/* Educational blog — isolated styles using Diako design tokens only. */

.da-blog-home,
.da-blog-page,
.da-blog-article {
  --blog-ink: var(--ds-navy-900, #0f172a);
  --blog-muted: var(--ds-gray-500, #64748b);
  --blog-line: var(--border, #e2e8f0);
  --blog-blue: #1266e3;
  --blog-blue-dark: #0b4db5;
  --blog-radius: var(--radius-lg, 16px);
  background: linear-gradient(180deg, #f7f8fa 0%, #ffffff 42%, #f8fafc 100%);
  color: var(--blog-ink);
}

.da-blog-home {
  padding: 56px 0 64px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.da-blog-home__inner,
.da-blog-page__inner,
.da-blog-article__inner {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

.da-blog-home__header,
.da-blog-page__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 36px;
}

.da-blog-home__title,
.da-blog-page__title,
.da-blog-article h1 {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 750;
  line-height: 1.45;
  color: var(--blog-ink);
}

.da-blog-home__lead,
.da-blog-page__intro {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--blog-muted);
}

.da-blog-home__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.da-blog-home__grid--1 { grid-template-columns: minmax(0, 320px); justify-content: center; }
.da-blog-home__grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.da-blog-home__grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.da-blog-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--blog-line);
  border-radius: var(--blog-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(15, 23, 42, 0.07));
  min-width: 0;
}

.da-blog-card--featured {
  border-color: rgba(18, 102, 227, 0.28);
}

.da-blog-card__media {
  display: block;
  aspect-ratio: 16 / 10;
  background: var(--ds-navy-800, #1e293b);
  overflow: hidden;
}

.da-blog-card__media img,
.da-blog-card__fallback {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.da-blog-card__fallback {
  background: linear-gradient(135deg, #1e293b, #334155 55%, #0f172a);
}

.da-blog-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 18px;
  flex: 1;
}

.da-blog-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  font-size: 0.78rem;
  color: var(--blog-muted);
}

.da-blog-card__cat {
  color: var(--blog-blue);
  font-weight: 700;
}

.da-blog-card__title {
  margin: 0;
  font-size: 1.02rem !important;
  line-height: 1.55;
}

.da-blog-card__title a {
  color: inherit;
  text-decoration: none;
}

.da-blog-card__title a:hover {
  color: var(--blog-blue);
}

.da-blog-card__excerpt {
  margin: 0;
  color: var(--blog-muted);
  font-size: 0.9rem;
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.da-blog-card__more,
.da-blog-home__cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  margin-top: auto;
  color: var(--blog-blue);
  font-weight: 700;
  text-decoration: none;
}

.da-blog-home__cta {
  margin-top: 36px;
  text-align: center;
}

.da-blog-home__cta-btn {
  min-height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-md, 12px);
  background: var(--blog-blue);
  color: #fff !important;
  box-shadow: 0 10px 24px -12px rgba(18, 102, 227, 0.65);
}

.da-blog-home__cta-btn:hover {
  background: var(--blog-blue-dark);
}

.da-blog-page,
.da-blog-article {
  padding: 28px 0 64px;
}

.da-blog-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: var(--blog-muted);
}

.da-blog-crumb a {
  color: var(--blog-blue);
  text-decoration: none;
}

.da-blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 28px;
  align-items: center;
}

.da-blog-filters input[type="search"],
.da-blog-filters select {
  min-height: 42px;
  border: 1px solid var(--blog-line);
  border-radius: var(--radius-md, 12px);
  padding: 0 12px;
  font: inherit;
  background: #fff;
}

.da-blog-filters__search {
  flex: 1 1 220px;
}

.da-blog-filters__search input {
  width: 100%;
}

.da-blog-filters button {
  min-height: 42px;
  border: 0;
  border-radius: var(--radius-md, 12px);
  background: var(--ds-navy-800, #1e293b);
  color: #fff;
  padding: 0 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.da-blog-filters__check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blog-muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.da-blog-pager,
.da-blog-neighbors {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 32px;
  align-items: center;
}

.da-blog-pager a,
.da-blog-neighbors a {
  color: var(--blog-blue);
  text-decoration: none;
  font-weight: 700;
}

.da-blog-empty {
  text-align: center;
  padding: 48px 16px;
  color: var(--blog-muted);
}

