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

    :root {
      --background: 210 40% 98%;
      --foreground: 222 47% 11%;
      --card: 0 0% 100%;
      --card-foreground: 222 47% 11%;
      --primary: 217 91% 50%;
      --primary-foreground: 210 40% 98%;
      --secondary: 210 40% 96%;
      --secondary-foreground: 222 47% 11%;
      --muted: 210 40% 96%;
      --muted-foreground: 215 16% 47%;
      --accent: 199 89% 48%;
      --accent-foreground: 210 40% 98%;
      --border: 214 32% 91%;
      --blue-dark: 217 91% 40%;
      --blue-light: 199 89% 48%;
      --blue-glow: 199 89% 60%;
    }

    body {
      font-family: 'Inter', sans-serif;
      background-color: hsl(var(--background));
      color: hsl(var(--foreground));
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: 'Poppins', sans-serif;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 1rem;
    }

    /* Gradients */
    .gradient-primary {
      background: linear-gradient(135deg, hsl(var(--blue-dark)) 0%, hsl(var(--primary)) 50%, hsl(var(--blue-light)) 100%);
    }

    .gradient-button {
      background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(var(--accent)) 100%);
    }

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

    /* Shadows */
    .shadow-card {
      box-shadow: 0 10px 40px -10px hsla(var(--primary), 0.2);
    }

    .shadow-glow {
      box-shadow: 0 0 30px hsla(var(--blue-glow), 0.4);
    }

    /* Animations */
    @keyframes fade-in {
      0% {
        opacity: 0;
        transform: translateY(10px);
      }
      100% {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes bounce {
      0%, 100% {
        transform: translateY(-25%) translateX(-50%);
        animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
      }
      50% {
        transform: translateY(0) translateX(-50%);
        animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
      }
    }

    .animate-fade-in {
      animation: fade-in 0.5s ease-out forwards;
      opacity: 0;
    }

    .animate-bounce {
      animation: bounce 1s infinite;
    }

    /* Header */
    .header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 50;
      background: rgba(255, 255, 255, 0.8);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid hsla(var(--border), 0.5);
    }

    .header-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1rem;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .logo-icon {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .logo-icon svg {
      width: 20px;
      height: 20px;
      color: hsl(var(--primary-foreground));
    }

    .logo-text {
      font-family: 'Poppins', sans-serif;
      font-weight: 700;
      font-size: 1.25rem;
      color: hsl(var(--foreground));
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .header-link {
      color: hsl(var(--muted-foreground));
      text-decoration: none;
      font-size: 0.875rem;
      font-weight: 500;
      transition: color 0.3s;
      display: none;
    }

    .header-link:hover {
      color: hsl(var(--primary));
    }

    @media (min-width: 640px) {
      .header-link {
        display: block;
      }
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.5rem 1rem;
      border-radius: 8px;
      font-weight: 500;
      font-size: 0.875rem;
      cursor: pointer;
      transition: all 0.3s;
      text-decoration: none;
    }

    .btn-outline {
      background: transparent;
      border: 1px solid hsl(var(--primary));
      color: hsl(var(--primary));
    }

    .btn-outline:hover {
      background: hsl(var(--primary));
      color: hsl(var(--primary-foreground));
    }

    .btn-primary {
      border: none;
      color: hsl(var(--primary-foreground));
      font-weight: 600;
    }

    .btn-lg {
      padding: 0.75rem 2rem;
      font-size: 1.125rem;
      border-radius: 12px;
    }

    .btn-primary:hover {
      transform: scale(1.05);
      box-shadow: 0 10px 30px -10px hsla(var(--primary), 0.5);
    }

    /* Hero Section */
    .hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('https://images.unsplash.com/photo-1504674900247-0877df9cc836?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
      background-size: cover;
      background-position: center;
      background-attachment: fixed;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      opacity: 0.9;
    }

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

    .hero-decoration-1 {
      position: absolute;
      top: -10rem;
      right: -10rem;
      width: 20rem;
      height: 20rem;
      background: hsla(var(--accent), 0.2);
      border-radius: 50%;
      filter: blur(48px);
    }

    .hero-decoration-2 {
      position: absolute;
      bottom: -10rem;
      left: -10rem;
      width: 20rem;
      height: 20rem;
      background: hsla(var(--blue-glow), 0.2);
      border-radius: 50%;
      filter: blur(48px);
    }

    .hero-content {
      position: relative;
      z-index: 10;
      text-align: center;
      padding-top: 5rem;
    }

