:root {
      --primary-color: #2b5f8e;
      --secondary-color: #4caf50;
      --accent-color: #e8f5e9;
      --text-dark: #1a2b3c;
      --text-light: #4a5b6c;
      --bg-color: #ffffff;
      --card-bg: #f8fafc;
      --border-radius: 16px;
      --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      background-color: #eef2f5;
      display: flex;
      justify-content: center;
      align-items: flex-start;
      min-height: 100vh;
      padding: 0px;
      color: var(--text-dark);
      line-height: 1.5;
    }

    .container {
      max-width: 480px;
      width: 100%;
      background-color: var(--bg-color);
      border-radius: 24px;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      padding: 24px 20px;
    }

    .hero {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-bottom: 30px;
      position: relative;
      text-align: center;
    }

    .hero-text {
      flex: 1;
    }

    .hero-text h1 {
      font-size: 1.6rem;
      font-weight: 800;
      line-height: 1.2;
      color: var(--primary-color);
      margin-bottom: 8px;
    }

    .hero-text h1 span {
      color: var(--secondary-color);
    }

    .hero-text p {
      font-size: 1rem;
      color: var(--text-light);
      margin-bottom: 12px;
    }

    .hero-text .description {
      font-size: 0.9rem;
      color: var(--text-light);
      line-height: 1.6;
    }

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

    .badge {
      position: absolute;
      top: -10px;
      right: 0;
      background-color: #e8f5e9;
      color: #2e7d32;
      font-size: 0.7rem;
      font-weight: 700;
      padding: 8px 12px;
      border-radius: 20px;
      text-align: center;
      line-height: 1.2;
      transform: rotate(5deg);
      box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }

    .image-placeholder {
      width: 160px;
      height: 120px;
      background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      color: #4f46e5;
      font-weight: 600;
      text-align: center;
      padding: 10px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    }

    .section-card {
      background-color: var(--card-bg);
      border-radius: var(--border-radius);
      padding: 20px;
      margin-bottom: 20px;
      border: 1px solid #e2e8f0;
    }

    .section-title {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 16px;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .feature-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 8px;
    }

    .feature-icon {
      width: 48px;
      height: 48px;
      background-color: #e8f5e9;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--secondary-color);
      font-size: 1.2rem;
      font-weight: bold;
    }

    .feature-item span {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--text-dark);
      line-height: 1.3;
    }

    .steps-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .step-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
    }

    .step-number {
      width: 32px;
      height: 32px;
      background-color: #e0f2fe;
      color: #0284c7;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .step-content h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 2px;
    }

    .step-content p {
      font-size: 0.85rem;
      color: var(--text-light);
      line-height: 1.4;
    }

    .cta-section {
      background-color: var(--accent-color);
      border-radius: var(--border-radius);
      padding: 24px 20px;
      text-align: center;
      margin-top: 10px;
    }

    .cta-section h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 8px;
    }

    .cta-section p {
      font-size: 0.9rem;
      color: var(--text-light);
      margin-bottom: 20px;
    }

    .whatsapp-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      width: 100%;
      padding: 16px;
      background-color: #25d366;
      color: #ffffff;
      text-decoration: none;
      border-radius: 50px;
      font-weight: 700;
      font-size: 1rem;
      transition: transform 0.2s, background-color 0.2s;
      box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    }

    .whatsapp-btn:hover {
      background-color: #1ebe5d;
      transform: translateY(-2px);
    }

    .whatsapp-btn svg {
      width: 20px;
      height: 20px;
      fill: currentColor;
    }

    .footer-note {
      text-align: center;
      font-size: 0.75rem;
      color: #94a3b8;
      margin-top: 20px;
      border-top: 1px solid #e2e8f0;
      padding-top: 16px;
    }

    @media (min-width: 640px) {
      .container {
        max-width: 600px;
        padding: 32px;
      }
      .hero {
        flex-direction: row;
        align-items: center;
        text-align: left;
      }
      .hero-text h1 {
        font-size: 1.9rem;
      }
      .hero-visual {
        max-width: 400px;
        justify-content: center;
      }
      .features-grid {
        grid-template-columns: repeat(5, 1fr);
      }
      .steps-list {
        gap: 20px;
      }
    }