*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --navy:   #001F3F;
      --cyan:   #00D9FF;
      --dark:   #0A0F1E;
      --mid:    #0D1628;
      --card:   #111827;
      --border: rgba(0,217,255,.12);
      --text:   #E2E8F0;
      --muted:  #64748B;
      --white:  #FFFFFF;
    }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Inter', sans-serif;
      background: var(--dark);
      color: var(--text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    /* NAV */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      display: flex; align-items: center; justify-content: space-between;
      padding: 0 5%; height: 68px;
      background: rgba(10,15,30,.9);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
    }
    .nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
    .nav-logo-text {
      font-size: 1.2rem; font-weight: 700; letter-spacing: -.01em;
      color: var(--white);
    }
    .nav-logo-text span { color: var(--cyan); }
    .nav-tagline { font-size: .65rem; color: var(--muted); letter-spacing: .04em; margin-top: 1px; }
    nav ul { list-style: none; display: flex; gap: 32px; }
    nav ul a { color: var(--muted); text-decoration: none; font-size: .85rem; font-weight: 500; transition: color .2s; }
    nav ul a:hover { color: var(--cyan); }
    .cta-nav {
      background: var(--cyan); color: var(--navy);
      border: none; border-radius: 6px;
      padding: 9px 22px; font-size: .85rem; font-weight: 600;
      cursor: pointer; text-decoration: none; transition: opacity .2s;
    }
    .cta-nav:hover { opacity: .85; }

    /* HERO */
    .hero {
      min-height: 100vh;
      display: flex; align-items: center; justify-content: center;
      text-align: center; padding: 120px 5% 80px;
      background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0,217,255,.14) 0%, transparent 70%),
        var(--dark);
      position: relative; overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute; inset: 0;
      background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300D9FF' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    }

    /* Hero waveform decoration */
    .hero-wave {
      position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
      opacity: .15; pointer-events: none;
    }

    .hero-inner { position: relative; max-width: 780px; }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(0,217,255,.08); border: 1px solid var(--border);
      border-radius: 999px; padding: 6px 18px;
      font-size: .73rem; font-weight: 600; color: var(--cyan);
      letter-spacing: .08em; text-transform: uppercase; margin-bottom: 30px;
    }
    .hero-badge::before {
      content: ''; width: 7px; height: 7px; border-radius: 50%;
      background: var(--cyan); animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%,100% { opacity:1; transform:scale(1); }
      50%      { opacity:.3; transform:scale(1.6); }
    }
    .hero-logo-display {
      margin-bottom: 32px;
    }
    .hero-logo-display .wordmark {
      font-size: clamp(2.8rem, 7vw, 5rem);
      font-weight: 800; letter-spacing: -.03em;
      color: var(--white); line-height: 1;
    }
    .hero-logo-display .wordmark span { color: var(--cyan); }
    .hero-logo-display .tagline-small {
      font-size: .82rem; color: var(--muted); letter-spacing: .12em;
      text-transform: uppercase; margin-top: 6px;
    }
    .hero h1 {
      font-size: clamp(1.5rem, 3.5vw, 2.3rem);
      font-weight: 600; line-height: 1.3;
      color: rgba(226,232,240,.85);
      letter-spacing: -.01em; margin-bottom: 20px;
    }
    .hero h1 strong { color: var(--white); font-weight: 700; }
    .hero p {
      font-size: clamp(.95rem, 2vw, 1.1rem);
      color: var(--muted); max-width: 520px; margin: 0 auto 40px;
    }
    .hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
    .btn-primary {
      background: var(--cyan); color: var(--navy);
      border: none; border-radius: 8px;
      padding: 14px 32px; font-size: .95rem; font-weight: 700;
      cursor: pointer; text-decoration: none;
      transition: transform .2s, opacity .2s;
    }
    .btn-primary:hover { transform: translateY(-2px); opacity: .9; }
    .btn-ghost {
      background: transparent; color: var(--text);
      border: 1px solid rgba(255,255,255,.15); border-radius: 8px;
      padding: 14px 32px; font-size: .95rem; font-weight: 500;
      cursor: pointer; text-decoration: none;
      transition: border-color .2s, color .2s;
    }
    .btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

    /* STATS */
    .stats {
      background: var(--mid);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 56px 5%;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px,1fr));
      gap: 40px; max-width: 1000px; margin: 0 auto; text-align: center;
    }
    .stat-num { font-size: 2.3rem; font-weight: 700; color: var(--cyan); letter-spacing: -.02em; line-height: 1; }
    .stat-label { font-size: .8rem; color: var(--muted); margin-top: 6px; font-weight: 500; }

