/* SearcherX OSINT Blog — Ultra-Premium Metallic & Cyber Intelligence Styling */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --blog-bg: #060609;
  --blog-card-bg: rgba(14, 14, 20, 0.75);
  --blog-card-border: rgba(255, 255, 255, 0.08);
  --blog-card-hover: rgba(99, 102, 241, 0.35);
  --blog-accent: #6366f1;
  --blog-accent-cyan: #06b6d4;
  --blog-accent-emerald: #10b981;
  --blog-text-primary: #f4f4f7;
  --blog-text-secondary: #a1a1aa;
  --blog-text-muted: #71717a;
  --font-sans: 'Space Grotesk', -apple-system, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Base resets & typography */
body.blog-body {
  background-color: var(--blog-bg);
  color: var(--blog-text-primary);
  font-family: var(--font-sans);
  margin: 0;
  padding: 0;
  line-height: 1.65;
  overflow-x: hidden;
  cursor: auto !important;
}

body.blog-body * {
  box-sizing: border-box;
}

/* Background Atmosphere */
.blog-aurora-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: 
    radial-gradient(circle at 20% 15%, rgba(99, 102, 241, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 80% 60%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 90%, rgba(16, 185, 129, 0.06) 0%, transparent 50%);
}

.blog-grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

/* Reading Progress Bar */
#blog-reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blog-accent-cyan), var(--blog-accent), var(--blog-accent-emerald));
  width: 0%;
  z-index: 9999;
  transition: width 0.1s ease-out;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.6);
}

/* Navigation Header */
.blog-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: rgba(8, 8, 12, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 100;
}

.blog-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
}

.blog-nav-brand .brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(6, 182, 212, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blog-accent-cyan);
  font-size: 1rem;
}

.blog-nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.blog-lang-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 3px 6px;
  border-radius: 20px;
}

.blog-lang-selector a {
  padding: 4px 9px;
  font-size: 0.72rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--blog-text-secondary);
  border-radius: 14px;
  transition: all 0.2s;
  font-family: var(--font-mono);
}

.blog-lang-selector a:hover {
  color: #fff;
}

.blog-lang-selector a.active {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.blog-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
  transition: all 0.2s;
}

.blog-nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

/* Main Container */
.blog-wrap {
  position: relative;
  z-index: 1;
  max-width: 1140px;
  margin: 0 auto;
  padding: 116px 24px 80px;
}

/* Hero Section (Index) */
.blog-hero {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 48px;
}

.blog-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: #a5b4fc;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 18px;
  font-family: var(--font-mono);
}

.blog-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 16px;
  color: #fff;
  letter-spacing: -0.02em;
}

.blog-hero p {
  color: var(--blog-text-secondary);
  font-size: 1.1rem;
  line-height: 1.6;
  margin: 0 0 28px;
}

/* Search & Filter Bar */
.blog-controls-bar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

.blog-search-box {
  position: relative;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
}

.blog-search-box i {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--blog-text-muted);
  font-size: 1rem;
}

.blog-search-input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  background: rgba(14, 14, 20, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  backdrop-filter: blur(12px);
  transition: all 0.25s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.blog-search-input:focus {
  border-color: var(--blog-accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2), 0 8px 24px rgba(0, 0, 0, 0.6);
}

.blog-category-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.category-pill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--blog-text-secondary);
  padding: 6px 14px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}

.category-pill:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.07);
}

.category-pill.active {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.4);
  color: #c7d2fe;
}

/* Blog Posts Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.blog-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--blog-card-bg);
  border: 1px solid var(--blog-card-border);
  border-radius: 20px;
  padding: 28px;
  text-decoration: none;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.6), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--blog-card-hover);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 35px rgba(99, 102, 241, 0.15);
}

.blog-card:hover::before {
  opacity: 1;
}

.blog-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.blog-card-chip {
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: #a5b4fc;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blog-card-readtime {
  font-size: 0.75rem;
  color: var(--blog-text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.blog-card h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
  margin: 0 0 12px;
  transition: color 0.2s;
}

.blog-card:hover h2 {
  color: #a5b4fc;
}

.blog-card p {
  color: var(--blog-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 20px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: auto;
}

