:root {
  --color-primary: #09637E;
  --color-primary-light: #088395;
  --color-secondary: #7AB2B2;
  --color-accent: #EBF4F6;
  --color-text-main: #1F2933;
  --color-text-muted: #6B7280;
  --color-border-soft: #D1D5DB;
  --color-bg-body: #FFFFFF;
  --color-bg-card: #FFFFFF;
  --color-bg-footer: #062F3A;
  --container-width: 1140px;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-body);
  color: var(--color-text-main);
  line-height: 1.6;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 16px;
}

.site-content {
  padding: 24px 0 40px;
}

.content-area.with-sidebar {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
  margin: 0 auto;
}

.site-main {
  width: 100%;
}

.sidebar {
  width: 300px;
}

/* Topbar + Header */
.topbar {
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 13px;
}

.topbar .topbar-left {
  padding: 6px 0;
  display: flex;
  gap: 8px;
  align-items: center;
}

.site-title-text {
  font-weight: 600;
}

.site-tagline-text {
  opacity: 0.9;
}

.main-header {
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border-soft);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  max-width: var(--container-width);
  margin: 0 auto;
  width: 100%;
  padding-left: 16px;
  padding-right: 16px;
}

.logo-link {
  text-decoration: none;
  color: var(--color-primary);
}

.logo-main {
  font-weight: 700;
  font-size: 22px;
}

/* Navigation */
.primary-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 18px;
}

.primary-nav a {
  text-decoration: none;
  color: var(--color-text-main);
  font-size: 15px;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.primary-nav a:hover,
.primary-nav .current-menu-item > a {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Home Hero */
.home-hero {
  background: var(--color-accent);
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border-soft);
}

.home-hero-title {
  margin: 0 0 8px;
  font-size: 28px;
  color: var(--color-primary);
}

.home-hero-subtitle {
  margin: 0;
  color: var(--color-text-muted);
}

/* Category tabs */
.home-category-tabs {
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border-soft);
}

.category-tab-list {
  list-style: none;
  margin: 0;
  padding: 10px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.category-tab-item a {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-secondary);
  font-size: 13px;
  text-decoration: none;
  color: var(--color-text-main);
  background: #FFFFFF;
  transition: background 0.2s, color 0.2s;
}

.category-tab-item a:hover {
  background: var(--color-secondary);
  color: #FFFFFF;
}

/* Post cards */
.post-card {
  display: flex;
  flex-direction: row;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border-soft);
}

.post-thumbnail-link {
  flex-shrink: 0;
  width: 260px;
}

.post-thumbnail-link img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

.post-card-content {
  flex: 1;
}

.post-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.post-category {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-secondary);
  color: #FFFFFF;
  font-size: 11px;
}

.post-card-title {
  margin: 0 0 8px;
  font-size: 20px;
}

.post-card-title a {
  text-decoration: none;
  color: var(--color-text-main);
  transition: color 0.2s;
}

.post-card-title a:hover {
  color: var(--color-primary);
}

.post-card-excerpt {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.btn-read-more {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  text-decoration: none;
  background: var(--color-primary);
  color: #FFFFFF;
  transition: background 0.2s;
}

.btn-read-more:hover {
  background: var(--color-primary-light);
}

/* Single post */
.single-header {
  margin-bottom: 16px;
}

.single-category {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-secondary);
  color: #FFFFFF;
  font-size: 11px;
  margin-bottom: 8px;
}

.single-title {
  margin: 8px 0 16px;
  font-size: 32px;
  line-height: 1.2;
  color: var(--color-text-main);
}

.single-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.single-thumbnail {
  margin: 24px 0;
  width: 100%;
}

.single-thumbnail img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}

.single-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-main);
}

.single-content p {
  margin: 0 0 16px 0;
}

.single-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px 0;
  border-radius: 8px;
}

.single-footer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border-soft);
}

.single-tags {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* Widgets / sidebar */
.widget {
  margin-bottom: 24px;
  padding: 16px;
  background: var(--color-bg-card);
  border-radius: 8px;
  border: 1px solid var(--color-border-soft);
}

.widget-title {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 16px;
  color: var(--color-text-main);
  font-weight: 600;
}

/* Footer */
.site-footer {
  background: var(--color-bg-footer);
  color: #E5E7EB;
  margin-top: 40px;
}

.footer-widgets {
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-column {
  flex: 1 1 220px;
}

.footer-column h2 {
  color: #FFFFFF;
  font-size: 16px;
  margin-bottom: 12px;
}

.footer-column a {
  color: #E5E7EB;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-column a:hover {
  color: #FFFFFF;
}

.site-info {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 12px 0;
  font-size: 13px;
}

/* Pagination */
.navigation.pagination {
  margin-top: 24px;
  padding: 16px 0;
  border-top: 1px solid var(--color-border-soft);
}

.pagination .page-numbers {
  display: inline-block;
  padding: 6px 10px;
  margin-right: 4px;
  text-decoration: none;
  color: var(--color-text-main);
  border: 1px solid var(--color-border-soft);
  border-radius: 4px;
  transition: all 0.2s;
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

/* Responsive */
@media (max-width: 900px) {
  .content-area.with-sidebar {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .sidebar {
    width: 100%;
  }

  .post-card {
    flex-direction: column;
  }

  .post-thumbnail-link {
    width: 100%;
  }

  .post-thumbnail-link img {
    width: 100%;
  }

  .primary-nav ul {
    flex-wrap: wrap;
    gap: 12px;
  }

  .single-title {
    font-size: 24px;
  }

  .header