/* ============================================================
   Bikiak Categorías (Scroll Driven Tabs Section)
   ============================================================ */

.bikiak-cats-section {
  position: relative;
  width: 100%;
  background-color: #14120F;
  color: #FFFFFF;
  overflow: visible;
}

.bikiak-cats-track {
  position: relative;
  width: 100%;
}

.bikiak-cats-stage {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ------------------------------------------------------------
   Background Images & Overlay Layer
   ------------------------------------------------------------ */
.bikiak-cats-bg-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.bikiak-cats-bg-item {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 0.7s cubic-bezier(0.25, 1, 0.5, 1), transform 0.9s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: opacity, transform;
}

.bikiak-cats-bg-item.is-active {
  opacity: 1;
  transform: scale(1);
}

.bikiak-cats-bg-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.bikiak-cats-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 2;
  pointer-events: none;
}

/* ------------------------------------------------------------
   Content Container (Overlay)
   ------------------------------------------------------------ */
.bikiak-cats-container {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1600px;
  height: 100%;
  margin: 0 auto;
  padding: 80px 60px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}

/* ------------------------------------------------------------
   Left Column: Tabs Navigation List
   ------------------------------------------------------------ */
.bikiak-cats-nav {
  position: relative;
  display: flex;
  flex-direction: column;
  pointer-events: auto;
  user-select: none;
}

.bikiak-cats-nav-track {
  position: relative;
  padding-left: 28px;
}

/* Continuous Subtle Guide Line */
.bikiak-cats-nav-track::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 1px;
}

/* Dynamic Active Indicator Bar */
.bikiak-cats-nav-indicator {
  position: absolute;
  left: 0;
  top: 0;
  width: 2.5px;
  height: 48px;
  background: #FFFFFF;
  border-radius: 2px;
  transition: top 0.4s cubic-bezier(0.25, 1, 0.5, 1), height 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
}

.bikiak-cats-tab-item {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 12px 0;
  opacity: 0.35;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.bikiak-cats-tab-item:hover {
  opacity: 0.7;
}

.bikiak-cats-tab-item.is-active {
  opacity: 1;
}

:where(.bikiak-cats-tab-title) {
  font-family: inherit;
  font-size: clamp(2.4rem, 4.5vw, 4.8rem);
  font-weight: 400;
}

.bikiak-cats-tab-title {
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin: 0;
  transition: color 0.3s ease;
}

/* ------------------------------------------------------------
   Bottom Right Box: Text Description & Button
   ------------------------------------------------------------ */
.bikiak-cats-info-box {
  position: absolute;
  right: 60px;
  bottom: 80px;
  max-width: 540px;
  pointer-events: auto;
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.bikiak-cats-info-item {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 100%;
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 36px;
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition: opacity 0.5s cubic-bezier(0.25, 1, 0.5, 1), transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.bikiak-cats-info-item.is-active {
  position: relative;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

:where(.bikiak-cats-desc-text) {
  font-size: 1rem;
}

.bikiak-cats-desc-text {
  font-family: inherit;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.9);
  max-width: 320px;
  margin: 0;
  text-align: right;
}

.bikiak-cats-btn {
  display: inline-block;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #FFFFFF;
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 1.5px;
  white-space: nowrap;
  transition: color 0.3s ease, text-decoration-color 0.3s ease, transform 0.2s ease;
}

.bikiak-cats-btn:hover {
  color: #D5213A;
  text-decoration-color: #D5213A;
  transform: translateY(-1px);
}

/* ------------------------------------------------------------
   Responsive: Mobile (<= 767px)
   ------------------------------------------------------------ */
@media (max-width: 767px) {
  .bikiak-cats-container {
    padding: 90px 24px 40px 24px;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
  }

  .bikiak-cats-nav {
    width: 100%;
    margin-top: 10px;
  }

  .bikiak-cats-nav-track {
    padding-left: 20px;
  }

  .bikiak-cats-tab-item {
    padding: 8px 0;
  }

  :where(.bikiak-cats-tab-title) {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }

  .bikiak-cats-info-box {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    max-width: 100%;
    text-align: left;
    align-items: flex-start;
    margin-top: auto;
  }

  .bikiak-cats-info-item {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 16px;
  }

  .bikiak-cats-desc-text {
    text-align: left;
    max-width: 100%;
    font-size: 0.95rem;
  }

  .bikiak-cats-btn {
    align-self: flex-start;
  }
}