    /* SECTIONS */
    section { padding: 90px 5%; }
    .section-label {
      font-size: .72rem; font-weight: 600; letter-spacing: .14em;
      text-transform: uppercase; color: var(--cyan); margin-bottom: 12px;
    }
    .section-title {
      font-size: clamp(1.6rem, 3.5vw, 2.4rem);
      font-weight: 700; color: var(--white); line-height: 1.2;
      letter-spacing: -.01em; margin-bottom: 14px;
    }
    .section-sub { font-size: 1rem; color: var(--muted); max-width: 520px; margin-bottom: 52px; }
    .center { text-align: center; }
    .center .section-sub { margin-left: auto; margin-right: auto; }

    /* PRODUCTS */
    .products { background: var(--dark); }
    .products-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
      gap: 20px; max-width: 1100px; margin: 0 auto;
    }
    .product-card {
      background: var(--card); border: 1px solid var(--border);
      border-radius: 14px; padding: 30px 26px;
      transition: border-color .25s, transform .25s;
    }
    .product-card:hover { border-color: rgba(0,217,255,.35); transform: translateY(-4px); }
    .product-icon {
      width: 44px; height: 44px; border-radius: 10px;
      background: rgba(0,217,255,.1); border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      font-size: 1.3rem; margin-bottom: 18px;
    }
    .product-card h3 { font-size: 1rem; font-weight: 600; color: var(--white); margin-bottom: 8px; }
    .product-card p { font-size: .87rem; color: var(--muted); line-height: 1.6; }

    /* HOW */
    .how { background: var(--mid); }
    .steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
      gap: 32px; max-width: 1000px; margin: 0 auto;
    }
    .step { display: flex; flex-direction: column; gap: 14px; }
    .step-num {
      width: 36px; height: 36px; border-radius: 50%;
      background: rgba(0,217,255,.1); border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      font-size: .78rem; font-weight: 700; color: var(--cyan);
    }
    .step h4 { font-size: .95rem; font-weight: 600; color: var(--white); }
    .step p  { font-size: .85rem; color: var(--muted); line-height: 1.6; }

    /* INDUSTRIES */
    .industries { background: var(--dark); }
    .industries-grid { display: flex; flex-wrap: wrap; gap: 12px; max-width: 860px; margin: 0 auto; }
    .industry-tag {
      background: rgba(0,217,255,.06); border: 1px solid var(--border);
      border-radius: 999px; padding: 9px 20px;
      font-size: .84rem; color: var(--text); font-weight: 500;
      transition: background .2s, border-color .2s, color .2s; cursor: default;
    }
    .industry-tag:hover { background: rgba(0,217,255,.14); border-color: rgba(0,217,255,.4); color: var(--cyan); }

    /* TECH */
    .tech { background: var(--mid); }
    .tech-grid {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr));
      gap: 16px; max-width: 900px; margin: 0 auto;
    }
    .tech-item {
      background: var(--card); border: 1px solid var(--border);
      border-radius: 10px; padding: 22px 16px; text-align: center;
      font-size: .82rem; color: var(--muted); font-weight: 500;
      transition: border-color .2s, color .2s;
    }
    .tech-item:hover { border-color: rgba(0,217,255,.3); color: var(--text); }
    .tech-item span { display: block; font-size: 1.5rem; margin-bottom: 8px; }

    /* METRICS */
    .metrics { background: var(--dark); }
    .metrics-grid {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(190px,1fr));
      gap: 20px; max-width: 900px; margin: 0 auto;
    }
    .metric-card {
      background: var(--card); border: 1px solid var(--border);
      border-radius: 14px; padding: 26px 22px;
    }
    .metric-card .label { font-size: .73rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; }
    .metric-card .value { font-size: 1.9rem; font-weight: 700; color: var(--cyan); line-height: 1; }
    .metric-card .note  { font-size: .78rem; color: var(--muted); margin-top: 6px; }

    /* CTA */
    .cta-section {
      background:
        radial-gradient(ellipse 80% 60% at 50% 50%, rgba(0,217,255,.1) 0%, transparent 70%),
        var(--mid);
      padding: 100px 5%; text-align: center;
      border-top: 1px solid var(--border);
    }
    .cta-section h2 {
      font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700;
      color: var(--white); max-width: 600px; margin: 0 auto 16px;
      letter-spacing: -.01em;
    }
    .cta-section p { color: var(--muted); max-width: 460px; margin: 0 auto 40px; }
    .cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

