.page-about-us {
  font-family: 'Arial', sans-serif;
  background-color: #08160F; /* Nền tối */
  color: #F2FFF6; /* Chữ sáng */
  line-height: 1.6;
}

.page-about-us__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

.page-about-us__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 10px 0 60px 0; /* body đã có padding-top, đây chỉ là phần trang trí */
  overflow: hidden;
}

.page-about-us__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-about-us__hero-content {
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -100px; /* Điều chỉnh để nội dung không quá xa ảnh */
  position: relative;
  z-index: 1;
  background-color: rgba(17, 39, 27, 0.8); /* Card BG với độ trong suốt */
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  border: 1px solid #2E7A4E;
}

.page-about-us__main-title {
  font-size: clamp(2em, 4vw, 3.5em);
  color: #F2C14E; /* Màu Gold */
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-about-us__hero-description {
  font-size: 1.1em;
  color: #A7D9B8;
  margin-bottom: 30px;
}

.page-about-us__section-title {
  font-size: clamp(1.8em, 3vw, 2.8em);
  color: #F2C14E; /* Màu Gold */
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-about-us__introduction-section,
.page-about-us__why-choose-us,
.page-about-us__responsible-gaming-section,
.page-about-us__team-section,
.page-about-us__faq-section,
.page-about-us__cta-bottom-section {
  padding: 80px 0;
}

.page-about-us__dark-section {
  background-color: #08160F;
  color: #F2FFF6;
}

.page-about-us__light-bg {
  background-color: #11271B; /* Sử dụng Card BG cho phần sáng hơn */
  color: #F2FFF6;
}

.page-about-us__text-block {
  font-size: 1em;
  color: #F2FFF6;
  margin-bottom: 20px;
  text-align: justify;
}

.page-about-us__text-secondary {
  color: #A7D9B8;
}

.page-about-us__grid-two-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.page-about-us__card {
  background-color: #11271B; /* Card BG */
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  border: 1px solid #2E7A4E;
  color: #F2FFF6;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-about-us__card-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  display: block;
}

.page-about-us__card-title {
  font-size: 1.5em;
  color: #F2C14E; /* Gold */
  margin-bottom: 15px;
  font-weight: bold;
}

.page-about-us__card-text {
  font-size: 0.95em;
  color: #A7D9B8;
}

.page-about-us__list {
  list-style-type: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.page-about-us__list li {
  margin-bottom: 10px;
  color: #F2FFF6;
  position: relative;
  padding-left: 25px;
}

.page-about-us__list li::before {
  content: '✔';
  color: #2AD16F;
  position: absolute;
  left: 0;
  top: 0;
}

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

.page-about-us__feature-item {
  background-color: #11271B;
  border-radius: 10px;
  padding: 25px;
  border: 1px solid #2E7A4E;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.page-about-us__feature-title {
  font-size: 1.3em;
  color: #2AD16F;
  margin-bottom: 10px;
  font-weight: bold;
}

.page-about-us__feature-description {
  font-size: 0.95em;
  color: #A7D9B8;
}

.page-about-us__image-full-width {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 30px auto;
  border-radius: 10px;
  object-fit: cover;
}

.page-about-us__image-centered {
  display: block;
  margin: 40px auto 0 auto;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
}

.page-about-us__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-about-us__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #F2FFF6;
  border: 2px solid transparent;
}

.page-about-us__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(42,209,111,0.4);
}

.page-about-us__btn-secondary {
  background: transparent;
  color: #2AD16F;
  border: 2px solid #2AD16F;
}

.page-about-us__btn-secondary:hover {
  background: #2AD16F;
  color: #08160F;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(42,209,111,0.2);
}

.page-about-us__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

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

.page-about-us__faq-item {
  background-color: #11271B;
  border: 1px solid #2E7A4E;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #F2FFF6;
}

.page-about-us__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-weight: bold;
  font-size: 1.1em;
  color: #F2FFF6;
  background-color: #0A4B2C; /* Deep Green */
}

.page-about-us__faq-question:hover {
  background-color: #13994A;
}

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

.page-about-us__faq-item summary {
  list-style: none;
}

.page-about-us__faq-qtext {
  flex-grow: 1;
}

.page-about-us__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
  color: #F2C14E;
}

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

.page-about-us__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 0.95em;
  color: #A7D9B8;
  text-align: justify;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .page-about-us__hero-content {
    padding: 30px 15px;
    margin-top: -50px;
  }

  .page-about-us__main-title {
    font-size: 2em;
  }

  .page-about-us__hero-description {
    font-size: 1em;
  }

  .page-about-us__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-about-us__introduction-section,
  .page-about-us__why-choose-us,
  .page-about-us__responsible-gaming-section,
  .page-about-us__team-section,
  .page-about-us__faq-section,
  .page-about-us__cta-bottom-section {
    padding: 50px 0;
  }

  .page-about-us__grid-two-columns {
    grid-template-columns: 1fr;
  }

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

  .page-about-us__cta-button {
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
  }

  .page-about-us img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-about-us__hero-section,
  .page-about-us__introduction-section .page-about-us__container,
  .page-about-us__mission-values-section .page-about-us__container,
  .page-about-us__why-choose-us .page-about-us__container,
  .page-about-us__responsible-gaming-section .page-about-us__container,
  .page-about-us__team-section .page-about-us__container,
  .page-about-us__faq-section .page-about-us__container,
  .page-about-us__cta-bottom-section .page-about-us__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-about-us__text-block {
    font-size: 0.9em;
  }

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

  .page-about-us__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }

  .page-about-us__faq-answer {
    padding: 0 20px 15px 20px;
  }
}