/* ===================================================================
   绿树加速器 | LVSHU.HOMES - CYBERPUNK NEON ENGINE STYLESHEET
   Aesthetic: Hacker Underground / Neon Noir / Cyberpunk Terminal
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,300;0,400;0,600;0,700;0,800;1,400&family=Orbitron:wght@500;700;800;900&display=swap');

:root {
  --bg-core: #050608;
  --bg-card: rgba(10, 15, 24, 0.82);
  --bg-card-hover: rgba(16, 25, 40, 0.95);
  --border-dim: #162436;
  --border-neon: rgba(0, 255, 136, 0.45);
  --border-magenta: rgba(255, 42, 109, 0.45);
  --neon-green: #00ff88;
  --neon-green-glow: rgba(0, 255, 136, 0.35);
  --neon-magenta: #ff2a6d;
  --neon-magenta-glow: rgba(255, 42, 109, 0.35);
  --neon-cyan: #05d9e8;
  --text-main: #e2e8f0;
  --text-muted: #8492a6;
  --text-dim: #4a5568;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-heading: 'Orbitron', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-w: 1200px;
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-core);
}

body {
  font-family: var(--font-mono);
  background-color: var(--bg-core);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Background Canvas & Grid */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
  opacity: 0.85;
}

.cyber-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: 
    linear-gradient(rgba(0, 255, 136, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 2;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 5;
}

/* Typography & Headings */
h1, h2, h3, h4, .cyber-heading {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: #ffffff;
}

p {
  color: var(--text-muted);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(5, 6, 8, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dim);
  height: 72px;
  display: flex;
  align-items: center;
}

.navbar .nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.1em;
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--neon-green-glow);
}

.brand-icon svg {
  width: 18px;
  height: 18px;
  fill: #050608;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
}

.nav-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--neon-green);
  text-shadow: 0 0 8px var(--neon-green-glow);
}

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

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

.nav-link.highlight {
  color: var(--neon-magenta);
}

.nav-link.highlight:hover {
  text-shadow: 0 0 8px var(--neon-magenta-glow);
}

.nav-link.highlight::after {
  background: var(--neon-magenta);
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #050608;
  background: var(--neon-green);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  box-shadow: 0 0 15px var(--neon-green-glow);
  transition: var(--transition);
}

.nav-cta-btn:hover {
  background: #ffffff;
  box-shadow: 0 0 25px var(--neon-green);
  transform: translateY(-2px);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-neon);
  color: var(--neon-green);
  padding: 8px 12px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 1rem;
}

/* Common Cyber Cut Cards */
.cyber-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  position: relative;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.cyber-card:hover {
  border-color: var(--neon-green);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.15);
  transform: translateY(-4px);
}

.cyber-card.magenta-card:hover {
  border-color: var(--neon-magenta);
  box-shadow: 0 0 20px rgba(255, 42, 109, 0.2);
}

.card-corner-decor {
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 14px 14px 0;
  border-color: transparent var(--neon-green) transparent transparent;
}

.magenta-card .card-corner-decor {
  border-color: transparent var(--neon-magenta) transparent transparent;
}

/* Terminal decoration styling */
.terminal-block {
  background: #020304;
  border: 1px solid #142230;
  border-left: 3px solid var(--neon-green);
  padding: 16px 20px;
  font-size: 0.84rem;
  color: #a0aec0;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed #1a2c3d;
  font-size: 0.75rem;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.terminal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.prompt-prefix {
  color: var(--neon-magenta);
  font-weight: 700;
  margin-right: 6px;
}

.prompt-cmd {
  color: #ffffff;
}

.prompt-ok {
  color: var(--neon-green);
  font-weight: 700;
}

/* Hero Section */
.hero-section {
  padding: 140px 0 70px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid var(--neon-green);
  color: var(--neon-green);
  margin-bottom: 24px;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--neon-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--neon-green);
  animation: pulse-anim 1.8s infinite;
}

@keyframes pulse-anim {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.hero-headline {
  font-size: 2.85rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 900;
}

.glitch-text {
  position: relative;
  display: inline-block;
  color: #fff;
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5), 0 0 20px rgba(0, 255, 136, 0.2);
}

.hero-subhead {
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.hero-desc {
  font-size: 0.96rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.btn-primary-neon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--neon-green);
  color: #050608;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  box-shadow: 0 0 25px var(--neon-green-glow);
  transition: var(--transition);
  cursor: pointer;
  min-height: 48px;
}

.btn-primary-neon:hover {
  background: #ffffff;
  color: #050608;
  box-shadow: 0 0 35px var(--neon-green);
  transform: translateY(-2px);
}

