/* ============================================
   BLOG POST PAGE STYLES - Clean & Readable
   Subtle glass effects only on interactive elements
   ============================================ */

:root {
  --blog-text-primary: #ffffff;
  --blog-text-secondary: #b0b0b0;
  --blog-text-muted: #808080;
  --blog-bg-primary: #0c1321;
  --blog-bg-secondary: #111a2b;
  --blog-accent: rgba(85, 143, 255, 0.9);
  --blog-border: rgba(255, 255, 255, 0.1);
  --blog-hover-border: rgba(255, 255, 255, 0.2);
  --blog-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   MAIN BLOG POST CONTAINER
   ============================================ */

.blog-post-page {
  min-height: 100vh;
  background: var(--blog-bg-primary);
  color: var(--blog-text-primary);
}

/* ============================================
   READING PROGRESS BAR
   ============================================ */

.below-hero {
  padding-top: 18px;
}
.below-hero .logo a {
  display: flex;
  justify-content: center;
  align-items: center;
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.05);
  z-index: 1000;
}

.reading-progress__bar {
  height: 100%;
  background: var(--gradient-blue);
  width: 0%;
  transition: width 0.1s ease-out;
  box-shadow: 0 0 10px rgba(85, 143, 255, 0.5);
}

/* ============================================
   BREADCRUMBS - Simple & Clean
   ============================================ */

.breadcrumbs {
  padding: 0 0 1rem;
  margin-bottom: 1rem;
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumbs__item {
  display: flex;
  align-items: center;
  font-size: 0.9rem;
  color: var(--blog-text-muted);
}

.breadcrumbs__item a {
  color: var(--blog-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumbs__item a:hover {
  color: var(--blog-text-primary);
}

.breadcrumbs__item:not(:last-child)::after {
  content: '/';
  margin-left: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
}

.breadcrumbs__item[aria-current='page'] {
  color: var(--blog-text-secondary);
}

/* ============================================
   POST HEADER - Clean, No Heavy Cards
   ============================================ */

.post-header {
  margin-bottom: 3rem;
}

.post-header__container {
  margin: 0 auto;
  padding: 0 2rem;
}

/* Meta Tags Row - Inline Style */
.post-header__meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

/* Category Badge - Subtle Glass Effect (Keep this) */
.post-header__category {
  padding: 0.5rem 1.25rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;

  /* Subtle glass effect */
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--blog-border);

  /* Subtle gradient border */
  --border-angle: 135deg;
  transition: var(--blog-transition);
}

.post-header__category::before {
  content: '';
  inset: 0;
  border-radius: 20px;
  padding: 1px;
  background: linear-gradient(
    var(--border-angle, 135deg),
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 50%,
    rgba(255, 255, 255, 0.1) 100%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.post-header__category:hover {
  transform: translateY(-1px);
  border-color: var(--blog-hover-border);
}

.post-header__category:hover::before {
  opacity: 0.8;
}

/* Date and Reading Time - Simple Text */
.post-header__date,
.post-header__reading-time {
  font-size: 0.9rem;
  color: var(--blog-text-muted);
}

.post-header__date::after {
  content: '•';
  margin-left: 1.25rem;
  color: rgba(255, 255, 255, 0.3);
}

/* Title - Clean Gradient */
.post-header__title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 1.5rem;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.85) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Excerpt - Clean Text */
.post-header__excerpt {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--blog-text-secondary);
  margin-bottom: 2rem;
}

/* Share Buttons - Keep Glass Effect */
.post-header__share {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.post-header__share-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blog-text-muted);
  letter-spacing: 0.05em;
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--blog-border);
  color: var(--blog-text-secondary);
  cursor: pointer;
  transition: var(--blog-transition);
  text-decoration: none;
}

.share-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--blog-hover-border);
  color: var(--blog-text-primary);
  transform: translateY(-2px);
}

.share-btn:active {
  transform: translateY(0);
}

/* ============================================
   FEATURED IMAGE - Clean Container
   ============================================ */

.post-header__image-wrapper {
  margin: 3rem 0;
  border-radius: 12px;
  overflow: hidden;
}

.post-header__image {
  width: 100%;
  height: auto;
  display: block;
}

.post-header__image-caption {
  padding: 1rem;
  font-size: 0.9rem;
  color: var(--blog-text-muted);
  text-align: center;
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ============================================
   CONTENT GRID LAYOUT
   ============================================ */

.post-content-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 8rem 2rem 3rem;
  z-index: 1;
  background: var(--blog-bg-primary);
}

.post-content {
  padding-top: 7rem;
}

/* ============================================
   MAIN CONTENT - Clean Inline Style - Centered Single Column
   ============================================ */

