/* ─────────────────────────────────────────────────────────────
   blog.css — shared styles for blog.html (index) + blog posts
   ───────────────────────────────────────────────────────────── */

/* ── BLOG INDEX HERO ──────────────────────────────────────── */
.blog-hero {
  padding: 120px 0 72px;
  background: var(--gray-light);
  border-bottom: 1px solid var(--gray-line);
}
.blog-hero-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.15;
  margin-bottom: 14px;
}
.blog-hero-sub {
  font-size: 1.05rem;
  color: var(--gray-mid);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 32px;
}

/* ── CATEGORY FILTERS ─────────────────────────────────────── */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.blog-filter {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
  border: 1.5px solid var(--gray-line);
  color: var(--gray-mid);
  background: var(--white);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.blog-filter:hover,
.blog-filter.active {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-light);
}

/* ── POST GRID ────────────────────────────────────────────── */
.posts-section { padding: 72px 0 100px; }
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.post-card {
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(65,117,252,.25);
}
.post-card-img {
  height: 210px;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.post-card-img img { width: 100%; height: 100%; object-fit: cover; }
.post-card-img-icon {
  width: 60px; height: 60px;
  border-radius: 18px;
  background: var(--white);
  color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow);
}
.post-card-img-icon .lucide { width: 28px; height: 28px; }
.post-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.post-cat {
  display: inline-block;
  background: var(--blue-light); color: var(--blue);
  font-size: .68rem; font-weight: 700; letter-spacing: .07em;
  text-transform: uppercase; padding: 3px 10px; border-radius: 50px;
  margin-bottom: 12px;
}
.post-title {
  font-family: var(--font-head);
  font-size: 1.05rem; font-weight: 700;
  color: var(--dark); line-height: 1.35;
  margin-bottom: 10px;
}
.post-excerpt {
  font-size: .85rem; color: var(--gray-mid);
  line-height: 1.65; flex: 1;
}
.post-meta {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: 10px; margin-top: 18px; padding-top: 16px;
  border-top: 1px solid var(--gray-line);
  font-size: .75rem; color: var(--gray-mid);
}
.post-meta-dot {
  width: 3px; height: 3px;
  border-radius: 50%; background: var(--gray-line);
}
.post-read-more {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--blue); font-size: .85rem; font-weight: 700;
  margin-top: 16px;
  transition: gap var(--transition);
}
.post-read-more:hover { gap: 10px; }

/* ── POST HERO (single post) ──────────────────────────────── */
.post-hero {
  padding: 120px 0 64px;
  background: var(--gray-light);
  border-bottom: 1px solid var(--gray-line);
}
.post-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: .8rem; color: var(--gray-mid);
  margin-bottom: 22px;
}
.post-breadcrumb a { color: var(--blue); }
.post-breadcrumb a:hover { text-decoration: underline; }
.post-breadcrumb-sep { color: var(--gray-line); }
.post-hero-cat {
  display: inline-block;
  background: var(--blue-light); color: var(--blue);
  font-size: .7rem; font-weight: 700; letter-spacing: .07em;
  text-transform: uppercase; padding: 4px 12px; border-radius: 50px;
  margin-bottom: 18px;
}
.post-hero-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800; color: var(--dark); line-height: 1.2;
  margin-bottom: 24px; max-width: 800px;
}
.post-hero-meta {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: 16px; font-size: .82rem; color: var(--gray-mid);
}
.post-hero-author {
  display: flex; align-items: center; gap: 9px;
}
.post-author-ava {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--blue); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: .72rem; font-weight: 800;
  flex-shrink: 0;
}
.post-meta-sep { width: 4px; height: 4px; border-radius: 50%; background: var(--gray-line); }
.post-meta-item { display: flex; align-items: center; gap: 5px; }
.post-meta-item .lucide { width: 13px; height: 13px; }