.btn-secondary-dofollow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  background: rgba(255, 42, 109, 0.08);
  border: 1px solid var(--neon-magenta);
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  box-shadow: 0 0 15px rgba(255, 42, 109, 0.2);
  transition: var(--transition);
  cursor: pointer;
  min-height: 48px;
}

.btn-secondary-dofollow:hover {
  background: var(--neon-magenta);
  color: #ffffff;
  box-shadow: 0 0 30px var(--neon-magenta);
  transform: translateY(-2px);
}

/* Stats Strip */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 50px;
  padding: 24px;
  background: rgba(10, 15, 24, 0.9);
  border: 1px solid var(--border-dim);
  border-top: 2px solid var(--neon-green);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.stat-item {
  text-align: center;
  border-right: 1px solid #162436;
  padding: 8px 12px;
}

.stat-item:last-child {
  border-right: none;
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--neon-green);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.stat-num.magenta {
  color: var(--neon-magenta);
}

.stat-label {
  font-size: 0.8rem;
  color: #94a3b8;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Section Header Shared */
.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--neon-magenta);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 10px;
  font-weight: 700;
}

.section-title {
  font-size: 2.1rem;
  margin-bottom: 14px;
}

.section-desc {
  max-width: 650px;
  margin: 0 auto;
  font-size: 0.95rem;
}

/* Features Grid (6 Hex-Icon Cards) */
.features-section {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
}

.hex-icon-box {
  width: 52px;
  height: 52px;
  background: rgba(0, 255, 136, 0.12);
  border: 1px solid var(--neon-green);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--neon-green);
  font-size: 1.25rem;
  transition: var(--transition);
}

.feature-card:hover .hex-icon-box {
  background: var(--neon-green);
  color: #050608;
  box-shadow: 0 0 20px var(--neon-green);
}

.feature-card.magenta-card .hex-icon-box {
  background: rgba(255, 42, 109, 0.12);
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
}

.feature-card.magenta-card:hover .hex-icon-box {
  background: var(--neon-magenta);
  color: #ffffff;
  box-shadow: 0 0 20px var(--neon-magenta);
}

.feature-title {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: #fff;
}

.feature-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Streaming & AI Cards */
.media-ai-section {
  padding: 60px 0 80px;
}

.media-ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.media-ai-card {
  padding: 32px 28px;
  border-top: 2px solid var(--neon-green);
}

.media-ai-card.ai-variant {
  border-top-color: var(--neon-magenta);
}

.media-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.media-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: #020406;
  border: 1px solid #1e3146;
  font-size: 0.8rem;
  color: #cbd5e1;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.media-pill .pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon-green);
}

.ai-variant .media-pill .pill-dot {
  background: var(--neon-magenta);
}

/* Node Network (47 Regions Grid) */
.nodes-section {
  padding: 80px 0;
}

.nodes-container-card {
  padding: 36px 30px;
  background: rgba(8, 12, 18, 0.95);
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.node-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: #03060a;
  border: 1px solid #132232;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
  font-size: 0.84rem;
  transition: var(--transition);
}

.node-item:hover {
  border-color: var(--neon-green);
  transform: translateY(-2px);
  background: #0a1320;
}

.node-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--neon-green);
  box-shadow: 0 0 6px var(--neon-green);
}

.node-name {
  color: #ffffff;
  font-weight: 500;
}

.node-ping {
  color: var(--neon-green);
  font-size: 0.76rem;
  font-family: var(--font-mono);
}

/* Pricing Tiers */
.pricing-section {
  padding: 80px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border: 1px solid var(--neon-green);
  box-shadow: 0 0 35px rgba(0, 255, 136, 0.22);
  transform: scale(1.03);
  background: rgba(12, 22, 34, 0.95);
  z-index: 6;
}

.tier-badge {
  position: absolute;
  top: 14px;
  right: 18px;
  font-size: 0.7rem;
  padding: 3px 8px;
  background: var(--neon-green);
  color: #050608;
  font-weight: 800;
  letter-spacing: 0.08em;
  clip-path: polygon(0 0, calc(100% - 4px) 0, 100% 4px, 100% 100%, 4px 100%, 0 calc(100% - 4px));
}

.tier-name {
  font-size: 1.35rem;
  margin-bottom: 8px;
  color: #fff;
}

.tier-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  min-height: 38px;
}

.tier-price-box {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px dashed #1e3146;
}

.tier-currency {
  font-size: 1.25rem;
  color: var(--neon-green);
  vertical-align: top;
  margin-right: 2px;
}

.tier-amount {
  font-size: 3rem;
  font-family: var(--font-heading);
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
}

