/* ===================================================
   TUSZCOM — Blog CSS
   =================================================== */

/* ── Breadcrumb ── */
.blog-breadcrumb {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  margin-top: 72px;
}
.blog-breadcrumb nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: var(--text-3);
}
.blog-breadcrumb a { color: var(--text-3); text-decoration: none; }
.blog-breadcrumb a:hover { color: var(--accent); }
.blog-breadcrumb span:last-child { color: var(--text-2); }

/* ── Article Hero ── */
.blog-hero {
  padding: 72px 0 56px;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,196,232,.10) 0%, transparent 70%);
  border-bottom: 1px solid var(--border);
}
.blog-hero-inner { max-width: 820px; margin: 0 auto; }

.blog-meta-top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.blog-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .04em;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(0,196,232,.25);
}
.blog-tag--industry { background: var(--orange-dim); color: var(--orange); border-color: rgba(249,115,22,.25); }
.blog-tag--mes      { background: var(--green-dim);  color: var(--green);  border-color: rgba(74,222,128,.25); }

.blog-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-1);
  margin-bottom: 24px;
  letter-spacing: -.02em;
}
.blog-title-accent {
  background: linear-gradient(135deg, var(--accent), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.blog-lead {
  font-size: 1.1rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 740px;
}

.blog-author-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.blog-author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--green));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: .85rem;
  color: #000;
  flex-shrink: 0;
}
.blog-author-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.blog-author-info strong { font-size: .9rem; color: var(--text-1); }
.blog-author-info span  { font-size: .8rem; color: var(--text-3); }
.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: var(--text-3);
  margin-left: auto;
}

/* ── Layout ── */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 56px;
  align-items: start;
  padding: 64px 0 96px;
  max-width: 1100px;
  margin: 0 auto;
}
@media (max-width: 900px) {
  .blog-layout { grid-template-columns: 1fr; gap: 40px; }
}

/* ── Content ── */
.blog-content { min-width: 0; }

.blog-section {
  margin-bottom: 56px;
}
.blog-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 20px;
  letter-spacing: -.02em;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.blog-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-1);
  margin: 28px 0 14px;
}
.blog-section p {
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 1rem;
}
.blog-section p em { color: var(--text-1); font-style: italic; }
.blog-section p strong { color: var(--text-1); }

/* ── Figure / SVG ── */
.blog-figure {
  margin: 32px 0;
}
.blog-svg {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  display: block;
}
.blog-figure figcaption {
  text-align: center;
  font-size: .8rem;
  color: var(--text-3);
  margin-top: 10px;
}

/* ── Callout ── */
.blog-callout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 28px 0;
}
.blog-callout--problem { border-left: 3px solid var(--red); }
.blog-callout--win     { border-left: 3px solid var(--green); }
.blog-callout-icon { font-size: 1.5rem; flex-shrink: 0; line-height: 1; }
.blog-callout strong { display: block; color: var(--text-1); font-size: 1rem; margin-bottom: 6px; }
.blog-callout p { color: var(--text-2); font-size: .9rem; line-height: 1.6; margin: 0; }

/* ── Highlight ── */
.blog-highlight {
  background: linear-gradient(135deg, rgba(0,196,232,.07), rgba(74,222,128,.07));
  border: 1px solid rgba(0,196,232,.2);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 28px 0;
}
.blog-highlight p { color: var(--text-2); line-height: 1.75; margin: 0; }
.blog-highlight strong { color: var(--text-1); }

/* ── Steps ── */
.blog-steps { display: flex; flex-direction: column; gap: 16px; margin: 24px 0; }
.blog-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
}
.blog-step-n {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--green));
  color: #000;
  font-weight: 800;
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.blog-step-body strong { display: block; color: var(--text-1); margin-bottom: 8px; font-size: .95rem; }
.blog-step-body p { color: var(--text-2); font-size: .9rem; line-height: 1.65; margin: 0; }
kbd {
  display: inline-block;
  background: var(--bg-2);
  border: 1px solid var(--border-h);
  border-radius: 5px;
  padding: 1px 7px;
  font-family: var(--font);
  font-size: .82rem;
  color: var(--accent);
}

