/* ============================================================
   POWERHOME — Blog index + article pages
   ============================================================ */

/* Blog Index Hero */
.blog-hero {
  background: linear-gradient(180deg, var(--surface-2), var(--bg));
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border);
}
.blog-hero-eyebrow {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--primary);
  margin-bottom: 14px;
}
.blog-hero-title {
  font-size: clamp(40px, 5.4vw, 64px);
  letter-spacing: -.03em;
  margin-bottom: 14px;
  line-height: 1.05;
}
.blog-hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 660px;
  line-height: 1.5;
}

/* Category filter chips */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
}
.blog-filter {
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
}
.blog-filter:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.blog-filter.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* Blog Index Grid */
.blog-index {
  padding: 56px 0 100px;
}
.blog-index-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.blog-index-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  height: 100%;
}
.blog-index-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.blog-index-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
}
.blog-index-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.blog-index-img svg { width: 100%; height: 100%; display: block; }
.blog-index-cat {
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #fff;
  padding: 6px 12px;
  border-radius: 999px;
}
.blog-index-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.blog-index-title {
  font-size: 20px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -.01em;
}
.blog-index-excerpt {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-muted);
  flex: 1;
}
.blog-index-meta {
  display: flex;
  gap: 16px;
  font-size: 12.5px;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

/* Featured (first article) */
.blog-index-card.featured {
  grid-column: span 2;
  grid-row: span 1;
}
.blog-index-card.featured .blog-index-img { height: 300px; }
.blog-index-card.featured .blog-index-title { font-size: 28px; }

@media (max-width: 1024px) {
  .blog-index-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-index-card.featured { grid-column: span 2; }
}
@media (max-width: 640px) {
  .blog-index-grid { grid-template-columns: 1fr; }
  .blog-index-card.featured { grid-column: span 1; }
  .blog-index-card.featured .blog-index-img { height: 200px; }
  .blog-index-card.featured .blog-index-title { font-size: 22px; }
}

/* ============================================================
   ARTICLE PAGE
   ============================================================ */
.article-hero {
  padding: 50px 0 36px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.article-breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.article-breadcrumb a {
  color: var(--text-muted);
  transition: color .2s;
}
.article-breadcrumb a:hover { color: var(--primary); }
.article-breadcrumb-sep { opacity: .5; }

.article-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: #fff;
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.article-title {
  font-size: clamp(34px, 4.8vw, 56px);
  letter-spacing: -.03em;
  line-height: 1.08;
  margin-bottom: 22px;
  max-width: 920px;
}

.article-lead {
  font-size: 19px;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 760px;
  margin-bottom: 28px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.article-meta .author {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--text);
}
.article-meta .author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-bright, #4ADE80));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
}
.article-meta-sep { opacity: .5; }

/* Hero image */
.article-hero-img {
  margin-top: 40px;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.article-hero-img svg { width: 100%; height: auto; display: block; max-height: 360px; }

/* Body */
.article-body {
  padding: 56px 0 80px;
}
.article-grid {
  display: grid;
  grid-template-columns: 260px 1fr 220px;
  gap: 48px;
  align-items: start;
}

.article-toc {
  position: sticky;
  top: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 22px;
}
.article-toc h4 {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.article-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.article-toc a {
  display: block;
  padding: 8px 12px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-muted);
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: color .2s, border-color .2s, background .2s;
  border-radius: 0 6px 6px 0;
  line-height: 1.4;
}
.article-toc a:hover {
  color: var(--text);
  border-color: var(--primary);
  background: var(--surface-2);
}

