/* ==========================================================================
   秒秒云 (miaomiaocloud.lol) - 高端玻璃艺术设计系统 (High-End Glassmorphism)
   ========================================================================== */

:root {
  --bg-main: #060811;
  --bg-secondary: #0b1122;
  --glass-surface: rgba(17, 26, 48, 0.55);
  --glass-surface-hover: rgba(26, 38, 70, 0.7);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-border-highlight: rgba(56, 189, 248, 0.45);
  --glass-inner-glow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  
  --primary-cyan: #38bdf8;
  --primary-indigo: #818cf8;
  --primary-purple: #c084fc;
  --accent-emerald: #34d399;
  --accent-amber: #fbbf24;
  --accent-rose: #f43f5e;
  
  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --text-muted: #64748b;
  
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
  line-height: 1.6;
  background: radial-gradient(circle at 50% 0%, #111a33 0%, var(--bg-main) 70%);
}

/* Ambient Ambient Glow Background Orbs */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.28;
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.glow-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #38bdf8, #6366f1);
  top: -150px;
  right: -100px;
}

.glow-orb-2 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #a855f7, #ec4899);
  top: 40%;
  left: -200px;
  animation-duration: 22s;
  animation-delay: -5s;
}

.glow-orb-3 {
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, #0284c7, #10b981);
  bottom: 5%;
  right: -150px;
  animation-duration: 26s;
  animation-delay: -9s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, 40px) scale(1.08); }
  100% { transform: translate(-40px, 80px) scale(0.95); }
}

/* Base Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* High-End Glassmorphism Base Component */
.glass-panel {
  background: var(--glass-surface);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inner-glow);
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.22);
}

/* Glass Navigation Bar */
.glass-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition-smooth);
}

.glass-header.scrolled {
  padding: 10px 0;
  background: rgba(6, 8, 17, 0.78);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

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

.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo-img {
  height: 44px;
  width: auto;
}

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

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

.nav-item a:hover,
.nav-item a.active {
  color: #fff;
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-cyan), var(--primary-indigo));
  transition: width 0.25s ease;
  border-radius: 2px;
}

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

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

/* High-End Glass Buttons */
.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 9999px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  color: #fff;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #4f46e5 100%);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.4);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transition: 0.6s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(2, 132, 199, 0.6), inset 0 1px 1px rgba(255, 255, 255, 0.5);
}

.btn-lg {
  padding: 14px 34px;
  font-size: 1.05rem;
  border-radius: 9999px;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: #fff;
}

.mobile-menu-drawer {
  display: none !important;
}

/* Pill Badges */
.glass-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 9999px;
  color: var(--primary-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  backdrop-filter: blur(10px);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 150px;
  padding-bottom: 90px;
  position: relative;
}

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

.hero-copy h1 {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  font-weight: 800;
  line-height: 1.18;
  margin: 20px 0 24px;
  letter-spacing: -0.5px;
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 15%, var(--primary-cyan) 60%, var(--primary-indigo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-spec-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-sub);
}

.hero-spec-item svg {
  color: var(--primary-cyan);
  flex-shrink: 0;
}

/* Hero Glass Showcase Card */
.hero-glass-visual {
  position: relative;
}

.glass-terminal-card {
  padding: 30px;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(23, 34, 60, 0.65), rgba(12, 19, 36, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.2);
  position: relative;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 22px;
}

.window-dots {
  display: flex;
  gap: 7px;
}

.window-dots span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
  font-size: 0.85rem;
  font-family: monospace;
  color: var(--text-muted);
}

.terminal-telemetry {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 22px;
}

.telemetry-item {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 14px 18px;
  border-radius: var(--radius-md);
}

.telemetry-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.telemetry-val {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.telemetry-val span {
  font-size: 0.8rem;
  color: var(--primary-cyan);
  font-weight: 500;
}

.terminal-stream-box {
  background: rgba(0, 0, 0, 0.35);
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.stream-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
}

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

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

.stream-ping {
  font-family: monospace;
  font-size: 0.82rem;
  color: var(--accent-emerald);
  background: rgba(52, 211, 153, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

/* Floating Decorative Tag */
.floating-glass-tag {
  position: absolute;
  bottom: -22px;
  left: -20px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(56, 189, 248, 0.4);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: floatMini 4s ease-in-out infinite alternate;
}

@keyframes floatMini {
  0% { transform: translateY(0); }
  100% { transform: translateY(-8px); }
}

.floating-glass-tag .icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-indigo));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.floating-glass-tag .tag-text b {
  display: block;
  font-size: 0.9rem;
  color: #fff;
}

.floating-glass-tag .tag-text span {
  font-size: 0.75rem;
  color: var(--text-sub);
}

/* ==========================================================================
   Section Common Headers
   ========================================================================== */
.section-padding {
  padding: 100px 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 920px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--primary-cyan);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
  text-wrap: balance;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-sub);
  line-height: 1.75;
}

.section-parallel-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.parallel-tag-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  font-size: 0.86rem;
  font-weight: 600;
  color: #cbd5e1;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
}