/* ── ROI Grid ── */
.blog-roi-grid {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 28px 0;
  flex-wrap: wrap;
}
.blog-roi-card {
  flex: 1;
  min-width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.blog-roi-card--before { border-top: 3px solid var(--red); }
.blog-roi-card--after  { border-top: 3px solid var(--green); }
.blog-roi-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--text-3);
  margin-bottom: 14px;
}
.blog-roi-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: .88rem;
}
.blog-roi-row span { color: var(--text-3); }
.blog-roi-row strong { color: var(--text-2); }
.blog-roi-total strong { color: var(--text-1); font-size: 1.05rem; }
.blog-roi-arrow {
  font-size: 2rem;
  color: var(--accent);
  flex-shrink: 0;
}
@media (max-width: 600px) {
  .blog-roi-arrow { transform: rotate(90deg); width: 100%; text-align: center; }
}

/* ── Benefits ── */
.blog-benefits { display: flex; flex-direction: column; gap: 16px; margin: 24px 0; }
.blog-benefit {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.blog-benefit-icon { flex-shrink: 0; margin-top: 2px; }
.blog-benefit strong { display: block; color: var(--text-1); margin-bottom: 4px; font-size: .95rem; }
.blog-benefit p { color: var(--text-2); font-size: .88rem; line-height: 1.65; margin: 0; }

/* ── Quote ── */
.blog-quote {
  border-left: 3px solid var(--accent);
  padding: 20px 28px;
  margin: 40px 0;
  background: var(--accent-dim);
  border-radius: 0 12px 12px 0;
}
.blog-quote p {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text-1);
  line-height: 1.7;
  margin: 0 0 10px;
}
.blog-quote cite { font-size: .85rem; color: var(--text-3); font-style: normal; }

/* ── CTA ── */
.blog-cta {
  background: linear-gradient(135deg, rgba(0,196,232,.08), rgba(74,222,128,.08));
  border: 1px solid rgba(0,196,232,.2);
  border-radius: 16px;
  padding: 36px 40px;
  margin: 40px 0;
  text-align: center;
}
.blog-cta h3 { font-size: 1.3rem; font-weight: 700; color: var(--text-1); margin-bottom: 12px; }
.blog-cta p  { color: var(--text-2); font-size: .95rem; line-height: 1.7; }

/* ── Tags ── */
.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: .85rem;
}
.blog-tags span { color: var(--text-3); }
.blog-tags a {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-3);
  text-decoration: none;
  font-size: .8rem;
  transition: all .2s;
}
.blog-tags a:hover { border-color: var(--accent); color: var(--accent); }

/* ── Sidebar ── */
.blog-sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 90px; }
.blog-sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}
.blog-sidebar-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--green));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #000;
  font-size: .9rem;
}
.blog-sidebar-card strong { color: var(--text-1); font-size: .95rem; }
.blog-sidebar-card p { color: var(--text-3); font-size: .82rem; line-height: 1.6; }

.blog-sidebar-toc {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}
.blog-sidebar-toc strong { display: block; color: var(--text-1); font-size: .88rem; margin-bottom: 14px; }
.blog-sidebar-toc ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.blog-sidebar-toc a {
  font-size: .82rem;
  color: var(--text-3);
  text-decoration: none;
  display: block;
  padding: 4px 0;
  border-left: 2px solid var(--border);
  padding-left: 10px;
  transition: all .2s;
}
.blog-sidebar-toc a:hover { color: var(--accent); border-color: var(--accent); }

/* ── Blog index page ── */
.blog-index-hero {
  padding: 96px 0 56px;
  text-align: center;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,196,232,.10) 0%, transparent 70%);
}
.blog-index-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: -.03em;
  margin-bottom: 16px;
}
.blog-index-sub { color: var(--text-3); font-size: 1.05rem; }

.blog-category-section { padding-top: 56px; }
.blog-category-section:last-child { padding-bottom: 96px; }
.blog-category-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-1);
  border-bottom: 2px solid var(--accent);
  display: inline-block;
  padding-bottom: 4px;
  margin-bottom: 28px;
}

.blog-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,196,232,.1);
}
.blog-card-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.blog-card-title { font-size: 1.15rem; font-weight: 700; color: var(--text-1); line-height: 1.4; }
.blog-card-excerpt { font-size: .88rem; color: var(--text-3); line-height: 1.65; }
.blog-card-meta {
  display: flex;
  justify-content: space-between;
  font-size: .78rem;
  color: var(--text-3);
  padding-top: 12px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.blog-card-read { color: var(--accent); font-weight: 600; }

/* ══════════════════════════════════════════
   RICH CONTENT COMPONENTS (v2)
   ══════════════════════════════════════════ */