/* ── ARTICLE LAYOUT ───────────────────────────────────────── */
.article-wrap { padding: 64px 0 88px; }
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  align-items: start;
  min-width: 0;
}
.article-body { min-width: 0; overflow-wrap: break-word; word-break: break-word; }

/* ── ARTICLE BODY ─────────────────────────────────────────── */
.article-body h2 {
  font-family: var(--font-head);
  font-size: 1.5rem; font-weight: 800;
  color: var(--dark); line-height: 1.3;
  margin: 44px 0 16px;
}
.article-body h2:first-child { margin-top: 0; }
.article-body h3 {
  font-family: var(--font-head);
  font-size: 1.1rem; font-weight: 700;
  color: var(--dark); margin: 28px 0 12px;
}
.article-body p {
  font-size: .97rem; color: var(--gray);
  line-height: 1.85; margin-bottom: 18px;
}
.article-body ul,
.article-body ol {
  margin: 4px 0 20px; padding-left: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.article-body ul li,
.article-body ol li {
  font-size: .97rem; color: var(--gray);
  line-height: 1.7; padding-left: 22px; position: relative;
}
.article-body ul li::before {
  content: '→';
  position: absolute; left: 0;
  color: var(--blue); font-weight: 700; font-size: .85rem;
}
.article-body ol { counter-reset: ol-c; }
.article-body ol li { counter-increment: ol-c; }
.article-body ol li::before {
  content: counter(ol-c) '.';
  position: absolute; left: 0;
  color: var(--blue); font-weight: 700;
  font-family: var(--font-head); font-size: .82rem;
}
.article-body strong { font-weight: 700; color: var(--dark); }
.article-body a:not(.btn) { color: var(--blue); font-weight: 600; }
.article-body a:not(.btn):hover { text-decoration: underline; }
.article-body blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  background: var(--blue-light);
  border-left: 4px solid var(--blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.article-body blockquote p {
  color: var(--dark); font-style: italic;
  margin: 0; font-size: 1rem; line-height: 1.65;
}

/* ── ARTICLE TABLE ────────────────────────────────────────── */
.article-table-wrap { overflow-x: auto; margin: 28px 0; }
.article-table {
  width: 100%; border-collapse: collapse;
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); min-width: 520px;
}
.article-table th {
  background: var(--dark); color: var(--white);
  padding: 12px 18px;
  font-family: var(--font-head); font-size: .78rem; font-weight: 700;
  text-align: left; letter-spacing: .04em;
}
.article-table th:not(:first-child) { text-align: center; }
.article-table td {
  padding: 11px 18px;
  font-size: .85rem; border-top: 1px solid var(--gray-line);
  color: var(--gray);
}
.article-table td:first-child { font-weight: 600; color: var(--dark); background: var(--white); }
.article-table td:not(:first-child) { text-align: center; }
.article-table tr:nth-child(even) td:not(:first-child) { background: var(--gray-light); }
.article-table td.cell-pro { color: #059669; font-weight: 700; background: #f0fdf4 !important; }
.article-table td.cell-mid { color: #d97706; font-weight: 700; background: #fffbeb !important; }
.article-table td.cell-con { color: #dc2626; background: #fef2f2 !important; }

/* ── INLINE CTA ───────────────────────────────────────────── */
.inline-cta {
  margin: 36px 0;
  padding: 26px 28px;
  background: linear-gradient(135deg, var(--blue-light) 0%, #dce8ff 100%);
  border: 1.5px solid rgba(65,117,252,.22);
  border-radius: var(--radius);
  display: flex; align-items: center; gap: 20px;
}
.inline-cta-icon {
  width: 50px; height: 50px; border-radius: 14px;
  background: var(--blue); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.inline-cta-icon .lucide { width: 22px; height: 22px; }
.inline-cta-text { flex: 1; }
.inline-cta-title {
  font-family: var(--font-head);
  font-size: 1rem; font-weight: 800;
  color: var(--dark); margin-bottom: 4px;
}
.inline-cta-sub { font-size: .83rem; color: var(--gray-mid); line-height: 1.55; }

