:root { --bio: #0EB8AD; --bio-dim: rgba(14,184,173,.12); --bio-border: rgba(14,184,173,.3); }
    .hero-nb {
      position: relative; min-height: 100svh; display: flex; align-items: center;
      padding: 100px 0 80px; background: #050F0E; overflow: hidden;
    }
    .hero-nb-orb {
      position: absolute; right: -60px; top: 50%; transform: translateY(-50%);
      width: min(560px, 85vw); aspect-ratio: 1; opacity: .15; pointer-events: none;
    }
    .hero-nb-orb img { width: 100%; height: 100%; object-fit: contain; }
    .hero-nb-orb::after {
      content: ''; position: absolute; inset: -20%; border-radius: 50%;
      background: radial-gradient(circle, rgba(14,184,173,.35) 0%, transparent 70%);
    }
    .hero-nb-content { position: relative; z-index: 1; max-width: 600px; }
.hero-nb .hero-eyebrow { color: var(--bio); }
    .hero-nb .hero-title   { color: var(--white); }
    .hero-nb .hero-title em { color: #7FD8D4; font-style: italic; }
    .hero-nb .hero-sub     { color: rgba(255,255,255,.75); }
    .nb-stat-badge {
      display: inline-flex; align-items: baseline; gap: 8px;
      background: var(--bio-dim); border: 1px solid var(--bio-border);
      border-radius: 99px; padding: 8px 20px; margin-bottom: 28px;
      font-size: .82rem; color: var(--bio); font-weight: 600; letter-spacing: .06em;
    }
    .nb-stat-badge strong { font-size: 1.5rem; font-weight: 700; color: #7FD8D4; }
    .nb-tech { padding: var(--section-py) 0; background: var(--bg-alt); }
    .nb-tech-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
    @media (max-width: 860px) { .nb-tech-inner { grid-template-columns: 1fr; gap: 36px; } }
    .nb-tech-img { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; background: #0A1A19; }
    .nb-tech-img img { width: 100%; height: 100%; object-fit: cover; }
    .nb-tech-texto .section-label {
      display: block; font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
      color: var(--bio); margin-bottom: 14px;
    }
    .nb-tech-texto h2 {
      font-family: var(--font-serif); font-size: clamp(1.8rem, 3.5vw, 2.6rem);
      font-weight: 500; color: var(--text); line-height: 1.15; margin-bottom: 20px;
    }
    .nb-tech-texto p { font-size: .93rem; color: var(--text-muted); line-height: 1.75; }
    .nb-tech-texto p + p { margin-top: 14px; }
    .unicos-list { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
    .unico-item {
      display: flex; align-items: center; gap: 12px;
      background: var(--bio-dim); border: 1px solid var(--bio-border);
      border-radius: 8px; padding: 12px 16px;
    }
    .unico-check {
      flex-shrink: 0; width: 20px; height: 20px;
      background: var(--bio); border-radius: 4px;
      display: flex; align-items: center; justify-content: center;
      color: #fff;
    }
    .unico-check svg { width: 12px; height: 12px; }
    .unico-item span { font-size: .85rem; font-weight: 600; color: rgba(255,255,255,.85); }
    .unico-item strong { color: var(--bio); }
    .nb-mecanismos { padding: var(--section-py) 0; background: var(--bg-dark); }
    .nb-mec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
    @media (max-width: 860px) { .nb-mec-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 500px) { .nb-mec-grid { grid-template-columns: 1fr; } }
    .nb-mec-card {
      background: #0A1F1E; border: 1px solid rgba(14,184,173,.12);
      border-radius: var(--radius); padding: 22px 20px; text-align: center;
      transition: border-color .25s;
    }
    .nb-mec-card:hover { border-color: var(--bio-border); }
    .nb-mec-num {
      font-size: 2rem; font-weight: 800; color: var(--bio); line-height: 1;
      font-family: var(--font-sans); margin-bottom: 10px; opacity: .5;
    }
    .nb-mec-card h3 { font-family: var(--font-serif); font-size: 1rem; font-weight: 600; color: var(--white); line-height: 1.3; }
    .nb-difs { padding: var(--section-py) 0; background: var(--bg-alt); }
    .nb-difs-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 48px; }
    @media (max-width: 640px) { .nb-difs-grid { grid-template-columns: 1fr; } }
    .nb-dif-card {
      background: var(--bg-dark); border: 1px solid rgba(255,255,255,.07);
      border-radius: var(--radius); padding: 28px 24px; transition: border-color .25s;
    }
    .nb-dif-card:hover { border-color: var(--bio-border); }
    .nb-dif-icon {
      width: 36px; height: 36px; background: var(--bio-dim); border-radius: 8px;
      display: flex; align-items: center; justify-content: center; margin-bottom: 16px; color: var(--bio);
    }
    .nb-dif-icon svg { width: 18px; height: 18px; }
    .nb-dif-card h3 { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600; color: var(--white); margin-bottom: 8px; }
    .nb-dif-card p { font-size: .85rem; color: rgba(255,255,255,.5); line-height: 1.65; }
    .nb-ficha { padding: var(--section-py) 0; background: var(--bg-dark); }
    .nb-ficha-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
    @media (max-width: 860px) { .nb-ficha-inner { grid-template-columns: 1fr; gap: 40px; } }
    .nb-specs-list { display: flex; flex-direction: column; border: 1px solid rgba(14,184,173,.15); border-radius: var(--radius); overflow: hidden; }
    .nb-spec-row { display: grid; grid-template-columns: 160px 1fr; border-bottom: 1px solid rgba(14,184,173,.08); }
    .nb-spec-row:last-child { border-bottom: none; }
    .nb-spec-label { padding: 14px 18px; font-size: .75rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--bio); background: var(--bio-dim); border-right: 1px solid rgba(14,184,173,.08); }
    .nb-spec-value { padding: 14px 18px; font-size: .88rem; color: rgba(255,255,255,.75); line-height: 1.5; }
    .nb-cta { padding: 90px 0; background: var(--bg-alt); text-align: center; }
    .nb-cta h2 { font-family: var(--font-serif); font-size: clamp(2rem, 5vw, 3rem); font-weight: 500; color: var(--text); margin-bottom: 14px; }
    .nb-cta p { font-size: 1rem; color: var(--text-muted); margin-bottom: 40px; }
    .nb-cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
    /* override btn-primary color para teal */
    .hero-nb .btn-primary,
    .nb-cta .btn-primary { background: var(--bio); color: #fff; }
    .hero-nb .btn-primary:hover,
    .nb-cta .btn-primary:hover { background: #0DA099; }