/* VCF Insider Custom Theme */
:root {
    /* VMware Brand Colors */
    --vmware-blue: #007CBA;
    --vmware-green: #8BC34A;
    --vmware-dark-gray: #2C3E50;
    --vmware-light-gray: #F8F9FA;
    --vmware-orange: #FF6B35;
    --vmware-white: #FFFFFF;
    --vmware-black: #1A1A1A;
    
    /* Text Colors */
    --text-primary: #2C3E50;
    --text-secondary: #6C757D;
    --text-muted: #ADB5BD;
    
    /* Border & Shadow */
    --border-light: #E9ECEF;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--vmware-white);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.site-header {
    background: var(--vmware-white);
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--vmware-blue);
    font-size: 1.5rem;
    font-weight: 700;
    transition: var(--transition);
}

.logo-link:hover {
    color: var(--vmware-green);
    transform: translateY(-1px);
}

.logo-link i {
    font-size: 1.75rem;
    filter: hue-rotate(200deg);
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--vmware-blue);
}

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

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

/* Main Content */
.main-content {
    min-height: calc(100vh - 140px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--vmware-blue) 0%, var(--vmware-green) 100%);
    color: var(--vmware-white);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--vmware-white);
    color: var(--vmware-blue);
}

.btn-primary:hover {
    background: var(--vmware-light-gray);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background: transparent;
    color: var(--vmware-white);
    border-color: var(--vmware-white);
}

.btn-secondary:hover {
    background: var(--vmware-white);
    color: var(--vmware-blue);
}

/* Articles Grid */
.articles-section {
    padding: 80px 0;
    background: var(--vmware-light-gray);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.article-card {
    background: var(--vmware-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--vmware-blue);
}

.article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

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

.article-content {
    padding: 1.5rem;
}

.article-category {
    background: var(--vmware-orange);
    color: var(--vmware-white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
    margin-bottom: 1rem;
}

.article-title {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.article-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.article-title a:hover {
    color: var(--vmware-blue);
}

.article-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.read-more {
    background: linear-gradient(135deg, var(--vmware-blue), var(--vmware-green));
    color: var(--vmware-white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.read-more:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

/* Page Layout */
.page-header {
    background: linear-gradient(135deg, var(--vmware-blue) 0%, var(--vmware-green) 100%);
    color: var(--vmware-white);
    padding: 60px 0;
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

.page-content {
    padding: 60px 0;
}

/* Post Layout */
.post-header {
    background: linear-gradient(135deg, var(--vmware-blue) 0%, var(--vmware-green) 100%);
    color: var(--vmware-white);
    padding: 60px 0;
}

.post-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.post-category {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-weight: 600;
}

.post-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.post-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.post-featured-image {
    margin-top: 2rem;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.post-featured-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.post-content {
    padding: 60px 0;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.post-content h1 { font-size: 2rem; }
.post-content h2 { font-size: 1.75rem; }
.post-content h3 { font-size: 1.5rem; }
.post-content h4 { font-size: 1.25rem; }

.post-content p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.post-content ul,
.post-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.post-content li {
    margin-bottom: 0.5rem;
}

.post-content blockquote {
    border-left: 4px solid var(--vmware-blue);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

.post-content code {
    background: var(--vmware-light-gray);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9em;
}

.post-content pre {
    background: var(--vmware-dark-gray);
    color: var(--vmware-white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: 2rem 0;
}

.post-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.post-original-link {
    margin: 3rem 0;
}

.original-link-box {
    background: var(--vmware-light-gray);
    border: 2px solid var(--vmware-blue);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
}

.original-link-box h3 {
    color: var(--vmware-blue);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.original-link-button {
    background: linear-gradient(135deg, var(--vmware-blue), var(--vmware-green));
    color: var(--vmware-white);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    margin-top: 1rem;
}

.original-link-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Footer */
.site-footer {
    background: var(--vmware-dark-gray);
    color: var(--vmware-white);
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--vmware-white);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section p {
    color: #ADB5BD;
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #ADB5BD;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--vmware-green);
}

.footer-bottom {
    border-top: 1px solid #495057;
    padding-top: 1rem;
    text-align: center;
    color: #ADB5BD;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        height: auto;
        padding: 1rem 0;
        gap: 1rem;
    }
    
