/*
  VK8 Official Bangladesh - Master Stylesheet
  Domain: vk8.cn.com
  Target: Bangladesh Market (English)
  CSS Prefix: vk8
  Brand Palette: Obsidian Black (#0B0F19), Navy Card (#111827), Royal Blue (#2563EB), Amber Gold (#F59E0B), Emerald (#10B981)
*/

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --vk8-bg: #0B0F19;
  --vk8-surface: #111827;
  --vk8-surface-alt: #1F2937;
  --vk8-surface-card: #182234;
  --vk8-ink: #F9FAFB;
  --vk8-ink-muted: #9CA3AF;
  --vk8-ink-light: #6B7280;
  --vk8-border: #374151;
  --vk8-border-light: #4B5563;
  --vk8-primary: #2563EB;
  --vk8-primary-hover: #1D4ED8;
  --vk8-primary-glow: rgba(37, 99, 235, 0.25);
  --vk8-gold: #F59E0B;
  --vk8-gold-hover: #D97706;
  --vk8-gold-glow: rgba(245, 158, 11, 0.25);
  --vk8-emerald: #10B981;
  --vk8-emerald-dark: #059669;
  --vk8-accent-red: #EF4444;
  --vk8-radius-sm: 6px;
  --vk8-radius: 10px;
  --vk8-radius-lg: 16px;
  --vk8-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.25);
  --vk8-shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --vk8-font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --vk8-font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --vk8-max-width: 1240px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--vk8-font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--vk8-ink);
  background-color: var(--vk8-bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 70px;
}

/* TOP COMPLIANCE BAR */
.vk8-top-bar {
  background-color: #060911;
  color: #9CA3AF;
  font-size: 0.8rem;
  padding: 6px 16px;
  border-bottom: 1px solid #1F2937;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.vk8-top-bar span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.vk8-badge-18 {
  background: var(--vk8-accent-red);
  color: #FFF;
  font-weight: 700;
  font-size: 0.72rem;
  padding: 1px 6px;
  border-radius: 4px;
}

/* STICKY HEADER */
.vk8-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #0F172A;
  border-bottom: 2px solid var(--vk8-gold);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

.vk8-header-container {
  max-width: var(--vk8-max-width);
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.vk8-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #FFF;
}

.vk8-brand img {
  height: 42px;
  width: auto;
  display: block;
}

.vk8-brand-title {
  display: flex;
  flex-direction: column;
}

.vk8-brand-title .main-name {
  font-family: var(--vk8-font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: #FFF;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.vk8-brand-title .main-name span {
  color: var(--vk8-gold);
}

.vk8-brand-title .sub-name {
  font-size: 0.72rem;
  color: #9CA3AF;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* MAIN NAVIGATION */
.vk8-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.vk8-nav a {
  color: #E2E8F0;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 8px 12px;
  border-radius: var(--vk8-radius-sm);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.vk8-nav a:hover,
.vk8-nav a.active {
  background-color: #1E293B;
  color: var(--vk8-gold);
}

/* HEADER ACTION BUTTONS */
.vk8-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.vk8-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 18px;
  font-family: var(--vk8-font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--vk8-radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  white-space: nowrap;
}

.vk8-btn-login {
  background: transparent;
  color: #FFF;
  border: 1px solid #4B5563;
}

.vk8-btn-login:hover {
  background: #1F2937;
  border-color: #9CA3AF;
}

.vk8-btn-register {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  color: #0B0F19;
  box-shadow: 0 2px 8px var(--vk8-gold-glow);
}

.vk8-btn-register:hover {
  background: linear-gradient(135deg, #FBBF24 0%, #B45309 100%);
  transform: translateY(-1px);
}

.vk8-btn-blue {
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: #FFF;
  box-shadow: 0 2px 8px var(--vk8-primary-glow);
}

.vk8-btn-blue:hover {
  background: linear-gradient(135deg, #3B82F6 0%, #1E40AF 100%);
  transform: translateY(-1px);
}

/* BREADCRUMBS */
.vk8-breadcrumbs {
  max-width: var(--vk8-max-width);
  margin: 12px auto 0;
  padding: 0 16px;
  font-size: 0.82rem;
  color: var(--vk8-ink-muted);
}

.vk8-breadcrumbs a {
  color: #60A5FA;
  text-decoration: none;
}

.vk8-breadcrumbs a:hover {
  text-decoration: underline;
}

.vk8-breadcrumbs .sep {
  margin: 0 6px;
  color: #4B5563;
}

.vk8-breadcrumbs .current {
  color: #D1D5DB;
  font-weight: 500;
}

/* QUICK SIBLING BAR */
.vk8-quick-bar {
  max-width: var(--vk8-max-width);
  margin: 10px auto;
  padding: 8px 16px;
  background-color: var(--vk8-surface);
  border-radius: var(--vk8-radius-sm);
  border: 1px solid var(--vk8-border);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
}

