.page-about {
  font-family: Arial, sans-serif;
  color: var(--Text-Main);
  background-color: var(--Background);
}

.page-about__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  box-sizing: border-box;
  overflow: hidden;
}

.page-about__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.page-about__hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--Text-Main);
  max-width: 900px;
  padding: 20px;
  background: rgba(8, 22, 15, 0.7); /* Deep Green background with transparency */
  border-radius: 10px;
}

.page-about__main-title {
  font-size: clamp(2.2em, 4vw, 3.2em);
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 15px;
  color: var(--Gold);
}

.page-about__tagline {
  font-size: clamp(1em, 1.8vw, 1.3em);
  margin-bottom: 30px;
  color: var(--Text-Secondary);
}

.page-about__btn-primary {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 8px;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-about__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-about__section {
  padding: 60px 0;
  box-sizing: border-box;
}

.page-about__introduction {
  background-color: var(--Background);
}

.page-about__vision-mission {
  background-color: var(--Deep-Green);
}

.page-about__history {
  background-color: var(--Background);
}

.page-about__core-values {
  background-color: var(--Deep-Green);
}

.page-about__products-services {
  background-color: var(--Background);
}

.page-about__tech-security {
  background-color: var(--Deep-Green);
}

.page-about__social-responsibility {
  background-color: var(--Background);
}

.page-about__team {
  background-color: var(--Deep-Green);
}

.page-about__customer-support {
  background-color: var(--Background);
}

.page-about__future {
  background-color: var(--Deep-Green);
}

.page-about__faq-section {
  background-color: var(--Background);
}

.page-about__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-about__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.5em);
  color: var(--Gold);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  line-height: 1.3;
}

.page-about__introduction .page-about__section-title,
.page-about__history .page-about__section-title,
.page-about__products-services .page-about__section-title,
.page-about__social-responsibility .page-about__section-title,
.page-about__customer-support .page-about__section-title,
.page-about__faq-section .page-about__section-title {
  color: var(--Text-Main);
}

.page-about__text-block {
  font-size: 1.1em;
  line-height: 1.8;
  margin-bottom: 20px;
  color: var(--Text-Secondary);
  text-align: justify;
}

.page-about__introduction .page-about__text-block {
  color: var(--Text-Main);
}

.page-about__content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-bottom: 30px;
}

.page-about__card {
  background-color: var(--Card-BG);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  color: var(--Text-Main);
}

.page-about__card-title {
  font-size: 1.6em;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--Gold);
}

.page-about__card-text {
  font-size: 1em;
  line-height: 1.7;
  color: var(--Text-Secondary);
}

.page-about__image-center {
  display: block;
  margin: 40px auto;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-about__timeline {
  list-style: none;
  padding: 0;
  position: relative;
  margin: 50px 0;
}

.page-about__timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--Divider);
  transform: translateX(-50%);
}

.page-about__timeline-item {
  position: relative;
  width: 50%;
  padding: 20px 0;
  box-sizing: border-box;
}

.page-about__timeline-item:nth-child(odd) {
  left: 0;
  padding-right: 40px;
  text-align: right;
}

.page-about__timeline-item:nth-child(even) {
  left: 50%;
  padding-left: 40px;
  text-align: left;
}

.page-about__timeline-item::before {
  content: '';
  position: absolute;
  top: 50%;
  width: 20px;
  height: 20px;
  background-color: var(--Gold);
  border-radius: 50%;
  transform: translateY(-50%);
  z-index: 1;
}

.page-about__timeline-item:nth-child(odd)::before {
  right: -10px;
}

.page-about__timeline-item:nth-child(even)::before {
  left: -10px;
}

.page-about__timeline-year {
  font-size: 1.8em;
  font-weight: bold;
  color: var(--Gold);
  margin-bottom: 10px;
}

.page-about__timeline-description {
  font-size: 1.1em;
  line-height: 1.7;
  color: var(--Text-Secondary);
}

