.movepanel_movePanel__1jYCl .ant-modal-body::-webkit-scrollbar {
    width: 5px;
    background-color: #fff;
  }

  .movepanel_movePanel__1jYCl .ant-modal-body::-webkit-scrollbar-track {
    border-radius: 5px;
  }

  .movepanel_movePanel__1jYCl .ant-modal-body::-webkit-scrollbar-thumb {
    border-radius: 5px;
    background: #ddd;
  }

  .movepanel_fileComparList__J3hbv::-webkit-scrollbar {
    width: 5px;
    background-color: #fff;
  }

  .movepanel_fileComparList__J3hbv::-webkit-scrollbar-track {
    border-radius: 5px;
  }

  .movepanel_fileComparList__J3hbv::-webkit-scrollbar-thumb {
    border-radius: 5px;
    background: #ddd;
  }

  .theme_0 .moveToFile .ant-tree-title{
    color: var(--fontColor);
  }

  .theme_0 .ant-tree.ant-tree-directory .ant-tree-child-tree > li.ant-tree-treenode-selected > span.ant-tree-node-content-wrapper::before{
    background-color: var(--hoverColor);
  }
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y {
  height: 100vh;
  overflow: auto;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 0;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 60px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__heroContent--1ryIn {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__heroIcon--2Ods7 {
  font-size: 64px;
  color: white;
  margin-bottom: 24px;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__heroIcon--2Ods7 .anticon {
  display: block;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__heroTitle--3tA85 {
  color: white !important;
  font-size: 3rem !important;
  font-weight: 700 !important;
  margin-bottom: 16px !important;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__heroDescription--U_NRT {
  color: rgba(255, 255, 255, 0.9) !important;
  font-size: 1.2rem !important;
  margin-bottom: 48px !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__statsRow--2_Y6t {
  margin-bottom: 48px;
  position: relative;
  z-index: 2;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__statCard--eN5hy {
  background: rgba(255, 255, 255, 0.95) !important;
  border: none !important;
  border-radius: 16px !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__statCard--eN5hy:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15) !important;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__statCard--eN5hy .ant-statistic-title {
  color: #666 !important;
  font-weight: 500;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__statCard--eN5hy .ant-statistic-content {
  font-weight: 700;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__searchSection--2ydnB {
  position: relative;
  z-index: 2;
  max-width: 600px;
  margin: 0 auto;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__searchInput--2rKb9 {
  border-radius: 50px !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1) !important;
  border: none !important;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__searchInput--2rKb9 .ant-input {
  border-radius: 50px !important;
  padding: 12px 20px !important;
  font-size: 16px !important;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf {
  background: #f8fafc;
  padding: 60px 24px;
  min-height: 60vh;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__sectionTitle--13kgI {
  text-align: center;
  margin-bottom: 48px !important;
  color: #1e293b !important;
  font-size: 2rem !important;
  font-weight: 600 !important;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__sectionTitle--13kgI .anticon {
  color: #3b82f6;
  margin-right: 12px;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy {
  border-radius: 16px !important;
  border: none !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
  transition: all 0.3s ease !important;
  overflow: hidden;
  height: 100%;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15) !important;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy .src-containers-lodingpage-LodingPagesManager-module__cardCover--2IFfB {
  height: 120px;
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy .src-containers-lodingpage-LodingPagesManager-module__cardCover--2IFfB .src-containers-lodingpage-LodingPagesManager-module__cardIcon--hAbei {
  font-size: 48px;
  color: white;
  opacity: 0.9;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy .src-containers-lodingpage-LodingPagesManager-module__cardCover--2IFfB .src-containers-lodingpage-LodingPagesManager-module__cardBadge--1WvOb {
  position: absolute;
  top: 16px;
  right: 16px;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy .src-containers-lodingpage-LodingPagesManager-module__cardTitle--1GtlO {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 8px;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy .src-containers-lodingpage-LodingPagesManager-module__cardContent--2CNxF .src-containers-lodingpage-LodingPagesManager-module__pageDescription--2B6xh {
  color: #64748b !important;
  margin-bottom: 16px !important;
  line-height: 1.6;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy .src-containers-lodingpage-LodingPagesManager-module__cardContent--2CNxF .src-containers-lodingpage-LodingPagesManager-module__pageInfo--rmScK .src-containers-lodingpage-LodingPagesManager-module__pagePath--oX5u9 {
  margin-bottom: 12px;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy .src-containers-lodingpage-LodingPagesManager-module__cardContent--2CNxF .src-containers-lodingpage-LodingPagesManager-module__pageInfo--rmScK .src-containers-lodingpage-LodingPagesManager-module__pagePath--oX5u9 code {
  background: #f1f5f9;
  color: #3730a3;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy .src-containers-lodingpage-LodingPagesManager-module__cardContent--2CNxF .src-containers-lodingpage-LodingPagesManager-module__pageInfo--rmScK .src-containers-lodingpage-LodingPagesManager-module__pageKeywords--1rhlJ {
  display: flex;
  flex-wrap: wrap;
  grid-gap: 4px;
  gap: 4px;
  margin-top: 8px;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy .src-containers-lodingpage-LodingPagesManager-module__actionButton--2-igd {
  border-radius: 8px !important;
  font-weight: 500 !important;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy .ant-card-actions {
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__pageCard--1a0wy .ant-card-actions > li {
  margin: 8px 0;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__emptyState--19co8 {
  text-align: center;
  padding: 80px 24px;
  background: white;
  border-radius: 16px;
  margin: 0 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__emptyState--19co8 .src-containers-lodingpage-LodingPagesManager-module__emptyIcon--20051 {
  font-size: 64px;
  color: #cbd5e1;
  margin-bottom: 24px;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__emptyState--19co8 .src-containers-lodingpage-LodingPagesManager-module__emptyTitle--1r47- {
  color: #475569 !important;
  margin-bottom: 12px !important;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__emptyState--19co8 .src-containers-lodingpage-LodingPagesManager-module__emptyDescription--225mx {
  color: #64748b !important;
  max-width: 400px;
  margin: 0 auto;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__managerFooter--2SQIa {
  background: #f8fafc;
  padding: 24px;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__managerFooter--2SQIa .src-containers-lodingpage-LodingPagesManager-module__footerCard--3lSON {
  border-radius: 16px !important;
  border: none !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
}
.src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__managerFooter--2SQIa .src-containers-lodingpage-LodingPagesManager-module__footerCard--3lSON .src-containers-lodingpage-LodingPagesManager-module__footerText--3rEwC {
  margin: 0 !important;
  color: #475569 !important;
  font-size: 14px;
}
@media (max-width: 768px) {
  .src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw {
    padding: 40px 16px;
  }
  .src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__heroTitle--3tA85 {
    font-size: 2rem !important;
  }
  .src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__heroDescription--U_NRT {
    font-size: 1rem !important;
  }
  .src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__statsRow--2_Y6t {
    margin-bottom: 32px;
  }
  .src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__heroSection--23liw .src-containers-lodingpage-LodingPagesManager-module__statCard--eN5hy {
    margin-bottom: 16px;
  }
  .src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf {
    padding: 40px 16px;
  }
  .src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__pagesSection--U99rf .src-containers-lodingpage-LodingPagesManager-module__sectionTitle--13kgI {
    font-size: 1.5rem !important;
    margin-bottom: 32px !important;
  }
  .src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__emptyState--19co8 {
    padding: 60px 16px;
    margin: 0 16px;
  }
  .src-containers-lodingpage-LodingPagesManager-module__lodingPagesManager--2Dy7y .src-containers-lodingpage-LodingPagesManager-module__managerFooter--2SQIa {
    padding: 16px;
  }
}

