/*
  VIVIDEAR Learning Center
  Page-template styles for the curated Learning Center landing page.
*/


/* Learning Center Hero */

.learning-page {
  background:
    radial-gradient(circle at 8% 5%, rgba(86, 215, 209, .2), transparent 28%),
    linear-gradient(180deg, var(--color-surface-soft), var(--color-surface));
}
.learning-page__hero {
  padding-block: var(--space-16) var(--space-12);
}
.learning-page__hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  align-items: center;
  gap: var(--space-10);
}
.learning-page__hero-content {
  max-width: 820px;
}
.learning-page__hero-content h1 {
  max-width: 860px;
}
.learning-page__hero-content p {
  max-width: 760px;
  margin-block-start: var(--space-5);
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  line-height: 32px;
}
.learning-page__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-block-start: var(--space-8);
}
.learning-page__hero-panel {
  padding: var(--space-6);
  background: rgba(255, 255, 255, .9);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}
.learning-page__hero-panel h2 {
  margin-block: 0 var(--space-4);
  font-size: var(--font-size-xl);
}
.learning-page__topic-list {
  display: grid;
  gap: var(--space-3);
}
.learning-page__topic-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 54px;
  padding: 0 var(--space-4);
  color: var(--deep-navy);
  background: var(--color-surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-extrabold);
}
.learning-page__topic-list a::after {
  color: var(--primary-blue);
  content: "\2192";
}


/* Featured Guide Slider */

.learning-page__featured,
.learning-page__topics,
.learning-page__latest,
.learning-page__connected,
.learning-page__search {
  padding-block: var(--space-16);
}
.learning-featured-slider {
  display: grid;
  gap: var(--space-5);
}
.learning-featured-slider__viewport {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-section);
  box-shadow: var(--shadow-card);
}
.learning-featured-slider__track {
  display: flex;
  transition: transform var(--transition-slow);
}
.learning-featured-slider__slide {
  flex: 0 0 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  align-items: center;
  gap: var(--space-8);
  min-width: 0;
  padding: var(--space-5);
  visibility: hidden;
  pointer-events: none;
}
.learning-featured-slider__slide.is-active {
  visibility: visible;
  pointer-events: auto;
}
.learning-featured-slider__media {
  position: relative;
  display: block;
  min-height: 420px;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, .78), transparent 26%),
    linear-gradient(135deg, #dfeaff, #f6fbff 48%, #dff8f4);
}
.learning-featured-slider__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.learning-featured-slider__media .badge {
  position: absolute;
  inset-block-start: var(--space-4);
  inset-inline-start: var(--space-4);
  margin: 0;
  color: var(--white);
  background: var(--primary-blue);
  border: 1px solid rgba(255, 255, 255, .74);
  box-shadow: var(--shadow-xs);
}
.learning-featured-slider__media--loss {
  background:
    radial-gradient(circle at 76% 20%, rgba(255, 255, 255, .78), transparent 28%),
    linear-gradient(135deg, #dfeaff, #f8fbff 46%, #dff8f4);
}
.learning-featured-slider__media--tinnitus {
  background:
    radial-gradient(circle at 76% 18%, rgba(255, 255, 255, .8), transparent 28%),
    linear-gradient(135deg, #ffe4de, #fff7f2 48%, #e8f0ff);
}
.learning-featured-slider__body {
  padding: var(--space-4);
}
.learning-featured-slider__body h3 {
  margin-block: 0 var(--space-4);
  font-size: clamp(34px, 4vw, 52px);
  line-height: var(--line-height-heading);
}
.learning-featured-slider__body h3 a {
  color: inherit;
  text-decoration: none;
}
.learning-featured-slider__body h3 a:hover {
  color: var(--primary-blue);
}
.learning-featured-slider__body p {
  max-width: 560px;
  margin-block: 0 var(--space-6);
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  line-height: 32px;
}
.learning-featured-slider__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.learning-featured-slider__controls,
.learning-featured-slider__dots {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.learning-featured-slider__controls button {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: var(--deep-navy);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-button);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-black);
  transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}
.learning-featured-slider__controls button:hover {
  color: var(--white);
  background: var(--primary-blue);
  transform: translateY(-2px);
}
.learning-featured-slider__dots button {
  width: 12px;
  height: 12px;
  padding: 0;
  background: var(--border);
  border: 0;
  border-radius: var(--radius-pill);
  transition: width var(--transition-fast), background var(--transition-fast);
}
.learning-featured-slider__dots button.is-active {
  width: 34px;
  background: var(--primary-blue);
}


/* Topics */

.learning-page__topics {
  background: var(--white);
}
.learning-page__topics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-5);
}
.learning-page__topic-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: var(--space-6);
  background: var(--color-surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.learning-page__topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}
.learning-page__topic-card > span {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-block-end: var(--space-5);
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-blue), var(--soft-teal));
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-black);
}
.learning-page__topic-card h3 {
  margin-block: 0 var(--space-3);
  font-size: var(--font-size-xl);
}
.learning-page__topic-card p {
  flex: 1;
  margin-block-end: var(--space-5);
  color: var(--text-secondary);
  line-height: var(--line-height-body);
}
.learning-page__topic-card a {
  color: var(--primary-blue);
  font-weight: var(--font-weight-black);
}


