/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #1D3557;
  background: #fff;
  line-height: 1.8;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
.container { max-width: 800px; margin: 0 auto; padding: 0 24px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.nav-container { max-width: 1140px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-size: 1.4rem; font-weight: 800; color: #E63946; }
.logo span { color: #1D3557; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: #555; transition: color 0.2s; }
.nav-links a:hover { color: #E63946; }
.btn-nav {
  background: #E63946; color: #fff !important; padding: 8px 20px;
  border-radius: 8px; font-weight: 600; font-size: 0.9rem; transition: all 0.2s;
}
.btn-nav:hover { background: #d32f3c; }

/* Blog dropdown */
.nav-blog-wrapper { position: relative; }
.nav-blog-trigger { cursor: pointer; }
.blog-dropdown {
  display: none;
  position: absolute;
  top: 36px; left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
  min-width: 380px;
  overflow: hidden;
  z-index: 200;
  border: 1px solid #f0f0f0;
}
.blog-dropdown.open { display: block; }
.blog-dropdown-item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 16px 20px;
  transition: background 0.15s;
  border-bottom: 1px solid #f8f8f8;
}
.blog-dropdown-item:last-child { border-bottom: none; }
.blog-dropdown-item:hover { background: #FFF5F5; }
.blog-item-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.blog-item-text { display: flex; flex-direction: column; gap: 3px; }
.blog-item-text strong { font-size: 0.9rem; color: #1D3557; font-weight: 600; }
.blog-item-text small { font-size: 0.78rem; color: #888; line-height: 1.4; }

.mobile-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: #1D3557; border-radius: 2px; transition: 0.3s; }

/* ===== ARTICLE ===== */
.article {
  padding: 120px 0 80px;
}
.article-header {
  margin-bottom: 48px;
}
.article-breadcrumb {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 20px;
}
.article-breadcrumb a { color: #E63946; }
.article-breadcrumb a:hover { text-decoration: underline; }
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 24px;
}
.article-meta-item { display: flex; align-items: center; gap: 6px; }
.article h1 {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #1D3557;
}
.article-intro {
  font-size: 1.15rem;
  color: #555;
  line-height: 1.8;
  border-left: 4px solid #E63946;
  padding-left: 20px;
  margin-bottom: 40px;
}

/* Content */
.article-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 48px 0 16px;
  color: #1D3557;
  border-bottom: 2px solid #f0f0f0;
  padding-bottom: 8px;
}
.article-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 32px 0 12px;
  color: #2B4A7A;
}
.article-content p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  color: #444;
  line-height: 1.85;
}
.article-content strong { color: #1D3557; }
.article-content em { color: #E63946; font-style: normal; font-weight: 600; }

/* Stat cards */
.stat-card {
  background: linear-gradient(135deg, #1D3557, #2B4A7A);
  border-radius: 16px;
  padding: 32px;
  margin: 32px 0;
  color: #fff;
  text-align: center;
}
.stat-card .big-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: #FF8C42;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card .stat-label {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.stat-card .stat-desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.7);
  max-width: 500px;
  margin: 0 auto;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 32px 0;
}
.stat-grid .stat-card { margin: 0; }

/* Highlight box */
.highlight-box {
  background: rgba(230,57,70,0.06);
  border-left: 4px solid #E63946;
  padding: 24px 28px;
  border-radius: 0 12px 12px 0;
  margin: 32px 0;
}
.highlight-box h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: #1D3557;
}
.highlight-box p {
  margin: 0;
  font-size: 0.95rem;
  color: #444;
  line-height: 1.7;
}

/* Quote */
.article-quote {
  border-left: 4px solid #FF8C42;
  padding: 20px 24px;
  margin: 32px 0;
  background: #FFF8F0;
  border-radius: 0 12px 12px 0;
  font-size: 1.05rem;
  font-style: italic;
  color: #555;
}

/* Lists */
.article-content ul {
  margin: 16px 0 24px 24px;
}
.article-content li {
  font-size: 1.02rem;
  color: #444;
  margin-bottom: 10px;
  line-height: 1.7;
}

