/* ==========================================================================
   星云 (StarYun) - Premium Cloud Infrastructure & SaaS Landing Page
   Theme: Premium Cloud Glassmorphism
   Colors: Deep Navy Blue to Blue-Purple Soft Gradient (No Pure Black)
   Surfaces: Frosted Glass Panels, backdrop-filter blur, 1px translucent borders,
            soft diffused ambient cloud glow, elegant typography.
   Pure CSS - Zero External Dependencies
   ========================================================================== */

:root {
  /* Cloud Palette - Deep Blue to Blue-Purple (No Pure Black) */
  --bg-main: #090e24;
  --bg-main-light: #0d1435;
  --bg-surface: rgba(18, 26, 58, 0.52);
  --bg-surface-elevated: rgba(24, 34, 76, 0.65);
  --bg-surface-hover: rgba(30, 44, 94, 0.72);
  --bg-glass: rgba(10, 16, 38, 0.75);
  --bg-glass-subtle: rgba(255, 255, 255, 0.04);
  --bg-glass-interactive: rgba(255, 255, 255, 0.06);

  /* Translucent Glass Borders */
  --border-subtle: rgba(255, 255, 255, 0.11);
  --border-glass: rgba(190, 215, 255, 0.15);
  --border-glass-light: rgba(255, 255, 255, 0.22);
  --border-glass-hover: rgba(147, 197, 253, 0.38);
  --border-glow: rgba(99, 102, 241, 0.35);
  --border-focus: rgba(129, 140, 248, 0.6);

  /* Cloud Accent Tones (Soft, refined, no harsh neon) */
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-violet: #7c3aed;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #7c3aed 100%);
  --gradient-glow: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(99, 102, 241, 0.08));
  --gradient-cyan: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-glass: linear-gradient(180deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
  --gradient-card-popular: linear-gradient(180deg, rgba(32, 46, 98, 0.72) 0%, rgba(18, 26, 62, 0.65) 100%);

  /* Typography Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #475569;
  --text-highlight: #ffffff;

  /* Border Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows with Frosted Glass Top Inset Highlight */
  --shadow-sm: 0 4px 12px rgba(2, 6, 23, 0.35);
  --shadow-card: 0 16px 40px -12px rgba(2, 6, 23, 0.55), inset 0 1px 0 0 rgba(255, 255, 255, 0.16);
  --shadow-card-hover: 0 24px 50px -12px rgba(2, 6, 23, 0.65), 0 0 35px -5px rgba(99, 102, 241, 0.25), inset 0 1px 0 0 rgba(255, 255, 255, 0.28);
  --shadow-glow: 0 0 50px -10px rgba(99, 102, 241, 0.25);
  --shadow-btn: 0 4px 18px rgba(59, 130, 246, 0.32), inset 0 1px 0 0 rgba(255, 255, 255, 0.2);

  --transition-fast: 0.18s ease;
  --transition-base: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1240px;
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

/* Base Body - Deep Blue to Blue-Purple Soft Gradient (No Pure Black) */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  background-color: var(--bg-main);
  color: var(--text-secondary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(ellipse 95% 60% at 50% -12%, rgba(59, 130, 246, 0.24) 0%, transparent 65%),
    radial-gradient(ellipse 70% 50% at 85% 25%, rgba(129, 140, 248, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 65% 55% at 15% 65%, rgba(99, 102, 241, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 80% 50% at 50% 102%, rgba(37, 99, 235, 0.18) 0%, transparent 70%),
    linear-gradient(180deg, #090e24 0%, #0b1333 30%, #0e173d 60%, #0c1232 85%, #080d22 100%);
  background-attachment: fixed;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

p {
  margin-bottom: 1rem;
}

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

ul, ol {
  list-style: none;
}

img, svg {
  vertical-align: middle;
  max-width: 100%;
  height: auto;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section-spacing {
  padding: 100px 0;
  position: relative;
}

