/* ==========================================================================
   FIBER GROUP - Remaining Page Styles (About, Technical, Products, News, Video, Contact)
   ========================================================================== */

/* ============================================================
   ABOUT PAGE
   ============================================================ */

.about-intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: center;
  padding-block: var(--section-y);
}

.about-intro__img-wrap {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 3/4;
}

.about-intro__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-intro__accent {
  position: absolute;
  top: var(--sp-6);
  left: var(--sp-6);
  width: 80px;
  height: 80px;
  border: 3px solid var(--color-accent);
  border-radius: var(--radius-lg);
  opacity: 0.6;
}

.about-vm__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
  margin-top: var(--sp-8);
}

.about-vm__card {
  padding: var(--sp-8) var(--sp-6);
  border-radius: var(--radius-xl);
  background: var(--color-white);
  border: 1.5px solid var(--color-border-light);
  box-shadow: var(--shadow-card);
}

.about-vm__card--accent {
  background: var(--color-accent);
  border-color: var(--color-accent-dark);
}

.about-vm__card--accent h3,
.about-vm__card--accent p {
  color: #fff;
}

.about-vm__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-5);
  color: var(--color-accent);
}

.about-vm__card--accent .about-vm__icon {
  background: rgba(255, 255, 255, 0.20);
  color: #fff;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
  margin-top: var(--sp-10);
}

.about-feature {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
}

.about-feature__icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent-soft);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.about-feature__title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--fw-bold);
  margin-bottom: var(--sp-1);
}

.about-feature__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ---- Team / Capacity ---- */
.factory-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  padding: var(--sp-10) var(--sp-8);
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-3) 100%);
  border-radius: var(--radius-2xl);
  margin-block: var(--sp-12);
}

.factory-stat__num {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--fw-extrabold);
  color: var(--color-accent);
  letter-spacing: var(--ls-tight);
  line-height: 1;
}

.factory-stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-inverse-sec);
  margin-top: var(--sp-2);
}

/* ---- Corporate Film ---- */
.about-video {
  padding-block: var(--section-y);
  background: var(--color-surface);
}

.about-video__player {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--color-dark);
  cursor: pointer;
}

.about-video__thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease-out);
}

.about-video__player:hover .about-video__thumb {
  transform: scale(1.02);
}

.about-video__play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 22, 40, 0.35);
  transition: background var(--t-slow);
}

.about-video__player:hover .about-video__play-btn {
  background: rgba(10, 22, 40, 0.50);
}

.play-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(207, 133, 25, 0.45);
  transition: transform var(--t-base) var(--ease-spring), box-shadow var(--t-base);
}

.about-video__player:hover .play-circle {
  transform: scale(1.08);
  box-shadow: 0 12px 40px rgba(207, 133, 25, 0.55);
}

.play-circle svg {
  color: #fff;
  margin-left: 4px;
}

/* ============================================================
   TECHNICAL INFO PAGE
   ============================================================ */

.technical-hub__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.technical-card {
  padding: var(--sp-8) var(--sp-6);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--color-border-light);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  display: block;
  transition:
    box-shadow var(--t-slow) var(--ease-out),
    transform var(--t-slow) var(--ease-out),
    border-color var(--t-base);
}

.technical-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.technical-card__icon {
  width: 52px;
  height: 52px;
  background: var(--color-accent-soft);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: var(--sp-5);
}

.technical-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: var(--sp-3);
  transition: color var(--t-fast);
}

.technical-card:hover .technical-card__title {
  color: var(--color-accent);
}

.technical-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

/* ---- Technical Detail Content ---- */
.technical-detail__content {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.technical-detail__article h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--sp-5);
  margin-top: var(--sp-8);
}

.technical-detail__article h3:first-child {
  margin-top: 0;
}

.technical-detail__article p {
  margin-bottom: var(--sp-5);
}

.technical-detail__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-block: var(--sp-5);
}

.technical-detail__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

.technical-detail__list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.55em;
}

.technical-sidebar {
  position: sticky;
  top: calc(var(--topbar-h) + var(--header-h) + var(--sp-6));
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.technical-sidebar__card {
  padding: var(--sp-6);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--color-border-light);
  background: var(--color-surface);
}

