:root {
      --azul:      #0047FF;
      --azul-dark: #0030cc;
      --azul-bg:   #00112b;
      --azul-2:    #00194a;
      --naranja:   #FF6A00;
      --naranja-lt:#FF8C33;
      --gris:      #8ba8cc;
      --white:     #f4f8ff;
      --off:       #eaf0ff;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    body {
      font-family: 'DM Sans', sans-serif;
      background: var(--white);
      color: #1a2540;
      overflow-x: hidden;
    }

    h1,h2,h3,h4,h5 {
      font-family: 'Barlow Condensed', sans-serif;
      letter-spacing: .02em;
    }

    /* ── NAVBAR ── */
    .navbar {
      background: rgba(0,17,43,.97);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(0,71,255,.3);
      padding: 1rem 0;
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .navbar-brand {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800;
      font-size: 1.75rem;
      color: var(--white) !important;
      letter-spacing: .04em;
    }
    .navbar-brand span { color: var(--naranja); }
    .nav-link {
      color: rgba(244,248,255,.75) !important;
      font-size: .88rem;
      font-weight: 500;
      letter-spacing: .05em;
      text-transform: uppercase;
      transition: color .25s;
    }
    .nav-link:hover { color: var(--naranja) !important; }
    .btn-nav {
      background: var(--naranja);
      color: #fff !important;
      font-weight: 700;
      border-radius: 3px;
      padding: .45rem 1.2rem;
      font-size: .85rem;
      letter-spacing: .06em;
      text-transform: uppercase;
      transition: background .25s;
    }
    .btn-nav:hover { background: var(--naranja-lt); }

    /* ── HERO ── */
    .hero {
      min-height: 100vh;
      background: var(--azul-bg);
      position: relative;
      display: flex;
      align-items: center;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 70% 70% at 80% 50%, rgba(0,71,255,.22) 0%, transparent 65%),
        radial-gradient(ellipse 50% 60% at 10% 80%, rgba(255,106,0,.12) 0%, transparent 60%);
    }
    .hero-grid {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(0,71,255,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,71,255,.08) 1px, transparent 1px);
      background-size: 60px 60px;
    }
    .hero-badge {
      display: inline-block;
      background: rgba(0,71,255,.15);
      border: 1px solid rgba(0,71,255,.4);
      color: #6fa3ff;
      font-size: .75rem;
      letter-spacing: .12em;
      text-transform: uppercase;
      padding: .35rem 1rem;
      border-radius: 2px;
      margin-bottom: 1.5rem;
    }
    .hero h1 {
      font-size: clamp(3rem, 7vw, 6rem);
      font-weight: 800;
      line-height: .95;
      color: var(--white);
      text-transform: uppercase;
    }
    .hero h1 em {
      font-style: normal;
      color: var(--naranja);
      display: block;
    }
    .hero-sub {
      color: var(--gris);
      font-size: 1.05rem;
      line-height: 1.7;
      max-width: 460px;
      margin: 1.5rem 0 2.5rem;
    }
    .btn-primary-ct {
      background: var(--naranja);
      color: #fff;
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 1rem;
      letter-spacing: .08em;
      text-transform: uppercase;
      border: none;
      padding: .85rem 2rem;
      border-radius: 3px;
      transition: all .25s;
      text-decoration: none;
      display: inline-block;
    }
    .btn-primary-ct:hover {
      background: var(--naranja-lt);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(255,106,0,.35);
    }
    .btn-outline-ct {
      background: transparent;
      color: var(--white);
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 600;
      font-size: 1rem;
      letter-spacing: .08em;
      text-transform: uppercase;
      border: 1.5px solid rgba(244,248,255,.3);
      padding: .85rem 2rem;
      border-radius: 3px;
      transition: all .25s;
      text-decoration: none;
      display: inline-block;
    }
    .btn-outline-ct:hover {
      border-color: var(--white);
      color: var(--white);
      transform: translateY(-2px);
    }

    /* Tarjetas Hero */
    .cert-card {
      background: rgba(0,25,74,.7);
      border: 1px solid rgba(0,71,255,.2);
      border-radius: 8px;
      backdrop-filter: blur(12px);
      padding: 1.25rem 1.5rem;
      margin-bottom: .9rem;
      display: flex;
      align-items: center;
      gap: 1rem;
      transition: transform .3s, border-color .3s;
      animation: slideIn .6s ease both;
    }
    .cert-card:hover { transform: translateX(8px); border-color: rgba(255,106,0,.5); }
    .cert-card:nth-child(2) { animation-delay:.1s; margin-left:2rem; }
    .cert-card:nth-child(3) { animation-delay:.2s; }
    .cert-card:nth-child(4) { animation-delay:.3s; margin-left:2rem; }
    .cert-card:nth-child(5) { animation-delay:.4s; }
    @keyframes slideIn {
      from { opacity:0; transform:translateX(40px); }
      to   { opacity:1; transform:translateX(0); }
    }
    .cert-icon {
      width: 44px; height: 44px;
      background: rgba(255,106,0,.15);
      border-radius: 6px;
      display: flex; align-items: center; justify-content: center;
      color: var(--naranja);
      font-size: 1.25rem;
      flex-shrink: 0;
    }
    .cert-card h6 { color: var(--white); font-size:.85rem; font-weight:600; margin:0 0 .1rem; }
    .cert-card p  { color: var(--gris);  font-size:.75rem; margin:0; }

