/*
  VIVIDEAR Article Templates
  WordPress-ready single post styles scoped to .article-page.
*/


/* Article hero */

.article-page {
  background:
    radial-gradient(circle at 12% 4%, rgba(86, 215, 209, .22), transparent 28%),
    linear-gradient(180deg, var(--color-surface-soft), var(--color-surface));
}
.article-page__hero {
  padding-block: var(--space-16) var(--space-8);
}
.article-page__hero-inner {
  width: min(calc(100% - 80px), var(--container-narrow));
  margin-inline: auto;
}
.article-page__breadcrumb {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  max-width: 100%;
  padding: var(--space-2) var(--space-4);
  margin-block-end: var(--space-5);
  color: var(--text-primary);
  background: rgba(255, 255, 255, .88);
  border: 1px solid rgba(61, 126, 255, .18);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-xs);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-body);
  backdrop-filter: blur(14px);
}
.article-page__breadcrumb a {
  color: var(--primary-blue);
  text-decoration: none;
}
.article-page__breadcrumb a:hover {
  color: var(--blue-hover);
}
.article-page__breadcrumb span[aria-hidden="true"] {
  color: var(--soft-teal);
}
.article-page__breadcrumb span:last-child {
  color: var(--deep-navy);
  font-weight: var(--font-weight-bold);
}
.article-page__category {
  margin-block-end: var(--space-4);
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-blue), var(--soft-teal));
  border: 1px solid rgba(255, 255, 255, .72);
  box-shadow: var(--shadow-xs);
}
.article-page__title {
  max-width: 920px;
  margin-block: 0;
  font-size: clamp(44px, 5vw, 66px);
  line-height: var(--line-height-tight);
}
.article-page__excerpt {
  max-width: 780px;
  margin-block-start: var(--space-5);
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  line-height: 32px;
}
.article-page__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-block-start: var(--space-6);
  color: var(--deep-navy);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-body);
}
.article-page__meta span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, .8);
  border: 1px solid rgba(61, 126, 255, .14);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-xs);
}
.article-page__shell {
  padding-block: var(--space-6) var(--space-16);
  overflow: visible;
}


/* Featured image */

.article-page__figure {
  max-width: var(--container-narrow);
  margin: 0 auto var(--space-10);
}
.article-page__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, .78);
  border-radius: var(--radius-section);
  box-shadow: var(--shadow-section);
}
.article-page__figure figcaption {
  margin-block-start: var(--space-3);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-body);
  text-align: center;
}


/* Article content */

.article-page__body {
  display: grid;
  grid-template-columns: minmax(0, 860px) minmax(250px, 300px);
  align-items: stretch;
  gap: var(--space-8);
  max-width: 1192px;
  margin-inline: auto;
  overflow: visible;
}
.article-page__content {
  min-width: 0;
  padding: var(--space-10);
  overflow-wrap: anywhere;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}
.article-page__content > *:first-child {
  margin-block-start: 0;
}
.article-page__content > *:last-child {
  margin-block-end: 0;
}
.article-page__sidebar {
  align-self: stretch;
  min-width: 0;
  overflow: visible;
}
.article-page__toc {
  position: static;
  padding: var(--space-5);
  background: rgba(255, 255, 255, .84);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  backdrop-filter: blur(14px);
}
.article-page__toc h2 {
  margin-block: 0 var(--space-4);
  color: var(--deep-navy);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-heading);
}
.article-page__toc ol {
  display: grid;
  gap: var(--space-2);
  padding: 0;
  margin: 0;
  list-style: none;
}
.article-page__toc a {
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-body);
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.article-page__toc a:hover {
  color: var(--primary-blue);
  background: var(--blue-light);
}