.vk8-quick-label {
  font-weight: 700;
  color: var(--vk8-gold);
}

.vk8-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.vk8-quick-links a {
  color: #93C5FD;
  text-decoration: none;
  background-color: var(--vk8-surface-alt);
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 500;
  transition: all 0.15s ease;
}

.vk8-quick-links a:hover {
  background-color: #2563EB;
  color: #FFF;
}

/* MAIN LAYOUT */
.vk8-main {
  max-width: var(--vk8-max-width);
  margin: 16px auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  flex: 1;
}

.vk8-main.full-width {
  grid-template-columns: 1fr;
}

.vk8-content {
  background-color: var(--vk8-surface);
  border: 1px solid var(--vk8-border);
  border-radius: var(--vk8-radius);
  padding: 24px;
  box-shadow: var(--vk8-shadow);
}

/* SIDEBAR */
.vk8-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.vk8-card {
  background-color: var(--vk8-surface);
  border: 1px solid var(--vk8-border);
  border-radius: var(--vk8-radius);
  padding: 20px;
  box-shadow: var(--vk8-shadow);
}

.vk8-card-title {
  font-family: var(--vk8-font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--vk8-ink);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--vk8-gold);
}

.vk8-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.vk8-card ul li a {
  color: #D1D5DB;
  text-decoration: none;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--vk8-radius-sm);
  background: var(--vk8-surface-alt);
  transition: all 0.2s ease;
}

.vk8-card ul li a:hover {
  background: var(--vk8-primary);
  color: #FFF;
}

/* HERO SECTION */
.vk8-hero {
  background: linear-gradient(135deg, #111827 0%, #1E1B4B 50%, #0F172A 100%);
  border: 1px solid #374151;
  border-radius: var(--vk8-radius-lg);
  padding: 36px 30px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--vk8-shadow-lg);
}

.vk8-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: var(--vk8-gold);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 9999px;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vk8-hero h1 {
  font-family: var(--vk8-font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.25;
  color: #FFF;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.vk8-hero-banner-img {
  width: 100%;
  height: auto;
  border-radius: var(--vk8-radius);
  margin-bottom: 20px;
  border: 1px solid #374151;
}

.vk8-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.vk8-hero-actions .vk8-btn {
  padding: 12px 24px;
  font-size: 1rem;
}

/* EXPERT INSIGHT CALLOUT (E-E-A-T) */
.vk8-expert-callout {
  background-color: rgba(37, 99, 235, 0.1);
  border-left: 4px solid var(--vk8-primary);
  border-top: 1px solid rgba(37, 99, 235, 0.2);
  border-right: 1px solid rgba(37, 99, 235, 0.2);
  border-bottom: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 0 var(--vk8-radius-sm) var(--vk8-radius-sm) 0;
  padding: 14px 18px;
  margin: 18px 0;
  font-size: 0.88rem;
  color: #D1D5DB;
  line-height: 1.6;
}

.vk8-expert-callout strong {
  color: #60A5FA;
}

/* TL;DR BOX */
.vk8-tldr-box {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(17, 24, 39, 0.9) 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--vk8-radius);
  padding: 18px 20px;
  margin: 20px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.vk8-tldr-box .tldr-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--vk8-font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--vk8-gold);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vk8-tldr-box p {
  color: #E5E7EB;
  font-size: 0.92rem;
  margin: 0;
}

/* ANSWER CAPSULE (AEO / GEO) */
.vk8-answer-capsule {
  background-color: #132036;
  border-left: 4px solid var(--vk8-gold);
  padding: 12px 16px;
  border-radius: 0 var(--vk8-radius-sm) var(--vk8-radius-sm) 0;
  margin: 12px 0 16px;
  font-size: 0.9rem;
  color: #F3F4F6;
  line-height: 1.55;
}

.vk8-answer-capsule strong {
  color: var(--vk8-gold);
}

/* CONTENT TYPOGRAPHY */
.vk8-content h2 {
  font-family: var(--vk8-font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: #FFF;
  margin: 28px 0 12px;
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--vk8-border);
  padding-bottom: 8px;
}

.vk8-content h3 {
  font-family: var(--vk8-font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: #E2E8F0;
  margin: 20px 0 8px;
}

.vk8-content p {
  margin-bottom: 16px;
  color: #D1D5DB;
  font-size: 0.95rem;
}

.vk8-content a {
  color: #60A5FA;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

.vk8-content a:hover {
  color: var(--vk8-gold);
}

.vk8-content ul,
.vk8-content ol {
  margin: 12px 0 20px 24px;
  color: #D1D5DB;
  font-size: 0.95rem;
}

.vk8-content li {
  margin-bottom: 8px;
}

/* RESPONSIVE DATA TABLES */
.vk8-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 20px 0;
  border-radius: var(--vk8-radius);
  border: 1px solid var(--vk8-border);
}