    /* ── STATS ── */
    .stats-bar {
      background: var(--azul-2);
      border-top: 1px solid rgba(0,71,255,.4);
      border-bottom: 1px solid rgba(0,71,255,.4);
      padding: 2rem 0;
    }
    .stat-num {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--naranja);
      line-height: 1;
      text-align: center;
    }
    .stat-label {
      font-size: .78rem;
      text-transform: uppercase;
      letter-spacing: .08em;
      color: var(--gris);
      margin-top: .25rem;
      text-align: center;
    }

    /* ── SECTION HEADERS ── */
    .section-label {
      font-size: .72rem;
      letter-spacing: .15em;
      text-transform: uppercase;
      color: var(--azul);
      font-weight: 600;
      margin-bottom: .6rem;
    }
    .section-title {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 800;
      text-transform: uppercase;
      line-height: 1.05;
      color: #1a2540;
    }
    .section-title.light { color: var(--white); }
    .title-line {
      width: 48px; height: 3px;
      background: var(--naranja);
      margin: 1rem 0 1.5rem;
    }

    /* ── SERVICIOS ── */
    .services { padding: 6rem 0; background: var(--white); }
    .service-card {
      background: #fff;
      border: 1px solid #dce8ff;
      border-radius: 8px;
      padding: 2rem;
      height: 100%;
      transition: all .3s;
      position: relative;
      overflow: hidden;
    }
    .service-card::after {
      content: '';
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 3px;
      background: var(--naranja);
      transform: scaleX(0);
      transition: transform .3s;
    }
    .service-card:hover { box-shadow: 0 12px 40px rgba(0,71,255,.1); transform: translateY(-4px); }
    .service-card:hover::after { transform: scaleX(1); }
    .service-num {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 3.5rem;
      font-weight: 800;
      color: var(--off);
      line-height: 1;
      position: absolute;
      top: 1rem; right: 1.5rem;
    }
    .service-ico {
      width: 52px; height: 52px;
      background: rgba(0,71,255,.08);
      border-radius: 8px;
      display: flex; align-items: center; justify-content: center;
      color: var(--azul);
      font-size: 1.5rem;
      margin-bottom: 1.25rem;
    }
    .service-card h4 {
      font-size: 1.2rem;
      font-weight: 700;
      text-transform: uppercase;
      color: #1a2540;
      margin-bottom: .75rem;
    }
    .service-card p { font-size:.88rem; color:#5a6a7e; line-height:1.7; margin:0; }

    /* ── NORMAS ── */
    .normas {
      background: var(--azul-bg);
      padding: 6rem 0;
      position: relative;
      overflow: hidden;
    }
    .normas::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(0,71,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,71,255,.06) 1px, transparent 1px);
      background-size: 50px 50px;
    }
    .norma-badge {
      display: inline-flex;
      align-items: center;
      gap: .75rem;
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(0,71,255,.2);
      border-radius: 6px;
      padding: 1rem 1.5rem;
      transition: all .3s;
    }
    .norma-badge:hover {
      background: rgba(255,106,0,.08);
      border-color: rgba(255,106,0,.4);
      transform: scale(1.03);
    }
    .norma-badge .iso {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--naranja);
    }
    .norma-badge .name { font-size:.78rem; color:var(--gris); line-height:1.3; }

    /* ── PROCESO ── */
    .proceso { padding: 6rem 0; background: var(--off); }
    .step { display: flex; gap: 1.5rem; margin-bottom: 2.5rem; }
    .step-num {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 3.5rem;
      font-weight: 800;
      color: rgba(0,71,255,.15);
      line-height: 1;
      flex-shrink: 0;
      width: 60px;
      text-align: right;
    }
    .step-body h5 {
      font-size: 1.1rem;
      font-weight: 700;
      text-transform: uppercase;
      color: #1a2540;
      margin-bottom: .35rem;
    }
    .step-body p { font-size:.87rem; color:#5a6a7e; line-height:1.7; margin:0; }
    .proceso-visual {
      background: var(--azul-2);
      border-radius: 10px;
      padding: 2.5rem;
      border: 1px solid rgba(0,71,255,.2);
    }
    .pv-item {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 1rem 0;
      border-bottom: 1px solid rgba(255,255,255,.06);
    }
    .pv-item:last-child { border-bottom: none; }
    .pv-dot {
      width: 34px; height: 34px;
      background: rgba(255,106,0,.15);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      color: var(--naranja);
      font-size: .9rem;
      flex-shrink: 0;
    }
    .pv-item span { color: var(--gris); font-size:.88rem; }
    .pv-item b { color: var(--white); font-weight: 500; }