.da-blog-article__inner {
  width: min(820px, calc(100% - 32px));
}

.da-blog-article h1 {
  font-size: clamp(1.6rem, 3vw, 2.1rem) !important;
}

.da-blog-article__byline,
.da-blog-article__tax {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--blog-muted);
  font-size: 0.9rem;
}

.da-blog-article__cover {
  margin: 22px 0 0;
  border-radius: var(--blog-radius);
  overflow: hidden;
}

.da-blog-article__cover img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.da-blog-article__lead {
  margin: 22px 0 0;
  font-size: 1.08rem;
  line-height: 1.9;
  color: #334155;
}

.da-blog-toc {
  margin: 28px 0;
  padding: 16px 18px;
  border: 1px solid var(--blog-line);
  border-radius: var(--radius-md, 12px);
  background: #fff;
}

.da-blog-toc ol {
  margin: 10px 0 0;
  padding: 0 18px 0 0;
}

.da-blog-toc__l3 {
  margin-right: 14px;
  font-size: 0.95em;
}

.da-blog-toc a {
  color: inherit;
  text-decoration: none;
}

.da-blog-prose {
  margin-top: 8px;
  font-size: 1.05rem;
  line-height: 2;
  color: #1e293b;
}

.da-blog-prose > * + * { margin-top: 1.05em; }
.da-blog-prose h2 {
  margin-top: 1.6em;
  font-size: 1.35rem !important;
  line-height: 1.5;
}
.da-blog-prose h3 {
  margin-top: 1.35em;
  font-size: 1.18rem !important;
}
.da-blog-prose h4 { font-size: 1.05rem !important; }
.da-blog-prose p { margin: 0 0 1em; }
.da-blog-prose ul,
.da-blog-prose ol { padding-right: 1.3em; }
.da-blog-prose blockquote {
  margin: 1.2em 0;
  padding: 0.4em 1em;
  border-right: 3px solid var(--blog-blue);
  color: #334155;
  background: #f8fafc;
}
.da-blog-prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md, 12px);
}
.da-blog-prose figure { margin: 1.4em 0; }
.da-blog-prose figcaption {
  margin-top: 8px;
  color: var(--blog-muted);
  font-size: 0.88rem;
  text-align: center;
}
.da-blog-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.da-blog-prose th,
.da-blog-prose td {
  border: 1px solid var(--blog-line);
  padding: 8px 10px;
}
.da-blog-prose iframe {
  width: 100%;
  min-height: 280px;
  border: 0;
  border-radius: var(--radius-md, 12px);
}
.da-blog-prose [dir="ltr"] {
  direction: ltr;
  text-align: left;
}
.da-blog-prose .has-text-align-center { text-align: center; }
.da-blog-prose .has-text-align-right { text-align: right; }
.da-blog-prose .has-text-align-left { text-align: left; }
.da-blog-prose .has-text-align-justify { text-align: justify; }

.da-blog-share,
.da-blog-cta,
.da-blog-related {
  margin-top: 36px;
}

.da-blog-share {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.da-blog-share a,
.da-blog-share button {
  border: 1px solid var(--blog-line);
  background: #fff;
  border-radius: 999px;
  padding: 6px 12px;
  font: inherit;
  cursor: pointer;
  color: var(--blog-ink);
  text-decoration: none;
}

.da-blog-cta {
  padding: 22px;
  border-radius: var(--blog-radius);
  background: #0f172a;
  color: #fff;
  text-align: center;
}

.da-blog-cta h2 {
  color: #fff !important;
  margin: 0 0 14px;
}

.da-blog-related .da-blog-home__grid {
  margin-top: 16px;
}

.da-blog-preview-banner {
  background: #fff7ed;
  color: #c2410c;
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 700;
}

.da-blog-neighbors a {
  display: block;
  flex: 1;
  padding: 12px 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1100px) {
  .da-blog-home__grid,
  .da-blog-home__grid--3,
  .da-blog-home__grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .da-blog-home,
  .da-blog-page,
  .da-blog-article {
    padding: 36px 0 48px;
  }
  .da-blog-home__grid,
  .da-blog-home__grid--1,
  .da-blog-home__grid--2,
  .da-blog-home__grid--3,
  .da-blog-home__grid--4 {
    grid-template-columns: minmax(0, 1fr);
  }
  .da-blog-filters { flex-direction: column; align-items: stretch; }
  .da-blog-neighbors { flex-direction: column; }
}