    .hero-title {
      font-weight: 800;
      font-size: 2.5rem;
      color: hsl(var(--primary-foreground));
      margin-bottom: 1.5rem;
      line-height: 1.1;
    }

    .hero-title span {
      color: hsl(var(--accent));
    }

    @media (min-width: 640px) {
      .hero-title {
        font-size: 3rem;
      }
    }

    @media (min-width: 768px) {
      .hero-title {
        font-size: 3.75rem;
      }
    }

    @media (min-width: 1024px) {
      .hero-title {
        font-size: 4.5rem;
      }
    }

    .hero-description {
      font-size: 1.125rem;
      color: hsl(210 40% 98% / 0.9);
      max-width: 42rem;
      margin: 0 auto 2.5rem;
    }

    @media (min-width: 640px) {
      .hero-description {
        font-size: 1.25rem;
      }
    }

    .hero-note {
      color: white;
      font-size: 0.875rem;
      margin-top: 1rem;
    }

    .scroll-indicator {
      position: absolute;
      bottom: 2rem;
      left: 50%;
    }

    .scroll-indicator-inner {
      width: 24px;
      height: 40px;
      border: 2px solid hsl(210 40% 98% / 0.5);
      border-radius: 9999px;
      display: flex;
      align-items: flex-start;
      justify-content: center;
      padding: 0.5rem;
    }

    .scroll-indicator-dot {
      width: 6px;
      height: 12px;
      background: hsl(210 40% 98% / 0.5);
      border-radius: 9999px;
    }

    /* Video Section */
    .video-section {
      padding: 5rem 0;
      background: hsl(var(--background));
    }

    .section-header {
      text-align: center;
      margin-bottom: 3rem;
    }

    .section-title {
      font-weight: 700;
      font-size: 1.875rem;
      color: hsl(var(--foreground));
      margin-bottom: 1rem;
    }

    @media (min-width: 640px) {
      .section-title {
        font-size: 2.25rem;
      }
    }

    .section-description {
      color: hsl(var(--muted-foreground));
      font-size: 1.125rem;
      max-width: 36rem;
      margin: 0 auto;
    }

    .video-container {
      max-width: 56rem;
      margin: 0 auto;
    }

    .video-wrapper {
      position: relative;
      border-radius: 16px;
      overflow: hidden;
      background: hsl(var(--card));
      padding: 0.5rem;
    }

    .video-inner {
      aspect-ratio: 16 / 9;
      border-radius: 12px;
      overflow: hidden;
    }

    .video-inner iframe {
      width: 100%;
      height: 100%;
      border: none;
    }

    /* Sticky Features Section */
    .sticky-section {
      padding: 5rem 0;
      background: hsl(var(--secondary));
    }

    .sticky-content {
      display: flex;
      flex-direction: column;
      gap: 3rem;
    }

    @media (min-width: 1024px) {
      .sticky-content {
        flex-direction: row;
        gap: 4rem;
      }
    }

    .sticky-left {
      flex: 1;
    }

    @media (min-width: 1024px) {
      .sticky-left {
        flex: 0.45;
      }
    }

    .sticky-right {
      display: none;
    }

    @media (min-width: 1024px) {
      .sticky-right {
        display: block;
        flex: 0.55;
        position: sticky;
        top: 6rem;
        height: fit-content;
      }
    }

    .topic-item {
      padding: 2rem;
      border-radius: 16px;
      margin-bottom: 2rem;
      transition: all 0.3s;
      cursor: pointer;
      height: 60vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    @media (min-width: 1024px) {
      .topic-item {
        min-height: 60vh;
      }
    }

    .topic-item:hover,
    .topic-item.active {
      background: hsl(var(--card));
      box-shadow: 0 10px 40px -10px hsla(var(--primary), 0.1);
    }

    .topic-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 2.5rem;
      height: 2.5rem;
      border-radius: 50%;
      font-weight: 700;
      font-size: 1.125rem;
      color: hsl(var(--primary-foreground));
      margin-bottom: 1rem;
    }

    .topic-title {
      font-weight: 700;
      font-size: 1.5rem;
      color: hsl(var(--foreground));
      margin-bottom: 0.75rem;
    }

    @media (min-width: 640px) {
      .topic-title {
        font-size: 1.875rem;
      }
    }

    .topic-description {
      color: hsl(var(--muted-foreground));
      font-size: 1rem;
      line-height: 1.7;
    }

    @media (min-width: 640px) {
      .topic-description {
        font-size: 1.125rem;
      }
    }

