/* ============================================================
   InstafyHub — Blog Stylesheet
   File: /blog/assets/blog.css
   ============================================================ */

/* ── Reset / Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-primary:   #7C3AED;
  --clr-primary-d: #6D28D9;
  --clr-accent:    #F59E0B;
  --clr-bg:        #F9FAFB;
  --clr-surface:   #FFFFFF;
  --clr-border:    #E5E7EB;
  --clr-text:      #111827;
  --clr-muted:     #6B7280;
  --clr-link:      #7C3AED;
  --radius:        12px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.08);
  --shadow-md:     0 4px 16px rgba(0,0,0,.10);
  --font:          'Inter', system-ui, sans-serif;
  --max-w:         1200px;
}

body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  font-size: 1rem;
}

a { color: var(--clr-link); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; height: auto; }

/* ── Container ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: .6rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  border: none;
  transition: background .2s, transform .1s;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--clr-primary); color: #fff; }
.btn-primary:hover { background: var(--clr-primary-d); }
.btn-block { display: block; text-align: center; }

/* ── Blog Main ───────────────────────────────────────────── */
.blog-main { padding-bottom: 4rem; }

/* ── Blog Hero ───────────────────────────────────────────── */
.blog-hero {
  background: linear-gradient(135deg, #7C3AED 0%, #4F46E5 100%);
  color: #fff;
  padding: 4rem 0 3rem;
  text-align: center;
  margin-bottom: 3rem;
}
.blog-hero__badge {
  display: inline-block;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 20px;
  padding: .3rem 1rem;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: .5px;
}
.blog-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: .75rem;
}
.blog-hero p {
  font-size: 1.05rem;
  opacity: .88;
  max-width: 560px;
  margin: 0 auto;
}

/* ── Blog Layout ─────────────────────────────────────────── */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 900px) {
  .blog-layout { grid-template-columns: 1fr; }
}

/* ── Blog Grid ───────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
}

/* ── Blog Card ───────────────────────────────────────────── */
.blog-card {
  background: var(--clr-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  transition: box-shadow .25s, transform .25s;
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.blog-card--featured {
  grid-column: 1 / -1;
  flex-direction: row;
}
.blog-card--featured .blog-card__img-wrap { flex: 0 0 50%; }
.blog-card--featured .blog-card__body     { padding: 2rem; }
@media (max-width: 700px) {
  .blog-card--featured { flex-direction: column; }
  .blog-card--featured .blog-card__img-wrap { flex: unset; }
}

.blog-card__img-wrap {
  display: block;
  overflow: hidden;
  aspect-ratio: 16/9;
}
.blog-card__img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .35s;
}
.blog-card:hover .blog-card__img-wrap img { transform: scale(1.04); }

.blog-card__img-placeholder {
  background: linear-gradient(135deg, #EDE9FE, #DDD6FE);
  display: flex; align-items: center; justify-content: center;
}
.placeholder-icon { font-size: 2.5rem; }

.blog-card__body {
  padding: 1.25rem 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.blog-card__cat {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--clr-primary);
  margin-bottom: .5rem;
  display: block;
}
.blog-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: .6rem;
}
.blog-card__title a { color: var(--clr-text); }
.blog-card__title a:hover { color: var(--clr-primary); text-decoration: none; }
.blog-card__excerpt {
  color: var(--clr-muted);
  font-size: .9rem;
  line-height: 1.6;
  margin-bottom: .9rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .9rem;
  font-size: .78rem;
  color: var(--clr-muted);
  margin-bottom: 1rem;
  margin-top: auto;
}
.blog-card__read-more {
  font-size: .88rem;
  font-weight: 600;
  color: var(--clr-primary);
  align-self: flex-start;
}
.blog-card__read-more:hover { text-decoration: underline; }