/* ── DECISION BOX ─────────────────────────────────────────── */
.decision-box {
  margin: 28px 0;
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.decision-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--gray-line);
}
.decision-row:last-child { border-bottom: none; }
.decision-col {
  padding: 14px 20px;
  font-size: .88rem; line-height: 1.6;
  display: flex; align-items: flex-start; gap: 10px;
}
.decision-col:first-child {
  background: #f0fdf4;
  border-right: 1px solid var(--gray-line);
  color: #065f46;
}
.decision-col:last-child { background: var(--white); color: var(--gray); }
.decision-header .decision-col {
  font-family: var(--font-head);
  font-weight: 800; font-size: .8rem;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 12px 20px;
}
.decision-header .decision-col:first-child { background: #059669; color: var(--white); }
.decision-header .decision-col:last-child { background: var(--gray-mid); color: var(--white); }
.decision-box-title {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 700; font-size: .95rem;
  color: var(--dark);
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--gray-line);
}
.decision-box-title i { width: 18px; height: 18px; color: var(--blue); flex-shrink: 0; }
.decision-box > p {
  padding: 14px 20px;
  font-size: .9rem; line-height: 1.65; color: var(--gray);
  margin: 0;
}

/* ── ARTICLE SIDEBAR ──────────────────────────────────────── */
.article-sidebar { position: sticky; top: 96px; align-self: start; }
.sidebar-card {
  background: var(--gray-light);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 18px;
}
.sidebar-card-title {
  font-family: var(--font-head);
  font-size: .78rem; font-weight: 800;
  color: var(--dark); margin-bottom: 14px;
  text-transform: uppercase; letter-spacing: .07em;
}
.toc-list { display: flex; flex-direction: column; gap: 2px; }
.toc-item a {
  display: block;
  font-size: .83rem; color: var(--gray-mid);
  padding: 5px 0 5px 12px;
  border-left: 2px solid var(--gray-line);
  line-height: 1.45;
  transition: border-color var(--transition), color var(--transition);
}
.toc-item a:hover,
.toc-item a.toc-active { border-left-color: var(--blue); color: var(--blue); }
.sidebar-contact-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: var(--radius-sm);
  background: var(--white); border: 1px solid var(--gray-line);
  font-size: .83rem; font-weight: 600; color: var(--dark);
  margin-bottom: 8px;
  transition: border-color var(--transition), color var(--transition);
}
.sidebar-contact-link:hover { border-color: var(--blue); color: var(--blue); }
.sidebar-contact-link .lucide { width: 16px; height: 16px; color: var(--blue); flex-shrink: 0; }
.sidebar-contact-desc { font-size: .75rem; color: var(--gray-mid); margin-top: 8px; line-height: 1.5; }

/* ── ARTICLE FAQ ──────────────────────────────────────────── */
.article-faq {
  padding: 64px 0 88px;
  background: var(--gray-light);
  border-top: 1px solid var(--gray-line);
}

/* ── BACK LINK ────────────────────────────────────────────── */
.back-link {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--blue); font-size: .88rem; font-weight: 600;
  margin-bottom: 28px;
  transition: gap var(--transition);
}
.back-link:hover { gap: 11px; }
.back-link .lucide { width: 15px; height: 15px; }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr 260px; gap: 40px; }
}
@media (max-width: 900px) {
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: none; }
  .inline-cta { flex-direction: column; text-align: center; }
  .inline-cta-icon { margin: 0 auto; }
  .decision-row { grid-template-columns: 1fr; }
  .decision-col:first-child { border-right: none; border-bottom: 1px solid var(--gray-line); }
  .decision-header .decision-col:first-child { display: none; }
}
@media (max-width: 600px) {
  .posts-grid { grid-template-columns: 1fr; }
  .blog-hero { padding: 100px 0 56px; }
  .post-hero { padding: 100px 0 48px; }
  .article-wrap { padding: 44px 0 64px; }
  .article-faq { padding: 48px 0 64px; }
}