/* Article typography */

.article-page__content h2,
.article-page__content h3,
.article-page__content h4 {
  max-width: 760px;
  color: var(--deep-navy);
}
.article-page__content h2 {
  margin-block: var(--space-10) var(--space-4);
  font-size: clamp(30px, 3vw, 42px);
  line-height: var(--line-height-heading);
  scroll-margin-top: 180px;
}
.article-page__content h3 {
  margin-block: var(--space-8) var(--space-3);
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-heading);
}
.article-page__content h4 {
  margin-block: var(--space-6) var(--space-3);
  font-size: var(--font-size-xl);
  line-height: var(--line-height-heading);
}
.article-page__content p,
.article-page__content li {
  color: var(--text-primary);
  font-size: var(--font-size-md);
  line-height: 1.8;
}
.article-page__content p {
  max-width: 760px;
  margin-block: 0 var(--space-5);
}
.article-page__content a {
  color: var(--primary-blue);
  font-weight: var(--font-weight-bold);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.article-page__content a:hover {
  color: var(--blue-hover);
}
.article-page__content ul,
.article-page__content ol {
  display: grid;
  gap: var(--space-3);
  max-width: 760px;
  padding-inline-start: var(--space-6);
  margin-block: 0 var(--space-6);
}
.article-page__content li::marker {
  color: var(--primary-blue);
}
.article-page__content strong {
  color: var(--deep-navy);
  font-weight: var(--font-weight-extrabold);
}
.article-page__content blockquote {
  max-width: 760px;
  padding: var(--space-6);
  margin: var(--space-8) 0;
  color: var(--deep-navy);
  background: var(--blue-light);
  border: 1px solid rgba(61, 126, 255, .14);
  border-inline-start: 5px solid var(--primary-blue);
  border-radius: var(--radius-lg);
}
.article-page__content blockquote p {
  color: inherit;
  font-size: var(--font-size-lg);
  line-height: var(--line-height-body);
}
.article-page__content hr {
  width: 100%;
  height: 1px;
  margin: var(--space-8) 0;
  background: var(--divider);
  border: 0;
}
.article-page__content figure {
  margin: var(--space-8) 0;
}
.article-page__content img,
.article-page__content video,
.article-page__content iframe {
  max-width: 100%;
  border-radius: var(--radius-lg);
}
.article-page__content iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
}
.article-page__content figcaption {
  margin-block-start: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-body);
  text-align: center;
}
.article-page__content table {
  display: block;
  width: 100%;
  min-width: 0;
  margin-block: var(--space-8);
  overflow-x: auto;
  white-space: nowrap;
  border-collapse: collapse;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.article-page__content th,
.article-page__content td {
  padding: var(--space-4);
}


/* Author box */

.article-page__meta-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  max-width: 1192px;
  padding: var(--space-8);
  margin: var(--space-10) auto 0;
  background: rgba(255, 255, 255, .9);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}
.article-page__author {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.article-page__author h2 {
  margin-block: 0 var(--space-2);
  font-size: var(--font-size-xl);
}
.article-page__author p {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-body);
}
.article-page__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  margin: 0;
}
.article-page__facts div {
  min-width: 0;
  padding: var(--space-5);
  background: var(--color-surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.article-page__facts dt {
  margin-block-end: var(--space-2);
  color: var(--primary-blue);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-body);
  text-transform: uppercase;
}
.article-page__facts dd {
  margin: 0;
  color: var(--deep-navy);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-body);
}


