline;
}

.aiblog-post__content img {
  max-width: 100%;
  border-radius: 12px;
  margin: 1.75rem 0;
}

.aiblog-post__content blockquote {
  border-left: 4px solid var(--brand-accent, #3D8BCD);
  background: var(--brand-bg-alt, #F4F6F9);
  padding: 1.25rem 1.5rem;
  border-radius: 0 10px 10px 0;
  font-style: italic;
  margin: 2rem 0;
}

.aiblog-post__content strong {
  font-weight: 700;
  color: var(--brand-primary, #1A2E44);
}

/* Prev / Next navigation */
.aiblog-post__nav {
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--brand-border, #E2E6EC);
}

.aiblog-post__nav-inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.aiblog-post__nav-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 48%;
  text-decoration: none;
}

.aiblog-post__nav-link--next {
  text-align: right;
  margin-left: auto;
}

.aiblog-post__nav-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-ink-muted, #6B7A8D);
}

.aiblog-post__nav-link--next .aiblog-post__nav-label {
  justify-content: flex-end;
}

.aiblog-post__nav-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--brand-primary, #1A2E44);
  transition: color 0.2s ease;
  line-height: 1.3;
}

.aiblog-post__nav-link:hover .aiblog-post__nav-title {
  color: var(--brand-accent, #3D8BCD);
}

/* --------------------------------------------------------------------------
   Related Posts Section
   -------------------------------------------------------------------------- */

.aiblog-related {
  background: var(--brand-bg-alt, #F4F6F9);
  padding: 5rem 0;
  margin-top: 4rem;
}

.aiblog-related__header {
  margin-bottom: 2.5rem;
}

.aiblog-related__title {
  font-size: clamp(1.4rem, 3vw, 1.875rem);
  font-weight: 800;
  color: var(--brand-primary, #1A2E44);
  margin: 0.25rem 0 0;
}

/* --------------------------------------------------------------------------
   Responsive tweaks
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
  .aiblog-post-hero {
    min-height: 360px;
  }

  .aiblog-post-hero__title {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .aiblog-post__nav-inner {
    flex-direction: column;
  }

  .aiblog-post__nav-link {
    max-width: 100%;
  }

  .aiblog-post__nav-link--next {
    text-align: left;
    margin-left: 0;
  }

  .aiblog-post__nav-link--next .aiblog-post__nav-label {
    justify-content: flex-start;
  }

  .aiblog-related {
    padding: 3rem 0;
  }
}

/* Override: hide the default Hummingbird page-header block on the post page */
body#module-aiblog-post .page-header {
  display: none !important;
}