:root {
  --navy: #1B2A41;
  --navy-light: #2C3E5A;
  --navy-dark: #0F1A2E;
  --bg: #FFFFFF;
  --bg-warm: #F8F7F4;
  --green: #2D6A4F;
  --green-light: #E8F5E9;
  --gold: #D4A017;
  --purple: #6B4E71;
  --text: #1A1A1A;
  --text-secondary: #5A6B7F;
  --text-tertiary: #9AA6B8;
  --border: #E5E7EB;
  --border-light: #F0F0EE;
  --font-serif: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: 1200px;
  --narrow: 720px;
  --radius: 12px;
  --radius-sm: 8px;
  --ease: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: var(--narrow); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy);
}
.logo-mark {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  background: var(--green);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.3px;
}

/* Navigation */
.nav-list {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
}
.nav-list a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all 0.2s;
}
.nav-list a:hover { color: var(--navy); background: var(--bg-warm); }
.nav-list .current-menu-item a { color: var(--navy); font-weight: 600; }

.primary-nav { display: flex; align-items: center; gap: 6px; }
.search-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: all 0.2s;
}
.search-toggle:hover { color: var(--navy); background: var(--bg-warm); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all 0.3s;
}

.header-search {
  display: none;
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  background: #fff;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-light);
}
.header-search.open { display: block; }
.search-form { display: flex; gap: 8px; max-width: 500px; margin: 0 auto; }
.search-input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.search-input:focus { border-color: var(--green); }
.search-submit {
  padding: 10px 20px;
  background: var(--navy);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}
.search-submit:hover { background: var(--navy-light); }

/* Hero */
.hero {
  padding: 120px 0 100px;
  text-align: center;
  background: linear-gradient(180deg, #fff 0%, var(--bg-warm) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45,106,79,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27,42,65,0.03) 0%, transparent 70%);
  pointer-events: none;
}
.hero-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
}
.hero-label::after {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--green);
  margin: 16px auto 0;
  border-radius: 1px;
  opacity: 0.4;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(40px, 7vw, 68px);
  font-weight: 700;
  line-height: 1.08;
  color: var(--navy);
  margin-bottom: 20px;
  letter-spacing: -2px;
  position: relative;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 32px;
  line-height: 1.6;
}
.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--ease);
  font-family: var(--font-sans);
  border: none;
  cursor: pointer;
  line-height: 1;
}
.btn-primary {
  background: var(--navy);
  color: #fff;
}
.btn-primary:hover { background: var(--navy-light); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(27,42,65,0.15); }
.btn-secondary {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--navy); background: #fff; }
.btn-outline {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
}
.btn-outline:hover { background: var(--green); color: #fff; }

/* Section */
section { padding: 72px 0; }
.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--text-tertiary);
  font-weight: 600;
  margin-bottom: 32px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.featured-article { padding-top: 0; }

/* Featured card — single col default, 2-col with image */
.featured-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: box-shadow var(--ease);
}
.featured-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.05); }
.featured-card:has(.featured-image) {
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.featured-image img { width: 100%; height: 100%; object-fit: cover; }
.featured-body { padding: 48px; }
.featured-card:has(.featured-image) .featured-body { padding: 48px 48px 48px 0; }
.featured-body .card-category {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
}
.featured-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 2.5vw, 32px);
  line-height: 1.25;
  margin-bottom: 16px;
}
.featured-title a { color: var(--navy); text-decoration: none; }
.featured-title a:hover { color: var(--green); }
.featured-excerpt { color: var(--text-secondary); font-size: 16px; line-height: 1.7; margin-bottom: 20px; }

/* Article card */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.article-card {
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--ease);
}
.article-card:hover { box-shadow: 0 8px 28px rgba(0,0,0,0.05); transform: translateY(-2px); }
.card-image { aspect-ratio: 16/9; overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.article-card:hover .card-image img { transform: scale(1.03); }
.card-body { padding: 24px; }
.card-category {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
}
.card-title {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.35;
  margin-bottom: 8px;
}
.card-title a { color: var(--navy); text-decoration: none; }
.card-title a:hover { color: var(--green); }
.card-excerpt { color: var(--text-secondary); font-size: 14px; line-height: 1.6; margin-bottom: 16px; }
.card-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 13px;
  color: var(--text-tertiary);
}
.card-meta span { display: flex; align-items: center; gap: 4px; }