    .nav-list {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-title,
    .post-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .articles-section,
    .page-content,
    .post-content {
        padding: 40px 0;
    }
    
    .article-content {
        padding: 1rem;
    }
}
/* --- Categories grid & cards (VCF Insider) --- */
.container .categories-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.categories-grid .category-card {
  background: var(--vmware-light-gray);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.categories-grid .category-card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-3px);
}

.categories-grid .category-icon  { font-size: 2rem;  margin-bottom: .5rem; }
.categories-grid .category-title { font-weight: 600;  margin: .25rem 0 .5rem; }
.categories-grid .category-meta  { color: var(--text-secondary); font-size: .95rem; margin-bottom: 1rem; }

.categories-grid .category-btn {
  display: inline-block;
  padding: .55rem 1rem;
  border-radius: var(--border-radius);
  background: #0091DA;
  color: #fff;
  text-decoration: none;
  font-weight: 500;
}


/* === PR: Category tile accents === */

/* === Category tile accents (uses per-card class to set --cat) === */
.categories-grid .category-card { 
  /* default if a tile has no class */
  --cat: #0091DA;
  border-top: 4px solid var(--cat);
}

/* Map each category to its brand-safe color */
.categories-grid .category-card.cloud-foundation { --cat: #0091DA; } /* Blue */
.categories-grid .category-card.networking       { --cat: #6DB33F; } /* Green */
.categories-grid .category-card.security         { --cat: #00A79D; } /* Teal */
.categories-grid .category-card.ai-automation    { --cat: #34B6E4; } /* Aqua */

/* Apply the accent color */
.categories-grid .category-card .category-icon { color: var(--cat); }

/* Make tile buttons match the category color */
.categories-grid .category-card .category-btn {
  background: var(--cat) !important;  /* override any earlier generic button color */
}

/* (Header color for AI & Automation, if not added yet) */
.category-box.ai-automation { background-color: #34B6E4; }
.category-box.ai-automation:hover { background-color: #2A94BB; transform: translateY(-3px); }
.icon-ai-automation { color: #34B6E4; }


/* subtle pop-on-load */
.badge-new { position: relative; animation: badge-pop 300ms ease-out 1; }
@keyframes badge-pop {
  0% { transform: scale(0.85); opacity: 0; }
  60% { transform: scale(1.06); opacity: 1; }
  100% { transform: scale(1); }
}

/* soft glow pulse a few times */
.badge-new.pulse {
  animation: badge-pop 300ms ease-out 1, badge-glow 2400ms ease-in-out 3;
}
@keyframes badge-glow {
  0%,100% { box-shadow: 0 0 0 rgba(255,107,53,0); }
  50%     { box-shadow: 0 0 16px rgba(255,107,53,0.45); }
}

/* respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .badge-new { animation: none !important; }
}


/* Keep title + badge aligned and wrap nicely */
.post-title,
.article-title {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
  width: 100%; /* <- add this here */
}

/* Certifications grid */
.cert-wrap { margin: 2.5rem 0; }
.cert-title { font-size: 1.25rem; margin-bottom: 1rem; color: var(--text-primary); }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem 1.25rem;
  align-items: center;
}

.cert-card {
  background: var(--vmware-light-gray);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--border-radius);
  text-align: center;
  padding: .75rem;
  transition: var(--transition);
}
.cert-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-light); }

.cert-card img {
  max-width: 100%;
  max-height: 56px;
  display: block;
  margin: 0 auto;
  filter: saturate(1.05);
}

.cert-caption {
  margin-top: .5rem;
  font-size: .85rem;
  color: var(--text-secondary);
}

/* Keep title + NEW pill aligned */
.post-title,
.article-title {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}

/* Expanding ring halo (subtle, runs a couple times) */
.badge-new.pulse::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 999px;
  border: 2px solid rgba(255,107,53,.55);
  opacity: 0;
  transform: scale(.85);
  pointer-events: none;
  animation: badge-ring 1600ms ease-out 2 400ms; /* 2 repeats, slight delay */
}
@keyframes badge-ring {
  0%   { opacity: .55; transform: scale(.85); }
  70%  { opacity: .12; transform: scale(1.55); }
  100% { opacity: 0;   transform: scale(1.7); }
}