/* style/about.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm padding-top */

:root {
  --choangclub-primary: #11A84E;
  --choangclub-secondary: #22C768;
  --choangclub-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --choangclub-card-bg: #11271B;
  --choangclub-background: #08160F;
  --choangclub-text-main: #F2FFF6;
  --choangclub-text-secondary: #A7D9B8;
  --choangclub-border: #2E7A4E;
  --choangclub-glow: #57E38D;
  --choangclub-gold: #F2C14E;
  --choangclub-divider: #1E3A2A;
  --choangclub-deep-green: #0A4B2C;
}

.page-about {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--choangclub-text-main); /* Deep green background, so light text */
  background-color: var(--choangclub-background);
}

.page-about__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 60px 0;
  overflow: hidden;
  background-color: var(--choangclub-deep-green);
}

.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;
  filter: brightness(0.8); /* Slightly dim the image for better text contrast */
}

.page-about__hero-content {
  position: relative;
  text-align: center;
  max-width: 900px;
  margin-top: 40px;
  padding: 0 20px;
  z-index: 10;
}

.page-about__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--choangclub-text-main);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-about__description {
  font-size: 1.15rem;
  color: var(--choangclub-text-secondary);
  margin-bottom: 30px;
}

.page-about__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-about__btn-primary,
.page-about__btn-secondary,
.page-about__btn-link {
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__btn-primary {
  background: var(--choangclub-button-gradient);
  color: var(--choangclub-text-main);
  border: none;
}

.page-about__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

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

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

.page-about__btn-link {
  background: none;
  color: var(--choangclub-text-secondary);
  border: 1px solid transparent;
  padding: 10px 20px;
  text-decoration: underline;
}

.page-about__btn-link:hover {
  color: var(--choangclub-primary);
}

.page-about__content-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  box-sizing: border-box;
}

.page-about__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--choangclub-primary);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.page-about__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--choangclub-gold);
  margin: 15px auto 0 auto;
  border-radius: 2px;
}

.page-about__text-block {
  font-size: 1.05rem;
  color: var(--choangclub-text-secondary);
  margin-bottom: 20px;
  text-align: justify;
}

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

.page-about__card-bg {
  background-color: var(--choangclub-card-bg);
  padding: 60px 20px;
  border-radius: 15px;
  margin: 40px auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-about__dark-section {
  background-color: var(--choangclub-deep-green);
  color: var(--choangclub-text-main);
  padding: 60px 20px;
  margin: 40px auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

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

.page-about__value-card {
  padding: 30px;
  border-radius: 10px;
  background-color: var(--choangclub-card-bg);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
}

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

.page-about__value-text {
  font-size: 1rem;
  color: var(--choangclub-text-secondary);
}

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

.page-about__value-list li {
  color: var(--choangclub-text-secondary);
  margin-bottom: 10px;
  padding-left: 25px;
  position: relative;
}

.page-about__value-list li::before {
  content: '✓';
  color: var(--choangclub-primary);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-about__list-strong {
  color: var(--choangclub-text-main);
}

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

.page-about__feature-card {
  background-color: var(--choangclub-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-about__feature-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
}

.page-about__feature-title {
  font-size: 1.4rem;
  color: var(--choangclub-primary);
  margin-bottom: 10px;
}

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

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

.page-about__service-item {
  background-color: var(--choangclub-deep-green);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-about__service-title {
  font-size: 1.4rem;
  color: var(--choangclub-gold);
  margin-bottom: 10px;
}

.page-about__service-text {
  font-size: 0.95rem;
  color: var(--choangclub-text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

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

.page-about__commitment-list li {
  color: var(--choangclub-text-secondary);
  margin-bottom: 15px;
  padding-left: 30px;
  position: relative;
  font-size: 1.05rem;
}

.page-about__commitment-list li::before {
  content: '★';
  color: var(--choangclub-gold);
  position: absolute;
  left: 0;
  font-size: 1.2rem;
  top: -2px;
}

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

.page-about__faq-item {
  background-color: var(--choangclub-card-bg);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--choangclub-primary);
  background-color: var(--choangclub-deep-green);
  border-bottom: 1px solid var(--choangclub-divider);
}

.page-about__faq-question:hover {
  filter: brightness(1.1);
}

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

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

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

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

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

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

.page-about__cta-section {
  text-align: center;
  padding: 80px 20px;
  background-color: var(--choangclub-deep-green);
  border-radius: 15px;
  margin: 40px auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-about__cta-section .page-about__description {
  font-size: 1.2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: var(--choangclub-text-main);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-about__hero-content {
    margin-top: 20px;
  }
  .page-about__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }
  .page-about__description {
    font-size: 1rem;
  }
  .page-about__content-area {
    padding: 40px 20px;
  }
  .page-about__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  }
  .page-about__values-grid, .page-about__feature-grid, .page-about__service-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
  .page-about__feature-card, .page-about__service-item {
    padding: 25px;
  }
  .page-about__cta-section {
    padding: 60px 20px;
  }
}

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

  .page-about__hero-section {
    padding-bottom: 40px;
  }
  .page-about__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
  }
  .page-about__description {
    font-size: 0.95rem;
  }
  .page-about__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }
  .page-about__btn-primary, .page-about__btn-secondary, .page-about__btn-link {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 0.95rem;
  }
  .page-about__content-area, .page-about__card-bg, .page-about__dark-section, .page-about__cta-section {
    padding: 30px 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    margin: 20px auto !important; /* Adjust margin for mobile */
  }
  .page-about__section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 25px;
  }
  .page-about__text-block {
    font-size: 0.9rem;
  }
  .page-about__image-inline {
    margin: 20px auto;
  }
  .page-about__values-grid, .page-about__feature-grid, .page-about__service-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-about__value-card, .page-about__feature-card, .page-about__service-item {
    padding: 20px;
  }
  .page-about__feature-icon {
    width: 80px;
    height: 80px;
  }
  .page-about__feature-title, .page-about__service-title, .page-about__value-title {
    font-size: 1.2rem;
  }
  .page-about__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }
  .page-about__faq-answer {
    padding: 15px 20px;
    font-size: 0.9rem;
  }

  /* Mobile image specific rules */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  /* Mobile button specific rules */
  .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 !important;
    padding-right: 15px !important;
  }
  .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 !important;
    padding-right: 15px !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
  }
  .page-about__cta-buttons {
    flex-direction: column !important;
  }
}

@media (max-width: 480px) {
  .page-about__hero-content {
    padding: 0 15px;
  }
  .page-about__main-title {
    font-size: clamp(1.5rem, 8vw, 2.2rem);
  }
  .page-about__description {
    font-size: 0.85rem;
  }
  .page-about__section-title {
    font-size: clamp(1.3rem, 7vw, 1.8rem);
  }
  .page-about__text-block {
    font-size: 0.85rem;
  }
  .page-about__faq-question {
    font-size: 0.95rem;
    padding: 12px 15px;
  }
  .page-about__faq-answer {
    padding: 12px 15px;
    font-size: 0.85rem;
  }
}