:root {
    /* Light Mode Colors */
    --primary-400: #818CF8;
    --primary-500: #6366F1;
    --primary-600: #4F46E5;
    --primary-700: #4338CA;

    --accent-cyan: #06B6D4;
    --accent-pink: #EC4899;
    --accent-purple: #A855F7;

    --gray-900: #0F172A;
    --gray-800: #1E293B;
    --gray-700: #646A73;
    --gray-600: #475569;
    --gray-500: #64748B;
    --gray-400: #94A3B8;
    --gray-300: #CBD5E1;
    --gray-200: #E2E8F0;
    --gray-100: #F1F5F9;
    --gray-50: #F8FAFC;
    --white: #FFFFFF;

    /* Dark Mode Colors */
    --dark-bg: #0F172A;
    --dark-surface: #1E293B;
    --dark-border: #334155;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Monaco', monospace;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Layout */
    --container-width: 1280px;

    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

    --transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   Base Styles
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    overflow-y: auto;
}

h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.2;
    color: var(--gray-900);
}

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

/* ==========================================
   Landing Page Container
   ========================================== */
.landing-page-container {
    min-height: 100vh !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    position: relative !important;
    width: 100% !important;
}

/* ==========================================
   Navigation
   ========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: white;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition);
}

.nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
            background-clip: text;
}

.nav-menu {
    display: none;
    grid-gap: var(--space-8);
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    transition: color var(--transition);
}

.nav-link:hover {
    color: var(--primary-600);
}

.nav-cta {
    display: flex;
    grid-gap: var(--space-3);
    gap: var(--space-3);
}

/* ==========================================
Button System
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    grid-gap: var(--space-2);
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 1.5px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--primary-500);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1.125rem;
}

/* ==========================================
   Hero Section with Video Background
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-24) var(--space-6);
    overflow: hidden;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(236, 72, 153, 0.15) 0%, transparent 50%);
}

/* Animated particles */
.particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-400);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 20s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-30px) translateX(30px); }
    50% { transform: translateY(-60px) translateX(-30px); }
    75% { transform: translateY(-30px) translateX(30px); }
}

.hero-content {
    max-width: var(--container-width);
    margin: 0 auto;
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    grid-gap: var(--space-2);
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-6);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.hero-title .gradient {
    background: linear-gradient(135deg, var(--primary-400) 0%, var(--accent-cyan) 50%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.375rem;
    line-height: 1.6;
    color: var(--gray-300);
    margin-bottom: var(--space-8);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    grid-gap: var(--space-4);
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-12);
}

.hero-stats {
    display: flex;
    grid-gap: var(--space-8);
    gap: var(--space-8);
    justify-content: center;
    flex-wrap: wrap;
}

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

.hero-stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    margin-bottom: var(--space-2);
}

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

/* ==========================================
   Interactive Demo Section
   ========================================== */
.demo-section {
    padding: var(--space-20) var(--space-6);
    background: var(--gray-50);
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--primary-500);
    color: var(--white);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--space-4);
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 640px;
    margin: 0 auto;
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    grid-gap: var(--space-4);
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
    padding: 0 var(--space-4);
}