/* Related articles */

.article-page__related {
  max-width: 1192px;
  margin: var(--space-16) auto 0;
}
.article-page__related .section-row {
  margin-block-end: var(--space-6);
}
.article-page__related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}
.article-page__related .article-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
}
.article-page__related .article-card p {
  flex: 1;
}
.article-page__related .article-card__image {
  position: relative;
  height: 204px;
  margin: 0 0 var(--space-5);
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, .8), transparent 28%),
    linear-gradient(135deg, #dfeaff, #f6fbff 48%, #dff8f4);
}
.article-page__related .article-card__image::after {
  position: absolute;
  inset: auto -18% -34% 18%;
  height: 72%;
  content: "";
  background: rgba(255, 255, 255, .45);
  border-radius: var(--radius-circle);
}
.article-page__related .article-card__image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.article-page__related .article-card__image:has(img)::after {
  content: none;
}
.article-page__related .article-card__image .badge {
  position: absolute;
  inset-block-start: var(--space-3);
  inset-inline-start: var(--space-3);
  z-index: 1;
  margin: 0;
  color: var(--deep-navy);
  background: rgba(255, 255, 255, .92);
  border: 1px solid rgba(255, 255, 255, .76);
  box-shadow: var(--shadow-xs);
  backdrop-filter: blur(12px);
}
.article-page__related .article-card h3 a {
  color: inherit;
  text-decoration: none;
}
.article-page__related .article-card h3 a:hover {
  color: var(--primary-blue);
}
.article-page__related .article-card__image--tinnitus-relief {
  background:
    radial-gradient(circle at 76% 18%, rgba(255, 255, 255, .82), transparent 26%),
    linear-gradient(135deg, #ffe5df, #fff7f2 48%, #e8f0ff);
}
.article-page__related .article-card__image--hearing-protection {
  background:
    radial-gradient(circle at 24% 18%, rgba(255, 255, 255, .78), transparent 25%),
    linear-gradient(135deg, #dff8f4, #f8fbff 48%, #e9ecff);
}


/* Article CTA blocks */

.article-page__newsletter {
  padding-block: var(--space-16);
  background: var(--color-surface);
}
.article-page__newsletter-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-8);
  width: min(calc(100% - 80px), var(--container-width));
  padding: var(--space-10);
  margin-inline: auto;
  background:
    radial-gradient(circle at 100% 0%, rgba(86, 215, 209, .45), transparent 34%),
    linear-gradient(135deg, var(--blue-light), var(--teal-light));
  border: 1px solid rgba(61, 126, 255, .14);
  border-radius: var(--radius-section);
  box-shadow: var(--shadow-sm);
}
.article-page__newsletter-panel h2 {
  max-width: 760px;
  margin-block: 0;
}
.article-page__newsletter-panel p {
  max-width: 620px;
  margin-block-start: var(--space-3);
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-body);
}


/* Article-specific responsive adjustments */

@media (min-width: 1025px) {
  .article-page__toc {
    position: sticky;
    top: 140px;
  }
}

@media (max-width: 1024px) {
  .article-page__body {
    grid-template-columns: 1fr;
    max-width: 860px;
  }

  .article-page__sidebar {
    order: -1;
  }

  .article-page__toc {
    position: static;
  }

  .article-page__toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-page__meta-box {
    max-width: 860px;
  }

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

@media (max-width: 768px) {
  .article-page__hero {
    padding-block: var(--space-10) var(--space-5);
  }

  .article-page__hero-inner,
  .article-page__newsletter-panel {
    width: min(calc(100% - 40px), var(--container-width));
  }

  .article-page__title {
    font-size: 40px;
  }

  .article-page__excerpt {
    font-size: var(--font-size-md);
    line-height: 30px;
  }

  .article-page__content {
    padding: var(--space-6);
    border-radius: var(--radius-lg);
  }

  .article-page__content h2 {
    font-size: var(--font-size-3xl);
  }

  .article-page__content h3 {
    font-size: var(--font-size-xl);
  }

  .article-page__content p,
  .article-page__content li {
    font-size: var(--font-size-base);
  }

  .article-page__figure img {
    border-radius: var(--radius-xl);
  }

  .article-page__toc ol,
  .article-page__facts,
  .article-page__related-grid {
    grid-template-columns: 1fr;
  }

  .article-page__related .article-card__image {
    height: 220px;
  }

  .article-page__newsletter {
    padding-block: var(--space-10);
  }

  .article-page__newsletter-panel {
    padding: var(--space-6);
    border-radius: var(--radius-xl);
  }
}

@media (max-width: 520px) {
  .article-page__title {
    font-size: 34px;
  }

  .article-page__shell {
    padding-block-end: var(--space-10);
  }

  .article-page__content {
    padding: var(--space-5);
  }

  .article-page__breadcrumb {
    border-radius: var(--radius-md);
  }

  .article-page__meta span {
    width: 100%;
    justify-content: center;
  }

  .article-page__meta-box {
    padding: var(--space-5);
  }

  .article-page__author {
    flex-direction: column;
  }
}