.post-content {
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.8;
}

/* Typography - Clean and Readable */
.post-content p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--blog-text-secondary);
  margin-bottom: 1.5rem;
  white-space: pre-line;
  /* shorter blank lines */
  line-height: 1.5;
}

.post-content h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--blog-text-primary);
  margin: 3rem 0 1.5rem;
  line-height: 1.3;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.post-content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.post-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--blog-text-primary);
  margin: 2.5rem 0 1rem;
  line-height: 1.4;
}

.post-content h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--blog-text-primary);
  margin: 2rem 0 1rem;
}

.post-content a {
  color: var(--blog-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.post-content a:hover {
  color: rgba(66, 133, 244, 1);
}

.post-content ul,
.post-content ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
  color: var(--blog-text-secondary);
}

.post-content li {
  margin-bottom: 0.75rem;
  line-height: 1.8;
}

.post-content blockquote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  border-left: 4px solid rgba(66, 133, 244, 0.6);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 4px;
  font-style: italic;
  color: var(--blog-text-secondary);
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 2rem 0;
}

.post-content code {
  padding: 0.2rem 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.9em;
  color: rgba(66, 133, 244, 0.9);
}

.post-content pre {
  margin: 2rem 0;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 8px;
  overflow-x: auto;
  border: 1px solid var(--blog-border);
}

.post-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.post-content hr {
  margin: 3rem 0;
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   POST TAGS - Simple Inline Chips
   ============================================ */

.post-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 3rem 0;
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 900px;
}

.post-tags__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blog-text-muted);
  letter-spacing: 0.05em;
}

.post-tags__tag {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--blog-text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--blog-border);
  transition: var(--blog-transition);
}

.post-tags__tag:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--blog-hover-border);
  color: var(--blog-text-primary);
}

/* ============================================
   SIDEBAR - Minimal Cards
   ============================================ */

.post-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (max-width: 1199px) {
  .post-sidebar {
    margin-top: 3rem;
  }
}

/* Sidebar Card - Subtle Background */
.sidebar-card {
  padding: 2rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--blog-border);
}

.sidebar-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blog-text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

/* ============================================
   TABLE OF CONTENTS
   ============================================ */

.post-toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-toc__item {
  margin-bottom: 0.5rem;
}

.post-toc__link {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--blog-text-muted);
  text-decoration: none;
  transition: var(--blog-transition);
  border-left: 2px solid transparent;
}

.post-toc__link:hover {
  color: var(--blog-text-primary);
  background: rgba(255, 255, 255, 0.04);
  border-left-color: rgba(66, 133, 244, 0.6);
}

.post-toc__link.active {
  color: var(--blog-text-primary);
  background: rgba(255, 255, 255, 0.06);
  border-left-color: var(--blog-accent);
  font-weight: 600;
}

/* ============================================
   NEWSLETTER CTA - Glass Effect (Keep this)
   ============================================ */

.post-newsletter {
  margin: 4rem auto;
  max-width: 900px;
  padding: 0 2rem;
}

.post-newsletter__container,
.newsletter-card {
  padding: 3rem;
  border-radius: 24px;
  text-align: center;

  /* Glass morphism for CTA */
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

  /* Gradient border */
  --border-angle: 135deg;
  border: none;
}

/* Glass border for newsletter */
.post-newsletter__container::before,
.newsletter-card::before {
  content: '';
  inset: 0;
  border-radius: 24px;
  padding: 2px;
  background: linear-gradient(
    var(--border-angle, 135deg),
    rgba(66, 133, 244, 0.4) 0%,
    rgba(161, 66, 244, 0.2) 35%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(161, 66, 244, 0.2) 65%,
    rgba(66, 133, 244, 0.4) 100%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.post-newsletter__container:hover::before,
.newsletter-card:hover::before {
  opacity: 1;
}

.post-newsletter__title,
.newsletter-card__title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--blog-text-primary);
  margin-bottom: 1rem;
}

.post-newsletter__description,
.newsletter-card__description {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--blog-text-secondary);
  margin-bottom: 2rem;
}

.post-newsletter__form,
.newsletter-card__form {
  display: flex;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

.post-newsletter__input,
.newsletter-card__input {
  flex: 1;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--blog-border);
  color: var(--blog-text-primary);
  font-size: 1rem;
  transition: var(--blog-transition);
}

.post-newsletter__input:focus,
.newsletter-card__input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(66, 133, 244, 0.5);
}

.post-newsletter__input::placeholder,
.newsletter-card__input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.post-newsletter__submit,
.newsletter-card__submit {
  padding: 1rem 2rem;
  border-radius: 50px;
  background: rgba(66, 133, 244, 0.9);
  border: none;
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--blog-transition);
  white-space: nowrap;
}

