/* ============================================================
   magazine.css — Magazine Index + Article Pages
   Converted from Tailwind reference HTML to vanilla CSS.
   All values via CSS variables from tokens.css.
   No inline styles, no magic numbers, no !important.
   ============================================================ */


/* ============================================================
   SHARED — Page Shell
   ============================================================ */

.magazine-page {
  padding-top: var(--space-32);
  padding-bottom: var(--space-20);
}


/* ============================================================
   1. PAGE HEADER
   ============================================================ */

.magazine-header {
  padding-inline: var(--space-12);
  padding-block-end: var(--space-20);
  max-width: var(--max-width);
  margin-inline: auto;
}

@media (min-width: 1024px) {
  .magazine-header {
    padding-inline: var(--space-24);
  }
}

.magazine-header__heading {
  font-family: var(--font-headline);
  font-weight: var(--weight-bold);
  font-size: var(--text-5xl);
  letter-spacing: var(--tracking-tighter);
  line-height: var(--leading-tight);
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .magazine-header__heading {
    font-size: var(--text-7xl);
  }
}

@media (min-width: 1024px) {
  .magazine-header__heading {
    font-size: var(--text-8xl);
  }
}

.magazine-header__accent {
  width: 6rem;
  height: 0.25rem;
  background-color: var(--color-secondary);
  margin-bottom: var(--space-8);
}

.magazine-header__lead {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-on-surface-variant);
  max-width: 42rem;
}

@media (min-width: 768px) {
  .magazine-header__lead {
    font-size: var(--text-xl);
  }
}


/* ============================================================
   2. MAGAZINE GRID — 12-column layout
   ============================================================ */

.magazine-grid {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-12);
}

@media (min-width: 768px) {
  .magazine-grid {
    padding-inline: var(--space-12);
  }
}

@media (min-width: 1024px) {
  .magazine-grid {
    padding-inline: var(--space-24);
  }
}

.magazine-grid__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media (min-width: 1024px) {
  .magazine-grid__inner {
    grid-template-columns: repeat(12, 1fr);
    gap: 4rem;
  }
}

/* Left column — 8 cols */
.magazine-grid__main {
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
}

@media (min-width: 1024px) {
  .magazine-grid__main {
    grid-column: span 8;
  }
}

/* Right sidebar — 4 cols */
.magazine-grid__sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

@media (min-width: 1024px) {
  .magazine-grid__sidebar {
    grid-column: span 4;
  }
}


/* ============================================================
   3. HERO ARTICLE
   ============================================================ */

.article-hero {
  position: relative;
}

/* 21:9 aspect-ratio image wrapper */
.article-hero__media {
  position: relative;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  margin-bottom: var(--space-8);
  background-color: var(--color-surface-container);
}

.article-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform var(--transition-slower);
}

.article-hero:hover .article-hero__image {
  transform: scale(1.05);
}

.article-hero__media-badge {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  background-color: var(--color-secondary);
  color: var(--color-on-secondary);
  padding: 0.25rem 1rem;
  font-family: var(--font-headline);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.article-hero__body {
  max-width: 48rem;
}

.article-hero__category {
  display: block;
  font-family: var(--font-headline);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-4);
}

.article-hero__title {
  font-family: var(--font-headline);
  font-weight: var(--weight-bold);
  font-size: var(--text-3xl);
  color: var(--color-on-background);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
  transition: color var(--transition-base);
}

@media (min-width: 768px) {
  .article-hero__title {
    font-size: var(--text-5xl);
  }
}

.article-hero:hover .article-hero__title {
  color: var(--color-primary);
}

.article-hero__title-link {
  color: inherit;
  text-decoration: none;
}

.article-hero__excerpt {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-on-surface-variant);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

/* Author row */
.article-hero__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.article-hero__author-avatar {
  width: 3rem;
  height: 3rem;
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-primary);
  flex-shrink: 0;
  overflow: hidden;
  object-fit: cover;
}

.article-hero__author-avatar .material-symbols-outlined {
  font-size: 1.5rem;
}

.article-hero__author-name {
  display: block;
  font-family: var(--font-headline);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-on-background);
}

