/**
 * 大理乐途科技 - 玻璃形态官网
 * Glassmorphism Design with Fintech Color Palette
 */

/* ========================================
   CSS Variables - Fintech Color Palette
   ======================================== */
:root {
  /* Primary Colors - Fintech Blue/Purple Gradient */
  --primary-100: #e8f4ff;
  --primary-200: #c5e3ff;
  --primary-300: #9ed0ff;
  --primary-400: #77bdff;
  --primary-500: #5aa3f5;
  --primary-600: #3d86e6;
  --primary-700: #2868c7;
  --primary-800: #1a4a9e;
  --primary-900: #102f6e;

  /* Accent Colors - Teal/Cyan */
  --accent-100: #e0f7f4;
  --accent-200: #b3ebe5;
  --accent-300: #80ddd3;
  --accent-400: #4dd0c1;
  --accent-500: #26c6b0;
  --accent-600: #1fa093;
  --accent-700: #197a76;
  --accent-800: #145459;
  --accent-900: #0e2f3c;

  /* Secondary Colors - Purple */
  --secondary-100: #f3e8ff;
  --secondary-200: #e0c8ff;
  --secondary-300: #c9a2ff;
  --secondary-400: #b07aff;
  --secondary-500: #9755f5;
  --secondary-600: #7a3fe0;
  --secondary-700: #5d2eb6;
  --secondary-800: #44208c;
  --secondary-900: #2d1462;

  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
  --gradient-hero: linear-gradient(135deg, var(--primary-700) 0%, var(--secondary-700) 50%, var(--accent-700) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  --gradient-text: linear-gradient(90deg, var(--primary-400), var(--secondary-400), var(--accent-400));

  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --black: #000000;

  /* Glass Effect Variables */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-bg-light: rgba(255, 255, 255, 0.12);
  --glass-bg-dark: rgba(0, 0, 0, 0.2);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-border-light: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  --glass-shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.25);

  /* Typography */
  --font-primary: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', 'Noto Sans SC', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Container */
  --container-max: 1280px;
  --container-padding: 1.5rem;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--gray-900);
  min-height: 100vh;
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ========================================
   Animated Background
   ======================================== */
.bg-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary-900) 50%, var(--secondary-900) 100%);
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 20s infinite ease-in-out;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: var(--primary-600);
  top: -200px;
  left: -200px;
  animation-delay: 0s;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: var(--secondary-600);
  top: 50%;
  right: -150px;
  animation-delay: -5s;
}

.orb-3 {
  width: 400px;
  height: 400px;
  background: var(--accent-500);
  bottom: -100px;
  left: 30%;
  animation-delay: -10s;
}

.orb-4 {
  width: 450px;
  height: 450px;
  background: var(--primary-500);
  top: 30%;
  left: 60%;
  animation-delay: -15s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(50px, -50px) scale(1.05);
  }
  50% {
    transform: translate(-30px, 30px) scale(0.95);
  }
  75% {
    transform: translate(40px, 20px) scale(1.02);
  }
}

/* ========================================
   Glass Morphism Base Classes
   ======================================== */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}

.glass-light {
  background: var(--glass-bg-light);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border-light);
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: var(--glass-bg-light);
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-4px);
}

/* ========================================
   Navigation
   ======================================== */
.glass-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border-light);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.glass-logo {
  display: flex;
  align-items: center;
  gap: 0;
}

.glass-logo img {
  height: 40px;
  border-radius: var(--radius-sm);
}

.glass-nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.glass-nav-links a {
  padding: 0.625rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-300);
  transition: all var(--transition-fast);
}

.glass-nav-links a:hover,
.glass-nav-links a.active {
  color: var(--white);
  background: var(--glass-bg-light);
}

.glass-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--white);
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(61, 134, 230, 0.3);
}

.glass-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(61, 134, 230, 0.4);
}

.glass-btn-primary.large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.glass-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--glass-bg-light);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--white);
  transition: all var(--transition-base);
}

.glass-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--glass-border);
}

.glass-btn-secondary.large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  padding: 0;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  padding: 8rem var(--container-padding) 4rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-glass-card {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--glass-bg-light);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary-300);
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.2);
  }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.title-line {
  display: block;
  color: var(--white);
}

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

.hero-description {
  font-size: 1.125rem;
  color: var(--gray-300);
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
  padding: 1.5rem 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-lg);
  max-width: 480px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-400);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-400);
  margin-top: 0.25rem;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: var(--glass-border-light);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ========================================
   Hero Showcase - Product Display
   ======================================== */
.hero-showcase {
  display: flex;
  gap: 1.5rem;
  align-items: stretch;
}