/* Topics */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}
.topic-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 16px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  text-decoration: none;
  transition: all var(--ease);
}
.topic-card:hover { border-color: var(--green); box-shadow: 0 4px 16px rgba(45,106,79,0.06); }
.topic-name { font-weight: 600; color: var(--navy); font-size: 14px; margin-bottom: 4px; }
.topic-count { font-size: 12px; color: var(--text-tertiary); }

/* Newsletter block */
.newsletter-section { padding-bottom: 20px; }
.newsletter-card {
  background: var(--navy);
  border-radius: 16px;
  padding: 64px;
  text-align: center;
}
.newsletter-card h2 {
  font-family: var(--font-serif);
  font-size: 30px;
  color: #fff;
  margin-bottom: 10px;
}
.newsletter-card p {
  color: rgba(255,255,255,0.65);
  margin-bottom: 28px;
  font-size: 16px;
}
.newsletter-form {
  display: flex;
  gap: 8px;
  max-width: 420px;
  margin: 0 auto;
}
.newsletter-form input[type="email"] {
  flex: 1;
  padding: 14px 18px;
  border: none;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
}
.newsletter-form .btn-primary { background: var(--green); }
.newsletter-form .btn-primary:hover { background: #236B48; }

/* Footer */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 32px;
}
.footer-brand .logo-link { margin-bottom: 12px; }
.footer-brand .logo-text { color: #fff; }
.footer-tagline { font-family: var(--font-serif); font-size: 14px; font-style: italic; color: rgba(255,255,255,0.4); margin-top: 8px; }
.site-footer h4 { font-family: var(--font-serif); color: #fff; font-size: 14px; margin-bottom: 16px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 6px; }
.footer-links a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.footer-links a:hover { color: #fff; }
.footer-subscribe { display: flex; gap: 6px; margin-top: 12px; }
.footer-subscribe input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: #fff;
  font-size: 13px;
  outline: none;
}
.footer-subscribe input::placeholder { color: rgba(255,255,255,0.3); }
.footer-subscribe button {
  padding: 10px 18px;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.2s;
}
.footer-subscribe button:hover { background: #236B48; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}
.footer-legal { display: flex; gap: 16px; }
.footer-legal a { color: rgba(255,255,255,0.35); text-decoration: none; transition: color 0.2s; }
.footer-legal a:hover { color: rgba(255,255,255,0.7); }

/* Single article */
.single-article { padding: 48px 0; }
.article-header { max-width: var(--narrow); text-align: center; margin: 0 auto 40px; padding: 0 24px; }
.article-category {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-decoration: none;
  display: inline-block;
  margin-bottom: 16px;
}
.article-category:hover { opacity: 0.8; }
.article-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.5vw, 44px);
  line-height: 1.15;
  color: var(--navy);
  margin-bottom: 14px;
}
.article-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.5;
}
.article-meta {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 14px;
  color: var(--text-tertiary);
  margin-top: 24px;
}
.meta-author { font-weight: 500; color: var(--text-secondary); }
.article-featured-image { max-width: 900px; margin: 0 auto 48px; padding: 0 24px; }
.article-featured-image img { width: 100%; border-radius: var(--radius); }

/* Article body with TOC */
.article-body {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 48px;
  max-width: var(--container);
  position: relative;
}
.article-toc {
  position: sticky;
  top: 84px;
  align-self: start;
}
.article-toc h4 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}
.article-toc ul { list-style: none; }
.article-toc li { margin-bottom: 6px; }
.article-toc a {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  line-height: 1.4;
  display: block;
  transition: color 0.2s;
}
.article-toc a:hover { color: var(--green); }
.article-content {
  max-width: var(--narrow);
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
}
.article-content h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  margin-top: 48px;
  margin-bottom: 14px;
  color: var(--navy);
  letter-spacing: -0.3px;
}
.article-content h3 {
  font-family: var(--font-serif);
  font-size: 21px;
  margin-top: 36px;
  margin-bottom: 10px;
  color: var(--navy);
}
.article-content p { margin-bottom: 20px; }
.article-content p:first-of-type { font-size: 19px; color: var(--text-secondary); }
.article-content blockquote {
  margin: 32px 0;
  padding: 24px 32px;
  border-left: 3px solid var(--green);
  background: var(--bg-warm);
  border-radius: 0 8px 8px 0;
}
.article-content blockquote p {
  font-family: var(--font-serif);
  font-size: 21px;
  font-style: italic;
  color: var(--navy);
  margin: 0;
}
.article-content ul, .article-content ol { margin: 0 0 20px 24px; }
.article-content li { margin-bottom: 8px; }
.article-content img { max-width: 100%; border-radius: 8px; margin: 32px 0; }
.article-content a { color: var(--green); text-decoration: underline; text-underline-offset: 2px; }
.article-content a:hover { text-decoration-thickness: 2px; }