.article-hero__author-role {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: var(--tracking-tighter);
}


/* ============================================================
   4. SECONDARY ARTICLE CARDS — 2-column mini-grid
   ============================================================ */

.article-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 768px) {
  .article-cards {
    grid-template-columns: 1fr 1fr;
  }
}

.article-card {
  display: flex;
  flex-direction: column;
}

.article-card__media {
  aspect-ratio: 16 / 9;
  background-color: var(--color-surface-container-low);
  margin-bottom: var(--space-6);
  position: relative;
  overflow: hidden;
}

.article-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform var(--transition-slow);
}

.article-card:hover .article-card__image {
  transform: scale(1.03);
}

.article-card__title {
  font-family: var(--font-headline);
  font-weight: var(--weight-bold);
  font-size: var(--text-xl);
  color: var(--color-on-background);
  margin-bottom: var(--space-4);
  line-height: var(--leading-snug);
}

.article-card__excerpt {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-on-surface-variant);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  flex: 1;
}

.article-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-headline);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  text-decoration: none;
  transition: color var(--transition-base);
  margin-top: auto;
}

.article-card__link .material-symbols-outlined {
  font-size: var(--text-sm);
  transition: transform var(--transition-base);
}

.article-card__link:hover .material-symbols-outlined {
  transform: translateX(4px);
}


/* ============================================================
   5. EXPERT QUOTE BLOCK (index + article shared)
   ============================================================ */

.quote-block {
  background-color: var(--color-surface-container-lowest);
  padding: var(--space-12);
  border-left: var(--border-width-4) solid var(--color-primary);
}

.quote-block__icon {
  display: block;
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* When icon is secondary color (article page) */
.quote-block__icon[data-color="secondary"] {
  color: var(--color-secondary);
}

.quote-block__text {
  font-family: var(--font-headline);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-on-background);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  font-style: normal;
}

/* Article page: primary colored quote text */
.quote-block[data-variant="article"] .quote-block__text {
  color: var(--color-primary);
  line-height: var(--leading-snug);
}

.quote-block__author {
  font-style: normal;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.quote-block__author-name {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  font-style: normal;
}

/* Cite variant for article page */
.quote-block__author-cite {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-outline);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  font-style: normal;
  margin-top: var(--space-6);
}


/* ============================================================
   6. SIDEBAR — Popular Articles
   ============================================================ */

.sidebar-section {
  /* Generic container for sidebar subsections */
}

.sidebar-section__heading {
  font-family: var(--font-headline);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-8);
}

.sidebar-popular {
  background-color: rgba(246, 243, 240, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: var(--space-8);
  border-top: var(--border-width-2) solid var(--color-primary);
}

.sidebar-popular__heading {
  color: var(--color-secondary);
}

.popular-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.popular-list__item {
  /* No extra styles needed */
}

.popular-list__number {
  display: block;
  font-family: var(--font-headline);
  font-size: 0.625rem;
  font-weight: var(--weight-bold);
  color: rgba(41, 93, 85, 0.4);
  margin-bottom: 0.25rem;
}

.popular-list__link {
  display: block;
  font-family: var(--font-headline);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-on-background);
  text-decoration: none;
  line-height: var(--leading-snug);
  transition: color var(--transition-base);
}

.popular-list__link:hover {
  color: var(--color-primary);
}


/* ============================================================
   7. SIDEBAR — Latest Updates (News Feed)
   ============================================================ */

.updates-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-on-background);
}

.updates-heading__dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  background-color: var(--color-secondary);
  border-radius: 0;
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.updates-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.update-item {
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(191, 200, 197, 0.3);
}

.update-item:last-child {
  border-bottom: none;
}

.update-item__time {
  display: block;
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: var(--weight-bold);
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-2);
}

.update-item__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-on-background);
  margin-bottom: var(--space-2);
  line-height: var(--leading-snug);
}

.update-item__excerpt {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-on-surface-variant);
  line-height: var(--leading-relaxed);
}

