/* style/contact.css */
.page-contact {
  color: #ffffff; /* Body background is dark, so text should be light */
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  background-color: #000000; /* Ensure main content area has a dark background for contrast */
}

.page-contact__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 60px 0; /* Small top padding, more bottom padding */
  text-align: center;
  overflow: hidden;
  background-color: #000000; /* Ensure dark background for hero */
}

.page-contact__hero-image-wrapper {
  width: 100%;
  max-height: 500px; /* Limit height for hero image */
  overflow: hidden;
}

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

.page-contact__hero-content {
  position: relative; /* Not absolute, for upper-image-lower-text */
  z-index: 10;
  max-width: 900px;
  padding: 40px 20px;
  background-color: rgba(0, 0, 0, 0.7); /* Semi-transparent overlay for text readability */
  margin-top: -80px; /* Pull content slightly over the image for visual flow */
  border-radius: 10px;
}

.page-contact__main-title {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: #FFFF00; /* Register/Login font color for prominence */
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: 0.5px;
}

.page-contact__description {
  font-size: 1.15rem;
  color: #f0f0f0;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-contact__btn-primary {
  display: inline-block;
  background-color: #C30808; /* Register/Login color */
  color: #FFFF00; /* Register/Login font color */
  padding: 15px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: background-color 0.3s ease, color 0.3s ease;
  border: 2px solid transparent;
}

.page-contact__btn-primary:hover {
  background-color: #e02020;
  color: #ffffff;
}

.page-contact__btn-secondary {
  display: inline-block;
  background-color: #017439;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background-color 0.3s ease, color 0.3s ease;
  border: 2px solid #017439;
}

.page-contact__btn-secondary:hover {
  background-color: #005a2b;
  color: #ffffff;
}

.page-contact__dark-section {
  background-color: #017439; /* Brand primary color for dark sections */
  color: #ffffff;
}

.page-contact__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-contact__section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: #FFFF00; /* Highlight titles */
}

.page-contact__section-description {
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #f0f0f0;
}

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

.page-contact__channel-card,
.page-contact__issue-card {
  background-color: rgba(255, 255, 255, 0.1); /* Light background for cards in dark section */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #ffffff;
  min-height: 350px; /* Ensure cards have minimum height */
}

.page-contact__channel-icon {
  width: 100%;
  height: 200px; /* Fixed height for consistent card image display */
  object-fit: contain;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-contact__card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #FFFF00; /* Highlight card titles */
}

.page-contact__card-text {
  font-size: 1rem;
  color: #f0f0f0;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-contact__contact-method {
  font-size: 1rem;
  color: #f0f0f0;
  margin-top: 15px;
  font-weight: 500;
}

.page-contact__email-link, .page-contact__phone-link {
  color: #FFFF00; /* Link color for email/phone */
  text-decoration: none;
}

.page-contact__email-link:hover, .page-contact__phone-link:hover {
  text-decoration: underline;
}

.page-contact__faq-section {
  background-color: #000000; /* Darker background for contrast */
  color: #ffffff;
  padding: 60px 20px;
}

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

.page-contact__faq-item {
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #ffffff;
}

.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: #f0f0f0;
  list-style: none; /* For <summary> */
}

.page-contact__faq-question::-webkit-details-marker {
  display: none; /* For <summary> */
}

.page-contact__faq-item[open] .page-contact__faq-question {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.page-contact__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: #FFFF00;
}

.page-contact__faq-answer {
  padding: 20px;
  font-size: 1rem;
  color: #cccccc;
  line-height: 1.6;
}

.page-contact__commitment-section {
  background-color: #000000; /* Dark background */
  color: #ffffff;
  padding: 60px 20px;
}

.page-contact__commitment-list {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.page-contact__commitment-list li {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 8px;
  font-size: 1.05rem;
  color: #f0f0f0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
}

.page-contact__commitment-list li strong {
  color: #FFFF00;
  margin-right: 10px;
}

.page-contact__commitment-text {
  font-size: 1.1rem;
  text-align: center;
  color: #f0f0f0;
}

.page-contact__form-section {
  background-color: #017439; /* Brand primary color for form section */
  color: #ffffff;
  padding: 60px 20px;
}

