:root{
      --background: hsl(300, 3%, 7%);
      --foreground: hsl(240, 7%, 97%);
      --primary: #EB178E;
      --secondary: #20CCF1;
      --muted: hsl(180, 2%, 10%);
  }

  body {
      font-family: "Inter", sans-serif;
      background-color: var(--foreground);
      color: var(--foreground);
  }

html {
  scroll-behavior: smooth;
}

  .scroll-margin{
    padding-top: 15vh; /* TO AVOID NAVBAR OVERFLOW. ALL SECTIONS MUST HAVE IT */
  }


  .navbar {
      background-color: var(--foreground);
      box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  }

  .navbar .navbar-brand,
  .navbar .nav-link {
      color: var(--background);
  }

  .navbar .nav-link:hover {
      color: var(--primary);
  }

  .btn-custom {
      background-color: var(--primary) !important;
      color: var(--foreground);
      border: none;
      font-weight: 600; /* fw-semibold */
  }

  .btn-custom:hover {
      background-color: var(--secondary) !important;
      color: var(--foreground);
  }
  .btn-form {
      background-color: var(--secondary) !important;
      color: var(--foreground);
      border: none;
  }
  .btn-form:hover {
    filter: brightness(85%);
    color: white !important;
  }

  /* Card styles */
  .card {
    transition: transform 0.3s ease; /* smooth transition */
  }

  .card:hover:not(.no-hover) {
    transform: scale(1.05); /* increase size 5% */
  }

  /* Footer styles */
  footer {
    background-image: linear-gradient(
    to right,
    /* Gradient from left to right */
    rgba(255, 255, 255, 0.9) 0%,        
    rgba(235, 23, 142, 0.05) 10%,     
    #EB178E 100%                       
    );

  
    color: var(--foreground);
    padding: 20px 40px;
  }

  .footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .footer-left .footer-link {
    display: inline-block;
    background-color: var(--muted);
    color: var(--foreground);
    margin-right: 20px;
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease;
  }

  .footer-left .footer-link:hover {
    background-color: var(--secondary);
    color: var(--background);
  }

  .footer-right a {
    padding: 0;
    border-radius: 0;
    margin-left: 1px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }


  .footer-right .footer-icon {
    font-size: 1.5rem;
    color: var(--foreground);
    transition: color 0.3s ease;
  }

  .footer-right a:hover .footer-icon {
    color: var(--secondary);
  }
  .footer-link-text {
    font-size: 0.7em;
    color: var(--foreground);
    text-decoration: none;
    transition: color 0.3s ease;
  }

  .footer-link-text:hover {
    color: var(--secondary);
  }

  /* Button styling */
  .form-btn {
    background-color: var(--primary);
    border-color: var(--primary);
    color: rgb(255, 255, 255);
  }

  .form-btn:hover {
    background-color: var(--secondary);
    border-color: var(--secondary);
    color: rgb(255, 255, 255);

  }

  .event-btn-container{
    display: flex;
    justify-content: center;
    margin-top: 20px;
    margin-bottom: 20px;
    gap: 10px;
  }

  .event-btn{
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
  }

  .event-btn:hover {
    background-color: var(--secondary);
    border-color: var(--secondary);
    color: white;
  }

  .event-filter-btn.active {
    background-color: var(--secondary);
    border-color: var(--secondary);
    color: white;
    transform: scale(1.15);
  }

  .event-filter-btn {
    display: inline-block;
    transition: 
      transform 0.2s ease,
      background-color 0.2s ease,
      border-color 0.2s ease,
      color 0.2s ease;
    will-change: transform, background-color, border-color;
  }

  /*Language button styling*/
  .btn-custom.dropdown-toggle.show {
    background-color:var(--secondary);
    color: white;
  }

  /* Event button styling */
  .bg-aisc-event {
    background-color: #20CCF1;
    color: white;
  }

  /* Team cards */
  .team-box {
    transition: transform 0.3s ease; /* smooth transition */
  }

  .team-box:hover:not(.no-hover) {
    transform: scale(1.05); /* increase size 5% */
  }

  /* Saber más card */
  .card-body.position-relative {
    position: relative;
  }

  .card-more-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background-color: var(--primary);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: background-color 0.3s ease;
    pointer-events: none;
  }

  .card:hover .card-more-badge {
    background-color: var(--secondary);
  }

  form label {
      color: black;
  }
  /* About us */
  .story-block {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 3rem;
  }
  .story-block.reverse {
    flex-direction: row-reverse;
  }
  .story-block p {
  color:black;
  }
  .story-block h3 {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 1rem;
  }
  .story-block h5 {
  color: black;
  font-weight: 600;
  margin-bottom: 1rem;
  }
  .story-block a {
    text-decoration: none;
    color:var(--primary);
  }
  .story-block a:hover {
    color: var(--secondary);
  }