.updates-archive-btn {
  display: block;
  width: 100%;
  margin-top: var(--space-6);
  padding-block: 1rem;
  border: var(--border-width) solid var(--color-primary);
  color: var(--color-primary);
  background-color: transparent;
  font-family: var(--font-headline);
  font-size: 0.625rem;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.updates-archive-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}


/* ============================================================
   8. SIDEBAR — Newsletter
   ============================================================ */

.newsletter-card {
  background-color: var(--color-primary);
  padding: 2.5rem;
  color: var(--color-on-primary);
}

.newsletter-card__heading {
  font-family: var(--font-headline);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-on-primary);
  margin-bottom: var(--space-6);
}

.newsletter-card__text {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-on-primary);
  opacity: 0.8;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.newsletter-form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.newsletter-form__label {
  font-family: var(--font-headline);
  font-size: var(--text-xs);
  color: var(--color-on-primary);
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.newsletter-form__input {
  width: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-on-primary);
  padding: 0.75rem 0;
  font-family: var(--font-headline);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  outline: none;
  transition: border-color var(--transition-base);
  box-sizing: border-box;
}

.newsletter-form__input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.newsletter-form__input:focus {
  border-bottom-color: rgba(255, 255, 255, 1);
}

.newsletter-form__hint {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-on-primary);
  opacity: 0.5;
}

.newsletter-form__btn {
  width: 100%;
  padding-block: 1rem;
  background-color: var(--color-secondary);
  color: var(--color-on-secondary);
  font-family: var(--font-headline);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  border: none;
  cursor: pointer;
  transition: opacity var(--transition-base);
}

.newsletter-form__btn:hover {
  opacity: 0.9;
}


/* ============================================================
   9. SIDEBAR — Tag Cloud
   ============================================================ */

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-surface-container);
  color: var(--color-primary);
  font-family: var(--font-headline);
  font-size: 0.625rem;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  text-decoration: none;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.tag:hover {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}


/* ============================================================
   10. ARTICLE PAGE — Article Header
   ============================================================ */

.article-header {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-top: var(--space-32);
  padding-bottom: 0;
}

.article-header__inner {
  padding-inline: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (min-width: 1024px) {
  .article-header__inner {
    padding-inline: var(--space-24);
  }
}

/* Meta row: category badge + date + reading time */
.article-header__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.article-meta__badge {
  display: inline-block;
  background-color: var(--color-secondary);
  color: var(--color-on-secondary);
  padding: 0.25rem 0.75rem;
  font-family: var(--font-headline);
  font-size: 0.625rem;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
}

.article-meta__text {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-outline);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
}

/* H1 title */
.article-header__title {
  font-family: var(--font-headline);
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  line-height: 1.1;
  letter-spacing: var(--tracking-tighter);
  margin-bottom: var(--space-12);
  max-width: 62.5rem;
}

@media (min-width: 1024px) {
  .article-header__title {
    font-size: var(--text-7xl);
  }
}

/* Hero image: full-width, fixed height */
.article-header__hero {
  position: relative;
  width: 100%;
  height: 38.375rem;
  overflow: hidden;
}

.article-header__hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  display: block;
}

.article-header__hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top right, rgba(41, 93, 85, 0.4), transparent);
}

@media (max-width: 768px) {
  .article-header__hero {
    height: 20rem;
  }
}


/* ============================================================
   11. ARTICLE PAGE — Content Grid
   ============================================================ */

.article-layout {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-12);
  padding-block: var(--space-16);
}

@media (min-width: 1024px) {
  .article-layout {
    padding-inline: var(--space-24);
  }
}

.article-layout__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media (min-width: 1024px) {
  .article-layout__grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 4rem;
    align-items: start;
  }
}

/* Article body column — 8 cols */
.article-layout__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

@media (min-width: 1024px) {
  .article-layout__body {
    grid-column: span 8;
  }
}

/* Article sidebar column — 4 cols, sticky */
.article-layout__sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

@media (min-width: 1024px) {
  .article-layout__sidebar {
    grid-column: span 4;
    position: sticky;
    top: calc(var(--header-height) + var(--space-8));
    align-self: start;
  }
}


