/* GlobalPulse Premium Theme */
:root {
  /* Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #171717;
  --bg-card: rgba(38, 38, 38, 0.7);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  
  --accent-crypto: #ef4444; /* Red */
  --accent-tech: #475569; /* Slate (Alternative) */
  --accent-sports: #ef4444; /* Red */
  --accent-finance: #475569; /* Slate */
  --accent-news: #ef4444; /* Red */
  
  --gradient-primary: linear-gradient(135deg, #ef4444, #475569);
  
  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Borders & Shadows */
  --border-radius: 12px;
  --border-light: rgba(255, 255, 255, 0.05);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

ul {
  list-style: none;
}

/* Glassmorphism Navigation */
body > header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(2, 6, 23, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-weight: 500;
  font-size: 1rem;
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

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

/* Hero Section */
.hero {
  padding: 120px 5% 60px;
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto 3rem;
}

/* Grid Layouts */
.container {
  padding: 40px 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: 4px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

/* Article Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--glass-shadow);
  border-color: rgba(255, 255, 255, 0.15);
}

.card-category {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  display: inline-block;
}

/* Category Colors */
.cat-crypto { color: var(--accent-crypto); }
.cat-tech { color: var(--accent-tech); }
.cat-sports { color: var(--accent-sports); }
.cat-finance { color: var(--accent-finance); }
.cat-news { color: var(--accent-news); }

.card-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.card-title a::after {
  content: '';
  position: absolute;
  inset: 0;
}

.card-excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-light);
  padding-top: 1rem;
}

/* Article Content Layout */
.article-header {
  padding: 140px 5% 60px;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.article-header h1 {
  font-size: 3rem;
  margin: 1rem 0;
  line-height: 1.3;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 5% 80px;
  font-size: 1.15rem;
  line-height: 1.8;
  color: #e2e8f0;
}

.article-content h2 {
  font-size: 2rem;
  margin: 2.5rem 0 1rem;
  color: var(--text-primary);
}

.article-content h3 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
}

.article-content p {
  margin-bottom: 1.5rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  padding: 60px 5% 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  max-width: 1400px;
  margin: 0 auto 40px;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.footer-col ul li {
  margin-bottom: 0.8rem;
}

.footer-col a {
  color: var(--text-secondary);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  animation: fadeIn 0.8s ease forwards;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(2, 6, 23, 0.95);
    backdrop-filter: blur(12px);
    padding: 2rem;
    border-bottom: 1px solid var(--border-light);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .article-header h1 {
    font-size: 2rem;
  }
}