.vk8-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  background-color: var(--vk8-surface);
  text-align: left;
}

.vk8-table th {
  background-color: #1F2937;
  color: var(--vk8-gold);
  font-family: var(--vk8-font-heading);
  font-weight: 700;
  padding: 12px 14px;
  border-bottom: 2px solid var(--vk8-border);
  white-space: nowrap;
}

.vk8-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--vk8-border);
  color: #E5E7EB;
}

.vk8-table tr:last-child td {
  border-bottom: none;
}

.vk8-table tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

/* SPOKE DIRECTORY GRID */
.vk8-spoke-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.vk8-spoke-card {
  background-color: var(--vk8-surface-card);
  border: 1px solid var(--vk8-border);
  border-radius: var(--vk8-radius);
  padding: 16px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.vk8-spoke-card:hover {
  border-color: var(--vk8-gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
}

.vk8-spoke-card h4 {
  font-family: var(--vk8-font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFF;
  margin-bottom: 6px;
}

.vk8-spoke-card p {
  font-size: 0.84rem;
  color: #9CA3AF;
  margin-bottom: 12px;
  line-height: 1.45;
}

.vk8-spoke-card .card-cta {
  font-size: 0.82rem;
  color: var(--vk8-gold);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* FAQ ACCORDION */
.vk8-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}

.vk8-faq-item {
  background-color: var(--vk8-surface-alt);
  border: 1px solid var(--vk8-border);
  border-radius: var(--vk8-radius-sm);
  padding: 14px 18px;
}

.vk8-faq-item h3 {
  font-family: var(--vk8-font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #F9FAFB;
  margin: 0 0 8px;
}

.vk8-faq-item p {
  color: #D1D5DB;
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.55;
}

/* CTA BANNER STRIP */
.vk8-cta-strip {
  background: linear-gradient(135deg, #1E1B4B 0%, #0F172A 100%);
  border: 1px solid var(--vk8-gold);
  border-radius: var(--vk8-radius);
  padding: 24px;
  margin: 32px 0 16px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.vk8-cta-strip h3 {
  font-family: var(--vk8-font-heading);
  font-size: 1.45rem;
  color: #FFF;
  margin-bottom: 8px;
}

.vk8-cta-strip p {
  color: #CBD5E1;
  font-size: 0.92rem;
  max-width: 600px;
  margin: 0 auto 16px;
}

/* FOOTER */
.vk8-footer {
  background-color: #060911;
  border-top: 1px solid var(--vk8-border);
  color: #9CA3AF;
  padding: 40px 16px 20px;
  font-size: 0.85rem;
  margin-top: 40px;
}

.vk8-footer-container {
  max-width: var(--vk8-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}

.vk8-footer-brand h4 {
  font-family: var(--vk8-font-heading);
  font-size: 1.25rem;
  color: #FFF;
  margin-bottom: 12px;
}

.vk8-footer-col h5 {
  font-family: var(--vk8-font-heading);
  font-size: 0.95rem;
  color: var(--vk8-gold);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vk8-footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.vk8-footer-col ul li a {
  color: #9CA3AF;
  text-decoration: none;
  transition: color 0.15s ease;
}

.vk8-footer-col ul li a:hover {
  color: #FFF;
}

.vk8-footer-bottom {
  max-width: var(--vk8-max-width);
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid #1F2937;
  text-align: center;
  font-size: 0.78rem;
  color: #6B7280;
}

/* MOBILE BOTTOM BAR */
.vk8-mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background-color: #0F172A;
  border-top: 2px solid var(--vk8-gold);
  z-index: 1000;
  justify-content: space-around;
  align-items: center;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.4);
}

.vk8-mobile-bar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #9CA3AF;
  font-size: 0.72rem;
  font-weight: 600;
  gap: 2px;
  flex: 1;
  height: 100%;
}

.vk8-mobile-bar a.active,
.vk8-mobile-bar a:hover {
  color: var(--vk8-gold);
}

.vk8-mobile-bar .mob-icon {
  font-size: 1.15rem;
}

.vk8-mobile-bar .mob-cta {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  color: #0B0F19 !important;
  font-weight: 700;
}

/* RESPONSIVE QUERIES */
@media (max-width: 992px) {
  .vk8-main {
    grid-template-columns: 1fr;
  }
  .vk8-sidebar {
    order: 2;
  }
  .vk8-nav {
    display: none;
  }
  .vk8-mobile-bar {
    display: flex;
  }
  .vk8-footer-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .vk8-hero h1 {
    font-size: 1.6rem;
  }
  .vk8-hero {
    padding: 24px 18px;
  }
  .vk8-footer-container {
    grid-template-columns: 1fr;
  }
  .vk8-content {
    padding: 16px;
  }
}