:root {
  --primary: #e47934;
  --secondary: #1b2d46;
  --bg-light: #f8f9fb;
  --text-main: #1b2d46;
  --muted: #6b7280;
  --border-soft: #e2e8f0;
  --max-width: 960px;
}

/* Reset + base */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  background-color: var(--bg-light);
  color: var(--text-main);
  line-height: 1.7;
}

a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: #c96525;
}

/* Header */
header.site-header {
  background-color: #ffffff;
  border-bottom: 3px solid var(--primary);
  padding: 14px 20px;
}

.site-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.site-header img {
  height: 46px;
}

/* Layout */
main {
  padding: 40px 16px 60px;
}

.article-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
}

nav.breadcrumb {
  font-size: 13px;
  margin-bottom: 16px;
  color: var(--muted);
}

nav.breadcrumb a {
  text-decoration: none;
  color: var(--muted);
}

nav.breadcrumb a:hover {
  color: var(--primary);
}

/* Article */
article {
  background-color: #ffffff;
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(15,23,42,0.06);
  padding: 36px 40px;
}

@media (max-width: 768px) {
  article {
    padding: 26px 22px;
  }
}

article h1 {
  font-size: 32px;
  margin-bottom: 8px;
  color: var(--secondary);
}

@media (max-width: 768px) {
  article h1 {
    font-size: 26px;
  }
}

.article-meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.article-perex {
  font-size: 17px;
  font-weight: 500;
  color: var(--secondary);
  margin-top: 10px;
}

/* Content layout */
.article-layout {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(220px, 1fr);
  gap: 40px;
}

@media(max-width: 992px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
}

/* TOC */
.toc {
  border: 1px solid var(--border-soft);
  padding: 14px 16px;
  border-radius: 12px;
  background-color: #fdfdfd;
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 120px);
  overflow: auto;
}

.toc-title {
  font-size: 13px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
  letter-spacing: 0.1em;
}

.toc ul {
  padding-left: 0;
  list-style: none;
  font-size: 14px;
}

.toc li {
  margin-bottom: 8px;
}

.toc a {
  text-decoration: none;
  color: var(--secondary);
}

.toc a:hover {
  color: var(--primary);
}

/* Article content */
.article-content h2 {
  font-size: 24px;
  margin-top: 28px;
  margin-bottom: 8px;
  color: var(--secondary);
}

.article-content h3 {
  font-size: 20px;
  margin-top: 20px;
  margin-bottom: 6px;
  color: var(--secondary);
}

.article-content p {
  margin: 0 0 12px;
  font-size: 15px;
}

.article-content ul {
  padding-left: 20px;
  margin: 0 0 14px;
  font-size: 15px;
}

.article-content li {
  margin-bottom: 6px;
}

.article-content strong {
  font-weight: 600;
}

/* Highlight box (TIP, CTA…) */
.highlight-box {
  border-left: 4px solid var(--primary);
  background-color: #fff7f2;
  padding: 10px 14px;
  border-radius: 8px;
  margin: 20px 0;
  font-size: 14px;
}

/* Footer */
.article-footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
  font-size: 13px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}

.article-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  background: #f3f4f6;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--secondary);
}

/* Back link */
.back-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  color: var(--secondary);
  text-decoration: none;
}

.back-link:hover {
  color: var(--primary);
}
/* --- BLOG LIST PAGE --- */

.blog-list {
  display: grid;
  gap: 24px;
  margin-top: 20px;
}

.blog-card {
  display: block;
  text-decoration: none;
  background: #ffffff;
  border-radius: 14px;
  padding: 22px 26px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.06);
  border: 1px solid var(--border-soft);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 22px rgba(0,0,0,0.10);
}

.blog-card-inner h2 {
  margin: 0 0 8px;
  font-size: 22px;
  color: var(--secondary);
}

.blog-card-inner p {
  margin: 0 0 10px;
  color: var(--text-main);
  font-size: 15px;
  line-height: 1.6;
}

.blog-card-meta {
  font-size: 13px;
  color: var(--muted);
}