/* Main Product Card */
.product-main-card {
  flex-shrink: 0;
  width: 300px;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.product-main-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow-hover);
}

.product-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, rgba(61, 134, 230, 0.2) 0%, rgba(122, 63, 224, 0.2) 100%);
  border-bottom: 1px solid var(--glass-border-light);
}

.product-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.product-logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.product-logo span {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
}

.product-tag {
  padding: 0.25rem 0.75rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--white);
}

.product-card-body {
  padding: 1.5rem 1.25rem;
}

.qr-display {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.qr-frame {
  width: 80px;
  height: 80px;
  padding: 0.375rem;
  background: var(--white);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.qr-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-info {
  display: flex;
  flex-direction: column;
}

.qr-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.qr-desc {
  font-size: 0.8125rem;
  color: var(--gray-400);
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feature-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  background: var(--glass-bg-light);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--gray-300);
}

.feature-pill .feature-icon {
  font-size: 0.875rem;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 1rem 1.25rem;
  background: var(--glass-bg-light);
  border-top: 1px solid var(--glass-border-light);
}

.user-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.product-card-footer .user-count {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-400);
}

.product-card-footer .user-label {
  font-size: 0.75rem;
  color: var(--gray-400);
}

.product-divider {
  width: 1px;
  height: 30px;
  background: var(--glass-border-light);
}

/* Sidebar Cards */
.showcase-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.sidebar-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  flex: 1;
  min-height: 0;
}

.sidebar-card:hover {
  background: var(--glass-bg-light);
  transform: translateX(8px);
  border-color: var(--primary-500);
}

.sidebar-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg-light);
  border-radius: var(--radius-sm);
  font-size: 1.125rem;
  flex-shrink: 0;
}

.sidebar-content {
  flex: 1;
  min-width: 0;
}

.sidebar-content h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.125rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-content p {
  font-size: 0.75rem;
  color: var(--gray-400);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-arrow {
  color: var(--primary-500);
  opacity: 0;
  transform: translateX(-10px);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.sidebar-arrow svg {
  width: 16px;
  height: 16px;
}

.sidebar-card:hover .sidebar-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ========================================
   Section Common Styles
   ======================================== */
.section-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-3xl) var(--container-padding);
}

.section-header-glass {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header-glass p {
  line-height: 1.7;
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--glass-bg-light);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary-300);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.125rem;
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   Services Section
   ======================================== */
.services {
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-glass-card {
  position: relative;
  padding: 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  overflow: hidden;
}

.service-glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-glass-card:hover {
  transform: translateY(-8px);
  background: var(--glass-bg-light);
  box-shadow: var(--glass-shadow-hover);
}

.service-glass-card:hover::before {
  opacity: 1;
}

.service-glass-card.featured {
  background: linear-gradient(135deg, rgba(61, 134, 230, 0.15) 0%, rgba(122, 63, 224, 0.15) 100%);
  border-color: var(--primary-500);
}

.featured-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.25rem 0.75rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--white);
}

.service-icon-wrapper {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg-light);
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
}

.service-icon {
  font-size: 2rem;
}

.service-glass-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.service-glass-card > p {
  font-size: 0.9375rem;
  color: var(--gray-400);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-features li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  color: var(--gray-300);
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--primary-500);
  border-radius: 50%;
}

/* ========================================
   Platform Section
   ======================================== */
.platform {
  padding: var(--space-3xl) var(--container-padding);
}

.platform-glass-container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 3rem;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
}

.platform-description {
  font-size: 1.0625rem;
  color: var(--gray-300);
  line-height: 1.8;
  margin: 1.5rem 0 2rem;
}

.platform-stats {
  display: flex;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.platform-stat {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.platform-stat .stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.platform-stat .stat-unit {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-400);
}

.platform-stat .stat-label {
  font-size: 0.875rem;
  color: var(--gray-400);
  margin-top: 0.5rem;
}

.platform-qr {
  display: flex;
  justify-content: center;
}

.qr-glass-card {
  padding: 1.5rem;
  background: var(--glass-bg-light);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  text-align: center;
}

.qr-frame {
  width: 180px;
  height: 180px;
  margin: 0 auto 1rem;
  padding: 0.5rem;
  background: var(--white);
  border-radius: var(--radius-md);
}

.qr-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-title {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.qr-subtitle {
  font-size: 0.8125rem;
  color: var(--gray-400);
}

/* ========================================
   Cases Preview Section
   ======================================== */
.cases-preview {
  position: relative;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.case-glass-card {
  padding: 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.case-glass-card:hover {
  transform: translateY(-6px);
  background: var(--glass-bg-light);
  box-shadow: var(--glass-shadow-hover);
}