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

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Section Header Component */
.section-header {
  max-width: 760px;
  margin: 0 auto 56px auto;
  text-align: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(147, 197, 253, 0.22);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #93c5fd;
  font-size: 0.825rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.section-tag .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse-glow 2.5s infinite;
}

.section-title {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  margin-bottom: 16px;
  background: linear-gradient(180deg, #ffffff 40%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff;
  box-shadow: var(--shadow-btn);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(99, 102, 241, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.11);
  border-color: rgba(255, 255, 255, 0.24);
  transform: translateY(-2px);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(2, 6, 23, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* Header & Navigation - Glassmorphic Bar */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 20px rgba(2, 6, 23, 0.25);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 18px rgba(99, 102, 241, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero-section {
  padding-top: 140px;
  padding-bottom: 80px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
  color: #34d399;
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 22px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.live-indicator {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
  animation: pulse-green 1.8s infinite;
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 22px;
  letter-spacing: -0.03em;
}

.hero-title .brand-highlight {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-desc {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-features-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 20px;
  margin-bottom: 36px;
}

.feature-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #e2e8f0;
}

.feature-pill-icon {
  width: 18px;
  height: 18px;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-guarantee {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  font-size: 0.825rem;
  color: var(--text-muted);
}

.cta-guarantee span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Hero Visual Dashboard - Cloud Glassmorphic Card */
.hero-visual {
  position: relative;
}

.dashboard-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 26px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  position: relative;
  overflow: hidden;
}

.dashboard-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
}

.dash-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 20px;
}

.dash-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.825rem;
  font-weight: 600;
  color: #34d399;
}

.dash-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.stat-box .val {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.stat-box .lbl {
  font-size: 0.725rem;
  color: var(--text-muted);
}

/* Waveform Visual */
.dash-waveform {
  height: 64px;
  margin-bottom: 20px;
  background: rgba(10, 16, 38, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 2px 6px rgba(2, 6, 23, 0.3);
}

.waveform-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 2px;
  min-height: 8px;
  animation: wave-bounce 2.2s infinite ease-in-out;
}

/* Mini Node List in Dashboard */
.dash-node-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.node-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.85rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.node-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(147, 197, 253, 0.35);
}

.node-name {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-weight: 500;
}

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

.ping-tag {
  color: #34d399;
  font-weight: 600;
  font-size: 0.8rem;
}

.tag-badge {
  font-size: 0.725rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(99, 102, 241, 0.16);
  color: #c7d2fe;
  border: 1px solid rgba(99, 102, 241, 0.28);
}

/* Brand Stats Strip - Glassmorphic Horizontal Bar */
.stats-strip {
  background: rgba(14, 21, 48, 0.45);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 36px 0;
  margin-top: 40px;
  box-shadow: 0 8px 30px rgba(2, 6, 23, 0.3);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.stat-item {
  text-align: center;
  border-right: 1px solid var(--border-subtle);
  padding: 0 10px;
}

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

.stat-number {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
  background: linear-gradient(180deg, #ffffff 40%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.825rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Bento Grid - Core Advantages (Frosted Cloud Glass Panels) */
.bento-advantages {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.bento-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-card-hover);
}

.bento-card-large {
  grid-column: span 7;
}

.bento-card-medium {
  grid-column: span 5;
}

.bento-card-full {
  grid-column: span 12;
}

.bento-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(147, 197, 253, 0.25);
  color: var(--accent-cyan);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.bento-title {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.bento-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 28px;
}

/* Visuals inside Advantage Bento cards */
.speed-test-visual {
  background: rgba(10, 16, 38, 0.55);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: auto;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.speed-meter-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  text-align: center;
}

.meter-num {
  font-size: 1.4rem;
  font-weight: 700;
  color: #38bdf8;
}

.meter-unit {
  font-size: 0.725rem;
  color: var(--text-muted);
}

.coverage-pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.coverage-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 8px 14px;
  font-size: 0.85rem;
  color: var(--text-primary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: all var(--transition-fast);
}

