:root {
      --blue: #0A2540;
      --gray: #808080;
      --bg: #FFFFFF;
      --text: #334155;
      --white: #FFFFFF;
      --action: #22C55E;
      --action-hover: #16A34A;
      --shadow-sm: 0 2px 6px rgba(0,0,0,0.06);
      --shadow-md: 0 8px 24px rgba(10,37,64,0.12);
      --radius: 12px;
      --radius-pill: 9999px;
      --transition: 220ms ease;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: 'Plus Jakarta Sans', system-ui, -apple-system, Segoe UI, Ubuntu, 'Helvetica Neue', Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    ul { list-style: none; padding: 0; margin: 0; }

    .container { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      gap: .5rem; padding: .85rem 1.25rem; border-radius: var(--radius-pill);
      font-weight: 600; transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
      border: 1px solid transparent;
    }
    .btn:active { transform: translateY(1px); }
    .btn-green { background: var(--action); color: var(--white); }
    .btn-green:hover { background: var(--action-hover); box-shadow: var(--shadow-sm); }
    .btn-outline-white { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.7); }
    .btn-outline-white:hover { background: var(--white); color: var(--blue); }
    .btn-outline-dark { background: transparent; color: var(--blue); border-color: var(--blue); }
    .btn-outline-dark:hover { background: var(--blue); color: var(--white); }

    .section { padding: 4rem 0; opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
    .section.bg-light { background: #F5F7FA; }
    .section-title {
      font-size: clamp(1.5rem, 2.5vw, 2rem);
      text-align: center; margin-bottom: 1.25rem; font-weight: 800; color: black;
    }
    .section-subtitle {
      text-align: center; max-width: 760px; margin: 0 auto 2rem; color: #475569;
    }

    header {
      position: sticky; top: 0; z-index: 50; background: var(--white);
      box-shadow: 0 1px 0 rgba(10,37,64,0.06);
    }
    .nav { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0; }
    .logo { display: inline-flex; align-items: baseline; font-weight: 800; letter-spacing: .5px; font-size: 1.25rem; }
    .logo .emant { color: var(--blue); }
    .logo .ech { color: var(--gray); }
    .nav-actions { display: flex; align-items: center; gap: .75rem; }

    .hero {
      background: var(--blue); color: var(--white);
      min-height: 100vh; position: relative; overflow: hidden;
      display: flex; align-items: center; justify-content: center;
    }
    .hero::after {
      content: ""; position: absolute; inset: -20% -10% auto auto; height: 60%; width: 60%;
      background: radial-gradient(ellipse at center, rgba(255,255,255,0.08), transparent 60%);
      transform: rotate(12deg);
    }
	
    .hero-inner { text-align: center; position: relative; z-index: 1; }
    .hero h1 { font-size: clamp(1.8rem, 3.5vw, 3rem); margin: 0 0 1rem; font-weight: 800; }
    .hero p { font-size: clamp(1rem, 2vw, 1.25rem); margin: 0 auto 2rem; max-width: 820px; color: #E2E8F0; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; }
.bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
      filter: blur(3px);
    transform: scale(1.05);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10, 37, 64, 0.6);
  z-index: 1;
}
    /* Problema */
    .problem-layout {
      display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
    }
    @media (max-width: 768px) {
      .problem-layout {
        grid-template-columns: 1fr; gap: 1.5rem;
      }
    }
    .problem-left {
      display: flex; justify-content: center; align-items: flex-start;
    }
    .problem-image {
      max-width: 100%; height: auto; border-radius: var(--radius); display: block;
    }
    .problem-main-title {
      text-align: center; margin-bottom: 0.5rem;
    }
    .problem-main-subtitle {
      text-align: center; margin-bottom: 2rem; max-width: 800px; margin-left: auto; margin-right: auto;
    }
    .problem-right {
      display: flex; justify-content: center;
    }
    .problem-list { display: flex; flex-direction: column; gap: 3rem; counter-reset: problem-counter; }
    .problem-item {
      display: grid; grid-template-columns: auto 1fr; align-items: start; gap: .75rem;
      padding: 0; background: transparent; box-shadow: none; border-radius: 0;
      transition: transform var(--transition);
      animation: fadeInUp 0.6s ease-out forwards; opacity: 0; transform: translateY(20px);
    }
    .problem-item::before {
      content: counter(problem-counter, decimal-leading-zero) ".";
      counter-increment: problem-counter;
      font-weight: 800; color: #0A2540; font-size: 1.1rem; line-height: 1.4;
    }
    .problem-item:nth-child(1) { animation-delay: 0.1s; }
    .problem-item:nth-child(2) { animation-delay: 0.2s; }
    .problem-item:nth-child(3) { animation-delay: 0.3s; }
    .problem-item:nth-child(4) { animation-delay: 0.4s; }
    .problem-item:hover {
      transform: translateY(-2px);
    }
    .problem-text { display: flex; flex-direction: column; gap: .3rem; }
    .problem-title { font-weight: 800; color: var(--blue); line-height: 1.35; font-size: 1.05rem; }
    .problem-sub { color: #475569; font-size: .95rem; }