.page-contact__contact-form {
  max-width: 700px;
  margin: 0 auto;
  background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent dark background for form */
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
}

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

.page-contact__form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 1.05rem;
  color: #f0f0f0;
}

.page-contact__form-input,
.page-contact__form-textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 5px;
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 1rem;
  box-sizing: border-box;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

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

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
  border-color: #FFFF00;
  background-color: rgba(255, 255, 255, 0.2);
  outline: none;
}

.page-contact__form-submit {
  width: 100%;
  padding: 15px;
  font-size: 1.2rem;
  cursor: pointer;
  border: none;
  border-radius: 5px;
  font-weight: 700;
}

.page-contact__office-section {
  background-color: #000000; /* Dark background */
  color: #ffffff;
  padding: 60px 20px;
}

.page-contact__office-details {
  text-align: center;
  margin-bottom: 40px;
  font-size: 1.1rem;
  color: #f0f0f0;
}

.page-contact__office-details p {
  margin-bottom: 10px;
}

.page-contact__map-container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-contact__office-map {
  width: 100%;
  height: auto;
  display: block;
  min-height: 400px; /* Ensure map image is not too small */
  object-fit: cover;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-contact__hero-content {
    margin-top: -60px;
  }
}

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

  .page-contact__hero-section {
    padding-bottom: 40px;
  }

  .page-contact__hero-image-wrapper {
    max-height: 300px;
  }

  .page-contact__hero-content {
    margin-top: -40px; /* Adjust overlap for mobile */
    padding: 30px 15px;
  }

  .page-contact__main-title {
    font-size: clamp(2rem, 6vw, 2.5rem);
  }

  .page-contact__description {
    font-size: 1rem;
  }

  .page-contact__btn-primary,
  .page-contact__btn-secondary,
  .page-contact a[class*="button"],
  .page-contact 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;
    margin-bottom: 10px; /* Add margin for stacked buttons */
  }

  .page-contact__cta-buttons,
  .page-contact__button-group,
  .page-contact__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    display: flex;
    flex-direction: column; /* Stack buttons vertically */
  }

  .page-contact__container {
    padding: 30px 15px;
  }

  .page-contact__section-title {
    font-size: clamp(1.8rem, 5vw, 2.2rem);
  }

  .page-contact__section-description {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }

  .page-contact__channels-grid,
  .page-contact__issues-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-contact__channel-card,
  .page-contact__issue-card {
    padding: 20px;
    min-height: auto;
  }

  .page-contact__channel-icon {
    height: 150px;
  }

  .page-contact__card-title {
    font-size: 1.3rem;
  }

  .page-contact__card-text {
    font-size: 0.95rem;
  }

  .page-contact__faq-question {
    font-size: 1rem;
    padding: 15px;
  }

  .page-contact__faq-answer {
    padding: 15px;
    font-size: 0.95rem;
  }

  .page-contact__commitment-list {
    grid-template-columns: 1fr;
  }

  .page-contact__commitment-list li {
    font-size: 1rem;
  }

  .page-contact__contact-form {
    padding: 30px 20px;
  }

  .page-contact__form-label {
    font-size: 1rem;
  }

  .page-contact__form-input,
  .page-contact__form-textarea {
    padding: 10px 12px;
    font-size: 0.95rem;
  }

  .page-contact__form-submit {
    font-size: 1.1rem;
  }

  .page-contact__office-details {
    font-size: 1rem;
  }

  .page-contact__office-map {
    min-height: 300px;
  }

  /* Image responsive rules */
  .page-contact img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-contact__hero-image-wrapper,
  .page-contact__channels-grid,
  .page-contact__issues-grid,
  .page-contact__faq-list,
  .page-contact__commitment-list,
  .page-contact__contact-form,
  .page-contact__map-container,
  .page-contact__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-contact__video-section {
    padding-top: 10px !important; /* body đã xử lý --header-offset */
  }
}

@media (max-width: 480px) {
  .page-contact__hero-content {
    margin-top: -20px;
  }

  .page-contact__main-title {
    font-size: clamp(1.8rem, 7vw, 2.2rem);
  }

  .page-contact__btn-primary {
    padding: 12px 20px;
    font-size: 1rem;
  }

  .page-contact__section-title {
    font-size: clamp(1.6rem, 6vw, 2rem);
  }
}