.tab-button {
    display: flex;
    align-items: center;
    grid-gap: var(--space-2);
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    min-width: 160px;
    justify-content: flex-start;
}

.tab-button:hover {
    background: var(--gray-50);
    border-color: var(--primary-400);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.tab-button.active {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    transform: translateY(-1px);
}

.tab-button .tab-icon {
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.tab-button .tab-text {
    font-weight: 500;
    white-space: nowrap;
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

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

/* Research Interface Styles */
.research-interface {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
}

.research-header {
    background: var(--gray-800);
    color: var(--white);
    padding: var(--space-4) var(--space-6);
}

.research-title {
    display: flex;
    align-items: center;
    grid-gap: var(--space-3);
    gap: var(--space-3);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.window-controls {
    position: absolute;
    right: 0;
    display: flex;
    grid-gap: var(--space-2);
    gap: var(--space-2);
}

.control-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-600);
}

.research-search {
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
}

.search-input-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
}

.search-input {
    width: 100%;
    padding: var(--space-4) var(--space-4) var(--space-4) var(--space-12);
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    transition: all var(--transition);
    background: var(--gray-50);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-500);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.research-results {
    padding: var(--space-6);
    overflow-y: auto;
}

.result-paper {
    padding: var(--space-5);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    margin-bottom: var(--space-4);
    transition: all var(--transition);
    background: var(--white);
}

.result-paper:hover {
    border-color: var(--primary-300);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.paper-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
    line-height: 1.4;
}

.paper-meta {
    display: flex;
    grid-gap: var(--space-4);
    gap: var(--space-4);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}

.paper-authors,
.paper-stats,
.paper-impact {
    font-size: 0.875rem;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    grid-gap: var(--space-1);
    gap: var(--space-1);
}

.paper-abstract {
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    font-size: 0.95rem;
}

.paper-actions {
    display: flex;
    grid-gap: var(--space-3);
    gap: var(--space-3);
    flex-wrap: wrap;
}

.action-btn {
    display: flex;
    align-items: center;
    grid-gap: var(--space-2);
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.action-btn.primary {
    background: var(--primary-500);
    color: var(--white);
}

.action-btn.primary:hover {
    background: var(--primary-600);
    transform: translateY(-1px);
}

.action-btn.secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-200);
}

.action-btn.secondary:hover {
    background: var(--gray-200);
    border-color: var(--gray-300);
    transform: translateY(-1px);
}

/* Writing Interface Styles */
.writing-interface {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
}

.writing-header {
    background: var(--gray-800);
    color: var(--white);
    padding: var(--space-4) var(--space-6);
}

.writing-title {
    display: flex;
    align-items: center;
    grid-gap: var(--space-3);
    gap: var(--space-3);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.writing-content {
    display: flex;
    min-height: 500px;
}

.writing-main {
    flex: 1 1;
    padding: var(--space-6);
    border-right: 1px solid var(--gray-200);
}

.writing-section h3 {
    color: var(--gray-800);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.writing-section p {
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: var(--space-4);
    font-size: 1rem;
}

.citation-link {
    color: var(--primary-600);
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
}

.citation-link:hover {
    text-decoration: underline;
}

.ai-generating {
    display: flex;
    align-items: center;
    grid-gap: var(--space-3);
    gap: var(--space-3);
    margin-top: var(--space-6);
    padding: var(--space-4);
    background: var(--gray-50);
    border-radius: 8px;
    border-left: 4px solid var(--primary-500);
}

.generating-indicator {
    display: flex;
    align-items: center;
}

.cursor-blink {
    font-size: 1.2rem;
    color: var(--primary-500);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.ai-suggestion-text {
    color: var(--gray-600);
    font-style: italic;
    margin: 0;
}

.writing-sidebar {
    width: 320px;
    padding: var(--space-6);
    background: var(--gray-50);
    display: flex;
    flex-direction: column;
    grid-gap: var(--space-4);
    gap: var(--space-4);
}

.ai-suggestion-card {
    background: var(--white);
    border-radius: 8px;
    padding: var(--space-4);
    border: 1px solid var(--gray-200);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.suggestion-header {
    display: flex;
    align-items: center;
    grid-gap: var(--space-2);
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.suggestion-icon {
    font-size: 1.1rem;
}

.suggestion-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-800);
}

.suggestion-content {
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    font-size: 0.9rem;
}

.suggestion-actions {
    display: flex;
    grid-gap: var(--space-2);
    gap: var(--space-2);
}

.suggestion-btn {
    display: flex;
    align-items: center;
    grid-gap: var(--space-1);
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid transparent;
    flex: 1 1;
    justify-content: center;
}

.suggestion-btn.accept {
    background: var(--primary-500);
    color: var(--white);
}

.suggestion-btn.accept:hover {
    background: var(--primary-600);
    transform: translateY(-1px);
}

.suggestion-btn.reject {
    background: var(--gray-100);
    color: var(--gray-600);
    border-color: var(--gray-200);
}

.suggestion-btn.reject:hover {
    background: var(--gray-200);
    color: var(--gray-700);
    transform: translateY(-1px);
}

/* Citation Interface Styles */
.citation-interface {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
}

.citation-header {
    background: var(--gray-800);
    color: var(--white);
    padding: var(--space-4) var(--space-6);
}

