/* ==========================================================================
   AI PULSE HOST - News Portal Professional Design
   ========================================================================== */

:root {
    /* Photographic Gray Palette */
    --portal-bg: #2b2b2b; /* Lighter, photographic gray */
    --portal-card-bg: #363636; /* Slightly lighter for cards */
    --portal-text: #f5f5f5;
    --portal-text-muted: #b0b0b0;
    
    /* Turquoise Green Accent */
    --portal-accent: #00d2a8; /* Turquoise/Teal Green */
    --portal-accent-alt: #00e5ff;
    
    --portal-border: rgba(255, 255, 255, 0.15);
    --portal-header-height: 80px;
    
    /* Design-Bold Typography */
    --font-heading: 'Playfair Display', serif; /* Bold, high-contrast serif */
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

body.news-portal {
    background-color: var(--portal-bg);
    color: var(--portal-text);
    font-family: var(--font-body);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.container-portal {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.portal-header {
    border-bottom: 1px solid var(--portal-border);
    padding: 24px 0;
    margin-bottom: 40px;
}

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

.portal-brand h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin: 0;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #fff 0%, var(--portal-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.portal-brand p {
    color: var(--portal-text-muted);
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.8rem;
    margin-top: 8px;
}

/* Navigation */
.portal-nav {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 24px;
}

.portal-nav a {
    color: var(--portal-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s;
}

.portal-nav a:hover {
    color: var(--portal-accent);
}

/* Featured Section */
.hero-news {
    display: grid;
    grid-template-columns: 1fr;
    margin-bottom: 60px;
    border: 1px solid var(--portal-border);
    border-radius: 12px;
    overflow: hidden;
    background: var(--portal-card-bg);
}

.hero-content {
    padding: 48px;
}

.hero-category {
    color: var(--portal-accent);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    margin-bottom: 16px;
    display: block;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    line-height: 1.1;
    margin: 0 0 24px 0;
}

.hero-excerpt {
    color: var(--portal-text-muted);
    font-size: 1.25rem;
    margin-bottom: 32px;
    max-width: 800px;
}

/* Magazine Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 80px;
}

.portal-section-title {
    grid-column: 1 / -1;
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--portal-accent);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.portal-card {
    background: var(--portal-card-bg);
    border: 1px solid var(--portal-border);
    border-radius: 8px;
    padding: 24px;
    transition: transform 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
}

.portal-card:hover {
    transform: translateY(-4px);
    border-color: var(--portal-accent);
}

.card-meta-portal {
    font-size: 0.75rem;
    color: var(--portal-text-muted);
    text-transform: uppercase;
    margin-bottom: 12px;
    display: flex;
    gap: 12px;
}

.card-title-portal {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin: 0 0 16px 0;
    line-height: 1.3;
    color: var(--portal-text);
}

.card-excerpt-portal {
    font-size: 0.95rem;
    color: var(--portal-text-muted);
    margin-bottom: 20px;
    flex-grow: 1;
}

.card-link-portal {
    color: var(--portal-accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-link-portal:hover {
    text-decoration: underline;
}

/* Footer */
.portal-footer {
    border-top: 1px solid var(--portal-border);
    padding: 60px 0;
    margin-top: 80px;
    text-align: center;
    color: var(--portal-text-muted);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--portal-text);
    margin-bottom: 16px;
}

/* Responsive */
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
    .hero-content {
        padding: 24px;
    }
    .hero-title {
        font-size: 2rem;
    }
    .portal-nav {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
}

/* Perplexity Card Overrides for News Portal */
.perplexity-card {
    background: var(--portal-card-bg) !important;
    border: 1px solid var(--portal-border) !important;
    border-radius: 12px !important;
    padding: 24px !important;
    margin-bottom: 24px !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2) !important;
}

.perplexity-card:hover {
    border-color: var(--portal-accent) !important;
    transform: translateY(-4px) !important;
}

.card-title {
    font-family: var(--font-heading) !important;
    font-size: 1.25rem !important;
    color: #fff !important;
    margin-bottom: 12px !important;
}

.card-category {
    background: var(--portal-accent) !important;
    color: #fff !important;
    font-size: 0.7rem !important;
    padding: 4px 8px !important;
    border-radius: 4px !important;
}

.perspective-section h4 {
    color: var(--portal-accent) !important;
    font-family: var(--font-body) !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    font-size: 0.8rem !important;
    margin-top: 16px !important;
}

.ai-summary-btn {
    background: var(--portal-accent) !important;
    color: #fff !important;
    border: none !important;
    padding: 8px 16px !important;
    border-radius: 6px !important;
    font-weight: 600 !important;
    font-size: 0.85rem !important;
}

.card-link {
    color: var(--portal-text-muted) !important;
    text-decoration: none !important;
    font-size: 0.85rem !important;
}

.card-link:hover {
    color: var(--portal-accent) !important;
}

/* Section Header Overrides */
.grid-section {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
}

.grid-section-header {
    font-family: var(--font-heading) !important;
    font-size: 1.5rem !important;
    color: #fff !important;
    border-bottom: 2px solid var(--portal-accent) !important;
    margin-bottom: 24px !important;
    padding-bottom: 8px !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
}