/* BoostNet Landing Page - Pure Native CSS (Zero External Dependencies) */

:root {
  --bg-dark: #0b0f19;
  --bg-card: #131b2e;
  --bg-card-hover: #1a253e;
  --bg-header: rgba(11, 15, 25, 0.88);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-glow: rgba(59, 130, 246, 0.4);

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  --primary-blue: #3b82f6;
  --primary-cyan: #06b6d4;
  --primary-indigo: #6366f1;
  --accent-green: #10b981;

  --gradient-brand: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --gradient-card: linear-gradient(180deg, rgba(19, 27, 46, 0.9) 0%, rgba(15, 21, 37, 0.95) 100%);
  --gradient-glow: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(6, 182, 212, 0.12));

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;

  --container-width: 1240px;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(6, 182, 212, 0.05) 0%, transparent 40%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.9rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

/* Header Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--primary-cyan);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1.3rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffffff;
  background: var(--gradient-brand);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

/* Hero Section (Left-Right Split Layout) */
.hero {
  padding: 4.5rem 0 3.5rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-text {
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  color: var(--primary-cyan);
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse-dot 2s infinite;
}

.hero-title {
  font-size: clamp(2.3rem, 4.2vw, 3.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.2rem;
  letter-spacing: -1px;
}

.hero-title .brand-name {
  background: linear-gradient(135deg, #60a5fa 0%, #38bdf8 50%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 2.2rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  background: var(--gradient-brand);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
  transition: all 0.25s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.55);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Quick Stats Bar in Hero */
.hero-stats {
  display: flex;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-val {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary-cyan);
}

.hero-stat-lbl {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Hero Right: Dynamic Visual Card Elements */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.visual-card-wrapper {
  width: 100%;
  max-width: 480px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
  animation: float-card 6s ease-in-out infinite;
}

.visual-card-wrapper::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25), transparent 70%);
  pointer-events: none;
}

.visual-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.25rem;
}

.visual-title-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse-dot 1.8s infinite;
}

.ping-tag {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.12);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Nodes Latency Dynamic List */
.node-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 1.25rem;
}

.node-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.node-item:hover {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.3);
}

.node-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.node-flag {
  font-size: 1.1rem;
}

.node-ping {
  font-size: 0.8rem;
  font-family: monospace;
  color: var(--primary-cyan);
  font-weight: 700;
}

/* Dynamic Bandwidth Line */
.throughput-box {
  background: rgba(9, 13, 22, 0.6);
  border-radius: var(--radius-sm);
  padding: 0.9rem;
  border: 1px solid var(--border-color);
}

.throughput-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.throughput-val {
  color: var(--primary-cyan);
  font-weight: 700;
}

.progress-bar-bg {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 3px;
  width: 75%;
  animation: dynamic-load 3s ease-in-out infinite alternate;
}

/* Floating Badge overlays */
.floating-chip {
  position: absolute;
  background: rgba(19, 27, 46, 0.95);
  border: 1px solid var(--border-color-glow);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  backdrop-filter: blur(8px);
}

.chip-1 {
  top: -15px;
  left: -20px;
  animation: float-chip1 4s ease-in-out infinite;
}

.chip-2 {
  bottom: -15px;
  right: -15px;
  animation: float-chip2 5s ease-in-out infinite;
}

/* Keyframes Animations */
@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes float-chip1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes float-chip2 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes dynamic-load {
  0% { width: 60%; }
  50% { width: 88%; }
  100% { width: 72%; }
}

/* Section Common Styling */
.section {
  padding: 4.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-tag {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary-cyan);
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 0.8rem;
  line-height: 1.25;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.02rem;
}

/* Core Advantages Grid (3 Cards) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-glow);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--gradient-glow);
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary-cyan);
}

.feature-icon-wrapper svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Streaming & AI Support Cards */
.services-section {
  background: rgba(15, 21, 37, 0.5);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.service-card:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.3);
}

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 1.2rem;
}

.icon-ai {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.icon-stream {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.icon-game {
  background: rgba(168, 85, 247, 0.15);
  color: #a855f7;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.icon-privacy {
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.service-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.service-info p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Pricing Table (Real Market Reference Pricing) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.8rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.4);
}

.pricing-card.popular {
  border: 2px solid var(--primary-blue);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.25);
  background: linear-gradient(180deg, rgba(19, 27, 46, 1) 0%, rgba(26, 37, 62, 1) 100%);
}

.popular-badge {
  position: absolute;
  top: -14px;
  right: 20px;
  background: var(--gradient-brand);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.plan-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.plan-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.plan-price {
  font-size: 2.6rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.2rem;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.plan-price span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.plan-price-sub {
  font-size: 0.8rem;
  color: var(--primary-cyan);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.plan-features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--text-main);
  margin-bottom: 0.8rem;
}