  .story-content {
    flex: 1;
    min-width: 260px;
    margin-right: 2rem;
  }

  .story-image {
    flex: 1;
    min-width: 260px;
  }

  .story-image img {
    width: 100%;       
    max-width: 500px; 
    height: auto;     
    display: block;
    margin: 0 auto;  
  }

  .role-card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 16px;
  padding: 1.25rem 1.25rem 1rem;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.role-card h5 { color: var(--muted); font-weight: 700; }
.role-card ul { padding-left: 1.1rem; color: #555; }
.role-card .btn { background-color: var(--primary); border-color: var(--primary); }
.role-card .btn:hover { background-color: var(--secondary); border-color: var(--secondary); }

.role-icon-pink {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(235,23,142,.15), rgba(32,204,241,.15));
  color: var(--primary); font-size: 1.25rem;
}

.role-icon-blue {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(235,23,142,.15), rgba(32,204,241,.15));
  color: var(--secondary); font-size: 1.25rem;
}

.values-tabs-section ul.nav-pills .nav-link {
  text-align: left;
  font-weight: 600;
  color: black;
  transition: color 0.3s ease, background-color 0.3s ease;
}

.values-tabs-section ul.nav-pills .nav-link.active {
  background-color: var(--primary);
  color: var(--foreground);
}

.values-tabs-section ul.nav-pills .nav-link:not(.active):hover {
  color: var(--primary);
  cursor: pointer;
}

.values-tabs-section .tab-pane img {
  max-height: 300px;
  object-fit: cover;
}

.values-tabs-section .tab-content p {
  font-size: 1.1rem;
  color: black;
  transition: color 0.2s ease;
}


/* Project styling */
.project-btn-container{
  display: flex;
  justify-content: center;
  margin-top: 20px;
  margin-bottom: 20px;
  gap: 10px;
}

.project-btn{
  background-color: var(--primary);
  border-color: var(--primary);
  color: white;
}

.project-btn:hover {
  background-color: var(--secondary);
  border-color: var(--secondary);
  color: white;
}

.project-filter-btn.active {
  background-color: var(--secondary);
  border-color: var(--secondary);
  color: white;
  transform: scale(1.15);
}

.project-filter-btn {
  display: inline-block;
  transition: 
    transform 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
  will-change: transform, background-color, border-color;
}

/* Project button styling */
.bg-aisc-project {
  background-color: #20CCF1;
  color: white;
}

/* Horizontal card tweaks */
.horizontal-card {
    height: 350px !important; 

    overflow: hidden;
}
.horizontal-card .row {
    height: 100%;
}

.horizontal-card .img-side {
    height: 100%;
}

.horizontal-card .img-side img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    display: block;
    border-top-right-radius: var(--bs-card-inner-border-radius);
    border-bottom-right-radius: var(--bs-card-inner-border-radius);
    /* border-radius: 0 .5rem .5rem 0; */
}

/* If your Bootstrap doesn't expose the CSS var above, fallback: */
.horizontal-card .img-side img { 
  border-radius: 0 .5rem .5rem 0; 
}

.category-badge {
  display: inline-block;          /* se colocan uno al lado del otro */
  padding: 0.35rem 0.75rem;       /* tamaño tipo botón */
  margin: 0.2rem;                 /* separa los botones entre sí */
  border-radius: 999px;     
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background-color: #495057;
  cursor: default;                /* no parece clicable */
  user-select: none;              /* evita seleccionar el texto */
  text-transform: capitalize;     /* primera letra en mayúscula */
  transition: transform 0.1s ease-in-out;
}

.category-badge:hover {
  transform: scale(1.05);         /* ligera animación al pasar el ratón */
}

/* 🎨 Colores distintos según la categoría */
.category-ai        { background-color: #0d47a1; } /* azul oscuro */
.category-climate   { background-color: #2e7d32; } /* verde */
.category-health    { background-color: #d32f2f; } /* rojo */
.category-education { background-color: #f9a825; } /* amarillo */
.category-vision    { background-color: #0288d1; } /* azul claro */
.category-nlp       { background-color: #6a1b9a; } /* morado */
.category-robotics  { background-color: #00897b; } /* turquesa */
.category-ethics    { background-color: #5d4037; } /* marrón */

/* color por defecto si no coincide con ninguno */
.category-badge:not([class*="category-"]) {
  background-color: #757575; /* gris */
}