/* Latest Guides */

.learning-page__latest-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}
.learning-guide-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
}
.learning-guide-card p {
  flex: 1;
}
.learning-guide-card__media {
  position: relative;
  height: 204px;
  margin: 0 0 var(--space-5);
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, .78), transparent 26%),
    linear-gradient(135deg, #dfeaff, #f6fbff 48%, #dff8f4);
}
.learning-guide-card__media::after {
  position: absolute;
  inset: auto -18% -34% 18%;
  height: 72%;
  content: "";
  background: rgba(255, 255, 255, .45);
  border-radius: var(--radius-circle);
}
.learning-guide-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.learning-guide-card__media:has(img)::after {
  content: none;
}
.learning-guide-card__media .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);
}
.learning-guide-card h3 a {
  color: inherit;
  text-decoration: none;
}
.learning-guide-card h3 a:hover {
  color: var(--primary-blue);
}
.learning-guide-card__media--tinnitus {
  background:
    radial-gradient(circle at 78% 18%, rgba(255, 255, 255, .78), transparent 28%),
    linear-gradient(135deg, #ffe4de, #fff7f2 48%, #e8f0ff);
}
.learning-guide-card__media--wax {
  background:
    radial-gradient(circle at 28% 18%, rgba(255, 255, 255, .76), transparent 26%),
    linear-gradient(135deg, #fff2d5, #fffaf0 48%, #eaf1ff);
}
.learning-guide-card__media--protection {
  background:
    radial-gradient(circle at 22% 20%, rgba(255, 255, 255, .78), transparent 26%),
    linear-gradient(135deg, #dff8f4, #f8fbff 48%, #e9ecff);
}
.learning-guide-card__media--technology {
  background:
    radial-gradient(circle at 76% 20%, rgba(255, 255, 255, .8), transparent 28%),
    linear-gradient(135deg, #ece9ff, #f7f8ff 48%, #e5f7ff);
}
.learning-guide-card__media--buying {
  background:
    radial-gradient(circle at 24% 22%, rgba(255, 255, 255, .78), transparent 28%),
    linear-gradient(135deg, #e1ecff, #f8fbff 48%, #fff2d5);
}


/* Connected Guidance */

.learning-page__connected-panel {
  padding: var(--space-10);
  background:
    radial-gradient(circle at 100% 0%, rgba(86, 215, 209, .38), transparent 32%),
    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-card);
}
.learning-page__connected-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}
.learning-page__connection-card {
  padding: var(--space-6);
  background: rgba(255, 255, 255, .86);
  border: 1px solid rgba(255, 255, 255, .78);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
}
.learning-page__connection-card > span {
  display: inline-flex;
  margin-block-end: var(--space-3);
  color: var(--primary-blue);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-black);
  line-height: var(--line-height-body);
  text-transform: uppercase;
}
.learning-page__connection-card h3 {
  margin-block: 0 var(--space-5);
  font-size: var(--font-size-xl);
}
.learning-page__connection-card div {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.learning-page__connection-card a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 var(--space-3);
  color: var(--deep-navy);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-extrabold);
}


/* Editorial Search CTA */

.learning-page__search {
  background: var(--white);
}
.learning-page__search-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-6);
  background: var(--color-surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
}
.learning-page__search-panel h2 {
  margin-block: 0;
}
.learning-page__search-panel p {
  margin-block-start: var(--space-3);
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-body);
}
.learning-page__search-form {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-2);
  background: var(--color-surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.learning-page__search-form input {
  min-width: 0;
  flex: 1;
  min-height: 56px;
  padding: 0 var(--space-5);
  color: var(--text-primary);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}


/* Newsletter spacing */

.learning-page__newsletter {
  padding-block: var(--space-16);
  background: var(--color-surface);
}
.learning-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);
}
.learning-page__newsletter-panel h2 {
  max-width: 760px;
  margin-block: 0;
}
.learning-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);
}


/* Responsive page-specific rules */

@media (max-width: 1200px) {
  .learning-page__topics-grid,
  .learning-page__connected-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .learning-page__hero-grid,
  .learning-featured-slider__slide,
  .learning-page__search-panel,
  .learning-page__newsletter-panel {
    grid-template-columns: 1fr;
  }

  .learning-page__latest-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .learning-page__hero,
  .learning-page__featured,
  .learning-page__topics,
  .learning-page__latest,
  .learning-page__connected,
  .learning-page__search,
  .learning-page__newsletter {
    padding-block: var(--space-10);
  }

  .learning-page__topics-grid,
  .learning-page__latest-grid,
  .learning-page__connected-grid {
    grid-template-columns: 1fr;
  }

  .learning-featured-slider__slide,
  .learning-page__connected-panel,
  .learning-page__search-panel,
  .learning-page__newsletter-panel {
    padding: var(--space-6);
    border-radius: var(--radius-xl);
  }

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

  .learning-page__search-form {
    flex-direction: column;
  }

  .learning-page__search-form input,
  .learning-page__search-form button {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .learning-page__hero-actions,
  .learning-page__hero-actions .btn {
    width: 100%;
  }

  .learning-featured-slider__media {
    min-height: 300px;
  }

  .learning-featured-slider__media img {
    aspect-ratio: 4 / 3;
  }

  .learning-featured-slider__body {
    padding: 0;
  }

  .learning-featured-slider__body h3 {
    font-size: var(--font-size-3xl);
  }

  .learning-featured-slider__footer {
    justify-content: center;
  }
}