@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Inter:wght@400;500&display=swap');

:root {
  --bg-primary: #030712;
  --bg-surface: #0f172a;
  --bg-elevated: rgba(30, 41, 59, 0.7);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  
  --brand-primary: #38bdf8;
  --brand-secondary: #818cf8;
  --brand-gradient: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  --brand-glow: 0 0 20px rgba(56, 189, 248, 0.4);
  
  --accent-gold: #f59e0b;
  
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(56, 189, 248, 0.4);
  
  --radius-lg: 16px;
  --radius-md: 12px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

h1, h2, h3, h4, h5 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--text-main);
}

/* Button */
.btn {
  background: var(--brand-gradient);
  color: white;
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: var(--brand-glow);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 25px rgba(56, 189, 248, 0.6);
}

/* Hero Section */
.hero {
  padding: 8rem 5% 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, rgba(3, 7, 18, 0) 70%);
  z-index: -1;
  border-radius: 50%;
}

.hero-badge {
  display: inline-block;
  background: rgba(56, 189, 248, 0.1);
  color: var(--brand-primary);
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.hero h1 {
  font-size: clamp(3rem, 5vw, 4.5rem);
  margin-bottom: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.hero h1 span {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

/* Ad Unit Placeholder */
.ad-unit {
  background: var(--bg-surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 2rem auto;
  position: relative;
  overflow: hidden;
}

.ad-unit::after {
  content: 'ADVERTISEMENT';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.ad-leaderboard {
  width: 100%;
  max-width: 728px;
  height: 90px;
}

.ad-rectangle {
  width: 300px;
  height: 250px;
}

/* Categories Section */
.categories {
  padding: 4rem 5%;
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.category-tag {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  font-weight: 500;
  cursor: pointer;
}

.category-tag:hover {
  border-color: var(--brand-primary);
  background: rgba(56, 189, 248, 0.05);
  transform: translateY(-2px);
}

/* Feed Section */
.feed-container {
  padding: 4rem 5%;
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

@media (max-width: 1024px) {
  .feed-container {
    grid-template-columns: 1fr;
  }
}

.section-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.article-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.article-img-wrapper {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
  background: var(--bg-surface);
}

.article-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.article-card:hover .article-img {
  transform: scale(1.05);
}

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

.article-category {
  font-size: 0.8rem;
  color: var(--brand-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.article-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  transition: color 0.2s;
}

.article-card:hover .article-title {
  color: var(--brand-primary);
}

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

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

/* Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.widget {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.widget-title {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

/* Trending List */
.trending-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.trending-item {
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: start;
  gap: 0.5rem;
  cursor: pointer;
}

.trending-item:hover .item-title {
  color: var(--brand-primary);
}

.item-number {
  color: var(--text-muted);
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
}

.item-title {
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  margin-bottom: 0.3rem;
}

.item-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}