/* ========== About Page ========== */

/* Inner page header: white bar in document flow */
.home-header-wrap.page-header-wrap {
  position: sticky;
  top: 0;
  left: auto;
  right: auto;
  width: 100%;
  max-width: var(--nav-max-width);
  margin: 0 auto;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.home-header-wrap.page-header-wrap::after {
  background: var(--color-border-light);
}

.home-header-wrap.page-header-wrap .logo {
  color: var(--color-heading);
}

.home-header-wrap.page-header-wrap .logo__mark {
  color: var(--color-primary);
}

.home-header-wrap.page-header-wrap .logo__mark path {
  fill: #fff;
}

.home-header-wrap.page-header-wrap .nav-list > li > a,
.home-header-wrap.page-header-wrap .nav-item__row > a,
.home-header-wrap.page-header-wrap .nav-dropdown-toggle,
.home-header-wrap.page-header-wrap .header-search,
.home-header-wrap.page-header-wrap .header-lang {
  color: var(--color-text-light);
}

.home-header-wrap.page-header-wrap .header-lang {
  border-color: var(--color-border);
}

.home-header-wrap.page-header-wrap .nav-list > li > a:hover,
.home-header-wrap.page-header-wrap .nav-item__row > a:hover,
.home-header-wrap.page-header-wrap .nav-list > li:hover > a,
.home-header-wrap.page-header-wrap .nav-item--dropdown:hover > .nav-item__row > a,
.home-header-wrap.page-header-wrap .header-search:hover,
.home-header-wrap.page-header-wrap .header-lang:hover {
  color: var(--color-primary);
}

.home-header-wrap.page-header-wrap .nav-toggle span {
  background: var(--color-text-light);
}

.home-header-wrap.page-header-wrap.is-search-open .header-search,
.home-header-wrap.page-header-wrap.is-search-open .header-search-close {
  color: var(--color-primary);
}

.home-header-wrap.page-header-wrap .nav-list > li.is-active > a,
.home-header-wrap.page-header-wrap .nav-item--dropdown.is-active > .nav-item__row > a,
.home-header-wrap.page-header-wrap .nav-item--dropdown.is-active .nav-dropdown-toggle,
.home-header-wrap.page-header-wrap .nav-item--dropdown.is-active:hover > .nav-item__row > a {
  color: var(--color-white) !important;
}

/* ========== Page Banner ========== */
.page-banner {
  position: relative;
  width: 100%;
  height: clamp(220px, 28vw, 360px);
  min-height: 220px;
  overflow: hidden;
  background: var(--color-bg-dark);
}

.page-banner__bg {
  position: absolute;
  inset: 0;
}

.page-banner__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-banner__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(26, 30, 38, 0.55);
}

.page-banner__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 40px 20px;
}

.page-banner__title {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.page-banner__line {
  width: 48px;
  height: 3px;
  margin-top: 18px;
  background: var(--color-primary);
  border: 0;
}

.page-banner__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}

.page-banner__breadcrumb a:hover {
  color: var(--color-primary);
}

.page-banner__breadcrumb-sep {
  opacity: 0.7;
}

/* ========== About Tabs ========== */
.about-tabs {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.about-tabs__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: 100%;
  max-width: var(--about-max-width);
  margin: 0 auto;
  padding: 0;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  box-sizing: border-box;
}

.about-tabs__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-heading);
  background: var(--color-white);
  border-right: 1px solid var(--color-border);
  text-align: center;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.about-tabs__link:last-child {
  border-right: 0;
}

.about-tabs__link:hover {
  color: var(--color-primary);
}

.about-tabs__link.is-active {
  color: var(--color-white);
  background: var(--color-primary);
}

.about-tabs__link.is-active:hover {
  color: var(--color-white);
}

/* ========== Section heading ========== */
.section-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 28px;
  font-size: clamp(24px, 2.5vw, 32px);
  font-weight: 800;
  color: var(--color-heading);
  letter-spacing: -0.02em;
}

.section-heading::before {
  content: "";
  flex-shrink: 0;
  width: 4px;
  height: 1.1em;
  background: var(--color-primary);
}

/* ========== Shared content width ========== */
.about-page-inner {
  width: 100%;
  max-width: var(--about-max-width);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  box-sizing: border-box;
}

/* ========== Company Profile ========== */
.about-profile {
  padding: 56px 0 0;
  background: var(--color-white);
}

.about-profile__media {
  width: 100%;
  margin-bottom: 48px;
  overflow: hidden;
}

.about-profile__media img {
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;
  display: block;
}

.about-profile__body {
  padding-bottom: 48px;
}

.about-profile__text {
  display: flex;
  flex-direction: column;
  gap: 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text);
  text-align: justify;
}

.about-profile__text p {
  margin: 0;
}

/* Stats bar */
.about-stats-strip {
  width: 100%;
  background-image: url("../images/about-bg1.jpg");
  background-repeat: repeat-x;
  background-position: center top;
  background-size: auto 100%;
}

.about-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 48px 40px;
  color: var(--color-white);
  box-sizing: border-box;
}

.about-stats-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
}

.about-stats-bar__icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
}

.about-stats-bar__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.about-stats-bar__label {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  opacity: 0.95;
}

.about-stats-bar__value {
  margin: 0;
  font-size: clamp(28px, 2.8vw, 40px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* ========== Commitment ========== */
.about-commitment {
  padding: 72px 0 0;
  background: var(--color-white);
}

.about-commitment__text {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 48px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text);
  text-align: justify;
}