.post-newsletter__submit:hover,
.newsletter-card__submit:hover {
  background: rgba(85, 143, 255, 1);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(85, 143, 255, 0.4);
}

.post-newsletter__submit:active,
.newsletter-card__submit:active {
  transform: translateY(0);
}

/* ============================================
   RELATED POSTS - Clean Cards
   ============================================ */

.post-related {
  margin: 4rem 0;
  max-width: 900px;
}

.post-related__title,
.related-posts__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--blog-text-primary);
  margin-bottom: 2rem;
}

.post-related__grid,
.related-posts__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .post-related__grid,
  .related-posts__grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

/* Related Post Card - Minimal Style */
.related-post {
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--blog-border);
  overflow: hidden;
  transition: var(--blog-transition);
}

.related-post:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--blog-hover-border);
  transform: translateY(-2px);
}

.related-post__image-link {
  overflow: hidden;
  height: 180px;
}

.related-post__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-post:hover .related-post__image {
  transform: scale(1.05);
}

.related-post__content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.related-post__category {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: inline-block;
  color: var(--blog-accent);
}

.related-post__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--blog-text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.related-post__title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.related-post__title a:hover {
  color: var(--blog-accent);
}

.related-post__excerpt {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--blog-text-muted);
  margin-bottom: 1rem;
  flex: 1;
}

.related-post__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--blog-text-muted);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .blog-post-page {
    padding: 6rem 0 3rem; /* Reduced top padding for mobile */
  }

  .learn-page.blog-post-page {
    padding-top: 6rem;
  }

  .post-header__container,
  .post-content-wrapper {
    padding: 2rem 1.5rem;
  }

  .post-content {
    max-width: 100%;
  }

  .post-content p {
    font-size: 1.05rem;
  }

  .post-newsletter__container,
  .newsletter-card {
    padding: 2rem 1.5rem;
  }

  .post-newsletter__form,
  .newsletter-card__form {
    flex-direction: column;
  }

  .breadcrumbs {
    padding: 1rem 0;
  }

  .sidebar-card {
    padding: 1.5rem;
  }

  .post-newsletter {
    padding: 0 1.5rem;
  }
}

/* Responsive styles for post hero images */
@media (max-width: 768px) {
  .learn-hero__image-wrapper {
    left: -1.5rem;
    right: -1.5rem;
    width: calc(100% + 3rem);
  }

  .post-hero__overlay {
    padding: 1.5rem;
  }

  .post-hero__meta-label {
    font-size: 0.75rem;
  }

  .post-hero__author-name,
  .post-hero__date,
  .post-hero__reading-time {
    font-size: 0.9rem;
  }

  .post-hero__share-btn {
    width: 40px;
    height: 40px;
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .learn-hero__image-wrapper {
    left: -1rem;
    right: -1rem;
    width: calc(100% + 2rem);
  }

  .post-content-wrapper {
    padding: 1.5rem 1rem;
  }

  .post-content {
    max-width: 100%;
  }

  .post-header__meta {
    gap: 0.75rem;
  }

  .post-hero__overlay {
    padding: 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .post-hero__share-right {
    align-self: flex-end;
    gap: 0.5rem;
  }

  .post-hero__meta-label {
    font-size: 0.7rem;
  }

  .post-hero__author-name,
  .post-hero__date,
  .post-hero__reading-time {
    font-size: 0.85rem;
  }

  .post-hero__share-btn {
    width: 36px;
    height: 36px;
    font-size: 0.85rem;
  }

  .post-header__category {
    font-size: 0.75rem;
    padding: 0.4rem 1rem;
  }

  .post-header__date,
  .post-header__reading-time {
    font-size: 0.85rem;
  }

  .post-content h2 {
    font-size: 1.5rem;
  }

  .post-content h3 {
    font-size: 1.25rem;
  }
}

/* ============================================
   POST HERO IMAGE STYLES (exclusive to post pages)
   ============================================ */

.blog-post-page .learn-hero__brand,
.blog-post-page .learn-hero__title,
.blog-post-page .learn-hero__subtitle {
  opacity: 1;
  transform: none;
  filter: none;
}

.learn-hero__title {
  margin-top: 4rem;
  font-size: 5rem;
  font-weight: 700;
  text-align: left;
  width: 100%;
}

.learn-hero__content {
  padding: 4rem 0 2rem;
  width: 100%;
  max-width: 900px;
}

/* Post hero overlay - positioned over image */
.post-hero__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 2rem;
  z-index: 5;
  pointer-events: none;
}

