/* ==========================================================================
   About Us Page Stylesheet - Lanbang B2B Showcase Theme
   ========================================================================== */

/* Target Sections Scroll Margins for Sticky Header + Subnav Offset */
#about-story,
#about-milestones,
#about-services,
#about-team,
#about-certificates,
#about-culture {
  scroll-margin-top: 135px;
}

/* 1. Hero Sub-Banner */
.about-hero-banner {
  position: relative;
  width: 100%;
  padding: 100px 0 90px;
  background-size: cover;
  background-position: center;
  color: var(--white);
  text-align: center;
}

.about-hero-content {
  max-width: 920px;
  margin: 0 auto;
}

.about-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(197, 155, 39, 0.95);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  box-shadow: 0 4px 15px rgba(197, 155, 39, 0.3);
}

.about-hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.about-hero-subtitle {
  font-size: 1.05rem;
  color: #e5e5e5;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
}

/* Sub Navigation Bar */
.about-subnav-bar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-300);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 75px;
  z-index: 90;
  transition: var(--transition);
}

.about-subnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
  min-height: 54px;
}

.about-subnav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.about-subnav-links::-webkit-scrollbar {
  display: none;
}

.about-subnav-links li a {
  display: inline-block;
  padding: 16px 18px 14px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-700);
  position: relative;
  transition: all 0.25s ease;
  cursor: pointer;
}

.about-subnav-links li a:hover {
  color: var(--primary);
}

.about-subnav-links li a.active {
  color: var(--primary) !important;
  font-weight: 700;
}

.about-subnav-links li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background-color: var(--primary);
  transition: width 0.25s ease;
}

.about-subnav-links li a.active::after,
.about-subnav-links li a:hover::after {
  width: 80%;
}

.about-breadcrumb {
  font-size: 0.85rem;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.about-breadcrumb a {
  color: var(--gray-700);
}

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

.about-breadcrumb .current {
  color: var(--primary);
  font-weight: 600;
}

/* 2. Who We Are: Brand Story & Achievement Grid */
.about-story-section {
  background-color: var(--white);
}

.about-story-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.story-lead-text p {
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--gray-700);
  margin-bottom: 18px;
}

.story-lead-text strong {
  color: var(--dark);
}

.story-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.story-actions .btn {
  padding: 14px 28px;
}

/* 6-Card Achievement Matrix */
.metrics-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.metric-box {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 24px 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.metric-box:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1;
  display: flex;
  align-items: baseline;
  margin-bottom: 8px;
}

.metric-number .unit {
  font-size: 1.1rem;
  color: var(--primary);
  margin-left: 4px;
}

.metric-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.metric-box p {
  font-size: 0.82rem;
  color: var(--gray-500);
  line-height: 1.5;
  margin: 0;
}

/* 3. Executive Message & Philosophy */
.about-quote-section {
  background: linear-gradient(135deg, #18191d 0%, #26272e 100%);
  padding: 70px 0;
  color: var(--white);
}

.executive-quote-card {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.quote-icon-box {
  color: var(--primary);
  opacity: 0.8;
  margin-bottom: 20px;
}

.quote-text {
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.75;
  color: #f0f0f0;
  font-style: italic;
  margin-bottom: 30px;
}

.quote-author h4 {
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 4px;
}

.quote-author span {
  font-size: 0.88rem;
  color: var(--primary);
  font-weight: 600;
}

/* 4. Development Path & Milestones */
.about-timeline-section {
  background-color: var(--gray-100);
}

.timeline-container {
  margin-top: 50px;
  position: relative;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding: 20px 0;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--gray-300);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 20px 40px;
  box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
}

.timeline-dot {
  position: absolute;
  top: 28px;
  width: 16px;
  height: 16px;
  background: var(--white);
  border: 4px solid var(--primary);
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 0 0 4px rgba(197, 155, 39, 0.2);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -8px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -8px;
}

.timeline-year {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

.timeline-content {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-300);
  transition: var(--transition);
}

.timeline-content:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.timeline-content h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--dark);
}

.timeline-content p {
  font-size: 0.88rem;
  color: var(--gray-700);
  line-height: 1.6;
  margin: 0;
}

/* 5. Enterprise Services & 360° Turnkey Solutions */
.about-services-section {
  background: linear-gradient(135deg, #141414 0%, #1f1f1f 100%);
  color: var(--white);
}

.services-stage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.service-stage-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 40px 30px;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-stage-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(197, 155, 39, 0.4);
  transform: translateY(-8px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.stage-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(197, 155, 39, 0.25);
  line-height: 1;
  position: absolute;
  top: 25px;
  right: 25px;
}

.stage-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(197, 155, 39, 0.15);
  border: 1px solid rgba(197, 155, 39, 0.3);
  color: var(--primary);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  width: fit-content;
}

.service-stage-card h3 {
  font-size: 1.35rem;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.35;
}

.stage-intro {
  font-size: 0.88rem;
  color: #b5b5b5;
  line-height: 1.65;
  margin-bottom: 22px;
}

