/* Product detail */
.eup-product-single-section {
  width: 100%;
}

.eup-product-single-shell {
  width: min(100%, var(--eup-shell)) !important;
  max-width: var(--eup-shell) !important;
  margin-inline: auto !important;
  padding-inline: 24px !important;
}

.eup-product-detail {
  width: 100%;
  color: var(--eup-text);
  font-size: var(--eup-font-base);
  font-weight: 400;
}

.eup-product-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(48px, 6vw, 96px);
  align-items: start;
  padding-block: clamp(32px, 4vw, 56px) clamp(64px, 7vw, 104px);
}

/* Gallery */
.eup-product-gallery {
  min-width: 0;
}

.eup-product-gallery__viewport {
  position: relative;
  width: 100%;
  min-height: 520px;
  overflow: hidden;
  background: var(--eup-white);
  touch-action: pan-y;
}

.eup-product-gallery__track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.42s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: transform;
}

.eup-product-gallery__slide {
  display: flex;
  flex: 0 0 100%;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 520px;
  padding: clamp(18px, 3vw, 42px);
  opacity: 0.5;
  transition: opacity 0.28s ease;
}

.eup-product-gallery__slide.is-active {
  opacity: 1;
}

.eup-product-gallery__image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 590px;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
}

.eup-product-gallery__nav {
  position: absolute;
  top: 50%;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--eup-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  color: var(--eup-gray-dark);
  box-shadow: 0 5px 18px rgba(24, 50, 35, 0.08);
  cursor: pointer;
  transform: translateY(-50%);
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease,
    opacity 0.2s ease;
}

.eup-product-gallery__nav:hover {
  border-color: var(--eup-green);
  color: var(--eup-green-dark);
  background: var(--eup-white);
}

.eup-product-gallery__nav span {
  display: block;
  margin-top: -2px;
  font-size: 30px;
  font-weight: 300;
  line-height: 1;
}

.eup-product-gallery__nav--prev {
  left: 12px;
}

.eup-product-gallery__nav--next {
  right: 12px;
}

.eup-product-gallery__thumbs {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  padding: 2px 1px 5px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
}

.eup-product-gallery__thumb {
  flex: 0 0 74px;
  width: 74px;
  height: 74px;
  padding: 5px;
  overflow: hidden;
  border: 1px solid var(--eup-border);
  border-radius: 6px;
  background: var(--eup-white);
  cursor: pointer;
  scroll-snap-align: start;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    opacity 0.2s ease;
}

.eup-product-gallery__thumb:hover,
.eup-product-gallery__thumb.is-active {
  border-color: var(--eup-green);
  box-shadow: 0 0 0 1px var(--eup-green);
}

.eup-product-gallery__thumb:not(.is-active) {
  opacity: 0.72;
}

.eup-product-gallery__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.eup-product-gallery__empty {
  display: grid;
  place-items: center;
  min-height: 420px;
  border: 1px dashed var(--eup-border);
  color: var(--eup-gray);
  background: #fafcfb;
}

/* Product information */
.eup-product-info {
  min-width: 0;
  padding-top: 4px;
}

.eup-product-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
  color: var(--eup-gray);
  font-size: var(--eup-font-small);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.eup-product-breadcrumb a,
.eup-product-breadcrumb span {
  color: inherit;
}

.eup-product-breadcrumb a:hover {
  color: var(--eup-green);
}

.eup-product-title {
  margin: 0 0 14px;
  color: var(--eup-green-dark);
  font-size: clamp(36px, 3.35vw, 50px);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -0.025em;
}

.eup-product-taxonomies {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-bottom: 24px;
}

.eup-product-taxonomies a {
  color: var(--eup-gray);
  font-size: var(--eup-font-base);
  font-weight: 500;
  line-height: 1.4;
}

.eup-product-taxonomies a:hover {
  color: var(--eup-green);
}

.eup-product-subtitle {
  margin-bottom: 18px;
  color: #202820;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.45;
}

.eup-product-intro {
  margin-bottom: 28px;
  color: var(--eup-text);
}

.eup-product-intro p {
  margin: 0 0 10px;
  font-size: var(--eup-font-base);
  line-height: 1.7;
}

.eup-product-intro p:last-child {
  margin-bottom: 0;
}

.eup-product-specs {
  display: grid;
  gap: 0;
  margin: 0 0 34px;
}

.eup-product-spec {
  display: grid;
  grid-template-columns: minmax(150px, 30%) minmax(0, 70%);
  gap: 18px;
  padding-block: 8px;
}

.eup-product-spec dt,
.eup-product-spec dd {
  margin: 0;
  font-size: var(--eup-font-base);
  line-height: 1.55;
}

.eup-product-spec dt {
  color: #27342d;
  font-weight: 600;
}

.eup-product-spec dd {
  color: var(--eup-gray-dark);
  font-weight: 400;
}

.eup-product-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  min-height: 54px;
  padding: 12px 30px;
  border: 1px solid var(--eup-green);
  border-radius: 999px;
  color: var(--eup-green-dark);
  background: transparent;
  font-size: var(--eup-font-base);
  font-weight: 500;
  line-height: 1;
  text-transform: uppercase;
  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.eup-product-contact:hover {
  border-color: var(--eup-green);
  color: var(--eup-white);
  background: var(--eup-green);
  transform: translateY(-1px);
}

/* Usage */
.eup-product-usage {
  display: grid;
  grid-template-columns: minmax(250px, 32%) minmax(0, 68%);
  gap: clamp(40px, 6vw, 88px);
  padding-block: clamp(38px, 5vw, 70px) clamp(64px, 7vw, 100px);
  border-top: 1px solid var(--eup-border);
}

