/* About Page Specific Styles */

/* Active nav item */
.nav-menu a.active {
  color: var(--color-primary);
  position: relative;
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
}

.navbar-desktop.scrolled .nav-menu a.active {
  color: var(--color-primary);
}

.mobile-nav a.active {
  color: var(--color-primary) !important;
  border-left-color: var(--color-primary);
  background: rgba(22, 119, 255, 0.05);
}

/* About Hero Section */
.about-hero {
  position: relative;
  height: 55vh;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

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

.about-hero-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.7) 100%);
}

.about-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  padding: 0 20px;
}

.about-hero-content h1 {
  font-size: 64px;
  font-weight: 300;
  margin-bottom: 24px;
  letter-spacing: -1.5px;
}

.about-hero-content p {
  font-size: 18px;
  line-height: 1.8;
  opacity: 0.8;
  font-weight: 300;
  letter-spacing: 0.5px;
}

/* Company Introduction */
.company-intro {
  padding: 140px 0;
  background: #fff;
}

.intro-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.intro-text h2 {
  font-size: 48px;
  font-weight: 300;
  margin-bottom: 40px;
  color: var(--color-text);
  letter-spacing: -1px;
}

.intro-text p {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 28px;
}

.intro-image {
  border-radius: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.intro-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.intro-image:hover img {
  transform: scale(1.02);
}

/* Company Stats */
.company-stats {
  padding: 120px 0;
  background: url('../images/coop.jpg') center/cover no-repeat;
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
  position: relative;
  padding: 60px 40px;
  text-align: center;
  transition: all 0.3s ease;
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.stat-number {
  font-size: 72px;
  font-weight: 200;
  line-height: 1;
  display: inline-block;
  letter-spacing: -2px;
}

.stat-unit {
  font-size: 36px;
  font-weight: 200;
  display: inline-block;
  margin-left: 4px;
}

.stat-label {
  font-size: 14px;
  margin-top: 20px;
  opacity: 0.7;
  font-weight: 300;
  letter-spacing: 0.5px;
}

/* Mission & Vision */
.mission-vision {
  padding: 120px 0;
  background: var(--color-bg);
}

.mv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 64px;

  border: 1px solid var(--color-border);
}

.mv-card {
  background: #fff;
  padding: 56px 40px;
  text-align: left;
  transition: all 0.3s ease;
  position: relative;
}

.mv-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 100%;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.mv-card:hover {
  background: rgba(26, 26, 26, 0.02);
}

.mv-card:hover::before {
  width: 3px;
}

.mv-card h3 {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 24px;
  color: var(--color-text);
}

.mv-card p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-text-light);
}

/* Development History */
.development-history {
  padding: 120px 0;
  background: #fff;
}

.timeline {
  max-width: 1200px;
  margin: 60px auto 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
  transform: translateX(-50%);
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  margin-bottom: 80px;
  align-items: center;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-year {
  font-size: 32px;
  font-weight: 600;
  color: var(--color-primary);
  text-align: right;
  position: relative;
}

.timeline-year::after {
  content: '';
  position: absolute;
  right: -52px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 4px solid #fff;
  box-shadow: 0 0 0 4px var(--color-primary);
  z-index: 2;
}

.timeline-content {
  text-align: left;
}

.timeline-content h4 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text-primary);
}

.timeline-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-light);
}

.timeline-image {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.timeline-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.timeline-image:hover img {
  transform: scale(1.05);
}

/* Reverse layout for alternating items */
.timeline-item.reverse {
  grid-template-columns: 1fr auto 1fr;
}

.timeline-item.reverse .timeline-year {
  grid-column: 3;
  text-align: left;
}

.timeline-item.reverse .timeline-year::after {
  left: -52px;
  right: auto;
}

.timeline-item.reverse .timeline-content {
  grid-column: 1;
  text-align: right;
}

.timeline-item.reverse .timeline-image {
  grid-column: 3;
}

.timeline-item .timeline-image {
  grid-column: 1;
}

.timeline-item .timeline-content {
  grid-column: 3;
}

/* Core Technology */
.core-technology {
  padding: 120px 0;
  background: var(--color-bg);
}

.tech-showcase {
  margin-top: 60px;
}

.tech-showcase-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-bottom: 120px;
  align-items: center;
}

