    :root{
      --bg1:#0b1020;
      --bg2:#1a2a6c;
      --bg3:#16213e;
      --card:rgba(255,255,255,.08);
      --card2:rgba(255,255,255,.06);
      --text:rgba(255,255,255,.92);
      --muted:rgba(255,255,255,.72);
      --line:rgba(255,255,255,.14);
      --shadow: 0 18px 45px rgba(0,0,0,.35);
      --radius: 18px;
      --danger: rgba(255, 140, 140, .95);
      --ok: rgba(140, 255, 190, .95);
    }

    *{ box-sizing:border-box; }
    body{
      margin:0;
      padding: 1rem;
      font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
      color: var(--text);
      background: radial-gradient(1200px 700px at 20% 10%, rgba(255,255,255,.12), transparent 55%),
                  linear-gradient(135deg, var(--bg1), var(--bg2), var(--bg3));
      min-height:100vh;
    }
    a{ color:inherit; text-decoration:none; }

    .container{
      margin:0;
      padding: 1rem;
    }

    /* HERO 100vh */
    header.hero{
      min-height: 100vh; /* requisito */
      display:flex;
      align-items:center;
      padding: 32px 0;
    }
    img{
      width: 16%;
    }
    .img{
      display: flex;
      gap: 12px;
      justify-content: center;
    }

    .topbar{
      position:absolute;
      top: 18px;
      left: 0;
      right: 0;
    }

    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 14px;
      padding: 0 4vw;
    }

    .brand{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand .name{
      font-weight:700;
      letter-spacing:.2px;
    }
    .brand .tag{
      font-size:.9rem;
      color: var(--muted);
    }

    .pill{
      border: 1px solid var(--line);
      background: rgba(0,0,0,.18);
      padding: 10px 14px;
      border-radius: 999px;
      backdrop-filter: blur(10px);
      font-size: .95rem;
      color: var(--muted);
    }

    .grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 26px;
      align-items:stretch;
    }

    .headline{
      font-family: "Playfair Display", serif;
      font-size: clamp(2.2rem, 4vw, 3.4rem);
      line-height: 1.02;
      margin: 0 0 12px;
      letter-spacing: .2px;
    }

    .sub{
      font-size: 1.06rem;
      color: var(--muted);
      margin: 0 0 18px;
      max-width: 60ch;
    }

    .bullets{
      display:grid;
      gap: 10px;
      margin: 0 0 22px;
      padding: 0;
      list-style:none;
    }
    .bullets li{
      display:flex;
      gap: 10px;
      align-items:flex-start;
      color: var(--text);
    }
    .check{
      width: 22px;
      height: 22px;
      border-radius: 6px;
      background: rgba(255,255,255,.12);
      border: 1px solid var(--line);
      display:grid;
      place-items:center;
      flex: 0 0 22px;
      margin-top: 1px;
    }
    .check span{ font-weight:700; }

    .cta-row{
      display:flex;
      flex-wrap:wrap;
      gap: 12px;
      margin-top: 10px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap: 10px;
      padding: 14px 16px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.10);
      box-shadow: var(--shadow);
      font-weight: 600;
      transition: transform .12s ease, background .12s ease;
      cursor:pointer;
    }
    .btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,.14); }
    .btn.primary{
      background: rgba(255,255,255,.18);
      border: 1px solid rgba(255,255,255,.22);
    }
    .btn:disabled{
      opacity:.65;
      cursor:not-allowed;
      transform:none;
    }

    .note{
      margin-top: 12px;
      color: var(--muted);
      font-size: .95rem;
    }

    .card{
      border: 1px solid var(--line);
      background: linear-gradient(180deg, var(--card), var(--card2));
      border-radius: var(--radius);
      padding: 18px;
      box-shadow: var(--shadow);
      backdrop-filter: blur(12px);
    }

    .card h3{
      margin: 0 0 10px;
      font-size: 1.05rem;
      letter-spacing:.2px;
    }

    .info{
      display:grid;
      gap: 10px;
      color: var(--muted);
      font-size: .98rem;
    }
    .info strong{ color: var(--text); font-weight: 600; }

    .divider{
      height: 3px;
      background: linear-gradient(
      to right,
      transparent,
      rgba(255,255,255,.35),
      transparent
      );
      margin: 32px 0;
    }

    main{
      padding: 30px 0 60px;
    }

    .section-title{
      font-family: "Playfair Display", serif;
      font-size: 1.8rem;
      margin: 0 0 10px;
    }
    .section-sub{
      margin: 0 0 18px;
      color: var(--muted);
    }

    .cards-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }

    .step{
      display:flex;
      gap: 12px;
      align-items:center;

    }
    .step .num{
      width: 34px;
      height: 34px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.10);
      display:grid;
      place-items:center;
      font-weight:700;
      flex: 0 0 34px;
      margin-top: 1px;
    }
    .step p{
      margin: 0;
      color: var(--muted);
    }
    .step p strong{ color: var(--text); }

    /* Testimonios */
    .quote{
      color: var(--muted);
      margin: 0;
      line-height: 1.55;
    }
    .who{
      margin-top: 12px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
      color: var(--muted);
      font-size:.95rem;
    }
    .stars{
      letter-spacing: 1px;
      opacity:.9;
      white-space:nowrap;
    }

    /* Form */
    form{
      display:grid;
      gap: 12px;
      text-align:left;
      margin-top: 10px;
    }
    .row-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    label{
      display:block;
      font-size:.93rem;
      color: var(--muted);
      margin-bottom: 6px;
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: rgba(0,0,0,.18);
      color: var(--text);
      outline:none;
    }
    textarea{ min-height: 92px; resize: vertical; }
    input::placeholder, textarea::placeholder{ color: rgba(255,255,255,.45); }

    .form-footer{
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      align-items:center;
      justify-content:space-between;
      margin-top: 6px;
    }

    .msg{
      font-size:.95rem;
      margin: 0;
      color: var(--muted);
    }
    .msg.ok{ color: var(--ok); }
    .msg.err{ color: var(--danger); }

    .faq{
      display:grid;
      gap: 10px;
    }
    details{
      border: 1px solid var(--line);
      background: rgba(0,0,0,.16);
      border-radius: 14px;
      padding: 12px 14px;
    }
    summary{
      cursor:pointer;
      font-weight: 600;
    }
    details p{
      margin: 10px 0 0;
      color: var(--muted);
    }

    footer{
      padding: 24px 0 40px;
      color: var(--muted);
      text-align:center;
    }

    @media (max-width: 520px){
      header.hero{ width: 100%; }
      .topbar{position: static;padding: 12px 0; top: 0}
      .grid{ grid-template-columns: 1fr; }
      .cards-3{ grid-template-columns: 1fr; }
      .row-2{ grid-template-columns: 1fr; }
      .topbar-inner{ padding: 0 4.5vw; }
      .headline{font-size: 1.6rem;line-height: 1.15;word-break: normal; padding: .5vh 0;justify-content: center;text-align: center;}
      .cta-row{ justify-content: center; flex-wrap: wrap; }
      .section-title{display: flex; justify-content: center;text-align: center;}
      .section-sub{display: flex; justify-content: center;text-align: center;}
      .img{display: flex;gap: 12px;justify-content: center;width: 100%;}
    }