:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --bg-color: #08160F; /* Deep Greenish Black */
  --card-bg-color: #11271B; /* Dark Green */
  --text-main-color: #F2FFF6; /* Off-white */
  --text-secondary-color: #A7D9B8; /* Light Greenish Grey */
  --border-color: #2E7A4E; /* Medium Green */
  --divider-color: #1E3A2A; /* Darker Green */
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-about {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main-color); /* Default text color for dark background */
  background-color: var(--bg-color);
}

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

.page-about__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 10px 0 60px 0; /* 10px top padding, 60px bottom padding */
  overflow: hidden;
  color: var(--text-main-color);
}

.page-about__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Limit height for hero image */
  overflow: hidden;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Slightly darken image for text readability */
}

.page-about__hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 800px;
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
  z-index: 10;
  text-align: center;
}

.page-about__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em); /* Responsive font size */
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-main-color);
  line-height: 1.2;
}

.page-about__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: var(--text-secondary-color);
}

.page-about__cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: var(--button-gradient);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: none;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-about__section-title {
  font-size: clamp(1.8em, 3vw, 2.8em);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-main-color);
  padding-top: 40px;
}

.page-about__mission-vision-section,
.page-about__history-section,
.page-about__values-section,
.page-about__platform-advantages-section,
.page-about__team-section,
.page-about__commitment-section,
.page-about__faq-section {
  padding: 60px 0;
  border-bottom: 1px solid var(--divider-color);
}

.page-about__cta-section {
  padding: 80px 0;
  text-align: center;
  background-color: var(--deep-green);
}

.page-about__dark-section {
  background-color: var(--card-bg-color);
  color: var(--text-main-color);
}

.page-about__mission-vision-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-about__history-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: center;
}

.page-about__history-text p {
  margin-bottom: 20px;
  color: var(--text-secondary-color);
}

.page-about__history-image-wrapper {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.page-about__history-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__history-list {
  list-style-type: disc;
  margin-left: 25px;
  color: var(--text-secondary-color);
}

.page-about__history-list li {
  margin-bottom: 10px;
}

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

.page-about__card {
  background-color: var(--card-bg-color);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  text-align: center;
  border: 1px solid var(--border-color);
  color: var(--text-main-color);
}

.page-about__card-title {
  font-size: 1.5em;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--gold-color);
}

.page-about__card p {
  color: var(--text-secondary-color);
}

.page-about__platform-image-wrapper {
  margin-top: 40px;
  width: 100%;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.page-about__platform-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__team-member .page-about__team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 20px auto;
  border: 3px solid var(--primary-color);
}

.page-about__commitment-list {
  list-style-type: none;
  padding-left: 0;
  color: var(--text-secondary-color);
}

.page-about__commitment-list li {
  background-color: var(--card-bg-color);
  margin-bottom: 15px;
  padding: 20px;
  border-radius: 8px;
  border-left: 5px solid var(--primary-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  color: var(--text-main-color);
  font-size: 1.1em;
}

.page-about__commitment-list li strong {
  color: var(--gold-color);
}

.page-about__faq-list {
  margin-top: 30px;
}

.page-about__faq-item {
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.2em;
  font-weight: 600;
  color: var(--text-main-color);
  cursor: pointer;
  background-color: var(--card-bg-color);
  transition: background-color 0.3s ease;
}

.page-about__faq-question:hover {
  background-color: rgba(var(--primary-color-rgb), 0.2);
}

.page-about__faq-qtext {
  flex-grow: 1;
}

.page-about__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: var(--primary-color);
}

.page-about__faq-item[open] .page-about__faq-toggle {
  content: '−';
}

.page-about__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: var(--text-secondary-color);
  line-height: 1.7;
}

.page-about__faq-answer p {
  margin-bottom: 10px;
}

/* Responsive adjustments */
@media (min-width: 769px) {
  .page-about__hero-content {
    position: static;
    transform: none;
    padding: 40px 20px;
    background-color: rgba(0, 0, 0, 0.6); /* Overlay for text on desktop */
    border-radius: 12px;
  }
  .page-about__hero-section {
    padding-bottom: 80px;
  }
  .page-about__hero-image {
    filter: brightness(0.4); /* Darken more for better contrast */
  }
  .page-about__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
  }
  .page-about__hero-content {
    position: relative;
    z-index: 2;
    margin-top: 100px; /* Adjust to place content below header */
  }
  .page-about__mission-vision-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-about__history-content {
    grid-template-columns: 1fr 1fr;
  }
  .page-about__history-image-wrapper {
    order: 2; /* Image on right */
  }
  .page-about__history-text {
    order: 1; /* Text on left */
    text-align: left;
  }
  .page-about__platform-advantages-section .page-about__advantages-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about__platform-image-wrapper {
    margin-top: 60px;
  }
}

@media (max-width: 768px) {
  .page-about__hero-content {
    padding: 20px;
    position: relative;
    transform: none;
    top: auto;
    left: auto;
    background-color: rgba(0, 0, 0, 0.7); /* Ensure text readability on mobile */
    border-radius: 0;
    margin-top: 0; /* Remove top margin for mobile */
  }
  .page-about__hero-section {
    padding: 10px 0 30px 0; /* Adjust padding for mobile */
  }
  .page-about__hero-image-wrapper {
    position: relative;
    max-height: 300px;
  }
  .page-about__main-title {
    font-size: 2em;
  }
  .page-about__description {
    font-size: 1em;
  }
  .page-about__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-about__card {
    padding: 25px;
  }
  .page-about__history-content {
    grid-template-columns: 1fr;
  }
  .page-about__history-image-wrapper {
    order: initial;
  }
  .page-about__history-text {
    order: initial;
    text-align: left;
  }

  /* Mobile responsive for images */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  /* Mobile responsive for videos (if any, though none here) */
  .page-about video,
  .page-about__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  /* Mobile responsive for containers */
  .page-about__section,
  .page-about__card,
  .page-about__container,
  .page-about__hero-content,
  .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; /* Ensure content doesn't overflow */
  }

  /* Mobile responsive for buttons */
  .page-about__cta-button,
  .page-about__btn-primary,
  .page-about__btn-secondary,
  .page-about a[class*="button"],
  .page-about a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
    text-align: center;
  }
  
  .page-about__cta-buttons,
  .page-about__button-group,
  .page-about__btn-container {
    flex-wrap: wrap !important;
    gap: 10px;
    display: flex;
    flex-direction: column;
  }

  .page-about__video-section {
    padding-top: 10px !important;
  }
}

/* Ensure all content images are at least 200px */
.page-about__history-image,
.page-about__platform-image,
.page-about__team-avatar {
  min-width: 200px;
  min-height: 200px;
}

/* No filter on images */
.page-about img {
  filter: none;
}

/* Special filter for hero image for text contrast, not color change */
.page-about__hero-image {
  filter: brightness(0.7);
}
@media (min-width: 769px) {
  .page-about__hero-image {
    filter: brightness(0.4);
  }
}