:root {
      /* Material Design 3 Color System - Dark Theme */
      --md-sys-color-primary: #A8C7FA;
      --md-sys-color-on-primary: #062E6F;
      --md-sys-color-primary-container: #284777;
      --md-sys-color-on-primary-container: #D3E3FD;
      
      --md-sys-color-secondary: #BEC6DC;
      --md-sys-color-on-secondary: #283141;
      --md-sys-color-secondary-container: #3E4759;
      --md-sys-color-on-secondary-container: #DAE2F9;
      
      --md-sys-color-tertiary: #DEBCDF;
      --md-sys-color-on-tertiary: #3F2844;
      --md-sys-color-tertiary-container: #573E5C;
      --md-sys-color-on-tertiary-container: #FBD7FC;
      
      --md-sys-color-surface: #111318;
      --md-sys-color-surface-dim: #111318;
      --md-sys-color-surface-bright: #37393E;
      --md-sys-color-surface-container-lowest: #0C0E13;
      --md-sys-color-surface-container-low: #191C20;
      --md-sys-color-surface-container: #1D2024;
      --md-sys-color-surface-container-high: #282A2F;
      --md-sys-color-surface-container-highest: #32353A;
      
      --md-sys-color-on-surface: #E2E2E6;
      --md-sys-color-on-surface-variant: #C3C6CF;
      --md-sys-color-outline: #8D9199;
      --md-sys-color-outline-variant: #43474E;
      
      --md-sys-color-success: #7DD67D;
      --md-sys-color-error: #F44336;
      
      /* Motion */
      --md-sys-motion-duration-short: 150ms;
      --md-sys-motion-duration-medium: 300ms;
      --md-sys-motion-easing-emphasized: cubic-bezier(0.2, 0, 0, 1);
      
      /* Spacing */
      --space-xs: 4px;
      --space-sm: 8px;
      --space-md: 16px;
      --space-lg: 24px;
      --space-xl: 32px;
      --space-2xl: 48px;
      --space-3xl: 64px;
      
      /* Border Radius */
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-xl: 28px;
      --radius-full: 9999px;
    }

    /* Light Theme */
    body.light-theme {
      --md-sys-color-primary: #3b5998;
      --md-sys-color-on-primary: #ffffff;
      --md-sys-color-primary-container: #D3E3FD;
      --md-sys-color-on-primary-container: #062E6F;
      
      --md-sys-color-surface: #FAFAFA;
      --md-sys-color-surface-dim: #F0F0F0;
      --md-sys-color-surface-bright: #FFFFFF;
      --md-sys-color-surface-container-lowest: #FFFFFF;
      --md-sys-color-surface-container-low: #F5F5F5;
      --md-sys-color-surface-container: #EEEEEE;
      --md-sys-color-surface-container-high: #E0E0E0;
      --md-sys-color-surface-container-highest: #D6D6D6;
      
      --md-sys-color-on-surface: #1C1B1F;
      --md-sys-color-on-surface-variant: #49454F;
      --md-sys-color-outline: #79747E;
      --md-sys-color-outline-variant: #C4C7C5;
      
      --md-sys-color-tertiary: #7B5EA7;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      background: var(--md-sys-color-surface);
      color: var(--md-sys-color-on-surface);
      line-height: 1.6;
      min-height: 100vh;
      overflow-x: hidden;
    }

    /* Liquid background */
    .liquid-bg {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: -1;
      overflow: hidden;
    }

    .liquid-blob {
      position: absolute;
      border-radius: 50%;
      filter: blur(80px);
      opacity: 0.3;
      animation: float 20s ease-in-out infinite;
    }

    .liquid-blob-1 {
      width: 500px;
      height: 500px;
      background: linear-gradient(135deg, var(--md-sys-color-primary) 0%, var(--md-sys-color-tertiary) 100%);
      top: -200px;
      right: -100px;
    }

