/* InkSnap Blog — editorial listing + article layout */

.blog-page {
  --blog-ink: #12141a;
  --blog-muted: #2f3545;
  --blog-line: #e6e8ee;
  --blog-primary: #2163e8;
  --blog-soft: #f4f6fa;
  color: var(--blog-muted);
  background: #fff;
  font-family: "Nunito Sans", sans-serif;
}

.blog-page h1,
.blog-page h2,
.blog-page h3,
.blog-page h4 {
  color: var(--blog-ink);
  font-family: "Rubik", sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* —— Index hero —— */
.blog-hero {
  padding: clamp(2.75rem, 6vw, 4.5rem) 0 clamp(2rem, 4vw, 2.75rem);
  background:
    radial-gradient(ellipse 70% 60% at 0% 0%, rgba(33, 99, 232, 0.09), transparent 55%),
    linear-gradient(180deg, #f5f7fb 0%, #fff 100%);
  border-bottom: 1px solid var(--blog-line);
}

.blog-hero .blog-brand {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--blog-ink);
  line-height: 1.1;
  font-family: "Rubik", sans-serif;
}

.blog-hero .blog-brand::after {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-left: 0.28rem;
  border-radius: 50%;
  background: var(--blog-primary);
  vertical-align: middle;
  transform: translateY(-0.1rem);
}

.blog-hero h1 {
  max-width: 22ch;
  margin: 0 0 0.65rem;
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  font-weight: 600;
  line-height: 1.3;
}

.blog-hero .lead {
  max-width: 36rem;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.55;
}

/* —— Index layout —— */
.blog-index {
  padding: clamp(2.25rem, 5vw, 3.5rem) 0 clamp(3rem, 6vw, 4.5rem);
}

.blog-index-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  gap: clamp(2rem, 4vw, 3.25rem);
  align-items: start;
}

.blog-feed {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Featured */
.blog-featured {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 1.5rem;
  padding-bottom: 2rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--blog-line);
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s ease;
}

.blog-featured:hover {
  opacity: 0.92;
}

.blog-featured:hover .blog-featured-title {
  color: var(--blog-primary);
}

.blog-featured-media {
  aspect-ratio: 16 / 10;
  border-radius: 0;
  overflow: hidden;
  background:
    linear-gradient(135deg, #1e3a6e 0%, #2163e8 45%, #4a8af0 100%);
  position: relative;
}

.blog-featured-media span {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
  color: #fff;
  font-family: "Rubik", sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 600;
  line-height: 1.25;
  background: linear-gradient(transparent 35%, rgba(0, 0, 0, 0.55));
}

.blog-featured-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.65rem;
}

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.85rem;
  font-size: 0.82rem;
  color: var(--blog-muted);
}

.blog-meta .cat {
  color: var(--blog-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.72rem;
}

.blog-featured-title {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  line-height: 1.25;
  transition: color 0.2s ease;
}

.blog-featured-excerpt {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.55;
}

.blog-read {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.25rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--blog-primary);
  text-decoration: none;
}

.blog-read:hover {
  text-decoration: underline;
}

/* Post rows */
.blog-post-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 1.5rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--blog-line);
  text-decoration: none;
  color: inherit;
  transition: background 0.2s ease;
}

.blog-post-row:hover .blog-post-title {
  color: var(--blog-primary);
}

.blog-post-title {
  margin: 0.35rem 0 0.4rem;
  font-size: 1.15rem;
  line-height: 1.3;
  transition: color 0.2s ease;
}

.blog-post-excerpt {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.5;
  max-width: 42rem;
}

.blog-post-date {
  font-size: 0.8rem;
  color: #8a90a0;
  white-space: nowrap;
  padding-top: 1.6rem;
}

/* Sidebar */
.blog-aside {
  position: sticky;
  top: 5.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.blog-aside-block h3 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
}

.blog-aside-cats {
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-aside-cats li {
  margin: 0;
  border-bottom: 1px solid var(--blog-line);
}

.blog-aside-cats a {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0;
  color: var(--blog-ink);
  text-decoration: none;
  font-size: 0.9rem;
}

.blog-aside-cats a:hover {
  color: var(--blog-primary);
}

.blog-aside-cats span {
  color: #8a90a0;
  font-size: 0.8rem;
}

.blog-aside-cta {
  padding: 1.25rem;
  background: var(--blog-soft);
  border-left: 3px solid var(--blog-primary);
}

