  :root{
    --primary:#C00000;
    --light:#F2F2F2;
    --black:#111111;
    --gray:#6c757d;
  }

  body{
    background-color: var(--light);
    color: var(--black);
    font-family: Arial, sans-serif;
  }

  .navbar{
    background-color: var(--black) !important;
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .navbar-brand{
    font-size: 1.6rem;
    font-weight: 700;
    color: white !important;
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .logo-circle{
    width: 78px;
    height: 78px;
    border-radius: 50%;
    overflow: hidden;
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--primary);
    box-shadow: 0 4px 12px rgba(0,0,0,.25);
  }

  .logo-circle img{
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .navbar .nav-link{
    color: var(--light) !important;
    font-size: 1.05rem;
    font-weight: 500;
    margin-left: 14px;
    transition: .3s;
  }

  .navbar .nav-link:hover{
    color: var(--primary) !important;
  }

  #inicio{
    background:
      linear-gradient(
        135deg,
        var(--black) 0%,
        var(--primary) 55%,
        #8b0000 100%
      );
    color: white;
  }

  #inicio h1{
    color: white;
  }

  .btn-custom{
    background-color: var(--light);
    color: var(--primary);
    border: 2px solid transparent;
    font-weight: 600;
    transition: .3s;
  }

  .btn-custom:hover{
    background-color: transparent;
    border-color: white;
    color: white;
  }

  #marcas{
    background-color: var(--light);
  }

  #nosotros{
    background-color: white;
  }

  h2{
    color: var(--black);
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
  }

  h2::after{
    content: "";
    width: 60%;
    height: 4px;
    background-color: var(--primary);
    position: absolute;
    left: 20%;
    bottom: 0;
    border-radius: 10px;
  }

  .card{
    border: none;
    border-radius: 18px;
    background-color: white;
    transition: all .3s ease;
    overflow: hidden;
  }

  .card:hover{
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,.15);
  }

  .card-body i{
    color: var(--primary) !important;
  }

  .card h5{
    color: var(--black);
    font-weight: bold;
  }

  .text-muted{
    color: var(--gray) !important;
  }
  

.check-icon {
  width: 16px !important;
  height: 16px !important;
  min-width: 16px !important;
  min-height: 16px !important;
  max-width: 16px !important;
  max-height: 16px !important;

  flex: 0 0 16px !important;
  display: block;
}

  #contacto{
    background-color: var(--black);
    color: white;
  }

  #contacto h2{
    color: white;
  }

  #contacto h2::after{
    background-color: var(--primary);
  }

  #contacto a{
    color: var(--light);
    transition: .3s;
  }

  #contacto a:hover{
    color: var(--primary);
  }

  footer{
    background-color: var(--primary);
    color: white;
  }

  img{
    transition: transform .4s ease;
  }

  img:hover{
    transform: scale(1.02);
  }