    .liquid-blob-2 {
      width: 350px;
      height: 350px;
      background: linear-gradient(135deg, var(--md-sys-color-tertiary) 0%, var(--md-sys-color-secondary) 100%);
      bottom: -100px;
      left: -100px;
      animation-delay: -7s;
    }

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

    /* Main Content */
    .main-content {
      padding-top: 80px;
    }

    /* Hero Section */
    .hero {
      text-align: center;
      padding: var(--space-3xl) var(--space-xl) var(--space-2xl);
    }

    .hero-content {
      max-width: 700px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: var(--space-sm);
      padding: 6px 16px;
      background: var(--md-sys-color-surface-container-high);
      border: 1px solid var(--md-sys-color-outline-variant);
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--md-sys-color-primary);
      margin-bottom: var(--space-lg);
    }

    .hero-badge .material-symbols-rounded {
      font-size: 18px;
    }

    .hero-title {
      font-size: 2.5rem;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: var(--space-md);
      background: linear-gradient(135deg, var(--md-sys-color-primary), var(--md-sys-color-tertiary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-subtitle {
      font-size: 1.1rem;
      color: var(--md-sys-color-on-surface-variant);
      line-height: 1.6;
      margin-bottom: var(--space-md);
    }

    .hero-date {
      display: inline-flex;
      align-items: center;
      gap: var(--space-sm);
      font-size: 0.875rem;
      color: var(--md-sys-color-outline);
    }

    .hero-date .material-symbols-rounded {
      font-size: 16px;
    }

    /* Privacy Section */
    .privacy-section {
      padding: 0 var(--space-xl) var(--space-3xl);
    }

    .privacy-container {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: var(--space-lg);
    }

    /* Privacy Cards */
    .privacy-card {
      background: var(--md-sys-color-surface-container);
      border: 1px solid var(--md-sys-color-outline-variant);
      border-radius: var(--radius-lg);
      padding: var(--space-xl);
      transition: border-color var(--md-sys-motion-duration-medium);
    }

    .privacy-card:hover {
      border-color: var(--md-sys-color-outline);
    }

    .privacy-card-contact {
      border-color: var(--md-sys-color-primary-container);
      background: linear-gradient(135deg, 
        var(--md-sys-color-surface-container) 0%, 
        rgba(168, 199, 250, 0.05) 100%
      );
    }

    .privacy-card-header {
      display: flex;
      align-items: center;
      gap: var(--space-md);
      margin-bottom: var(--space-md);
    }

    .privacy-card-icon {
      width: 44px;
      height: 44px;
      min-width: 44px;
      background: var(--md-sys-color-surface-container-high);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .privacy-card-icon .material-symbols-rounded {
      font-size: 22px;
      color: var(--md-sys-color-primary);
    }

    .privacy-card-icon-accent {
      background: var(--md-sys-color-primary-container) !important;
    }

    .privacy-card-icon-accent .material-symbols-rounded {
      color: var(--md-sys-color-on-primary-container) !important;
    }

    .privacy-card-title {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--md-sys-color-on-surface);
    }

    .privacy-card-desc {
      font-size: 0.95rem;
      color: var(--md-sys-color-on-surface-variant);
      line-height: 1.7;
    }

    /* Privacy Lists */
    .privacy-list {
      margin-top: var(--space-md);
      display: flex;
      flex-direction: column;
      gap: var(--space-sm);
    }

    .privacy-list-item {
      display: flex;
      align-items: flex-start;
      gap: var(--space-sm);
      padding: var(--space-sm) var(--space-md);
      background: var(--md-sys-color-surface-container-low);
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      color: var(--md-sys-color-on-surface);
      line-height: 1.5;
    }

    .privacy-list-item .material-symbols-rounded {
      font-size: 20px;
      margin-top: 1px;
      flex-shrink: 0;
    }

