/* ==========================================================================
   KEYRANK — Blog Listing & Detail Pages
   File: assets/css/blog.css
   Prefix: kr-bl-  |  Vars: --bl-
   ========================================================================== */

:root {
  --bl-red:     #e63b2c;
  --bl-navy:    #0f172a;
  --bl-body:    #334155;
  --bl-muted:   #64748b;
  --bl-border:  #e2e8f0;
  --bl-bg:      #f8fafc;
  --bl-white:   #ffffff;
  --bl-ease:    cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   SHARED PAGE HERO BANNER
   ========================================================================== */
.kr-bl-hero {
  background: var(--bl-navy);
  padding: 7rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.kr-bl-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.kr-bl-hero::after {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230,59,44,0.12) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.kr-bl-hero-inner { position: relative; z-index: 1; }

.kr-bl-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--bl-red);
  padding: 4px 14px;
  border-radius: 999px;
  border: 1px solid rgba(230,59,44,0.3);
  background: rgba(230,59,44,0.08);
  margin-bottom: 1rem;
}

.kr-bl-hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.kr-bl-hero-title span {
  background: linear-gradient(135deg, #e63b2c, #ff5640);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.kr-bl-hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  max-width: 520px;
}

/* Breadcrumb */
.kr-bl-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  flex-wrap: wrap;
}

.kr-bl-breadcrumb a {
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: color 0.2s ease;
}

.kr-bl-breadcrumb a:hover { color: #fff; }
.kr-bl-breadcrumb-sep { color: rgba(255,255,255,0.2); font-size: 0.7rem; }
.kr-bl-breadcrumb-current { color: rgba(255,255,255,0.7); }

/* ==========================================================================
   BLOG LISTING PAGE
   ========================================================================== */
.kr-bl-listing {
  padding: 5rem 0 6rem;
  background: var(--bl-bg);
}

/* Search bar */
.kr-bl-search-form {
  max-width: 480px;
}

.kr-bl-search-wrap {
  position: relative;
}

.kr-bl-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--bl-muted);
  font-size: 0.95rem;
  pointer-events: none;
}

.kr-bl-search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border: 1.5px solid var(--bl-border);
  border-radius: 999px;
  background: var(--bl-white);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--bl-navy);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.kr-bl-search-input:focus {
  border-color: var(--bl-red);
  box-shadow: 0 0 0 3px rgba(230,59,44,0.1);
}

.kr-bl-search-input::placeholder { color: #94a3b8; }

/* Blog card grid */
.kr-bl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Blog card */
.kr-bl-card {
  background: var(--bl-white);
  border: 1px solid var(--bl-border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: transform 0.28s var(--bl-ease),
              box-shadow 0.28s var(--bl-ease),
              border-color 0.28s var(--bl-ease);
}

.kr-bl-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(15,23,42,0.1);
  border-color: rgba(230,59,44,0.25);
}

.kr-bl-card-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bl-navy);
  flex-shrink: 0;
}

.kr-bl-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--bl-ease);
}

.kr-bl-card:hover .kr-bl-card-img { transform: scale(1.05); }

.kr-bl-card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: rgba(255,255,255,0.12);
  font-size: 2.5rem;
}

.kr-bl-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.kr-bl-card-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--bl-muted);
  margin-bottom: 0.6rem;
}

.kr-bl-card-date i { font-size: 0.8rem; color: var(--bl-red); }

.kr-bl-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--bl-navy);
  line-height: 1.35;
  margin-bottom: 0.6rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kr-bl-card:hover .kr-bl-card-title { color: var(--bl-red); }

.kr-bl-card-desc {
  font-size: 0.875rem;
  color: var(--bl-body);
  line-height: 1.65;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1.1rem;
}

.kr-bl-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  border-top: 1px solid var(--bl-border);
  margin-top: auto;
}

.kr-bl-read-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--bl-red);
  text-decoration: none;
  transition: gap 0.2s ease;
}

.kr-bl-card:hover .kr-bl-read-more { gap: 9px; }

/* Pagination */
.kr-bl-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 3.5rem;
  flex-wrap: wrap;
}

.kr-bl-page-btn {
  min-width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1.5px solid var(--bl-border);
  background: var(--bl-white);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--bl-muted);
  text-decoration: none;
  padding: 0 10px;
  transition: all 0.2s var(--bl-ease);
}

.kr-bl-page-btn:hover {
  border-color: var(--bl-red);
  color: var(--bl-red);
  background: rgba(230,59,44,0.05);
}

.kr-bl-page-btn.is-active {
  background: var(--bl-red);
  border-color: var(--bl-red);
  color: #fff;
  box-shadow: 0 4px 12px rgba(230,59,44,0.3);
}

.kr-bl-page-btn.is-disabled {
  opacity: 0.38;
  pointer-events: none;
}

/* Empty state */
.kr-bl-empty {
  text-align: center;
  padding: 4rem 1rem;
  grid-column: 1 / -1;
}

.kr-bl-empty-icon {
  font-size: 3rem;
  color: var(--bl-border);
  margin-bottom: 1rem;
}

.kr-bl-empty-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--bl-navy);
  margin-bottom: 0.4rem;
}

.kr-bl-empty-text {
  font-size: 0.9rem;
  color: var(--bl-muted);
}

/* ==========================================================================
   BLOG DETAIL PAGE
   ========================================================================== */
.kr-bl-detail {
  padding: 5rem 0 6rem;
  background: var(--bl-white);
}

/* Featured image */
.kr-bl-detail-img-wrap {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  border-radius: 16px;
  margin-bottom: 3rem;
  background: var(--bl-navy);
}