.citation-title {
    display: flex;
    align-items: center;
    grid-gap: var(--space-3);
    gap: var(--space-3);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.citation-content {
    padding: var(--space-6);
}

.format-selector {
    display: flex;
    grid-gap: var(--space-3);
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.format-button {
    padding: var(--space-3) var(--space-5);
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    background: var(--white);
    color: var(--gray-700);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    min-width: 80px;
}

.format-button:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
    transform: translateY(-1px);
}

.format-button.active {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.citation-list {
    margin-bottom: var(--space-6);
}

.citation-item {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: var(--space-5);
    margin-bottom: var(--space-4);
    transition: all var(--transition);
}

.citation-item:hover {
    border-color: var(--primary-300);
    background: var(--white);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.citation-number {
    font-size: 0.85rem;
    color: var(--gray-600);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.citation-text {
    color: var(--gray-800);
    line-height: 1.7;
    font-size: 0.95rem;
}

.citation-text em {
    font-style: italic;
    color: var(--gray-700);
}

.citation-tip {
    display: flex;
    align-items: center;
    grid-gap: var(--space-3);
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--yellow-50);
    border: 1px solid var(--yellow-200);
    border-radius: 8px;
    border-left: 4px solid var(--yellow-400);
}

.tip-icon {
    font-size: 1.2rem;
}

.tip-text {
    color: var(--gray-700);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Purple Stats Section Styles */
.stats-purple {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    color: var(--white);
    padding: var(--space-20) var(--space-6);
}

.stats-title-white {
    color: var(--white) !important;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-4);
}

.stats-desc-white {
    color: rgba(255, 255, 255, 0.9) !important;
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: var(--space-12);
}

.stat-card-purple {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: var(--space-8) var(--space-6);
    text-align: center;
    transition: all var(--transition);
}

.stat-card-purple:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.stat-number-white {
    font-size: 3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-3);
    line-height: 1;
}

.stat-label-white {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* Clean CTA Section Styles */
.cta-clean {
    background: var(--white);
    padding: var(--space-20) var(--space-6);
    text-align: center;
}

.cta-title-clean {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.cta-subtitle-clean {
    font-size: 1.2rem;
    color: var(--gray-700);
    margin-bottom: var(--space-3);
    line-height: 1.5;
}

.cta-description-clean {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: var(--space-8);
    line-height: 1.5;
}

.btn-primary-clean {
    background: var(--primary-500);
    color: var(--white);
    border: none;
    padding: var(--space-4) var(--space-8);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    grid-gap: var(--space-2);
    gap: var(--space-2);
    text-decoration: none;
    margin-bottom: var(--space-6);
}

.btn-primary-clean:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.3);
}

.cta-features {
    display: flex;
    justify-content: center;
    grid-gap: var(--space-8);
    gap: var(--space-8);
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    grid-gap: var(--space-2);
    gap: var(--space-2);
    color: var(--gray-600);
    font-size: 0.9rem;
}

.cta-feature svg {
    color: var(--green-500);
    stroke: var(--green-500);
}

/* Dark Footer Styles */
.footer-dark {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    grid-gap: var(--space-20);
    gap: var(--space-20);
    margin-bottom: var(--space-12);
}

.footer-brand-title {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.footer-dark .footer-description {
    color: var(--gray-400);
    line-height: 1.6;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: var(--space-16);
    gap: var(--space-16);
    margin-left: var(--space-8);
}

.footer-column-title {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    grid-gap: var(--space-3);
    gap: var(--space-3);
}

.footer-link {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
    cursor: pointer;
    white-space: nowrap;
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--space-6);
    text-align: center;
}

.footer-copyright {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin: 0;
}

.demo-panel {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.demo-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    background: var(--gray-900);
    color: var(--white);
}

.demo-panel-title {
    display: flex;
    align-items: center;
    grid-gap: var(--space-3);
    gap: var(--space-3);
    font-size: 1rem;
    font-weight: 600;
}

.demo-panel-dots {
    display: flex;
    grid-gap: var(--space-2);
    gap: var(--space-2);
}

.demo-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-700);
}

.demo-panel-body {
    padding: var(--space-8);
}

/* Search Demo */
.search-bar {
    position: relative;
    margin-bottom: var(--space-6);
}

.search-input {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    padding-left: var(--space-12);
    font-size: 1.125rem;
    border: 2px solid var(--gray-300);
    border-radius: 12px;
    transition: all var(--transition);
    font-family: var(--font-sans);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.search-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.search-results {
    display: grid;
    grid-gap: var(--space-4);
    gap: var(--space-4);
}

.result-card {
    padding: var(--space-4);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    transition: all var(--transition);
    cursor: pointer;
}

.result-card:hover {
    background: var(--white);
    border-color: var(--primary-500);
    box-shadow: var(--shadow-md);
}

.result-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.result-meta {
    display: flex;
    grid-gap: var(--space-4);
    gap: var(--space-4);
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--space-2);
}

.result-snippet {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.result-actions {
    display: flex;
    grid-gap: var(--space-2);
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.result-action {
    padding: var(--space-1) var(--space-3);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition);
}

.result-action:hover {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: var(--white);
}

/* Editor Demo */
.editor-container {
    display: grid;
    grid-template-columns: 1fr;
    grid-gap: var(--space-6);
    gap: var(--space-6);
}

@media (min-width: 1024px) {
    .editor-container {
        grid-template-columns: 2fr 1fr;
    }
}