/* ============================================================
   12. ARTICLE PROSE / BODY
   ============================================================ */

.article-prose {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-on-surface-variant);
  line-height: var(--leading-relaxed);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* Drop cap on first paragraph */
.article-prose[data-drop-cap="true"] > p:first-child::first-letter,
.article-prose > p:first-child.drop-cap::first-letter {
  font-family: var(--font-headline);
  font-size: 6rem;
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  float: left;
  line-height: 0.75;
  margin-right: var(--space-4);
  margin-top: 0.1em;
}

/* Lead paragraph styling */
.article-prose > p:first-child {
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  color: var(--color-on-surface);
}

.article-prose p {
  margin: 0;
}

/* H2 subheadings within prose */
.article-prose h2 {
  font-family: var(--font-headline);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  padding-top: var(--space-8);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
}

.article-prose h3 {
  font-family: var(--font-headline);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-on-background);
  padding-top: var(--space-6);
}

/* Inline expert quote styled the same as .quote-block */
.article-prose .quote-block {
  margin-block: var(--space-12);
}


/* ============================================================
   13. ARTICLE — Case Highlight Bento Grid
   ============================================================ */

.case-bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background-color: var(--color-surface-container-highest);
  margin-block: var(--space-16);
}

@media (min-width: 768px) {
  .case-bento {
    grid-template-columns: 1fr 1fr;
  }
}

.case-bento__cell {
  background-color: var(--color-surface);
  padding: 2.5rem;
}

.case-bento__title {
  font-family: var(--font-headline);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-4);
}

.case-bento__text {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-on-surface-variant);
  line-height: var(--leading-relaxed);
}

.case-bento__stat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid var(--color-surface-container-highest);
}

.case-bento__stat-value {
  font-family: var(--font-headline);
  font-size: var(--text-6xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tighter);
}

.case-bento__stat-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-tighter);
  color: var(--color-outline);
  margin-top: var(--space-2);
}


/* ============================================================
   14. ARTICLE SIDEBAR — Table of Contents
   ============================================================ */

.toc-card {
  background-color: var(--color-surface-container-low);
  padding: var(--space-8);
  border-top: var(--border-width-2) solid var(--color-primary);
}

.toc-card__heading {
  font-family: var(--font-headline);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-8);
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.toc-list__item {
  /* No extra styles needed */
}

.toc-list__link {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  text-decoration: none;
  transition: all var(--transition-base);
}

.toc-list__number {
  font-family: var(--font-headline);
  font-size: 0.625rem;
  font-weight: var(--weight-bold);
  color: var(--color-secondary);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.toc-list__label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-on-surface);
  line-height: var(--leading-tight);
  transition: color var(--transition-base);
}

.toc-list__link:hover .toc-list__label {
  color: var(--color-secondary);
}

/* Active TOC item */
.toc-list__link[data-active="true"] .toc-list__label {
  color: var(--color-primary);
  font-weight: var(--weight-bold);
}


/* ============================================================
   15. ARTICLE SIDEBAR — Quiz Teaser Card
   ============================================================ */

.quiz-card {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.quiz-card__bg-icon {
  position: absolute;
  right: -2.5rem;
  bottom: -2.5rem;
  font-size: 12.5rem;
  line-height: 1;
  opacity: 0.1;
  pointer-events: none;
  color: var(--color-on-primary);
  font-variation-settings: 'FILL' 0, 'wght' 200, 'GRAD' 0, 'opsz' 48;
}

.quiz-card__inner {
  position: relative;
  z-index: 1;
}

.quiz-card__badge {
  display: inline-block;
  background-color: var(--color-secondary);
  color: var(--color-on-secondary);
  padding: 0.25rem 0.5rem;
  font-family: var(--font-headline);
  font-size: 0.625rem;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-6);
}

.quiz-card__heading {
  font-family: var(--font-headline);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-on-primary);
  margin-bottom: var(--space-4);
  line-height: var(--leading-snug);
}

.quiz-card__text {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-on-primary-container);
  opacity: 0.8;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.quiz-card__btn {
  display: block;
  width: 100%;
  padding-block: 1rem;
  background-color: var(--color-surface);
  color: var(--color-primary);
  font-family: var(--font-headline);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  text-align: center;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-base), color var(--transition-base);
  box-sizing: border-box;
}