/* Affiliate card */
.affiliate-card {
  max-width: var(--narrow);
  margin: 48px auto;
  padding: 36px 40px;
  background: linear-gradient(135deg, #FAFDF8 0%, #F3F9F0 100%);
  border: 1px solid #DFEDD7;
  border-radius: var(--radius);
  text-align: center;
}
.affiliate-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--green);
  font-weight: 700;
  margin-bottom: 12px;
}
.affiliate-text {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

/* Article newsletter block */
.article-newsletter-block {
  max-width: var(--narrow);
  margin: 48px auto;
  padding: 40px;
  background: var(--bg-warm);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  text-align: center;
}
.article-newsletter-block h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--navy);
  margin-bottom: 8px;
}
.article-newsletter-block p { color: var(--text-secondary); margin-bottom: 20px; font-size: 15px; }
.article-newsletter-block .newsletter-form { max-width: 380px; }

/* Related */
.related-section { margin-top: 64px; }

/* Page */
.page-section { padding: 64px 0; }
.page-title {
  font-family: var(--font-serif);
  font-size: 34px;
  color: var(--navy);
  margin-bottom: 28px;
}
.page-content .content-body { font-size: 16px; line-height: 1.8; }
.page-content .content-body p { margin-bottom: 20px; }
.page-content .content-body h2 { font-family: var(--font-serif); font-size: 22px; margin-top: 36px; margin-bottom: 12px; }
.page-content .content-body h3 { font-family: var(--font-serif); font-size: 18px; margin-top: 28px; margin-bottom: 10px; }

.archive-desc { color: var(--text-secondary); margin-bottom: 32px; font-size: 16px; }

/* 404 */
.error-page { text-align: center; padding: 80px 20px; }
.error-code { font-family: var(--font-serif); font-size: 96px; color: var(--border); line-height: 1; margin-bottom: 16px; }
.error-page p { color: var(--text-secondary); margin-bottom: 32px; }

/* Pagination */
.pagination { margin-top: 48px; text-align: center; }
.pagination .page-numbers {
  display: inline-block;
  padding: 8px 14px;
  margin: 0 2px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background 0.2s;
}
.pagination .current { background: var(--navy); color: #fff; }

/* Empty state */
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-tertiary); font-size: 16px; }

/* Search inline */
.search-form-inline { display: flex; gap: 8px; max-width: 400px; margin: 24px auto 0; }

/* Mobile */
@media (max-width: 1024px) {
  .article-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-card:has(.featured-image) { grid-template-columns: 1fr; }
  .featured-card:has(.featured-image) .featured-body { padding: 24px; }
  .featured-image { max-height: 320px; }
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .primary-nav {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-light);
  }
  .primary-nav.open { display: flex; }
  .nav-list { flex-direction: column; width: 100%; }
  .nav-list a { display: block; padding: 12px 0; width: 100%; font-size: 15px; }

  .hero { padding: 80px 0 64px; }
  .hero-title { font-size: 36px; letter-spacing: -1px; }

  .article-grid { grid-template-columns: 1fr; }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }

  .featured-card { grid-template-columns: 1fr; }
  .featured-body { padding: 24px; }
  .featured-image { max-height: 240px; }

  .article-body { grid-template-columns: 1fr; }
  .article-toc { display: none; }

  .newsletter-card { padding: 40px 24px; }
  .newsletter-form { flex-direction: column; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  section { padding: 48px 0; }
  .section-label { margin-bottom: 24px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .site-footer { margin-top: 48px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .article-meta { flex-direction: column; align-items: center; gap: 6px; }
}