/* =============================================
   lab.css — lista de laboratorio
   Extraído de cocoweb.css (#activity, .lab_card, .full_background, .submenu).
   Fonts/grid/nav/footer en base.css.
   ============================================= */

/* cocoweb.js hacía opacity 0→1 en load; aquí lo ponemos visible directamente */
.section-laboratorio {
  opacity: 1;
}

#activity {
  background-color: #fff;
  display: flow-root;
}

#activity * {
  box-sizing: border-box;
}

.lab-content {
  position: relative;
  padding-top: 60px;
}


/* Submenu fijo con filtros */
.submenu {
  position: sticky;
  top: 60px;
  z-index: 1041;
  background: #fff;
  width: 100%;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 20px 4.6%;
  flex-wrap: wrap;
  justify-content: space-between;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.allfilter {
  border-right: solid 1px #ddd;
  padding-right: 12px;
  text-decoration: none;
  color: #666;
  font-family: CircularStdBold, sans-serif;
  font-size: 13px;
  white-space: nowrap;
}

.allfilter:hover,
.allfilter.active {
  color: #000;
}

.submenu .subContent {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 4.6%;
  margin: 0;
  list-style: none;
  flex-wrap: wrap;
  justify-content: space-between;
  flex: 1;
  max-width: 100%;
}

@media (min-width: 900px) {
  .submenu .subContent {
    max-width: 800px;
  }
}

.submenu .subContent li {
  float: left;
  list-style: none;
  font-size: 13px;
}

.submenu .subContent li a,
.submenu .subContent li button {
  font-size: 13px;
  cursor: pointer;
  color: #555;
  transition: color 0.2s;
  font-family: inherit;
  background: none;
  border: none;
  padding: 0;
  text-decoration: none;
  text-transform: capitalize;
}

.submenu .subContent li button.active,
.submenu .subContent li button:hover {
  color: #000;
}

.allfilter {
  text-decoration: none;
  color: #999;
  font-family: CircularStdBold, sans-serif;
  font-size: 13px;
}

.allfilter:hover,
.allfilter.active {
  color: #000;
}

/* Buscador */
.submenu .buscador {
  margin-left: auto;
  border-left: 1px solid #ddd;
  padding-left: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.submenu .buscador input {
  border: none;
  outline: none;
  box-shadow: none;
  font-size: 13px;
  font-family: CircularStdBold, sans-serif;
  color: #999;
  width: 80px;
  background: none;
}

.submenu .buscador input::placeholder {
  color: #999;
}

.submenu .buscador input:focus {
  width: 160px;
  transition: width 0.2s ease;
}

/* Grid de cards — CSS Grid */
.reticula_actividad {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
  padding: 0 1.5%;
  margin: 0 auto 100px;
}

@media (max-width: 1440px) {
  .reticula_actividad {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 991px) {
  .reticula_actividad {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .reticula_actividad {
    grid-template-columns: 1fr;
  }
}

.lab_card {
  min-width: 0;
}

/* Wrapper de cada card */
.lab_card .wrapper {
  background-color: #fff;
  min-height: 540px;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 19px 38px rgba(0, 0, 0, 0.3),
    0 15px 12px rgba(0, 0, 0, 0.2);
}

.lab_card .wrapper:hover .data {
  transform: translateY(0);
}

.lab_card .wrapper:hover .data .title {
  height: auto;
}

/* Overlay de imagen */
.lab_card .bg-button {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #fff;
  opacity: 0;
  transition: opacity 0.3s ease-out;
}

.lab_card .bg-button:hover {
  opacity: 0.1;
}

/* Panel de datos (desliza desde abajo) */
.lab_card .data {
  position: absolute;
  bottom: 0;
  width: 100%;
  transform: translateY(calc(90px + 1em));
  transition: transform 0.3s;
}

.lab_card .data .content {
  padding: 1em;
  position: relative;
  z-index: 1;
  background: rgba(0, 0, 0, 0.4);
}

