:root {
  --primary: #0A74DA;
  --secondary: #F5F7FA;
  --bg-color: #ffffff;
  --text-color: #171717;
  --text-muted: #555555;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(10, 116, 218, 0.1);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.1);
  --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  --border-radius: 12px;
  --border-radius-lg: 20px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  opacity: 0.8;
}

/* Layout - Asymmetric Grid */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 0;
}

.nav-wrapper {
  display: flex; 
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-color);
}

.logo span {
  color: var(--primary);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2rem;
  margin: 3rem 0;
}

/* Blog Cards - Glassmorphism & Responsiveness */
.blog-card {
  grid-column: span 4;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  height: 100%;
}

.blog-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  z-index: 1;
}

.blog-card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-bottom: 1px solid var(--glass-border);
}

.blog-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-color);
  line-height: 1.3;
}

.blog-card-excerpt {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-more {
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  margin-top: auto;
}

.blog-card-more::after {
  content: "→";
  margin-left: 0.5rem;
  transition: transform 0.2s ease;
}

.blog-card-more:hover::after {
  transform: translateX(4px);
}

/* Dynamic Asymmetric Sizing Helpers */
.article-featured {
  grid-column: span 8;
}

.sidebar {
  grid-column: span 4;
}

.span-8 { grid-column: span 8; }
.span-6 { grid-column: span 6; }
.span-4 { grid-column: span 4; }

/* Responsive Grid Configuration */
@media (max-width: 992px) {
  .blog-card, .span-4 {
    grid-column: span 6;
  }
  .article-featured, .sidebar, .span-8, .span-6 {
    grid-column: span 12;
  }
}

@media (max-width: 600px) {
  .blog-card, .article-featured, .sidebar, .span-8, .span-6, .span-4 {
    grid-column: span 12;
  }
}

/* UI Elements */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--primary);
  color: #ffffff;
  border-radius: var(--border-radius);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 12px rgba(10, 116, 218, 0.3);
  transform: translateY(-1px);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 20px;
  margin-bottom: 1rem;
}

/* Content Areas */
.content-section {
  padding: 4rem 0;
}

.seo-block {
  background-color: var(--secondary);
  border-left: 4px solid var(--primary);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.meta-info {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

/* Glassmorphism utility */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
}

/* Inputs & Form */
input, textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #e1e1e1;
  border-radius: var(--border-radius);
  background: var(--secondary);
  color: var(--text-color);
  transition: var(--transition);
}

input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--bg-color);
  box-shadow: 0 0 0 3px rgba(10, 116, 218, 0.1);
}

/* Footer */
footer {
  margin-top: 5rem;
  padding: 4rem 0;
  background: var(--secondary);
  border-top: 1px solid #e1e1e1;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
}

/* Typography Overrides */
p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: var(--text-color);
}

.text-accent {
  color: var(--primary);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--secondary);
}

::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}