.editor-main {
    background: var(--gray-50);
    border-radius: 12px;
    padding: var(--space-6);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
    min-height: 400px;
}

.editor-line {
    margin-bottom: var(--space-2);
}

.editor-highlight {
    background: rgba(99, 102, 241, 0.1);
    padding: 2px 4px;
    border-radius: 4px;
    color: var(--primary-600);
    font-weight: 600;
}

.editor-sidebar {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: var(--space-4);
}

.ai-suggestion {
    padding: var(--space-4);
    background: var(--primary-50);
    border-left: 3px solid var(--primary-500);
    border-radius: 8px;
    margin-bottom: var(--space-4);
}

.ai-suggestion-title {
    display: flex;
    align-items: center;
    grid-gap: var(--space-2);
    gap: var(--space-2);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary-700);
    margin-bottom: var(--space-2);
}

.ai-suggestion-text {
    font-size: 0.875rem;
    color: var(--gray-700);
    line-height: 1.6;
}

/* Citation Demo */
.citation-list {
    display: grid;
    grid-gap: var(--space-4);
    gap: var(--space-4);
}

.citation-item {
    padding: var(--space-4);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
}

.citation-format-toggle {
    display: flex;
    grid-gap: var(--space-2);
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.format-button {
    padding: var(--space-2) var(--space-4);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition);
}

.format-button.active {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: var(--white);
}

.citation-text {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--gray-700);
}

/* ==========================================
   Features Dark Section
   ========================================== */
.features-dark {
    padding: var(--space-20) var(--space-6);
    background: var(--gray-900);
    color: var(--white);
}

.features-dark .section-title {
    color: var(--white);
}

.features-dark .section-description {
    color: var(--gray-400);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    grid-gap: var(--space-6);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card-dark {
    padding: var(--space-6);
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    transition: all var(--transition);
}

.feature-card-dark:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-500);
}

.feature-icon-dark {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-purple) 100%);
    border-radius: 12px;
    margin-bottom: var(--space-4);
}

.feature-icon-dark svg {
    width: 24px;
    height: 24px;
    stroke: var(--white);
    fill: none;
    stroke-width: 2;
}

.feature-title-dark {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-3);
}

.feature-description-dark {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--gray-400);
}

/* ==========================================
   Stats Counter
   ========================================== */
.stats-section {
    padding: var(--space-20) var(--space-6);
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--accent-purple) 100%);
    color: var(--white);
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    grid-gap: var(--space-8);
    gap: var(--space-8);
    text-align: center;
}

.stat-item {
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
    padding: var(--space-24) var(--space-6);
    text-align: center;
    background: var(--white);
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--space-6);
}

.cta-description {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: var(--space-8);
}

.cta-buttons {
    display: flex;
    grid-gap: var(--space-4);
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-6);
}

.cta-note {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--space-16) var(--space-6) var(--space-8);
}

.footer-content {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    grid-gap: var(--space-8);
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand {
    max-width: 360px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-400) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-3);
}

.footer-description {
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-section-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

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

.footer-link {
    margin-bottom: var(--space-2);
}

.footer-link a {
    font-size: 0.875rem;
    color: var(--gray-400);
    transition: color var(--transition);
}

.footer-link a:hover {
    color: var(--white);
}

.footer-bottom {
    max-width: var(--container-width);
    margin: 0 auto;
    padding-top: var(--space-8);
    border-top: 1px solid var(--dark-border);
    text-align: center;
    font-size: 0.875rem;
}

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 768px) {
    .hero {
        padding: var(--space-16) var(--space-4);
    }

    .demo-section,
    .features-dark,
    .stats-section,
    .cta-section {
        padding: var(--space-16) var(--space-4);
    }

    .tab-nav {
        flex-direction: column;
        grid-gap: var(--space-3);
        gap: var(--space-3);
        padding: 0 var(--space-6);
    }

    .tab-button {
        width: 100%;
        min-width: unset;
        justify-content: center;
        padding: var(--space-4) var(--space-5);
    }

    .research-interface {
        margin: 0 var(--space-4);
        border-radius: 8px;
    }

    .research-search {
        padding: var(--space-4);
    }

    .search-input-container {
        max-width: 100%;
    }

    .research-results {
        padding: var(--space-4);
        max-height: 400px;
    }

    .result-paper {
        padding: var(--space-4);
    }

    .paper-meta {
        flex-direction: column;
        grid-gap: var(--space-2);
        gap: var(--space-2);
    }

    .paper-actions {
        flex-direction: column;
        grid-gap: var(--space-2);
        gap: var(--space-2);
    }

    .action-btn {
        justify-content: center;
        width: 100%;
    }

    .writing-interface {
        margin: 0 var(--space-4);
        border-radius: 8px;
    }

    .writing-content {
        flex-direction: column;
        min-height: auto;
    }

    .writing-main {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        padding: var(--space-4);
    }

    .writing-sidebar {
        width: 100%;
        padding: var(--space-4);
    }

    .suggestion-actions {
        flex-direction: column;
        grid-gap: var(--space-2);
        gap: var(--space-2);
    }

    .suggestion-btn {
        width: 100%;
        justify-content: center;
    }

    .citation-interface {
        margin: 0 var(--space-4);
        border-radius: 8px;
    }

    .citation-content {
        padding: var(--space-4);
    }

    .format-selector {
        grid-gap: var(--space-2);
        gap: var(--space-2);
        margin-bottom: var(--space-4);
    }