.tech-showcase-item:last-child {
  margin-bottom: 0;
}

.tech-showcase-image {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.tech-showcase-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.tech-showcase-image:hover img {
  transform: scale(1.05);
}

.tech-showcase-content h3 {
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--color-text-primary);
}

.tech-showcase-content > p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.tech-showcase-content ul {
  list-style: none;
  padding: 0;
}

.tech-showcase-content li {
  font-size: 15px;
  line-height: 2.2;
  color: var(--color-text-light);
  padding-left: 28px;
  position: relative;
}

.tech-showcase-content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}

.tech-showcase-item.reverse {
  grid-template-columns: 1fr 1fr;
}

.tech-showcase-item.reverse .tech-showcase-image {
  order: 2;
}

.tech-showcase-item.reverse .tech-showcase-content {
  order: 1;
}

/* Manufacturing Base */
.manufacturing-base {
  padding: 120px 0;
  background: #fff;
}

.base-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.base-card {
  background: #fff;
  border-radius: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid var(--color-border);
}

.base-card:hover {
  border-color: var(--color-text);
}

.base-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.base-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.base-card:hover .base-image img {
  transform: scale(1.02);
}

.base-content {
  padding: 40px 32px;
}

.base-content h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text-primary);
}

.base-location {
  font-size: 14px;
  color: var(--color-primary);
  margin-bottom: 16px;
  font-weight: 500;
}

.base-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-light);
}

/* Training Capability */
.training-capability {
  margin-top: 60px;
  text-align: center;
}

.capability-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 60px;
  background: linear-gradient(135deg, rgba(22, 119, 255, 0.05) 0%, rgba(22, 119, 255, 0.1) 100%);
  border-radius: 8px;
  border-left: 4px solid var(--color-primary);
}

.capability-content h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text-primary);
}

.capability-content p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text-light);
}

/* Team Culture */
.team-culture {
  padding: 120px 0;
  background: var(--color-bg);
}

.culture-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.culture-text h2 {
  font-size: 40px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text-primary);
}

.culture-subtitle {
  font-size: 18px;
  color: var(--color-primary);
  margin-bottom: 32px;
  font-weight: 500;
}

.culture-text > p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.culture-values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.value-item h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text-primary);
}

.value-item p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-light);
}

.culture-image {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.culture-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.culture-image:hover img {
  transform: scale(1.05);
}

/* Partners */
.partners {
  padding: 100px 0;
  background: #fff;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  margin-top: 60px;
  align-items: center;
}

.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: var(--color-bg);
  border-radius: 8px;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.partner-logo:hover {
  background: #fff;
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.partner-logo img {
  max-width: 100%;
  height: 60px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all 0.3s ease;
}

.partner-logo:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* Join CTA */
.join-cta {
  padding: 160px 0;
  background: url('../images/coop.jpg') center/cover no-repeat;
  text-align: center;
  color: #fff;
}

.join-content h2 {
  font-size: 56px;
  font-weight: 300;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.join-content p {
  font-size: 20px;
  margin-bottom: 48px;
  opacity: 0.95;
}

.join-actions {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.join-actions .btn-primary {
  background: var(--color-primary);;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 0;
  letter-spacing: 0.5px;
}

.join-actions .btn-primary:hover {
  background: #fff;
  color: var(--color-text);
  border-color: #fff;
}

.join-actions .btn-secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 0;
  letter-spacing: 0.5px;
}

.join-actions .btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 1024px) {
  .about-hero-content h1 {
    font-size: 40px;
  }

  .intro-content,
  .culture-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .stat-item::after {
    display: none;
  }

  .mv-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .timeline::before {
    left: 40px;
  }

  .timeline-item {
    grid-template-columns: auto 1fr;
    gap: 32px;
  }

  .timeline-year {
    text-align: left;
    grid-column: 1;
  }

  .timeline-year::after {
    left: -52px;
  }

  .timeline-content {
    grid-column: 2;
    text-align: left;
  }

  .timeline-image {
    grid-column: 2;
    margin-top: 24px;
  }

  .timeline-item.reverse {
    grid-template-columns: auto 1fr;
  }

  .timeline-item.reverse .timeline-year {
    grid-column: 1;
    text-align: left;
  }

