/* ==========================================================================
   AINewsPro - Modern Light & Minimal AI Magazine Theme
   Upgraded: Larger Typography, Premium AI Mesh Gradients & Executive Dropdowns
   ainewspro.com
   ========================================================================== */

:root {
    --bg-body: #f8fafc;
    --bg-surface: #ffffff;
    --bg-subtle: #f8fafc;
    --bg-alt: #f1f5f9;
    
    /* Vibrant AI Blue & Logo Gradient Palette */
    --ai-blue-primary: #2563eb;
    --ai-blue-hover: #1d4ed8;
    --ai-blue-light: #eff6ff;
    --ai-blue-border: #bfdbfe;
    --ai-cyan: #00d2ff;
    --ai-electric: #38bdf8;
    --ai-indigo: #4f46e5;
    --ai-violet: #7c3aed;
    --ai-purple: #6a11cb;
    
    /* Ethereal Ambient Mesh Gradients directly aligned with logo ribbon */
    --ai-gradient-primary: linear-gradient(135deg, #00d2ff 0%, #2563eb 50%, #7c3aed 100%);
    --ai-gradient-badge: linear-gradient(135deg, #00d2ff 0%, #2563eb 100%);
    --ai-gradient-accent: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --ai-gradient-card: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
    --ai-gradient-hero: linear-gradient(135deg, rgba(239, 246, 255, 0.75) 0%, rgba(240, 249, 255, 0.65) 50%, rgba(245, 243, 255, 0.6) 100%);
    --ai-gradient-glow: linear-gradient(90deg, #00d2ff, #2563eb, #7c3aed);


    /* Typography & Contrast Hierarchy */
    --text-primary: #090d16;    /* Deep Tech Black-Slate */
    --text-secondary: #273449;  /* Crisp High-Legibility Slate */
    --text-muted: #596a82;      /* Clear Subtext */
    --text-light: #8ca0ba;
    
    --border-color: #e2e8f0;
    --border-subtle: #edf2f7;
    --border-glow: rgba(96, 165, 250, 0.35);
    
    /* Shadows & Ambient Glows */
    --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.07), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
    --shadow-lg: 0 20px 45px -10px rgba(37, 99, 235, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
    --shadow-dropdown: 0 25px 50px -12px rgba(15, 23, 42, 0.18), 0 0 0 1px rgba(226, 232, 240, 0.95);
    --shadow-card-hover: 0 22px 48px -10px rgba(37, 99, 235, 0.16), 0 4px 16px -2px rgba(15, 23, 42, 0.05);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --radius-full: 9999px;

    --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    --font-sans: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-display: -apple-system, BlinkMacSystemFont, 'Plus Jakarta Sans', 'Outfit', 'Inter', 'Segoe UI', sans-serif;
}

/* Base Reset & Increased Typography Scale */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 17.5px; /* Increased font scale for exceptional readability */
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-body);
    color: var(--text-secondary);
    line-height: 1.68;
    /* Rich, Multi-Dimensional AI Mesh Background Gradient with Logo Ribbon Colors */
    background-image: 
        radial-gradient(1400px 800px at 50% -120px, rgba(0, 210, 255, 0.11), rgba(37, 99, 235, 0.12) 40%, rgba(124, 58, 237, 0.08) 80%, transparent 100%),
        radial-gradient(900px 650px at 0% 15%, rgba(0, 210, 255, 0.09), transparent 65%),
        radial-gradient(950px 700px at 100% 22%, rgba(124, 58, 237, 0.09), transparent 70%),
        radial-gradient(1100px 800px at 50% 68%, rgba(37, 99, 235, 0.06), transparent 70%),
        linear-gradient(180deg, #f8fafc 0%, #ffffff 25%, #f8fafc 60%, #ffffff 100%);
    background-attachment: fixed;
    min-height: 100vh;