.stage-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
}

.stage-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.86rem;
  font-weight: 600;
  color: #e5e5e5;
  line-height: 1.45;
}

/* 6. Elite Core Team Section */
.about-team-section {
  background-color: var(--white);
}

.team-grid-showcase {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 50px;
}

.team-card-wide {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.team-card-wide.reverse {
  grid-template-columns: 1.1fr 0.9fr;
}

.team-card-wide.reverse .team-card-image {
  order: 2;
}

.team-card-wide.reverse .team-card-info {
  order: 1;
}

.team-card-wide:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.team-card-image {
  width: 100%;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background-color: #1a1a1a;
}

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

.team-card-wide:hover .team-card-image img {
  transform: scale(1.05);
}

.team-card-info {
  padding: 40px 35px;
}

.team-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(197, 155, 39, 0.3);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.team-card-info h3 {
  font-size: 1.6rem;
  color: var(--dark);
  margin-bottom: 14px;
  line-height: 1.35;
}

.team-card-info p {
  font-size: 0.93rem;
  color: var(--gray-700);
  line-height: 1.75;
  margin-bottom: 24px;
}

.team-competencies {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.team-competencies span {
  display: inline-block;
  padding: 6px 14px;
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--dark);
}

/* 7. Strength & Certifications Section */
.about-certificates-section {
  background: #17181c;
  color: var(--white);
}

.certificates-swiper-wrap {
  margin-top: 45px;
  position: relative;
  padding: 0 10px 45px;
}

.cert-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 30px 24px;
  text-align: center;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cert-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary);
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.cert-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(197, 155, 39, 0.12);
  border: 1px solid rgba(197, 155, 39, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}

.cert-card:hover .cert-icon-wrap {
  background: var(--primary);
  transform: scale(1.08);
}

.cert-card:hover .cert-icon-wrap svg {
  stroke: var(--white);
}

.cert-card h4 {
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 6px;
}

.cert-type {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.cert-desc {
  font-size: 0.85rem;
  color: #b5b5b5;
  line-height: 1.6;
}

.certificates-swiper .swiper-button-prev,
.certificates-swiper .swiper-button-next {
  width: 44px;
  height: 44px;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  color: var(--dark);
  transition: var(--transition);
}

.certificates-swiper .swiper-button-prev::after,
.certificates-swiper .swiper-button-next::after {
  font-size: 16px;
  font-weight: bold;
}

.certificates-swiper .swiper-button-prev:hover,
.certificates-swiper .swiper-button-next:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* 8. Corporate Culture Section */
.about-culture-section {
  background-color: var(--white);
}

.about-culture-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: center;
}

.culture-image-wrap {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
}

.culture-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.culture-badge-overlay {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(18, 18, 18, 0.88);
  backdrop-filter: blur(6px);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.culture-values-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.culture-val-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  transition: var(--transition);
}

.culture-val-item:hover {
  border-color: var(--primary);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transform: translateX(6px);
}

.val-num {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  padding-top: 2px;
}

.val-content h4 {
  font-size: 1.05rem;
  color: var(--dark);
  margin-bottom: 4px;
}

.val-content p {
  font-size: 0.88rem;
  color: var(--gray-700);
  line-height: 1.6;
  margin: 0;
}

/* 9. Direct Consultation & Store Design CTA Banner */
.about-cta-section {
  background-color: var(--gray-100);
  padding-bottom: 90px;
}

.about-cta-card {
  background: linear-gradient(135deg, #18191d 0%, #2a2b32 100%);
  border-radius: var(--radius-md);
  padding: 60px 50px;
  color: var(--white);
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.about-cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(197, 155, 39, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .about-hero-title { font-size: 2.2rem; }
  .about-story-grid { grid-template-columns: 1fr; gap: 40px; }
  .services-stage-grid { grid-template-columns: 1fr; gap: 25px; }
  .team-card-wide, .team-card-wide.reverse { grid-template-columns: 1fr; }
  .team-card-wide.reverse .team-card-image { order: 1; }
  .team-card-wide.reverse .team-card-info { order: 2; }
  .about-culture-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .about-hero-banner { padding: 70px 0 60px; }
  .about-hero-title { font-size: 1.8rem; }
  .about-subnav-bar { position: relative; top: 0; }
  .about-subnav-inner { flex-direction: column; align-items: flex-start; padding: 10px 0; gap: 8px; }
  .about-subnav-links { width: 100%; }
  .metrics-card-grid { grid-template-columns: 1fr; }
  
  /* Timeline single-sided on mobile */
  .timeline-container::before { left: 20px; }
  .timeline-item { width: 100%; padding-left: 55px; padding-right: 15px; text-align: left !important; }
  .timeline-item:nth-child(even) { left: 0; }
  .timeline-dot { left: 12px !important; right: auto !important; }
  
  .about-cta-card { padding: 40px 20px; }
  .cta-card-content h2 { font-size: 1.6rem; }
  .cta-highlights-row { flex-direction: column; align-items: center; gap: 12px; }
}

@media (max-width: 480px) {
  .story-actions .btn { width: 100%; }
  .cta-button-group .btn { width: 100%; }
}