.kr-bl-detail-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Article layout */
.kr-bl-article {
  max-width: 780px;
}

.kr-bl-article-title {
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  font-weight: 900;
  color: var(--bl-navy);
  line-height: 1.15;
  letter-spacing: -0.8px;
  margin-bottom: 1.25rem;
}

.kr-bl-article-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--bl-border);
}

.kr-bl-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--bl-muted);
}

.kr-bl-meta-item i { color: var(--bl-red); font-size: 0.85rem; }

/* Blog content body — Summernote output */
.kr-bl-content {
  font-size: 1.0625rem;
  color: var(--bl-body);
  line-height: 1.82;
}

.kr-bl-content h1,
.kr-bl-content h2,
.kr-bl-content h3,
.kr-bl-content h4 {
  font-weight: 800;
  color: var(--bl-navy);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.3px;
}

.kr-bl-content h2 { font-size: 1.625rem; }
.kr-bl-content h3 { font-size: 1.35rem; }
.kr-bl-content h4 { font-size: 1.15rem; }

.kr-bl-content p { margin-bottom: 1.25rem; }

.kr-bl-content a {
  color: var(--bl-red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.kr-bl-content a:hover { color: #c42e1f; }

.kr-bl-content img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin: 1.5rem 0;
}

.kr-bl-content ul,
.kr-bl-content ol {
  padding-left: 1.75rem;
  margin-bottom: 1.25rem;
}

.kr-bl-content li { margin-bottom: 0.4rem; }

.kr-bl-content blockquote {
  border-left: 4px solid var(--bl-red);
  background: rgba(230,59,44,0.04);
  padding: 1rem 1.5rem;
  border-radius: 0 10px 10px 0;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--bl-navy);
}

.kr-bl-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9375rem;
}

.kr-bl-content th,
.kr-bl-content td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--bl-border);
  text-align: left;
}

.kr-bl-content th {
  background: var(--bl-bg);
  font-weight: 700;
  color: var(--bl-navy);
}

.kr-bl-content pre,
.kr-bl-content code {
  background: #1e293b;
  color: #e2e8f0;
  border-radius: 8px;
  font-size: 0.875rem;
}

.kr-bl-content pre { padding: 1.25rem; overflow-x: auto; }
.kr-bl-content code { padding: 2px 6px; }

/* Sidebar */
.kr-bl-sidebar {
  position: sticky;
  top: 100px;
}

.kr-bl-sidebar-card {
  background: var(--bl-bg);
  border: 1px solid var(--bl-border);
  border-radius: 14px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.kr-bl-sidebar-title {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bl-red);
  margin-bottom: 1.1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Recent post item */
.kr-bl-recent-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--bl-border);
  text-decoration: none;
  transition: all 0.2s ease;
}

.kr-bl-recent-item:last-child { border-bottom: none; }

.kr-bl-recent-item:hover .kr-bl-recent-title { color: var(--bl-red); }

.kr-bl-recent-thumb {
  width: 60px;
  height: 48px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
  background: var(--bl-navy);
}

.kr-bl-recent-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--bl-navy);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}

.kr-bl-recent-date {
  font-size: 0.7rem;
  color: var(--bl-muted);
  margin-top: 3px;
}

/* Back button */
.kr-bl-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--bl-muted);
  text-decoration: none;
  transition: all 0.2s ease;
  margin-bottom: 2rem;
}

.kr-bl-back-btn:hover {
  color: var(--bl-navy);
  gap: 4px;
}

/* Share bar */
.kr-bl-share {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 1.5rem 0;
  margin-top: 2.5rem;
  border-top: 1px solid var(--bl-border);
}

.kr-bl-share-label {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--bl-muted);
}

.kr-bl-share-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1.5px solid var(--bl-border);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--bl-muted);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.kr-bl-share-btn:hover {
  border-color: var(--bl-red);
  color: var(--bl-red);
  background: rgba(230,59,44,0.06);
}

/* CTA block at bottom of detail */
.kr-bl-detail-cta {
  background: var(--bl-navy);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  text-align: center;
  margin-top: 4rem;
  position: relative;
  overflow: hidden;
}

.kr-bl-detail-cta::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230,59,44,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.kr-bl-detail-cta-title {
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 0.6rem;
}

.kr-bl-detail-cta-text {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 1.5rem;
}

.kr-bl-detail-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.8rem 2rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #e63b2c, #ff5640);
  color: #fff;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(230,59,44,0.38);
  transition: all 0.22s ease;
  position: relative;
  z-index: 1;
}

.kr-bl-detail-cta-btn:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(230,59,44,0.5);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1199.98px) {
  .kr-bl-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 991.98px) {
  .kr-bl-hero { padding: 5rem 0 3.5rem; }
  .kr-bl-sidebar { position: static; margin-top: 3rem; }
}

@media (max-width: 767.98px) {
  .kr-bl-grid { grid-template-columns: 1fr; }
  .kr-bl-hero { padding: 4rem 0 3rem; }
  .kr-bl-detail-img-wrap { max-height: 300px; border-radius: 12px; }
  .kr-bl-detail-cta { padding: 2rem 1.5rem; }
}

@media (max-width: 575.98px) {
  .kr-bl-hero-title { letter-spacing: -0.5px; }
  .kr-bl-article-title { letter-spacing: -0.3px; }
  .kr-bl-detail-cta { padding: 1.75rem 1.25rem; }
}

/* Overflow guard */
.kr-bl-content, .kr-bl-content * { max-width: 100%; }