}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

img, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Layout Container */
.container {
    width: 100%;
    max-width: 1320px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* Reading Progress Bar */
#reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3.5px;
    width: 0%;
    background: var(--ai-gradient-primary);
    z-index: 2000;
    transition: width 0.1s ease-out;
}

/* ==========================================================================
   Header & Executive Navigation with Dropdowns
   ========================================================================== */

/* Top Pulse Bar */
.top-pulse-bar {
    background: #090e1a;
    color: #cbd5e1;
    font-size: 0.825rem;
    padding: 9px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-pulse-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.ticker-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
    white-space: nowrap;
}

.ticker-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(37, 99, 235, 0.35);
    color: #60a5fa;
    border: 1px solid rgba(96, 165, 250, 0.4);
    padding: 3px 10px;
    border-radius: 6px;
    font-weight: 800;
    font-size: 0.75rem;
    letter-spacing: 0.8px;
}

.ticker-headline {
    color: #f1f5f9;
    font-weight: 600;
    font-size: 0.85rem;
}

.ticker-headline:hover {
    color: #60a5fa;
}

.top-meta {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 0.825rem;
    color: #94a3b8;
    flex-shrink: 0;
}

.top-meta a:hover {
    color: #ffffff;
}

/* Main Executive Header */
.main-header {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.85);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.site-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.site-logo img {
    height: 52px;
    width: auto;
}

/* Navigation Links & Dropdown Architecture */
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--ai-blue-primary);
    background-color: var(--ai-blue-light);
}

.nav-chevron {
    transition: transform 0.25s ease;
    opacity: 0.6;
}

.nav-item:hover .nav-chevron {
    transform: rotate(180deg);
    opacity: 1;
    color: var(--ai-blue-primary);
}

/* Dropdown Menu Container */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 260px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 14px;
    box-shadow: var(--shadow-dropdown);
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s;
    z-index: 1100;
    pointer-events: none;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* Mega Dropdown for Topics & Companies */
.dropdown-mega {
    min-width: 580px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 16px;
}

.dropdown-col-title {
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 6px 12px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--border-subtle);
}

.dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--ai-blue-light);
}

.dropdown-icon-box {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: #eff6ff;
    color: var(--ai-blue-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 800;
    font-size: 0.85rem;
    transition: var(--transition);
}

.dropdown-item:hover .dropdown-icon-box {
    background: var(--ai-blue-primary);
    color: #ffffff;
}

.dropdown-title {
    font-size: 0.925rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
    margin-bottom: 2px;
}

.dropdown-sub {
    font-size: 0.775rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.dropdown-footer-link {
    grid-column: span 2;
    background: #f8fafc;
    border-top: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ai-blue-primary);
    margin-top: 4px;
}

.dropdown-footer-link:hover {
    background: var(--ai-blue-light);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.search-toggle-btn {
    background: #f1f5f9;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.search-toggle-btn:hover {
    background: var(--ai-blue-light);
    color: var(--ai-blue-primary);
    border-color: var(--ai-blue-border);
}

.btn-subscribe-header {
    background: var(--ai-gradient-primary);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 11px 22px;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-subscribe-header:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(37, 99, 235, 0.38);
    color: #ffffff;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 6px;
}

/* Secondary Category Strip */
.category-strip {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 11px 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.category-strip::-webkit-scrollbar {
    display: none;
}

.category-strip-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.cat-pill {
    font-size: 0.85rem;
    font-weight: 600;
    padding: 7px 16px;
    border-radius: var(--radius-full);
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 7px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

.cat-pill:hover, .cat-pill.active {
    background: var(--ai-blue-light);
    color: var(--ai-blue-primary);
    border-color: var(--ai-blue-border);
    transform: translateY(-1px);
}

.cat-pill .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--ai-blue-primary);
}

/* ==========================================================================
   Hero Featured Section (Editorial Layout)
   ========================================================================== */

.hero-section {
    padding: 32px 0 44px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 12fr;
    gap: 28px;
}