.page-about__core-values .page-about__text-block {
  color: var(--Text-Main);
}

.page-about__values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__value-item {
  background-color: var(--Card-BG);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__value-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 5px var(--Glow)); /* Allowed for visual effect, not color change */
}

.page-about__value-title {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--Text-Main);
  margin-bottom: 10px;
}

.page-about__value-description {
  font-size: 1em;
  line-height: 1.6;
  color: var(--Text-Secondary);
}

.page-about__product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__product-card {
  background-color: var(--Card-BG);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.page-about__product-card:hover {
  transform: translateY(-5px);
}

.page-about__product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.page-about__product-title {
  font-size: 1.4em;
  font-weight: bold;
  padding: 15px 20px 0;
  color: var(--Gold);
}

.page-about__product-title a {
  color: inherit;
  text-decoration: none;
}

.page-about__product-title a:hover {
  text-decoration: underline;
}

.page-about__product-description {
  font-size: 0.95em;
  line-height: 1.6;
  color: var(--Text-Secondary);
  padding: 0 20px 20px;
}

.page-about__cta-buttons {
  text-align: center;
  margin-top: 50px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.page-about__btn-secondary {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 8px;
  background: transparent;
  color: var(--Gold);
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  border: 2px solid var(--Gold);
  cursor: pointer;
}

.page-about__btn-secondary:hover {
  background: var(--Gold);
  color: var(--Deep-Green);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-about__feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 40px;
}

.page-about__feature-item {
  background-color: var(--Card-BG);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__feature-title {
  font-size: 1.6em;
  font-weight: bold;
  color: var(--Gold);
  margin-bottom: 15px;
}

.page-about__feature-description {
  font-size: 1em;
  line-height: 1.7;
  color: var(--Text-Secondary);
}

.page-about__social-responsibility .page-about__text-block {
  color: var(--Text-Main);
}

.page-about__responsibility-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-about__responsibility-list li {
  background-color: var(--Card-BG);
  border-left: 5px solid var(--Gold);
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 5px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  color: var(--Text-Secondary);
  line-height: 1.7;
  font-size: 1.05em;
}

.page-about__responsibility-list li p {
  margin: 0;
}

.page-about__responsibility-list li strong {
  color: var(--Text-Main);
}

.page-about__team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__team-member {
  background-color: var(--Card-BG);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__member-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 20px;
  border: 4px solid var(--Gold);
}

.page-about__member-name {
  font-size: 1.6em;
  font-weight: bold;
  color: var(--Text-Main);
  margin-bottom: 5px;
}

.page-about__member-position {
  font-size: 1.1em;
  color: var(--Text-Secondary);
  margin-bottom: 15px;
}

.page-about__member-bio {
  font-size: 0.95em;
  line-height: 1.6;
  color: var(--Text-Secondary);
}

.page-about__customer-support .page-about__text-block {
  color: var(--Text-Main);
}

.page-about__policy-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-about__policy-list li {
  background-color: var(--Card-BG);
  border-left: 5px solid var(--Gold);
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 5px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  color: var(--Text-Secondary);
  line-height: 1.7;
  font-size: 1.05em;
}

.page-about__policy-list li p {
  margin: 0;
}

.page-about__policy-list li strong {
  color: var(--Text-Main);
}

.page-about__policy-list li a {
  color: var(--Gold);
  text-decoration: none;
  font-weight: bold;
}

.page-about__policy-list li a:hover {
  text-decoration: underline;
}

.page-about__future .page-about__text-block {
  color: var(--Text-Main);
}

.page-about__future-plans {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-about__future-plans li {
  background-color: var(--Card-BG);
  border-left: 5px solid var(--Gold);
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 5px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  color: var(--Text-Secondary);
  line-height: 1.7;
  font-size: 1.05em;
}