.quiz-card__btn:hover {
  background-color: var(--color-secondary);
  color: var(--color-on-secondary);
}


/* ============================================================
   16. ARTICLE SIDEBAR — Related Articles
   ============================================================ */

.related-articles {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.related-article {
  display: block;
  text-decoration: none;
  color: inherit;
}

.related-article__media {
  aspect-ratio: 21 / 9;
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.related-article__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform var(--transition-slow), filter var(--transition-slow);
}

.related-article:hover .related-article__image {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.related-article__title {
  font-family: var(--font-headline);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-on-background);
  line-height: var(--leading-snug);
  transition: color var(--transition-base);
}

.related-article:hover .related-article__title {
  color: var(--color-secondary);
}


/* ============================================================
   17. ARTICLE SIDEBAR — Social Channels
   ============================================================ */

.social-channels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.social-channel {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: var(--space-4);
  background-color: var(--color-surface-container-low);
  color: var(--color-on-surface);
  text-decoration: none;
  font-family: var(--font-headline);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.social-channel .material-symbols-outlined {
  font-size: var(--text-xl);
}

.social-channel:hover {
  background-color: var(--color-primary-container);
  color: var(--color-on-primary-container);
}


/* ============================================================
   18. SIDEBAR SECTION HEADINGS — Shared
   ============================================================ */

.sidebar-heading {
  font-family: var(--font-headline);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-on-background);
  margin-bottom: var(--space-6);
}

.sidebar-heading[data-color="primary"] {
  color: var(--color-primary);
}


/* ============================================================
   19. LIVE BADGE — pulsing dot
   ============================================================ */

.live-dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  background-color: var(--color-secondary);
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  flex-shrink: 0;
  vertical-align: middle;
}


/* ============================================================
   20. ARTICLE SIDEBAR — TOC smooth scroll state
   ============================================================ */

/* JS will add data-active="true" to the current section link */
.toc-list__link[data-active] .toc-list__label {
  color: var(--color-primary);
  font-weight: var(--weight-bold);
}


/* ============================================================
   21. RESPONSIVE — Tablet (max 1023px)
   ============================================================ */

@media (max-width: 1023px) {
  .magazine-grid__inner {
    grid-template-columns: 1fr;
  }

  .magazine-grid__main,
  .magazine-grid__sidebar {
    grid-column: auto;
  }

  .article-layout__grid {
    grid-template-columns: 1fr;
  }

  .article-layout__body,
  .article-layout__sidebar {
    grid-column: auto;
  }

  .article-layout__sidebar {
    position: static;
  }
}


/* ============================================================
   22. RESPONSIVE — Mobile (max 767px)
   ============================================================ */

@media (max-width: 767px) {
  .magazine-header {
    padding-inline: var(--space-6);
  }

  .magazine-grid {
    padding-inline: var(--space-6);
  }

  .article-layout {
    padding-inline: var(--space-6);
  }

  .article-header__inner {
    padding-inline: var(--space-6);
  }

  .article-cards {
    grid-template-columns: 1fr;
  }

  .case-bento {
    grid-template-columns: 1fr;
  }

  .case-bento__stat {
    border-left: none;
    border-top: 1px solid var(--color-surface-container-highest);
  }

  .social-channels {
    grid-template-columns: 1fr;
  }

  .quote-block {
    padding: var(--space-8);
  }

  .quote-block__text {
    font-size: var(--text-xl);
  }

  .newsletter-card {
    padding: var(--space-8);
  }

  .quiz-card {
    padding: var(--space-8);
  }

  .toc-card {
    padding: var(--space-6);
  }

  .article-hero__excerpt {
    font-size: var(--text-base);
  }
}


/* ============================================================
   23. UTILITY — Grayscale image with hover
   ============================================================ */

.grayscale-img {
  filter: grayscale(100%);
  transition: filter var(--transition-slow);
}

.grayscale-img:hover {
  filter: grayscale(0%);
}