  .timeline-item.reverse .timeline-content {
    grid-column: 2;
    text-align: left;
  }

  .timeline-item.reverse .timeline-image {
    grid-column: 2;
  }

  .tech-showcase-item,
  .tech-showcase-item.reverse {
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 80px;
  }

  .tech-showcase-item.reverse .tech-showcase-image,
  .tech-showcase-item.reverse .tech-showcase-content {
    order: 0;
  }

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

  .training-capability {
    margin-top: 48px;
  }

  .capability-content {
    padding: 40px 40px;
  }

  .capability-content h3 {
    font-size: 20px;
  }

  .capability-content p {
    font-size: 15px;
  }

  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .about-hero {
    height: 50vh;
    min-height: 400px;
  }

  .about-hero-content h1 {
    font-size: 32px;
  }

  .about-hero-content p {
    font-size: 16px;
  }

  .company-intro,
  .mission-vision,
  .development-history,
  .core-technology,
  .manufacturing-base,
  .team-culture {
    padding: 80px 0;
  }

  .intro-text h2,
  .culture-text h2 {
    font-size: 32px;
  }

  .intro-text p,
  .culture-text > p {
    font-size: 15px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .stat-number {
    font-size: 48px;
  }

  .stat-unit {
    font-size: 24px;
  }

  .timeline::before {
    display: none;
  }

  .timeline-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 48px;
    padding: 24px;
    background: var(--color-bg);
    border-radius: 8px;
  }

  .timeline-item:last-child {
    margin-bottom: 0;
  }

  .timeline-year {
    font-size: 20px;
    text-align: left;
    color: var(--color-primary);
    font-weight: 600;
    position: relative;
    padding-left: 16px;
    border-left: 3px solid var(--color-primary);
    align-self: flex-start;
  }

  .timeline-year::after {
    display: none;
  }

  .timeline-content {
    text-align: left;
  }

  .timeline-content h4 {
    font-size: 16px;
    margin-bottom: 8px;
  }

  .timeline-content p {
    font-size: 14px;
    line-height: 1.6;
  }

  .timeline-image {
    width: 100%;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: none;
  }

  .timeline-image img {
    width: 100%;
    height: auto;
    display: block;
  }

  .timeline-item.reverse {
    grid-template-columns: 1fr;
  }

  .timeline-item.reverse .timeline-year {
    grid-column: auto;
    text-align: left;
  }

  .timeline-item.reverse .timeline-content {
    grid-column: auto;
    text-align: left;
  }

  .timeline-item.reverse .timeline-image {
    grid-column: auto;
  }

  .tech-showcase-content h3 {
    font-size: 24px;
  }

  .base-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .training-capability {
    margin-top: 40px;
  }

  .capability-content {
    padding: 32px 24px;
  }

  .capability-content h3 {
    font-size: 18px;
  }

  .capability-content p {
    font-size: 14px;
  }

  .culture-values {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .partner-logo {
    padding: 24px;
  }

  .partner-logo img {
    height: 48px;
  }

  .join-cta {
    padding: 100px 0;
  }

  .join-content h2 {
    font-size: 32px;
  }

  .join-content p {
    font-size: 16px;
  }

  .join-actions {
    flex-direction: column;
    gap: 16px;
  }

  .join-actions .btn-primary,
  .join-actions .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .about-hero-content h1 {
    font-size: 28px;
  }

  .about-hero-content p {
    font-size: 14px;
  }

  .intro-text h2,
  .culture-text h2 {
    font-size: 24px;
  }

  .stat-number {
    font-size: 40px;
  }

  .timeline-year {
    font-size: 18px;
  }

  .timeline-item {
    padding: 20px;
    margin-bottom: 32px;
    gap: 12px;
  }

  .timeline-content h4 {
    font-size: 15px;
  }

  .timeline-content p {
    font-size: 13px;
  }

  .tech-showcase-content h3 {
    font-size: 20px;
  }

  .capability-content {
    padding: 24px 20px;
  }

  .capability-content h3 {
    font-size: 16px;
  }

  .capability-content p {
    font-size: 13px;
  }

  .join-content h2 {
    font-size: 28px;
  }
}