/* 
  Anyland.my - CSS Design System & Stylesheet
  Theme: Dark Tech + Blue-Purple Gradient (深色科技风 + 蓝紫渐变)
  Responsive, modern glassmorphism, and optimized micro-interactions.
*/

/* --- 1. Import Fonts & Setup --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --bg-main: #06040d;
  --bg-surface: #0e0a1f;
  --bg-card: rgba(18, 13, 38, 0.55);
  --bg-card-hover: rgba(28, 22, 58, 0.75);
  
  --primary: #7c3aed;
  --primary-rgb: 124, 58, 237;
  --secondary: #3b82f6;
  --secondary-rgb: 59, 130, 246;
  --accent: #06b6d4;
  --accent-rgb: 6, 182, 212;
  
  --text-main: #f3f4f6;
  --text-secondary: #a3a3c2;
  --text-muted: #6b6b8b;
  
  --border-color: rgba(124, 58, 237, 0.12);
  --border-hover: rgba(124, 58, 237, 0.35);
  --border-glow: rgba(59, 130, 246, 0.25);
  
  --gradient-tech: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  --gradient-glow: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(124, 58, 237, 0.15) 100%);
  --gradient-text: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #f472b6 100%);
  
  /* Layout */
  --container-max: 1200px;
  --header-height: 80px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadow & Blur */
  --glass-blur: blur(16px);
  --shadow-glow-purple: 0 0 30px rgba(124, 58, 237, 0.25);
  --shadow-glow-blue: 0 0 30px rgba(59, 130, 246, 0.2);
}

/* --- 2. Base Resets --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: dark;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Typography Customization */
h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

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

ul {
  list-style: none;
}

button, input, select {
  font-family: inherit;
  background: none;
  border: none;
  outline: none;
  cursor: pointer;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: #272145;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* --- 3. Global Layout & Components --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
  z-index: 2;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px auto;
}

.section-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  color: #a78bfa;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff 50%, #d8b4fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Glow Background Effects */
.glow-spot {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--primary-rgb), 0.15) 0%, rgba(0,0,0,0) 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 1;
}

/* Glassmorphism Card base */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  transition: all var(--transition-normal);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow-purple);
  transform: translateY(-5px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  gap: 8px;
  transition: all var(--transition-normal);
}

.btn-primary {
  background: var(--gradient-tech);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -50%; width: 200%; height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-25deg);
  transition: 0.75s;
  opacity: 0;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(124, 58, 237, 0.45);
}

.btn-primary:hover::after {
  left: 125%;
  opacity: 1;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* --- 4. Navigation Bar --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background: rgba(6, 4, 13, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  height: 70px;
  border-bottom: 1px solid var(--border-color);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #3b82f6 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  pointer-events: auto;
}

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  display: inline-block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

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

.nav-link:hover {
  color: var(--text-main);
}

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

.nav-link.friend-link {
  color: #60a5fa;
  font-size: 0.9rem;
}

.nav-link.friend-link::after {
  background: var(--secondary);
}

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

.nav-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--text-main);
}

/* --- 5. Hero Section --- */
.hero {
  position: relative;
  padding: 160px 0 100px 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#network-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  text-align: left;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffffff 30%, #c084fc 70%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title span {
  display: block;
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  -webkit-text-fill-color: initial;
  background: none;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.keyword-tag {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.keyword-tag i {
  color: var(--accent);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.globe-holder {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1;
  position: relative;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, rgba(0,0,0,0) 70%);
}

.globe-circle {
  position: absolute;
  border: 1.5px dashed rgba(124, 58, 237, 0.25);
  border-radius: 50%;
  animation: rotate 30s linear infinite;
}

.circle-1 {
  inset: 0;
}
.circle-2 {
  inset: 30px;
  animation-duration: 20s;
  animation-direction: reverse;
  border-style: solid;
  border-color: rgba(59, 130, 246, 0.15);
}
.circle-3 {
  inset: 60px;
  animation-duration: 15s;
  border-style: dotted;
  border-color: rgba(6, 182, 212, 0.3);
}

.globe-core {
  position: absolute;
  inset: 90px;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 60px rgba(124, 58, 237, 0.6);
  animation: float 6s ease-in-out infinite;
}

