/* style/about.css */

/* Base styles for the page-about scope */
.page-about {
  font-family: 'Arial', sans-serif;
  color: var(--text-main);
  background-color: var(--background-color);
  line-height: 1.6;
}

/* Color variables based on custom palette */
.page-about {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --background-color: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green: #0A4B2C;
}

/* Ensure text contrast on dark backgrounds */
.page-about__dark-section {
  background-color: var(--background-color);
  color: var(--text-main);
}

.page-about__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  text-align: center;
  overflow: hidden;
}

.page-about__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 30px;
}

.page-about__hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-about__main-title {
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: 0.5px;
}

.page-about__intro-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-about__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
}

.page-about__btn-primary,
.page-about__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-about__btn-primary {
  background: var(--button-gradient);
  color: var(--text-main);
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-about__btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-about__btn-secondary:hover {
  background: var(--primary-color);
  color: var(--text-main);
  transform: translateY(-2px);
}

.page-about__section {
  padding: 80px 20px;
  text-align: center;
  background-color: var(--deep-green);
  color: var(--text-main);
}

.page-about__section:nth-of-type(even) {
  background-color: var(--background-color);
}

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

.page-about__section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--gold-color);
  margin-bottom: 25px;
  line-height: 1.3;
}

.page-about__section-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 900px;
  margin: 0 auto 50px auto;
}

.page-about__content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
  justify-content: center;
  text-align: left;
  margin-top: 40px;
}

.page-about__content-grid:nth-child(even) {
  flex-direction: row-reverse;
}

.page-about__text-block {
  flex: 1;
  min-width: 300px;
  max-width: 600px;
}

.page-about__sub-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--gold-color);
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-about__text-block p {
  color: var(--text-main);
  margin-bottom: 15px;
}

.page-about__image-block {
  flex: 1;
  min-width: 300px;
  max-width: 500px;
}

.page-about__image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  min-width: 200px; /* Ensure images are not too small */
  min-height: 200px; /* Ensure images are not too small */
}

.page-about__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-about__feature-card {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  text-align: center;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  height: 100%;
  box-sizing: border-box;
}

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

.page-about__card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  flex-grow: 1;
}

.page-about__cta-bottom {
  margin-top: 60px;
}

.page-about__commitment-list {
  list-style: none;
  padding: 0;
  margin-top: 20px;
  text-align: left;
}

.page-about__commitment-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 10px;
  color: var(--text-main);
  font-size: 1rem;
}

.page-about__list-icon {
  color: var(--glow-color);
  font-size: 1.2rem;
  margin-right: 10px;
  line-height: 1;
}

.page-about__faq-section {
  background-color: var(--deep-green);
  padding: 80px 20px;
  color: var(--text-main);
}

.page-about__faq-list {
  max-width: 900px;
  margin: 50px auto 0 auto;
  text-align: left;
}

.page-about__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--gold-color);
  cursor: pointer;
  background-color: var(--card-bg);
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

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

.page-about__faq-question:hover {
  background-color: var(--deep-green);
}

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

.page-about__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 20px;
  color: var(--glow-color);
}

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

.page-about__cta-final {
  padding: 100px 20px;
  background-color: var(--background-color);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-about__hero-section {
    padding: 40px 15px;
    padding-top: 10px;
  }
  .page-about__hero-image {
    margin-bottom: 20px;
  }
  .page-about__main-title {
    font-size: clamp(2rem, 4.5vw, 2.8rem);
  }
  .page-about__intro-text {
    font-size: 1rem;
  }
  .page-about__section {
    padding: 60px 15px;
  }
  .page-about__section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  }
  .page-about__section-description {
    font-size: 1rem;
    margin-bottom: 40px;
  }
  .page-about__content-grid {
    flex-direction: column;
    gap: 30px;
  }
  .page-about__image-block, .page-about__text-block {
    max-width: 100%;
  }
  .page-about__features-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }
  .page-about__card-title {
    font-size: 1.4rem;
  }
  .page-about__faq-question {
    font-size: 1.05rem;
    padding: 18px 22px;
  }
  .page-about__faq-answer {
    padding: 0 22px 18px 22px;
  }
}

@media (max-width: 768px) {
  .page-about {
    font-size: 16px;
    line-height: 1.6;
  }

  /* Mobile image responsiveness */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  /* Mobile video responsiveness (if any) */
  .page-about video,
  .page-about__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-about__video-section,
  .page-about__video-container,
  .page-about__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
    padding-top: 10px !important; /* Small top padding for video section */
  }

  /* Mobile button responsiveness */
  .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;
  }
  .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;
    flex-wrap: wrap !important; /* Ensure buttons wrap */
    gap: 10px;
    flex-direction: column; /* Stack buttons vertically on mobile */
  }

  /* General container mobile适配 */
  .page-about__container,
  .page-about__section,
  .page-about__card,
  .page-about__content-grid,
  .page-about__features-grid,
  .page-about__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-about__hero-section {
    padding-left: 0;
    padding-right: 0;
  }
  .page-about__hero-content {
    padding: 0 15px;
  }
  .page-about__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
  }
  .page-about__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
  }
  .page-about__feature-card {
    padding: 25px;
  }
  .page-about__card-title {
    font-size: 1.3rem;
  }
  .page-about__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }
  .page-about__faq-answer {
    padding: 0 20px 15px 20px;
  }
  .page-about__cta-final {
    padding: 60px 15px;
  }
}