:root {
  --primary-color: #0A2463; /* Midnight Blue */
  --secondary-color: #FFD700; /* Gold */
  --text-light: #ffffff;
  --text-dark: #333333;
  --bg-dark: #000000; /* Body background */
  --bg-light: #f5f5f5;
  --card-bg-dark-mode: rgba(255, 255, 255, 0.1);
  --card-bg-light-mode: #ffffff;
  --border-color: #e0e0e0;
}

.page-contact {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-light); /* Default text color for dark body background */
  background-color: var(--bg-dark); /* Ensure consistency with body background */
  padding-bottom: 60px; /* Space for footer */
}

.page-contact__hero-section {
  padding-top: 120px; /* Adjust based on shared header height */
  padding-bottom: 60px;
  background: var(--primary-color);
  color: var(--text-light);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-contact__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.page-contact__main-title {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 20px;
  color: var(--secondary-color);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-contact__description {
  font-size: 18px;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-light);
}

.page-contact__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

.page-contact__cta-button {
  display: inline-block;
  padding: 15px 40px;
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: none;
  cursor: pointer;
  max-width: 100%; /* Ensure responsiveness */
  box-sizing: border-box;
  white-space: normal; /* Allow text wrap */
  word-wrap: break-word; /* Allow text break */
}

.page-contact__btn-primary {
  background: var(--secondary-color); /* Gold */
  color: var(--primary-color); /* Midnight Blue text for contrast */
}

.page-contact__btn-primary:hover {
  background: #e6c200; /* Darker gold */
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.page-contact__btn-secondary {
  background: transparent;
  color: var(--secondary-color); /* Gold text */
  border: 2px solid var(--secondary-color);
}

.page-contact__btn-secondary:hover {
  background: var(--secondary-color); /* Gold background */
  color: var(--primary-color); /* Midnight Blue text */
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* Contact Info Section */
.page-contact__info-section {
  padding: 80px 0;
  background: var(--bg-dark); /* Dark background */
  color: var(--text-light); /* Light text */
}

.page-contact__section-title {
  font-size: 38px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  color: var(--secondary-color);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.page-contact__text-block {
  font-size: 16px;
  margin-bottom: 20px;
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-light);
}

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

.page-contact__card {
  background: var(--card-bg-dark-mode); /* Semi-transparent white for dark mode */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-light);
  height: 100%; /* Ensure cards have equal height */
  box-sizing: border-box;
}

.page-contact__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

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

.page-contact__card-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.page-contact__card-text {
  font-size: 16px;
  margin-bottom: 20px;
  flex-grow: 1; /* Push link to bottom */
}

.page-contact__card-link {
  display: inline-block;
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: bold;
  font-size: 16px;
  padding: 10px 20px;
  border: 2px solid var(--secondary-color);
  border-radius: 5px;
  transition: background-color 0.3s ease, color 0.3s ease;
  margin-top: auto; /* Push to bottom */
  max-width: 100%; /* Responsive */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-contact__card-link:hover {
  background-color: var(--secondary-color);
  color: var(--primary-color);
}

.page-contact__card-address {
  font-style: normal;
  font-size: 16px;
  color: var(--text-light);
  margin-top: 10px;
}

.page-contact__hours-of-operation {
  margin-top: 60px;
  text-align: center;
}

.page-contact__sub-title {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 20px;
  color: var(--secondary-color);
}

.page-contact__hours-of-operation ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 16px;
  color: var(--text-light);
}

.page-contact__hours-of-operation li {
  margin-bottom: 10px;
}

/* Contact Form Section */
.page-contact__form-section {
  padding: 80px 0;
  background: var(--primary-color); /* Midnight Blue background */
  color: var(--text-light); /* Light text */
}

.page-contact__contact-form {
  max-width: 700px;
  margin: 0 auto;
  background: var(--card-bg-dark-mode);
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-contact__form-group {
  margin-bottom: 20px;
}

.page-contact__form-label {
  display: block;
  font-size: 16px;
  margin-bottom: 8px;
  font-weight: bold;
  color: var(--secondary-color);
}

.page-contact__form-input,
.page-contact__form-textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #444;
  border-radius: 5px;
  background-color: #222;
  color: var(--text-light);
  font-size: 16px;
  box-sizing: border-box;
  transition: border-color 0.3s ease;
}

.page-contact__form-input::placeholder,
.page-contact__form-textarea::placeholder {
  color: #aaa;
}

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
  border-color: var(--secondary-color);
  outline: none;
}

.page-contact__form-textarea {
  resize: vertical;
  min-height: 120px;
}

.page-contact__submit-button {
  display: block;
  width: 100%;
  padding: 15px 20px;
  background: var(--secondary-color);
  color: var(--primary-color);
  border: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  max-width: 100%; /* Ensure responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-contact__submit-button:hover {
  background: #e6c200;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* FAQ Section */
.page-contact__faq-section {
  padding: 80px 0;
  background: var(--bg-dark); /* Dark background */
  color: var(--text-light); /* Light text */
}

.page-contact__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
}

/* FAQ container styles */
.page-contact__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
  background: #1a1a1a; /* Darker background for FAQ item */
}

/* FAQ default state - answer hidden */
.page-contact__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 15px;
  opacity: 0;
  color: #ccc; /* Lighter text for answer */
}