    .format-button {
        padding: var(--space-2) var(--space-3);
        font-size: 0.8rem;
        min-width: 60px;
    }

    .citation-item {
        padding: var(--space-4);
    }

    .citation-tip {
        flex-direction: column;
        align-items: flex-start;
        grid-gap: var(--space-2);
        gap: var(--space-2);
        text-align: left;
    }

    .stats-purple {
        padding: var(--space-12) var(--space-4);
    }

    .stats-title-white {
        font-size: 2rem;
    }

    .stats-desc-white {
        font-size: 1rem;
        margin-bottom: var(--space-8);
    }

    .stat-card-purple {
        padding: var(--space-6) var(--space-4);
    }

    .stat-number-white {
        font-size: 2.5rem;
    }

    .stat-label-white {
        font-size: 0.9rem;
    }

    .cta-clean {
        padding: var(--space-12) var(--space-4);
    }

    .cta-title-clean {
        font-size: 2rem;
    }

    .cta-subtitle-clean {
        font-size: 1.1rem;
    }

    .cta-description-clean {
        font-size: 0.95rem;
        margin-bottom: var(--space-6);
    }

    .btn-primary-clean {
        padding: var(--space-3) var(--space-6);
        font-size: 0.95rem;
    }

    .cta-features {
        grid-gap: var(--space-4);
        gap: var(--space-4);
        flex-direction: column;
        align-items: center;
    }

    .cta-feature {
        font-size: 0.85rem;
    }

    .footer-dark {
        padding: var(--space-12) 0 var(--space-6);
    }

    .footer-content {
        grid-template-columns: 1fr;
        grid-gap: var(--space-8);
        gap: var(--space-8);
        margin-bottom: var(--space-8);
    }

    .footer-brand-title {
        font-size: 1.3rem;
    }

    .footer-dark .footer-description {
        max-width: 100%;
    }

    .footer-links {
        grid-template-columns: 1fr;
        grid-gap: var(--space-8);
        gap: var(--space-8);
    }

    .footer-column-title {
        font-size: 0.95rem;
    }

    .footer-link {
        font-size: 0.85rem;
    }

    .footer-copyright {
        font-size: 0.8rem;
    }
}

/* ==========================================
   Reveal Animation
   ========================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}
        /* ==========================================
           🎨 Design System - Ultimate Conversion
           ========================================== */
        :root {
            /* Colors */
            --primary-500: #6366F1;
            --primary-600: #4F46E5;
            --primary-700: #4338CA;
            --primary-50: #EEF2FF;
            --primary-100: #E0E7FF;

            --accent-cyan: #06B6D4;
            --accent-pink: #EC4899;
            --accent-purple: #A855F7;

            --success-500: #10B981;
            --success-100: #D1FAE5;

            --gray-900: #111827;
            --gray-800: #1F2937;
            --gray-700: #374151;
            --gray-600: #4B5563;
            --gray-500: #6B7280;
            --gray-400: #9CA3AF;
            --gray-300: #D1D5DB;
            --gray-200: #E5E7EB;
            --gray-100: #F3F4F6;
            --gray-50: #F9FAFB;
            --white: #FFFFFF;

            /* Typography */
            --font-serif: 'Noto Serif SC', Georgia, serif;
            --font-sans: 'Inter', -apple-system, sans-serif;

            /* Spacing */
            --space-2: 0.5rem;
            --space-3: 0.75rem;
            --space-4: 1rem;
            --space-6: 1.5rem;
            --space-8: 2rem;
            --space-12: 3rem;
            --space-16: 4rem;
            --space-20: 5rem;
            --space-24: 6rem;

            /* Layout */
            --container-width: 1200px;

            /* Effects */
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

            --transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ==========================================
           Base Styles
           ========================================== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--gray-700);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, h4 {
            font-family: var(--font-serif);
            font-weight: 800;
            line-height: 1.2;
            color: var(--gray-900);
        }

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

        /* ==========================================
           Navigation
           ========================================== */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--gray-200);
            transition: all var(--transition);
        }

        .nav.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: var(--space-4) var(--space-6);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .nav-logo {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--gray-900);
        }

        .nav-menu {
            display: none;
            grid-gap: var(--space-8);
            gap: var(--space-8);
        }

        @media (min-width: 768px) {
            .nav-menu {
                display: flex;
            }
        }

        .nav-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--gray-600);
            transition: color var(--transition);
        }

        .nav-link:hover {
            color: var(--primary-600);
        }

        .nav-cta {
            display: flex;
            grid-gap: var(--space-3);
            gap: var(--space-3);
        }

        /* ==========================================
           Button System
           ========================================== */
        .btn {
            display: inline-flex;
            align-items: center;
            grid-gap: var(--space-2);
            gap: var(--space-2);
            padding: var(--space-3) var(--space-6);
            font-size: 1rem;
            font-weight: 600;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
            color: var(--white);
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
        }

        .btn-secondary {
            background: var(--white);
            color: var(--gray-700);
            border: 2px solid var(--gray-300);
        }

        .btn-secondary:hover {
            background: var(--gray-50);
            border-color: var(--primary-500);
            color: var(--primary-600);
        }

        .btn-lg {
            padding: var(--space-4) var(--space-8);
            font-size: 1.125rem;
        }