    @keyframes fadeInUp {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
      }
      to {
        opacity: 1;
      }
    }

    @keyframes slideUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* Clases para animaciones de scroll */
    .scroll-fade-in {
      animation: fadeIn 0.8s ease-out forwards;
      opacity: 0;
    }

    .scroll-slide-up {
      animation: slideUp 0.7s ease-out forwards;
      opacity: 0;
    }

    .section.scroll-animate {
      animation: fadeIn 0.8s ease-out forwards;
      opacity: 1;
      transform: translateY(0);
    }

    /* Solución (cards) */
    .cards { display: grid; grid-template-columns: repeat(1, 280px); gap: 3rem 3rem; margin-top: 2rem; justify-content: center; }
    @media (min-width: 560px) { .cards { grid-template-columns: repeat(2, 280px); } }
    @media (min-width: 900px) { .cards { grid-template-columns: repeat(3, 280px); } }

    .card {
      background: var(--white); border-radius: var(--radius); padding: 1.25rem;
      box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition);
      display: grid; gap: .5rem; justify-items: center;border: solid 1px #e0e0e0; max-width: 270px;
      opacity: 0;
    }

    .section.scroll-animate .card {
      animation: slideUp 0.6s ease-out forwards;
    }

    .section.scroll-animate .card:nth-child(1) { animation-delay: 0.1s; }
    .section.scroll-animate .card:nth-child(2) { animation-delay: 0.2s; }
    .section.scroll-animate .card:nth-child(3) { animation-delay: 0.3s; }
    .section.scroll-animate .card:nth-child(4) { animation-delay: 0.15s; }
    .section.scroll-animate .card:nth-child(5) { animation-delay: 0.25s; }
    .section.scroll-animate .card:nth-child(6) { animation-delay: 0.35s; }

    .card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
    .card-icon {
      height: 120px; width: 120px; border-radius: 20px; 
      display: grid; place-items: center; color: var(--blue); font-weight: 700; font-size: 7rem !important;
    }
    .card-icon i {
      font-size: 100px !important;
    }
    .card-icon-img {
      max-width: 90px;
      max-height: 90px;
      object-fit: contain;
      display: block;
    }
    .card-title { font-weight: 700; color: var(--blue); text-align: center; }
    .card-desc { color: #64748B; font-size: .95rem; text-align: center; }

    /* Proceso con círculos */
    .process {
      display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; align-items: flex-start;
      margin-top: 2rem;
    }
    .step {
      display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
      opacity: 0;
      max-width: 140px;
    }

    .section.scroll-animate .step {
      animation: slideUp 0.6s ease-out forwards;
    }

    .section.scroll-animate .step:nth-child(1) { animation-delay: 0.1s; }
    .section.scroll-animate .step:nth-child(3) { animation-delay: 0.2s; }
    .section.scroll-animate .step:nth-child(5) { animation-delay: 0.3s; }
    .section.scroll-animate .step:nth-child(7) { animation-delay: 0.4s; }
    .section.scroll-animate .step:nth-child(9) { animation-delay: 0.5s; }

    .step-icon {
      border-radius: 50%;
      width: 120px; height: 120px;
      display: flex; align-items: center; justify-content: center;
      transition: all var(--transition);
      position: relative;
      border: 3px solid transparent;
      background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
      box-shadow: 0 4px 12px rgba(10,37,64,0.08), 0 2px 4px rgba(10,37,64,0.04);
    }

    /* Colores alternados por paso */
    .step:nth-child(1) .step-icon {
      background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
      border-color: #93C5FD;
    }
    .step:nth-child(1) .step-icon i { color: #2563EB; }

    .step:nth-child(3) .step-icon {
      background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
      border-color: #86EFAC;
    }
    .step:nth-child(3) .step-icon i { color: #16A34A; }

    .step:nth-child(5) .step-icon {
      background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
      border-color: #FCD34D;
    }
    .step:nth-child(5) .step-icon i { color: #D97706; }