/* Tags */
.lab_card .tags {
  display: flex;
}

.lab_card .author {
  font-size: 1.3rem;
  color: #fff;
  margin-right: 2rem;
  text-decoration: none;
  cursor: pointer;
}

/* Título */
.lab_card .title {
  margin-top: 25px;
  margin-bottom: 25px;
  font-size: 3.4rem;
  min-height: 7rem;
  transition: height 0.3s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lab_card .title a {
  color: #fff;
  text-decoration: none;
}

/* Subtítulo */
.lab_card .text {
  padding-top: 5px;
  height: 45px;
  margin: 0;
  color: #fff;
  overflow: hidden;
}

/* Botón "Ver más" */
.lab_card .button {
  display: block;
  width: 100px;
  margin: 2em auto 1em;
  text-align: center;
  font-size: 12px;
  color: #fff;
  line-height: 1;
  position: relative;
  font-weight: 700;
  text-decoration: none;
}

.lab_card .button::after {
  content: "\2192";
  opacity: 0;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translate(0, -50%);
  transition: all 0.3s;
}

.lab_card .button:hover::after {
  transform: translate(5px, -50%);
  opacity: 1;
}

/* Menu list helper */
.lab_card .menu-content {
  margin: 0;
  padding: 0;
  list-style-type: none;
}

.lab_card .menu-content::after,
.lab_card .menu-content::before {
  content: "";
  display: table;
}

.lab_card .menu-content::after {
  clear: both;
}

.lab_card .menu-content li {
  display: inline-block;
}

.lab_card .menu-content a {
  color: #fff;
}

/* Card oculta por filtro */
.lab_card.hidden-by-filter {
  display: none;
}

/* ---- Mobile dropdown (oculto en desktop) ---- */
.lab-mobile-filter {
  display: none;
}

@media (max-width: 768px) {
  /* Ocultar barra desktop */
  .submenu .allfilter,
  .submenu .subContent,
  .submenu .buscador {
    display: none;
  }

  /* Ocultar border del submenu (el dropdown tiene el suyo) */
  #submenu {
    border-bottom: none;
    padding: 0;
  }

  /* Mostrar dropdown */
  .lab-mobile-filter {
    display: block;
    position: relative;
    width: 100%;
    padding: 0 4.6%;
    border-bottom: 1px solid #eee;
  }

  .lab-mobile-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 12px 0;
    background: none;
    border: none;
    appearance: none;
    font-size: 14px;
    font-family: inherit;
    color: #000;
    cursor: pointer;
    outline: none;
  }

  .lab-mobile-arrow {
    transition: transform 0.2s;
    flex-shrink: 0;
    margin-left: 8px;
    color: #999;
  }

  .lab-mobile-trigger.open .lab-mobile-arrow {
    transform: rotate(180deg);
  }

  .lab-mobile-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #eee;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    z-index: 200;
    padding: 8px 0 12px;
  }

  .lab-mobile-option {
    display: block;
    width: 100%;
    text-align: left;
    padding: 9px 4.6%;
    font-size: 15px;
    color: #555;
    background: none;
    border: none;
    font-family: inherit;
    cursor: pointer;
    transition: color 0.15s;
    text-transform: capitalize;
  }

  .lab-mobile-option:hover {
    color: #000;
  }

  .lab-mobile-option.active {
    color: #000;
    font-weight: bold;
  }
}

/* Botón scroll-top */
.button-up-extern {
  position: fixed;
  width: 40px;
  height: 40px;
  z-index: 1001;
  bottom: 30px;
  right: 20px;
  display: none;
  cursor: pointer;
  opacity: 0.75;
  transition: opacity 0.2s;
}
.button-up-extern.visible {
  display: block;
}
.button-up-extern:hover {
  opacity: 1;
}
.button-up-extern img {
  width: 100%;
}