:root {
  --bg-main: #f0f3f8;
  --bg-card: #eef2f7;
  --bg-input: #e6ebf2;
  --text-primary: #2d3748;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  --accent-purple: #6366f1;
  --accent-purple-hover: #4f46e5;
  --accent-teal: #0d9488;
  --accent-teal-light: #ccfbf1;
  --accent-blue: #3b82f6;
  
  --neu-flat: #eef2f7;
  --neu-shadow-light: #ffffff;
  --neu-shadow-dark: #cbd5e1;
  
  --neu-box-shadow: 8px 8px 16px #c4cdd8, -8px -8px 16px #ffffff;
  --neu-box-shadow-sm: 4px 4px 10px #c8d1dc, -4px -4px 10px #ffffff;
  --neu-inset-shadow: inset 4px 4px 8px #c4cdd8, inset -4px -4px 8px #ffffff;
  --neu-btn-shadow: 5px 5px 12px #c4cdd8, -5px -5px 12px #ffffff;
  --neu-btn-active: inset 3px 3px 6px #c4cdd8, inset -3px -3px 6px #ffffff;
  
  --border-radius-sm: 12px;
  --border-radius-md: 18px;
  --border-radius-lg: 24px;
  --border-radius-pill: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(240, 243, 248, 0.85);
  backdrop-filter: blur(12px);
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  box-shadow: var(--neu-box-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-purple);
  font-size: 1.4rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--border-radius-pill);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-purple);
  box-shadow: var(--neu-inset-shadow);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--bg-card);
  box-shadow: var(--neu-box-shadow);
  border-radius: var(--border-radius-sm);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 100;
  list-style: none;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.dropdown-item {
  margin-bottom: 6px;
}
.dropdown-item:last-child {
  margin-bottom: 0;
}

.dropdown-link {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.dropdown-link:hover {
  background: var(--bg-main);
  color: var(--accent-purple);
  box-shadow: var(--neu-box-shadow-sm);
}

/* Search Bar & Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-btn, .theme-toggle-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  background: var(--bg-card);
  box-shadow: var(--neu-btn-shadow);
  color: var(--text-primary);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.search-btn:hover, .theme-toggle-btn:hover {
  box-shadow: var(--neu-btn-active);
  color: var(--accent-purple);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--accent-purple);
  color: #ffffff;
  border-radius: var(--border-radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  box-shadow: 4px 4px 10px rgba(99, 102, 241, 0.35);
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--accent-purple-hover);
  transform: translateY(-2px);
  box-shadow: 6px 6px 14px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: var(--border-radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  box-shadow: var(--neu-btn-shadow);
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  box-shadow: var(--neu-btn-active);
  color: var(--accent-purple);
}

/* Hero Section */
.hero {
  padding: 60px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.6rem;
  line-height: 1.25;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero-content h1 span {
  color: var(--accent-purple);
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.tag {
  padding: 6px 14px;
  border-radius: var(--border-radius-pill);
  background: var(--bg-card);
  box-shadow: var(--neu-box-shadow-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

/* Dashboard Mockup (Hero Right) */
.hero-dashboard {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--neu-box-shadow);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(203, 213, 225, 0.4);
}

.dash-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dash-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-purple);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.dash-status {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--border-radius-pill);
  background: #dcfce7;
  color: #15803d;
  font-size: 0.75rem;
  font-weight: 600;
}

.dash-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-main);
  padding: 16px;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--neu-inset-shadow);
}

.stat-title {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-progress {
  width: 100%;
  height: 8px;
  background: #cbd5e1;
  border-radius: 4px;
  overflow: hidden;
  margin-top: 8px;
}

.stat-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-teal));
  border-radius: 4px;
}

/* Nodes Section */
.section {
  padding: 60px 0;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 40px;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1rem;
}

.nodes-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--neu-box-shadow);
  padding: 24px;
}

.node-table-wrapper {
  overflow-x: auto;
}

.node-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.node-table th, .node-table td {
  padding: 14px 16px;
}

.node-table th {
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 2px solid rgba(203, 213, 225, 0.4);
  font-size: 0.9rem;
}

.node-table tr {
  border-bottom: 1px solid rgba(203, 213, 225, 0.3);
  transition: var(--transition);
}

.node-table tr:hover {
  background: rgba(255, 255, 255, 0.5);
}

.flag {
  font-size: 1.2rem;
  margin-right: 8px;
}

.badge-green {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  background: #dcfce7;
  color: #166534;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-multiplier {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--accent-teal-light);
  color: var(--accent-teal);
  font-size: 0.8rem;
  font-weight: 600;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--border-radius-pill);
}

/* Pricing Section (Neumorphic Light adaptations of Image 2) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 20px;
}

.pricing-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--neu-box-shadow);
  padding: 36px 28px;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pricing-card.featured {
  border: 2px solid var(--accent-purple);
  box-shadow: 12px 12px 24px #c0c9d6, -12px -12px 24px #ffffff;
}