    .topic-image-mobile {
      margin-top: 1.5rem;
    }

    @media (min-width: 1024px) {
      .topic-image-mobile {
        display: none;
      }
    }

    .device-mockup {
      background: hsl(var(--foreground));
      border-radius: 12px;
      padding: 0.5rem;
    }

    .device-header {
      display: flex;
      gap: 0.375rem;
      padding: 0.5rem;
      background: hsla(var(--background), 0.1);
      border-radius: 8px 8px 0 0;
    }

    .device-dot {
      width: 0.5rem;
      height: 0.5rem;
      border-radius: 50%;
    }

    .device-dot-red {
      background: #ef4444;
    }

    .device-dot-yellow {
      background: #eab308;
    }

    .device-dot-green {
      background: #22c55e;
    }

    .device-screen {
      position: relative;
      border-radius: 0 0 8px 8px;
      overflow: hidden;
      width: 100%;
      aspect-ratio: 16/9;
    }
    .device-screen img {
      width: 100%;
      height: 100%; 
      object-fit: cover; 
      display: block;
    }

    .panel-image {
      position: absolute;
      top: 0;
      left: 0;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;
      z-index: 0;
    }

    .panel-image.active {
      opacity: 1;
      visibility: visible;
      z-index: 1;
    }

    /* Features Section */
    .features-section {
      padding: 5rem 0;
      background: hsl(var(--background));
    }

    .features-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2rem;
    }

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

    .feature-card {
      padding: 2rem;
      border-radius: 16px;
      background: hsl(var(--card));
      border: 1px solid hsl(var(--border));
      transition: all 0.3s;
    }

    .feature-card:hover {
      border-color: hsla(var(--primary), 0.3);
      box-shadow: 0 10px 40px -10px hsla(var(--primary), 0.2);
    }

    .feature-card:hover .feature-icon {
      transform: scale(1.1);
    }

    .feature-icon {
      width: 3.5rem;
      height: 3.5rem;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.5rem;
      transition: transform 0.3s;
    }

    .feature-icon svg {
      width: 28px;
      height: 28px;
      color: hsl(var(--primary-foreground));
    }

    .feature-title {
      font-weight: 600;
      font-size: 1.25rem;
      color: hsl(var(--foreground));
      margin-bottom: 0.75rem;
    }

    .feature-description {
      color: hsl(var(--muted-foreground));
      line-height: 1.6;
    }

    /* Pricing Section */
    .pricing-section {
      padding: 5rem 0;
      background: hsl(var(--secondary));
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 3rem;
      max-width: 64rem;
      margin: 0 auto;
    }

    @media (min-width: 1024px) {
      .pricing-grid {
        grid-template-columns: 1fr 1fr;
        align-items: flex-start;
      }
    }

    .pricing-card {
      position: relative;
      padding: 2rem;
      border-radius: 24px;
      background: hsl(var(--card));
      border: 2px solid hsl(var(--primary));
    }

    .pricing-badge {
      position: absolute;
      top: -0.75rem;
      left: 50%;
      transform: translateX(-50%);
      padding: 0.25rem 1rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      color: hsl(var(--primary-foreground));
    }

    .pricing-header {
      text-align: center;
      margin-bottom: 2rem;
    }

    .pricing-name {
      font-weight: 700;
      font-size: 1.5rem;
      color: hsl(var(--foreground));
      margin-bottom: 0.5rem;
    }

    .pricing-price {
      display: flex;
      align-items: baseline;
      justify-content: center;
      gap: 0.25rem;
    }

    .pricing-currency {
      font-size: 1.5rem;
      font-weight: 600;
      color: hsl(var(--primary));
    }

    .pricing-amount {
      font-size: 3rem;
      font-weight: 800;
      color: hsl(var(--primary));
    }

    .pricing-period {
      font-size: 1rem;
      color: hsl(var(--muted-foreground));
    }

    .pricing-benefits {
      list-style: none;
      margin-bottom: 2rem;
    }

    .pricing-benefit {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.75rem 0;
      border-bottom: 1px solid hsl(var(--border));
      color: hsl(var(--foreground));
    }

    .pricing-benefit:last-child {
      border-bottom: none;
    }

    .pricing-benefit svg {
      width: 20px;
      height: 20px;
      color: hsl(var(--accent));
      flex-shrink: 0;
    }

    .form-card {
      padding: 2rem;
      border-radius: 24px;
      background: hsl(var(--card));
    }