/* ── H4 in blog sections ── */
.blog-section h4 { font-size:.95rem; font-weight:700; color:var(--text-1); margin:20px 0 10px; }

/* ── FAQ ── */
.blog-faq { margin:40px 0; }
.blog-faq-title { font-size:1.2rem; font-weight:700; color:var(--text-1); margin-bottom:20px; padding-bottom:12px; border-bottom:1px solid var(--border); }
.blog-faq-item { border:1px solid var(--border); border-radius:12px; margin-bottom:12px; overflow:hidden; }
.blog-faq-q { background:var(--bg-card); padding:16px 24px 16px 48px; font-weight:600; color:var(--text-1); font-size:.93rem; cursor:default; position:relative; line-height:1.45; }
.blog-faq-q::before { content:'Q'; position:absolute; left:18px; top:50%; transform:translateY(-50%); color:var(--accent); font-weight:800; font-size:.82rem; }
.blog-faq-a { padding:14px 24px 16px 48px; color:var(--text-2); font-size:.88rem; line-height:1.75; border-top:1px solid var(--border); }

/* ── Checklist ── */
.blog-checklist { list-style:none; margin:24px 0; display:flex; flex-direction:column; gap:10px; }
.blog-checklist li { display:flex; gap:12px; align-items:flex-start; padding:11px 16px; background:var(--bg-card); border:1px solid var(--border); border-radius:10px; font-size:.9rem; color:var(--text-2); line-height:1.55; }
.blog-checklist li::before { content:'✓'; color:var(--green); font-weight:800; font-size:1rem; flex-shrink:0; margin-top:1px; }
.blog-checklist li.warn::before { content:'⚠'; color:var(--yellow); }
.blog-checklist li.danger::before { content:'✗'; color:var(--red); }

/* ── Table ── */
.blog-table-wrap { overflow-x:auto; margin:28px 0; border-radius:12px; border:1px solid var(--border); }
.blog-table { width:100%; border-collapse:collapse; font-size:.87rem; }
.blog-table th { background:rgba(0,196,232,.07); color:var(--text-1); font-weight:700; padding:12px 16px; text-align:left; border-bottom:2px solid var(--border); white-space:nowrap; }
.blog-table td { padding:11px 16px; color:var(--text-2); border-bottom:1px solid var(--border); vertical-align:top; line-height:1.5; }
.blog-table tr:last-child td { border-bottom:none; }
.blog-table tbody tr:hover td { background:var(--bg-card); }
.blog-table .td-good { color:var(--green); font-weight:600; }
.blog-table .td-bad  { color:var(--red);   font-weight:600; }
.blog-table .td-warn { color:var(--yellow); font-weight:600; }

/* ── Timeline ── */
.blog-timeline { position:relative; padding-left:38px; margin:28px 0; }
.blog-timeline::before { content:''; position:absolute; left:11px; top:8px; bottom:8px; width:2px; background:linear-gradient(to bottom, var(--accent), var(--green)); border-radius:2px; }
.blog-timeline-item { position:relative; margin-bottom:28px; }
.blog-timeline-item:last-child { margin-bottom:0; }
.blog-timeline-item::before { content:''; position:absolute; left:-31px; top:5px; width:14px; height:14px; border-radius:50%; background:var(--accent); border:3px solid var(--bg-0); box-shadow:0 0 0 2px var(--accent); }
.blog-timeline-item h4 { font-size:.95rem; font-weight:700; color:var(--text-1); margin-bottom:8px; }
.blog-timeline-item p { font-size:.88rem; color:var(--text-2); line-height:1.65; margin:0; }

/* ── Alert boxes ── */
.blog-warning,.blog-tip,.blog-success,.blog-info { display:flex; gap:14px; align-items:flex-start; border-radius:12px; padding:16px 20px; margin:24px 0; }
.blog-warning { background:rgba(248,113,113,.08); border:1px solid rgba(248,113,113,.3); }
.blog-tip     { background:rgba(251,191,36,.08);  border:1px solid rgba(251,191,36,.3); }
.blog-success { background:rgba(74,222,128,.08);  border:1px solid rgba(74,222,128,.3); }
.blog-info    { background:var(--accent-dim);      border:1px solid rgba(0,196,232,.3); }
.blog-warning strong { color:var(--red); display:block; margin-bottom:4px; font-size:.92rem; }
.blog-tip strong     { color:var(--yellow); display:block; margin-bottom:4px; font-size:.92rem; }
.blog-success strong { color:var(--green); display:block; margin-bottom:4px; font-size:.92rem; }
.blog-info strong    { color:var(--accent); display:block; margin-bottom:4px; font-size:.92rem; }
.blog-warning p,.blog-tip p,.blog-success p,.blog-info p { color:var(--text-2); font-size:.88rem; line-height:1.65; margin:0; }
.blog-alert-icon { font-size:1.3rem; flex-shrink:0; line-height:1.2; }

