/* style/contact.css */
/* body đã padding-top: var(--header-offset)；trang này không được viết lại biến đó */

/* Màu sắc và font cơ bản */
.page-contact {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #ffffff; /* Body background is #000000 (dark), so text should be light */
  background-color: #000000; /* Ensuring the main content area has the correct background */
}

/* Các tiêu đề */
.page-contact h1,
.page-contact h2,
.page-contact h3 {
  color: #ffffff; /* Tiêu đề màu trắng trên nền tối */
  font-weight: bold;
  margin-bottom: 20px;
}

.page-contact__main-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.page-contact__section-title {
  font-size: 2.5em;
  text-align: center;
  margin-bottom: 30px;
  color: #ffffff; /* Default for dark sections */
}

.page-contact__light-bg .page-contact__section-title {
  color: #000000; /* Tiêu đề màu đen trên nền sáng */
}

.page-contact__card-title {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: #26A9E0; /* Màu thương hiệu cho tiêu đề thẻ */
}

/* Các đoạn văn bản */
.page-contact__description,
.page-contact__text-block {
  font-size: 1.1em;
  margin-bottom: 20px;
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-contact__light-bg .page-contact__description,
.page-contact__light-bg .page-contact__text-block,
.page-contact__light-bg p {
  color: #333333; /* Văn bản màu đen trên nền sáng */
}

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

/* Các section */
.page-contact__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  background-color: #000000; /* Dark background */
}

.page-contact__hero-image-wrapper {
  width: 100%;
  max-width: 1200px;
  margin-bottom: 30px;
}

.page-contact__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}

.page-contact__hero-content {
  text-align: center;
  max-width: 900px;
  width: 100%; /* Ensure width:100% is here */
}

.page-contact__info-section,
.page-contact__faq-section {
  padding: 80px 0;
  background-color: #f8f8f8; /* Light background for contrast */
  color: #333333;
}

.page-contact__form-section,
.page-contact__cta-section {
  padding: 80px 0;
  background-color: #0d0d0d; /* Slightly lighter dark background for variety */
  color: #ffffff;
}

/* Thẻ phương thức liên hệ */
.page-contact__contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-contact__method-card {
  background: #ffffff; /* White card on light background */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  color: #333333; /* Dark text for light card */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-contact__contact-detail {
  font-weight: bold;
  margin-bottom: 20px;
  font-size: 1.1em;
  color: #26A9E0;
}

/* Biểu mẫu liên hệ */
.page-contact__contact-form {
  max-width: 700px;
  margin: 40px auto;
  padding: 40px;
  background: rgba(255, 255, 255, 0.08); /* Semi-transparent white on dark background */
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-contact__form-group {
  width: 100%;
  margin-bottom: 20px;
}

.page-contact__form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: #ffffff;
  text-align: left;
}

.page-contact__form-input,
.page-contact__form-textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 1em;
  box-sizing: border-box;
}

.page-contact__form-input::placeholder,
.page-contact__form-textarea::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
  outline: none;
  border-color: #26A9E0;
  box-shadow: 0 0 0 3px rgba(38, 169, 224, 0.3);
}

.page-contact__form-submit-btn {
  background: #26A9E0;
  color: #ffffff;
  padding: 14px 30px;
  border: none;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
  width: auto; /* Allow button to size naturally */
  max-width: 100%; /* Responsive button */
  box-sizing: border-box;
  white-space: normal; /* Allow text wrap */
  word-wrap: break-word;
}

.page-contact__form-submit-btn:hover {
  background: #1e87c2;
  transform: translateY(-2px);
}

.page-contact__form-image {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 40px;
  border-radius: 8px;
  object-fit: cover;
  max-width: 800px;
}

/* Nút */
.page-contact__btn-primary,
.page-contact__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  font-size: 1em;
  font-weight: bold;
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
  cursor: pointer;
  margin: 10px;
  text-align: center;
  max-width: 100%; /* Responsive button */
  box-sizing: border-box;
  white-space: normal; /* Allow text wrap */
  word-wrap: break-word;
}

.page-contact__btn-primary {
  background: #26A9E0;
  color: #ffffff;
  border: 2px solid #26A9E0;
}

.page-contact__btn-primary:hover {
  background: #1e87c2;
  border-color: #1e87c2;
  transform: translateY(-2px);
}

.page-contact__btn-secondary {
  background: transparent;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-contact__btn-secondary:hover {
  background: #26A9E0;
  color: #ffffff;
  transform: translateY(-2px);
}

.page-contact__cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
  margin-top: 40px;
}

/* FAQ */
.page-contact__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-contact__faq-item {
  background: #ffffff; /* White background for FAQ item on light section */
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  color: #333333; /* Dark text for light card */
}

.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-weight: bold;
  font-size: 1.1em;
  cursor: pointer;
  color: #333333;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.page-contact__faq-item summary {
  list-style: none; /* Remove default marker */
}

.page-contact__faq-item summary::-webkit-details-marker {
  display: none; /* Hide default marker for webkit browsers */
}

.page-contact__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: #26A9E0;
}

.page-contact__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  line-height: 1.6;
  color: #555555;
}

.page-contact__faq-answer p {
  margin-bottom: 0; /* Remove default margin for paragraphs in answer */
  text-align: left;
  color: #555555;
}

.page-contact__faq-answer a {
  color: #26A9E0;
  text-decoration: underline;
}

.page-contact__faq-image {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 40px;
  border-radius: 8px;
  object-fit: cover;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Ảnh */
.page-contact img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

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

  .page-contact__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }

  .page-contact__info-section,
  .page-contact__form-section,
  .page-contact__faq-section,
  .page-contact__cta-section {
    padding: 50px 0;
  }

  .page-contact__container {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-contact__contact-methods {
    grid-template-columns: 1fr;
  }

  .page-contact__contact-form {
    padding: 25px;
  }

  .page-contact__form-submit-btn,
  .page-contact__btn-primary,
  .page-contact__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 15px;
    padding-right: 15px;
    margin-left: 0;
    margin-right: 0;
  }

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

  /* 强制图片适配 */
  .page-contact img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-contact__section,
  .page-contact__card,
  .page-contact__container,
  .page-contact__hero-section,
  .page-contact__info-section,
  .page-contact__form-section,
  .page-contact__faq-section,
  .page-contact__cta-section,
  .page-contact__contact-form,
  .page-contact__contact-methods,
  .page-contact__method-card,
  .page-contact__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Ensure no overflow */
  }
  
  .page-contact__faq-item {
    padding-left: 0;
    padding-right: 0;
  }

  .page-contact__faq-answer {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-contact__faq-question {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-contact__hero-content {
    padding-left: 15px;
    padding-right: 15px;
  }
}

/* Ensure no image filters */
.page-contact img {
  filter: none;
}