:root {
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --bg-color: #0f172a;
  --surface-color: rgba(30, 41, 59, 0.7);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: rgba(255,255,255,0.1);
  --glass-bg: rgba(15, 23, 42, 0.6);
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
a { color: var(--primary-color); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-hover); }

/* Glassmorphism Classes */
.glassmorphism {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--glass-border);
  border-radius: 12px;
}

/* Header & Nav */
header {
  position: sticky; top: 0; z-index: 100;
  padding: 1rem 0;
  border-bottom: var(--glass-border);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 1.5rem; font-weight: bold; color: var(--text-main); }
.nav-links { display: flex; gap: 1.5rem; }
.nav-links a { color: var(--text-main); font-weight: 500; }
.nav-links a:hover { color: var(--primary-color); }

/* Search Bar */
.search-bar { position: relative; display: flex; align-items: center; }
.search-bar input {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--text-main);
  outline: none;
}
.search-results {
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--surface-color);
  border: var(--glass-border);
  border-radius: 8px;
  margin-top: 0.5rem;
  max-height: 300px;
  overflow-y: auto;
  display: none;
}
.search-results a { display: block; padding: 0.75rem; border-bottom: var(--glass-border); color: var(--text-main); }
.search-results a:hover { background: rgba(255,255,255,0.05); }

.menu-toggle { display: none; background: none; border: none; color: var(--text-main); font-size: 1.5rem; cursor: pointer; }

/* Hero */
.hero { text-align: center; padding: 4rem 1rem; }
.hero h1 { font-size: 3rem; margin-bottom: 1rem; background: linear-gradient(135deg, #a855f7, #6366f1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* Grid */
.article-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; padding: 2rem 0; }
.card { padding: 1.5rem; transition: transform 0.2s; }
.card:hover { transform: translateY(-5px); }
.badge { display: inline-block; padding: 0.25rem 0.75rem; background: rgba(99, 102, 241, 0.2); color: #818cf8; border-radius: 12px; font-size: 0.8rem; margin-top: 1rem; }

/* Post */
.post { max-width: 800px; margin: 0 auto; padding: 2rem 0; }
.post h1 { font-size: 2.5rem; margin-bottom: 0.5rem; }
.author-meta { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 2rem; }
.breadcrumbs { margin-bottom: 1rem; font-size: 0.9rem; color: var(--text-muted); }
.key-takeaways { padding: 1.5rem; margin-bottom: 2rem; border-left: 4px solid var(--primary-color); }
.key-takeaways ul { margin-left: 1.5rem; margin-top: 1rem; }
.post h2, .post h3 { margin: 2rem 0 1rem; }
.post p { margin-bottom: 1.25rem; font-size: 1.1rem; }
.table-container { overflow-x: auto; margin-bottom: 2rem; }
table { width: 100%; border-collapse: collapse; background: var(--surface-color); }
th, td { padding: 1rem; text-align: left; border: var(--glass-border); }
th { background: rgba(0,0,0,0.2); }

/* Floating Social */
.social-share { position: fixed; left: 1rem; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 0.5rem; }
.social-share button { width: 40px; height: 40px; border-radius: 50%; border: none; background: var(--surface-color); color: var(--text-main); cursor: pointer; transition: background 0.2s; }
.social-share button:hover { background: var(--primary-color); }

/* Newsletter */
.newsletter-inline { padding: 2rem; margin: 2rem 0; text-align: center; }
.newsletter-inline form { display: flex; gap: 0.5rem; justify-content: center; margin-top: 1rem; flex-wrap: wrap; }
.newsletter-inline input, .newsletter-footer input { padding: 0.5rem 1rem; border: 1px solid var(--border-color); background: rgba(0,0,0,0.2); color: white; border-radius: 4px; }
.btn { padding: 0.5rem 1.5rem; border: none; border-radius: 4px; cursor: pointer; font-weight: bold; transition: background 0.2s; }
.btn-primary { background: var(--primary-color); color: white; }
.btn-primary:hover { background: var(--primary-hover); }

/* Ads */
.ad-placeholder { background: rgba(255,255,255,0.05); border: 1px dashed var(--border-color); text-align: center; padding: 2rem; margin: 2rem 0; color: var(--text-muted); font-size: 0.9rem; }

/* Footer */
footer { padding: 3rem 0; border-top: var(--glass-border); margin-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.footer-col h3 { margin-bottom: 1rem; }
.footer-col a { display: block; margin-bottom: 0.5rem; color: var(--text-muted); }
.footer-col a:hover { color: var(--primary-color); }
.footer-bottom { text-align: center; margin-top: 3rem; color: var(--text-muted); border-top: var(--glass-border); padding-top: 1.5rem; }

/* Cookie Banner */
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: var(--surface-color); padding: 1rem; display: flex; justify-content: center; align-items: center; gap: 1rem; z-index: 1000; display: none; }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-color); padding: 1rem; }
  .nav-links.active { display: flex; }
  .menu-toggle { display: block; }
  .search-bar { display: none; }
  .social-share { position: static; flex-direction: row; justify-content: center; transform: none; margin: 1rem 0; }
  .hero h1 { font-size: 2rem; }
}