.globe-core i {
  font-size: 4rem;
  color: #fff;
  filter: drop-shadow(0 0 10px rgba(255,255,255,0.5));
}

.globe-card-float {
  position: absolute;
  background: rgba(14, 10, 31, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 18px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  animation: float 5s ease-in-out infinite;
}

.float-card-1 {
  top: 15%;
  left: -10%;
  animation-delay: 0s;
}
.float-card-2 {
  bottom: 15%;
  right: -10%;
  animation-delay: 2.5s;
}

.float-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(6, 182, 212, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
}

.float-card-1 .float-card-icon {
  background: rgba(124, 58, 237, 0.15);
  color: #a78bfa;
}

.float-card-text h5 {
  font-size: 0.85rem;
  font-weight: 700;
}
.float-card-text p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* --- 6. Trust Data Section --- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-card {
  padding: 32px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.trust-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 4px;
  background: var(--gradient-tech);
  opacity: 0.7;
}

.trust-number {
  font-family: 'Outfit', sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 40%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
  display: block;
}

.trust-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* --- 7. Core Advantages --- */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.advantage-card {
  padding: 40px 32px;
  position: relative;
}

.advantage-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
  border: 1px solid rgba(124, 58, 237, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #a78bfa;
  margin-bottom: 24px;
  transition: all var(--transition-normal);
}

.advantage-card:hover .advantage-icon {
  background: var(--gradient-tech);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.4);
}

.advantage-title {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.advantage-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- 8. Pricing Packages --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}

.pricing-card {
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.recommended {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(20, 15, 45, 0.75) 0%, rgba(14, 10, 31, 0.75) 100%);
  box-shadow: var(--shadow-glow-purple);
  transform: translateY(-8px);
}

.pricing-card.recommended:hover {
  transform: translateY(-12px);
  border-color: #a78bfa;
}

.badge-recomm {
  position: absolute;
  top: 24px;
  right: 24px;
  background: var(--gradient-tech);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  box-shadow: 0 4px 10px rgba(124, 58, 237, 0.4);
}

.pricing-name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-price {
  margin-bottom: 32px;
}

.price-currency {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.price-amount {
  font-size: 3.2rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  color: #fff;
}

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

.pricing-features {
  margin-bottom: 40px;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.pricing-features i {
  color: #10b981;
  font-size: 1.1rem;
}

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

/* --- 9. Usage Scenarios --- */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scenario-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

.scenario-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.scenario-brand-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #fff;
}

.scenario-card:hover .scenario-brand-icon {
  transform: scale(1.1);
  background: rgba(255,255,255,0.1);
}

/* Custom colors for brand icons */
.scen-chatgpt { color: #10a37f; }
.scen-youtube { color: #ff0000; }
.scen-netflix { color: #e50914; }
.scen-google { color: #4285f4; }
.scen-tiktok { color: #01f1e2; }
.scen-work { color: #3b82f6; }

.scenario-badge {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.scenario-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.scenario-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --- 10. Interactive Tutorials Section --- */
.tutorial-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}

.tutorial-tabs {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tutorial-tab-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: 12px;
  color: var(--text-secondary);
  font-weight: 600;
  text-align: left;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.tutorial-tab-btn i {
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
}

.tutorial-tab-btn:hover {
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
}

.tutorial-tab-btn.active {
  background: rgba(124, 58, 237, 0.12);
  border-color: var(--border-color);
  color: #fff;
  box-shadow: inset 0 0 12px rgba(124, 58, 237, 0.1);
}

.tutorial-tab-btn.active i {
  color: #a78bfa;
}

.tutorial-content {
  padding: 40px;
  position: relative;
  min-height: 480px;
}

.tutorial-pane {
  display: none;
  animation: fadeIn var(--transition-normal);
}

.tutorial-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
  margin-bottom: 32px;
}

.pane-title {
  font-size: 1.8rem;
  font-weight: 700;
}

.pane-download-btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pane-download-btn:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.step-item {
  display: flex;
  gap: 20px;
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-tech);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.4);
}

.step-text h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.step-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.step-code-box {
  margin-top: 12px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.step-code-box code {
  font-family: monospace;
  font-size: 0.85rem;
  color: #60a5fa;
  word-break: break-all;
}