.plan-features li svg {
  width: 18px;
  height: 18px;
  color: var(--accent-green);
  flex-shrink: 0;
}

.pricing-card .btn-cta {
  width: 100%;
  text-align: center;
  padding: 0.85rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: all 0.25s ease;
}

/* 9 SEO Article Cards Grid Section (Below Pricing) */
.articles-section {
  background: rgba(11, 15, 25, 0.7);
  border-top: 1px solid var(--border-color);
  padding: 5rem 0;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.8rem;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.45);
}

.article-card-header {
  height: 140px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.2));
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 1.5rem;
}

.article-icon-bg {
  font-size: 2.8rem;
  opacity: 0.9;
}

.article-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(9, 13, 22, 0.8);
  border: 1px solid var(--border-color-glow);
  color: var(--primary-cyan);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
}

.article-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-date {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.article-card-title {
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.8rem;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-cyan);
  transition: gap 0.2s ease;
}

.article-read-more:hover {
  gap: 0.7rem;
}

/* User Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stars {
  color: #f59e0b;
  font-size: 1rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
}

.user-details h5 {
  font-size: 0.95rem;
  font-weight: 700;
}

.user-details span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* FAQ Accordion (Pure Native HTML details/summary) */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

details.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

details.faq-item[open] {
  border-color: rgba(59, 130, 246, 0.4);
}

summary.faq-question {
  padding: 1.25rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

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

summary.faq-question::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--primary-cyan);
  transition: transform 0.2s ease;
  line-height: 1;
}

details[open] summary.faq-question::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Footer Section - ONLY 4 Required Titles/Links */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
  background: #060911;
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  transition: color 0.2s ease;
  position: relative;
  padding: 0.2rem 0;
}

.footer-nav a:hover {
  color: var(--primary-cyan);
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-align: center;
}

/* PBN Footer Friendship Links */
.footer-pbn-links {
  margin-top: 0.5rem;
  padding-top: 1.2rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  font-size: 0.88rem;
}

.pbn-label {
  color: var(--text-dim);
  font-weight: 500;
}

.pbn-link {
  color: var(--primary-cyan);
  font-weight: 600;
  transition: color 0.2s ease, text-shadow 0.2s ease;
  text-decoration: none;
}

.pbn-link:hover {
  color: #60a5fa;
  text-shadow: 0 0 10px rgba(96, 165, 250, 0.5);
  text-decoration: underline;
}

.pbn-divider {
  color: rgba(255, 255, 255, 0.2);
}

/* Subpages & SEO Article Detail Content Styling */
.page-header {
  padding: 4rem 0 2rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  background: rgba(17, 23, 38, 0.3);
}

.page-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.page-content {
  padding: 3.5rem 0 5rem;
  max-width: 900px;
  margin: 0 auto;
}

.content-block {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2rem;
}

.content-block h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--primary-cyan);
  margin: 1.8rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-color);
}

.content-block h2:first-child {
  margin-top: 0;
}

.content-block h3 {
  font-size: 1.18rem;
  font-weight: 600;
  color: #ffffff;
  margin: 1.4rem 0 0.6rem;
}

.content-block p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.75;
  margin-bottom: 1.2rem;
}

.content-block ul, .content-block ol {
  padding-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.75;
  margin-bottom: 1.2rem;
}

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

.content-block blockquote {
  border-left: 4px solid var(--primary-cyan);
  background: rgba(6, 182, 212, 0.08);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 1.2rem;
  color: var(--text-main);
  font-style: normal;
}

.content-block a.internal-link {
  color: var(--primary-cyan);
  text-decoration: underline;
  font-weight: 600;
}

.back-home {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-cyan);
  font-weight: 600;
  margin-bottom: 1.5rem;
  transition: transform 0.2s ease;
}

.back-home:hover {
  transform: translateX(-4px);
}

/* Sitemap Specific Grid */
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.sitemap-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.sitemap-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.8rem;
  margin-top: 0;
}

.sitemap-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sitemap-card li {
  margin-bottom: 0.6rem;
}

.sitemap-card a {
  color: var(--text-muted);
  transition: color 0.2s ease;
  font-size: 0.92rem;
}

.sitemap-card a:hover {
  color: var(--primary-cyan);
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-text {
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .visual-card-wrapper {
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .hero {
    padding: 3rem 0 2rem;
  }

  .features-grid, .pricing-grid, .articles-grid, .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    flex-direction: column;
    gap: 1.2rem;
  }

  .chip-1, .chip-2 {
    display: none;
  }
}