.parallel-tag-item svg {
  color: var(--primary-cyan);
  flex-shrink: 0;
}

.parallel-tag-item:hover {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.35);
  color: #fff;
  transform: translateY(-2px);
}

/* ==========================================================================
   Timeline Growth Framework: 新手到进阶的阶段切换
   ========================================================================== */
.timeline-tabs-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.timeline-nav {
  display: inline-flex;
  padding: 6px;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  gap: 6px;
}

.timeline-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-sub);
  padding: 12px 28px;
  border-radius: 9999px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition-smooth);
}

.timeline-tab-btn .stage-step {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.timeline-tab-btn.active {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.25), rgba(99, 102, 241, 0.35));
  color: #ffffff;
  border: 1px solid rgba(56, 189, 248, 0.5);
  box-shadow: 0 4px 18px rgba(56, 189, 248, 0.25);
}

.timeline-tab-btn.active .stage-step {
  background: var(--primary-cyan);
  color: #040814;
}

/* Stage Stage Views */
.stage-panel {
  display: none;
  animation: fadeInStage 0.4s ease forwards;
}

.stage-panel.active {
  display: block;
}

@keyframes fadeInStage {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.stage-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: stretch;
}

.stage-story-card {
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stage-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.stage-meta-badge {
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

.stage-meta-badge.stage-1 { background: rgba(56, 189, 248, 0.15); color: var(--primary-cyan); }
.stage-meta-badge.stage-2 { background: rgba(192, 132, 252, 0.15); color: var(--primary-purple); }
.stage-meta-badge.stage-3 { background: rgba(52, 211, 153, 0.15); color: var(--accent-emerald); }

.stage-story-card h3 {
  font-size: 1.85rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}

.stage-story-card p {
  color: var(--text-sub);
  font-size: 1.02rem;
  line-height: 1.8;
  margin-bottom: 28px;
}

.stage-painpoint-box {
  background: rgba(244, 63, 94, 0.06);
  border: 1px solid rgba(244, 63, 94, 0.2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.stage-painpoint-box b {
  color: var(--accent-rose);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  margin-bottom: 6px;
}

.stage-painpoint-box span {
  font-size: 0.88rem;
  color: #cbd5e1;
}

.stage-solution-box {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.stage-solution-box b {
  color: var(--primary-cyan);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  margin-bottom: 6px;
}

.stage-solution-box span {
  font-size: 0.88rem;
  color: #e2e8f0;
}

/* Stage Feature Specs Panel */
.stage-features-card {
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.feature-icon-glass {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary-cyan);
}

.feature-text h4 {
  font-size: 1.08rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.feature-text p {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.6;
}

/* ==========================================================================
   Real-Time Matrix & Global IEPL Nodes
   ========================================================================== */
.nodes-matrix-card {
  padding: 36px;
  margin-top: 20px;
}

.nodes-matrix-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.nodes-matrix-header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.node-card {
  background: rgba(12, 18, 33, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.node-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-3px);
  background: rgba(18, 28, 52, 0.8);
}

.node-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.node-flag-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.flag-emoji {
  font-size: 1.35rem;
}

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

.node-type-badge {
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--primary-cyan);
  font-weight: 600;
}

.node-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-sub);
}

.node-ping {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: monospace;
  font-weight: 600;
  color: var(--accent-emerald);
}

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

/* ==========================================================================
   Pricing Section (套餐方案)
   ========================================================================== */
.pricing-cycle-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.cycle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-sub);
  padding: 8px 22px;
  border-radius: 9999px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.cycle-btn.active {
  background: var(--primary-cyan);
  color: #040814;
  border-color: var(--primary-cyan);
  box-shadow: 0 4px 15px rgba(56, 189, 248, 0.4);
}

.cycle-discount-pill {
  font-size: 0.72rem;
  padding: 2px 8px;
  background: rgba(244, 63, 94, 0.2);
  border: 1px solid rgba(244, 63, 94, 0.4);
  color: #ff6b81;
  border-radius: 9999px;
  font-weight: 700;
}

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

.pricing-card {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  background: rgba(15, 24, 44, 0.6);
}

.pricing-card.featured {
  background: linear-gradient(170deg, rgba(28, 42, 80, 0.75), rgba(16, 24, 46, 0.8));
  border: 1.5px solid var(--glass-border-highlight);
  box-shadow: 0 25px 60px rgba(2, 132, 199, 0.2), inset 0 1px 1px rgba(255, 255, 255, 0.3);
  transform: translateY(-8px);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #0284c7, #6366f1);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 9999px;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.5);
}

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

.plan-subtitle {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary-cyan);
  display: block;
  margin-bottom: 8px;
}

.plan-title {
  font-size: 1.65rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.5;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 24px 0 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.price-currency {
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
}

.price-num {
  font-size: 3.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

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

.plan-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 34px;
}

.plan-features-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: #e2e8f0;
}

.plan-features-list li svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
}

.plan-features-list li.highlight-feature {
  color: var(--primary-cyan);
  font-weight: 600;
}

