:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --register-color: #C30808;
  --login-color: #C30808;
  --register-login-font-color: #FFFF00;
  --text-color: #333333;
  --light-bg-color: #f5f5f5;
  --dark-text-on-light: #333333;
  --light-text-on-dark: #ffffff;
}

.page-contact {
  font-family: Arial, sans-serif;
  color: var(--dark-text-on-light); /* Default text color for light body background */
  background-color: var(--secondary-color); /* Body background is secondary-color (white) */
  line-height: 1.6;
}

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

.page-contact__section {
  padding: 60px 0;
}

.page-contact__section-title {
  font-size: 36px;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-contact__section-description {
  font-size: 18px;
  color: var(--text-color);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

/* HERO Section */
.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: var(--header-offset, 120px); /* Ensure spacing from fixed header */
  background-color: var(--light-bg-color); /* A slightly off-white for hero bg */
  overflow: hidden;
}

.page-contact__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

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

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

.page-contact__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}

.page-contact__hero-title {
  font-size: 48px;
  color: var(--primary-color);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-contact__hero-description {
  font-size: 20px;
  color: var(--text-color);
  max-width: 900px;
  margin: 0 auto 30px auto;
}

.page-contact__hero-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap; /* For mobile responsiveness */
}

.page-contact__cta-button {
  display: inline-block;
  padding: 15px 40px;
  text-decoration: none;
  border-radius: 5px;
  font-size: 18px;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-contact__btn-primary {
  background: var(--primary-color);
  color: var(--light-text-on-dark);
  border: 2px solid var(--primary-color);
}

.page-contact__btn-primary:hover {
  background: #005f2c; /* A darker shade of #017439 */
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-contact__btn-secondary {
  background: var(--secondary-color);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-contact__btn-secondary:hover {
  background: var(--primary-color);
  color: var(--light-text-on-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Contact Methods Section */
.page-contact__contact-methods {
  background-color: var(--secondary-color);
}

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

.page-contact__method-item {
  text-align: center;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  background-color: var(--secondary-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-contact__method-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.page-contact__method-item img {
  width: 100%;
  max-width: 250px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-contact__method-title {
  font-size: 24px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-contact__method-item p {
  font-size: 16px;
  color: var(--text-color);
  margin-bottom: 20px;
}

.page-contact__email-address,
.page-contact__phone-number {
  font-weight: bold;
  color: var(--primary-color);
  font-size: 17px;
}

.page-contact__btn-link {
  display: inline-block;
  padding: 10px 25px;
  background: var(--primary-color);
  color: var(--light-text-on-dark);
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.page-contact__btn-link:hover {
  background: #005f2c; /* A darker shade of #017439 */
}

/* Contact Form Section */
.page-contact__contact-form {
  background-color: var(--primary-color); /* Dark section with primary color */
  color: var(--light-text-on-dark);
}

.page-contact__contact-form .page-contact__section-title,
.page-contact__contact-form .page-contact__section-description {
  color: var(--light-text-on-dark);
}

.page-contact__form {
  max-width: 700px;
  margin: 40px auto 0 auto;
  padding: 30px;
  background-color: rgba(255, 255, 255, 0.1); /* Slightly transparent white on dark background */
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

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

.page-contact__form-label {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: bold;
  color: var(--light-text-on-dark);
}

.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, 0.05);
  color: var(--light-text-on-dark);
  font-size: 16px;
  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: var(--register-login-font-color); /* Yellow highlight on focus */
  box-shadow: 0 0 0 3px rgba(255, 255, 0, 0.3);
}

.page-contact__form-textarea {
  resize: vertical;
}

.page-contact__btn-submit {
  width: 100%;
  padding: 15px 20px;
  background-color: var(--register-color); /* Red for submit button */
  color: var(--register-login-font-color); /* Yellow text for register/login button */
  border: none;
  border-radius: 5px;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.page-contact__btn-submit:hover {
  background-color: #a40707; /* A darker red */
  transform: translateY(-2px);
}

/* FAQ Section */
.page-contact__faq-section {
  background-color: var(--light-bg-color);
}

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

/* FAQ容器样式 */
.page-contact__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* FAQ默认状态 - 答案隐藏 */
.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;
}

/* FAQ展开状态 - 🚨 Sử dụng!important và đủ lớn max-height để đảm bảo có thể mở rộng */
.page-contact__faq-item.active .page-contact__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng!important để đảm bảo ưu tiên, giá trị đủ lớn để chứa bất kỳ nội dung nào */
  padding: 20px 15px !important;
  opacity: 1;
  background: var(--secondary-color);
  border-radius: 0 0 5px 5px;
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.03);
}

/* Vấn đề kiểu dáng */
.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: var(--secondary-color);
  border: 1px solid #e0e0e0;
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-contact__faq-question:hover {
  background: var(--light-bg-color);
  border-color: #d0d0d0;
}

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

/* Vấn đề tiêu đề kiểu dáng */
.page-contact__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* Ngăn thẻ h3 chặn sự kiện nhấp */
  color: var(--primary-color);
}

/* Chuyển đổi biểu tượng */
.page-contact__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: var(--primary-color);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* Ngăn biểu tượng chặn sự kiện nhấp */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-contact__faq-item.active .page-contact__faq-toggle {
  color: var(--text-color);
  transform: rotate(45deg); /* Thay đổi thành X hoặc xoay */
}

/* Commitment Section */
.page-contact__commitment-section {
  background-color: var(--secondary-color);
}

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

.page-contact__commitment-item {
  text-align: center;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  background-color: var(--light-bg-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-contact__commitment-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.page-contact__commitment-title {
  font-size: 22px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-contact__commitment-item p {
  font-size: 16px;
  color: var(--text-color);
}

.page-contact__cta-bottom {
  text-align: center;
  margin-top: 50px;
}


/* General card styling (used by method and commitment items) */
.page-contact__card {
  background: var(--secondary-color);
  color: var(--dark-text-on-light);
  border: 1px solid #e0e0e0;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-contact__section-title {
    font-size: 32px;
  }
  .page-contact__hero-title {
    font-size: 42px;
  }
  .page-contact__hero-description {
    font-size: 18px;
  }
}

@media (max-width: 768px) {
  .page-contact__section {
    padding: 40px 0;
  }

  .page-contact__section-title {
    font-size: 28px;
    margin-bottom: 15px;
  }

  .page-contact__section-description {
    font-size: 16px;
    margin-bottom: 30px;
  }

  /* HERO Section Mobile */
  .page-contact__hero-section {
    padding-top: var(--header-offset, 120px) !important;
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-contact__hero-title {
    font-size: 32px;
  }
  .page-contact__hero-description {
    font-size: 16px;
  }
  .page-contact__hero-cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .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__hero-cta-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }


  /* Images Mobile */
  .page-contact img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-contact__section,
  .page-contact__card,
  .page-contact__container,
  .page-contact__form {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-contact__method-item img {
    max-width: 100%;
  }
  
  .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;
  }
}