/* ── Pagination ──────────────────────────────────────────── */
.pagination { margin-top: 2.5rem; }
.pagination ul {
  display: flex; flex-wrap: wrap; gap: .5rem;
  list-style: none; justify-content: center;
}
.pagination li a {
  display: inline-block;
  padding: .45rem .95rem;
  border-radius: 8px;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  color: var(--clr-text);
  font-size: .9rem;
  font-weight: 500;
  transition: all .2s;
}
.pagination li.active a,
.pagination li a:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #fff;
  text-decoration: none;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.blog-sidebar { position: sticky; top: 1.5rem; }
.sidebar-widget {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.4rem;
  margin-bottom: 1.5rem;
}
.sidebar-widget h3 {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--clr-text);
  text-transform: uppercase;
  letter-spacing: .5px;
  font-size: .78rem;
}
.sidebar-search {
  display: flex; gap: .5rem;
}
.sidebar-search input {
  flex: 1;
  padding: .5rem .75rem;
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  font-family: var(--font);
  font-size: .9rem;
  outline: none;
}
.sidebar-search input:focus { border-color: var(--clr-primary); }
.sidebar-search button {
  padding: .5rem .9rem;
  background: var(--clr-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
}
.sidebar-cats { list-style: none; display: flex; flex-direction: column; gap: .4rem; }
.sidebar-cats li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .4rem .6rem;
  border-radius: 6px;
  color: var(--clr-text);
  font-size: .9rem;
  transition: background .2s;
}
.sidebar-cats li a:hover { background: #F3F4F6; text-decoration: none; }
.cat-count {
  background: #EDE9FE;
  color: var(--clr-primary);
  border-radius: 12px;
  padding: .1rem .55rem;
  font-size: .75rem;
  font-weight: 600;
}
.sidebar-cta { background: linear-gradient(135deg, #7C3AED, #4F46E5); color: #fff; border: none; }
.sidebar-cta h3 { color: #fff; }
.sidebar-cta p { font-size: .9rem; opacity: .9; margin-bottom: 1.1rem; }

/* ── Single Post ─────────────────────────────────────────── */
.single-post-container { padding-top: 2rem; padding-bottom: 4rem; }

.breadcrumb { margin-bottom: 1.5rem; }
.breadcrumb ol {
  display: flex; flex-wrap: wrap; gap: .35rem;
  list-style: none;
  font-size: .82rem;
  color: var(--clr-muted);
}
.breadcrumb li::after { content: '/'; margin-left: .35rem; color: var(--clr-border); }
.breadcrumb li:last-child::after { display: none; }
.breadcrumb a { color: var(--clr-muted); }
.breadcrumb a:hover { color: var(--clr-primary); }

.post-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 900px) {
  .post-layout { grid-template-columns: 1fr; }
  .post-sidebar { order: -1; }
}

/* Article */
.post-article {
  background: var(--clr-surface);
  border-radius: var(--radius);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.post-header { padding: 2rem 2.5rem 1.5rem; }
@media (max-width: 600px) { .post-header { padding: 1.5rem; } }

.post-cat-badge {
  display: inline-block;
  background: #EDE9FE;
  color: var(--clr-primary);
  border-radius: 20px;
  padding: .25rem .9rem;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 1rem;
}
.post-cat-badge:hover { background: var(--clr-primary); color: #fff; text-decoration: none; }

.post-header h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
}
.post-excerpt {
  font-size: 1.1rem;
  color: var(--clr-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .75rem;
  font-size: .85rem;
  color: var(--clr-muted);
  padding-top: 1rem;
  border-top: 1px solid var(--clr-border);
}
.post-meta__author { display: flex; align-items: center; gap: .55rem; font-weight: 600; color: var(--clr-text); }
.post-meta__avatar {
  width: 34px; height: 34px;
  border-radius: 50%; object-fit: cover;
}
.post-meta__avatar--placeholder {
  background: linear-gradient(135deg, #7C3AED, #4F46E5);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .9rem;
}
.post-meta__sep { color: var(--clr-border); }

.post-cover { width: 100%; aspect-ratio: 16/9; overflow: hidden; }
.post-cover img { width: 100%; height: 100%; object-fit: cover; }

/* Post body typography */
.post-body {
  padding: 2rem 2.5rem;
  font-size: 1.05rem;
  line-height: 1.85;
  color: #1F2937;
}
@media (max-width: 600px) { .post-body { padding: 1.5rem; } }
.post-body h2 { font-size: 1.45rem; font-weight: 700; margin: 2rem 0 .75rem; color: var(--clr-text); }
.post-body h3 { font-size: 1.15rem; font-weight: 700; margin: 1.5rem 0 .6rem; }
.post-body p  { margin-bottom: 1.25rem; }
.post-body ul, .post-body ol { margin: 1rem 0 1.25rem 1.5rem; }
.post-body li { margin-bottom: .5rem; }
.post-body a  { color: var(--clr-primary); text-decoration: underline; }
.post-body blockquote {
  border-left: 4px solid var(--clr-primary);
  background: #F5F3FF;
  padding: 1rem 1.5rem;
  border-radius: 0 8px 8px 0;
  margin: 1.5rem 0;
  font-style: italic;
  color: #374151;
}
.post-body img {
  border-radius: 10px;
  margin: 1.5rem auto;
  box-shadow: var(--shadow-sm);
}
.post-body code {
  background: #F3F4F6;
  padding: .15rem .4rem;
  border-radius: 4px;
  font-size: .9em;
  color: #7C3AED;
}
.post-body pre {
  background: #1F2937;
  color: #F9FAFB;
  padding: 1.25rem;
  border-radius: 10px;
  overflow-x: auto;
  margin: 1.5rem 0;
}
.post-body pre code { background: none; color: inherit; padding: 0; }
.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: .95rem;
}
.post-body th, .post-body td {
  border: 1px solid var(--clr-border);
  padding: .6rem .9rem;
  text-align: left;
}
.post-body th { background: #F9FAFB; font-weight: 700; }