/* Article content */
.article-content {
  max-width: 760px;
  font-size: 17px;
  line-height: 1.75;
}
.article-content > p:first-child::first-letter {
  font-size: 3.8em;
  font-weight: 800;
  float: left;
  line-height: 0.9;
  margin: 6px 12px 0 0;
  color: var(--primary);
  font-family: inherit;
}
.article-content h2 {
  font-size: clamp(24px, 2.4vw, 30px);
  margin-top: 56px;
  margin-bottom: 16px;
  letter-spacing: -.02em;
  scroll-margin-top: 100px;
  line-height: 1.2;
}
.article-content h3 {
  font-size: 20px;
  margin-top: 32px;
  margin-bottom: 12px;
  letter-spacing: -.01em;
}
.article-content p {
  margin-bottom: 18px;
  color: var(--text);
}
.article-content p strong { color: var(--text); font-weight: 700; }
.article-content ul, .article-content ol {
  margin: 0 0 20px;
  padding-left: 24px;
}
.article-content li {
  line-height: 1.7;
  margin-bottom: 10px;
}
.article-content a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px solid currentColor;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0 28px;
  font-size: 14.5px;
  background: var(--surface);
  border-radius: var(--r-md);
  overflow: hidden;
}
.article-content th, .article-content td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.article-content th {
  background: var(--surface-2);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
}
.article-content tr:last-child td { border-bottom: none; }

/* Callouts */
.article-callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--r-md);
  padding: 22px 26px;
  margin: 28px 0;
  font-size: 16px;
  line-height: 1.65;
}
.article-callout strong { color: var(--primary); }
.article-callout.warn { border-left-color: #F59E0B; }
.article-callout.warn strong { color: #F59E0B; }
.article-callout.success { border-left-color: #0E8F5E; }
.article-callout.success strong { color: #0E8F5E; }

.article-content blockquote {
  border-left: 3px solid var(--primary);
  margin: 28px 0;
  padding: 6px 0 6px 26px;
  font-size: 19px;
  line-height: 1.5;
  font-style: italic;
  color: var(--text-muted);
}

/* Number list with big numerals (for "7 things" articles) */
.numbered-list {
  list-style: none;
  padding: 0 !important;
  counter-reset: num;
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin: 32px 0;
}
.numbered-list li {
  counter-increment: num;
  position: relative;
  padding-left: 76px;
  min-height: 60px;
}
.numbered-list li::before {
  content: counter(num, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: -8px;
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 800;
  color: var(--primary);
  opacity: .9;
  letter-spacing: -.02em;
  line-height: 1;
}
.numbered-list li h3 {
  font-size: 19px;
  margin-top: 0 !important;
  margin-bottom: 8px !important;
}
.numbered-list li p { margin-bottom: 0; }

/* Article tags */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 50px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.article-tag {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-muted);
}

/* Article share rail (right) */
.article-share {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.article-share-label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.article-share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  transition: all .2s;
}
.article-share-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.article-share-btn svg { width: 16px; height: 16px; }

/* Inline CTA */
.article-cta {
  background: linear-gradient(135deg, var(--primary), #0a6b48);
  color: #fff;
  border-radius: var(--r-xl);
  padding: 40px 44px;
  margin: 48px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.article-cta-text { flex: 1; min-width: 260px; }
.article-cta h3 {
  color: #fff;
  font-size: 24px;
  margin: 0 0 8px !important;
  line-height: 1.2;
}
.article-cta p {
  color: rgba(255,255,255,.85);
  margin: 0 !important;
  font-size: 15px;
}
.article-cta .btn {
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .2s;
}
.article-cta .btn:hover { transform: translateY(-2px); }

/* Related articles */
.article-related {
  padding: 60px 0 80px;
  background: var(--surface-2);
  border-top: 1px solid var(--border);
}
.article-related h2 {
  font-size: 32px;
  letter-spacing: -.02em;
  margin-bottom: 36px;
}
.article-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1100px) {
  .article-grid { grid-template-columns: 1fr; gap: 32px; }
  .article-toc, .article-share { position: static; }
  .article-share { flex-direction: row; align-items: center; }
  .article-share-label { margin-bottom: 0; }
  .article-related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .article-hero { padding: 30px 0 22px; }
  .article-body { padding: 36px 0 56px; }
  .article-content { font-size: 16px; }
  .article-content h2 { margin-top: 40px; }
  .article-cta { padding: 28px 26px; }
  .article-related-grid { grid-template-columns: 1fr; }
  .numbered-list li { padding-left: 0; padding-top: 48px; }
  .numbered-list li::before { font-size: 38px; }
}