/* Portal/Landing Page Styles */

.portal-page {
    background: linear-gradient(135deg, var(--bg-primary) 0%, #0d1117 50%, var(--bg-primary) 100%);
    min-height: 100vh;
}

/* Hero Section */
.portal-hero {
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.portal-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.portal-hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.portal-hero .hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

.portal-hero .hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 32px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Topics Grid */
.portal-grid-section {
    padding: 40px 0 80px;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Topic Cards */
.topic-card {
    position: relative;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.topic-card:hover {
    transform: translateY(-8px);
    border-color: transparent;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Card-specific hover glows */
.news-card:hover {
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.models-card:hover {
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
}

.benchmarks-card:hover {
    box-shadow: 0 20px 40px rgba(34, 197, 94, 0.2);
}

.gaming-card:hover {
    box-shadow: 0 20px 40px rgba(236, 72, 153, 0.2);
}

.finance-card:hover {
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.2);
}

.coming-soon-card:hover {
    box-shadow: 0 20px 40px rgba(107, 114, 128, 0.2);
}

/* Topic Image/Icon Section */
.topic-image {
    position: relative;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.topic-icon {
    font-size: 5rem;
    z-index: 2;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.3));
    transition: transform 0.4s ease;
}

.topic-card:hover .topic-icon {
    transform: scale(1.1);
}

/* Glow Effects */
.topic-glow {
    position: absolute;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    transition: opacity 0.4s ease;
}

.topic-card:hover .topic-glow {
    opacity: 0.7;
}

.news-glow {
    background: #3b82f6;
}

.models-glow {
    background: #8b5cf6;
}

.benchmarks-glow {
    background: #22c55e;
}

.gaming-glow {
    background: #ec4899;
}

.finance-glow {
    background: #f59e0b;
}

.coming-glow {
    background: #6b7280;
}

/* Gradient Backgrounds for Cards */
.news-card .topic-image {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.models-card .topic-image {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.benchmarks-card .topic-image {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(34, 197, 94, 0.05) 100%);
}

.gaming-card .topic-image {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.1) 0%, rgba(236, 72, 153, 0.05) 100%);
}

.finance-card .topic-image {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.coming-soon-card .topic-image {
    background: linear-gradient(135deg, rgba(107, 114, 128, 0.1) 0%, rgba(107, 114, 128, 0.05) 100%);
}

/* Topic Content */
.topic-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.topic-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-primary);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    width: fit-content;
}

.topic-badge.coming {
    color: var(--text-muted);
    background: rgba(107, 114, 128, 0.2);
}

.news-card .topic-badge {
    color: #3b82f6;
}

.models-card .topic-badge {
    color: #8b5cf6;
}

.benchmarks-card .topic-badge {
    color: #22c55e;
}

.gaming-card .topic-badge {
    color: #ec4899;
}

.finance-card .topic-badge {
    color: #f59e0b;
}

.topic-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.topic-content p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 16px;
}

/* Arrow / Hint */
.topic-arrow {
    font-size: 1.5rem;
    color: var(--accent);
    transition: transform 0.3s ease;
}

.topic-card:hover .topic-arrow {
    transform: translateX(8px);
}

.topic-hint {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Stats Section */
.portal-stats {
    padding: 60px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-row {
    display: flex;
    justify-content: center;
    gap: 80px;
}

.portal-stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* Footer */
.portal-footer {
    padding: 60px 0 40px;
    text-align: center;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-brand .logo-icon {
    color: var(--accent);
    font-size: 1.75rem;
}

.footer-tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Navbar adjustment for portal */
.portal-navbar {
    background: rgba(10, 10, 10, 0.9);
}

.portal-navbar .nav-links {
    display: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portal-hero h1 {
        font-size: 3rem;
    }
    
    .stats-row {
        gap: 40px;
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .topics-grid {
        grid-template-columns: 1fr;
    }
    
    .portal-hero {
        padding: 120px 0 40px;
    }
    
    .portal-hero h1 {
        font-size: 2.5rem;
    }
    
    .stats-row {
        flex-direction: column;
        gap: 32px;
    }
    
    .topic-image {
        height: 140px;
    }
    
    .topic-icon {
        font-size: 4rem;
    }
}