/* ── Stat grid ── */
.blog-stat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(145px,1fr)); gap:14px; margin:28px 0; }
.blog-stat { background:var(--bg-card); border:1px solid var(--border); border-radius:12px; padding:20px 16px; text-align:center; }
.blog-stat-value { font-size:1.9rem; font-weight:800; color:var(--accent); letter-spacing:-.03em; line-height:1.1; margin-bottom:8px; }
.blog-stat-label { font-size:.78rem; color:var(--text-3); line-height:1.4; }
.blog-stat--green  .blog-stat-value { color:var(--green); }
.blog-stat--orange .blog-stat-value { color:var(--orange); }
.blog-stat--red    .blog-stat-value { color:var(--red); }
.blog-stat--yellow .blog-stat-value { color:var(--yellow); }

/* ── Related articles ── */
.blog-related { background:var(--bg-card); border:1px solid var(--border); border-radius:16px; padding:28px; margin:40px 0; }
.blog-related h3 { font-size:1rem; font-weight:700; color:var(--text-1); margin-bottom:16px; }
.blog-related ul { list-style:none; display:flex; flex-direction:column; gap:0; }
.blog-related ul li a { display:flex; align-items:center; gap:12px; font-size:.88rem; color:var(--text-2); text-decoration:none; padding:10px 0; border-bottom:1px solid var(--border); transition:color .2s; }
.blog-related ul li:last-child a { border-bottom:none; }
.blog-related ul li a:hover { color:var(--accent); }
.blog-related ul li a::before { content:'→'; color:var(--accent); font-size:.85rem; flex-shrink:0; }

/* ── Process flow ── */
.blog-process { display:flex; align-items:center; gap:8px; margin:28px 0; flex-wrap:wrap; }
.blog-process-step { background:var(--bg-card); border:1px solid var(--border); border-radius:10px; padding:12px 16px; text-align:center; flex:1; min-width:100px; }
.blog-process-step span { display:block; font-size:.7rem; color:var(--text-3); margin-bottom:4px; }
.blog-process-step strong { font-size:.85rem; color:var(--text-1); line-height:1.3; display:block; }
.blog-process-arrow { color:var(--accent); font-size:1.4rem; flex-shrink:0; }
@media (max-width:580px) { .blog-process { flex-direction:column; } .blog-process-arrow { transform:rotate(90deg); } }

/* ── Compare columns ── */
.blog-compare { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:28px 0; }
.blog-compare-col { background:var(--bg-card); border:1px solid var(--border); border-radius:12px; padding:20px; }
.blog-compare-col.bad  { border-top:3px solid var(--red); }
.blog-compare-col.good { border-top:3px solid var(--green); }
.blog-compare-col h4 { font-size:.82rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; margin-bottom:14px; }
.blog-compare-col.bad  h4 { color:var(--red); }
.blog-compare-col.good h4 { color:var(--green); }
.blog-compare-col ul { list-style:none; display:flex; flex-direction:column; gap:8px; }
.blog-compare-col ul li { font-size:.85rem; color:var(--text-2); line-height:1.5; padding-left:20px; position:relative; }
.blog-compare-col.bad  ul li::before { content:'✗'; position:absolute; left:0; color:var(--red); }
.blog-compare-col.good ul li::before { content:'✓'; position:absolute; left:0; color:var(--green); }
@media (max-width:540px) { .blog-compare { grid-template-columns:1fr; } }

/* ── Numbered list ── */
.blog-numlist { counter-reset:nl; list-style:none; margin:24px 0; display:flex; flex-direction:column; gap:12px; }
.blog-numlist li { counter-increment:nl; display:flex; gap:16px; align-items:flex-start; color:var(--text-2); font-size:.95rem; line-height:1.65; }
.blog-numlist li::before { content:counter(nl); min-width:28px; height:28px; border-radius:50%; background:var(--accent-dim); color:var(--accent); font-weight:700; font-size:.82rem; display:flex; align-items:center; justify-content:center; flex-shrink:0; margin-top:1px; }