/* ==========================================================================
   Jeeyio Cloud (jeeyio.homes) - Official Landing Page Stylesheet
   Pure Native CSS - Ultra Fast Zero-Dependency Performance
   ========================================================================== */

:root {
  --bg-primary: #060913;
  --bg-secondary: #0c1222;
  --bg-card: rgba(15, 23, 42, 0.72);
  --bg-card-hover: rgba(23, 37, 84, 0.85);
  --bg-glass: rgba(12, 18, 34, 0.82);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 117, 160, 0.45);
  --border-glow: rgba(255, 117, 160, 0.55);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  /* 冰粉色 (Ice Pink / Frosted Pink) 核心色板 */
  --primary: #ff75a0;
  --primary-gradient: linear-gradient(135deg, #ffa8c5 0%, #ff6b8b 50%, #f43f68 100%);
  --primary-glow: rgba(255, 107, 139, 0.38);
  --accent-emerald: #10b981;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(255, 117, 160, 0.3);
}

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

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

body {
  font-family: var(--font-sans);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  background-color: var(--bg-primary);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Dynamic Animated Background & Ambient Glowing Effects
   ========================================================================== */
#dynamic-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
}

.ambient-lights {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  animation: floatOrb 20s infinite alternate ease-in-out;
}

.ambient-glow-1 {
  top: -8%;
  left: 12%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(255, 117, 160, 0.38) 0%, rgba(255, 168, 197, 0.08) 70%, transparent 100%);
  animation-duration: 18s;
}

.ambient-glow-2 {
  top: 35%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.45) 0%, rgba(139, 92, 246, 0.1) 70%, transparent 100%);
  animation-duration: 24s;
  animation-delay: -6s;
}

.ambient-glow-3 {
  bottom: 5%;
  left: 20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.25) 0%, rgba(255, 117, 160, 0.12) 70%, transparent 100%);
  animation-duration: 22s;
  animation-delay: -11s;
}

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

@keyframes floatOrb {
  0% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(45px, 60px) scale(1.1);
  }
  100% {
    transform: translate(-30px, 30px) scale(0.95);
  }
}

/* ==========================================================================
   Layout Containers & Utilities
   ========================================================================== */
.site-wrapper {
  position: relative;
  z-index: 1;
}

.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 85px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 55px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 117, 160, 0.1);
  border: 1px solid rgba(255, 117, 160, 0.32);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 9, 19, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 10px;
}

.logo-svg {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 32px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width 0.25s ease;
}

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

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  box-shadow: 0 4px 20px var(--primary-glow);
  border: none;
  padding: 12px 26px;
  font-size: 0.98rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(255, 107, 139, 0.55);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 12px 24px;
  font-size: 0.98rem;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 15px 36px;
  font-size: 1.08rem;
  border-radius: var(--radius-md);
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: rotate(30deg);
  animation: shine 4s infinite ease-in-out;
}

@keyframes shine {
  0% { transform: translateX(-100%) rotate(30deg); }
  25%, 100% { transform: translateX(100%) rotate(30deg); }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(255, 117, 160, 0.08);
  border: 1px solid rgba(255, 117, 160, 0.32);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 28px;
  box-shadow: 0 0 20px rgba(255, 117, 160, 0.18);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseBeacon 1.8s infinite;
}

@keyframes pulseBeacon {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 850;
  line-height: 1.18;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.18rem;
  color: var(--text-muted);
  max-width: 820px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px 30px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 1.9rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 4px;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Realtime Node Monitor & Speed Preview
   ========================================================================== */
.nodes-monitor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 36px;
}

.node-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.node-card:hover {
  border-color: var(--border-hover);
  background: rgba(23, 37, 84, 0.6);
  transform: translateY(-2px);
}

.node-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.node-flag {
  font-size: 1.5rem;
  line-height: 1;
}

.node-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: #ffffff;
}

.node-spec {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.node-status {
  text-align: right;
}

.node-ping {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--accent-emerald);
}

.node-state {
  font-size: 0.75rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 5px;
  justify-content: flex-end;
}

.node-state-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
}

/* ==========================================================================
   Features Section (优势解析)
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(255, 117, 160, 0.1);
  border: 1px solid rgba(255, 117, 160, 0.32);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--primary);
  font-size: 1.5rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   PRICING SECTION - STRICT REQUIREMENT: 所有价格同排 (All Same Row)
   ========================================================================== */
.pricing-section {
  position: relative;
  background: linear-gradient(180deg, rgba(6, 9, 19, 0) 0%, rgba(12, 18, 34, 0.6) 50%, rgba(6, 9, 19, 0) 100%);
}

