/* OKLV Bangladesh Official Theme - 2026 Mobile-First CSS */
:root {
  --bg-primary: #0a0f1d;
  --bg-secondary: #111a2e;
  --bg-card: #162238;
  --bg-card-hover: #1c2b45;
  --accent-gold: #f59e0b;
  --accent-emerald: #10b981;
  --accent-blue: #3b82f6;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #243552;
  --border-focus: #f59e0b;
  --danger-color: #ef4444;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  --max-width: 1200px;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 70px; /* Space for mobile sticky CTA bar */
}

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover, a:focus {
  color: #fbbf24;
  text-decoration: underline;
}

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

/* Compliance Bar */
.compliance-banner {
  background: #0f172a;
  border-bottom: 1px solid var(--border-color);
  padding: 6px 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

.compliance-banner strong {
  color: var(--danger-color);
}

/* Header */
.site-header {
  background: rgba(17, 26, 46, 0.95);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-color);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo img {
  width: 150px;
  height: 40px;
  object-fit: contain;
}

.main-nav {
  display: none;
}

@media (min-width: 992px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .main-nav a {
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    padding: 6px 8px;
    border-radius: 6px;
  }
  .main-nav a:hover {
    color: var(--accent-gold);
    background: rgba(245, 158, 11, 0.1);
    text-decoration: none;
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* CTA Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none !important;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #0b0f19;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid var(--accent-emerald);
}

.btn-secondary:hover {
  background: rgba(16, 185, 129, 0.25);
  color: #34d399;
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* Breadcrumbs */
.breadcrumbs-bar {
  background: #0d1424;
  border-bottom: 1px solid var(--border-color);
  padding: 10px 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumbs-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.breadcrumbs-container ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.breadcrumbs-container li+li::before {
  content: "/";
  margin-right: 6px;
  color: var(--text-muted);
}

.breadcrumbs-container a {
  color: var(--text-secondary);
}

.breadcrumbs-container [aria-current="page"] {
  color: var(--accent-gold);
  font-weight: 500;
}

/* Layout */
.main-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 20px;
  flex: 1;
  width: 100%;
}

/* Hero Section */
.page-hero {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px 24px;
  margin-bottom: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  align-items: center;
}

.hero-badge {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.page-title {
  font-size: 1.85rem;
  line-height: 1.3;
  color: #ffffff;
  margin-bottom: 16px;
  font-weight: 800;
}

@media (min-width: 768px) {
  .page-title {
    font-size: 2.35rem;
  }
}

/* Direct Answer Callout Box (40-60 words answer) */
.direct-answer-box {
  background: rgba(245, 158, 11, 0.08);
  border-left: 4px solid var(--accent-gold);
  border-radius: 0 12px 12px 0;
  padding: 18px 22px;
  margin-bottom: 24px;
}

.direct-answer-box h3 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent-gold);
  margin-bottom: 8px;
}

.direct-answer-box p {
  font-size: 1.05rem;
  color: var(--text-primary);
  line-height: 1.6;
  margin: 0;
}

/* Feature Image */
.hero-image-wrap {
  margin: 20px 0 24px 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: #0f172a;
}

.hero-image-wrap img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Content Body */
.content-body {
  color: var(--text-secondary);
  font-size: 1.02rem;
}

.content-body h2 {
  font-size: 1.5rem;
  color: #ffffff;
  margin: 36px 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 700;
}

.content-body h3 {
  font-size: 1.25rem;
  color: var(--accent-gold);
  margin: 24px 0 12px 0;
  font-weight: 600;
}

.content-body p {
  margin-bottom: 18px;
}

.content-body ul, .content-body ol {
  margin: 16px 0 24px 24px;
}

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

/* Comparison Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 24px 0;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 600px;
}

th {
  background: #1e2d4a;
  color: #ffffff;
  padding: 14px 18px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border-color);
}

td {
  padding: 14px 18px;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

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

tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.02);
}

/* Numbered Step Cards */
.steps-container {
  display: grid;
  gap: 16px;
  margin: 24px 0;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  gap: 18px;
}

.step-number {
  background: var(--accent-emerald);
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.step-content h4 {
  color: #ffffff;
  margin-bottom: 6px;
  font-size: 1.1rem;
}

.step-content p {
  color: var(--text-secondary);
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Conversion Callout Cards */
.cta-card {
  background: radial-gradient(circle at top right, #1e293b, #0f172a);
  border: 2px solid var(--accent-gold);
  border-radius: 16px;
  padding: 30px;
  margin: 36px 0;
  text-align: center;
  box-shadow: 0 10px 25px rgba(245, 158, 11, 0.15);
}

.cta-card h3 {
  font-size: 1.6rem;
  color: #ffffff;
  margin-bottom: 12px;
}

.cta-card p {
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 20px auto;
  font-size: 1.05rem;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* FAQ Accordion */
.faq-section {
  margin: 40px 0;
}

.faq-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  font-size: 1.05rem;
}

.faq-question:hover {
  background: var(--bg-card-hover);
}

.faq-answer {
  padding: 0 20px 16px 20px;
  color: var(--text-secondary);
  font-size: 0.97rem;
  line-height: 1.6;
}

/* Related Silo Links */
.silo-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
  margin: 20px 0 36px 0;
}

.silo-link-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.silo-link-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
  text-decoration: none;
}

.silo-link-card strong {
  color: #ffffff;
  font-size: 0.98rem;
  margin-bottom: 6px;
  display: block;
}

.silo-link-card span {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* Sticky Mobile Bottom CTA */
.sticky-mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--border-color);
  padding: 10px 16px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

@media (min-width: 768px) {
  .sticky-mobile-cta {
    display: none;
  }
}

.sticky-mobile-cta .btn {
  flex: 1;
  padding: 12px;
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  background: #080c16;
  border-top: 1px solid var(--border-color);
  padding: 40px 20px 30px 20px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--text-secondary);
}

.footer-col a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
}

.footer-bottom p {
  margin-bottom: 10px;
}


/* Additional In-Content Real Web Images & Author Styles */
.content-image-wrap {
  margin: 26px 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.content-image-wrap img {
  width: 100%;
  max-width: 650px;
  height: auto;
  margin: 14px auto 0 auto;
  border-radius: 8px;
  display: block;
  object-fit: contain;
}

.content-image-wrap figcaption {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  padding: 10px 14px;
  background: rgba(15, 23, 42, 0.7);
  border-top: 1px solid var(--border-color);
  margin-top: 12px;
}

.author-profile-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  margin: 30px 0;
}

.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-gold);
  flex-shrink: 0;
}