@media (min-width: 992px) {
    .hero-grid {
        grid-template-columns: 7.2fr 4.8fr;
    }
}

/* Lead Hero Article Card */
.lead-hero-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    transition: var(--transition);
}

.lead-hero-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--border-glow);
}

.lead-hero-thumb {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    background-color: #0f172a;
}

.lead-hero-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.lead-hero-card:hover .lead-hero-thumb img {
    transform: scale(1.05);
}

.hero-badge-float {
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 10;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 15px;
    border-radius: var(--radius-full);
    font-size: 0.785rem;
    font-weight: 800;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    color: #ffffff;
    background: var(--ai-gradient-badge);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.lead-hero-body {
    padding: 28px 32px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.lead-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.lead-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.lead-hero-title {
    font-family: var(--font-display);
    font-size: 2.15rem; /* Larger Title */
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-primary);
    margin-bottom: 14px;
    letter-spacing: -0.025em;
    transition: var(--transition);
}

.lead-hero-card:hover .lead-hero-title {
    color: var(--ai-blue-primary);
}

.lead-hero-excerpt {
    font-size: 1.05rem; /* Larger Excerpt */
    color: var(--text-secondary);
    line-height: 1.62;
    margin-bottom: 22px;
    flex-grow: 1;
}

.lead-hero-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 18px;
    border-top: 1px solid var(--border-subtle);
}

.author-chip {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0284c7, #2563eb);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
}

.author-name {
    font-size: 0.925rem;
    font-weight: 700;
    color: var(--text-primary);
}

.read-more-link {
    font-size: 0.925rem;
    font-weight: 800;
    color: var(--ai-blue-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.read-more-link:hover {
    gap: 10px;
}

/* Secondary Hero Stack */
.hero-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stacked-card {
    background: #ffffff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 18px;
    display: flex;
    gap: 18px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stacked-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-md);
}

.stacked-thumb {
    width: 150px;
    height: 105px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: #0f172a;
}

.stacked-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.stacked-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.stacked-cat {
    font-size: 0.775rem;
    font-weight: 800;
    color: var(--ai-blue-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.stacked-title {
    font-size: 1.05rem; /* Larger Title */
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.stacked-card:hover .stacked-title {
    color: var(--ai-blue-primary);
}

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

/* Trending List Box */
.trending-box {
    background: linear-gradient(180deg, #ffffff 0%, #f0f7ff 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 22px;
}

.trending-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.trending-item {
    display: flex;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.trending-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.trending-num {
    font-size: 1.35rem;
    font-weight: 900;
    color: #93c5fd;
    line-height: 1;
    width: 26px;
    flex-shrink: 0;
}

.trending-item-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
}

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

/* ==========================================================================
   AI Companies Showcase Strip on Homepage
   ========================================================================== */
.companies-showcase-section {
    padding: 28px 0 36px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    margin: 10px 0 36px;
}

.companies-scroll-wrap {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 6px 2px;
}

.companies-scroll-wrap::-webkit-scrollbar {
    display: none;
}

.company-mini-pill {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 18px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.company-mini-pill:hover {
    border-color: var(--ai-blue-border);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.company-mini-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 0.75rem;
    color: #ffffff;
}

.company-mini-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}

.company-mini-val {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Main Content & Sidebar Layout
   ========================================================================== */

.content-sidebar-wrap {
    display: grid;
    grid-template-columns: 12fr;
    gap: 36px;
    padding: 28px 0 64px;
}

@media (min-width: 992px) {
    .content-sidebar-wrap {
        grid-template-columns: 8fr 4fr;
    }
}

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--border-color);
    position: relative;
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.5rem; /* Larger Section Header */
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.015em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 70px;
    height: 2px;
    background: var(--ai-gradient-primary);
}

/* Post Cards Grid */
.posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
}

@media (min-width: 640px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.post-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.post-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-md);
}

.post-card-thumb {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    background-color: #0f172a;
}