.pricing-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  align-items: stretch;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: var(--transition);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.price-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 117, 160, 0.45);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
}

.price-card.featured {
  border: 1.5px solid var(--primary);
  background: linear-gradient(180deg, rgba(38, 16, 28, 0.85) 0%, rgba(12, 18, 34, 0.8) 100%);
  box-shadow: 0 0 35px var(--primary-glow);
}

.featured-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-gradient);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 14px var(--primary-glow);
  white-space: nowrap;
}

.price-header {
  margin-bottom: 22px;
}

.plan-name {
  font-size: 1.3rem;
  font-weight: 750;
  color: #ffffff;
  margin-bottom: 6px;
}

.plan-summary {
  font-size: 0.85rem;
  color: var(--text-dim);
  min-height: 38px;
}

.price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 18px 0;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-color);
}

.price-currency {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
}

.price-amount {
  font-size: 2.6rem;
  font-weight: 850;
  color: #ffffff;
  line-height: 1;
  font-family: var(--font-mono);
}

.price-cycle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 28px;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.45;
}

.plan-features li strong {
  color: #ffffff;
}

.feature-check {
  color: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 2px;
}

.price-cta-box {
  margin-top: auto;
}

.price-card .btn {
  width: 100%;
}

.price-cycle-tip {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 10px;
}

/* ==========================================================================
   Client Ecosystem Section
   ========================================================================== */
.client-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.client-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.client-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.client-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
  display: inline-block;
}

.client-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: #ffffff;
  margin-bottom: 6px;
}

.client-os {
  font-size: 0.8rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.client-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ==========================================================================
   Articles & Knowledge Hub
   ========================================================================== */
.articles-section {
  position: relative;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  text-decoration: none;
}

.article-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  background: rgba(23, 37, 84, 0.7);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.article-tag {
  background: rgba(255, 117, 160, 0.12);
  color: var(--primary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.article-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.45;
  margin-bottom: 10px;
}

.article-snippet {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--primary);
  font-weight: 600;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 14px;
}

/* ==========================================================================
   User Testimonials (用户评价)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.testimonial-rating {
  color: var(--accent-amber);
  margin-bottom: 14px;
  letter-spacing: 2px;
  font-size: 0.95rem;
}

.testimonial-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

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

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e293b, #334155);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary);
  font-size: 1rem;
  border: 1px solid var(--border-color);
}

.user-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: #ffffff;
}

.user-role {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.verified-tag {
  color: var(--accent-emerald);
  font-size: 0.72rem;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* ==========================================================================
   FAQ Accordions (常见问题)
   ========================================================================== */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  transition: var(--transition);
  overflow: hidden;
}

.faq-item:hover {
  border-color: var(--border-hover);
}

.faq-item details summary {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

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

.faq-item details summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--primary);
  font-weight: 400;
  transition: transform 0.25s ease;
}

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

.faq-content {
  padding: 0 24px 22px;
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.75;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 16px;
}

/* ==========================================================================
   Authority Outbound Resources (外链专区)
   ========================================================================== */
.outbound-section {
  padding: 60px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: rgba(8, 12, 24, 0.5);
}

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

.outbound-link {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: var(--transition);
}

.outbound-link:hover {
  border-color: var(--primary);
  background: rgba(23, 37, 84, 0.6);
  transform: translateY(-2px);
}

.outbound-icon {
  font-size: 1.4rem;
  color: var(--primary);
}

.outbound-info h4 {
  font-size: 0.92rem;
  color: #ffffff;
  font-weight: 600;
}

.outbound-info p {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #04060c;
  border-top: 1px solid var(--border-color);
  padding: 70px 0 35px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 14px;
  max-width: 340px;
}

.footer-col h4 {
  font-size: 0.98rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 25px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Mobile Floating CTA Bar & Back To Top
   ========================================================================== */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 12px 18px;
  background: rgba(6, 9, 19, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-color);
  z-index: 99;
}

.mobile-sticky-cta .btn {
  width: 100%;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1100px) {
  .pricing-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .client-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .outbound-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 868px) {
  .hero-title {
    font-size: 2.4rem;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .nodes-monitor-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(8, 12, 24, 0.98);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    gap: 16px;
  }
  .nav-menu.open {
    display: flex;
  }
  .mobile-menu-btn {
    display: block;
  }
  .header-cta-group .btn-primary {
    display: none;
  }
  .mobile-sticky-cta {
    display: block;
  }
}

@media (max-width: 600px) {
  .pricing-row {
    grid-template-columns: 1fr;
  }
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .client-grid {
    grid-template-columns: 1fr;
  }
  .outbound-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2rem;
  }
  .section-title {
    font-size: 1.8rem;
  }
}