:root {
  --blue-900: #0C2340;
  --blue-800: #0F3460;
  --blue-700: #1A4F8B;
  --blue-600: #2563EB;
  --blue-500: #3B82F6;
  --blue-100: #DBEAFE;
  --blue-50: #EFF6FF;
  --green-600: #25D366;
  --green-700: #1EBE5A;
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --amber-400: #FBBF24;
  --amber-500: #F59E0B;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 1.25rem; }

/* NAV */
.blog-nav {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.blog-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.blog-nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.blog-nav-logo img { height: 44px; width: auto; }
.blog-nav-logo-text {
  display: flex;
  flex-direction: column;
}
.blog-nav-logo-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--blue-900);
}
.blog-nav-logo-sub {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--blue-700);
  text-transform: uppercase;
}
.blog-nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.blog-nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color 0.2s;
}
.blog-nav-links a:hover { color: var(--blue-600); }
.blog-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--green-600);
  color: var(--white) !important;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  transition: background 0.2s;
}
.blog-nav-cta:hover { background: var(--green-700); }

/* BLOG INDEX */
.blog-hero {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-800));
  color: var(--white);
  padding: 3rem 0;
  text-align: center;
}
.blog-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.75rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.blog-hero p {
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.blog-category-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--blue-900);
  margin: 3rem 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--blue-100);
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 1.5rem;
  transition: box-shadow 0.2s, transform 0.2s;
}
.blog-card:hover {
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.blog-card-category {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-600);
  background: var(--blue-50);
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}
.blog-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue-900);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}
.blog-card h3 a { color: inherit; }
.blog-card h3 a:hover { color: var(--blue-600); }
.blog-card p {
  font-size: 0.82rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.blog-card-link {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue-600);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.blog-card-link:hover { color: var(--blue-700); }

/* ARTICLE */
.article-header {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-800));
  color: var(--white);
  padding: 3rem 0 2.5rem;
}
.article-breadcrumb {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 1rem;
}
.article-breadcrumb a { color: rgba(255,255,255,0.7); }
.article-breadcrumb a:hover { color: var(--white); }
.article-category {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.15);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}
.article-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  max-width: 800px;
}
.article-meta {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.article-body {
  max-width: 780px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem;
}
.article-body h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--blue-900);
  margin: 2rem 0 1rem;
  line-height: 1.3;
}
.article-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin: 1.5rem 0 0.75rem;
}
.article-body p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--gray-700);
  margin-bottom: 1.25rem;
}
.article-body ul, .article-body ol {
  margin: 1rem 0 1.25rem 1.5rem;
  color: var(--gray-700);
}
.article-body li {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 0.5rem;
}
.article-body blockquote {
  border-left: 4px solid var(--blue-600);
  background: var(--blue-50);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
  color: var(--gray-700);
  line-height: 1.7;
}
.article-body strong { color: var(--gray-800); }

/* ARTICLE CTA */
.article-cta {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
  color: var(--white);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  margin: 2.5rem 0;
}
.article-cta h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.article-cta p {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}
.article-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--green-600);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.9rem 2rem;
  border-radius: 10px;
  transition: background 0.2s, transform 0.15s;
}
.article-cta-btn:hover { background: var(--green-700); transform: translateY(-2px); }
.article-cta-note {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  margin-top: 0.75rem;
}

/* RELATED */
.article-related {
  background: var(--gray-50);
  padding: 3rem 0;
}
.article-related h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--blue-900);
  text-align: center;
  margin-bottom: 1.5rem;
}

/* DISCLAIMER */
.article-disclaimer {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: 1.25rem;
  margin: 2rem 0;
  font-size: 0.78rem;
  color: var(--gray-500);
  line-height: 1.7;
}
.article-disclaimer strong { color: var(--gray-600); }

/* FOOTER */
.blog-footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.5);
  padding: 2.5rem 0;
  text-align: center;
  font-size: 0.75rem;
  line-height: 1.8;
}
.blog-footer a { color: rgba(255,255,255,0.7); }
.blog-footer strong { color: rgba(255,255,255,0.8); }

/* FLOATING WHATSAPP */
.float-wpp {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
}
.float-wpp a {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--green-600);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform 0.2s;
}
.float-wpp a:hover { transform: scale(1.08); }
.float-wpp svg { width: 28px; height: 28px; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-nav-links span { display: none; }
  .blog-nav-logo-text { display: none; }
}
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}