/* ============================================================
   PRODUCTS PAGE
   ============================================================ */

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
  margin-bottom: var(--sp-12);
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-detail__hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  padding-block: var(--section-y);
}

.product-detail__gallery {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.product-detail__gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail__specs {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-block: var(--sp-6);
}

.spec-row {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  background: var(--color-surface);
}

.spec-row__label {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  min-width: 130px;
  flex-shrink: 0;
}

.spec-row__value {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: var(--fw-medium);
}

/* ============================================================
   NEWS PAGE
   ============================================================ */

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.news-detail__article {
  max-width: 760px;
  margin-inline: auto;
}

.news-detail__article h2 {
  margin-block: var(--sp-8) var(--sp-5);
}

.news-detail__article h3 {
  margin-block: var(--sp-6) var(--sp-4);
}

.news-detail__article p {
  margin-bottom: var(--sp-5);
}

.news-detail__cover {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 16/9;
  margin-bottom: var(--sp-10);
}

.news-detail__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--sp-6);
}

.news-meta__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-border);
}

/* ============================================================
   VIDEO PAGE
   ============================================================ */

.video-featured {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  margin-bottom: var(--sp-12);
  aspect-ratio: 16/9;
}

.video-featured h2 {
  color: #fff;
}

.video-featured iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 20, 0.96);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-base) var(--ease-out), visibility var(--t-base);
}

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

.lightbox__inner {
  width: 100%;
  max-width: 960px;
  position: relative;
  transform: scale(0.94);
  transition: transform var(--t-slow) var(--ease-spring);
}

.lightbox.open .lightbox__inner {
  transform: scale(1);
}

.lightbox__close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.20);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  transition: background var(--t-fast);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.22);
}

.lightbox__video {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.lightbox__video iframe,
.lightbox__video video {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  object-fit: contain;
  background: #000;
}

.lightbox__image {
  width: 100%;
  height: auto;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__image img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.certificate-card {
  cursor: pointer;
  transition: transform var(--t-base), box-shadow var(--t-base);
}

.certificate-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.certificate-card img {
  transition: opacity var(--t-fast);
}

.certificate-card:hover img {
  opacity: 0.9;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  padding-block: var(--section-y);
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.contact-info-card {
  padding: var(--sp-6);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--color-border-light);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
  transition: border-color var(--t-base), box-shadow var(--t-base);
}

.contact-info-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.contact-info-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-info-card__label {
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-2);
}

.contact-info-card__value {
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  line-height: var(--lh-snug);
  text-decoration: none;
  transition: color var(--t-fast);
}

.contact-info-card__value:hover {
  color: var(--color-accent);
}

.contact-form {
  padding: var(--sp-8);
  background: var(--color-dark);
  border-radius: var(--radius-2xl);
  border: 4px solid var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.contact-form__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  color: #fff;
  margin-bottom: var(--sp-8);
}

.contact-form .form-label {
  color: rgba(255, 255, 255, 0.85);
}

.contact-form .form-input,
.contact-form .form-select,
.contact-form .form-textarea {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.contact-form .form-input:focus,
.contact-form .form-select:focus,
.contact-form .form-textarea:focus {
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.08);
}

.contact-form .form-input::placeholder,
.contact-form .form-textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}

.form-grid .form-group--full {
  grid-column: span 2;
}

.contact-success {
  text-align: center;
  padding: var(--sp-12) var(--sp-8);
  display: none;
}

.contact-success__icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--badge-done-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-6);
  color: var(--color-success);
}

.contact-map {
  margin-bottom: var(--sp-6);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  height: 320px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ============================================================
   RESPONSIVE - All pages
   ============================================================ */

@media (max-width: 1023px) {
  .about-intro__grid {
    grid-template-columns: 1fr;
  }

  .technical-hub__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .technical-detail__content {
    grid-template-columns: 1fr;
  }

  .technical-sidebar {
    position: static;
  }

  .product-detail__hero {
    grid-template-columns: 1fr;
  }

  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .factory-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-features {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 767px) {
  .technical-hub__grid {
    grid-template-columns: 1fr;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-grid .form-group--full {
    grid-column: span 1;
  }

  .factory-stats {
    grid-template-columns: repeat(2, 1fr);
  }

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