/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #1a1d29;
    --bg-secondary: #252936;
    --bg-card: #2d3142;
    --text-primary: #ffffff;
    --text-secondary: #b4b9c9;
    --accent-cyan: #00d9ff;
    --accent-green: #a4f542;
    --gradient: linear-gradient(135deg, #00d9ff 0%, #a4f542 100%);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(26, 29, 41, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.3));
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

.btn-trade {
    background: var(--gradient);
    color: var(--bg-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.3);
}

.btn-trade:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 217, 255, 0.4);
}

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    background: radial-gradient(ellipse at top, rgba(0, 217, 255, 0.1) 0%, transparent 50%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -25%;
    width: 150%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(164, 245, 66, 0.05) 0%, transparent 50%);
    animation: float 20s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-5deg); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* News Filters */
.news-filters {
    padding: 2rem 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.filter-tabs {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--gradient);
    color: var(--bg-primary);
    border-color: transparent;
}

/* News Section */
.news-section {
    padding: 4rem 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.news-card {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: rgba(0, 217, 255, 0.3);
}

.news-card.featured {
    grid-column: 1 / -1;
    flex-direction: row;
}

.news-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.news-card.featured .news-image {
    width: 50%;
    height: auto;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-new {
    background: var(--accent-green);
    color: var(--bg-primary);
}

.badge-hot {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    color: white;
}

.badge-update {
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

.news-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card.featured .news-content {
    width: 50%;
}

.news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.news-date {
    color: var(--text-secondary);
}

.news-category {
    color: var(--accent-cyan);
    font-weight: 600;
}

.news-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.news-card.featured .news-title {
    font-size: 2rem;
}

.news-excerpt {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex: 1;
}

.news-link {
    color: var(--accent-cyan);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.news-link:hover {
    gap: 0.75rem;
}

/* Load More */
.load-more {
    text-align: center;
}

.btn-load-more {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-load-more:hover {
    background: var(--gradient);
    color: var(--bg-primary);
    border-color: transparent;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 4rem 0 2rem;
    margin-top: 6rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-style: italic;
}

.footer-disclaimer {
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding: 1rem;
    background: rgba(255, 107, 107, 0.1);
    border-left: 3px solid #ff6b6b;
    border-radius: 4px;
    margin-top: 1rem;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.footer-bottom a {
    color: var(--accent-cyan);
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .news-card.featured {
        flex-direction: column;
    }
    
    .news-card.featured .news-image,
    .news-card.featured .news-content {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .nav {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    
    .nav-link {
        text-align: center;
    }
    
    .hero {
        padding: 3rem 0 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .news-title {
        font-size: 1.25rem;
    }
    
    .news-card.featured .news-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .filter-tabs {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

/* Hidden class for filtering */
.hidden {
    display: none;
}

/* Scroll animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.news-card {
    animation: fadeInUp 0.6s ease-out;
}

.news-card:nth-child(1) { animation-delay: 0.1s; }
.news-card:nth-child(2) { animation-delay: 0.2s; }
.news-card:nth-child(3) { animation-delay: 0.3s; }
.news-card:nth-child(4) { animation-delay: 0.4s; }
.news-card:nth-child(5) { animation-delay: 0.5s; }
.news-card:nth-child(6) { animation-delay: 0.6s; }