    .form-title {
      font-weight: 700;
      font-size: 1.5rem;
      color: hsl(var(--foreground));
      text-align: center;
      margin-bottom: 0.5rem;
    }

    .form-subtitle {
      text-align: center;
      color: hsl(var(--muted-foreground));
      margin-bottom: 2rem;
    }

    .form-group {
      margin-bottom: 1rem;
    }

    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 500;
      color: hsl(var(--foreground));
      margin-bottom: 0.5rem;
    }

    .form-input {
      width: 100%;
      padding: 0.75rem 1rem;
      border: 1px solid hsl(var(--border));
      border-radius: 8px;
      font-size: 1rem;
      background: hsl(var(--background));
      color: hsl(var(--foreground));
      transition: border-color 0.3s, box-shadow 0.3s;
    }

    .form-input:focus {
      outline: none;
      border-color: hsl(var(--primary));
      box-shadow: 0 0 0 3px hsla(var(--primary), 0.1);
    }

    .form-input::placeholder {
      color: hsl(var(--muted-foreground));
    }

    .form-button {
      width: 100%;
      padding: 1rem;
      font-size: 1rem;
      margin-top: 0.5rem;
    }

    .form-note {
      text-align: center;
      font-size: 0.875rem;
      color: hsl(var(--muted-foreground));
      margin-top: 1rem;
    }


    /* Modal */
    .modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.6); /* Fundo escurecido */
      backdrop-filter: blur(4px); /* Efeito de desfoque no fundo */
      z-index: 9999;
      display: flex;
      justify-content: center;
      align-items: center;
      
      /* Estado inicial escondido */
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    /* Quando ativo, aparece */
    .modal-overlay.active {
      opacity: 1;
      visibility: visible;
    }

    /* Card do Modal */
    .modal-container {
      background: white;
      width: 90%;
      max-width: 600px;
      max-height: 85vh; /* Máximo de 85% da altura da tela */
      border-radius: 12px;
      position: relative;
      display: flex;
      flex-direction: column;
      transform: scale(0.95);
      transition: transform 0.3s ease;
    }

    .modal-overlay.active .modal-container {
      transform: scale(1);
    }

    /* Conteúdo */
    .modal-header {
      padding: 20px 25px;
      border-bottom: 1px solid #eee;
    }

    .modal-header h3 {
      margin: 0;
      color: #333;
    }

    .modal-body {
      padding: 25px;
      overflow-y: auto; /* Scroll apenas no texto */
      color: #666;
      line-height: 1.6;
    }

    .modal-footer {
      padding: 15px 25px;
      border-top: 1px solid #eee;
      text-align: right;
    }

    /* Botão de Fechar (X) */
    .modal-close {
      position: absolute;
      top: 15px;
      right: 20px;
      background: none;
      border: none;
      font-size: 28px;
      cursor: pointer;
      color: #999;
      transition: color 0.2s;
    }

    .modal-close:hover {
      color: #333;
    }

    /* Link Style */
    .text-primary { color: #007bff; text-decoration: none; }
    .hover-underline:hover { text-decoration: underline; }

    /* Footer */
    .footer {
      padding: 3rem 0;
      background: hsl(var(--foreground));
    }

    .footer-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1.5rem;
    }

    @media (min-width: 640px) {
      .footer-content {
        flex-direction: row;
        justify-content: space-between;
      }
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .footer-logo-icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .footer-logo-icon svg {
      width: 16px;
      height: 16px;
      color: hsl(var(--primary-foreground));
    }

    .footer-logo-text {
      font-family: 'Poppins', sans-serif;
      font-weight: 700;
      color: hsl(var(--background));
    }

    .footer-copyright {
      font-size: 0.875rem;
      color: hsl(210 40% 98% / 0.7);
      display: flex;
      justify-content: center;
    }

    .footer-copyright a {
      color: white;
    }

    .footer-copyright a:hover {
      color: #00bfff;
    }

    .footer-social {
      display: flex;
      align-items: center;
      gap: 1rem;
      color: hsl(210 40% 98% / 0.7);
      line-height: 50%;
    }

    .footer-link {
      color: hsl(210 40% 98% / 0.7);
      transition: color 0.3s;
    }

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

    .footer-link svg {
      width: 24px;
      height: 24px;
    }

    .back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(var(--accent)) 100%);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 9999;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
  }

  /* Classe que será adicionada via JS para mostrar o botão */
  .back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  /* Efeito Hover */
  .back-to-top:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
  }