.coverage-chip:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(147, 197, 253, 0.3);
}

.chip-flag {
  font-size: 1rem;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.platform-item {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  text-align: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: all var(--transition-fast);
}

.platform-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(147, 197, 253, 0.3);
  transform: translateY(-2px);
}

.platform-item svg {
  width: 28px;
  height: 28px;
  margin-bottom: 10px;
  color: #e2e8f0;
}

.platform-item h4 {
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.platform-item p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Node Network Section - Infrastructure Dashboard */
.node-dashboard-table {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.table-header {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1.5fr 1.2fr 1.2fr;
  padding: 18px 24px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.table-row {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1.5fr 1.2fr 1.2fr;
  padding: 18px 24px;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  transition: background-color var(--transition-fast);
}

.table-row:last-child {
  border-bottom: none;
}

.table-row:hover {
  background-color: rgba(99, 102, 241, 0.08);
}

.cell-location {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.location-flag {
  font-size: 1.2rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.status-pill.online {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.cell-ping {
  color: #34d399;
  font-weight: 600;
}

.network-badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.14);
  color: #93c5fd;
  border: 1px solid rgba(147, 197, 253, 0.25);
  font-weight: 500;
}

/* AI & Streaming Bento Grid (Cloud Glass Panels) */
.bento-ecosystem {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.ecosystem-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.panel-title {
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.app-card {
  background: rgba(255, 255, 255, 0.038);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 14px;
  text-align: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: all var(--transition-fast);
}

.app-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(147, 197, 253, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -4px rgba(2, 6, 23, 0.45);
}

.app-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px auto;
  font-weight: 700;
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.app-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.app-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: inline-block;
  font-weight: 500;
}

.badge-optimized {
  background: rgba(16, 185, 129, 0.14);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.28);
}

.badge-4k {
  background: rgba(6, 182, 212, 0.14);
  color: #22d3ee;
  border: 1px solid rgba(6, 182, 212, 0.28);
}

/* Pricing Section - Premium Cloud Glassmorphism */
.pricing-billing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 48px;
}

.toggle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: all var(--transition-fast);
}

.toggle-btn.active {
  background: var(--gradient-brand);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.discount-pill {
  font-size: 0.725rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.32);
  font-weight: 600;
}

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

.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-card-hover);
}

.pricing-card.popular {
  background: var(--gradient-card-popular);
  border: 1px solid rgba(147, 197, 253, 0.38);
  box-shadow: 0 24px 60px -15px rgba(2, 6, 23, 0.7), 0 0 40px -8px rgba(99, 102, 241, 0.3), inset 0 1px 0 0 rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  transform: scale(1.03);
  z-index: 2;
}

.pricing-card.popular:hover {
  transform: scale(1.03) translateY(-6px);
  box-shadow: 0 28px 70px -15px rgba(2, 6, 23, 0.8), 0 0 50px -5px rgba(99, 102, 241, 0.4), inset 0 1px 0 0 rgba(255, 255, 255, 0.35);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-brand);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 18px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.plan-header {
  margin-bottom: 24px;
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
}

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

.plan-price-box {
  margin-bottom: 28px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.currency {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
}

.amount {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

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

.plan-features {
  margin-bottom: 36px;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  margin-bottom: 14px;
  color: #cbd5e1;
}

.feature-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.16);
  color: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.7rem;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* User Testimonials Section - Frosted Glass */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-fast);
}

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

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

.testi-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.testi-info h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.testi-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.testi-stars {
  color: #fbbf24;
  margin-bottom: 14px;
  font-size: 0.85rem;
  letter-spacing: 2px;
}

.testi-quote {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.testi-badge {
  align-self: flex-start;
  margin-top: 16px;
  font-size: 0.725rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: #94a3b8;
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* SEO Blog Articles Section - Frosted Glass Cards */
.blog-bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.article-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  position: relative;
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-card-hover);
}