.copy-btn {
  padding: 6px 12px;
  border-radius: 6px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem;
  font-weight: 600;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
  color: #fff;
}

/* --- 11. Comparison Section --- */
.compare-container {
  overflow-x: auto;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.compare-table th, .compare-table td {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
}

.compare-table th {
  background: rgba(14, 10, 31, 0.8);
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.compare-table th:first-child {
  width: 25%;
}

.compare-table th:nth-child(2) {
  color: var(--accent);
  background: rgba(6, 182, 212, 0.05);
}

.compare-table th:nth-child(3) {
  color: var(--text-muted);
}

.compare-table td:nth-child(2) {
  background: rgba(6, 182, 212, 0.02);
}

.compare-feature-title {
  font-weight: 600;
  color: var(--text-main);
}

.compare-check {
  color: #10b981;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.compare-times {
  color: #ef4444;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --- 12. FAQ Accordion --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border-radius: 14px;
}

.faq-question {
  width: 100%;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.faq-question i {
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: transform var(--transition-normal);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out, padding var(--transition-normal) ease-out;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 24px;
}

/* --- 13. SEO Article Section --- */
.seo-article {
  padding: 60px 48px;
}

.seo-article h2 {
  font-size: 1.8rem;
  margin-top: 40px;
  margin-bottom: 16px;
  color: #fff;
  border-left: 4px solid var(--primary);
  padding-left: 16px;
}

.seo-article h2:first-of-type {
  margin-top: 0;
}

.seo-article h3 {
  font-size: 1.3rem;
  margin-top: 28px;
  margin-bottom: 12px;
  color: #d8b4fe;
}

.seo-article p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
  text-align: justify;
}

.seo-article ul, .seo-article ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.seo-article li {
  margin-bottom: 10px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.seo-article strong {
  color: #fff;
}

.seo-highlight-box {
  background: rgba(124, 58, 237, 0.05);
  border-left: 4px solid var(--accent);
  padding: 20px;
  border-radius: 0 12px 12px 0;
  margin: 32px 0;
}

.seo-highlight-box p {
  margin-bottom: 0;
  font-style: italic;
}

/* --- 14. CTA Section --- */
.cta {
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box {
  padding: 80px 40px;
  position: relative;
  overflow: hidden;
  border-radius: 30px;
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(124, 58, 237, 0.1) 50%, rgba(0,0,0,0) 70%);
  filter: blur(50px);
  pointer-events: none;
}

.cta-title {
  font-size: 3rem;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff 40%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cta-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* --- 15. Footer --- */
.footer {
  background: #04030a;
  border-top: 1px solid var(--border-color);
  padding: 80px 0 30px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  margin-top: 16px;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-col h4 {
  font-family: 'Outfit', sans-serif;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-contact-item i {
  color: var(--accent);
  font-size: 1.1rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copyright {
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-bottom-links a:hover {
  color: var(--text-main);
}

/* --- 16. Responsive Styles (Breakpoints) --- */

@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  .pricing-card.recommended {
    transform: none;
  }
  .pricing-card.recommended:hover {
    transform: translateY(-5px);
  }
  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tutorial-container {
    grid-template-columns: 1fr;
  }
  .tutorial-tabs {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .tutorial-tab-btn {
    white-space: nowrap;
    padding: 12px 18px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  .section-title {
    font-size: 2rem;
  }
  .hero {
    padding-top: 120px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content {
    text-align: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-btns {
    justify-content: center;
  }
  .hero-keywords {
    justify-content: center;
  }
  .globe-holder {
    max-width: 320px;
  }
  .globe-core {
    inset: 70px;
  }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: rgba(6, 4, 13, 0.98);
    backdrop-filter: var(--glass-blur);
    flex-direction: column;
    padding: 40px;
    gap: 24px;
    transition: left var(--transition-normal);
    z-index: 999;
    align-items: flex-start;
  }
  .nav-menu.active {
    left: 0;
  }
  .nav-toggle {
    display: block;
  }
  .nav-actions {
    display: none; /* Hide action button on mobile or move to drawer */
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .advantages-grid {
    grid-template-columns: 1fr;
  }
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  .seo-article {
    padding: 32px 20px;
  }
  .cta-title {
    font-size: 2.2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}