:root {
      --laranja: #ff6600;
      --roxo: #8a0a8f;
      --amarelo: #f5c400;
      --fundo: linear-gradient(135deg, #0f172a, #000000);
      --texto-claro: #f8f9fa;
    }

    body {
      margin: 0;
      font-family: 'Poppins', sans-serif;
      background: var(--fundo);
      color: var(--texto-claro);
      overflow-x: hidden;
      scroll-behavior: smooth;
    }

    /* === CABEÇALHO === */
    header {
      background: linear-gradient(90deg, rgba(175, 150, 8, 0.95), rgba(138, 10, 143, 0.95));
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 15px 50px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.6);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 2px solid #ffcc00;
    }

    header img {
      width: 75px;
      height: 75px;
      border-radius: 50%;
      object-fit: cover;
      box-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
    }

    header h1 {
      color: #fff;
      font-weight: 700;
      text-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
      letter-spacing: 1px;
    }

    nav ul {
      display: flex;
      list-style: none;
      gap: 2rem;
      margin: 0;
      padding: 0;
    }

    nav a {
      color: #fff;
      text-decoration: none;
      font-weight: 600;
      padding: 8px 18px;
      border-radius: 8px;
      transition: all 0.3s ease;
    }

    nav a:hover {
      background: rgba(255, 255, 255, 0.15);
      color: var(--amarelo);
      box-shadow: 0 0 10px var(--amarelo);
    }

    /* ===== CONTEÚDO ===== */
    main {
      padding: 60px 20px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    h2.fale {
      color: var(--laranja);
      font-weight: 600;
      margin-top: 40px;
      text-transform: uppercase;
      letter-spacing: 1px;
      text-shadow: 0 0 10px rgba(255, 102, 0, 0.6);
    }

    /* ===== CENTRAL INTELIGENTE ===== */
    .central {
      text-align: center;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 20px;
      padding: 40px 25px;
      box-shadow: 0 0 25px rgba(255, 255, 255, 0.05);
      max-width: 600px;
      margin: 0 auto 40px;
      backdrop-filter: blur(10px);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .central:hover {
      transform: translateY(-5px);
      box-shadow: 0 0 30px rgba(255, 204, 0, 0.4);
    }

    .central h3 {
      color: var(--amarelo);
      font-weight: 700;
      margin-bottom: 15px;
      text-shadow: 0 0 15px rgba(245, 196, 0, 0.5);
    }

    .central p {
      margin: 6px 0;
      color: #eee;
      font-size: 15px;
    }

    /* ===== BOTÃO FATURA ===== */
    .central a.btn-fatura {
      display: inline-block;
      background: linear-gradient(90deg, var(--roxo), var(--laranja));
      color: #fff;
      padding: 14px 30px;
      border-radius: 50px;
      font-weight: 700;
      text-transform: uppercase;
      text-decoration: none;
      margin-top: 25px;
      transition: all 0.4s ease;
      letter-spacing: 1px;
      box-shadow: 0 0 15px rgba(255, 102, 0, 0.5);
    }

    .central a.btn-fatura:hover {
      transform: scale(1.07);
      background: linear-gradient(90deg, var(--laranja), var(--roxo));
      box-shadow: 0 0 25px rgba(255, 204, 0, 0.6);
    }

    /* ===== RODAPÉ ===== */
    footer {
      background: rgba(0, 0, 0, 0.8);
      color: #ccc;
      text-align: center;
      padding: 20px 0;
      margin-top: 50px;
      box-shadow: 0 -4px 20px rgba(255, 102, 0, 0.2);
      font-size: 14px;
    }

    /* ===== RESPONSIVIDADE ===== */
    @media (max-width: 768px) {
      header {
        flex-direction: column;
        text-align: center;
        padding: 20px;
      }
      header img {
        width: 90px;
        height: 90px;
        margin-bottom: 10px;
      }
      nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
      }
      .central {
        padding: 25px;
      }
    }