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

.page-contact {
  background-color: #08160F; /* Nền tối theo yêu cầu */
  color: #F2FFF6; /* Màu chữ chính sáng theo yêu cầu */
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

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

.page-contact__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Chỉ một khoảng đệm nhỏ ở trên */
  overflow: hidden;
  background-color: #0A4B2C;
}

.page-contact__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.page-contact__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-contact__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  color: #F2FFF6;
}

.page-contact__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em); /* Sử dụng clamp cho H1 */
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #F2C14E; /* Màu vàng gold cho tiêu đề chính */
}

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

.page-contact__section-title {
  font-size: 2.5em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: #F2C14E; /* Màu vàng gold cho tiêu đề phụ */
}

.page-contact__section-description {
  font-size: 1.1em;
  text-align: center;
  margin-bottom: 40px;
  color: #A7D9B8;
}

.page-contact__channels-section, 
.page-contact__form-section, 
.page-contact__faq-section, 
.page-contact__final-cta-section {
  padding: 60px 0;
  border-bottom: 1px solid #1E3A2A; /* Divider */
}

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

.page-contact__channel-card {
  background-color: #11271B; /* Card BG */
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  color: #F2FFF6;
  border: 1px solid #2E7A4E;
}

.page-contact__channel-icon {
  width: 200px; /* Đảm bảo kích thước tối thiểu */
  height: 150px; /* Đảm bảo kích thước tối thiểu */
  object-fit: contain;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-contact__channel-title {
  font-size: 1.8em;
  font-weight: 600;
  margin-bottom: 15px;
  color: #F2C14E;
}

.page-contact__channel-text {
  font-size: 1em;
  margin-bottom: 20px;
  color: #A7D9B8;
}

.page-contact__contact-form {
  background-color: #11271B;
  padding: 40px;
  border-radius: 10px;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid #2E7A4E;
}

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

.page-contact__form-label {
  display: block;
  font-size: 1.1em;
  margin-bottom: 8px;
  color: #F2FFF6;
}

.page-contact__form-input,
.page-contact__form-textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #2E7A4E;
  border-radius: 5px;
  background-color: #08160F;
  color: #F2FFF6;
  font-size: 1em;
  box-sizing: border-box;
}

.page-contact__form-input::placeholder,
.page-contact__form-textarea::placeholder {
  color: #A7D9B8;
  opacity: 0.7;
}

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
  outline: none;
  border-color: #57E38D;
  box-shadow: 0 0 0 3px rgba(87, 227, 141, 0.3);
}

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

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

.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15em;
  font-weight: 600;
  cursor: pointer;
  background-color: #0A4B2C;
  color: #F2FFF6;
  border-bottom: 1px solid #1E3A2A;
}

.page-contact__faq-question:hover {
  background-color: #0A4B2C;
  color: #F2C14E;
}

.page-contact__faq-qtext {
  flex-grow: 1;
  color: inherit;
}

.page-contact__faq-toggle {
  font-size: 1.5em;
  margin-left: 15px;
  line-height: 1;
  color: #57E38D;
}

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

.page-contact__faq-answer {
  padding: 20px 25px;
  font-size: 1em;
  color: #A7D9B8;
  line-height: 1.6;
}

.page-contact__faq-answer p {
  margin-bottom: 0;
}

.page-contact__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  text-align: center;
  cursor: pointer;
  box-sizing: border-box;
}

.page-contact__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #F2FFF6; /* Text Main */
  border: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.page-contact__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}

.page-contact__btn-secondary {
  background-color: transparent;
  color: #57E38D; /* Glow */
  border: 2px solid #57E38D;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.page-contact__btn-secondary:hover {
  background-color: rgba(87, 227, 141, 0.1);
  color: #F2C14E; /* Gold */
  border-color: #F2C14E;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}

.page-contact__cta-buttons-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-contact__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }
  .page-contact__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-contact__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body đã có padding-top, đây chỉ là phần đệm nhỏ */
  }
  .page-contact__container {
    padding: 0 15px;
  }
  .page-contact__channels-section, 
  .page-contact__form-section, 
  .page-contact__faq-section, 
  .page-contact__final-cta-section {
    padding: 40px 0;
  }
  .page-contact__channel-card {
    padding: 20px;
  }
  .page-contact__contact-form {
    padding: 30px;
  }
  .page-contact__cta-buttons-group {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }

  /* Responsive Images */
  .page-contact img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-contact__hero-image {
    width: 100% !important;
    height: 100% !important;
  }
  .page-contact__channel-icon {
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }
  
  /* Responsive Containers */
  .page-contact__section, 
  .page-contact__card, 
  .page-contact__container, 
  .page-contact__hero-section,
  .page-contact__form-section,
  .page-contact__faq-section,
  .page-contact__final-cta-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Ngăn tràn nội dung */
  }

  /* 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-group {
    display: flex;
    flex-direction: column;
  }

  /* FAQ specific for mobile */
  .page-contact__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }
  .page-contact__faq-answer {
    padding: 15px 20px;
    font-size: 0.95em;
  }
}

/* CSS cho details/summary để ẩn marker gốc */
.page-contact__faq-item summary {
  list-style: none;
}

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