/*
 * Trang chủ: slider, dải banner, khối danh mục, carousel dự án,
 * video + 2 cột tin.
 */

/* ------------------------------------------------------------------ *
 * Slider
 * ------------------------------------------------------------------ */
.hl-slider { position: relative; overflow: hidden; }

.hl-slider__track {
  display: flex;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.hl-slider__track::-webkit-scrollbar { display: none; }

.hl-slider__slide {
  flex: 0 0 100%;
  scroll-snap-align: center;
}

.hl-slider__slide img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1980 / 560;
  object-fit: cover;
}

@media (max-width: 767px) {
  .hl-slider__slide img { aspect-ratio: 750 / 300; }
}

.hl-slider__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 60px;
  border: 0;
  background: rgb(0 0 0 / .3);
  color: #fff;
  font-size: 0;
  opacity: 0;
  transition: opacity var(--hl-ease);
}

.hl-slider:hover .hl-slider__nav,
.hl-slider__nav:focus-visible { opacity: 1; }

.hl-slider__nav::before {
  content: "";
  display: block;
  width: 12px;
  height: 12px;
  margin: 0 auto;
  border-top: 3px solid #fff;
  border-left: 3px solid #fff;
}

.hl-slider__nav--prev { left: 0; }
.hl-slider__nav--prev::before { transform: rotate(-45deg); }
.hl-slider__nav--next { right: 0; }
.hl-slider__nav--next::before { transform: rotate(135deg); }

.hl-slider__dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: center;
}

/*
 * Chấm nhìn thấy chỉ 10px, nhưng VÙNG BẤM phải ≥24px — ngón tay không
 * nhắm được vào chấm 10px (Lighthouse: target-size).
 * Nền trong suốt nên hình thức vẫn y như bản gốc.
 */
.hl-slider__dots button {
  width: 26px;
  height: 26px;
  padding: 0;
  border: 0;
  background: transparent;
  display: grid;
  place-items: center;
}

.hl-slider__dots button::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgb(255 255 255 / .55);
}

.hl-slider__dots button[aria-selected="true"]::before { background: var(--hl-amber); }

/* ------------------------------------------------------------------ *
 * Dải 4 banner
 * ------------------------------------------------------------------ */
.hl-banners {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
  padding-block: 20px;
}

@media (min-width: 768px) {
  .hl-banners { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; }
}

.hl-banners img {
  display: block;
  width: 100%;
  aspect-ratio: 280 / 180;
  object-fit: cover;
  transition: opacity var(--hl-ease);
}

.hl-banners a:hover img { opacity: .8; }

/* ------------------------------------------------------------------ *
 * Khối sản phẩm theo danh mục
 * ------------------------------------------------------------------ */
.hl-block { margin-bottom: 30px; }

.hl-block__banner { margin-bottom: 20px; }
.hl-block__banner img { display: block; width: 100%; height: auto; }

/* ------------------------------------------------------------------ *
 * Carousel "Khách đã mua hàng"
 * ------------------------------------------------------------------ */
.hl-projects {
  padding: 30px 0 40px;
  background: var(--hl-bg-block);
}

.hl-projects .hl-container { position: relative; }

.hl-projects__title {
  margin-bottom: 20px;
  font-size: 21px;
  font-weight: 700;
  text-transform: uppercase;
  text-align: center;
  color: #555;
}

.hl-projects__title a { color: inherit; }

.hl-projects__viewport { overflow: hidden; }

.hl-projects__track {
  display: flex;
  gap: 20px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-bottom: 8px;
  scrollbar-width: none;
}

.hl-projects__track::-webkit-scrollbar { display: none; }

.hl-projects__item {
  flex: 0 0 min(70vw, 240px);
  scroll-snap-align: center;
  text-align: center;
}

.hl-projects__media {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid #fff;
  box-shadow: 0 2px 10px rgb(0 0 0 / .12);
}

.hl-projects__media img,
.hl-projects__media .hl-noimg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity var(--hl-ease);
}

.hl-projects__item a:hover .hl-projects__media img { opacity: .8; }

.hl-projects__name {
  display: block;
  padding-top: 12px;
  font-size: var(--hl-fs);
  font-weight: 700;
  line-height: 18px;
  min-height: 36px;
}

.hl-projects__scope {
  display: block;
  padding-top: 4px;
  font-size: var(--hl-fs-sm);
  color: var(--hl-muted);
  line-height: 16px;
}

.hl-projects__nav {
  position: absolute;
  top: 130px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgb(0 0 0 / .2);
  font-size: 0;
}

.hl-projects__nav::before {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  margin: 0 auto;
  border-top: 2px solid #555;
  border-left: 2px solid #555;
}

.hl-projects__nav--prev { left: -4px; }
.hl-projects__nav--prev::before { transform: rotate(-45deg); }
.hl-projects__nav--next { right: -4px; }
.hl-projects__nav--next::before { transform: rotate(135deg); }

/* Hiệu ứng 3D "coverflow" — chỉ bật ở màn rộng, JS gắn class trạng thái.
   Ở màn hẹp giữ nguyên dạng cuộn ngang, KHÔNG đổi markup. */
@media (min-width: 992px) {
  .hl-projects__track { perspective: 1000px; gap: 0; justify-content: center; }

  .hl-projects__item {
    flex: 0 0 240px;
    transition: transform .4s ease, opacity .4s ease;
  }

  .hl-projects[data-hl-carousel="ready"] .hl-projects__item { opacity: .55; transform: scale(.78); }
  .hl-projects[data-hl-carousel="ready"] .hl-projects__item.is-near { opacity: .8; transform: scale(.9); }
  .hl-projects[data-hl-carousel="ready"] .hl-projects__item.is-active { opacity: 1; transform: scale(1); z-index: 2; }
}

/* ------------------------------------------------------------------ *
 * Video nổi bật + 2 cột tin
 * ------------------------------------------------------------------ */
.hl-home-bottom {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px 40px;
  padding: 20px 0 30px;
}

@media (min-width: 768px) { .hl-home-bottom { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 992px) { .hl-home-bottom { grid-template-columns: 390px repeat(2, minmax(0, 1fr)); } }

.hl-colhead {
  height: 33px;
  margin-bottom: 20px;
  font-size: 21px;
  font-weight: normal;
  text-transform: uppercase;
  overflow: hidden;
  border-bottom: 2px solid #ebebeb;
  position: relative;
}

.hl-colhead::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100px;
  height: 2px;
  background: var(--hl-amber);
}

.hl-vidblock__list { list-style: none; }

/* Video ĐẦU hiện ảnh lớn; các video sau chỉ hiện chữ — đúng bản gốc,
   làm bằng CSS chứ không render hai kiểu markup. */
.hl-vidblock__list li + li { padding: 6px 0 6px 12px; background: url("../img/id.gif") no-repeat left 10px; }
.hl-vidblock__list li + li .hl-video__img,
.hl-vidblock__list li + li .hl-video__play { display: none; }

.hl-vidblock__list li + li .hl-video__title {
  position: static;
  background: none;
  color: var(--hl-link);
  text-align: left;
  padding: 0;
  line-height: 18px;
  white-space: normal;
}

.hl-vidblock__list li + li .hl-video:hover .hl-video__title { color: var(--hl-orange); }

.hl-vidblock__list li:first-child { margin-bottom: 15px; }

.hl-newsblock__list > * + * { margin-top: 24px; }

/* ------------------------------------------------------------------ *
 * Khối SEO cuối trang chủ
 * ------------------------------------------------------------------ */
.hl-home__seo {
  padding: 20px 0 30px;
  border-top: 1px solid var(--hl-border);
}