.blog-card-date {
  font-size: 0.78rem;
  color: var(--blog-text-muted);
  font-family: var(--font-mono);
}

.blog-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blog-accent-cyan);
  font-size: 0.82rem;
  font-weight: 700;
  transition: transform 0.2s ease;
}

.blog-card:hover .blog-card-cta i {
  transform: translateX(4px);
}

/* Empty Search Result State */
#blog-empty-state {
  display: none;
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--blog-text-muted);
}

#blog-empty-state i {
  font-size: 2.5rem;
  margin-bottom: 12px;
  color: var(--blog-text-secondary);
}

/* ─────────────────────────────────────────────────────────────
   SINGLE ARTICLE DETAIL VIEW
   ───────────────────────────────────────────────────────────── */
.blog-article {
  max-width: 840px;
  margin: 0 auto;
}

.blog-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--blog-text-muted);
  margin-bottom: 24px;
}

.blog-crumbs a {
  color: var(--blog-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.blog-crumbs a:hover {
  color: #fff;
}

.blog-article-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.blog-article-info {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.82rem;
  color: var(--blog-text-secondary);
  font-family: var(--font-mono);
}

.blog-article-info span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.blog-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.blog-share-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.blog-article h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.blog-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #d4d4d8;
  margin-bottom: 28px;
  padding: 16px 20px;
  background: rgba(99, 102, 241, 0.05);
  border-left: 3px solid var(--blog-accent);
  border-radius: 0 12px 12px 0;
}

/* Article HTML Body */
.blog-body-html {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #d4d4d8;
  margin-bottom: 40px;
}

.blog-body-html h2 {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 700;
  color: #fff;
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.blog-body-html h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #e4e4e7;
  margin: 28px 0 12px;
}

.blog-body-html p {
  margin: 0 0 20px;
}

.blog-body-html strong {
  color: #fff;
  font-weight: 700;
}

.blog-body-html ul, .blog-body-html ol {
  margin: 0 0 24px 20px;
  padding: 0;
}

.blog-body-html li {
  margin-bottom: 10px;
  padding-left: 6px;
}

.blog-body-html a {
  color: var(--blog-accent-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.2s;
}

.blog-body-html a:hover {
  color: #fff;
}

/* FAQ Accordions */
.blog-faq {
  margin: 48px 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.blog-faq h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.blog-faq details {
  background: rgba(14, 14, 20, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 16px 20px;
  margin-bottom: 12px;
  transition: all 0.25s ease;
}

.blog-faq details[open] {
  background: rgba(22, 22, 32, 0.85);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.blog-faq summary {
  font-weight: 700;
  font-size: 1rem;
  color: #f4f4f5;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.blog-faq summary::-webkit-details-marker {
  display: none;
}

.blog-faq summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.85rem;
  color: var(--blog-text-muted);
  transition: transform 0.25s ease;
}

.blog-faq details[open] summary::after {
  transform: rotate(180deg);
  color: var(--blog-accent-cyan);
}

.blog-faq details p {
  margin: 14px 0 0;
  color: var(--blog-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Related Articles */
.blog-related {
  margin: 54px 0 36px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.blog-related h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
}

/* High-Converting CTA Banner */
.blog-cta-banner {
  margin-top: 48px;
  padding: 40px 32px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.3);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
}

.blog-cta-banner h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 10px;
}

.blog-cta-banner p {
  color: var(--blog-text-secondary);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto 24px;
}

.blog-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 30px;
  background: #ffffff;
  color: #08080e;
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.blog-cta-btn:hover {
  transform: translateY(-2px);
  background: #f0f0f5;
  box-shadow: 0 14px 38px rgba(255, 255, 255, 0.35);
}

/* Footer */
.blog-foot {
  text-align: center;
  padding: 40px 24px 60px;
  color: var(--blog-text-muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  position: relative;
  z-index: 1;
}

.blog-foot a {
  color: var(--blog-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.blog-foot a:hover {
  color: #fff;
}

/* Responsive */
@media (max-width: 768px) {
  .blog-nav {
    padding: 0 16px;
  }
  .blog-wrap {
    padding-top: 96px;
  }
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .blog-hero h1 {
    font-size: 1.95rem;
  }
}