        /* ==========================================
           Hero Section
           ========================================== */
        .hero {
            padding: calc(var(--space-24) + 60px) var(--space-6) var(--space-20);
            background: linear-gradient(180deg, var(--primary-50) 0%, var(--white) 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            grid-gap: var(--space-2);
            gap: var(--space-2);
            padding: var(--space-2) var(--space-4);
            background: var(--white);
            border: 1px solid var(--primary-200);
            border-radius: 50px;
            color: var(--primary-600);
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: var(--space-6);
            box-shadow: var(--shadow-sm);
        }

        .hero-title {
            font-size: clamp(2.5rem, 6vw, 4rem);
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: var(--space-6);
            letter-spacing: -0.02em;
        }

        .hero-title .gradient {
            background: linear-gradient(135deg, var(--primary-600) 0%, var(--accent-purple) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.375rem;
            line-height: 1.6;
            color: var(--gray-600);
            margin-bottom: var(--space-8);
        }

        .hero-cta {
            display: flex;
            grid-gap: var(--space-4);
            gap: var(--space-4);
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: var(--space-12);
        }

        .hero-trust {
            display: flex;
            align-items: center;
            justify-content: center;
            grid-gap: var(--space-8);
            gap: var(--space-8);
            font-size: 0.875rem;
            color: var(--gray-500);
            flex-wrap: wrap;
        }

        .trust-item {
            display: flex;
            align-items: center;
            grid-gap: var(--space-2);
            gap: var(--space-2);
        }

        /* ==========================================
           Quick Demo Tabs
           ========================================== */
        .quick-demo {
            padding: var(--space-20) var(--space-6);
            background: var(--white);
        }

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

        .section-header {
            text-align: center;
            margin-bottom: var(--space-12);
        }

        .section-badge {
            display: inline-block;
            padding: var(--space-2) var(--space-4);
            background: var(--primary-100);
            color: var(--primary-700);
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-4);
        }

        .section-title {
            font-size: clamp(2rem, 4vw, 2.5rem);
            font-weight: 900;
            margin-bottom: var(--space-4);
        }

        .section-description {
            font-size: 1.125rem;
            color: var(--gray-600);
            max-width: 640px;
            margin: 0 auto;
        }

        /* Tab Navigation */
        .tab-nav {
            display: flex;
            grid-gap: var(--space-3);
            gap: var(--space-3);
            justify-content: center;
            margin-bottom: var(--space-8);
            flex-wrap: wrap;
        }

        .tab-button {
            padding: var(--space-3) var(--space-6);
            background: var(--gray-100);
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--gray-700);
            cursor: pointer;
            transition: all var(--transition);
        }

        .tab-button.active {
            background: var(--primary-500);
            color: var(--white);
            box-shadow: var(--shadow-md);
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
            animation: fadeIn 0.4s ease-out;
        }

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

        .demo-panel {
            background: var(--gray-50);
            border-radius: 16px;
            padding: var(--space-8);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--gray-200);
        }

        .demo-visual {
            background: var(--white);
            border-radius: 12px;
            padding: var(--space-6);
            margin-bottom: var(--space-6);
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--gray-200);
        }

        .demo-feature {
            font-size: 0.875rem;
            color: var(--gray-600);
            line-height: 1.7;
        }

        /* Citation Format Demo */
        .format-toggle {
            display: flex;
            grid-gap: var(--space-2);
            gap: var(--space-2);
            margin-bottom: var(--space-6);
            flex-wrap: wrap;
        }

        .format-btn {
            padding: var(--space-2) var(--space-4);
            background: var(--white);
            border: 1px solid var(--gray-300);
            border-radius: 8px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--gray-600);
            cursor: pointer;
            transition: all var(--transition);
        }

        .format-btn.active {
            background: var(--primary-500);
            border-color: var(--primary-500);
            color: var(--white);
        }

        .citation-display {
            background: var(--white);
            padding: var(--space-6);
            border-radius: 12px;
            border: 1px solid var(--gray-200);
            font-family: 'Georgia', serif;
            font-size: 0.875rem;
            line-height: 1.8;
            color: var(--gray-700);
        }

        /* ==========================================
           Story Cards (Mini Stories)
           ========================================== */
        .stories {
            padding: var(--space-20) var(--space-6);
            background: var(--gray-50);
        }

        .stories-grid {
            display: grid;
            grid-template-columns: 1fr;
            grid-gap: var(--space-8);
            gap: var(--space-8);
            margin-top: var(--space-12);
        }

        @media (min-width: 768px) {
            .stories-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .story-card {
            background: var(--white);
            padding: var(--space-8);
            border-radius: 16px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--gray-200);
            transition: all var(--transition);
        }

        .story-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }

        .story-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-purple) 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--space-4);
        }

        .story-number {
            font-size: 1.75rem;
            font-weight: 900;
            color: var(--white);
        }

        .story-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: var(--space-3);
            color: var(--gray-900);
        }

        .story-text {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--gray-600);
            margin-bottom: var(--space-4);
        }

        .story-stat {
            display: flex;
            align-items: center;
            grid-gap: var(--space-2);
            gap: var(--space-2);
            padding: var(--space-3);
            background: var(--success-100);
            border-radius: 8px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--success-500);
        }

        /* ==========================================
           Pricing Section
           ========================================== */
        .pricing {
            padding: var(--space-20) var(--space-6);
            background: var(--white);
        }

        .pricing-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            grid-gap: var(--space-4);
            gap: var(--space-4);
            margin-bottom: var(--space-12);
        }