.page-about__future-plans li p {
  margin: 0;
}

.page-about__future-plans li strong {
  color: var(--Text-Main);
}

.page-about__faq-list {
  margin-top: 40px;
}

.page-about__faq-item {
  background-color: var(--Card-BG);
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--Text-Main);
  cursor: pointer;
  background-color: var(--Card-BG);
  border-bottom: 1px solid var(--Divider);
  transition: background-color 0.3s ease;
}

.page-about__faq-question:hover {
  background-color: rgba(17, 168, 78, 0.1);
}

.page-about__faq-item[open] > .page-about__faq-question {
  border-bottom: 1px solid var(--Gold);
}

.page-about__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: var(--Gold);
  transition: transform 0.3s ease;
}

.page-about__faq-item[open] .page-about__faq-toggle {
  transform: rotate(45deg);
}

.page-about__faq-answer {
  padding: 20px;
  font-size: 1em;
  line-height: 1.7;
  color: var(--Text-Secondary);
  background-color: var(--Card-BG);
}

.page-about__faq-answer p {
  margin: 0;
}

/* Details element specific styling for native toggle */
.page-about__faq-item summary {
  list-style: none;
}

.page-about__faq-item summary::-webkit-details-marker {
  display: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-about__timeline::before {
    left: 20px;
    transform: translateX(0);
  }

  .page-about__timeline-item {
    width: 100%;
    left: 0 !important;
    padding-left: 60px !important;
    padding-right: 20px !important;
    text-align: left !important;
  }

  .page-about__timeline-item::before {
    left: 10px !important;
    right: auto !important;
  }
}

@media (max-width: 768px) {
  .page-about__hero-content {
    padding: 15px;
  }

  .page-about__main-title {
    font-size: clamp(2em, 8vw, 2.5em);
  }

  .page-about__tagline {
    font-size: clamp(0.9em, 3vw, 1.1em);
  }

  .page-about__section {
    padding: 40px 0;
  }

  .page-about__section-title {
    font-size: clamp(1.6em, 6vw, 2em);
    margin-bottom: 30px;
  }

  .page-about__text-block {
    font-size: 1em;
    line-height: 1.7;
  }

  .page-about__content-grid,
  .page-about__values-grid,
  .page-about__product-grid,
  .page-about__feature-list,
  .page-about__team-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-about__timeline-item {
    padding-left: 50px !important;
  }

  .page-about__value-icon {
    width: 60px;
    height: 60px;
  }

  .page-about__value-title {
    font-size: 1.3em;
  }

  .page-about__product-image {
    height: 180px;
  }

  .page-about__product-title {
    font-size: 1.2em;
  }

  .page-about__btn-primary,
  .page-about__btn-secondary {
    padding: 10px 20px;
    font-size: 1em;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-about__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .page-about__responsibility-list li,
  .page-about__policy-list li,
  .page-about__future-plans li {
    padding: 15px;
    font-size: 0.95em;
  }

  .page-about__faq-question {
    padding: 15px;
    font-size: 1.1em;
  }

  .page-about__faq-answer {
    padding: 15px;
    font-size: 0.95em;
  }

  /* Mobile image, video, and container adaptations */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important; /* Ensure width is 100% on mobile */
    height: auto !important;
    display: block !important;
  }

  .page-about video,
  .page-about__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-about__section,
  .page-about__card,
  .page-about__container,
  .page-about__video-section,
  .page-about__video-container,
  .page-about__video-wrapper,
  .page-about__cta-buttons,
  .page-about__button-group,
  .page-about__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Prevent horizontal scroll */
  }

  /* Specific top padding for video section on mobile */
  .page-about__video-section {
    padding-top: 10px !important;
  }
}

@media (max-width: 480px) {
  .page-about__hero-content {
    padding: 10px;
  }

  .page-about__main-title {
    font-size: clamp(1.8em, 9vw, 2.2em);
  }

  .page-about__tagline {
    font-size: clamp(0.85em, 3.5vw, 1em);
  }

  .page-about__btn-primary,
  .page-about__btn-secondary {
    font-size: 0.95em;
    padding: 10px 15px;
  }
}