/* CTA */
.article-cta {
  background: linear-gradient(135deg, #1D3557, #2B4A7A);
  border-radius: 20px;
  padding: 48px 40px;
  text-align: center;
  margin: 60px 0 0;
  color: #fff;
}
.article-cta h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 12px;
  border: none;
  padding: 0;
  color: #fff;
}
.article-cta p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  margin-bottom: 28px;
}
.btn {
  display: inline-block; padding: 14px 32px; border-radius: 12px;
  font-weight: 600; font-size: 1.05rem; cursor: pointer;
  border: none; transition: all 0.25s; text-align: center;
}
.btn-primary { background: #E63946; color: #fff; }
.btn-primary:hover { background: #d32f3c; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(230,57,70,0.3); }

/* Versus table */
.versus-table {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  margin: 32px 0;
  border: 1px solid #f0f0f0;
}
.versus-header, .versus-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  align-items: center;
}
.versus-header {
  background: linear-gradient(135deg, #1D3557, #2B4A7A);
  color: #fff;
  padding: 16px 20px;
  font-weight: 700;
  font-size: 1rem;
  text-align: center;
}
.versus-row {
  padding: 14px 20px;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.92rem;
}
.versus-row:last-child { border-bottom: none; }
.versus-row:hover { background: #FAFAFE; }
.versus-label { font-weight: 600; color: #1D3557; }
.versus-col { text-align: center; color: #555; }
.versus-stamps { color: #E63946; }
.versus-points { color: #2B4A7A; }
.versus-header .versus-stamps,
.versus-header .versus-points { color: #fff; }

/* Related articles */
.related-articles {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 2px solid #f0f0f0;
}
.related-articles h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #1D3557;
}
.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.related-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  background: #FAFAFA;
  border: 1px solid #f0f0f0;
  border-radius: 16px;
  transition: all 0.25s;
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  border-color: rgba(230,57,70,0.2);
}
.related-icon { font-size: 1.8rem; }
.related-card strong {
  font-size: 1rem;
  color: #1D3557;
  line-height: 1.4;
}
.related-card small {
  font-size: 0.85rem;
  color: #888;
  line-height: 1.4;
}

/* Share buttons */
.share-bar {
  margin: 40px 0;
  padding: 24px 0;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
  text-align: center;
}
.share-bar p {
  font-weight: 600;
  color: #1D3557;
  margin-bottom: 14px;
  font-size: 0.95rem;
}
.share-buttons { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  transition: opacity 0.2s;
  text-decoration: none;
}
.share-btn:hover { opacity: 0.85; }
.share-btn.linkedin { background: #0077B5; }
.share-btn.facebook { background: #1877F2; }
.share-btn.whatsapp { background: #25D366; }
.share-btn.x { background: #000; }

/* Footer */
.footer {
  background: #0f1f38;
  color: rgba(255,255,255,0.6);
  padding: 40px 0 24px;
  margin-top: 80px;
}
.footer-container { max-width: 1140px; margin: 0 auto; padding: 0 24px; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.footer-brand { text-align: center; }
.footer-brand .logo { font-size: 1.2rem; }
.footer-brand p { font-size: 0.85rem; margin-top: 6px; color: rgba(255,255,255,0.4); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.85rem; transition: color 0.2s; }
.footer-links a:hover { color: #fff; }
.footer-copy { font-size: 0.75rem; color: rgba(255,255,255,0.3); border-top: 1px solid rgba(255,255,255,0.08); padding-top: 16px; width: 100%; text-align: center; }

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .article h1 { font-size: 1.7rem; }
  .article { padding: 100px 0 60px; }
  .stat-grid { grid-template-columns: 1fr; }
  .stat-card .big-number { font-size: 2.5rem; }
  .article-cta { padding: 32px 24px; }
  .nav-links {
    display: none; position: fixed; top: 64px; left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 24px;
    gap: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  }
  .nav-links.open { display: flex; }
  .blog-dropdown {
    position: static;
    transform: none;
    min-width: 100%;
    box-shadow: none;
    border: 1px solid #f0f0f0;
    border-radius: 12px;
    margin-top: 8px;
  }
  .mobile-toggle { display: flex; }
  .related-grid { grid-template-columns: 1fr; }
  .versus-header, .versus-row { grid-template-columns: 1fr; gap: 6px; text-align: left; }
  .versus-header .versus-label { display: none; }
  .versus-col { text-align: left; }
  .versus-row .versus-label { font-size: 0.95rem; margin-bottom: 4px; }
}