.tier-period {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.tier-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.tier-feature-item {
  font-size: 0.86rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #cbd5e1;
}

.tier-feature-item svg {
  width: 14px;
  height: 14px;
  fill: var(--neon-green);
  flex-shrink: 0;
}

.pricing-btn {
  width: 100%;
  text-align: center;
  padding: 14px 20px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  cursor: pointer;
  transition: var(--transition);
  display: block;
}

.pricing-btn-primary {
  background: var(--neon-green);
  color: #050608;
  box-shadow: 0 0 20px var(--neon-green-glow);
}

.pricing-btn-primary:hover {
  background: #ffffff;
  box-shadow: 0 0 30px var(--neon-green);
}

.pricing-btn-outline {
  background: transparent;
  color: #ffffff;
  border: 1px solid #2a415a;
}

.pricing-btn-outline:hover {
  border-color: var(--neon-green);
  color: var(--neon-green);
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

/* Operator Feedback (Reviews) */
.reviews-section {
  padding: 80px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.hex-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #122131, #1a324b);
  border: 1px solid var(--neon-cyan);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--neon-cyan);
}

.reviewer-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
}

.reviewer-role {
  font-size: 0.74rem;
  color: var(--neon-green);
}

.review-text {
  font-size: 0.86rem;
  line-height: 1.6;
  color: #94a3b8;
  position: relative;
  font-style: italic;
}

/* FAQ Accordion */
.faq-section {
  padding: 80px 0 100px;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #070b10;
  border: 1px solid #162436;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: var(--transition);
  overflow: hidden;
}

.faq-item.active {
  border-color: var(--neon-green);
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.1);
}

.faq-question {
  padding: 18px 22px;
  font-family: var(--font-heading);
  font-size: 0.96rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--neon-green);
  font-family: var(--font-mono);
  transition: transform 0.25s ease;
}

.faq-item.active .faq-icon {
  color: var(--neon-magenta);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
  font-size: 0.88rem;
  color: #94a3b8;
  padding: 0 22px;
  line-height: 1.65;
  border-top: 1px dashed transparent;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 16px 22px 20px;
  border-top-color: #162436;
}

/* Footer (4-col grid + neon accent bottom bar) */
.site-footer {
  background: #020305;
  border-top: 1px solid #142230;
  padding: 60px 0 30px;
  position: relative;
  z-index: 10;
}

.footer-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.footer-col-card {
  padding: 24px 20px;
  background: rgba(10, 15, 24, 0.6);
  border: 1px solid #162436;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: var(--transition);
  display: block;
}

.footer-col-card:hover {
  border-color: var(--neon-green);
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.15);
  transform: translateY(-3px);
}

.footer-col-title {
  font-size: 1.05rem;
  color: #ffffff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-col-title .col-arrow {
  color: var(--neon-green);
  transition: transform 0.2s ease;
}

.footer-col-card:hover .col-arrow {
  transform: translateX(4px);
}

.footer-col-desc {
  font-size: 0.8rem;
  color: #64748b;
  line-height: 1.5;
}

.footer-accent-bar {
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, transparent, var(--neon-green), var(--neon-magenta), transparent);
  margin-bottom: 24px;
}

.footer-bottom-copy {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: #4a5568;
}

.footer-bottom-copy a {
  color: #64748b;
}

.footer-bottom-copy a:hover {
  color: var(--neon-green);
}

/* Scroll reveal helper */
.reveal-item {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================================================
   RESPONSIVE DESIGN & MOBILE OPTIMIZATIONS (@media)
   =================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .pricing-card.featured {
    transform: none;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .nodes-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-headline {
    font-size: 2.1rem;
  }
  .navbar .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(5, 6, 8, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-neon);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 99;
  }
  .navbar .nav-links.open {
    transform: translateY(0);
  }
  .mobile-toggle {
    display: block;
  }
  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .stat-item {
    border-right: none;
    border-bottom: 1px solid #162436;
    padding: 12px 6px;
  }
  .stat-item:nth-child(3), .stat-item:nth-child(4) {
    border-bottom: none;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .media-ai-grid {
    grid-template-columns: 1fr;
  }
  .nodes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid-4 {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .footer-bottom-copy {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-headline {
    font-size: 1.75rem;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .btn-primary-neon, .btn-secondary-dofollow {
    width: 100%;
  }
  .stats-strip {
    grid-template-columns: 1fr;
  }
  .stat-item {
    border-bottom: 1px solid #162436;
  }
  .stat-item:last-child {
    border-bottom: none;
  }
  .nodes-grid {
    grid-template-columns: 1fr;
  }
}