.page-contact {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-color);
}

.page-contact__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* body đã xử lý padding-top cho header */
  text-align: center;
  overflow: hidden;
}

.page-contact__hero-image-wrapper {
  width: 100%;
  max-height: 500px; /* Giới hạn chiều cao hình ảnh hero */
  overflow: hidden;
  margin-bottom: 30px;
}

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

.page-contact__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  background-color: rgba(17, 39, 27, 0.85); /* Card BG với độ trong suốt */
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  margin-top: -100px; /* Kéo lên trên hình ảnh một chút */
}

.page-contact__main-title {
  font-size: clamp(2em, 5vw, 3.2em);
  color: var(--text-main);
  margin-bottom: 15px;
  font-weight: bold;
  line-height: 1.2;
}

.page-contact__hero-description {
  font-size: 1.1em;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.page-contact__hero-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-contact__section {
  padding: 80px 20px;
  text-align: center;
}

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

.page-contact__section-title {
  font-size: clamp(1.8em, 4vw, 2.8em);
  color: var(--text-main);
  margin-bottom: 20px;
  font-weight: bold;
}

.page-contact__section-description {
  font-size: 1.1em;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-contact__channel-card,
.page-contact__step-card,
.page-contact__commitment-item,
.page-contact__faq-item {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.page-contact__channel-icon {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: contain;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-contact__channel-title,
.page-contact__step-title,
.page-contact__commitment-title {
  font-size: 1.6em;
  color: var(--text-main);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-contact__channel-text,
.page-contact__step-text,
.page-contact__commitment-text {
  font-size: 1em;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-contact__btn-primary,
.page-contact__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  white-space: normal; /* Cho phép xuống dòng */
  word-wrap: break-word; /* Ngắt từ khi quá dài */
  box-sizing: border-box;
}

.page-contact__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: none;
}

.page-contact__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-contact__btn-secondary {
  background: none;
  color: var(--text-main);
  border: 2px solid var(--deep-green);
}

.page-contact__btn-secondary:hover {
  background: var(--deep-green);
  color: #ffffff;
  transform: translateY(-2px);
}

.page-contact__dark-bg {
  background-color: var(--bg-color);
  color: var(--text-main);
}

.page-contact__light-bg {
  background-color: #0A4B2C; /* Deep Green for contrast */
  color: var(--text-main);
}

.page-contact__contrast-fix {
  background-color: #0A4B2C;
  color: #F2FFF6;
}

.page-contact__faq-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}

.page-contact__faq-item {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 20px 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
}

.page-contact__faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--text-main);
  padding: 10px 0;
}

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

.page-contact__faq-qtext {
  flex-grow: 1;
  text-align: left;
}

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

.page-contact__faq-item[open] .page-contact__faq-toggle {
  content: '−';
}

.page-contact__faq-answer {
  padding-top: 10px;
  font-size: 1em;
  color: var(--text-secondary);
  text-align: left;
}

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

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

.page-contact__cta-image {
  width: 100%;
  max-width: 600px;
  height: auto;
  margin-bottom: 30px;
  border-radius: 10px;
  object-fit: cover;
}

.page-contact__cta-title {
  font-size: clamp(2em, 5vw, 3em);
  color: var(--text-main);
  margin-bottom: 20px;
  font-weight: bold;
}

.page-contact__cta-description {
  font-size: 1.1em;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-contact__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Media queries for responsiveness */
@media (max-width: 1024px) {
  .page-contact__hero-content {
    margin-top: -50px;
  }
}

@media (max-width: 768px) {
  .page-contact__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }

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

  .page-contact__hero-content {
    margin-top: -70px;
    padding: 15px;
  }

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

  .page-contact__hero-cta {
    flex-direction: column;
    gap: 15px;
  }

  .page-contact__btn-primary,
  .page-contact__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px;
  }

  .page-contact__section {
    padding: 60px 15px;
  }

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

  .page-contact__channels-grid,
  .page-contact__process-steps,
  .page-contact__commitment-points {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-contact__channel-card,
  .page-contact__step-card,
  .page-contact__commitment-item,
  .page-contact__faq-item {
    padding: 20px;
  }

  .page-contact__channel-title,
  .page-contact__step-title,
  .page-contact__commitment-title {
    font-size: 1.4em;
  }

  .page-contact__faq-item summary {
    font-size: 1.1em;
  }

  .page-contact__cta-section {
    padding: 60px 15px;
  }

  .page-contact__cta-title {
    font-size: 1.8em;
  }

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

  .page-contact__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  /* Responsive images */
  .page-contact img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-contact__section,
  .page-contact__card,
  .page-contact__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-contact__video-section {
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }

  /* Responsive buttons */
  .page-contact__cta-button,
  .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;
  }
  
  .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;
  }
  
  .page-contact__cta-buttons {
    display: flex;
    flex-direction: column; 
  }
}

@media (max-width: 480px) {
  .page-contact__hero-content {
    margin-top: -50px;
  }
  .page-contact__hero-section {
    padding-left: 10px;
    padding-right: 10px;
  }
  .page-contact__section {
    padding-left: 10px;
    padding-right: 10px;
  }
  .page-contact__cta-section {
    padding-left: 10px;
    padding-right: 10px;
  }
  .page-contact__channel-card, .page-contact__step-card, .page-contact__commitment-item, .page-contact__faq-item {
    padding: 15px;
  }
  .page-contact__faq-item summary {
    font-size: 1em;
  }
}