.post-card-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.post-card:hover .post-card-thumb img {
    transform: scale(1.06);
}

.post-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.825rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.post-cat-tag {
    font-weight: 800;
    color: var(--ai-blue-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.post-card-title {
    font-size: 1.22rem; /* Larger Card Headline */
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-primary);
    margin-bottom: 12px;
    transition: var(--transition);
}

.post-card:hover .post-card-title {
    color: var(--ai-blue-primary);
}

.post-card-excerpt {
    font-size: 0.95rem; /* Larger Excerpt */
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 18px;
    flex-grow: 1;
}

.post-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--border-subtle);
    font-size: 0.825rem;
    color: var(--text-muted);
}

/* Sidebar Widgets */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.widget {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 26px;
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.widget-title::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 44px;
    height: 2px;
    background: var(--ai-blue-primary);
}

/* Newsletter Widget */
.newsletter-card {
    background: linear-gradient(135deg, #090e1a 0%, #1e293b 50%, #1e3a8a 100%);
    color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 32px 26px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.newsletter-card::after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.3) 0%, transparent 70%);
}

.newsletter-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(37, 99, 235, 0.4);
    border: 1px solid rgba(96, 165, 250, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #38bdf8;
    margin-bottom: 18px;
}

.newsletter-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
    line-height: 1.25;
}

.newsletter-sub {
    font-size: 0.925rem;
    color: #94a3b8;
    margin-bottom: 22px;
    line-height: 1.55;
}

.newsletter-input {
    width: 100%;
    padding: 13px 18px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 0.925rem;
    outline: none;
    transition: var(--transition);
}

.newsletter-input:focus {
    border-color: #60a5fa;
    background: rgba(255, 255, 255, 0.16);
}

.btn-newsletter {
    background: var(--ai-gradient-primary);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.925rem;
    padding: 13px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
    transition: var(--transition);
}

.btn-newsletter:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.55);
}

.newsletter-privacy {
    font-size: 0.775rem;
    color: #94a3b8;
    text-align: center;
    margin-top: 12px;
}

/* Categories List Widget */
.widget-cat-list {
    list-style: none;
}

.widget-cat-item {
    border-bottom: 1px solid var(--border-subtle);
}

.widget-cat-item:last-child {
    border-bottom: none;
}

.widget-cat-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.widget-cat-link:hover {
    color: var(--ai-blue-primary);
    padding-left: 6px;
}

.cat-count {
    background: #f1f5f9;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 3px 9px;
    border-radius: var(--radius-full);
}

/* ==========================================================================
   Article Detail Page (High Editorial Readability & Large Typography)
   ========================================================================== */

.article-page {
    padding: 36px 0 70px;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.breadcrumbs a:hover {
    color: var(--ai-blue-primary);
}

.breadcrumbs .sep {
    color: #cbd5e1;
}

.article-header {
    margin-bottom: 32px;
}

.article-category-badge {
    display: inline-flex;
    margin-bottom: 16px;
}

.article-title {
    font-family: var(--font-display);
    font-size: 2.75rem; /* Large Impact Title */
    font-weight: 900;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

@media (max-width: 768px) {
    .article-title {
        font-size: 2.1rem;
    }
}

.article-deck {
    font-size: 1.25rem; /* Editorial Subdeck */
    line-height: 1.6;
    color: #3b495e;
    margin-bottom: 24px;
}

.article-meta-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    gap: 18px;
    flex-wrap: wrap;
}

.article-author-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

.article-author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--ai-gradient-primary);
    color: #ffffff;
    font-weight: 800;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-author-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.article-author-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-stats {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Social Share Bar */
.share-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 24px 0;
}

.share-label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-right: 8px;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #ffffff;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.share-btn:hover {
    background: var(--ai-blue-light);
    color: var(--ai-blue-primary);
    border-color: var(--ai-blue-border);
    transform: translateY(-2px);
}