        .toggle-label {
            font-size: 1rem;
            font-weight: 600;
            color: var(--gray-600);
        }

        .toggle-label.active {
            color: var(--gray-900);
        }

        .toggle-switch {
            position: relative;
            width: 56px;
            height: 32px;
            background: var(--gray-200);
            border-radius: 50px;
            cursor: pointer;
            transition: background var(--transition);
        }

        .toggle-switch.active {
            background: var(--primary-500);
        }

        .toggle-slider {
            position: absolute;
            top: 4px;
            left: 4px;
            width: 24px;
            height: 24px;
            background: var(--white);
            border-radius: 50%;
            transition: transform var(--transition);
        }

        .toggle-switch.active .toggle-slider {
            transform: translateX(24px);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: 1fr;
            grid-gap: var(--space-8);
            gap: var(--space-8);
            max-width: 1000px;
            margin: 0 auto;
        }

        @media (min-width: 768px) {
            .pricing-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .pricing-card {
            background: var(--white);
            padding: var(--space-8);
            border-radius: 16px;
            border: 2px solid var(--gray-200);
            transition: all var(--transition);
            position: relative;
        }

        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .pricing-card.popular {
            border-color: var(--primary-500);
            box-shadow: var(--shadow-xl);
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            padding: var(--space-2) var(--space-4);
            background: var(--primary-500);
            color: var(--white);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
        }

        .pricing-name {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: var(--space-2);
        }

        .pricing-description {
            font-size: 0.875rem;
            color: var(--gray-600);
            margin-bottom: var(--space-6);
        }

        .pricing-price {
            margin-bottom: var(--space-6);
        }

        .price-amount {
            font-size: 3rem;
            font-weight: 900;
            color: var(--gray-900);
        }

        .price-currency {
            font-size: 1.5rem;
        }

        .price-period {
            font-size: 1rem;
            color: var(--gray-600);
        }

        .pricing-features {
            list-style: none;
            margin-bottom: var(--space-6);
        }

        .pricing-feature {
            display: flex;
            align-items: start;
            grid-gap: var(--space-3);
            gap: var(--space-3);
            padding: var(--space-2) 0;
            font-size: 0.875rem;
            color: var(--gray-700);
        }

        .feature-icon {
            color: var(--success-500);
            font-weight: 700;
        }

        /* ==========================================
           FAQ Section
           ========================================== */
        .faq {
            padding: var(--space-20) var(--space-6);
            background: var(--gray-50);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            margin-top: var(--space-12);
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--gray-200);
            border-radius: 12px;
            margin-bottom: var(--space-4);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-6);
            background: none;
            border: none;
            font-family: var(--font-sans);
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--gray-900);
            text-align: left;
            cursor: pointer;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: var(--gray-50);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            color: var(--primary-500);
            transition: transform var(--transition);
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
        }

        .faq-answer-content {
            padding: 0 var(--space-6) var(--space-6);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--gray-600);
        }

        /* ==========================================
           Final CTA
           ========================================== */
        .final-cta {
            padding: var(--space-24) var(--space-6);
            background: linear-gradient(135deg, var(--primary-600) 0%, var(--accent-purple) 100%);
            color: var(--white);
            text-align: center;
        }

        .cta-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 900;
            margin-bottom: var(--space-6);
            color: var(--white);
        }

        .cta-description {
            font-size: 1.25rem;
            line-height: 1.7;
            margin-bottom: var(--space-8);
            opacity: 0.95;
        }

        .cta-buttons {
            display: flex;
            grid-gap: var(--space-4);
            gap: var(--space-4);
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: var(--space-6);
        }

        .btn-white {
            background: var(--white);
            color: var(--primary-600);
        }

        .btn-white:hover {
            background: var(--gray-100);
        }

        .cta-note {
            font-size: 0.875rem;
            opacity: 0.9;
        }

        /* ==========================================
           Footer
           ========================================== */
        .footer {
            background: var(--gray-900);
            color: var(--gray-400);
            padding: var(--space-16) var(--space-6) var(--space-8);
        }

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

        .footer-logo {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--white);
            margin-bottom: var(--space-4);
        }

        .footer-text {
            font-size: 0.875rem;
            margin-bottom: var(--space-8);
        }

        .footer-links {
            display: flex;
            justify-content: center;
            grid-gap: var(--space-6);
            gap: var(--space-6);
            flex-wrap: wrap;
            margin-bottom: var(--space-8);
        }

        .footer-link {
            font-size: 0.875rem;
            color: var(--gray-400);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            padding-top: var(--space-8);
            border-top: 1px solid var(--gray-800);
            font-size: 0.875rem;
        }

        /* ==========================================
           Mobile Floating CTA
           ========================================== */
        .mobile-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--space-4);
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--gray-200);
            box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
            z-index: 999;
            transform: translateY(100%);
            transition: transform var(--transition);
        }

        .mobile-cta.visible {
            transform: translateY(0);
        }

        @media (min-width: 768px) {
            .mobile-cta {
                display: none;
            }
        }

        /* ==========================================
           Reveal Animation
           ========================================== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

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

        /* ==========================================
           Responsive
           ========================================== */
        @media (max-width: 768px) {
            .hero {
                padding: calc(var(--space-20) + 60px) var(--space-4) var(--space-16);
            }

            .quick-demo,
            .stories,
            .pricing,
            .faq,
            .final-cta {
                padding: var(--space-16) var(--space-4);
            }
        }