    /* ── WHY ── */
    .why { padding: 6rem 0; background: var(--white); }
    .why-card {
      padding: 2rem;
      border-left: 3px solid transparent;
      transition: all .3s;
      border-radius: 0 6px 6px 0;
    }
    .why-card:hover { border-left-color: var(--naranja); background: rgba(255,106,0,.04); }
    .why-card i { font-size:1.75rem; color:var(--azul); margin-bottom:1rem; display:block; }
    .why-card h5 { font-size:1.05rem; font-weight:700; text-transform:uppercase; color:#1a2540; margin-bottom:.5rem; }
    .why-card p  { font-size:.87rem; color:#5a6a7e; line-height:1.7; margin:0; }

    /* ── CONTACTO ── */
    .contacto {
      background: var(--azul-2);
      padding: 6rem 0;
      position: relative;
    }
    .contacto::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 60% 80% at 100% 50%, rgba(0,71,255,.15) 0%, transparent 65%);
    }
    .contact-form {
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(0,71,255,.2);
      border-radius: 10px;
      padding: 2.5rem;
    }
    .contact-form .form-control,
    .contact-form .form-select {
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(0,71,255,.25);
      color: var(--white);
      border-radius: 4px;
      padding: .75rem 1rem;
      font-size: .9rem;
    }
    .contact-form .form-select option { background: var(--azul-bg); color: var(--white); }
    .contact-form .form-control::placeholder { color: rgba(139,168,204,.6); }
    .contact-form .form-control:focus,
    .contact-form .form-select:focus {
      background: rgba(255,255,255,.08);
      border-color: var(--naranja);
      box-shadow: 0 0 0 3px rgba(255,106,0,.15);
      color: var(--white);
    }
    .contact-form .form-label {
      color: var(--gris);
      font-size: .78rem;
      letter-spacing: .08em;
      text-transform: uppercase;
      margin-bottom: .4rem;
    }
    .contact-info-item {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
      margin-bottom: 1.75rem;
    }
    .ci-icon {
      width: 42px; height: 42px;
      background: rgba(0,71,255,.12);
      border-radius: 6px;
      display: flex; align-items: center; justify-content: center;
      color: var(--azul);
      font-size: 1.1rem;
      flex-shrink: 0;
    }
    .ci-label { font-size:.72rem; text-transform:uppercase; letter-spacing:.1em; color:var(--gris); }
    .ci-val   { color:var(--white); font-size:.9rem; margin-top:.2rem; }

    /* ── FOOTER ── */
    footer {
      background: var(--azul-bg);
      border-top: 1px solid rgba(0,71,255,.25);
      padding: 2rem 0;
      color: var(--gris);
      font-size: .82rem;
    }
    footer .brand {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800;
      font-size: 1.4rem;
      color: var(--white);
    }
    footer .brand span { color: var(--naranja); }

    /* ── WHATSAPP FLOTANTE ── */
    .whatsapp-btn {
      position: fixed;
      bottom: 28px;
      right: 28px;
      z-index: 9999;
      width: 60px;
      height: 60px;
      background: #25D366;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      box-shadow: 0 4px 20px rgba(37,211,102,.45);
      transition: transform .3s, box-shadow .3s;
      animation: pulseWA 2s infinite;
    }
    .whatsapp-btn:hover {
      transform: scale(1.1);
      box-shadow: 0 6px 28px rgba(37,211,102,.6);
    }
    .whatsapp-btn i { font-size: 1.9rem; color: #fff; }
    @keyframes pulseWA {
      0%,100% { box-shadow: 0 4px 20px rgba(37,211,102,.45); }
      50%      { box-shadow: 0 4px 32px rgba(37,211,102,.75); }
    }
    .whatsapp-tooltip {
      position: fixed;
      bottom: 38px;
      right: 100px;
      background: #fff;
      color: #1a2540;
      font-size: .82rem;
      font-weight: 600;
      padding: .5rem 1rem;
      border-radius: 20px;
      box-shadow: 0 4px 16px rgba(0,0,0,.15);
      white-space: nowrap;
      z-index: 9998;
      opacity: 0;
      transform: translateX(10px);
      transition: all .3s;
      pointer-events: none;
    }
    .whatsapp-btn:hover + .whatsapp-tooltip,
    .whatsapp-tooltip:hover {
      opacity: 1;
      transform: translateX(0);
    }

    /* ── ANIMACIONES ── */
    .fade-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .fade-up.visible { opacity:1; transform:translateY(0); }

    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: var(--azul-bg); }
    ::-webkit-scrollbar-thumb { background: var(--azul); border-radius: 3px; }
    /* ── RESPONSIVE MÓVIL ── */
@media (max-width: 768px) {
  .whatsapp-tooltip {
    display: none !important;
  }
  .hero h1 {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
  }
  .cert-card:nth-child(2),
  .cert-card:nth-child(4) {
    margin-left: 0;
  }

}