.case-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.case-glass-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.case-glass-card p {
  font-size: 0.9375rem;
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.case-tag {
  padding: 0.375rem 0.875rem;
  background: var(--glass-bg-light);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray-300);
}

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

/* ========================================
   Why Choose Us Section
   ======================================== */
.why-us {
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-glass-card {
  padding: 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.feature-glass-card:hover {
  transform: translateY(-6px);
  background: var(--glass-bg-light);
  box-shadow: var(--glass-shadow-hover);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-glass-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.feature-glass-card p {
  font-size: 0.875rem;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  padding: var(--space-3xl) var(--container-padding);
}

.cta-glass-card {
  max-width: 900px;
  margin: 0 auto;
  padding: 3.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  text-align: center;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.125rem;
  color: var(--gray-400);
  margin-bottom: 2rem;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ========================================
   Footer
   ======================================== */
.glass-footer {
  padding: var(--space-3xl) var(--container-padding) var(--space-lg);
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border-light);
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 4rem;
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--glass-border-light);
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 1.25rem;
}

.footer-logo img {
  height: 40px;
  border-radius: var(--radius-sm);
}

.footer-brand > p {
  font-size: 0.9375rem;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg-light);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-md);
  color: var(--gray-300);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--primary-600);
  border-color: var(--primary-500);
  color: var(--white);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.footer-column a {
  font-size: 0.9375rem;
  color: var(--gray-400);
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--primary-400);
}

.footer-column li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.footer-column li svg {
  color: var(--gray-500);
  flex-shrink: 0;
}

.footer-column li span {
  font-size: 0.9375rem;
  color: var(--gray-400);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.footer-bottom p:last-child {
  font-size: 0.8125rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1400px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 1200px) {
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-glass-card {
    gap: 3rem;
  }
}

@media (max-width: 1024px) {
  .hero-glass-card,
  .platform-glass-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description {
    margin: 0 auto 2rem;
  }

  .hero-stats {
    margin: 0 auto 2.5rem;
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-showcase {
    display: none;
  }

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

  .platform-stats {
    justify-content: center;
  }

  .platform-qr {
    order: -1;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-brand {
    max-width: 100%;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .glass-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border-light);
  }

  .glass-nav-links.active {
    display: flex;
  }

  .glass-nav-links a {
    padding: 0.875rem 1rem;
  }

  .glass-btn-primary {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero {
    padding: 7rem var(--container-padding) 3rem;
  }

  .hero-showcase {
    display: flex !important;
    flex-direction: column;
    margin-top: 2rem;
    gap: 1rem;
  }

  .product-main-card {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }

  .showcase-sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .sidebar-card {
    flex: 1 1 calc(50% - 0.25rem);
    min-width: 140px;
    padding: 0.625rem 0.75rem;
  }

  .sidebar-icon {
    width: 28px;
    height: 28px;
    font-size: 1rem;
  }

  .sidebar-content h4 {
    font-size: 0.8125rem;
  }

  .sidebar-content p {
    font-size: 0.6875rem;
    display: none;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .stat-divider {
    width: 50px;
    height: 1px;
  }

  .services-grid,
  .cases-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .platform-glass-container {
    padding: 2rem;
  }

  .footer-links {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }

  .hero {
    padding: 6rem var(--container-padding) 2rem;
    min-height: auto;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-stats {
    padding: 1.25rem;
  }

  .stat-number {
    font-size: 1.75rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions a {
    width: 100%;
    justify-content: center;
  }

  .platform-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .cta-glass-card {
    padding: 2rem;
  }

  .cta-actions {
    flex-direction: column;
  }

  .cta-actions a {
    width: 100%;
    justify-content: center;
  }

  .product-main-card {
    max-width: 100%;
  }

  .sidebar-card {
    flex: 1 1 100%;
    min-width: unset;
  }

  .sidebar-content h4 {
    font-size: 0.875rem;
  }
}

/* ========================================
   Animation Utilities
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(61, 134, 230, 0.4);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 30px rgba(61, 134, 230, 0.5);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
  color: var(--white);
}

/* ========================================
   Page Loading Progress Bar
   ======================================== */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-primary);
  z-index: 9999;
  width: 0%;
  transition: width 0.3s ease;
}

body.loading .progress-bar {
  width: 30%;
  animation: progressAnimation 2s ease-in-out infinite;
}

@keyframes progressAnimation {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 90%; }
}

body.loaded .progress-bar {
  width: 100%;
  transition: width 0.3s ease;
}