/* ==========================================================================
   Comprehensive Non-Homogenized Knowledge Base & Guide
   ========================================================================== */
.guides-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.guide-card {
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
}

.guide-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.35);
}

.guide-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary-indigo);
  margin-bottom: 12px;
}

.guide-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.4;
}

.guide-card p {
  font-size: 0.92rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 20px;
}

.guide-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.read-link {
  color: var(--primary-cyan);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition-smooth);
}

.read-link:hover {
  transform: translateX(4px);
}

/* ==========================================================================
   Multi-Platform Clients Download Hub
   ========================================================================== */
.client-download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.client-card {
  padding: 28px 24px;
  text-align: center;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.client-card:hover {
  transform: translateY(-5px);
  border-color: rgba(56, 189, 248, 0.4);
  background: rgba(22, 34, 62, 0.7);
}

.client-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--primary-cyan);
  transition: var(--transition-smooth);
}

.client-card:hover .client-icon {
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-indigo));
  color: #fff;
  border-color: transparent;
  transform: scale(1.08);
}

.client-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.client-rec {
  font-size: 0.8rem;
  color: var(--text-sub);
  margin-bottom: 14px;
}

.client-action {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--primary-cyan);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   FAQ Section (Accordion)
   ========================================================================== */
.faq-accordion-wrap {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-md);
  background: rgba(14, 21, 38, 0.6);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item.active {
  border-color: rgba(56, 189, 248, 0.4);
  background: rgba(20, 31, 56, 0.75);
}

.faq-question-btn {
  width: 100%;
  padding: 22px 28px;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
}

.faq-toggle-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary-cyan);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  background: var(--primary-cyan);
  color: #040814;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 28px;
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 28px 24px;
}

/* ==========================================================================
   Bottom CTA Banner
   ========================================================================== */
.cta-banner-card {
  padding: 70px 40px;
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(23, 35, 68, 0.8), rgba(10, 16, 32, 0.9));
  border: 1px solid rgba(56, 189, 248, 0.3);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), inset 0 1px 2px rgba(255, 255, 255, 0.25);
}

.cta-banner-card h2 {
  font-size: clamp(2rem, 3.5vw, 2.9rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
}

.cta-banner-card p {
  font-size: 1.12rem;
  color: var(--text-sub);
  max-width: 650px;
  margin: 0 auto 34px;
  line-height: 1.7;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.glass-footer {
  margin-top: 60px;
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(4, 6, 14, 0.85);
  backdrop-filter: blur(20px);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr 1.25fr 1fr;
  gap: clamp(24px, 3.5vw, 48px);
  align-items: start;
  margin-bottom: 50px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-logo-img {
  height: 44px;
  width: auto;
  align-self: flex-start;
}

.footer-brand p {
  color: #94a3b8;
  font-size: 0.92rem;
  line-height: 1.8;
  margin-top: 18px;
  max-width: 360px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
  margin-bottom: 22px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.footer-links-list a {
  text-decoration: none;
  color: #94a3b8;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.footer-links-list a:hover {
  color: var(--primary-cyan);
  transform: translateX(3px);
}

.footer-keywords-band {
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 28px;
}

.keywords-cloud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.keywords-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.keyword-tag {
  font-size: 0.78rem;
  color: var(--text-sub);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4px 10px;
  border-radius: 6px;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.keyword-tag:hover {
  color: #fff;
  border-color: var(--primary-cyan);
  background: rgba(56, 189, 248, 0.1);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .stage-card-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 540px;
    margin: 0 auto;
  }
  .guides-grid {
    grid-template-columns: 1fr;
  }
  .footer-top-grid {
    grid-template-columns: 1.35fr 1fr 1.15fr 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta-group .btn-secondary {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .mobile-menu-drawer {
    display: none !important;
    position: fixed;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(8, 12, 24, 0.96);
    backdrop-filter: blur(28px) saturate(190%);
    -webkit-backdrop-filter: blur(28px) saturate(190%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding: 24px;
    z-index: 99;
    flex-direction: column;
    gap: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
  }
  .mobile-menu-drawer.open {
    display: flex !important;
  }
  .mobile-menu-drawer a {
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
  }
  .mobile-menu-drawer a:hover {
    background: rgba(56, 189, 248, 0.12);
    color: var(--primary-cyan);
    border-color: rgba(56, 189, 248, 0.3);
  }
  .mobile-menu-drawer .mobile-cta {
    margin-top: 10px;
    text-align: center;
    color: #fff !important;
    background: linear-gradient(135deg, #0284c7 0%, #4f46e5 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    box-shadow: 0 8px 24px rgba(2, 132, 199, 0.4);
    padding: 12px 24px;
    font-size: 1.05rem;
    display: block;
  }
  .timeline-nav {
    flex-direction: column;
    width: 100%;
    border-radius: var(--radius-lg);
  }
  .timeline-tab-btn {
    width: 100%;
    justify-content: flex-start;
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}