/* Article Featured Image */
.article-featured-img {
    margin: 28px 0 36px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: #0f172a;
}

.article-featured-img img {
    width: 100%;
    max-height: 560px;
    object-fit: cover;
}

/* Article Body Typography (Large, Comfortable 1.15rem) */
.article-content {
    font-size: 1.15rem;
    line-height: 1.85;
    color: #1a2233;
}

.article-content p {
    margin-bottom: 1.65rem;
}

.article-content h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-top: 2.5rem;
    margin-bottom: 1.15rem;
    letter-spacing: -0.02em;
}

.article-content h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 0.9rem;
}

.article-content ul, .article-content ol {
    margin: 1.35rem 0 1.65rem 2rem;
}

.article-content li {
    margin-bottom: 0.65rem;
}

.article-content blockquote {
    margin: 2.25rem 0;
    padding: 1.4rem 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
    border-left: 5px solid var(--ai-blue-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: #1e3a8a;
    font-size: 1.2rem;
}

.article-callout {
    background: linear-gradient(135deg, #eff6ff 0%, #f0fdf4 100%);
    border: 1px solid #bfdbfe;
    border-radius: var(--radius-md);
    padding: 22px 28px;
    margin: 2.25rem 0;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.06);
    font-size: 1.1rem;
}

.article-content code {
    background: #f1f5f9;
    padding: 2px 7px;
    border-radius: 5px;
    font-size: 0.9em;
    color: #e11d48;
}

.article-content pre {
    background: #090e1a;
    color: #f8fafc;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 1.75rem 0;
    font-size: 0.95rem;
}

/* Article Tags */
.article-tags-wrap {
    margin: 36px 0;
    padding-top: 22px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.tag-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
}

.tag-pill {
    font-size: 0.825rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.tag-pill:hover {
    background: var(--ai-blue-light);
    color: var(--ai-blue-primary);
    border-color: var(--ai-blue-border);
}

/* Author Bio Card */
.author-bio-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin: 40px 0;
    display: flex;
    gap: 22px;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
}

.author-bio-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--ai-gradient-primary);
    color: #ffffff;
    font-size: 1.6rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.author-bio-name {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.author-bio-title {
    font-size: 0.875rem;
    color: var(--ai-blue-primary);
    font-weight: 600;
    margin-bottom: 12px;
}

.author-bio-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background: #090e1a;
    color: #94a3b8;
    padding: 64px 0 28px;
    border-top: 1px solid #1e293b;
    margin-top: 50px;
}

.footer-top {
    display: grid;
    grid-template-columns: 12fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 992px) {
    .footer-top {
        grid-template-columns: 4fr 2.5fr 2.5fr 3fr;
    }
}

.footer-brand p {
    font-size: 0.925rem;
    line-height: 1.65;
    margin-top: 16px;
    color: #94a3b8;
}

.footer-col-title {
    font-size: 0.925rem;
    font-weight: 800;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.925rem;
    color: #94a3b8;
}

.footer-links a:hover {
    color: #38bdf8;
    padding-left: 6px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 26px;
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 14px;
}

.footer-legal-links {
    display: flex;
    gap: 20px;
}

.footer-legal-links a:hover {
    color: #ffffff;
}

/* Global Search Modal */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(10px);
    z-index: 3000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 100px;
}

.search-modal.active {
    display: flex;
}

.search-modal-box {
    background: #ffffff;
    width: 100%;
    max-width: 680px;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    margin: 0 20px;
}

.search-modal-head {
    display: flex;
    align-items: center;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    gap: 14px;
}

.search-input-field {
    flex-grow: 1;
    border: none;
    outline: none;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.search-modal-close {
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--text-muted);
}

/* Clean up ad container styles to ensure zero empty space */
.adsense-container {
    display: none !important;
}

/* Mobile Responsive Adjustments */
@media (max-width: 991px) {
    .main-nav {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
    }
}