    /* LEAD FORM */
    .lead-form { max-width: 560px; margin: 0 auto; text-align: left; }
    .lead-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
    .lead-form input, .lead-form select, .lead-form textarea {
      width: 100%; background: var(--card); color: var(--text);
      border: 1px solid var(--border); border-radius: 8px; padding: 13px 14px;
      font-size: .92rem; font-family: inherit; transition: border-color .2s;
    }
    .lead-form input::placeholder, .lead-form textarea::placeholder { color: var(--muted); }
    .lead-form select { color: var(--muted); }
    .lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus { outline: none; border-color: var(--cyan); }
    .lead-form textarea { margin-bottom: 14px; resize: vertical; }
    .lead-form button { width: 100%; }
    .lead-note { margin-top: 14px; font-size: .85rem; color: var(--muted); text-align: center; }
    .lead-note.ok { color: var(--cyan); }
    .lead-hp { position: absolute; left: -9999px; }
    @media (max-width: 520px) { .lead-form .row2 { grid-template-columns: 1fr; } }

    /* FOOTER */
    footer {
      background: var(--dark); border-top: 1px solid var(--border);
      padding: 36px 5%;
      display: flex; align-items: center; justify-content: space-between;
      flex-wrap: wrap; gap: 20px;
    }
    .footer-brand .wordmark { font-size: 1.1rem; font-weight: 700; color: var(--white); }
    .footer-brand .wordmark span { color: var(--cyan); }
    footer p { font-size: .78rem; color: var(--muted); }
    footer nav ul { list-style: none; display: flex; gap: 24px; flex-wrap: wrap; }
    footer nav ul a { color: var(--muted); font-size: .78rem; text-decoration: none; transition: color .2s; }
    footer nav ul a:hover { color: var(--cyan); }

    @media (max-width: 640px) {
      nav ul { display: none; }
      footer { flex-direction: column; text-align: center; }
    }
  
      .hamburger { display: none; flex-direction: column; cursor: pointer; gap: 5px; padding: 4px; }
      .hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.3s; }
      .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
      .hamburger.open span:nth-child(2) { opacity: 0; }
      .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
      @media (max-width: 640px) {
        .hamburger { display: flex; }
        nav ul { display: none; position: fixed; top: 56px; left: 0; right: 0; background: #0a0f1e; flex-direction: column; align-items: center; padding: 24px 0; gap: 16px; z-index: 999; }
        nav ul.open { display: flex; }
        .cta-nav { display: none; }
      }
    
  /* ── WhatsApp Floating Button ── */
  .wa-float {
    display: none; /* WhatsApp deshabilitado hasta tener un número propio de AlphaVoX */
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
    display: none; /* WhatsApp deshabilitado hasta tener número propio de AlphaVoX */
    align-items: center;
    gap: 10px;
    text-decoration: none;
    animation: wa-bounce 2.5s infinite;
  }
  .wa-float-bubble {
    background: #25D366;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px 12px 14px;
    box-shadow: 0 4px 20px rgba(37,211,102,0.45);
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .wa-float-bubble:hover {
    transform: scale(1.06);
    box-shadow: 0 6px 28px rgba(37,211,102,0.6);
  }
  .wa-float-bubble svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
  }
  .wa-float-text {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    letter-spacing: 0.01em;
  }
  @keyframes wa-bounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-6px); }
  }
  @media (max-width: 480px) {
    .wa-float { bottom: 18px; right: 16px; }
    .wa-float-text { display: none; }
    .wa-float-bubble { padding: 12px; border-radius: 50%; }
  }


  /* Utilidades que sustituyen a los estilos en línea: con ellas la CSP puede
     declarar style-src 'self' sin 'unsafe-inline'. */
  .wrap { max-width: 1100px; margin: 0 auto; }
  .band {
    background: var(--mid);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .band-bottom { border-bottom: 1px solid var(--border); }
  .intro-720 { max-width: 720px; margin: 0 auto 46px; }
  .intro-760 { max-width: 760px; margin: 0 auto 46px; }
  .intro-860 { max-width: 860px; margin: 0 auto 40px; }
  .intro-900 { max-width: 900px; margin: 0 auto 40px; }
  .intro-900-alt { max-width: 900px; margin: 0 auto 48px; }
  .intro-1000 { max-width: 1000px; margin: 0 auto 56px; }
  .center-grid { justify-content: center; }
  .link-cyan { color: var(--cyan); }