/* Share bar */
.post-share {
  padding: 1.5rem 2.5rem;
  border-top: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
  font-weight: 600;
  font-size: .9rem;
  color: var(--clr-muted);
}
@media (max-width: 600px) { .post-share { padding: 1.25rem 1.5rem; } }
.share-btn {
  display: inline-block;
  padding: .4rem 1rem;
  border-radius: 8px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  color: var(--clr-text);
  transition: all .2s;
}
.share-btn:hover { text-decoration: none; opacity: .85; }
.share-btn--twitter  { background: #000; color: #fff; border-color: #000; }
.share-btn--facebook { background: #1877F2; color: #fff; border-color: #1877F2; }
.share-btn--linkedin { background: #0A66C2; color: #fff; border-color: #0A66C2; }
.share-btn--copy     { font-family: var(--font); }

/* Author bio */
.author-bio {
  display: flex; gap: 1.25rem; align-items: flex-start;
  padding: 1.75rem 2.5rem;
  border-top: 1px solid var(--clr-border);
  background: #F9FAFB;
}
@media (max-width: 600px) { .author-bio { padding: 1.25rem 1.5rem; flex-direction: column; } }
.author-bio__avatar {
  width: 56px; height: 56px;
  border-radius: 50%; object-fit: cover; flex-shrink: 0;
}
.author-bio__avatar--placeholder {
  background: linear-gradient(135deg, #7C3AED, #4F46E5);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.2rem;
}
.author-bio strong { display: block; margin-bottom: .35rem; }
.author-bio p { font-size: .9rem; color: var(--clr-muted); margin: 0; }

/* Post sidebar */
.post-sidebar { position: static; }

/* Related posts */
.related-posts { margin-top: 3rem; }
.related-posts h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 1.5rem; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}
.related-card {
  background: var(--clr-surface);
  border-radius: var(--radius);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
}
.related-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.related-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.related-card__body { padding: 1rem 1.25rem 1.25rem; }
.related-card__body h3 { font-size: .95rem; font-weight: 600; margin-bottom: .35rem; line-height: 1.4; }
.related-card__body h3 a { color: var(--clr-text); }
.related-card__body h3 a:hover { color: var(--clr-primary); text-decoration: none; }
.related-card__body time { font-size: .8rem; color: var(--clr-muted); }

/* Empty state */
.empty-state {
  text-align: center; padding: 4rem 1rem;
  color: var(--clr-muted); font-size: 1.05rem;
}

.blog-hero__badge {
  background: rgba(255, 255, 255, 0.15);
}

.sidebar-search button {
  border: 0;
  border-radius: 8px;
  background: var(--clr-primary);
  color: #fff;
  padding: 0.65rem 0.85rem;
  font-weight: 700;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  color: var(--clr-muted);
  margin-top: 1rem;
}

.post-meta__sep {
  opacity: 0.6;
}

.post-cover {
  margin: 1.5rem 0;
}

.post-cover img {
  border-radius: var(--radius);
  width: 100%;
  object-fit: cover;
}

.post-body {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.post-body h2,
.post-body h3,
.post-body h4 {
  margin: 1.5rem 0 0.75rem;
}

.post-body p,
.post-body ul,
.post-body ol,
.post-body blockquote {
  margin-bottom: 1rem;
}

.post-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 2rem;
  align-items: start;
}

.single-post-container {
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.post-cat-badge {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--clr-primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.post-excerpt {
  color: var(--clr-muted);
  font-size: 1.05rem;
  margin-top: 0.75rem;
}

.author-bio {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  background: var(--clr-surface);
}

.related-posts {
  margin-top: 2.5rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.related-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.related-card__body {
  padding: 1rem;
}

.blog-hero p, .sidebar-cta p{
  color: #fff;
}

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