.article-card.featured-card {
  border-color: rgba(147, 197, 253, 0.3);
  background: linear-gradient(180deg, rgba(30, 44, 94, 0.68) 0%, rgba(18, 26, 60, 0.6) 100%);
  box-shadow: 0 16px 40px -10px rgba(2, 6, 23, 0.6), inset 0 1px 0 0 rgba(255, 255, 255, 0.22);
}

.article-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  font-size: 0.78rem;
}

.article-category {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.14);
  color: #93c5fd;
  font-weight: 600;
  border: 1px solid rgba(147, 197, 253, 0.25);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.article-readtime {
  color: var(--text-muted);
}

.article-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-title a:hover {
  color: var(--accent-cyan);
}

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.read-more-link {
  color: var(--accent-cyan);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.read-more-link:hover {
  gap: 9px;
  color: #ffffff;
}

/* FAQ Accordion Section - Translucent Frosted Items */
.faq-container {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: rgba(18, 26, 58, 0.48);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(22, 32, 70, 0.55);
}

.faq-item.active {
  border-color: rgba(147, 197, 253, 0.35);
  background: rgba(24, 34, 76, 0.62);
  box-shadow: 0 10px 30px -10px rgba(2, 6, 23, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.025rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.faq-toggle-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  color: var(--accent-cyan);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.925rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 22px 24px;
}

/* Bottom CTA Banner - Soft Cloud Radiant Glass */
.cta-banner-section {
  padding: 80px 0;
}

.cta-banner {
  background: linear-gradient(135deg, rgba(28, 42, 92, 0.75) 0%, rgba(18, 26, 60, 0.8) 100%);
  border: 1px solid rgba(147, 197, 253, 0.28);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 24px 60px -15px rgba(2, 6, 23, 0.6), inset 0 1px 0 0 rgba(255, 255, 255, 0.22), 0 0 50px -10px rgba(99, 102, 241, 0.25);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 16px;
}

.cta-banner-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px auto;
}

/* Footer Section - Translucent Deep Blue Glass */
.site-footer {
  background: rgba(9, 14, 34, 0.88);
  border-top: 1px solid var(--border-subtle);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 60px 0 36px 0;
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-cyan);
}

.footer-legal-notice {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.775rem;
  max-width: 760px;
  margin: 0 auto 20px auto;
  line-height: 1.6;
}

.footer-copyright {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* Soft Cloud Keyframe Animations (No aggressive cyber-flicker) */
@keyframes pulse-glow {
  0%, 100% { opacity: 0.85; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.15); }
}

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  50% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

@keyframes wave-bounce {
  0%, 100% { height: 22%; }
  50% { height: 88%; }
}

/* ==========================================================================
   Responsive Breakpoints
   Targeting: 375px, 390px, 430px mobile, tablet, and desktop
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  
  .stat-item:nth-child(3) {
    border-right: none;
  }

  .bento-card-large, .bento-card-medium {
    grid-column: span 12;
  }

  .bento-ecosystem {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .pricing-card.popular {
    transform: none;
  }

  .pricing-card.popular:hover {
    transform: translateY(-6px);
  }

  .blog-bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section-spacing {
    padding: 64px 0;
  }

  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 16, 40, 0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    box-shadow: 0 20px 40px rgba(2, 6, 23, 0.7);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-actions .btn {
    padding: 8px 14px;
    font-size: 0.825rem;
  }

  .hero-section {
    padding-top: 104px;
    padding-bottom: 48px;
  }

  .hero-features-list {
    grid-template-columns: 1fr;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 16px;
  }

  .stat-item:nth-last-child(-n+2) {
    border-bottom: none;
    padding-bottom: 0;
  }

  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Table responsive styling for mobile */
  .table-header {
    display: none;
  }

  .table-row {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 16px;
  }

  .cell-location {
    grid-column: span 2;
  }

  .apps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-bento-grid {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 2.15rem;
  }

  .apps-grid {
    grid-template-columns: 1fr;
  }

  .platform-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    padding: 40px 20px;
  }
}