.about-commitment__text p {
  margin: 0;
}

.about-commitment__media {
  width: 100%;
  overflow: hidden;
}

.about-commitment__media img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

/* ========== Advantage ========== */
.about-advantage {
  padding: 72px 0 96px;
  background: var(--color-white);
}

.about-advantage__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 48px;
}

.advantage-card {
  position: relative;
  padding: 8px 8px 28px 0;
  overflow: hidden;
}

.advantage-card__num {
  position: absolute;
  top: -8px;
  right: 0;
  font-family: "Manrope", sans-serif;
  font-size: clamp(64px, 6vw, 88px);
  font-weight: 800;
  line-height: 1;
  color: rgba(26, 30, 38, 0.06);
  pointer-events: none;
  z-index: 0;
}

.advantage-card__icon {
  position: relative;
  z-index: 1;
  display: inline-flex;
  width: 68px;
  height: 65px;
  margin-bottom: 16px;
  color: var(--color-heading);
}

.advantage-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.advantage-card__name {
  position: relative;
  z-index: 1;
  margin: 0 0 12px;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-heading);
}

.advantage-card__desc {
  position: relative;
  z-index: 1;
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
}

.advantage-card__line {
  display: block;
  width: 40px;
  height: 3px;
  background: var(--color-primary);
}

/* ========== Certifications ========== */
.cert-section {
  padding: 64px 0 96px;
  background: var(--color-white);
}

.cert-section .section-heading {
  margin-bottom: 12px;
}

.cert-section__desc {
  margin: 0 0 48px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
}

.cert-section__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px 24px;
}

.cert-card {
  display: flex;
  flex-direction: column;
  margin: 0;
  background: transparent;
}

.cert-card__trigger {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  text-align: left;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.cert-card__trigger:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.cert-card__image {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  background: var(--color-bg-gray);
}

.cert-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.5s ease;
}

.cert-card__trigger:hover .cert-card__image img {
  transform: scale(1.03);
}

.cert-card__name {
  margin: 14px 0 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 3.4;
  color: var(--color-text-light);
  text-align: center;
}

/* ========== Factory Show ========== */
.factory-section {
  padding: 64px 0 96px;
  background: var(--color-white);
}

.factory-section .section-heading {
  margin-bottom: 12px;
}

.factory-section__desc {
  margin: 0 0 48px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
}

.factory-section__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px 24px;
}

.factory-card {
  display: flex;
  flex-direction: column;
  margin: 0;
  background: transparent;
}

.factory-card__trigger {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  text-align: left;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.factory-card__trigger:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.factory-card__image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-gray);
}

.factory-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.5s ease;
}

.factory-card__trigger:hover .factory-card__image img {
  transform: scale(1.04);
}

.factory-card__name {
  margin: 14px 0 0;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-text-light);
  text-align: center;
}

/* ========== Lightbox ========== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  background: rgba(18, 21, 27, 0.88);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__dialog {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: min(1100px, 100%);
  max-height: calc(100vh - 96px);
}

.lightbox__img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 140px);
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: var(--shadow-lg);
}

.lightbox__caption {
  margin: 16px 0 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-white);
  text-align: center;
}

.lightbox__close {
  position: absolute;
  top: -40px;
  right: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-white);
  border-radius: 50%;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-primary);
}

.lightbox__close svg {
  width: 22px;
  height: 22px;
}

body.is-lightbox-open {
  overflow: hidden;
}

/* ========== Responsive ========== */
@media (max-width: 992px) {
  .about-stats-bar {
    grid-template-columns: repeat(2, 1fr);
    padding: 40px 24px;
  }

  .about-advantage__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .cert-section__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .factory-section__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .about-tabs__link {
    padding: 14px 12px;
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  .home-header-wrap.page-header-wrap {
    position: fixed;
    left: 0;
    right: 0;
    max-width: none;
    background: var(--color-white);
  }

  .home-header-wrap.page-header-wrap .nav-list > li > a,
  .home-header-wrap.page-header-wrap .nav-item__row > a,
  .home-header-wrap.page-header-wrap .nav-dropdown-toggle {
    color: var(--color-white);
  }

  .home-header-wrap.page-header-wrap .nav-list > li.is-active,
  .home-header-wrap.page-header-wrap .nav-list > li.nav-item--dropdown.is-active {
    background: var(--color-primary);
  }

  .home-header-wrap.page-header-wrap .nav-item--dropdown.is-active > .nav-item__row > a,
  .home-header-wrap.page-header-wrap .nav-list > li.is-active > a {
    color: var(--color-white) !important;
  }

  .page-banner {
    height: 200px;
    min-height: 200px;
  }

  .about-profile {
    padding-top: 36px;
  }

  .about-profile__media {
    margin-bottom: 32px;
  }

  .about-commitment,
  .about-advantage {
    padding-top: 48px;
  }

  .about-advantage {
    padding-bottom: 64px;
  }

  .about-stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: 28px 16px;
  }

  .about-advantage__grid {
    grid-template-columns: 1fr;
  }

  .about-tabs__inner {
    grid-template-columns: 1fr;
    border-left: 0;
    border-right: 0;
  }

  .about-tabs__link {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
  }

  .cert-section {
    padding: 48px 0 64px;
  }

  .cert-section__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .factory-section {
    padding: 48px 0 64px;
  }

  .factory-section__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .about-profile__text,
  .about-commitment__text {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .about-stats-bar {
    grid-template-columns: 1fr;
  }

  .cert-section__grid {
    grid-template-columns: 1fr 1fr;
  }

  .factory-section__grid {
    grid-template-columns: 1fr;
  }
}