.eup-product-usage__heading h2 {
  margin: 0;
  color: #1f2a24;
  font-size: clamp(30px, 2.8vw, 42px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.eup-product-accordion {
  min-width: 0;
  border-top: 1px solid var(--eup-border);
}

.eup-product-accordion__item {
  border-bottom: 1px solid var(--eup-border);
}

.eup-product-accordion__toggle {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px;
  gap: 20px;
  align-items: center;
  width: 100%;
  padding: 18px 0;
  border: 0;
  background: transparent;
  color: var(--eup-gray-dark);
  text-align: left;
  cursor: pointer;
}

.eup-product-accordion__toggle:hover,
.eup-product-accordion__toggle[aria-expanded="true"] {
  color: var(--eup-green-dark);
}

.eup-product-accordion__title {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.5;
}

.eup-product-accordion__icon {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
  justify-self: end;
}

.eup-product-accordion__icon::before,
.eup-product-accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 1.5px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition:
    transform 0.28s ease,
    opacity 0.22s ease;
}

.eup-product-accordion__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.eup-product-accordion__toggle[aria-expanded="true"]
  .eup-product-accordion__icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0);
}

.eup-product-accordion__content {
  display: grid;
  grid-template-rows: 0fr;
  color: var(--eup-text);
  font-size: var(--eup-font-base);
  line-height: 1.7;
  opacity: 0;
  transition:
    grid-template-rows 0.38s cubic-bezier(0.22, 0.61, 0.36, 1),
    opacity 0.25s ease;
}

.eup-product-accordion__toggle[aria-expanded="true"]
  + .eup-product-accordion__content {
  grid-template-rows: 1fr;
  opacity: 1;
}

.eup-product-accordion__content-inner {
  min-height: 0;
  overflow: hidden;
  padding: 0 44px 0 0;
  transition: padding-bottom 0.38s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.eup-product-accordion__toggle[aria-expanded="true"]
  + .eup-product-accordion__content
  .eup-product-accordion__content-inner {
  padding-bottom: 24px;
}

/* Nội dung hướng dẫn dùng chung màu chữ, không nhận màu riêng từ heading/link/editor. */
.eup-product-accordion__content,
.eup-product-accordion__content * {
  color: inherit !important;
}

.eup-product-accordion__content-inner > :first-child {
  margin-top: 0;
}

.eup-product-accordion__content-inner > :last-child {
  margin-bottom: 0;
}

.eup-product-accordion__content p,
.eup-product-accordion__content ul,
.eup-product-accordion__content ol {
  margin-top: 0;
  margin-bottom: 14px;
}

.eup-product-accordion__content h2,
.eup-product-accordion__content h3,
.eup-product-accordion__content h4,
.eup-product-accordion__content h5,
.eup-product-accordion__content h6 {
  margin: 22px 0 10px;
  font-weight: 600;
  line-height: 1.3;
}

.eup-product-accordion__content h2 {
  font-size: 26px;
}
.eup-product-accordion__content h3 {
  font-size: 23px;
}
.eup-product-accordion__content h4 {
  font-size: 20px;
}
.eup-product-accordion__content h5 {
  font-size: 18px;
}
.eup-product-accordion__content h6 {
  font-size: 16px;
}

@media (max-width: 1100px) {
  .eup-product-hero {
    gap: 48px;
  }

  .eup-product-gallery__viewport,
  .eup-product-gallery__slide {
    min-height: 460px;
  }
}

@media (max-width: 991px) {
  .eup-product-hero {
    grid-template-columns: 1fr;
    gap: 38px;
    padding-top: 32px;
  }

  .eup-product-gallery {
    width: 100%;
    max-width: 680px;
    margin-inline: auto;
  }

  .eup-product-gallery__viewport,
  .eup-product-gallery__slide {
    min-height: 0;
  }

  .eup-product-gallery__slide {
    aspect-ratio: 1 / 0.86;
  }

  .eup-product-info {
    width: 100%;
    max-width: 760px;
  }

  .eup-product-usage {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 767px) {
  .eup-product-single-shell {
    padding-inline: 16px !important;
  }

  .eup-product-hero {
    padding-block: 24px 58px;
  }

  .eup-product-gallery__slide {
    padding: 12px;
    aspect-ratio: 1 / 0.92;
  }

  .eup-product-gallery__nav {
    width: 36px;
    height: 36px;
  }

  .eup-product-gallery__nav--prev {
    left: 6px;
  }

  .eup-product-gallery__nav--next {
    right: 6px;
  }

  .eup-product-gallery__thumb {
    flex-basis: 64px;
    width: 64px;
    height: 64px;
  }

  .eup-product-title {
    font-size: clamp(32px, 9vw, 40px);
  }

  .eup-product-spec {
    grid-template-columns: 1fr;
    gap: 4px;
    padding-block: 10px;
    border-bottom: 1px solid var(--eup-border);
  }

  .eup-product-spec:last-child {
    border-bottom: 0;
  }

  .eup-product-contact {
    width: 100%;
  }

  .eup-product-usage {
    padding-block: 34px 64px;
  }

  .eup-product-accordion__toggle {
    padding: 16px 0;
  }

  .eup-product-accordion__title {
    font-size: var(--eup-font-base);
  }

  .eup-product-accordion__content-inner {
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .eup-product-gallery__track,
  .eup-product-gallery__slide,
  .eup-product-accordion__content,
  .eup-product-accordion__content-inner,
  .eup-product-accordion__icon::before,
  .eup-product-accordion__icon::after {
    transition: none !important;
  }
}