/* Left-aligned meta info */
.post-hero__meta-left {
  display: flex;
  flex-direction: row;
  gap: 2rem;
  pointer-events: auto;
}

.post-hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.post-hero__meta-label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
}

.post-hero__author-name,
.post-hero__date,
.post-hero__reading-time {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Right-aligned share buttons */
.post-hero__share-right {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  pointer-events: auto;
}

/* Glass share button - matching scroll indicator style */
.post-hero__share-btn {
  position: relative;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.1rem;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* CSS Variables for dynamic effects */
  --border-angle: 135deg;
  --border-opacity: 0.7;

  /* Apple glassmorphism foundation */
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(2px) saturate(200%);
  -webkit-backdrop-filter: blur(2px) saturate(200%);

  /* Remove solid border for gradient border */
  border: none;

  /* Softer shadows for authentic glass look */
  box-shadow:
    0 8px 32px 0 rgba(0, 0, 0, 0.12),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.2),
    inset 0 -1px 0 0 rgba(255, 255, 255, 0.06);

  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Apple's signature gradient border refraction effect */
.post-hero__share-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  padding: 1px;
  background: linear-gradient(
    var(--border-angle, 135deg),
    rgba(255, 255, 255, 0.25) 0%,
    rgba(255, 255, 255, 0.08) 25%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.08) 75%,
    rgba(255, 255, 255, 0.25) 100%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  opacity: var(--border-opacity, 0.7);
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Subtle gradient overlay for glass refraction */
.post-hero__share-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 50%;
  border-radius: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  opacity: 1;
  pointer-events: none;
  z-index: 1;
}

.post-hero__share-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  --border-opacity: 1;
  box-shadow:
    0 12px 40px 0 rgba(0, 0, 0, 0.18),
    0 2px 8px 0 rgba(255, 255, 255, 0.08),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.25),
    inset 0 -1px 0 0 rgba(255, 255, 255, 0.08);
}

.post-hero__share-btn:active {
  transform: scale(0.95);
  transition-duration: 0.1s;
}

/* Image wrapper - similar to video wrapper */
/* Position relative to hero section, filling the entire hero frame */
/* Since it's inside container, need to break out of container padding */
.learn-hero__image-wrapper {
  position: absolute;
  /* Position relative to hero section, compensating for container padding */
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  overflow: visible; /* Allow blur layer to extend beyond bounds */
  z-index: 1;
}

/* Dark overlay for text readability */
.learn-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.2) 50%,
    rgba(0, 0, 0, 0.8) 100%
  );
  z-index: 1;
  pointer-events: none;
  border-radius: 36px;
  margin: -1px;
}

.learn-hero {
  max-height: 500px;
  max-width: 920px;
  margin: 0 auto;
}

/* Base image styles */
.learn-hero__image {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1; /* Images show immediately unlike videos */
}

/* Glow layer - blurred 40px and expanded - positioned behind main image */
.learn-hero__image--glow {
  z-index: 2;
  transform: translate(-50%, -50%); /* Expand more to show blur properly */
  filter: blur(20px) brightness(1.4) saturate(1.1);
  -webkit-filter: blur(20px) brightness(1.4) saturate(1.4);
  -moz-filter: blur(20px) brightness(1.4) saturate(1.4);
  -ms-filter: blur(20px) brightness(1.4) saturate(1.4);
  -o-filter: blur(20px) brightness(1.4) saturate(1.4);
  opacity: 0.6; /* Visible with subtle glow effect */
  border-radius: 0px;
  object-fit: cover;
}

/* Main image layer - sharp and contained - positioned on top */
.learn-hero__image--main {
  z-index: 3;
  border-radius: 36px;
  overflow: hidden;
  clip-path: inset(
    0 round 24px
  ); /* Ensure image stays within rounded corners */
  opacity: 1;
  /* Main image should be 100% size, not oversized like blur */
  width: 100%;
  height: 100%;
}

/* Show border for image hero */
.learn-hero.image-loaded::before {
  opacity: var(--border-opacity, 0.6);
}

.learn-hero.image-loaded:hover::before {
  --border-opacity: 0.9;
}

.learn-hero__excerpt {
  text-align: left;
  max-width: 900px;
  color: var(--blog-text-secondary);
  font-size: 1.125rem;
  white-space: pre-line;
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .reading-progress,
  .breadcrumbs,
  .post-header__share,
  .post-newsletter,
  .newsletter-card,
  .post-related,
  .related-posts {
    display: none;
  }

  .post-content-wrapper,
  .post-content {
    padding: 0;
  }

  .post-content a {
    color: #000;
    text-decoration: underline;
  }

  .post-header__title {
    -webkit-text-fill-color: #000;
    color: #000;
  }
}