    .step:nth-child(7) .step-icon {
      background: linear-gradient(135deg, #FCE7F3 0%, #FBCFE8 100%);
      border-color: #F9A8D4;
    }
    .step:nth-child(7) .step-icon i { color: #DB2777; }

    .step:nth-child(9) .step-icon {
      background: linear-gradient(135deg, #EDE9FE 0%, #DDD6FE 100%);
      border-color: #C4B5FD;
    }
    .step:nth-child(9) .step-icon i { color: #7C3AED; }

    /* Iconos material */
    .step-icon i {
      font-size: 70px !important;
      transition: all var(--transition);
    }

    .step:hover .step-icon {
      transform: translateY(-6px) scale(1.05);
      box-shadow: 0 8px 24px rgba(10,37,64,0.15), 0 4px 8px rgba(10,37,64,0.08);
    }

    .step:hover .step-icon i {
      transform: scale(1.1);
    }

    .step-title {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--blue);
      text-align: center;
      margin-top: 0.25rem;
    }
    .step-desc {
      font-size: .85rem;
      color: #64748B;
      text-align: center;
      line-height: 1.4;
    }

    /* Flechas entre círculos mejoradas */
    .arrow {
      height: 120px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #CBD5E1;
      font-size: 1.5rem;
      opacity: 0.6;
    }

    /* CTA final */
    .cta {
      background: #0A2136; color: var(--white); padding: 3.5rem 0; text-align: center;
      position: relative; overflow: hidden;
    }
    .cta::before {
      content: ""; position: absolute; inset: auto -10% -30% auto; height: 80%; width: 60%;
      background: radial-gradient(ellipse at center, rgba(34,197,94,0.12), transparent 60%);
      transform: rotate(-8deg);
    }
    .cta h2 { font-size: clamp(1.4rem, 2.5vw, 2rem); margin: 0 0 1rem; }
    .cta p { color: #C7D2FE; margin: 0 0 1.25rem; }

    footer { padding: 1.25rem 0; text-align: center; color: #64748B; }

    .btn:focus-visible, a:focus-visible {
      outline: 3px solid rgba(34,197,94,0.35);
      outline-offset: 2px;
    }
	@media (max-width: 640px) {
  .process {
    flex-direction: column;
    align-items: center;
  }
  .arrow {
    display: none;
  }
}

    /* Incluye (servicio) */
    .includes { display: grid; gap: 1.25rem; grid-template-columns: repeat(1, minmax(0, 1fr)); margin-top: 2rem; }
    @media (min-width: 720px) { .includes { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
    @media (min-width: 1024px) { .includes { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

    .include-item {
      display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: center;
      background: var(--white); border: 1px solid #e5e7eb; border-radius: var(--radius);
      padding: 1rem 1.1rem; box-shadow: var(--shadow-sm);
      opacity: 0; transform: translateY(18px);
      transition: all var(--transition);
    }

    .include-icon {
      height: 52px; width: 52px; border-radius: 14px; background: #f8fafc;
      display: grid; place-items: center; color: var(--blue); font-size: 1.5rem;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
      transition: all 0.3s ease;
    }

    .include-text h3 {
      margin: 0 0 .35rem;
      font-size: 1rem;
      color: var(--blue);
      transition: color 0.3s ease;
    }
    .include-text p {
      margin: 0;
      color: #475569;
      font-size: .95rem;
      transition: color 0.3s ease;
    }

    .section.scroll-animate .include-item { animation: slideUp 0.6s ease-out forwards; }
    .section.scroll-animate .include-item:nth-child(1) { animation-delay: 0.05s; }
    .section.scroll-animate .include-item:nth-child(2) { animation-delay: 0.1s; }
    .section.scroll-animate .include-item:nth-child(3) { animation-delay: 0.15s; }
    .section.scroll-animate .include-item:nth-child(4) { animation-delay: 0.2s; }
    .section.scroll-animate .include-item:nth-child(5) { animation-delay: 0.25s; }
    .section.scroll-animate .include-item:nth-child(6) { animation-delay: 0.3s; }

    .include-item:hover {
      box-shadow: 0 12px 32px rgba(10,37,64,0.12), 0 4px 12px rgba(10,37,64,0.08);
      transform: translateY(-4px);
      border-color: cornflowerblue;
    }

    .include-item:hover .include-icon {
      background: linear-gradient(135deg, #E0E7FF 0%, #C7D2FE 100%);
      transform: scale(1.1) rotate(5deg);
      box-shadow: 0 4px 12px rgba(100, 149, 237, 0.3);
    }

    .include-item:hover .include-icon i {
      color: cornflowerblue;
    }

    .include-item:hover .include-text h3 {
      color: #5B8DEE;
    }