/* FAQ expanded state - 🚨 Use !important and sufficiently large max-height to ensure expansion */
.page-contact__faq-item.active .page-contact__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng!important để đảm bảo độ ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 20px 15px !important;
  opacity: 1;
  background: #2a2a2a; /* Slightly lighter background for active answer */
  border-radius: 0 0 5px 5px;
}

/* Question styles */
.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
  color: var(--secondary-color); /* Gold text for questions */
}

.page-contact__faq-question:hover {
  background: #2a2a2a;
  border-color: var(--secondary-color);
}

.page-contact__faq-question:active {
  background: #3a3a3a;
}

/* Question title styles */
.page-contact__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* Prevent h3 tag from blocking click events */
  color: inherit; /* Inherit color from parent */
}

/* Toggle icon */
.page-contact__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: var(--secondary-color);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* Prevent icon from blocking click events */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-contact__faq-item.active .page-contact__faq-toggle {
  color: #ffffff; /* White color for active toggle */
  transform: rotate(45deg); /* Rotate for 'x' effect */
}


/* Brand Section */
.page-contact__brand-section {
  padding: 80px 0;
  background: var(--primary-color); /* Midnight Blue background */
  color: var(--text-light); /* Light text */
}

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

.page-contact__brand-item {
  background: var(--card-bg-dark-mode);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  box-sizing: border-box;
}

.page-contact__brand-image {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
  filter: drop-shadow(0 0 5px var(--secondary-color)); /* Visual effect, not color change */
}

.page-contact__brand-item .page-contact__sub-title {
  font-size: 24px;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.page-contact__brand-item .page-contact__text-block {
  text-align: center;
  font-size: 16px;
  color: var(--text-light);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .page-contact__main-title {
    font-size: 42px;
  }
  .page-contact__section-title {
    font-size: 34px;
  }
  .page-contact__sub-title {
    font-size: 26px;
  }
  .page-contact__contact-cards,
  .page-contact__brand-content {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-contact__hero-section {
    padding-top: 100px !important; /* Mobile fixed nav bar padding */
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-contact__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-contact__main-title {
    font-size: 32px;
  }
  .page-contact__description {
    font-size: 16px;
    margin-bottom: 30px;
  }
  .page-contact__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-contact__cta-button {
    padding: 12px 25px;
    font-size: 16px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* Sections */
  .page-contact__info-section,
  .page-contact__form-section,
  .page-contact__faq-section,
  .page-contact__brand-section {
    padding: 60px 0;
  }
  .page-contact__section-title {
    font-size: 28px;
    margin-bottom: 30px;
  }
  .page-contact__text-block {
    font-size: 15px;
  }

  /* Contact Cards */
  .page-contact__contact-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-contact__card {
    padding: 25px;
    border-radius: 8px;
  }
  .page-contact__card-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 15px;
  }
  .page-contact__card-title {
    font-size: 20px;
    margin-bottom: 10px;
  }
  .page-contact__card-text,
  .page-contact__card-link,
  .page-contact__card-address {
    font-size: 15px;
  }

  /* Form */
  .page-contact__contact-form {
    padding: 30px;
  }
  .page-contact__form-label {
    font-size: 15px;
  }
  .page-contact__form-input,
  .page-contact__form-textarea {
    padding: 10px 12px;
    font-size: 15px;
  }
  .page-contact__submit-button {
    padding: 12px 20px;
    font-size: 16px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* FAQ */
  .page-contact__faq-question {
    padding: 15px;
    flex-wrap: wrap;
  }
  .page-contact__faq-question h3 {
    font-size: 15px;
    margin-bottom: 0;
    width: calc(100% - 40px);
  }
  .page-contact__faq-toggle {
    margin-left: 10px;
    width: 24px;
    height: 24px;
    font-size: 20px;
  }
  .page-contact__faq-answer {
    padding: 0 15px;
  }
  .page-contact__faq-item.active .page-contact__faq-answer {
    padding: 15px !important;
  }

  /* Brand Section */
  .page-contact__brand-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-contact__brand-item {
    padding: 25px;
  }
  .page-contact__brand-image {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
  }
  .page-contact__brand-item .page-contact__sub-title {
    font-size: 20px;
  }
  .page-contact__brand-item .page-contact__text-block {
    font-size: 15px;
  }

  /* All images responsive */
  .page-contact img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  /* All containers for images/videos/buttons responsive */
  .page-contact__section,
  .page-contact__card,
  .page-contact__container,
  .page-contact__contact-form,
  .page-contact__faq-list,
  .page-contact__brand-content,
  .page-contact__cta-buttons {
    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 */
  }

  /* Specific padding adjustments for sections to avoid double padding */
  .page-contact__info-section .page-contact__container,
  .page-contact__form-section .page-contact__container,
  .page-contact__faq-section .page-contact__container,
  .page-contact__brand-section .page-contact__container {
    padding-left: 0;
    padding-right: 0;
  }
}

/* Color contrast fixes (if needed, but already handled by dark/light mode variables) */
.page-contact__dark-bg {
  color: var(--text-light); /* Deep background with light text */
}

.page-contact__light-bg {
  color: var(--text-dark); /* Light background with dark text */
}