/* =========================
   TRAINING PAGE
========================= */

body:has(.training-hero) .hero-wrapper{
  min-height: 0;
}

/* =========================
   HERO BG
========================= */

.hero-bg.hero-bg--training{
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-bg.hero-bg--training::after{
  content:"";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30px;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0%,
    rgba(0,0,0,0.65) 55%,
    #000 100%
  );
  pointer-events: none;
}

.hero-bg.hero-bg--training img{
  width: 100%;
  max-height: 100vh;
  object-fit: cover;
}

.site-header,
.training-hero{
  position: relative;
}

/* =========================
   HERO
========================= */

.training-hero{
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.training-title{
  font-family: var(--font-heading);
  font-size: 60px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #fff;
  text-align: center;
}

/* =========================
   LAYOUT
========================= */

.training-inner{
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  padding-bottom: 80px;
}

/* =========================
   SIDEBAR
========================= */

.training-sidebar-title{
  font-family: var(--font-heading);
  font-size: 30px;
  margin-bottom: 24px;
  color: #fff;
}

/* category card */
.training-category{
  background: #0f0f0f;
  border-radius: 10px;
  margin-bottom: 16px;
  overflow: hidden;
}

/* toggle */
.training-category-toggle{
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 14px;
  color: #A4A4A4;
}

.training-category.is-open > .training-category-toggle{
  color: #fff;
}

.training-category-toggle .title{
  text-align: left;
  text-transform: uppercase;
  color: inherit;
}

/* arrow */
.training-category-toggle .arrow{
  width: 14px;
  height: 14px;
  transition: transform .3s ease, filter .3s ease;
  filter: brightness(0.6);
}

.training-category.is-open .arrow{
  transform: rotate(180deg);
  filter: brightness(2);
}

/* courses list (inside opened category) */
.training-courses{
  list-style: disc;
  list-style-position: outside;
  margin: 0;
  padding: 0 20px 16px 34px;
  display: none;
}

.training-category.is-open .training-courses{
  display: block;
}

.training-courses > li{
  color: #A4A4A4;
  margin: 6px 0;
}

.training-courses > li::marker{
  color: currentColor;
  font-size: 16px;
}

/* course button */
.training-course{
  width: 100%;
  background: none;
  border: 0;
  padding: 0;
  text-align: left;
  cursor: pointer;
  font-size: 16px;
  color: #9a9a9a;
}

.training-course.is-active{
  color: #fff;
}

.training-courses > li:has(.training-course.is-active){
  color: #fff;
}

/* =========================
   RIGHT CONTENT
========================= */

.training-course-content{
  display: none;
}

.training-course-content.is-active{
  display: block;
}

.training-course-content h3{
  font-family: var(--font-heading);
  font-size: 20px;
  margin-bottom: 30px;
  color: #fff;
}

.training-text{
  font-size: 15px;
  line-height: 1.7;
  color: #ccc;
  margin-bottom: 40px;
}

.training-video{
  max-width: 620px;
}

.video-ratio{
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: 10px;
  overflow: hidden;
}

.video-ratio iframe{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 1200px){
  .training-inner{
    grid-template-columns: 300px 1fr;
    gap: 48px;
    padding-bottom: 60px;
  }

  .training-title{ font-size: 52px; }
  .training-sidebar-title{ font-size: 26px; }
}

@media (max-width: 992px){
  .training-hero{
    min-height: 42vh;
    margin-bottom: 40px;
  }

  .training-title{ font-size: 44px; }

  .training-inner{
    grid-template-columns: 280px 1fr;
    gap: 32px;
    padding-bottom: 40px;
  }

  .training-category-toggle{
    padding: 16px 16px;
    font-size: 13px;
  }

  .training-courses{
    padding: 0 16px 14px 30px;
  }

  .training-course-content h3{
    font-size: 18px;
    margin-bottom: 22px;
  }

  .training-text{
    font-size: 14px;
    margin-bottom: 28px;
  }

  .training-video{
    max-width: 100%;
  }
}

@media (max-width: 768px){

  .hero-wrapper{ position: relative; }

  .hero-bg.hero-bg--training{
    inset: 0;
    z-index: 0;
  }

  .hero-bg.hero-bg--training img{
    width: 100%;
    height: 100%;
    max-height: none;
    object-fit: cover;
  }

  .site-header,
  .training-hero{
    position: relative;
  }
  
  .training-hero{
    min-height: 36vh;
    margin-bottom: 28px;
  }

  .training-title{
    font-size: 34px;
    line-height: 1.1;
  }

  .training-inner{
    grid-template-columns: 1fr;
    gap: 26px;
    padding-bottom: 40px;
  }

  .training-sidebar-title{
    font-size: 22px;
    margin-bottom: 16px;
  }

  .training-category{
    margin-bottom: 12px;
  }

  .training-category-toggle{
    padding: 14px 14px;
  }

  .training-courses{
    padding: 0 14px 12px 30px;
  }

  .training-course{
    padding: 10px 0;
    font-size: 14px;
  }

  .training-course-content h3{
    font-size: 18px;
    margin-bottom: 18px;
  }

  .training-text{
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 22px;
  }
}

@media (max-width: 420px){
  .training-title{ font-size: 30px; }
  .training-category-toggle{ font-size: 12px; }
  .training-course-content h3{ font-size: 17px; }
}