    .privacy-check {
      color: var(--md-sys-color-success);
    }

    .privacy-cross {
      color: var(--md-sys-color-error);
    }

    .privacy-info {
      color: var(--md-sys-color-primary);
    }

    /* Highlighted Box */
    .privacy-highlight {
      margin-top: var(--space-md);
      display: flex;
      align-items: flex-start;
      gap: var(--space-md);
      padding: var(--space-md) var(--space-lg);
      background: linear-gradient(135deg, 
        rgba(168, 199, 250, 0.08) 0%, 
        rgba(222, 188, 223, 0.05) 100%
      );
      border: 1px solid var(--md-sys-color-primary-container);
      border-radius: var(--radius-md);
    }

    .privacy-highlight > .material-symbols-rounded {
      font-size: 28px;
      color: var(--md-sys-color-primary);
      margin-top: 2px;
      flex-shrink: 0;
    }

    .privacy-highlight strong {
      display: block;
      font-size: 0.95rem;
      color: var(--md-sys-color-on-surface);
      margin-bottom: 4px;
    }

    .privacy-highlight p {
      font-size: 0.875rem;
      color: var(--md-sys-color-on-surface-variant);
      line-height: 1.6;
    }

    /* Security Badges */
    .security-badges {
      margin-top: var(--space-md);
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-sm);
    }

    .security-badge {
      display: inline-flex;
      align-items: center;
      gap: var(--space-sm);
      padding: 8px 16px;
      background: var(--md-sys-color-surface-container-high);
      border: 1px solid var(--md-sys-color-outline-variant);
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--md-sys-color-on-surface);
    }

    .security-badge .material-symbols-rounded {
      font-size: 18px;
      color: var(--md-sys-color-success);
    }

    /* Contact Info */
    .contact-info {
      margin-top: var(--space-lg);
      display: flex;
      flex-direction: column;
      gap: var(--space-sm);
    }

    .contact-link {
      display: inline-flex;
      align-items: center;
      gap: var(--space-sm);
      padding: 12px var(--space-lg);
      background: var(--md-sys-color-surface-container-high);
      border: 1px solid var(--md-sys-color-outline-variant);
      border-radius: var(--radius-md);
      color: var(--md-sys-color-primary);
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: 500;
      transition: all var(--md-sys-motion-duration-short);
    }

    .contact-link:hover {
      border-color: var(--md-sys-color-primary);
      background: var(--md-sys-color-surface-container-highest);
    }

    .contact-link .material-symbols-rounded {
      font-size: 20px;
    }

    /* Disclaimer */
    .privacy-disclaimer {
      padding: var(--space-md) var(--space-lg);
      border-left: 3px solid var(--md-sys-color-outline-variant);
      font-size: 0.825rem;
      color: var(--md-sys-color-outline);
      line-height: 1.6;
      font-style: italic;
    }

    /* Fade-in Animations */
    .fade-in {
      opacity: 0;
      transform: translateY(20px);
      animation: fadeInUp 0.6s ease forwards;
    }

    .fade-in-delay-1 { animation-delay: 0.1s; }
    .fade-in-delay-2 { animation-delay: 0.2s; }
    .fade-in-delay-3 { animation-delay: 0.3s; }
    .fade-in-delay-4 { animation-delay: 0.4s; }
    .fade-in-delay-5 { animation-delay: 0.5s; }

    @keyframes fadeInUp {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* Responsive */
    @media (max-width: 768px) {
      .hero {
        padding: var(--space-2xl) var(--space-md) var(--space-xl);
      }

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

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

      .privacy-section {
        padding: 0 var(--space-md) var(--space-2xl);
      }

      .privacy-card {
        padding: var(--space-lg);
      }

      .privacy-card-title {
        font-size: 1.1rem;
      }

      .security-badges {
        flex-direction: column;
      }

      .privacy-highlight {
        flex-direction: column;
        gap: var(--space-sm);
      }
    }

    @media (max-width: 480px) {
      .hero-title {
        font-size: 1.5rem;
      }

      .privacy-card {
        padding: var(--space-md);
      }

      .privacy-card-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
      }

      .privacy-card-icon .material-symbols-rounded {
        font-size: 18px;
      }
    }