.blog-aside-cta p {
  margin: 0 0 0.85rem;
  font-size: 0.9rem;
  line-height: 1.45;
}

.blog-aside-cta a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  background: var(--blog-primary);
  padding: 0.65rem 1rem;
  text-decoration: none;
  border-radius: 6px;
}

.blog-aside-cta a:hover {
  background: #1a52c7;
}

/* —— Article page —— */
.blog-article-page .blog-topbar {
  border-bottom: 1px solid var(--blog-line);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}

.blog-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}

.blog-topbar .logo img {
  height: 36px;
  width: auto;
}

.blog-topbar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 600;
}

.blog-topbar-links .theme-toggle-btn {
  width: 2rem;
  height: 2rem;
  font-size: 1rem;
  padding: 0;
}

.blog-topbar-links a {
  color: var(--blog-ink);
  text-decoration: none;
}

.blog-topbar-links a:hover {
  color: var(--blog-primary);
}

.blog-topbar-links a.is-active {
  color: var(--blog-primary);
}

.blog-article {
  padding: clamp(2rem, 5vw, 3.25rem) 0 clamp(3rem, 6vw, 4.5rem);
}

.blog-article-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.blog-crumb {
  margin: 0 0 1.25rem;
  font-size: 0.85rem;
}

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

.blog-crumb a:hover {
  text-decoration: underline;
}

.blog-article-title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.65rem, 3.5vw, 2.35rem);
  line-height: 1.2;
  font-weight: 700;
}

.blog-article-deck {
  margin: 0 0 1.25rem;
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--blog-muted);
}

.blog-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--blog-line);
  font-size: 0.88rem;
}

.blog-prose {
  font-size: 1.05rem;
  line-height: 1.7;
}

.blog-prose p {
  margin: 0 0 1.15rem;
}

.blog-prose h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.35rem;
  line-height: 1.3;
}

.blog-prose h3 {
  margin: 1.5rem 0 0.55rem;
  font-size: 1.1rem;
}

.blog-prose ul,
.blog-prose ol {
  margin: 0 0 1.15rem;
  padding-left: 1.25rem;
}

.blog-prose li {
  margin-bottom: 0.4rem;
}

.blog-prose a {
  color: var(--blog-primary);
  font-weight: 600;
}

.blog-prose strong {
  color: var(--blog-ink);
}

.blog-callout {
  margin: 1.75rem 0;
  padding: 1.15rem 1.25rem;
  background: var(--blog-soft);
  border-left: 3px solid var(--blog-primary);
}

.blog-callout p {
  margin: 0;
  font-size: 0.98rem;
}

.blog-article-cta {
  margin-top: 2.5rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, #f5f7fb, #eef2f9);
  border: 1px solid var(--blog-line);
}

.blog-article-cta h2 {
  margin: 0 0 0.4rem;
  font-size: 1.2rem;
}

.blog-article-cta p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
}

.blog-article-cta .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.blog-article-cta .btn-primary,
.blog-article-cta .btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 6px;
}

.blog-article-cta .btn-primary {
  background: var(--blog-primary);
  color: #fff;
}

.blog-article-cta .btn-primary:hover {
  background: #1a52c7;
}

.blog-article-cta .btn-ghost {
  background: #fff;
  color: var(--blog-ink);
  border: 1px solid var(--blog-line);
}

.blog-related {
  margin-top: 2.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--blog-line);
}

.blog-related h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

.blog-related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.blog-related-list a {
  color: var(--blog-ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.35;
}

.blog-related-list a:hover {
  color: var(--blog-primary);
}

.blog-related-list span {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blog-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.15rem;
}

.blog-article-footer {
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--blog-line);
  font-size: 0.85rem;
  text-align: center;
}

.blog-article-footer a {
  color: var(--blog-muted);
  text-decoration: none;
}

.blog-article-footer a:hover {
  color: var(--blog-primary);
}

@media (max-width: 900px) {
  .blog-index-grid {
    grid-template-columns: 1fr;
  }

  .blog-aside {
    position: static;
    order: 2;
  }

  .blog-featured {
    grid-template-columns: 1fr;
  }

  .blog-post-row {
    grid-template-columns: 1fr;
  }

  .blog-post-date {
    padding-top: 0;
  }
}

@media (max-width: 576px) {
  .blog-topbar-links a:not(.keep) {
    display: none;
  }

  .blog-topbar-links a.keep {
    display: inline;
  }
}