.badge-recommended {
  position: absolute;
  top: -14px;
  right: 24px;
  background: linear-gradient(135deg, #ff7e5f, #feb47b);
  color: white;
  padding: 4px 14px;
  border-radius: var(--border-radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 2px 4px 8px rgba(255, 126, 95, 0.3);
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
  text-align: center;
}

.plan-price {
  text-align: center;
  margin-bottom: 12px;
}

.plan-price .amount {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-purple);
}

.plan-price .period {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.plan-traffic {
  text-align: center;
  font-weight: 600;
  color: var(--text-secondary);
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(203, 213, 225, 0.5);
  margin-bottom: 20px;
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
}

.plan-features li {
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.plan-features li i {
  color: var(--accent-teal);
  margin-top: 4px;
}

.plan-sub-details {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 4px;
}

.pricing-card .btn-block {
  width: 100%;
  text-align: center;
  justify-content: center;
}

/* Quick Config Section */
.client-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
}

.client-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-md);
  box-shadow: var(--neu-box-shadow);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.client-card:hover {
  transform: translateY(-4px);
  box-shadow: 10px 10px 20px #c4cdd8, -10px -10px 20px #ffffff;
}

.client-icon {
  font-size: 2.2rem;
  margin-bottom: 10px;
  color: var(--accent-purple);
}

.client-name {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}

.client-os {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Articles Grid Section */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-md);
  box-shadow: var(--neu-box-shadow-sm);
  padding: 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.article-card:hover {
  box-shadow: var(--neu-box-shadow);
  transform: translateY(-3px);
}

.article-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: var(--border-radius-pill);
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-purple);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.article-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.4;
}

.article-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(203, 213, 225, 0.4);
  padding-top: 12px;
}

.read-more {
  color: var(--accent-purple);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* FAQ Accordion */
.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--neu-box-shadow-sm);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 18px 24px;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question i {
  transition: transform 0.3s ease;
  color: var(--accent-purple);
}

.faq-answer {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: none;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-item.active .faq-answer {
  display: block;
}

/* Reviews Carousel/Grid */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-md);
  box-shadow: var(--neu-box-shadow-sm);
  padding: 24px;
}

.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-main);
  box-shadow: var(--neu-box-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent-teal);
}

.review-user-info .name {
  font-weight: 700;
  font-size: 0.95rem;
}

.review-user-info .role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.review-rating {
  color: #f59e0b;
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.review-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Footer */
.footer {
  background: var(--bg-card);
  border-top: 1px solid rgba(255, 255, 255, 0.6);
  padding: 60px 0 20px;
  margin-top: 80px;
  box-shadow: 0 -8px 16px rgba(0, 0, 0, 0.02);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 12px;
  font-size: 0.9rem;
}

.footer-title {
  font-weight: 700;
  margin-bottom: 16px;
  font-size: 1rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-purple);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(203, 213, 225, 0.4);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Search Modal Overlay */
.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.search-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.search-box-card {
  background: var(--bg-card);
  width: 90%;
  max-width: 600px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--neu-box-shadow);
  padding: 28px;
  position: relative;
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-main);
  box-shadow: var(--neu-inset-shadow);
  padding: 12px 18px;
  border-radius: var(--border-radius-pill);
  margin-bottom: 20px;
}

.search-input-wrapper input {
  border: none;
  background: transparent;
  outline: none;
  width: 100%;
  font-size: 1rem;
  color: var(--text-primary);
}

.hot-searches {
  margin-top: 16px;
}

.hot-searches h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.hot-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hot-tag {
  padding: 6px 14px;
  border-radius: var(--border-radius-pill);
  background: var(--bg-main);
  box-shadow: var(--neu-box-shadow-sm);
  font-size: 0.85rem;
  color: var(--accent-purple);
  cursor: pointer;
  transition: var(--transition);
}

.hot-tag:hover {
  box-shadow: var(--neu-inset-shadow);
}

/* Article Page Layout Styles */
.article-page {
  padding: 40px 0 60px;
}

.article-container {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-card);
  padding: 40px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--neu-box-shadow);
}

.article-header-meta {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(203, 213, 225, 0.5);
}

.article-body h2 {
  font-size: 1.5rem;
  margin: 28px 0 14px;
  color: var(--text-primary);
}

.article-body h3 {
  font-size: 1.2rem;
  margin: 20px 0 10px;
  color: var(--text-primary);
}

.article-body p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.article-body ul, .article-body ol {
  margin-bottom: 20px;
  padding-left: 24px;
  color: var(--text-secondary);
}

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

.cta-box {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(13, 148, 136, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--border-radius-md);
  padding: 24px;
  text-align: center;
  margin: 36px 0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .article-container {
    padding: 24px;
  }
}