body {
      margin: 0;
      font-family: 'Roboto', sans-serif;
      background-color: var(--md-sys-color-surface);
      color: var(--md-sys-color-on-surface);
      display: flex;
      flex-direction: column;
      min-height: 100vh;
      box-sizing: border-box;
      -webkit-font-smoothing: antialiased;
    }

    header {
      padding: 16px 24px;
      display: flex;
      align-items: center;
      gap: 12px;
      background-color: var(--md-sys-color-surface);
      border-bottom: 1px solid var(--md-sys-color-surface-container-high);
    }

    header h1 {
      margin: 0;
      font-size: 22px;
      font-weight: 500;
      letter-spacing: 0.15px;
    }

    .hero {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 80px 24px;
      flex: 1;
    }

    .hero-title {
      font-size: 57px;
      font-weight: 400;
      line-height: 64px;
      margin-bottom: 24px;
      background: linear-gradient(135deg, var(--hero-gradient-start, var(--md-sys-color-primary)), var(--hero-gradient-end, var(--md-sys-color-on-primary-container)));
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      max-width: 800px;
    }

    .hero-subtitle {
      font-size: 22px;
      line-height: 28px;
      color: var(--md-sys-color-on-surface);
      opacity: 0.8;
      max-width: 600px;
      margin-bottom: 48px;
    }

    .action-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .action-buttons md-filled-button, 
    .action-buttons md-outlined-button {
      --md-filled-button-container-shape: 16px;
      --md-outlined-button-container-shape: 16px;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 24px;
      max-width: 1200px;
      margin: 0 auto 80px;
      padding: 0 24px;
      width: 100%;
      box-sizing: border-box;
    }

    .feature-card {
      background-color: var(--md-sys-color-surface-container);
      border-radius: 24px;
      padding: 32px;
      position: relative;
      overflow: hidden;
      transition: transform 0.2s cubic-bezier(0.2, 0, 0, 1), background-color 0.2s;
      cursor: default;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    
    .feature-card:hover {
      transform: translateY(-4px);
      background-color: var(--md-sys-color-surface-container-high);
    }

    .feature-card-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 56px;
      height: 56px;
      border-radius: 16px;
      background-color: var(--md-sys-color-secondary-container);
      color: var(--md-sys-color-on-secondary-container);
    }

    .feature-card-icon .material-symbols-outlined {
      font-size: 32px;
    }

    .feature-card-title {
      margin: 0;
      font-size: 22px;
      font-weight: 500;
    }

    .feature-card-desc {
      margin: 0;
      font-size: 14px;
      line-height: 20px;
      opacity: 0.8;
    }

    @media (max-width: 600px) {
      .hero-title { font-size: 40px; line-height: 48px; }
      .hero-subtitle { font-size: 18px; }
      .action-buttons { flex-direction: column; width: 100%; max-width: 300px; }
      .action-buttons > * { width: 100%; }
    }

    md-icon {
      font-family: 'Material Symbols Outlined' !important;
      font-feature-settings: 'liga';
      font-weight: normal;
      font-style: normal;
    }